10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 001-37875

FB FINANCIAL CORPORATION

(Exact name of Registrant as specified in its Charter)

Tennessee	62-1216058
( State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
211 Commerce Street, Suite 300 Nashville, Tennessee 37201	37201
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (615) 564-1212

Securities registered pursuant to Section 12(b) of the Act: Common Stock, Par Value $1.00Per Share; Common stock traded on the New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YES ☐ NO ☒

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. YES ☐ NO ☒

Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. YES ☒ NO ☐

Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files). YES ☒ NO ☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of Registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐  (Do not check if a small reporting company)	Small reporting company	☐
Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). YES ☐ NO ☒

As of June 30, 2017, the last business day of the Registrant’s most recently completed second fiscal quarter, the aggregate market value of the Registrant’s common stock held by non-affiliates of the registrant was $417.6 million, based on the closing sales price of $36.19 per share as reported on the New York Stock Exchange.

The number of shares of Registrant’s Common Stock outstanding as of March 12, 2018 was 30,650,758.

Portions of the Registrant’s Definitive Proxy Statement relating to the Annual Meeting of Shareholders, scheduled to be held on May 17, 2018, are incorporated by reference into Part III of this Report.

Table of Contents

		Page
PART I.
Item 1.	Business	4
Item 1A.	Risk Factors	31
Item 1B.	Unresolved Staff Comments	32
Item 2.	Properties	46
Item 3.	Legal Proceedings	46
Item 4.	Mine Safety Disclosures	46
PART II.
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	47
Item 6.	Selected Financial Data	51
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	54
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	93
Item 8.	Financial Statements and Supplementary Data	96
Item 9.	Changes In and Disagreements with Accountants on Accounting and Financial Disclosure	160
Item 9A.	Controls and Procedures	160
Item 9B.	Other Information	160
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	162
Item 11.	Executive Compensation	162
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	162
Item 13.	Certain Relationships and Related Transactions, and Directors Independence	162
Item 14.	Principal Accounting Fees and Services	162
PART IV
Item 15.	Exhibits and Financial Statement Schedules	163
Item 16.	Form 10-K Summary	165
SIGNATURES		166

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In this Annual Report on Form 10-K (this “Annual Report”), references to “we,” “our,” “us,” “FB Financial” or “the Company” refer to FB Financial Corporation, a Tennessee corporation, and our wholly-owned banking subsidiary, FirstBank, a Tennessee state chartered bank, unless otherwise indicated or the context otherwise requires. References to “Bank” or “FirstBank” refer to FirstBank, our wholly-owned banking subsidiary.

Cautionary note regarding forward-looking statements

Certain statements contained in this Annual Report are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). These forward-looking statements include, without limitation, statements relating to our business, cash flows, condition (financial or otherwise), credit quality, financial performance, liquidity, long-term performance goals, prospects, results of operations, strategic initiatives and the timing, benefits, costs and synergies of future acquisition, disposition and other growth opportunities. These statements, which are based on certain assumptions and estimates and describe our future plans, results, strategies and expectations, can generally be identified by the use of the words and phrases “may,” “will,” “should,” “could,” “would,” “goal,” “plan,” “potential,” “estimate,” “project,” “believe,” “intend,” “anticipate,” “expect,” “target,” “aim,” “predict,” “continue,” “seek,” “projection” and other variations of such words and phrases and similar expressions.

These forward-looking statements are not historical facts, and are based upon current expectations, estimates and projections about our industry, management’s beliefs and certain assumptions made by management, many of which, by their nature, are inherently uncertain and beyond our control. The inclusion of these forward-looking statements should not be regarded as a representation by us or any other person that such expectations, estimates and projections will be achieved. Accordingly, we caution you that any such forward-looking statements are not guarantees of future performance and are subject to risks, assumptions and uncertainties that are difficult to predict and that are beyond our control. Although we believe that the expectations reflected in these forward-looking statements are reasonable as of the date of this Annual Report, actual results may prove to be materially different from the results expressed or implied by the forward-looking statements. There are or will be important factors that could cause our actual results to differ materially from those indicated in these forward-looking statements, including, but not limited to, the following:

• business and economic conditions nationally, regionally and in our target markets, particularly in Tennessee and the geographic areas in which we operate;

• the concentration of our loan portfolio in real estate loans and changes in the prices, values and sales volumes of commercial and residential real estate;

• the concentration of our business within our geographic areas of operation in Tennessee and neighboring markets;

• credit and lending risks associated with our commercial real estate, commercial and industrial, and construction portfolios;

• increased competition in the banking and mortgage banking industry, nationally, regionally and locally;

• our ability to execute our business strategy to achieve profitable growth;

• the dependence of our operating model on our ability to attract and retain experienced and talented bankers in each of our markets;

• risks that our cost of funding could increase, in the event we are unable to continue to attract stable, low-cost deposits and reduce our cost of deposits;

• our ability to increase our operating efficiency;

• failure to keep pace with technological change or difficulties when implementing new technologies;

• risks related to the recent conversion of our core operating platform;

• risks related to our acquisition, disposition, growth and other strategic opportunities and initiatives;

• negative impact on our mortgage banking services, including declines in our mortgage originations or profitability due to rising interest rates and increased competition and regulation, the Bank’s or third party’s failure to satisfy mortgage servicing obligations, and the possibility of the Bank being required to repurchase mortgage loans or indemnify buyers;

• our ability to attract and maintain business banking relationships with well-qualified businesses, real estate developers and investors with proven track records in our market areas;

• our ability to attract sufficient loans that meet prudent credit standards, including in our commercial and industrial and owner-occupied commercial real estate loan categories;

• failure to maintain adequate liquidity and regulatory capital and comply with evolving federal and state banking regulations;

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• inability of our risk management framework to effectively mitigate credit risk, interest rate risk, liquidity risk, price risk, compliance risk, operational risk, strategic risk and reputational risk;

• failure to develop new, and grow our existing, streams of noninterest income;

• our ability to oversee the performance of third party service providers that provide material services to our business;

• our ability to maintain expenses in line with our current projections;

• our dependence on our management team and our ability to motivate and retain our management team;

• risks related to any future acquisitions, including failure to realize anticipated benefits from future acquisitions;

• inability to find acquisition candidates that will be accretive to our financial condition and results of operations;

• system failures, data security breaches (including as a result of cyber-attacks), or failures to prevent breaches of our network security;

• data processing system failures and errors;

• fraudulent and negligent acts by individuals and entities that are beyond our control;

• fluctuations in our market value and its impact in the securities held in our securities portfolio;

• the adequacy of our reserves (including allowance for loan losses) and the appropriateness of our methodology for calculating such reserves;

• the makeup of our asset mix and investments;

• our focus on small and mid-sized businesses;

• an inability to raise necessary capital to fund our growth strategy or operations, or to meet increased minimum regulatory capital levels;

• the sufficiency of our capital, including sources of such capital and the extent to which capital may be used or required;

• interest rate shifts and its impact on our financial condition and results of operation;

• the expenses that we will incur to operate as a public company and our inexperience complying with the requirements of being a public company;

• the institution and outcome of litigation and other legal proceeding against us or to which we become subject;

• changes in accounting standards;

• the impact of recent and future legislative and regulatory changes, including, without limitation, the Tax Cuts and Jobs Act of 2017;

• governmental monetary and fiscal policies;

• changes in the scope and cost of Federal Deposit Insurance Corporation, or FDIC, insurance and other coverage; and

• future equity issuances under our 2016 Incentive Plan and our Employee Stock Purchase Plan and future sales of our common stock by us, our controlling shareholder or our executive officers or directors.

The foregoing factors should not be construed as exhaustive and should be read in conjunction with the sections entitled “Risk factors” and “Management’s discussion and analysis of financial condition and results of operations” included in this Annual Report.  If one or more events related to these or other risks or uncertainties materialize, or if our underlying assumptions prove to be incorrect, actual results may differ materially from our forward-looking statements. Accordingly, you should not place undue reliance on any such forward-looking statements. Any forward-looking statement speaks only as of the date of this Annual Report, and we do not undertake any obligation to publicly update or review any forward-looking statement, whether as a result of new information, future developments or otherwise, except as required by law.  New risks and uncertainties may emerge from time to time, and it is not possible for us to predict their occurrence or how they will affect us.

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PART I

ITEM - 1. Business

Overview

FB Financial Corporation is a bank holding company, headquartered in Nashville, Tennessee. Our wholly-owned bank subsidiary, FirstBank, is the third largest Tennessee-headquartered bank, based on total assets. FirstBank provides a comprehensive suite of commercial and consumer banking services to clients in select markets primarily in Tennessee, North Alabama and North Georgia. Our footprint includes 56 full-service bank branches and 9 other banking locations serving the metropolitan markets of Nashville, Chattanooga, Knoxville, Memphis, Jackson and Huntsville (AL) in addition to 12 community markets. FirstBank also provides mortgage banking services utilizing its bank branch network and mortgage banking offices strategically located throughout the southeastern United States in addition to its national internet delivery channel. As of December 31, 2017, we had total assets of $4.73 billion, loans held for investment of $3.17 billion, total deposits of $3.66 billion, and total shareholders’ equity of $596.7 million.

Throughout our history, we have steadfastly maintained a community banking approach of personalized relationship-based service. As we have grown, maintaining this relationship-based approach utilizing local, talented and experienced bankers in each market has been an integral component of our success. Our bankers utilize their local knowledge and relationships to deliver timely solutions to our clients. We empower these bankers by giving them local decision making authority supplemented by appropriate risk oversight. In our experience, business owners and operators prefer to deal with decision makers, and our banking model is built to place the decision maker as close to the client as possible. We have designed our operations, technology, and centralized risk oversight processes to specifically support our operating model. We deploy this operating model universally in each of our markets, regardless of size. We believe we have a competitive advantage in our markets versus both smaller community banks and larger regional and national banks. Our robust offering of products, services and capabilities differentiate us from community banks and our significant local market knowledge, client service level and the speed with which we are able to make decisions and deliver our services to customers differentiate us from larger regional and national banks.

We seek to leverage our operating model by focusing on profitable growth opportunities across our footprint, focused primarily on both high-growth metropolitan markets and stable and growing community markets. As a result, we are able to strategically deploy our capital across our markets to take advantage of those opportunities that we believe provide the greatest certainty of profitable growth and the highest returns.

Our operating model is executed by a talented management team lead by our Chief Executive Officer, Christopher T. Holmes. Mr. Holmes, a 26-year banking veteran originally from Lexington, Tennessee, joined the Bank in 2010 as Chief Banking Officer and was elected Chief Executive Officer in 2013. Mr. Holmes has an extensive background in both metropolitan and community banking gained from his time at community banks and larger public financial institutions. Mr. Holmes has assembled a highly effective management team, blending members that have a long history with FirstBank and members that have significant banking experience at other in-market banks.

Our history

Originally chartered in 1906, we are one of the longest continually operating banks in Tennessee. While our deep community roots go back over 100 years, our growth trajectory changed in 1984 when Tennessee businessman James W. Ayers, our Executive Chairman and controlling shareholder, acquired Farmers State Bank with an associate. In 1988, we purchased the assets of First National Bank of Lexington, Tennessee and changed our name to FirstBank, forming the foundation of our current franchise. In 1990, Mr. Ayers became our sole shareholder and remained our sole shareholder until our initial public offering in September 2016. Under Mr. Ayers’ ownership, we grew from a community bank with only $14 million in assets in 1984 to the third largest bank headquartered in Tennessee, based on total assets.

From 1984 to 2001, we operated as a community bank growing organically and through small acquisitions in community markets in West Tennessee. In 2001, our strategy evolved from serving purely community markets to include a modest presence in metropolitan markets, expanding our reach and enhancing our growth. We entered Nashville and Memphis in 2001 by opening a branch in each of those markets. In 2004 and 2008, we opened our first branches in Knoxville and Chattanooga, respectively. Although we experienced some growth in each metropolitan market, it did not become a major strategic focus until we implemented our current metropolitan growth strategy in the Nashville metropolitan statistical area (“MSA”) in 2012. Additionally, we expanded into the Huntsville, Alabama MSA in 2014 by opening a branch in Huntsville and loan production office in Florence, Alabama. The successful implementation of this strategy has resulted in 155% deposit growth in the Nashville MSA from June 30, 2012 to June 30, 2017, making it our largest market with 29%of our loans held for investment and 23%of our total deposits, as of December 31, 2017. As a result of this evolution and recent acquisitions discussed above, we now operate a balanced business model that serves a diverse customer base in both metropolitan and community markets.

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Recent acquisitions

On September 18, 2015, we completed the acquisition of Northwest Georgia Bank (“NWGB”), a 110-year old institution with six branches, serving clients in the Chattanooga MSA. We acquired net assets with a fair value of $272 million which included a bargain purchase gain of $2.8 million, loans with a fair value of $79 million and deposits with a fair value of $246 million. This acquisition accelerated our already planned expansion in Chattanooga by significantly augmenting our client base, increasing our brand awareness and providing us with the scale to attract leading bankers to further enhance our market penetration and profitable growth.

On July 31, 2017, the Bank completed its merger with Clayton Bank and Trust (“CBT”) and American City Bank (“ACB” and together with CBT, the “Clayton Banks”), pursuant to the Stock Purchase Agreement with Clayton HC, Inc., a Tennessee corporation (“Seller”), and James L. Clayton, the majority shareholder of Seller, dated February 8, 2017, as amended on May 26, 2017, with a purchase price of approximately $236.5 million. The Company issued 1,521,200 shares of common stock and paid cash of $184.2 million to purchase all of the outstanding shares of the Clayton Banks. At closing, the Clayton Banks merged with and into FirstBank, with FirstBank continuing as the surviving banking entity. As of July 31, 2017, the estimated fair value of loans acquired and deposits assumed as a result of the merger was $1,059.7 million and $979.5 million, respectively.

See Note 2, “Mergers and acquisitions” in the Notes to the consolidated financial statements for additional details regarding these transactions.

Our markets

Our market footprint is the southeastern United States, centered around Tennessee, and includes portions of North Alabama and North Georgia.

Note: Financial data as of December 31, 2017.  Market data as of June 30, 2017. Size of bubble represents size of company deposits in a given market

Source: Company data and S&P Global Market Intelligence; Branch numbers adjusted for branch closures since June 30, 2017; ¹ Statistics based on county data.

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Our core client profile across our footprint includes small businesses, corporate clients, commercial real estate owners and consumers. We target business clients with substantial operating history that have annual revenues of up to $250 million. Our typical business client would keep business deposit accounts with us, and we would look to provide banking services to the owners and employees of the business as well. We also have an active consumer lending business that includes deposit products, mortgages, home equity lines and small consumer finance loans. We continuously strive to build deeper relationships by actively cross-selling incremental products to meet the banking needs of our clients.

The following tables show our deposit market share ranking among all banks and community banks (which we define as banks with less than $25 billion in assets) in Tennessee as of June 30, 2017 (the most recent date where such information is publicly available). Of the 10 largest banks in the state based on total deposits, 6 are national or regional banks, which we believe provides us with significant opportunities to gain market share from these banks.

Top 10 Banks in Tennessee:

Rank	Company name	Headquarters	Branches (#)		Total deposits ($bn)		Deposit market share (%)
1	First Horizon National Corp. (TN)	Memphis, TN		199		22.9		15.5
2	Regions Financial Corp. (AL)	Birmingham, AL		221		18.7		12.6
3	SunTrust Banks Inc. (GA)	Atlanta, GA		122		13.7		9.3
4	Bank of America Corp. (NC)	Charlotte, NC		58		11.5		7.8
5	Pinnacle Financial Partners (TN)	Nashville, TN		47		9.7		6.6
6	FB Financial Corp (TN)	Nashville, TN		56		3.6		2.4
7	U.S. Bancorp (MN)	Minneapolis, MN		103		3.2		2.2
8	Franklin Financial Network, Inc. (TN)	Franklin, TN		14		2.9		2.0
9	BB&T Corp. (NC)	Winston-Salem, NC		46		2.7		1.8
10	Wilson Bank Holding Co. (TN)	Lebanon, TN		27		2.0		1.4

Top 10 banks under $25bn assets in Tennessee:

Rank	Company name	Headquarters	Branches (#)		Total deposits ($bn)		Deposit market share (%)
1	Pinnacle Financial Partners (TN)	Nashville, TN		47		9.7		6.6
2	FB Financial Corp (TN)	Nashville, TN		56		3.6		2.4
3	Franklin Financial Network, Inc. (TN)	Franklin, TN		14		2.9		2.0
4	Wilson Bank Holding Co. (TN)	Lebanon, TN		27		2.0		1.4
5	Simmons First National Corp. (AR)	Pine Bluff, AR		45		2.0		1.4
6	Home Federal Bank of Tennessee (TN)	Knoxville, TN		23		1.7		1.2
7	Renasant Corp. (MS)	Tupelo, MS		19		1.5		1.0
8	First Citizens Bancshares Inc. (TN)	Dyersburg, TN		24		1.3		0.9
9	Reliant Bancorp, Inc. (TN)	Brentwood, TN		15		1.3		0.9
10	BancorpSouth, Inc. (MS)	Tupelo, MS		27		1.3		0.9

Source: SNL Financial and Company reports as of June 30, 2017; total assets as of December 31, 2017, adjusted for acquisitions as of March 7, 2018.

Our six metropolitan markets.

We currently operate in the six metropolitan markets listed below.

Nashville is the largest MSA in Tennessee, our largest market and one of the fastest growing cities in the U.S. Nashville has experienced 14.7% population growth from 2010 to 2018, and its population is expected to grow by an additional 6.9% by 2023 according to S&P Global Market Intelligence.

Memphis is the 2^nd largest MSA in Tennessee. It has a diversified business base and the busiest cargo airport in North America. Memphis is headquarters to three Fortune 500 companies, AutoZone, International Paper and FedEx, which together employs over 30,000 people in Memphis.

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Knoxville is the 3^rd largest MSA in Tennessee. It is home to the University of Tennessee system’s flagship campus, and employs over 30,000 healthcare professionals. Our recent acquisition of the Clayton Banks has helped strengthen our presence in the attractive Knoxville MSA.

Chattanooga is the 4^th largest MSA in Tennessee. It has a diverse economy with over 20,000 businesses that employ over 260,000 people and generate an estimated $45 billion in annual sales. Chattanooga has experienced population growth of 5.5% between 2010 and 2018 and is expected to experience 4% population growth by 2023 according to S&P Global Market Intelligence.

Jackson is the 6^th largest MSA in Tennessee and is the 2^nd largest city in West Tennessee following Memphis. Jackson has developed into a leading industrial and distribution center in the state of Tennessee, with particular strength in manufacturing.

Huntsville is the 2^nd largest MSA in Alabama and has one of the strongest technology and engineering economies in the nation, with the highest concentration of engineers in the nation and the 6^th largest county by military spending in the country.

Our community markets.

We are a leading bank in many of the Tennessee community markets that we serve. These community markets continue to offer us opportunities to profitably grow our market share. The table below shows our presence, as of June 30, 2017, in the six community markets where we have the largest amount of deposits. In total, we have over $1.2 billion in deposits in our community markets.

Top FirstBank community markets

Market	FB market rank		FB branches (#)		FB deposits ($mm)		FB deposit market share			Percent of total FB deposits
Lexington		1		6		329		58.3	%		8.7	%
Tullahoma		1		3		183		17.8	%		4.8	%
Huntingdon		2		5		122		23.5	%		3.2	%
Paris		3		2		102		17.5	%		2.7	%
Camden		2		2		100		22.8	%		2.6	%
Smithville		3		1		96		24.3	%		2.5	%

Note: Market data sourced from S&P Global Market Intelligence as of June 30, 2017. Statistics based on county data.

Market characteristics and mix.

Metropolitan markets.     Our metropolitan markets are characterized by attractive demographics and strong economies and offer substantial opportunity for future growth.We compete in these markets with national and regional banks that currently have the largest market share positions and with community banks primarily focused only on a particular geographic area or business niche. We believe we are well positioned to grow our market penetration among our target clients of small to medium sized businesses and the consumer base working and living in these metropolitan markets. In our experience, such clients demand the product sophistication of a larger bank, but prefer the customer service, relationship focus and local connectivity of a community bank. We believe that our size, product suite and operating model offer us a competitive advantage in these markets versus our smaller competitors, many of which are focused only on specific counties or industries. Our operating model driven by local talent with strong community ties and local authority serves as a key competitive advantage over our larger competitors. We believe that, as a result, we are well positioned to leverage our existing franchise to expand our market share in our metropolitan markets.

Community markets.    Our community markets tend to be more stable throughout various economic cycles, with primarily retail and small business customer opportunities and more limited competition. We believe this leads to an attractive profitability profile and smaller ticket, more granular loan and deposit portfolios. Our community markets are standalone markets and not suburbs of larger markets. We primarily compete in these markets with community banks that have less than $1 billion in total assets. Our strategy is to compete against these smaller community banks by providing a broader and more sophisticated set of products and capabilities while still maintaining our local service model. We believe these markets are being deemphasized by national and regional banks which provides us with opportunities to hire talented bankers in these communities and gain market share in these community markets.

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Market mix.    The charts below show our branch, loan and deposit mix between our metropolitan and community markets as of December 31, 2017.

       Full-Service Branches: Loans Held for Investment:      Total Deposits:

Our competitive strengths

We believe the following strengths provide us with competitive advantages over other banks in our markets and provide us with the necessary foundation to successfully execute our growth strategies.

Depth and experience of senior management team.    We have a deep and experienced senior management team led by our chief executive officer, Christopher Holmes, and chief financial officer, James Gordon. The team, as evidenced by the leaders of our Banking and Mortgage Segments, combines long histories at FirstBank with significant market and industry knowledge gained from employment with other successful banks.

In addition to our senior management team, our market leaders have an average tenure of more than11 years with us. We believe that we also have depth in our overall management in lending, credit administration, finance, operations and information technology.

Strong growth coupled with profitability.    We have delivered attractive growth and returns since the implementation of our strategic plan designed to leverage our competitive advantages in both metropolitan and community markets in 2012. Our execution of the plan has delivered strong growth, primarily from our Nashville metropolitan strategy and mortgage expansion, coupled with positive returns from our legacy community markets.

Ability to recruit and retain talented people.    The success of our operating model, which depends on local knowledge and decision making, is directly related to our ability to attract and retain talented bankers in each of our markets. We strive to attract and retain these bankers by fostering an entrepreneurial environment, empowering them with local authority and providing them with sufficient infrastructure and resources to support their growth while also providing management with appropriate oversight. We believe that our family culture built around respect, teamwork and empowerment makes us attractive for talented bankers and associates across our geographic footprint. We pride ourselves on being a great place to work, which is evidenced by our recognition as a Top Workplace for 2017 by The Tennessean, Nashville’s principal newspaper. In the Nashville market alone, we have added 22 new bankers since 2012, including the current President of our Middle and East Tennessee region, Allen Oakley, a 35-year banking veteran.

Scalable, decentralized operating model.    We operate each of our markets as individual markets, with an experienced market leader in charge of each market. Each of our market leaders and bankers is empowered to make local decisions up to specified limits approved by the Bank’s board of directors and our senior management team based on experience and track record. We believe that the delivery by our bankers of in-market client decisions, coupled with strong, centralized risk and credit support, allows us to best serve our clients. This operating model has been proven successful in our existing markets, and we believe it is highly replicable and scalable. We have a robust infrastructure bolstered by our conversion to a new core processing system in the second quarter of 2016 that can support our model as we grow in existing and new markets either organically or through opportunistic acquisitions.  

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Disciplined and deliberate risk management.    Risk management is a cornerstone of our culture and is emphasized throughout every area of the organization. Our decentralized operating model is balanced by individual lending authorities based on demonstrated experience and expertise. Larger credit decisions involve credit officers and/or senior management. We have invested in technology to monitor compliance of credits with our policies. We strive for a balanced loan portfolio taking into consideration borrower and industry concentrations. Our risk management strategy also includes rigorous systems and processes to monitor liquidity, interest rate, operations and compliance risk.

Proven acquirer.    We have a strong record of adding value through acquisitions and have completed nine bank and three mortgage related acquisitions under our current ownership. Our key operational associates have integration experience with FirstBank and other institutions. We are a disciplined acquirer focused on opportunities that meet our internal return targets, maintain or enhance our earnings per share and add to our strong core deposit franchise. Our long-term personal relationships with many of the bank owners and CEOs in our markets lead to a natural dialogue when they choose to explore a sale of their company. Additionally, we believe that our size and ability to operate effectively in both community and metropolitan markets make us an attractive option to smaller banks seeking an acquirer.

Our business strategy

Our overall business strategy is comprised of the following core strategies.

Enhance market penetration in metropolitan markets.    In recent years, we have successfully grown our franchise in the Nashville MSA by executing our metropolitan growth strategy. The strategy is centered on the following: recruiting the best bankers and empowering them with local authority; developing branch density; building brand awareness and growing our business and consumer banking presence; and expanding our product offering and capabilities. These strategies coupled with our personalized, relationship-based client service have contributed significantly to our success. Additionally, we believe that our scale, resources and sophisticated range of products provides us with a competitive advantage over the smaller community banks in the Nashville MSA and our other MSAs. As a result of these competitive advantages and growth strategies, the Nashville MSA has become our largest market. With approximately a 1.9% market share, based on deposits as of June 30, 2017, we are still in the early stage of executing our Nashville growth strategy and intend to continue to efficiently increase our market penetration.

Based on market and competitive similarities, we believe our growth strategies are transferable to our other metropolitan markets. We implemented these strategies with an initial focus on the Chattanooga MSA. Our acquisition of Northwest Georgia Bank has accelerated our growth and profitability in Chattanooga and, our acquisition of the Clayton Banks has begun to show the same results on a larger scale in the Knoxville MSA.

Pursue opportunistic acquisitions.    While most of our growth has been organic, we have completed nine acquisitions under our current ownership, including our recent acquisition of the Clayton Banks. We pursue acquisition opportunities that meet our internal return targets, maintain or enhance our earnings per share, enhance market penetration, and possess strong core deposits. We believe that numerous small to mid-sized banks or branch networks will be available for acquisition in metropolitan and community markets throughout Tennessee as well as in attractive contiguous markets in the coming years due to industry trends, such as scale and operational challenges, regulatory pressure, management succession issues and shareholder liquidity needs. In Tennessee alone, there are approximately 130 banks with total assets of less than $1 billion, and in the contiguous states of Alabama, Georgia, North Carolina, South Carolina and Virginia, there are over 500 banks under $1 billion in assets.We believe that we are positioned as a natural consolidator because of our financial strength, reputation and operating model.

Improve efficiency by leveraging technology and consolidating operations.    We have invested significantly in our bankers, infrastructure and technology in recent years, including our conversion to a new core processing system in the second quarter of 2016, which we believe has created a scalable platform that will support future growth across all of our markets. Our bankers and branches, especially in the Nashville MSA, continue to scale in size, and we believe there is capacity to grow our business without adding significantly to our branch network. We plan to continue to invest, as needed, in our technology and business infrastructure to support our future growth and increase operating efficiencies. We intend to leverage these investments to consolidate and centralize our operations and support functions while protecting our decentralized client service model.

Seize opportunities to expand noninterest income.    While our primary focus is on capturing opportunities in our core banking business, we have successfully seized opportunities to grow our noninterest income by providing our people with the flexibility to take advantage of market opportunities. As part of our strategic focus to grow our noninterest income, we have significantly expanded our mortgage business by hiring experienced loan officers, implementing our Consumer Direct internet delivery channel in 2014 along with expanding our third party origination business via our correspondent channel in 2016. This has allowed us to continue offering our mortgage clients the personalized attention that is the

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cornerstone of our Bank. We have also successfully expanded our fee-based businesses to include more robust treasury management, trust and investment services. We intend to continue emphasizing these business lines, which we believe will serve as strong customer acquisition channels and provide us with a range of cross-selling opportunities, while making our business stronger and more profitable.

Products and Services

We operate our business in two business segments: Banking and Mortgage. See Note 21, “Segment Reporting,” in the notes to our consolidated financial statements for a description of these business segments.

Banking services

While we operate through two segments, Banking and Mortgage, Banking has been, and is, the cornerstone of our operations and underlying philosophy since our beginnings in 1906. As the third largest Tennessee headquartered bank, we are dedicated to serving the banking needs of businesses, professionals and individuals in our metropolitan and community markets through our community banking approach of personalized, relationship-based service. We strive to become trusted advisers to our clients and achieve long-term relationships. We deliver a wide range of banking products and services tailored to meet the needs of our clients across our footprint.

Lending activities

Through the Bank, we offer a broad range of lending products to our targeted clients, which includes businesses with up to $250 million in annual revenues, business owners, real estate investors and consumers. Our commercial lending products include working capital lines of credit, equipment loans, owner-occupied and non-owner-occupied real estate construction loans, “mini-perm” real estate term loans, and cash flow loans to a diversified mix of clients, including small and medium sized businesses. Our consumer lending products include first and second residential mortgage loans, home equity lines of credit and consumer installment loans to purchase cars, boats and other recreational vehicles. At December 31, 2017, we had loans held for investment of $3.17 billion. Throughout the following discussion of our banking services, we present our loan information as loans excluding loans held for sale.

Lending strategy

Our strategy is to grow our loan portfolio by originating commercial and consumer loans that produce revenues consistent with our financial objectives. Through our operating model and strategies, we seek to be the leading provider of lending products and services in our market areas to our clients. We market our lending products and services to our clients through our personalized service. As a general practice, we originate substantially all of our loans, but we occasionally participate in syndications, limiting participations to loans originated by lead banks with which we have a close relationship and which share our credit philosophies.

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We also actively pursue and maintain a balanced loan portfolio by type, size and location. Our loans are generally secured and supported by personal guarantees.

Loan portfolio mix as of December 31, 2017

Commercial and industrial loans.    Our commercial and industrial loans are typically made to small- and medium-sized manufacturing, wholesale, retail and service businesses for working capital and operational needs and business expansions, including the purchase of capital equipment. Commercial and industrial loans generally include lines of credit and loans with maturities of five years or less. Because we are a community bank with long standing ties to the businesses and professionals operating in our market areas, we are able to tailor our commercial and industrial loan programs to meet the needs of our clients. We target high-quality businesses in our markets with a proven track record and up to $250 million in annual revenues. As of December 31, 2017, we had outstanding commercial and industrial loans, of $715.1 million, or 23% of our loan portfolio. Growing our commercial and industrial loan portfolio is an important area of emphasis for us, and we intend to continue to grow this portfolio.

Commercial and industrial loans are generally made with operating cash flows as the primary source of repayment, but may also include collateralization by inventory, accounts receivable, equipment and personal guarantees. As a result, the repayment risk is subject to the ongoing business operations of the borrower. Any interruption or discontinuance of operating cash flows from the business, which may be influenced by events not under the control of the borrower such as economic events and changes in governmental regulations, could materially affect the ability of the borrower to repay the loan. Further, commercial and industrial loans may be secured by the collateral described above, which if the business is unsuccessful, typically have values insufficient to satisfy the loan without a loss.

Commercial real estate loans.    Our commercial real estate loans consist of both owner-occupied and non-owner occupied commercial real estate loans. The total amount of commercial real estate loans outstanding as of December 31, 2017 was $1,047.5 million, or 33% of our loan portfolio. The real estate securing our existing commercial real estate loans includes a wide variety of property types, such as offices, warehouses, production facilities, health care facilities, hotels, mixed-use residential/commercial, retail centers, restaurants, churches, assisted living facilities and agricultural based facilities. As of December 31, 2017, $495.9 million of our commercial real estate loan portfolio, or 16% of our loan portfolio, was owner-occupied commercial real estate loans, and $551.6 million of our commercial real estate loan portfolio, or 17% of our loan portfolio, was non-owner occupied commercial real estate loans. We are primarily focused on growing the owner-occupied portion of our commercial real estate loan portfolio.

With respect to our owner-occupied commercial real estate loans, we target local companies with a proven operating history that tend to be business-operators and professionals within our markets. Owner-occupied real estate loans are typically repaid through the ongoing business operations of the borrower, and hence are dependent on the success of the underlying business for repayment and are more exposed to general economic conditions.

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With respect to our non-owner occupied commercial real estate loans, we target experienced, local real estate developers and investors with whom our bankers have long-standing relationships. Our non-owner occupied commercial real estate loans also tend to involve retail, hotel, office, warehouse, industrial, healthcare, assisted living and mix-used properties. Non-owner occupied real estate loans are typically repaid with the funds received from the sale of the completed property or rental proceeds from such property, and are therefore more sensitive to adverse conditions in the real estate market, which can also be affected by general economic conditions.

Commercial real estate loans are often larger and involve greater risks than other types of lending. Adverse developments affecting commercial real estate values in our market areas could increase the credit risk associated with these loans, impair the value of property pledged as collateral for these loans, and affect our ability to sell the collateral upon foreclosure without a loss. Furthermore, adverse developments affecting the business operations of the borrowers of our owner-occupied commercial real estate loans could significantly increase the credit risk associated with these loans. Due to the larger average size of commercial real estate loans, we face the risk that losses incurred on a small number of commercial real estate loans could have a material adverse impact on our financial condition and results of operations.

Residential real estate loans.    Our residential real estate loans consist of 1-4 family loans, home equity loans and multi-family loans. The residential real estate loans described below exclude mortgage loans that are held for sale. As of December 31, 2017, the total amount of residential real estate loans outstanding was $738.3 million, or 23% of our loan portfolio.

Our 1-4 family mortgage loans are primarily made with respect to and secured by single family homes, which are both owner-occupied and investor owned. We seek to make our 1-4 family mortgage loans to well-qualified homeowners and investors with a proven track record that satisfy our credit and underwriting standards. As of December 31, 2017, our 1-4 family mortgage loans comprised $481.0 million, or 15%, of loans.

Our home equity loans are primarily revolving, open-end lines of credit secured by 1-4 family residential properties. We seek to make our home equity loans to well-qualified borrowers that satisfy our credit and underwriting standards. Our home equity loans as of December 31, 2017 comprised $195.0 million, or 6%, of loans.

Our multi-family residential loans are primarily secured by multi-family properties, primarily apartment and condominium buildings. We seek to make multi-family residential loans to experienced real estate investors with a proven track record. These loans are primarily repaid from the rental payments generated by the multifamily properties. Our multifamily loans as of December 31, 2017 comprised $62.4 million, or 2% of loans.

We expect to continue to make residential real estate mortgage loans at a similar pace so long as housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. Like our commercial real estate loans, our residential real estate loans are secured by real estate, the value of which may fluctuate significantly over a short period of time as a result of market conditions in the area in which the real estate is located. Adverse developments affecting real estate values in our market areas could therefore increase the credit risk associated with these loans, impair the value of property pledged as collateral on loans and affect our ability to sell the collateral upon foreclosure without a loss or additional losses. We primarily make our residential real estate loans to qualified individuals and investors in accordance with our real estate lending policies, which detail maximum loan to value ratios and maturities and, as a result, the repayment of these loans are also affected by adverse personal circumstances.

Construction loans.    Our construction real estate loans include commercial construction, land acquisition and land development loans and single-family interim construction loans to small- and medium-sized businesses and individuals. We target experienced local developers primarily focused on multifamily, hospitality, commercial building, retail and warehouse developments. These loans typically are disbursed as construction progresses and carry variable interest rates for commercial loans and fixed rates for consumer loans. As of December 31, 2017, the outstanding balance of our construction loans was $448.3 million, or 14% of our loan portfolio. We expect to continue to make construction loans at a similar pace so long as demand continues and the market for and values of such properties remain stable or continue to improve in our markets.

Construction loans carry a high risk because repayment of these loans is dependent, in part, on the success of the ultimate project or, to a lesser extent, the ability of the borrower to refinance the loan or sell the property upon completion of the project, rather than the ability of the borrower or guarantor to repay principal and interest. Moreover, these loans are typically based on future estimates of value and economic circumstances, which may differ from actual results or be affected by unforeseen events. If the actual circumstances differ from the estimates made at the time of approval of these loans, we face the risk of having inadequate security for the repayment of the loan. Further, these loans are typically secured by the underlying development and, even if we foreclose on the loan, we may be required to fund additional

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amounts to complete the project and may have to hold the property for an unspecified period of time while we attempt to dispose of it.

Consumer and other loans.    We offer a variety of consumer loans, such as installment loans to individuals for personal, family and household purposes, including car, boat and other recreational vehicle loans and personal lines of credit. Our consumer loans typically are part of an overall client relationship designed to support the individual consumer borrowing needs of our commercial loan and deposit clients, and are well diversified across our markets. As of December 31, 2017, we had outstanding $217.7 million of consumer and other loans, excluding residential real estate loans, representing 7% of our loan portfolio. Consumer loans typically have shorter terms, lower balances, higher yields and higher risks of default than residential real estate mortgage loans. The repayment of consumer loans is dependent on the borrower’s continuing financial stability and are therefore more likely to be affected by adverse personal circumstances, such as the loss of employment, unexpected medical costs or divorce. These loans are often secured by the underlying personal property, which typically has insufficient value to satisfy the loan without a loss due to damage to the collateral and general depreciation.

Deposits and other banking services

We offer a full range of transaction and interest bearing depository products and services to meet the demands of each segment within our client base. Our target segments include consumer, small business, and corporate entities. We solicit deposits from these target segments through our local bankers, sophisticated product offering and our brand-awareness initiatives, such as our community focused marketing and high-visibility branch locations. We offer demand, negotiable order of withdrawal, money market, certificates of deposit, municipal and savings accounts. To complement our account offerings, we also have in place technology to support electronic banking activities, including consumer online banking and mobile banking. In addition to these electronic banking activities, we make deposit services accessible to our clients by offering direct deposit, wire transfer, night depository, banking-by-mail and remote capture for non-cash items. Our commercial clients are served by a well-developed cash management technology platform.

The following charts show our deposit composition as of December 31, 2017, as well as the growth of our noninterest bearing deposits as a percentage of total deposits and the resulting improvement in our cost of deposits since 2013.

Deposit mix as of December 31, 2017	Noninterest bearing deposit and cost of deposits

The growth of low-cost deposits is an important aspect of our strategic plan, and we believe it is a significant driver of our value. The primary driver of our noninterest bearing deposit growth has been our ability to acquire new commercial clients. This has resulted from the addition of relationship bankers in our Nashville market, improved technology in the cash management area, and the addition of experienced cash management sales and operational specialists. Our cash management product offering includes a well-developed online banking platform complimented by a host of ancillary services including lockbox remittance processing, remote check deposit capture, remote cash capture, fraud protection services, armored car services, commercial and business card products, and merchant processing solutions.

Our consumer offering is anchored on our rewards based checking product where we currently hold over $260 million in deposit balances in approximately 33,000 accounts. The “FirstRewards” checking product incents our clients to use their FirstBank debit card as a primary method of payment at point of sale, utilize online and mobile banking, electronic bill pay, direct deposit, and receive electronic statements. When meeting certain criteria, clients receive a premium interest rate on

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balances. The Bank benefits from higher interchange revenue, lower expense on a per account basis as compared to traditional products, and better client retention.

The coupling of these strategies delivered through our relationship-based sales model has allowed us to grow noninterest bearing deposits and noninterest income without expanding our account level fee structure. This differentiating approach has set us apart from national and regional competitors and has built loyalty and satisfaction within our client segments.

Mortgage banking services

We offer full-service residential mortgage products and services through our bank branches, our mortgage offices strategically located throughout the southeastern United States both in and outside our community banking footprint and our internet delivery channel. We also offer smaller community banks and mortgage companies a host of diverse, third-party mortgage services. Our mortgage business has a strong track record of profitability and growth driven by our experienced mortgage executive team, diversified distribution channels and correspondent relationships with other community banks and mortgage companies.

While we have always offered, and continue to offer, home mortgage loans to retail customers through our bank branches, we began the expansion and diversification of our mortgage business beyond our traditional bank branch channel in 2010 by opening loan production offices in certain Tennessee markets in an effort to take advantage of attractive opportunities to grow our mortgage revenues and attract new customers to the Bank. We continued this expansion in 2011 with the acquisition of the assets and certain employees of Henger Rast Mortgage, with loan production offices in Alabama and Georgia, and the acquisition of our third party origination group in Greer, South Carolina. We also opened additional mortgage offices outside of our community banking footprint in strategically located markets across the Southeast and continued to hire experienced loan officers across our footprint. In 2014, we started our internet delivery channel to target clients across the nation and to compete against online mortgage providers. Additionally, in 2016 we acquired certain assets of Finance of America Mortgage LLC, further expanding our third party origination channel. As a result of these initiatives, we have expanded our mortgage banking business beyond the traditional home mortgage loans offered by our bank branches and now offer our residential mortgage products and services and third party mortgage services through four diverse delivery channels: (1) Retail Mortgage, which provides residential mortgages to consumers in the Southeast primarily through our bank branches and mortgage offices; (2) Third Party Origination consisting of both correspondent and wholesale lending, which provides mortgage processing and resale services to smaller banks and mortgage companies in Tennessee and other states nationally; (3) ConsumerDirect, which provides residential mortgages on a national basis via internet channels; and (4) Reverse Mortgage, which provides reverse mortgage products to clients in Tennessee, Alabama, Georgia, and other states nationally.

The residential mortgage products and services originated in our community banking footprint and related revenues and expenses are included in our Banking segment while the residential mortgage products and services originated outside of our community banking footprint and related revenues and expenses are included in our Mortgage segment. The Mortgage segment also includes our ConsumerDirect internet delivery channels, our Third Party Origination group and our mortgage servicing activities.

We intend to continue to take advantage of opportunities to grow our mortgage business as they present themselves, including by continuing to expand our mortgage business outside of our community banking footprint, improving the client experience through an enhanced fulfillment process, attracting experienced loan officers and improving profitability through centralized efficiencies and our capital markets execution. We have successfully maintained our ConsumerDirect internet delivery channel over the past year by increasing our marketing of this channel.  Additionally, we are continuing to develop our correspondent lending delivery channel, which will be a continued focus of future growth in 2018. We have managed to grow our mortgage business while maintaining a high-degree of scalability to control costs in the event of a downturn in our mortgage business. Our mortgage loan office leases are primarily short-term in nature and approximately 55% of our mortgage-related compensation is in the form of variable compensation. Our mortgage business offers attractive cross-selling opportunities for our consumer banking products through the origination process and our mortgage servicing book.

We look to originate quality mortgage loans with a focus on purchase money mortgages. In accordance with our lending policy, each loan undergoes a detailed underwriting process which incorporates uniform underwriting standards and oversight that satisfies secondary market standards as outlined by our investors and our internal policies. Mortgage loans are subject to the same uniform lending policies referenced below and consist primarily of loans with relatively stronger borrower credit scores, with an average FICO score of 731 during the year ended December 31, 2017.

The residential mortgage industry is highly competitive, and we compete with other community banks, regional banks, national banks, credit unions, mortgage companies, financial service companies and online mortgage companies. Due to the highly competitive nature of the residential mortgage industry, we expect to face continued industry-wide competitive

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pressures related to changing market conditions that will reduce our pricing margins and mortgage revenues generally, especially in a rising rate environment.

Our mortgage banking business is also directly impacted by the interest rate environment, increased regulations, consumer demand, driven in large part by general economic conditions and the real estate markets, and investor demand for mortgage securities. Mortgage production, especially refinancing activity, declines in rising interest rate environments. While we have not yet experienced a slowdown in our mortgage origination volume, due in part to our expansion of our mortgage banking business, our mortgage origination volume could be materially and adversely affected by rising interest rates, and we expect to see declining origination volume in 2018 within the industry.

During the year ended December 31, 2017, we had $7.6 billion in interest rate lock commitment volume, with 58% of these commitments being purchase money mortgage loans. Please see below for a breakdown of our interest rate lock commitment volume by distribution channel since 2015 and by product type in 2017:

Interest rate lock commitment volume by line of business ($ in millions)

Interest rate lock commitment volume by product type (year ended December 31, 2017)

Note: Conv = Conventional; VA = Veterans Affairs; USDA = United States Department of Agriculture Rural Housing Mortgage; FHA = Federal Housing Administration

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Investment and trust services

The Bank provides our individual clients access to investment services offered by LPL Financial (formerly INVEST Financial Corporation), an independent third-party broker-dealer that maintains offices in 41 of our bank branches. A full range of investment choices is available through LPL Financial for our clients, including equities, mutual funds, bonds, tax-exempt municipals, and annuities, as well as money management consultation. Life insurance products are also offered to our clients through FirstBank Insurance, Inc., a wholly-owned insurance agency. We also offer our business clients group retirement plan advisory services. We primarily market these services to retirees or pre-retirees with a minimum of $100,000 of investable assets, high income professionals earning more than $200,000 and businesses with group retirements plans that have more than $1 million in assets. We earn noninterest income from the investment and life insurance sales arrangements.

During 2017, the Bank began providing trust administration services as an extension to wealth management through the FirstBank Trust Department through the Clayton Banks acquisition.  With $567.4 million assets under management at December 31, 2017, a disciplined investment philosophy and a highly competitive fee schedule, FirstBank Trust primarily serves high-wealth bank relationships and a niche of charitable endowments and foundations.

Risk management

General

Our operating model demands a strong risk culture built to address multiple areas of risk, including credit risk, interest rate risk, liquidity risk, price risk, compliance risk, operational risk, strategic risk and reputational risk. Our risk culture is supported by investments in the right people and technologies to protect our business. Our board of directors and the Bank’s board of directors are ultimately responsible for overseeing risk management at the holding company and the Bank, respectively. We have a Chief Risk Officer who oversees risk management across our business (including the Bank) and reports directly to our Chief Executive Officer. Our board, Chief Executive Officer and Chief Risk Officer are supported by the heads of other functional areas at the Bank, including legal, IT, audit, compliance, capital markets and information and physical security. Our comprehensive risk management framework is designed to complement our core strategy of empowering our experienced, local bankers with local-decision making to better serve our clients.

Our credit policies support our goal of maintaining sound credit quality standards while achieving balance sheet growth, earnings growth, appropriate liquidity and other key objectives. We maintain a risk management infrastructure that includes local authority, centralized policymaking and a strong system of checks and balances. The fundamental principles of our credit policy and procedures are to maintain credit quality standards, which enhance our long-term value to our clients, associates, shareholders and communities. Our loan policies provide our bankers with a sufficient degree of flexibility to permit them to deliver responsive and effective lending solutions to our clients while maintaining appropriate credit quality. Furthermore, our bankers and associates are hired for the long-term and they are incentivized to focus on long-term credit quality. Since lending represents credit risk exposure, the Bank’s board of directors and its duly appointed committees seek to ensure that the Bank maintains appropriate credit quality standards. We have established oversight committees to administer the loan portfolio and monitor credit risk. These committees include our audit committee and credit committee, and they meet at least quarterly to review the lending activities of the Bank.

Credit concentration

Diversification of risk is a key factor in prudent asset management. Our loan portfolio is balanced between our metropolitan and community markets and by type, thereby diversifying our loan concentration. Our granular loan portfolio reflects a balanced mix of consumer and commercial clients across these markets that we think provides a natural hedge to industry and market cycles. In addition, risk from concentration is actively managed by management and reviewed by the board of directors of the Bank, and exposures relating to borrower, industry and commercial real estate categories are tracked and measured against policy limits. These limits are reviewed as part of our periodic review of the loan policy. Loan concentration levels are monitored by the credit administration department and reported to the board of directors of the Bank.

Loan approval process

The loan approval process at the Bank is characterized by local authority supported by a risk control environment that provides for prompt and thorough underwriting of loans. Our localized decision making is reinforced through a centralized review process supported by technology that monitors credits to ensure compliance with our credit policies. Our loan approval method is based on a hierarchy of individual lending authorities for new credits and renewals granted to our individual bankers, market presidents, credit officers, senior management and credit committee. The Bank’s board of directors establishes the maximum lending limits at each level and our senior management team sets individual authorities within these maximum limits to each individual based on demonstrated experience and expertise, and are

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periodically reviewed and updated. We believe that the ability to have individual loan authority up to specified levels based on experience and track record coupled with appropriate approval limits for our market presidents and credit officers allows us to provide prompt and appropriate responses to our clients while still allowing for the appropriate level of oversight.

As a relationship-oriented lender, rather than transaction-oriented lender, substantially all of our loans are made to borrowers or relationships located or operating in our market area. This provides us with a better understanding of their business, creditworthiness and the economic conditions in their market and industry. Furthermore, our associates are held accountable for all of their decisions, which effectively aligns their incentives to reflect appropriate risk management.

In considering loans, we follow the conservative underwriting principles set forth in our loan policy with a primary focus on the following factors:

• a relationship with our clients that provides us with a thorough understanding of their financial condition and ability to repay the loan;

• verification that the primary and secondary sources of repayment are adequate in relation to the amount of the loan;

• adherence to appropriate loan to value guidelines for real estate secured loans;

• targeted levels of diversification for the loan portfolio, both as to type of borrower and type of collateral; and

• proper documentation of loans, including perfected liens on collateral.

As part of the approval process for any given loan, we seek to minimize risk in a variety of ways, including the following:

• analysis of the borrower’s and/or guarantor’s financial condition, cash flow, liquidity, and leverage;

• assessment of the project’s operating history, operating projections, location and condition;

• review of appraisals, title commitment and environmental reports;

• consideration of the management’s experience and financial strength of the principals of the borrower; and

• understanding economic trends and industry conditions.

The board of directors of the Bank reviews and approves loan policy changes, monitors loan portfolio trends and credit trends, and reviews and approves loan transactions that exceed management thresholds as set forth in our loan policies. Loan pricing is established in conjunction with the loan approval process based on pricing guidelines for loans that are set by the Bank’s senior management. We believe that our loan approval process provides for thorough internal controls, underwriting, and decision making.

Lending limits

The Bank is limited in the amount it can loan in the aggregate to a single borrower or related borrowers by the amount of our capital. The Bank is a Tennessee chartered bank and therefore all branches, regardless of location, fall under the legal lending limits of the state of Tennessee. Tennessee’s legal lending limit is a safety and soundness measure intended to prevent one person or a relatively small and economically related group of persons from borrowing an unduly large amount of a bank’s funds. It is also intended to safeguard a bank’s depositors by diversifying the risk of loan losses among a relatively large number of creditworthy borrowers engaged in various types of businesses. Generally, under Tennessee law, loans and extensions of credit to a borrower may not exceed 15% of our bank’s Tier 1 capital, plus an additional 10% of the bank’s Tier 1 capital, with approval of the bank’s board. Further, the Bank may elect to conform to similar standards applicable to national banks under federal law, in lieu of Tennessee law. Because the federal law and Tennessee state law standards are determined as a percentage of the Bank’s capital, these state and federal limits both increase or decrease as the Bank’s capital increases or decreases. Based upon the capitalization of the Bank at December 31, 2017, the Bank’s legal lending limits were approximately $66 million (15%) and $111 million (25%). The Bank may seek to sell participations in our larger loans to other financial institutions, which will allow us to manage the risk involved in these loans and to meet the lending needs of our clients requiring extensions of credit in excess of these limits.

In addition to these legally imposed lending limits, we also employ appropriate limits on our overall loan portfolio and requirements with respect to certain types of lending and individual lending relationships. For example, we have lending limits related to maximum borrower, industry and certain types of commercial real estate exposures.

Enterprise risk management

We maintain an enterprise risk management program that helps us to identify, manage, monitor and control potential risks that may affect us, including credit risk, interest rate risk, liquidity risk, price risk, compliance risk, operational risk, strategic risk and reputational risk. Our operating model demands a strong risk culture built to address the multiple areas of risk we face, and our risk management strategy is supported by significant investments in the right people and technologies to protect the organization.

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Our comprehensive risk management framework and risk identification is a continuous process and occurs at both the transaction level and the portfolio level. While our local bankers and associates support our day-to-day risk practices, management seeks to identify interdependencies and correlations across portfolios and lines of business that may amplify risk exposure through a thorough centralized review process. Risk measurement helps us to control and monitor risk levels and is based on the sophistication of the risk measurement tools used to reflect the complexity and levels of assumed risk. We monitor risks and ensure compliance with our risk policies by timely reviewing risk positions and exceptions, investing in the technology to monitor credits, requiring senior management authority sign-off on larger credit requests and granting credit authority to bankers and officers based on demonstrated experience and expertise. This monitoring process ensures that management’s decisions are implemented for all geographies, products and legal entities.

We control risks through limits that are communicated through policies, standards, procedures and processes that define responsibility and authority. Such limits serve as a means to control exposures to the various risks associated with our activities, and are meaningful management tools that can be adjusted if conditions or risk tolerances change. In addition, we maintain a process to authorize exceptions or changes to risk limits when warranted. These risk management practices help to ensure effective reporting, compliance with all laws, rules and regulations, avoid damage to our reputation and related consequences, and attain our strategic goals while avoiding pitfalls and surprises along the way.

The board of directors of the Bank approves policies that set operational standards and risk limits, and any changes require approval by the Bank’s board of directors. Management is responsible for the implementation, integrity and maintenance of our risk management systems ensuring the directives are implemented and administered in compliance with the approved policy. Our Chief Risk Officer supervises the overall management of our risk management program, reports to management and yet also retains independent access to the Bank’s board of directors.

Credit risk management

Credit risk management is a key component of our risk management program. We employ consistent analysis and underwriting to examine credit information and prepare underwriting documentation. We monitor and approve exceptions to our credit policies as required, and we also track and address technical exceptions.

Each loan officer has the primary responsibility for appropriately risk rating each commercial loan that is made. In addition, our credit administration department is responsible for the ongoing monitoring of loan portfolio performance through the review of ongoing financial reports, loan officer reports, audit reviews and exception reporting and concentration analysis. This monitoring process also includes an ongoing review of loan risk ratings and management of our allowance for loan losses. We have a Chief Credit Officer responsible for maintaining the integrity of our portfolio within the parameters of the credit policy. We utilize a risk grading system that enables management to differentiate individual loan quality and forecast future profitability and portfolio loss potential.

We assign a credit risk rating at the time a commercial loan is made and adjust it promptly as conditions warrant. Portfolio monitoring systems allow management to proactively assess risk and make decisions that will minimize the impact of negative developments. We promote open communication to minimize or eliminate surprises. Successful credit management is achieved by lenders consistently meeting with clients and reviewing their financial conditions regularly. This enables both the recognition of future opportunities and potential weaknesses early.

The Bank’s board of directors supports a strong loan review program and is committed to its effectiveness as part of the independent process of assessing our lending activities. We have communicated to our credit and lending staff that the identification of emerging problem loans begins with the lending personnel knowing their client and, supported by credit personnel, actively monitoring their client relationships. The loan review process is meant to augment this active management of client relationships and to provide an independent and broad-based look into our lending activities. We believe that our strong client relationships support our ability to identify potential deterioration of our credits at an early stage enabling us to address these issues early on to minimize potential losses.

We maintain a robust loan review function by utilizing an internal loan review team as well as third-party loan review firms that report to the board of directors of the Bank to ensure independence and objectivity. The examinations performed by the loan review department are based on risk assessments of individual loan commitments within our loan portfolio over a period of time. At the conclusion of each review, the loan review department provides management and the board of directors with a report that summarizes the findings of the review. At a minimum, the report addresses risk rating accuracy, compliance with regulations and policies, loan documentation accuracy, the timely receipt of financial statements, and any additional material issues.

When delinquencies in our loans exist, we rigorously monitor the levels of such delinquencies for any negative or adverse trends. From time to time, we may modify loans to extend the term or make other concessions to help a borrower with a deteriorating financial condition stay current on their loan and to avoid foreclosure. We generally do not forgive principal or

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interest on loans or modify the interest rates on loans to rates that are below market rates. Furthermore, we are committed to collecting on all of our loans and, as a result, at times have lower net charge-offs compared to our peer banks. This practice can result in us carrying higher nonperforming assets on our books than our peers, however, our nonperforming assets in recent years have been lower than peers due to strong asset quality.  Our commitment to collecting on all of our loans, coupled with our knowledge of our borrowers, sometimes results in higher loan recoveries. We believe that we are well reserved for losses resulting from our non-performing assets.

Liquidity and interest rate risk management

Our liquidity planning framework is focused on ensuring the lowest cost of funding available and planning for unpredictable funding circumstances. To achieve these objectives, we utilize a simple funding and capital structure consisting primarily of deposits and common equity. We remain continually focused on growing our noninterest bearing and other low-cost core deposits while replacing higher cost funding options, including wholesale time deposits and other borrowed debt, to fund our balance sheet growth. The following chart shows our simple funding structure as of December 31, 2017.

Funding structure as of December 31, 2017

In addition, we monitor our liquidity risk by adopting policies to define potential liquidity problems, reviewing and maintaining an updated liquidity contingency plan and providing a prudent capital structure consistent with our credit standing and plans for strategic growth.

Our interest risk management system is overseen by our board of directors, who has the authority to approve acceptable rate risk levels. Our board of directors has established the Asset Liability Committee to ensure appropriate risk appetite by requiring:

• quarterly testing of interest rate risk exposure,

• proactive risk identification and measurement,

• quarterly risk presentations by senior management, and

• independent review of the risk management process.

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Competition

We conduct our core banking operations primarily in Tennessee and compete in the commercial banking industry solely through our wholly-owned banking subsidiary, FirstBank. The banking industry is highly competitive, and we experience competition in our market areas from many other financial institutions. We compete with commercial banks, credit unions, savings institutions, mortgage banking firms, online mortgage lenders, consumer finance companies, securities brokerage firms, insurance companies, money market funds and other mutual funds, as well as super-regional, national and international financial institutions that operate offices in our market areas and elsewhere. In addition, a number of out-of-state financial intermediaries have opened production offices, or otherwise solicit deposits, in our market areas. Increased competition in our markets may result in reduced loans and deposits, as well as reduced net interest margin and profitability. Furthermore, the Tennessee market has grown increasingly competitive in recent years with a number of banks entering this market, with a primary focus on the state’s metropolitan markets. We believe this trend will continue as banks look to gain a foothold in these growing markets. This trend will result in greater competition primarily in our metropolitan markets. However, we firmly believe that our market position and client-focused operating model enhances our ability to attract and retain clients.

See “Our markets” in this section above for a further discussion of the markets we compete in and the competitive landscape in these markets.

Our associates

As of December 31, 2017, we had 1,335 full-time associates and 51 part-time associates. We pride ourselves on maintaining good relations with our associates. None of our employees are represented by any collective bargaining unit or are parties to a collective bargaining agreement.

Information technology systems

We have recently made and continue to make significant investments in our technology platforms. In 2014, we completed an upgrade to our consumer online banking, mobile and voice platforms deploying competitive technology to support consumer self-service banking behavior. During 2015, we completed the installation of a dedicated commercial cash management platform that is configurable at a client segment level supporting a broad range of client needs. We also developed a commercial mobile and tablet app that we launched in late 2016.

During the second quarter of 2016, we successfully converted our core operating platform to the Jack Henry Silverlake platform. This core conversion includes the replacement of our core, teller platform, loan and deposit platforms, as well as a number of other ancillary systems, which we believe helped us achieve a scalable and efficient operations function. Additionally, the core conversion positioned us to offer new products and services that improves our overall customer experience and enhances our ability to attract new households.

Supervision and regulation

The following is a general summary of the material aspects of certain statutes and regulations applicable to us and the Bank. These summary descriptions are not complete, and you should refer to the full text of the statutes, regulations, and corresponding guidance for more information. These statutes and regulations are subject to change, and additional statutes, regulations, and corresponding guidance may be adopted. We are unable to predict these future changes or the effects, if any, that these changes could have on our business, revenues, and financial results.

General

As a registered bank holding company, we are subject to regulation, supervision, and examination by the Board of Governors of the Federal Reserve System, or Federal Reserve, under the Bank Holding Company Act of 1956, as amended (the “BHCA”). In addition, as a Tennessee state-chartered bank that is not a member of the Federal Reserve System, the Bank is subject to primary regulation, supervision, and examination by the Federal Deposit Insurance Corporation, or FDIC, and the Bank’s state banking regulator, the Tennessee Department of Financial Institutions, or TDFI. Supervision, regulation, and examination of us and the Bank by the bank regulatory agencies are intended primarily for the protection of consumers, bank depositors and the Deposit Insurance Fund of the FDIC, rather than holders of our capital stock.

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Changes as a result of the Dodd-Frank Act

As a result of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, or Dodd-Frank Act, the regulatory framework under which we and the Bank operate has changed. The Dodd-Frank Act brought about a significant overhaul of many aspects of the regulation of the financial services industry, addressing issues including, among others, systemic risk, capital adequacy, deposit insurance assessments, consumer financial protection, interchange fees, lending limits, mortgage lending practices, registration of investment advisers and changes among the bank regulatory agencies. In particular, portions of the Dodd-Frank Act that affected us and the Bank include, but are not limited to:

• The Dodd-Frank Act created the Consumer Financial Protection Bureau, or CFPB, a new federal regulatory body with broad authority to regulate the offering and provision of consumer financial products and services. The authority to examine depository institutions with $10.0 billion or less in assets, such as the Bank, for compliance with federal consumer laws remain largely with the Bank’s primary federal regulator, the FDIC. However, the CFPB may participate in examinations of smaller institutions on a “sampling basis” and may refer potential enforcement actions against such institutions to their primary regulators. While the CFPB does not have direct supervisory authority over us or the Bank, it nevertheless has important rulemaking, examination and enforcement authority with regard to consumer financial products and services.

• The Dodd-Frank Act imposed new duties on mortgage lenders, including a duty to determine the borrower’s ability to repay the loan, and imposed a requirement on mortgage securitizers to retain a minimum level of economic interest in securitized pools of certain mortgage types.

• The Dodd-Frank Act’s Volcker Rule substantially restricted proprietary trading and investments in hedge funds or private equity funds and requires banking entities to implement compliance programs, as described further under “Other Dodd-Frank Act reforms : Volcker Rule” below.

• The Dodd-Frank Act contained other provisions, including but not limited to: new limitations on federal preemption; application of new regulatory capital requirements, including changes to leverage and risk-based capital standards and changes to the components of permissible tiered capital ; changes to the assessment base for deposit insurance premiums; permanently raising the FDIC’s standard maximum deposit insurance amount to $250,000 limit for federal deposit insurance; repeal of the prohibition on the payment of interest on demand deposits, thereby permitting depository institutions to pay interest on business transaction and other accounts; a prohibition on incentive-based compensation arrangements that encourage inappropriate risk taking by covered financial institutions and are deemed to be excessive, or that may lead to material losses; requirement that sponsors of asset-backed securities retain a percentage of the credit risk of the assets underlying the securities; requirement that banking regulators remove references to and requirements of reliance upon credit ratings from their regulations and replace them with appropriate alternatives for evaluating credit worthiness.

The list above is not exhaustive. It reflects our current assessment of the Dodd-Frank Act provisions and implementing rules that are reasonably possible to have a substantial impact on us in the future.

Holding company regulation

As a regulated bank holding company, we are subject to various laws and regulations that affect our business. These laws and regulations, among other matters, prescribe minimum capital requirements, limit transactions with affiliates, impose limitations on the business activities in which we can engage, limit the dividend or distributions that the Bank can pay to us, restrict the ability of institutions to guarantee our debt, and impose certain specific accounting requirements on us that may be more restrictive and may result in greater or earlier charges to earnings or reductions in our capital than generally accepted accounting principles, among other things.

Permitted activities

Under the BHCA, as amended, a bank holding company is generally permitted to engage in, or acquire direct or indirect control of more than five percent of any class of the voting shares of any company that is not a bank or bank holding company and that is engaged in, the following activities (in each case, subject to certain conditions and restrictions and prior approval of the Federal Reserve):

• banking or managing or controlling banks:

• furnishing services to or performing services for our subsidiaries:

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• any activity that the Federal Reserve determines by regulation or order to be so closely related to banking as to be a proper incident to the business of banking, including:

• factoring accounts receivable;

• making, acquiring, brokering or servicing loans and related activities;

• leasing personal or real property;

• operating a nonbank depository institution, such as a savings association;

• performing trust company functions;

• conducting financial and investment advisory activities;

• conducting discount securities brokerage activities;

• underwriting and dealing in government obligations and money market instruments;

• providing specified management consulting and counseling activities;

• performing selected data processing services and support services;

• acting as agent or broker in selling credit life insurance and other types of insurance in connection with credit transactions;

• performing selected insurance underwriting activities;

• providing certain community development activities (such as making investments in projects designed primarily to promote community welfare); and

• issuing and selling money orders and similar consumer-type payment instruments.

While the Federal Reserve has found these activities in the past acceptable for other bank holding companies, the Federal Reserve may not allow us to conduct any or all of these activities, which are reviewed by the Federal Reserve on a case by case basis upon application by a bank holding company.

The Federal Reserve has the authority to order a bank holding company or its subsidiaries to terminate any of these activities or to terminate its ownership or control of any subsidiary when it has reasonable cause to believe that the bank holding company’s continued ownership, activity or control constitutes a serious risk to the financial safety, soundness or stability of it or any of its bank subsidiaries.

Acquisitions subject to prior regulatory approval

The BHCA requires the prior approval of the Federal Reserve for a bank holding company to acquire substantially all the assets of a bank or to acquire direct or indirect ownership or control of more than 5% of any class of the voting shares of any bank, bank holding company, savings and loan holding company or savings association, or to increase any such non-majority ownership or control of any bank, bank holding company, savings and loan holding company or savings association, or to merge or consolidate with any bank holding company.

Under the BHCA, if “well capitalized” and “well managed”, as defined under the BHCA and implementing regulations, we or any other bank holding company located in Tennessee may purchase a bank located outside of Tennessee. Conversely, a well-capitalized and well-managed bank holding company located outside of Tennessee may purchase a bank located inside Tennessee. In each case, however, restrictions may be placed on the acquisition of a bank that has only been in existence for a limited amount of time or will result in concentrations of deposits exceeding limits specified by statute. For example, Tennessee law currently prohibits a bank holding company from acquiring control of a Tennessee-based financial institution until the target financial institution has been in operation for at least three years.

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Bank holding company obligations to bank subsidiaries

Under current law and Federal Reserve policy, a bank holding company is expected to act as a source of financial and managerial strength to its depository institution subsidiaries and to maintain resources adequate to support such subsidiaries, which could require us to commit resources to support the Bank in situations where additional investments in a bank may not otherwise be warranted. These situations include guaranteeing the compliance of an “undercapitalized” bank with its obligations under a capital restoration plan, as described further under “Bank regulation-: Capitalization levels and prompt corrective action” below. As a result of these obligations, a bank holding company may be required to contribute additional capital to its subsidiaries in the form of capital notes or other instruments that qualify as capital under regulatory rules. Any such loan from a holding company to a subsidiary bank is likely to be unsecured and subordinated to the bank’s depositors and perhaps to other creditors of the bank. If we were to enter bankruptcy or become subject to the orderly liquidation process established by the Dodd-Frank Act, any commitment by us to a federal bank regulatory agency to maintain the capital of the Bank would be assumed by the bankruptcy trustee or the FDIC, as appropriate, and entitled to a priority of payment.

Restrictions on bank holding company dividends.

The Federal Reserve’s policy regarding dividends is that a bank holding company should not declare or pay a cash dividend which would impose undue pressure on the capital of any bank subsidiary or would be funded only through borrowing or other arrangements that might adversely affect a bank holding company’s financial position. As a general matter, the Federal Reserve has indicated that the board of directors of a bank holding company should consult with the Federal Reserve and eliminate, defer or significantly reduce the bank holding company’s dividends if:

• its net income available to shareholders for the past four quarters, net of dividends previously paid during that period, is not sufficient to fully fund the dividends;

• its prospective rate of earnings retention is not consistent with its capital needs and overall current and prospective financial condition; or

• it will not meet, or is in danger of not meeting, its minimum regulatory capital adequacy ratios.

Should an insured depository institution controlled by a bank holding company be “significantly undercapitalized” under the applicable federal bank capital ratios, or if the bank subsidiary is “undercapitalized” and has failed to submit an acceptable capital restoration plan or has materially failed to implement such a plan, federal banking regulators (in the case of the Bank, the FDIC) may choose to require prior Federal Reserve approval for any capital distribution by the bank holding company. For more information, see “Bank regulation: Capitalization levels and prompt corrective action.”

In addition, since our legal entity is separate and distinct from the Bank and does not conduct stand-alone operations, our ability to pay dividends depends on the ability of the Bank to pay dividends to us, which is also subject to regulatory restrictions as described below in “Bank regulation: Bank dividends.”

Under Tennessee law, we are not permitted to pay cash dividends if, after giving effect to such payment, we would not be able to pay our debts as they become due in the usual course of business or our total assets would be less than the sum of our total liabilities plus any amounts needed to satisfy any preferential rights if we were dissolving. In addition, in deciding whether or not to declare a dividend of any particular size, our board of directors must consider our current and prospective capital, liquidity, and other needs.

U.S. Basel III capital rules

In July 2013, federal banking regulators, including the Federal Reserve and the FDIC, adopted the U.S. Basel Capital Rules implementing many aspects of the Basel III Capital Standards.

The U.S. Basel III Capital Rules apply to all national and state banks and savings associations and most bank holding companies and savings and loan holding companies, which we collectively refer to herein as “covered” banking organizations. The requirements in the U.S. Basel III Capital Rules started to phase in on January 1, 2015, for many covered banking organizations, including the Company and the Bank. The requirements in the U.S. Basel III Capital Rules will be fully phased in by January 1, 2019.

The U.S. Basel III Capital Rules impose higher risk-based capital and leverage requirements than those previously in place. Specifically, the rules impose the following minimum capital requirements applicable to us and the Bank:

• a common equity Tier 1 risk-based capital ratio of 4.5%;

• a Tier 1 risk-based capital ratio of 6% (increased from the current 4% requirement);

• a total risk-based capital ratio of 8% (unchanged from current requirements); and

• a leverage ratio of 4%.

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• a new supplementary leverage ratio of 3%, resulting in a leverage ratio requirement of 7% for such institutions.

Under the U.S. Basel III Capital Rules, Tier 1 Capital is defined to include two components: common equity Tier 1 Capital and additional Tier 1 Capital. The highest form of capital, Common Equity Tier 1 Capital, or CET1 Capital, consists solely of common stock (plus related surplus), retained earnings, accumulated other comprehensive income, and limited amounts of minority interests that are in the form of common stock. Additional Tier 1 Capital includes other perpetual instruments historically included in Tier 1 Capital, such as non-cumulative perpetual preferred stock.

The rules permit bank holding companies with less than $15.0 billion in total consolidated assets, such as us, to continue to include trust-preferred securities and cumulative perpetual preferred stock issued before May 19, 2010, in Tier 1 Capital, but not in CET1 Capital, subject to certain restrictions. Tier 2 Capital consists of instruments that currently qualify in Tier 2 Capital plus instruments that the rule has disqualified from Tier 1 Capital treatment. We have outstanding trust-preferred securities, issued as debt securities. The first issue was for $21,000,000 (21,000 securities priced at $1,000 each) plus $650,000 in the related common securities, and the second issue was for $9,000,000 (9,000 securities priced at $1,000 each) plus $280,000 in the related common securities.

In addition, in order to avoid restrictions on capital distributions or discretionary bonus payments to executives, a covered banking organization must maintain a capital conservation buffer on top of its minimum risk-based capital requirements. This buffer must consist solely of Tier 1 Common Equity, but the buffer applies to all three risk-based measurements (Common Equity Tier 1, Tier 1 Capital and total capital). The capital conservation buffer will be phased in incrementally over time, becoming fully effective on January 1, 2019, and will consist of an additional amount of common equity equal to 2.5% of risk-weighted assets.

The U.S. Basel III Capital Standards require certain deductions from or adjustments to capital. As a result, deductions from CET1 Capital will be required for goodwill (net of associated deferred tax liabilities); intangible assets such as non-mortgage servicing assets and purchased credit card relationships (net of associated deferred tax liabilities); deferred tax assets that arise from net operating loss and tax credit carryforwards (net of any related valuations allowances and net of deferred tax liabilities); any gain on sale in connection with a securitization exposure; any defined benefit pension fund net asset (net of any associated deferred tax liabilities) held by a bank holding company; the aggregate amount of outstanding equity investments (including retained earnings) in financial subsidiaries; and identified losses. Other deductions are required from different levels of capital. The U.S. Basel III Capital Rules also increase the risk weight for certain assets, meaning that more capital must be held against such assets. For example, commercial real estate loans that do not meet certain new underwriting requirements must be risk-weighted at 150% rather than the current 100%.

Additionally, the U.S. Basel III Capital Standards provide for the deduction of three categories of assets: (i) deferred tax assets arising from temporary differences that cannot be realized through net operating loss carrybacks (net of related valuation allowances and of deferred tax liabilities), (ii) mortgage servicing assets (net of associated deferred tax liabilities) and (iii) investments in more than 10% of the issued and outstanding common stock of unconsolidated financial institutions (net of associated deferred tax liabilities). The amount in each category that exceeds 10% of CET1 Capital must be deducted from CET1 Capital. The remaining, non-deducted amounts are then aggregated, and the amount by which this total amount exceeds 15% of CET1 Capital must be deducted from CET1 Capital. Amounts of minority investments in consolidated subsidiaries that exceed certain limits and investments in unconsolidated financial institutions may also have to be deducted from the category of capital to which such instruments belong.

Accumulated other comprehensive income, or AOCI, is presumptively included in CET1 Capital and often would operate to reduce this category of capital. The U.S. Basel III Capital Rules provided a one-time opportunity at the end of the first quarter of 2015 for covered banking organizations to opt out of much of this treatment of AOCI. We elected to opt out. The rules also have the effect of increasing capital requirements by increasing the risk weights on certain assets, including high volatility commercial real estate, mortgage servicing rights not includable in CET1 Capital, equity exposures, and claims on securities firms, which are used in the denominator of the three risk-based capital ratios.

When fully phased in on January 1, 2019, the U.S. Basel III Capital Rules will require us and the Bank to maintain (i) a minimum ratio of CET1 Capital to risk-weighted assets of at least 4.5%, plus the 2.5% capital conservation buffer, effectively resulting in a minimum ratio of CET1 Capital to risk-weighted assets of at least 7.0%, (ii) a minimum ratio of Tier 1 Capital to risk-weighted assets of at least 6.0%, plus the capital conservation buffer, effectively resulting in a minimum Tier 1 Capital ratio of 8.5%, (iii) a minimum ratio of total capital (that is, Tier 1 plus Tier 2) to risk-weighted assets of at least 8.0%, plus the capital conservation buffer, effectively resulting in a minimum total capital ratio of 10.5% and (iv) a minimum leverage ratio of 4%, calculated as the ratio of Tier 1 Capital to average assets. Management believes that we and the Bank would meet all capital adequacy requirements under the U.S. Basel III Capital Rules on a fully phased-in basis if such requirements were currently effective.

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The U.S. Basel III Capital Rules also make important changes to the “prompt corrective action” framework discussed below in “Bank regulation: Capitalization levels and prompt corrective action.”

Restrictions on affiliate transactions

See “Bank regulation: Restrictions on transactions with affiliates” below.

Change in control

We are a bank holding company regulated by the Federal Reserve. Subject to certain exceptions, the Change in Bank Control Act, or (“CIBCA”), and its implementing regulations require that any individual or company acquiring “control” of a bank or bank holding company, either directly or indirectly, give the Federal Reserve 60 days’ prior written notice of the proposed acquisition. If within that time period the Federal Reserve has not issued a notice disapproving the proposed acquisition, extended the period for an additional period up to 90 days or requested additional information, the acquisition may proceed. An acquisition may be made before expiration of the disapproval period if the Federal Reserve issues written notice that it intends not to disapprove the acquisition. Acquisition of 25 percent or more of any class of voting securities constitutes control, and it is generally presumed for purposes of the CIBCA that the acquisition of 10 percent or more of any class of voting securities would constitute the acquisition of control, although such a presumption of control may be rebutted.

Also, under the CIBCA, the shareholdings of individuals and companies that are deemed to be “acting in concert” would be aggregated for purposes of determining whether such holders “control” a bank or bank holding company. “Acting in concert” under the CIBCA generally means knowing participation in a joint activity or parallel action towards the common goal of acquiring control of a bank or a bank holding company, whether or not pursuant to an express agreement. The manner in which this definition is applied in individual circumstances can vary and cannot always be predicted with certainty. Many factors can lead to a rebuttable presumption of acting in concert, including where: (i) the shareholders are commonly controlled or managed; (ii) the shareholders are parties to an oral or written agreement or understanding regarding the acquisition, voting or transfer of control of voting securities of a bank or bank holding company; (iii) the shareholders are immediate family members; or (iv) both a shareholder and a controlling shareholder, partner, trustee or management official of such shareholder own equity in the bank or bank holding company.

Furthermore, under the BHCA and its implementing regulations, and subject to certain exceptions, any company would be required to obtain Federal Reserve approval prior to obtaining control of a bank or bank holding company. Control under the BHCA exists where a company acquires 25 percent or more of any class of voting securities, has the ability to elect a majority of a bank holding company’s directors, is found to exercise a “controlling influence” over a bank or bank holding company’s management and policies, and in certain other circumstances. There is a presumption of non-control for any holder of less than 5% of any class of voting securities. In addition, in 2008 the Federal Reserve issued a policy statement on equity investments in banks and bank holding companies, which sets out circumstances under which a minority investor would not be deemed to control a bank or bank holding company for purposes of the BHCA. Among other things, the 2008 policy statement permits a minority investor to hold up to 24.9% (or 33.3% under certain circumstances) of the total equity (voting and non-voting combined) and have at least one representative on the company’s board of directors (with two directors permitted under certain circumstances).

Compensation and risk management

In 2010, the federal banking agencies issued guidance to regulated banks and bank holding companies intended to ensure that incentive compensation arrangements at financial organizations take into account risk and are consistent with safe and sound practices. The guidance is based on three “key principles” calling for incentive compensation plans to: appropriately balance risks and rewards; be compatible with effective controls and risk management; and be backed up by strong corporate governance. Further, in 2016 the federal banking regulators re-proposed rules that would prohibit incentive compensation arrangements that would encourage inappropriate risks by providing excessive compensation or that could lead to a material financial loss, and include certain prescribed standards for governance and risk management for incentive compensation for institutions, such as us, that have over $1 billion in consolidated assets.

Bank regulation

The Bank is a banking institution that is chartered by and headquartered in the State of Tennessee, and it is subject to supervision and regulation by the TDFI and the FDIC. The TDFI and FDIC supervise and regulate all areas of the Bank’s operations including, without limitation, the making of loans, the issuance of securities, the conduct of the Bank’s corporate affairs, the satisfaction of capital adequacy requirements, the payment of dividends, and the establishment or closing of banking offices. The FDIC is the Bank’s primary federal regulatory agency, which periodically examines the Bank’s operations and financial condition and compliance with federal consumer protection laws. In addition, the Bank’s

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deposit accounts are insured by the FDIC to the maximum extent permitted by law, and the FDIC has certain enforcement powers over the Bank.

As a state-chartered banking institution in the State of Tennessee, the Bank is empowered by statute, subject to the limitations contained in those statutes, to take and pay interest on deposits, to make loans on residential and other real estate, to make consumer and commercial loans, to invest, with certain limitations, in equity securities and in debt obligations of banks and corporations and to provide various other banking services for the benefit of the Bank’s clients. Various state consumer laws and regulations also affect the operations of the Bank, including state usury laws, consumer credit and equal credit opportunity laws, and fair credit reporting. In addition, the Federal Deposit Insurance Corporation Improvement Act of 1991, or FDICIA, generally prohibits insured state chartered institutions from conducting activities as principal that are not permitted for national banks. The Bank is also subject to various requirements and restrictions under federal and state law, including but not limited to requirements to maintain reserves against deposits, lending limits, limitations on branching activities, limitations on the types of investments that may be made, activities that may be engaged in, and types of services that may be offered. Various consumer laws and regulations also affect the operations of the Bank. Also, the Bank and certain of its subsidiaries are prohibited from engaging in certain tying arrangements in connection with extensions of credit, leases or sales of property, or furnishing products or services.

Capital adequacy

See “Holding company regulation: U.S. Basel III capital rules.”

Capitalization levels and prompt corrective action

Federal law and regulations establish a capital-based regulatory scheme designed to promote early intervention for troubled banks and require the FDIC to choose the least expensive resolution of bank failures. The capital-based regulatory framework contains five categories of regulatory capital requirements, including “well capitalized,” “adequately capitalized,” “undercapitalized,” “significantly undercapitalized,” and “critically undercapitalized.” A well-capitalized insured depository institution is one (i) having a total risk-based capital ratio of 10 percent or greater, (ii) having a Tier 1 risk-based capital ratio of 8 percent or greater, (iii) having a CET1 capital ratio of 6.5 percent or greater, (iv) having a leverage capital ratio of 5 percent or greater and (v) that is not subject to any order or written directive to meet and maintain a specific capital level for any capital measure.

Generally, a financial institution must be “well capitalized” before the Federal Reserve will approve an application by a bank holding company to acquire a bank or merge with a bank holding company, and the FDIC applies the same requirement in approving bank merger applications.

Immediately upon becoming undercapitalized, a depository institution becomes subject to the provisions of Section 38 of the Federal Deposit Insurance Act, or FDIA, which: (i) restrict payment of capital distributions and management fees; (ii) require that the appropriate federal banking agency monitor the condition of the institution and its efforts to restore its capital; (iii) require submission of a capital restoration plan; (iv) restrict the growth of the institution’s assets; and (v) require prior approval of certain expansion proposals. Bank holding companies controlling financial institutions can be called upon to boost the institutions’ capital and to partially guarantee the institutions’ performance under their capital restoration plans. The appropriate federal banking agency for an undercapitalized institution also may take any number of discretionary supervisory actions if the agency determines that any of these actions is necessary to resolve the problems of the institution at the least possible long-term cost to the deposit insurance fund, subject in certain cases to specified procedures. These discretionary supervisory actions include: (i) requiring the institution to raise additional capital; (ii) restricting transactions with affiliates; (iii) requiring divestiture of the institution or the sale of the institution to a willing purchaser; (iv) requiring the institution to change and improve its management; (iv) prohibiting the acceptance of deposits from correspondent banks; (v) requiring prior Federal Reserve approval for any capital distribution by a bank holding company controlling the institution; and (vi) any other supervisory action that the agency deems appropriate. These and additional mandatory and permissive supervisory actions may be taken with respect to significantly undercapitalized and critically undercapitalized institutions.

As of December 31, 2017, the Bank had sufficient capital to qualify as “well capitalized” under the requirements contained in the applicable regulations, policies and directives pertaining to capital adequacy, and it is unaware of any material violation or alleged material violation of these regulations, policies or directives. Rapid growth, poor loan portfolio performance, or poor earnings performance, or a combination of these factors, could change the Bank’s capital position in a relatively short period of time, making additional capital infusions necessary.

It should be noted that the minimum ratios referred to above in this section are merely guidelines, and the bank regulators possess the discretionary authority to require higher capital ratios.

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Bank reserves

The Federal Reserve requires all depository institutions, even if not members of the Federal Reserve System, to maintain reserves against some transaction accounts. The balances maintained to meet the reserve requirements imposed by the Federal Reserve may be used to satisfy liquidity requirements. An institution may borrow from the Federal Reserve Bank “discount window” as a secondary source of funds, provided that the institution meets the Federal Reserve Bank’s credit standards.

Bank dividends

The FDIC prohibits any distribution that would result in the bank being “undercapitalized” (<4% leverage ratio, <4.5% CET1 Risk-Based ratio, <6% Tier 1 Risk-Based ratio, or <8% Total Risk-Based ratio). Tennessee law places restrictions on the declaration of dividends by state chartered banks to their shareholders, including, but not limited to, that the board of directors of a Tennessee-chartered bank may only make a dividend from the surplus profits arising from the business of the bank, and may not declare dividends in any calendar year that exceeds the total of its retained net income of that year combined with its retained net income of the preceding two (2) years without the prior approval of the TDFI commissioner. Furthermore, the TDFI also has authority to prohibit the payment of dividends by a Tennessee bank when it determines such payment to be an unsafe and unsound banking practice.

Insurance of accounts and other assessments

The Bank pays deposit insurance assessments to the Deposit Insurance Fund, which is determined through a risk-based assessment system. The Bank’s deposit accounts are currently insured by the Deposit Insurance Fund, generally up to a maximum of $250,000 per separately insured depositor. The Bank pays assessments to the FDIC for such deposit insurance. Under the current assessment system, the FDIC assigns an institution to a risk category based on the institution’s most recent supervisory and capital evaluations, which are designed to measure risk. Under the FDIA, the FDIC may terminate a bank’s deposit insurance upon a finding that the institution has engaged in unsafe and unsound practices, is in an unsafe or unsound condition to continue operations, or has violated any applicable law, regulation, rule, order, agreement or condition imposed by the FDIC.

In addition, all FDIC-insured institutions are required to pay assessments to the FDIC to fund interest payments on bonds issued by the Financing Corporation, or FICO, a federal government corporation established to recapitalize the predecessor to the Savings Association Insurance Fund. FICO assessments are set quarterly and the assessment rate was .590 (annual) basis points for all four quarters in 2015, .560 (annual) basis points for all four quarters in 2016, and .520 (annual) basis points for all four quarters in 2017.  These assessments will continue until the FICO bonds mature in 2017 through 2019.

Restrictions on transactions with affiliates

The Bank is subject to sections 23A and 23B of the Federal Reserve Act, or FRA, and the Federal Reserve’s Regulation W, as made applicable to state nonmember banks by section 18(j) of the FDIA. An affiliate of a bank is any company or entity that controls, is controlled by or is under common control with the Bank, and, in our case, includes, among others, the Company as well as our Executive Chairman, James W. Ayers and the companies he controls. Accordingly, transactions between the Bank, on the one hand, and the Company or Mr. Ayers or any of his affiliates, on the other hand, will be subject to a number of restrictions, including restrictions relating to extensions of credit, contracts, leases and purchases or sale of assets. Such restrictions and limitations prevent the Company or Mr. Ayers or his affiliates from borrowing from the Bank unless the loans are secured by specified collateral of designated amounts. Furthermore, such secured loans by the Bank to the Company or Mr. Ayers and his affiliates are limited, individually, to ten percent (10%) of the Bank’s capital and surplus, and such secured loans are limited in the aggregate to twenty percent (20%) of the Bank’s capital and surplus.

All such transactions must be on terms that are no less favorable to the Bank than those that would be available from nonaffiliated third parties. Federal Reserve policies also forbid the payment by bank subsidiaries of management fees which are unreasonable in amount or exceed the fair market value of the services rendered or, if no market exists, actual costs plus a reasonable profit.

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Loans to insiders

Loans to executive officers, directors or to any person who directly or indirectly, or acting through or in concert with one or more persons, owns, controls or has the power to vote more than 10% of any class of voting securities of a bank, which the Bank refers to as “10% Shareholders,” or to any political or campaign committee the funds or services of which will benefit those executive officers, directors, or 10% Shareholders or which is controlled by those executive officers, directors or 10% Shareholders, are subject to Sections 22(g) and 22(h) of the FRA and their corresponding regulations, which are commonly referred to as Regulation O. Among other things, these loans must be made on terms substantially the same as those prevailing on transactions made to unaffiliated individuals and certain extensions of credit to those persons must first be approved in advance by a disinterested majority of the entire board of directors. Regulation O prohibits loans to any of those individuals where the aggregate amount exceeds an amount equal to 15% of an institution’s unimpaired capital and surplus plus an additional 10% of unimpaired capital and surplus in the case of loans that are fully secured by readily marketable collateral, or when the aggregate amount on all of the extensions of credit outstanding to all of these persons would exceed the Bank’s unimpaired capital and unimpaired surplus. Section 22(g) identifies limited circumstances in which the Bank is permitted to extend credit to executive officers.  

Community Reinvestment Act

The Community Reinvestment Act, or CRA, and its corresponding regulations are intended to encourage banks to help meet the credit needs of their service areas, including low and moderate-income neighborhoods, consistent with safe and sound operations. These regulations provide for regulatory assessment of a bank’s record in meeting the credit needs of its service area. Federal banking agencies are required to make public a rating of a bank’s performance under the CRA. The federal banking agencies consider a bank’s CRA rating when a bank submits an application to establish banking centers, merge, or acquire the assets and assume the liabilities of another bank. In the case of a bank holding company, the CRA performance record of all banks involved in the merger or acquisition are reviewed in connection with the filing of an application to acquire ownership or control of shares or assets of a bank or to merge with any other financial holding company. An unsatisfactory record can substantially delay, block or impose conditions on the transaction. The Bank received a satisfactory rating on its most recent CRA assessment.

Branching

The Riegle-Neal Interstate Banking and Branching Efficiency Act of 1994, or Riegle-Neal Act, provides that adequately capitalized and managed bank holding companies are permitted to acquire banks in any state. Previously, under the Riegle-Neal Act, a bank’s ability to branch into a particular state was largely dependent upon whether the state “opted in” to de novo interstate branching. Many states did not “opt-in,” which resulted in branching restrictions in those states. The Dodd-Frank Act amended the Riegle-Neal legal framework for interstate branching to permit national banks and state banks to establish branches in any state if that state would permit the establishment of the branch by a state bank chartered in that state. Under current Tennessee law, our bank may open branch offices throughout Tennessee with the prior approval of the TDFI. All branching remains subject to applicable regulatory approval and adherence to applicable legal requirements.

Anti-money laundering and economic sanctions

The USA PATRIOT Act provides the federal government with additional powers to address terrorist threats through enhanced domestic security measures, expanded surveillance powers, increased information sharing and broadened anti-money laundering requirements. By way of amendments to the BSA, the USA PATRIOT Act imposed new requirements that obligate financial institutions, such as banks, to take certain steps to control the risks associated with money laundering and terrorist financing.

Among other requirements, the USA PATRIOT Act and implementing regulations require banks to establish anti-money laundering programs that include, at a minimum:

• internal policies, procedures and controls designed to implement and maintain the bank’s compliance with all of the requirements of the USA PATRIOT Act, the BSA and related laws and regulations;

• systems and procedures for monitoring and reporting of suspicious transactions and activities;

• designated compliance officer;

• employee training;

• an independent audit function to test the anti-money laundering program;

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• procedures to verify the identity of each client upon the opening of accounts; and

• heightened due diligence policies, procedures and controls applicable to certain foreign accounts and relationships.

Additionally, the USA PATRIOT Act requires each financial institution to develop a customer identification program (“CIP”) as part of the Bank’s anti-money laundering program. The key components of the CIP are identification, verification, government list comparison, notice and record retention. The purpose of the CIP is to enable the financial institution to determine the true identity and anticipated account activity of each client. To make this determination, among other things, the financial institution must collect certain information from clients at the time they enter into the client relationship with the financial institution. This information must be verified within a reasonable time through documentary and non-documentary methods. Furthermore, all clients must be screened against any CIP-related government lists of known or suspected terrorists. Financial institutions are also required to comply with various reporting and recordkeeping requirements. The Federal Reserve and the FDIC consider an applicant’s effectiveness in combating money laundering, among other factors, in connection with an application to approve a bank merger or acquisition of control of a bank or bank holding company.

Likewise, the U.S. Department of the Treasury’s Office of Foreign Assets Control, or OFAC, is responsible for helping to ensure that United States entities do not engage in transactions with the subjects of U.S. sanctions, as defined by various Executive Orders and Acts of Congress. Currently, OFAC administers and enforces comprehensive U.S. economic sanctions programs against certain specified countries/regions. In addition to the country/region-wide sanctions programs, OFAC also administers complete embargoes against individuals and entities identified on OFAC’s list of Specially Designated Nationals and Blocked Persons (“SDN List”). The SDN List includes over 7000 parties that are located in many jurisdictions throughout the world, including in the United States and Europe. The Bank is responsible for determining whether any potential and/or existing clients appear on the SDN List or are owned or controlled by a person on the SDN List. If any client appears on the SDN List or is owned or controlled by a person or entity on the SDN List, such client’s account must be placed on hold and a blocking or rejection report, as appropriate and if required, must be filed within 10 business days with OFAC. In addition, if a client is a citizen of, has provided an address in, or is organized under the laws of any country or region for which OFAC maintains a comprehensive sanctions program, the Bank must take certain actions with respect to such clients as dictated under the relevant OFAC sanctions program. The Bank must maintain compliance with OFAC by implementing appropriate policies and procedures and by establishing a recordkeeping system that is reasonably appropriate to administer the Bank’s compliance program. The Bank has adopted policies, procedures and controls to comply with the BSA, the USA PATRIOT Act and OFAC regulations.

Regulatory enforcement authority

Federal and state banking laws grant substantial enforcement powers to federal and state banking regulators. This enforcement authority includes, among other things, the ability to assess civil money penalties, to issue cease and desist or removal orders and to initiate injunctive actions against banking organizations and “institution-affiliated parties,” such as management, employees and agents. In general, these enforcement actions may be initiated for violations of laws, regulations and orders of regulatory authorities, or unsafe or unsound practices. Other actions or inactions, including filing false, misleading or untimely reports with regulatory authorities, may provide the basis for enforcement action. When issued by a banking regulator, cease-and-desist and similar orders may, among other things, require affirmative action to correct any harm resulting from a violation or practice, including restitution, reimbursement, indemnifications or guarantees against loss. A bank may also be ordered to restrict its growth, dispose of certain assets, rescind agreements or contracts, or take other actions determined to be appropriate by the ordering regulatory agency.

Federal home loan bank system

The Bank is a member of the Federal Home Loan Bank of Cincinnati, which is one of 12 regional Federal Home Loan Banks (“FHLBs”). Each FHLB serves as a reserve or central bank for its members within its assigned region. It is funded primarily from funds deposited by member institutions and proceeds from the sale of consolidated obligations of the FHLB system. It makes loans to members (i.e., advances) in accordance with policies and procedures established by the board of directors of the FHLB.

As a member of the FHLB of Cincinnati, the Bank is required to own capital stock in the FHLB in an amount generally at least equal to 0.20% (or 20 basis points) of the Bank’s total assets at the end of each calendar year, plus 4.5% of its outstanding advances (borrowings) from the FHLB of Cincinnati under the activity-based stock ownership requirement. These requirements are subject to adjustment from time to time. On December 31, 2017, the Bank was in compliance with this requirement.

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Privacy and data security

Under the GLBA, federal banking regulators adopted rules limiting the ability of banks and other financial institutions to disclose nonpublic information about consumers to nonaffiliated third parties. The rules require disclosure of privacy policies to consumers and, in some circumstances, allow consumers to prevent disclosure of certain personal information to nonaffiliated third parties. The GLBA also directed federal regulators, including the FDIC, to prescribe standards for the security of consumer information. The Bank is subject to such standards, as well as standards for notifying clients in the event of a security breach.

Consumer laws and regulations

The Bank is also subject to other federal and state consumer laws and regulations that are designed to protect consumers in transactions with banks. While the list set forth below is not exhaustive, these laws and regulations include the Truth in Lending Act, the Truth in Savings Act, the Electronic Funds Transfer Act, the Expedited Funds Availability Act, the Check Clearing for the 21st Century Act, the Fair Credit Reporting Act, the Fair Debt Collection Practices Act, the Equal Credit Opportunity Act, the Fair Housing Act, the Home Mortgage Disclosure Act, the Fair and Accurate Transactions Act, the Servicemembers Civil Relief Act, the Military Lending Act, the Mortgage Disclosure Improvement Act, and the Real Estate Settlement Procedures Act, among others. These laws and regulations mandate certain disclosure requirements and regulate the manner in which financial institutions must deal with consumers when offering consumer financial products and services.

Rulemaking authority for these and other consumer financial protection laws transferred from the prudential regulators to the CFPB on July 21, 2011. In some cases, regulators such as the Federal Trade Commission and the U.S. Department of Justice also retain certain rulemaking or enforcement authority. The CFPB also has broad authority to prohibit unfair, deceptive and abusive acts and practices (“UDAAP”), and to investigate and penalize financial institutions that violate this prohibition. While the statutory language of the Dodd-Frank Act sets forth the standards for acts and practices that violate the prohibition on UDAAP, certain aspects of these standards are untested, and thus it is currently not possible to predict how the CFPB will exercise this authority. In addition, consumer compliance examination authority remains with the prudential regulators for smaller depository institutions ($10 billion or less in total assets).

The Dodd-Frank Act also authorized the CFPB to establish certain minimum standards for the origination of residential mortgages, including a determination of the borrower’s ability to repay. Under the Dodd-Frank Act, financial institutions may not make a residential mortgage loan unless they make a “reasonable and good faith determination” that the consumer has a “reasonable ability” to repay the loan. The act allows borrowers to raise certain defenses to foreclosure but provides a full or partial safe harbor from such defenses for loans that are “qualified mortgages.” On January 10, 2013, the CFPB published final rules to, among other things, specify the types of income and assets that may be considered in the ability-to-repay determination, the permissible sources for verification, and the required methods of calculating the loan’s monthly payments. Since then the CFPB made certain modifications to these rules. The rules extend the requirement that creditors verify and document a borrower’s “income and assets” to include all “information” that creditors rely on in determining repayment ability. The rules also provide further examples of third-party documents that may be relied on for such verification, such as government records and check-cashing or funds-transfer service receipts. The new rules were effective beginning on January 10, 2014. The rules also define “qualified mortgages,” imposing both underwriting standards—for example, a borrower’s debt-to-income ratio may not exceed 43%—and limits on the terms of their loans. Points and fees are subject to a relatively stringent cap, and the terms include a wide array of payments that may be made in the course of closing a loan. Certain loans, including interest-only loans and negative amortization loans, cannot be qualified mortgages.

Other Dodd-Frank Act reforms

Volcker Rule

The Volcker Rule generally prohibits a “banking entity” (which includes any insured depository institution, such as the Bank, or any affiliate or subsidiary of such depository institution, such as the Company) from (i) engaging in proprietary trading and (ii) acquiring or retaining any ownership interest in, sponsoring, or engaging in certain transactions with, a “covered fund”. Both the proprietary trading and covered fund-related prohibitions are subject to a number of exemptions and exclusions. The final regulations contain exemptions for, among others, market making, risk-mitigating hedging, underwriting, and trading in U.S. government and agency obligations and also permit certain ownership interests in certain types of funds to be retained. They also permit the offering and sponsoring of funds under certain conditions. In addition, the final regulations impose significant compliance and reporting obligations on banking entities.

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Banking entities were required to conform their proprietary trading activities and investments in and relationships with covered funds that were in place after December 31, 2013 by July 21, 2015. For those banking entities whose investments in and relationships with covered funds were in place prior to December 31, 2013 (“legacy covered funds”), the Volcker Rule conformance period was recently extended by the Federal Reserve to July 21, 2017 for such legacy covered funds. In addition, the Federal Reserve has also indicated its intention to grant two additional one-year extensions of the conformance period to July 21, 2017, for banking entities to conform ownership interests in and sponsorship of activities of collateralized loan obligations, or CLOs, that are backed in part by non-loan assets and that were in place as of December 31, 2013.

Executive compensation and corporate governance

The Dodd-Frank Act requires public companies to include, at least once every three years, a separate non-binding “say on pay” vote in their proxy statement by which shareholders may vote on the compensation of the public company’s named executive officers. In addition, if such public companies are involved in a merger, acquisition, or consolidation, or if they propose to sell or dispose of all or substantially all of their assets, shareholders have a right to an advisory vote on any golden parachute arrangements in connection with such transaction (frequently referred to as “say-on-golden parachute” vote). Other provisions of the act may impact our corporate governance. For instance, the act requires the SEC to adopt rules prohibiting the listing of any equity security of a company that does not have an independent compensation committee; and requiring all exchange-traded companies to adopt clawback policies for incentive compensation paid to executive officers in the event of accounting restatements based on material non-compliance with financial reporting requirements.

Future legislative developments

Various legislative acts are from time to time introduced in Congress and the Tennessee legislature. This legislation may change banking statutes and the environment in which we operate in substantial and unpredictable ways. We cannot determine the ultimate effect that potential legislation, if enacted, or implementing regulations and interpretations with respect thereto, would have our financial condition or results of operations.

Available Information

Our website address is www.firstbankonline.com. We file or furnish to the SEC Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, proxy statements and annual reports to shareholders, and from time to time, amendments to these documents and other documents called for by the SEC. The reports and other documents filed with or furnished to the SEC are available to investors on or through our website at investors.firstbankonline.com under the heading “Stock & Filings” and then under “SEC Filings.” These reports are available on our website free of charge as soon as reasonably practicable after we electronically file them with the SEC.

In addition to our website, you may read and copy any of the materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, DC 20549. You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. The SEC maintains an internet site that contains our reports, proxy and information statements and other information we file electronically with the SEC at www.sec.gov.

ITEM 1A - Risk Factors

Our operations and financial results are subject to various risks and uncertainties, including, but not limited, to the material risks described below.  Many of these risks are beyond our control although efforts are made to manage those risks while simultaneously optimizing operational and financial results.  The occurrence of any of the following risks, as well as risks of which we are currently unaware or currently deem immaterial, could materially and adversely affect our assets, business, cash flows, condition (financial or otherwise), liquidity, prospects, results of operations and the trading price of our common stock. It is impossible to predict or identify all such factors and, as a result, you should not consider the following factors to be a complete discussion of the risks, uncertainties and assumptions that could materially and adversely affect our assets, business, cash flows, condition (financial or otherwise), liquidity, prospects, results of operations and the trading price of our common stock.

In addition, certain statements in the following risk factors constitute forward-looking statements. Please refer to the section entitled “Cautionary note regarding forward-looking statements” beginning on page 2of this Annual Report.

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Risks related to our business

Our business concentration in Tennessee imposes risks resulting from any regional or local economic downturn affecting Tennessee.

We conduct our banking operations primarily in Tennessee. As of December 31, 2017, approximately 77%of our loans and approximately 88% of our deposits were made to borrowers or received from depositors who live and/or primarily conduct business in Tennessee. Therefore, our success will depend in large part upon the general economic conditions in this area, which we cannot predict with certainty.

This geographic concentration imposes risks from lack of geographic diversification, as adverse economic developments in Tennessee (including the Nashville MSA, our largest market), among other things, could affect the volume of loan originations, increase the level of nonperforming assets, increase the rate of foreclosure losses on loans, reduce the value of our loans and loan servicing portfolio, reduce the value of the collateral securing our loans and reduce the amount of our deposits. Any regional or local economic downturn that affects Tennessee or existing or prospective borrowers, depositors or property values in this area may affect us and our profitability more significantly and more adversely than our competitors whose operations are less geographically concentrated.

We face strong competition from financial services companies and other companies that offer banking services.

We conduct our banking operations primarily in Tennessee, with our largest market being the Nashville MSA, which is a highly competitive banking market. Many of our competitors offer the same, or a wider variety of, banking services within our market areas, and we compete with them for the same customers. These competitors include banks with nationwide operations, regional banks and community banks. In many instances these national and regional banks have greater resources than we do, and the smaller community banks may have stronger ties in local markets than we do, which may put us at a competitive disadvantage. We also face competition from many other types of financial institutions, including thrift institutions, finance companies, brokerage firms, insurance companies, credit unions, mortgage banks and other financial intermediaries. In addition, a number of out-of-state financial institutions have opened offices and solicit deposits in our market areas. Increased competition in our markets may result in reduced loans and deposits, as well as reduced net interest margin and profitability. If we are unable to attract and retain banking customers, we may be unable to continue to grow our loan and deposit portfolios, and our business, financial condition or results of operations may be adversely affected.

Further, a number of larger banks have recently entered the Nashville MSA, and we believe this trend will continue as banks look to gain a foothold in this growing market. This trend will likely result in greater competition in, and may impair our ability to grow our share of, our largest market.

If we do not effectively manage our asset quality and credit risk, we could experience loan losses.

Making any loan involves various risks, including risks inherent in dealing with individual borrowers, risks of nonpayment, risks resulting from uncertainties as to the future value of collateral and cash flows available to service debt, and risks resulting from changes in economic and market conditions. Our credit risk approval and monitoring procedures may fail to identify or reduce these credit risks, and they cannot completely eliminate all credit risks related to our loan portfolio. If the overall economic climate, including employment rates, real estate markets, interest rates and general economic growth, in the United States, generally, or Tennessee (particularly the Nashville MSA), specifically, experiences material disruption, our borrowers may experience difficulties in repaying their loans, the collateral we hold may decrease in value or become illiquid, and the levels of nonperforming loans, charge-offs and delinquencies could rise and require additional provisions for loan losses, which would cause our net income and return on equity to decrease.

Our provision and allowance for credit losses may not be adequate to cover actual credit losses.

We make various assumptions and judgments about the collectability of our loan and lease portfolio and utilize these assumptions and judgments when determining the provision and allowance for credit losses. The determination of the appropriate level of the provision for credit losses inherently involves a high degree of subjectivity and requires us to make significant estimates of current credit risks and future trends, all of which may undergo material changes. Deterioration in economic conditions affecting borrowers, new information regarding existing loans, identification of additional problem loans and other factors, both within and outside of our control, may require an increase in the amount reserved in the allowance for credit losses. In addition, bank regulatory agencies periodically review our provision and the total allowance for credit losses and may require an increase in the allowance for credit losses or future provisions for credit losses, based on judgments different than those of management. Any increases in the provision or allowance for credit losses will result in a decrease in our net income and, potentially, capital, and may have a material adverse effect on our financial condition or results of operations.

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Because a significant portion of our loan portfolio is comprised of real estate loans, negative changes in the economy affecting real estate values and liquidity could impair the value of collateral securing our real estate loans and result in loan and other losses.

As of December 31, 2017, approximately 73%of our loan portfolio was comprised of loans with real estate as a primary or secondary component of collateral. This includes collateral consisting of income producing and residential construction properties, which properties tend to be more sensitive to general economic conditions and downturns in real estate markets. As a result, adverse developments affecting real estate values in our market areas could increase the credit risk associated with our real estate loan portfolio. Adverse changes affecting real estate values and the liquidity of real estate in one or more of our markets could increase the credit risk associated with our loan portfolio and could result in losses that would adversely affect credit quality and our financial condition or results of operations. These adverse changes could significantly impair the value of property pledged as collateral to secure the loans and affect our ability to sell the collateral upon foreclosure without a loss or additional losses.  If real estate values decline, it is also more likely that we would be required to increase our allowance for loan losses. Thus, declines in the value of real estate collateral could adversely affect our financial condition, results of operations or cash flows.

We are exposed to higher credit risk by commercial real estate, commercial and industrial, and construction based lending.

Commercial real estate, commercial and industrial, and construction based lending usually involves higher credit risks than 1-4 family residential real estate lending. As of December 31, 2017, the following loan types accounted for the stated percentages of our loan portfolio: commercial real estate (both owner-occupied and non-owner occupied) - 33%; commercial and industrial - 23%; and construction - 14%. These loans expose us to greater credit risk than loans secured by other types of collateral because the collateral securing these loans is typically more difficult to liquidate. Additionally, these types of loans also often involve larger loan balances to a single borrower or groups of related borrowers. These higher credit risks are further heightened when the loans are concentrated in a small number of larger borrowers leading to relationship exposure.

Non-owner occupied commercial real estate loans may be affected to a greater extent than residential loans by adverse conditions in real estate markets or the economy because commercial real estate borrowers’ ability to repay their loans depends on successful development of their properties. These loans also involve greater risk because they generally are not fully amortizing over the loan period, and therefore have a balloon payment due at maturity. A borrower’s ability to make a balloon payment typically will depend on being able to either refinance the loan or sell the underlying property in a timely manner. In addition, banking regulators have been giving commercial real estate lending greater scrutiny, and may require banks with higher levels of commercial real estate loans to implement improved underwriting, internal controls, risk management policies and portfolio stress testing, as well as possibly higher levels of allowances for losses and capital levels as a result of commercial real estate lending growth and exposures.

Commercial and industrial loans and owner-occupied commercial real estate loans are typically based on the borrowers’ ability to repay the loans from the cash flow of their businesses. These loans may involve greater risk because the availability of funds to repay each loan depends substantially on the success of the business itself. In addition, the assets securing the loans depreciate over time, are difficult to appraise and liquidate, and fluctuate in value based on the success of the business.

Risk of loss on a construction loan depends largely upon whether our initial estimate of the property’s value at completion of construction or development equals or exceeds the cost of the property construction or development (including interest), the availability of permanent take-out financing and the builder’s ability to sell the property. During the construction or development phase, a number of factors can result in delays and cost overruns. If estimates of value are inaccurate or if actual construction costs exceed estimates, the value of the property securing the loan may be insufficient to ensure full repayment when completed through a permanent loan or by foreclosure on collateral.

Commercial real estate loans, commercial and industrial loans, and construction loans are more susceptible to a risk of loss during a downturn in the business cycle due to the vulnerability of these sectors during a downturn. Our underwriting, review and monitoring cannot eliminate all of the risks related to these loans.

We also make both secured and unsecured loans to our commercial customers. Unsecured loans generally involve a higher degree of risk of loss than secured loans because, without collateral, repayment is wholly dependent upon the success of the borrowers’ businesses. Because of this lack of collateral, we are limited in our ability to collect on defaulted unsecured loans. Further, the collateral that secures our secured commercial and industrial loans typically includes inventory, accounts receivable and equipment, which usually have a value that is insufficient to satisfy the loan without a loss if the business does not succeed.

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Our loan concentration in these sectors and their higher credit risk could lead to increased losses on these loans, which could have a material adverse effect on our financial condition, results of operations or cash flows.

We are exposed to higher credit risk due to relationship exposure with a number of large borrowers.

As of December 31, 2017, we had 43borrowing relationships in excess of $10 million which accounted for approximately 19%of our loan portfolio. While we are not overlydependent on any one of these relationships and while none of these large relationships have directly impacted our allowance for loan losses in the past, a deterioration of any of these large credits could require us to increase our allowance for loan losses or result in significant losses to us, which could have a material adverse effect on our financial condition, results of operations or cash flows.

We make loans to small-to-medium sized businesses that may not have the resources to weather a downturn in the economy.

We make loans to privately-owned businesses, many of which are considered to be small to medium-sized businesses. Small to medium-sized businesses frequently have smaller market share than their competition, may be more vulnerable to economic downturns, often need substantial additional capital to expand or compete and may experience significant volatility in operating results. Any one or more of these factors may impair the borrower’s ability to repay a loan. In addition, the success of a small to medium-sized business often depends on the management talents and efforts of one or two persons or a small group of persons, and the death, disability or resignation of one or more of these persons could have a material adverse impact on the business and its ability to repay a loan. Economic downturns, a sustained decline in commodity prices and other events that negatively impact small businesses in our market areas could cause us to incur substantial credit losses that could negatively affect our results of operations or financial condition.

We may be materially and adversely affected by the creditworthiness and liquidity of other financial institutions.

Financial services institutions are interrelated as a result of trading, clearing, counterparty, or other relationships. We have exposure to many different industries and counterparties, and routinely execute transactions with counterparties in the financial services industry, including commercial banks, brokers and dealers, investment banks and other institutional customers. Many of these transactions expose us to credit risk in the event of a default by, or questions or concerns about the creditworthiness of, a counterparty or client, or concerns about the financial services industry generally. In addition, our credit risk may be exacerbated when the collateral held by us cannot be realized upon or is liquidated at prices not sufficient to recover the full amount of the credit or derivative exposure due to us. Any such losses could have a material adverse effect on us.

A lack of liquidity could adversely affect our operations and jeopardize our liquidity, business, financial condition or results of operations.

We rely on our ability to generate deposits and effectively manage the repayment and maturity schedules of our loans and investment securities to ensure that we have adequate liquidity to fund our operations. In addition to our traditional funding sources, we also may borrow funds from third-party lenders or issue equity or debt securities to investors. Our access to funding sources in amounts adequate to finance or capitalize our activities, or on terms that are acceptable to us, could be impaired by factors that affect us directly or the financial services industry or economy in general, such as disruptions in the financial markets or negative views and expectations about the prospects for the financial services industry. Our liquidity may also be adversely impacted if there is a decline in our mortgage revenues from higher prevailing interest rates. Any decline in available funding could adversely impact our ability to originate loans, invest in securities, meet our expenses, pay dividends to our shareholders, or to fulfill obligations such as repaying our borrowings or meeting deposit withdrawal demands, any of which could have a material adverse impact on our liquidity, business, financial condition or results of operations.

We may not be able to meet our unfunded credit commitments, or adequately reserve for losses associated with our unfunded credit commitments.

A commitment to extend credit is a formal agreement to lend funds to a client as long as there is no violation of any condition established under the agreement. The actual borrowing needs of our customers under these credit commitments have historically been lower than the contractual amount of the commitments. A significant portion of these commitments expire without being drawn upon. Because of the credit profile of our customers, we typically have a substantial amount of total unfunded credit commitments, which is not reflected on our balance sheet. Actual borrowing needs of our customers may exceed our expected funding requirements, especially during a challenging economic environment when our client companies may be more dependent on our credit commitments due to the lack of available credit elsewhere, the increasing costs of credit, or the limited availability of financings from other sources. Any failure to meet our unfunded credit commitments in accordance with the actual borrowing needs of our customers may have a material adverse effect on our business, financial condition, results of operations or reputation.

Changes in interest rates could have an adverse impact on our results of operations and financial condition.

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Our earnings and financial condition are dependent to a large degree upon net interest income, which is the difference, or spread, between interest earned on loans, securities and other interest-earning assets and interest paid on deposits, borrowings and other interest-bearing liabilities. When market rates of interest change, the interest we receive on our assets and the interest we pay on our liabilities may fluctuate. This may cause decreases in our spread and may adversely affect our earnings and financial condition.

Interest rates are highly sensitive to many factors including, without limitation:

•The rate of inflation;

•Economic conditions;

•Federal monetary policies; and

•Stability of domestic and foreign markets.

Although we have implemented procedures we believe will reduce the potential effects of changes in interest rates on our net interest income, these procedures may not always be successful. Accordingly, changes in levels of market interest rates could materially and adversely affect our net interest income and our net interest margin, asset quality, loan and lease origination volume, liquidity or overall profitability.

If we are unable to grow our noninterest income, our growth prospects will be impaired.

Taking advantage of opportunities to develop new, and expand existing, streams of noninterest income, including our mortgage business, cash management services, investment services and interchange fees, is a part of our long-term growth strategy. If we are unsuccessful in our attempts to grow our noninterest income, especially in light of the expected decline in mortgage revenues, our long-term growth will be impaired. Further, focusing on these noninterest income streams may divert management’s attention and resources away from our core banking business, which could impair our core business, financial condition and operating results. We also derive a meaningful amount of our noninterest income from non-sufficient funds and overdraft fees, and such fees are subject to increased regulatory scrutiny, which could result in an erosion of such fees, and as a result, materially impair our future noninterest income.

Our recent results may not be indicative of our future results.

We may not be able to grow our business at the same rate of growth achieved in recent years or even grow our business at all.  In the future, we may not have the benefit of several factors that have been favorable to the growth of our business in past years, such as an interest rate environment where changes in rates occur at a relatively orderly and modest pace and the ability to find suitable expansion opportunities and acquisition targets. Numerous factors, such as weakening or deteriorating economic conditions, regulatory and legislative considerations, and competition may impede or restrict our ability to expand our market presence and build our franchise.  Even if we are able to grow our business, we may fail to build the infrastructure sufficient to support such growth, suffer loan losses in excess of reserves for such losses or experience other risks associated with growth.

Our future success is largely dependent upon our ability to successfully execute our business strategy.

Our future success, including our ability to achieve our growth and profitability goals, is dependent on the ability of our management team to execute on our long-term business strategy, which requires them to, among other things:

• maintain and enhance our reputation;

• attract and retain experienced and talented bankers in each of our markets;

• maintain adequate funding sources, including by continuing to attract stable, low-cost deposits;

• enhance our market penetration in our metropolitan markets and maintain our leadership position in our community markets;

• improve our operating efficiency;

• implement new technologies to enhance the client experience and keep pace with our competitors;

• identify attractive acquisition targets, close on such acquisitions on favorable terms and successfully integrate acquired businesses;

• attract and maintain business banking relationships with well-qualified businesses, real estate developers and investors with proven track records in our market areas;

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• attract sufficient loans that meet prudent credit standards;

• originate conforming residential mortgage loans for resale into secondary markets to provide mortgage banking income;

• maintain adequate liquidity and regulatory capital and comply with applicable federal and state banking laws and regulations;

• manage our credit, interest rate and liquidity risk;

• develop new, and grow our existing, streams of noninterest income;

• oversee the performance of third-party vendors that provide material services to our business; and

• control expenses in line with their current projections.

Failure of management to execute our business strategy could negatively impact our business, growth prospects, financial condition or results of operations. Further, if we do not manage our growth effectively, our business, financial condition, results of operations and future prospects could be negatively affected, and we may not be able to continue to implement our business strategy and successfully conduct our operations.

We follow a relationship-based operating model, and our ability to maintain our reputation is critical to the success of our business.

We are a community bank, and our reputation is one of the most valuable components of our business. As such, we strive to conduct our business in a manner that enhances our reputation. This is done, in part, by recruiting, hiring and retaining bankers and other associates who share our core values of being an integral part of the communities we serve, delivering superior service to our customers and caring about our customers and associates. Further, maintaining our reputation also depends on our ability to protect our brand and associated intellectual property. If our reputation is negatively affected by the actions of our associates or otherwise, our business and, therefore, our operating results may be materially and adversely affected.

We depend on our executive officers and other key individuals to continue the implementation of our long-term business strategy and could be harmed by the loss of their services and our inability to make up for such loss with qualified replacements.

We believe that our continued growth and future success will depend in large part on the skills of our senior management team and our ability to motivate and retain these individuals and other key individuals. The loss of any member of our senior management team could reduce our ability to successfully implement our long-term business strategy, our business could suffer and the value of our common stock could be materially and adversely affected.

The success of our operating model is largely dependent on our ability to attract and retain talented bankers in each of our markets.

We strive to attract and retain talented bankers in each of our markets by fostering an entrepreneurial environment, empowering them with local decision making authority and providing them with sufficient infrastructure and resources to support their growth while also providing management with appropriate oversight. However, the competition for bankers in each of our markets is intense. We compete for talent with both smaller banks that may be able to offer bankers more responsibility, autonomy and local relationships and larger banks that may be able to offer bankers higher compensation, resources and support. As a result, we may not be able to effectively compete for talent across our markets. Further, our bankers may leave us to work for our competitors and, in some instances, may take important banking relationships with them. If we are unable to attract and retain talented bankers in our markets, our business, growth prospects or financial results could be materially and adversely affected.

We may fail to realize all of the anticipated benefits from previously acquired financial institutions or institutions that we may acquire in the future, or those benefits may take longer to realize than expected. We may also encounter significant difficulties in integrating financial institutions that we acquire.

Our ability to realize the anticipated benefits of any acquisition of other financial institutions, bank branches and/or mortgage operations in target markets will depend, to a large extent, on our ability to successfully integrate the acquired businesses. Such an acquisition strategy will involve significant risks, including the following:

• finding suitable markets for expansion;

• finding suitable candidates for acquisition;

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• finding suitable financing sources to fund acquisitions;

• attracting and retaining qualified management;

• maintaining adequate regulatory capital;

• obtaining federal and state regulatory approvals; and

• closing on suitable acquisitions on terms that are favorable to us.

The integration and combination of the acquired businesses is a complex, costly and time-consuming process. As a result, we may be required to devote significant management attention and resources to integrating business practices and operations. The integration process may disrupt our business and the business of the acquired bank and, if implemented ineffectively, would restrict the full realization of the anticipated benefits of the acquisition. The failure to meet the challenges involved in integrating acquired businesses and to fully realize the anticipated benefits of acquisitions could adversely impact our business, financial condition or results of operations.

 Our lending limit may restrict our growth and prevent us from effectively implementing our business strategy.

We are limited by law in the amount we can loan in the aggregate to a single borrower or related borrowers by the amount of our capital. Tennessee’s legal lending limit is intended to prevent one person or a relatively small and economically related group of persons from borrowing an unduly large amount of a bank’s funds. It is also intended to safeguard a bank’s depositors by diversifying the risk of loan losses among a relatively large number of creditworthy borrowers engaged in various types of businesses. Based upon our capitalization at December 31, 2017, our legal lending limits were approximately $66million (15% of capital and surplus) and $111 million (25% of capital and surplus). Therefore, based upon our current capital levels, the amount we may lend may be significantly less than that of many of our larger competitors and may discourage potential borrowers who have credit needs in excess of our lending limit from doing business with us. We may accommodate larger loans by selling participations in those loans to other financial institutions, but this strategy may not always be available. In addition to these legally imposed lending limits, we also employ appropriate limits on our overall loan portfolio and requirements with respect to certain types of lending and individual lending relationships. If we are unable to compete effectively for loans from our target customers, we may not be able to effectively implement our business strategy, which could have a material adverse effect on our business, financial condition, results of operations or prospects.

Our funding sources may prove insufficient to support our future growth.

Deposits, cash flows from operations (including from our mortgage business) and investment securities for sale are the primary sources of funds for our lending activities and general business purposes. However, from time to time we also obtain advances from the Federal Home Loan Bank, purchase federal funds, engage in overnight borrowing from the Federal Reserve and correspondent banks and sell loans. While we believe our current funding sources to be adequate, our future growth may be severely constrained if we are unable to maintain our access to funding or if adequate financing is not available on acceptable terms to accommodate future growth, which could have a material adverse effect on our financial condition, results of operations or cash flows.

The performance of our investment securities portfolio is subject to fluctuation due to changes in interest rates and market conditions, including credit deterioration of the issuers of individual securities.

Changes in interest rates may negatively affect both the returns on and market value of our investment securities. Interest rate volatility can reduce unrealized gains or increase unrealized losses in our portfolio. Interest rates are highly sensitive to many factors including monetary policies, domestic and international economic and political issues, and other factors beyond our control. Additionally, actual investment income and cash flows from investment securities that carry prepayment risk, such as mortgage-backed securities and callable securities, may materially differ from those anticipated at the time of investment or subsequently as a result of changes in interest rates and market conditions. These occurrences could have a material adverse effect on our net interest income or our results of operations.

Decreased residential mortgage origination volume and pricing decisions of competitors may adversely affect our profitability.

Our mortgage operation originates and sells residential mortgage loans, services residential mortgage loans, and provides third-party origination services to other community banks and mortgage companies. Changes in interest rates, housing prices, applicable government regulations and pricing decisions by our loan competitors may adversely affect demand for our residential mortgage loan products, the revenue realized on the sale of loans, the revenues received from servicing such loans for others and, ultimately, reduce our net income. New regulations, increased regulatory reviews, and/or changes in the structure of the secondary mortgage markets which we utilize to sell mortgage loans may increase costs and make it more difficult to operate a residential mortgage origination business. Our revenue from the mortgage banking

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business was $116.9 million in 2017. This revenue could significantly decline in future periods if interest rates were to continue rising and the other risks highlighted in this paragraph were realized, which may adversely affect our profitability.

Our mortgage banking profitability could significantly decline if we are not able to originate and resell a high volume of mortgage loans and securities.

Mortgage production, especially refinancing activity, declines in rising interest rate environments. Our mortgage origination volume could be materially and adversely affected by rising interest rates. We expect to see declining origination volume in 2018 across the industry.  Moreover, when interest rates increase further, there can be no assurance that our mortgage production will continue at current levels. Further, nearly half of our mortgages are originated through our consumer direct internet delivery channel, which targets national customers. As a result, loan originations through this channel are particularly susceptible to the interest rate environment and the national housing market. Because we sell a substantial portion of the mortgage loans we originate, the profitability of our mortgage banking business also depends in large part on our ability to aggregate a high volume of loans and sell them in the secondary market at a gain. In fact, as rates rise, we expect increasing industry-wide competitive pressures related to changing market conditions to reduce our pricing margins and mortgage revenues generally. If our level of mortgage production declines, our continued profitability will depend upon our ability to reduce our costs commensurate with the reduction of revenue from our mortgage operations. If we are unable to do so, our continued profitability may be materially and adversely affected.

We may incur costs, liabilities, fines and other sanctions if we fail to satisfy our mortgage loan servicing obligations.

We act as servicer for approximately $6.5 billion of mortgage loans owned by third parties as of December 31, 2017. As a servicer for those loans, we have certain contractual obligations to third parties. If we commit a material breach of our obligations as servicer, we may be subject to termination if the breach is not cured within a specified period of time following notice, causing us to lose servicing income. For certain investors and/or transactions, we may be contractually obligated to repurchase a mortgage loan or reimburse the investor for credit losses incurred on the loan as a remedy for origination errors with respect to the loan. If we have increased repurchase obligations because of claims that we did not satisfy our obligations as a servicer, or if we have increased loss severity on such repurchases, we may have a significant reduction to net servicing income within our mortgage banking noninterest income. In addition, we may be subject to fines and other sanctions imposed by federal or state regulators as a result of actual or perceived deficiencies in our foreclosure practices. Any of these actions may harm our reputation or negatively affect our residential lending or servicing business and, as a result, our profitability.

We may be required to repurchase mortgage loans or indemnify buyers against losses in some circumstances.

In 2017, we sold nearly all of the $6.3 billion of mortgage loans held for sale that we originated and purchased. When mortgage loans are sold, whether as whole loans or pursuant to a securitization, we are required to make customary representations and warranties to purchasers, guarantors and insurers about the mortgage loans and the manner in which they were originated. We may be required to repurchase or substitute mortgage loans, or indemnify buyers against losses, in the event we breach certain representations or warranties in connection with the sale of such loans. If repurchase and indemnity demands increase, are valid claims and are in excess of our provision for potential losses, our liquidity, results of operations or financial condition may be materially and adversely affected.

We depend on third-party service providers in the operation of our business.

We depend on a third-party service providers in the operation of our business.  In particular, we have engaged one such third party, Cenlar, to provide servicing of our mortgage loan business. In the event that this service provider, or any other third-party service provider that we may use in the future, fails to perform its servicing duties or performs those duties inadequately, we could experience a temporary interruption in collecting principal and interest on mortgage loans, sustain credit losses on our loans or incur additional costs to obtain a replacement servicer. There can be no assurance that a replacement servicer could be retained in a timely manner or at similar rates. Further, our servicing rights could be terminated or we may be required to repurchase mortgage loans or reimburse investors as a result of such failures of our third-party service providers, any of which could adversely affect our reputation, results of operations or financial condition.

We also receive core systems processing, essential web hosting and other Internet systems, deposit processing and other processing services from third-party service providers. If these third-party service providers experience difficulties, or terminate their services, and we are unable to replace them with other service providers, particularly on a timely basis, our operations could be interrupted. If an interruption were to continue for a significant period of time, our business, financial condition or results of operations could be adversely affected, perhaps materially. Even if we are able to replace third-

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party service providers, it may be at a higher cost to us, which could adversely affect our business, financial condition or results of operations.

Our risk management framework may not be effective in mitigating risks and/or losses to us.

Our risk management framework is comprised of various processes, systems and strategies, and is designed to manage the types of risk to which we are subject, including, among others, credit, market, liquidity, interest rate and compliance risks. Our framework also includes financial or other modeling methodologies that involve management assumptions and judgment. Our risk management framework may not be effective under all circumstances and may not adequately mitigate any risk or loss to us. If our framework is not effective, we could suffer unexpected losses and our business, financial condition, results of operations or prospects could be materially and adversely affected.

System failure or breaches of our network security, including as a result of cyber-attacks or data security breaches, could subject us to increased operating costs as well as litigation and other liabilities.

The computer systems and network infrastructure we use may be vulnerable to physical theft, fire, power loss, telecommunications failure or a similar catastrophic event, as well as security breaches, denial of service attacks, viruses, worms and other disruptive problems caused by hackers. Any damage or failure that causes breakdowns or disruptions in our client relationship management, general ledger, deposit, loan and other systems could damage our reputation, result in a loss of client business, subject us to additional regulatory scrutiny, or expose us to civil litigation and possible financial liability, any of which could have a material adverse effect on us.

Computer break-ins, phishing and other disruptions could also jeopardize the security of information stored in and transmitted through our computer systems and network infrastructure. Information security risks have generally increased in recent years in part because of the proliferation of new technologies, the use of the internet and telecommunications technologies to conduct financial transactions, and the increased sophistication and activities of organized crime, hackers, terrorists, and other external parties. Our operations rely on the secure processing, transmission and storage of confidential information in our computer systems and networks. Although we believe we have robust information security procedures and controls, our technologies, systems, networks, and our customers’ devices may become the target of cyber-attacks or information security breaches that could result in the unauthorized release, gathering, monitoring, misuse, loss or destruction of our or our customers’ confidential, proprietary and other information, or otherwise disrupt our or our customers’ business operations. As cyber threats continue to evolve, we may be required to expend significant additional resources to continue to modify or enhance our protective measures or to investigate and remediate any information security vulnerabilities.

We are under continuous threat of loss due to hacking and cyber-attacks especially as we continue to expand client capabilities to utilize internet and other remote channels to transact business. While we are not aware of any successful hacking or cyber-attacks into our computer or information technology systems, there can be no assurance that we will not be the victim of successful hacking or cyber-attacks in the future that could cause us to suffer material losses. The occurrence of any cyber-attack or information security breach could result in significant potential liabilities to customers and other third parties, reputational damage, the disruption of our operations and regulatory concerns, all of which could materially and adversely affect our business, financial condition or results of operations.

The financial services industry is undergoing rapid technological changes and, we may not have the resources to implement new technology to stay current with these changes.

The financial services industry is undergoing rapid technological changes with frequent introductions of new technology-driven products and services. In addition to better serving customers, the effective use of technology increases efficiency and enables financial institutions to reduce costs. Our future success will depend in part upon our ability to address the needs of our customers by using technology to provide products and services that will satisfy client demands for convenience as well as to provide secure electronic environments as we continue to grow and expand our market area. Many of our larger competitors have substantially greater resources to invest, and have invested significantly more than us, in technological improvements. As a result, they may be able to offer additional or more convenient products compared to those that we will be able to provide, which would put us at a competitive disadvantage. Accordingly, we may not be able to effectively implement new technology-driven products and services or be successful in marketing such products and services to our customers, which could impair our growth and profitability.

We are subject to certain operational risks, including, but not limited to, client or employee fraud.

Employee errors and employee and client misconduct could subject us to financial losses or regulatory sanctions and seriously harm our reputation. Misconduct by our employees could include hiding unauthorized activities from us, improper or unauthorized activities on behalf of our customers or improper use of confidential information. It is not always possible to prevent employee errors and misconduct, and the precautions we take to prevent and detect this activity may

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not be effective in all cases. Employee errors could also subject us to financial claims for negligence. We maintain a system of internal controls and insurance coverage to mitigate against these operational risks. If our internal controls fail to prevent or detect an occurrence, or if any resulting loss is not insured or exceeds applicable insurance limits, it could have a material adverse effect on our business, financial condition or results of operations.

In addition, we rely heavily upon information supplied by third parties, including the information contained in credit applications, property appraisals, title information, equipment pricing and valuation and employment and income documentation, in deciding which loans we will originate, as well as the terms of those loans. If any of the information upon which we rely is misrepresented, either fraudulently or inadvertently, and the misrepresentation is not detected prior to asset funding, the value of the asset may be significantly lower than expected, or we may fund a loan that we would not have funded or on terms we would not have extended.

We may need to raise additional capital in the future.

We are required to meet certain regulatory capital requirements and maintain sufficient liquidity. We may need to raise additional capital in the future to provide us with sufficient capital resources and liquidity to meet our commitments and business needs, which could include the possibility of financing acquisitions. Our ability to raise additional capital depends on conditions in the capital markets, economic conditions and a number of other factors, including investor perceptions regarding the banking industry, market conditions, governmental activities, and our financial condition and performance. Accordingly, we may be unable to raise additional capital if needed or on terms acceptable to us. Further, such additional capital could result in dilution to our existing shareholders. If we fail to maintain capital to meet regulatory requirements, our financial condition, liquidity, results of operations, as well as our ability to maintain compliance with regulatory capital requirements, would be materially and adversely affected.

Our FDIC deposit insurance premiums and assessments may increase.

Our deposits are insured by the FDIC up to legal limits and, accordingly, subjects us to the payment of FDIC deposit insurance premiums and assessments. High levels of bank failures since the financial crisis and increases in the statutory deposit insurance limits have increased resolution costs to the FDIC and put significant pressure on the Deposit Insurance Fund. In order to maintain a strong funding position and restore the reserve ratios of the Deposit Insurance Fund following the financial crisis, the FDIC increased deposit insurance assessment rates and charged special assessments to all FDIC-insured financial institutions. Further increases in assessment rates or special assessments may occur in the future, especially if there are significant additional failures of financial institutions. Any future special assessments, increases in assessment rates or required prepayments in FDIC insurance premiums could reduce our profitability or limit our ability to pursue certain business opportunities, which could have a material adverse effect on our assets, business, cash flow, condition (financial or otherwise), liquidity, prospects or results of operations.

Our financial condition may be affected negatively by the costs of litigation.

We may be involved from time to time in a variety of litigation, investigations or similar matters arising out of our business. From time to time, and particularly during periods of economic stress, customers may make claims or otherwise take legal action pertaining to performance of our responsibilities. These claims are often referred to as “lender liability” claims. Whether customer claims and legal action related to the performance of our responsibilities are founded or unfounded, if such claims and legal actions are not resolved in a favorable manner, they may result in significant financial liability and/or adversely affect our market perception, products and services, as well as potentially affecting customer demand for those products and services. In many cases, we may seek reimbursement from our insurance carriers to cover such costs and expenses. Our insurance may not cover all claims that may be asserted against us, and any claims asserted against us, regardless of merit or eventual outcome, may harm our reputation. Should the ultimate judgments or settlements in any litigation or investigation significantly exceed our insurance coverage, they could have a material adverse effect on our business, financial condition or results of operations.

Prior to our initial public offering, we were treated as an S-corporation, and claims of taxing authorities or our former sole shareholder related to our prior status as an S-corporation, could harm us.

Prior to our initial public offering, we were an S-corporation for U.S. federal income tax purposes. While we were an S-corporation, Mr. Ayers, our sole shareholder at the time, was taxed on our income. Following our initial public offering in 2016, our status as an S-corporation was terminated and we became a “C-corporation” under the provisions of the Internal Revenue Code. If the unaudited, open tax years in which we were an S-corporation are audited by the Internal Revenue Service (the “IRS”) and we are determined not to have qualified for, or to have violated, our S-corporation status, we will be obligated to pay back tax, interest and penalties. The amounts that we would be obligated to pay could include tax on all of our taxable income while we were an S-corporation. Any such claims could result in additional costs to us and could have a material adverse effect on our results of operations or financial condition.

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In addition, in the event of an adjustment to our reported taxable income for periods prior to termination of our S-corporation status, it is possible that Mr. Ayers would be liable for additional income taxes for those prior periods. Therefore, we entered into a tax sharing agreement with Mr. Ayers. Pursuant to this agreement, upon our filing any tax return (amended or otherwise), in the event of any restatement of our taxable income or pursuant to a determination by, or a settlement with, a taxing authority, for any period during which we were an S-corporation, we may be required to make a payment to Mr. Ayers in an amount equal to Mr. Ayers’ incremental tax liability. In addition, we have agreed to indemnify Mr. Ayers with respect to unpaid income tax liabilities to the extent that such unpaid income tax liabilities are attributable to an adjustment to our taxable income for any period after our S-corporation status terminates. In both cases the amount of the payment will be based on the assumption that Mr. Ayers is taxed at the highest rate applicable to individuals for the relevant periods. We will also indemnify Mr. Ayers for any interest, penalties, losses, costs or expenses arising out of any claim under the agreement. Any such payments to or on behalf of Mr. Ayers would result in additional costs to us and could have a material adverse effect on our results of operations or financial condition.

We could be subject to environmental risks and associated costs on our other real estate owned assets.

A significant portion of our loan portfolio is comprised of loans collateralized by real estate. There is a risk that hazardous or toxic waste could be discovered on the properties that secure our loans. If we acquire such properties as a result of foreclosure, we could be held responsible for the cost of cleaning up or removing this waste, and this cost could exceed the value of the underlying properties and materially and adversely affect us.

Risks related to our regulatory environment

The Dodd-Frank Act and related rules and regulations may adversely affect our business, financial condition or results of operations.

The Dodd-Frank Act contains a variety of far-reaching changes and reforms for the financial services industry and directs federal regulatory agencies to study the effects of, and issue implementing regulations for, these reforms. Many of the provisions of the Dodd-Frank Act could have a direct effect on our performance and, in some cases, impact our ability to conduct business. Examples of these provisions include, but are not limited to:

• Increased capital requirements and changes to the quality of capital required to be held by banking organizations;

• Changes to deposit insurance assessments;

• Regulation of proprietary trading;

• Repeal of the federal prohibitions on the payment of interest on demand deposits, thereby permitting depository institutions to pay interest on business transaction and other accounts;

• Establishment of the Consumer Financial Protection Bureau (the “CFPB”) with broad authority to implement new consumer protection regulations and, for banks with $10 billion or more in assets, to examine and enforce compliance with federal consumer laws;

• Implementation of risk retention rules for loans (excluding qualified residential mortgages) that are sold by a bank;

• Implementation of annual stress tests for all banks with assets exceeding $10 billion;

• Regulation of debit-card interchange fees; and

• Regulation of lending and the requirements for “qualified mortgages”, “qualified residential mortgages” and the assessment of “ability to repay” requirements.

Many of these provisions have already been the subject of proposed and final rules by regulatory authorities. Many other provisions, however, remain subject to regulatory rulemaking and implementation, the effects of which are not yet known. The provisions of the Dodd-Frank Act and any rules adopted to implement those provisions as well as any additional legislative or regulatory changes may impact the profitability of our business, require that we change certain of our business practices, materially affect our business model or affect retention of key personnel, require us to raise additional capital and expose us to additional costs (including increased compliance costs). These and other changes may also require us to invest significant management attention and resources to make any necessary changes and may adversely affect our ability to conduct our business as previously conducted or our financial condition or results of operations.  

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Monetary policies and economic factors may limit our ability to attract deposits or make loans.

The monetary policies of federal regulatory authorities, particularly the Federal Reserve, and economic conditions in our service area and the United States generally, affect our ability to attract deposits and extend loans. We cannot predict either the nature or timing of any changes in these monetary policies and economic conditions, including the Federal Reserve’s interest rate policies, or their impact on our financial performance. Adverse conditions in the economic environment could also lead to a potential decline in deposits and demand for loans, which could have a material and adverse effect on our financial condition, results of operations or cash flows.

As the parent company of FirstBank, the Federal Reserve may require us to commit capital resources to support the Bank.

The Federal Reserve requires us to act as a source of strength to the Bank and to commit capital and financial resources to support the Bank. This support may be required at times when we might otherwise determine not to provide it. In addition, if we commit to a federal bank regulator that we will maintain the capital of the Bank, whether in response to the Federal Reserve’s invoking its source-of-strength authority or in response to other regulatory measures, that commitment will be assumed by a bankruptcy trustee and, as a result, the Bank will be entitled to priority payment in respect of that commitment, ahead of our other creditors. Thus, any borrowing that must be done by us in order to support the Bank may adversely impact our cash flow, financial condition, results of operations or prospects.

Federal and state regulators periodically examine our business and may require us to remediate adverse examination findings or may take enforcement action against us.

The Federal Reserve, the FDIC and the TDFI periodically examine our business, including our compliance with laws and regulations. If, as a result of an examination, the Federal Reserve or the TDFI were to determine that our financial condition, capital resources, asset quality, earnings prospects, management, liquidity or other aspects of any of our operations had become unsatisfactory, or that we were in violation of any law or regulation, they may take a number of different remedial actions as they deem appropriate. These actions may include the power to require us to remediate any such adverse examination findings.

In addition, these agencies have the power to take enforcement action against us to enjoin “unsafe or unsound” practices, to require affirmative action to correct any conditions resulting from any violation of law or regulation or unsafe or unsound practice, to issue an administrative order that can be judicially enforced, to direct an increase in our capital, to direct the sale of subsidiaries or other assets, to limit dividends and distributions, to restrict our growth, to assess civil monetary penalties against us or our officers or directors, to remove officers and directors or, if it is concluded that such conditions cannot be corrected or there is an imminent risk of loss to depositors, to terminate our deposit insurance and place us into receivership or conservatorship. Any regulatory enforcement action against us could have a material adverse effect on our assets, business, cash flow, condition (financial or otherwise), liquidity, prospects or results of operations.

Federal, state and local consumer lending laws may restrict our ability to originate certain mortgage loans or increase our risk of liability with respect to such loans and could increase our cost of doing business.

Federal, state and local laws and regulations have been adopted that are intended to eliminate certain lending practices considered “predatory.” The origination of loans with certain terms and conditions and that otherwise meet the definition of a “qualified mortgage” may protect us from liability to a borrower for failing to make the necessary determinations. In either case, we may find it necessary to tighten our mortgage loan underwriting standards in response to applicable regulations, which may constrain our ability to make loans consistent with our business strategies. It is our policy not to make predatory loans and to determine borrowers’ ability to repay, but the law and related rules create the potential for increased liability with respect to our lending and loan investment activities. They increase our cost of doing business and, ultimately, may prevent us from making certain loans and cause us to reduce the average percentage rate or the points and fees on loans that we do make, which in turn could have a material adverse effect on our business, cash flow, condition (financial or otherwise), liquidity, prospects or results of operations.

We are subject to numerous fair lending laws designed to protect consumers and failure to comply with these laws could lead to a wide variety of sanctions.

The Equal Credit Opportunity Act, the Fair Housing Act and other fair lending laws and regulations prohibit discriminatory lending practices by financial institutions. The U.S. Department of Justice, federal banking agencies and other federal agencies are responsible for enforcing these laws and regulations. A successful regulatory challenge to an institution’s compliance with fair lending laws and regulations could result in a wide variety of sanctions, including damages and civil money penalties, injunctive relief, restrictions on mergers and acquisitions, restrictions on expansion and restrictions on entering new lines of business. Private parties may also have the ability to challenge an institution’s performance under

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fair lending laws in private class action litigation. Such actions could have a material adverse effect on our assets, business, cash flow, condition (financial or otherwise), liquidity, prospects or results of operations.

We could face a risk of noncompliance and enforcement action with the Bank Secrecy Act of 1970 (the “Bank Secrecy Act”) and other anti-money laundering statutes and regulations.

The Bank Secrecy Act, the USA PATRIOT Act and other laws and regulations require financial institutions, among other duties, to institute and maintain effective anti-money laundering programs and file suspicious activity and currency transaction reports as appropriate. The Financial Crimes Enforcement Network, established by the U.S. Department of the Treasury to administer the Bank Secrecy Act, is authorized to impose significant civil money penalties for violations of those requirements and engages in coordinated enforcement efforts with the individual federal banking regulators, as well as the U.S. Department of Justice, Drug Enforcement Administration and IRS. There is also increased scrutiny of compliance with the rules enforced by the Office of Foreign Assets Control related to U.S. sanctions regimes. If our policies, procedures and systems are deemed deficient or the policies, procedures and systems of the financial institutions that we have already acquired or may acquire in the future are deficient, we would be subject to liability, including fines and regulatory actions such as restrictions on our ability to pay dividends and the necessity to obtain regulatory approvals to proceed with certain aspects of our business plan, including our acquisition plans, which would negatively impact our business, financial condition or results of operations. Failure to maintain and implement adequate programs to combat money laundering and terrorist financing could also have serious reputational consequences for us, which could in turn have a material adverse effect on our business.

Risks related to our common stock

We are controlled by James W. Ayers, whose interests in our business may be different than our other shareholders, and, as a “controlled company” within the meaning of the rules of NYSE, our other shareholders will not have the same protections afforded to shareholders of companies that are subject to certain corporate governance requirements.

Mr. Ayers, our Executive Chairman, currently owns approximately 56.3% of our common stock. Further, pursuant to the shareholder’s agreement that was entered into with Mr. Ayers in connection with our initial public offering, Mr. Ayers has the right to designate up to a majority of our board of directors. As a result, Mr. Ayers or his nominees to our board of directors will have the ability to control the appointment of our management, the entering into of mergers, material acquisitions and dispositions and other extraordinary transactions and to influence amendments to our charter, bylaws and other corporate governance documents. So long as Mr. Ayers continues to own a majority of our common stock, he will have the ability to control the vote in any election of directors and will have the ability to prevent any transaction that requires shareholder approval regardless of whether others believe the transaction is in our best interests. In any of these matters, the interests of Mr. Ayers may differ from or conflict with the interests of our other shareholders. Moreover, this concentration of stock ownership may also adversely affect the trading price for our common stock to the extent investors perceive disadvantages in owning stock of a company with a controlling shareholder.

In addition, because Mr. Ayers controls a majority of the voting power of our outstanding common stock, we are a “controlled company” within the meaning of the corporate governance standards of NYSE. Under these rules, a company of which more than 50% of the voting power is held by an individual, group or another company is a “controlled company” and may elect not to comply with certain corporate governance requirements, including the requirements that a majority of the board of directors consist of independent directors and the requirements that the executive compensation committee and nominating and corporate governance committee each be comprised entirely of independent directors.  We may take advantage of certain of these exemptions for as long as we continue to qualify as a “controlled company,” and, historically, we have relied on the exemption that we have a nominating and corporate governance committee. While exempt, we may also choose not to have a majority of independent directors or a compensation committee that consists entirely of independent directors. Accordingly, our shareholders may not have the same protections afforded to shareholders of companies that are subject to all of the corporate governance requirements of NYSE.

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Our corporate organization documents contain certain provisions that could have an anti-takeover effect and may delay, make more difficult or prevent an attempted acquisition of us that our shareholders may favor.

Our governing documents and certain agreements to which we are a party contain provisions that make a change-in-control difficult to accomplish, and may discourage a potential acquirer. These include a provision that directors cannot be removed except for cause and a provision that requires the affirmative vote of eighty percent (80%) of the shares outstanding to amend certain provisions of our charter. These anti-takeover provisions may have an adverse effect on the market for our common stock.

We have the ability to incur debt and pledge our assets, including our stock in the Bank, to secure that debt.

Absent special and unusual circumstances, a holder of any indebtedness for borrowed money has rights that are superior to those of holders of any common stock. For example, interest must be paid to the lender before dividends can be paid to any shareholders, and loans must be paid off before any assets can be distributed to any shareholders if we were to liquidate. Further, we would have to make principal and interest payments on our indebtedness, which could reduce our profitability or result in net losses on a consolidated basis even if the Bank were profitable.

The price of our common stock could be volatile.

The market price of our common stock may be volatile and could be subject to wide fluctuations in price in response to various factors, some of which are beyond our control. In addition, if the market for stocks in our industry, or the stock market in general, experiences a loss of investor confidence, the trading price of our common stock could decline for reasons unrelated to our business, financial condition or results of operations. If any of the foregoing occurs, it could cause our stock price to fall and may expose us to lawsuits that, even if unsuccessful, could be costly to defend and a distraction to management which could materially adversely affect our business, financial condition or results of operations.

Future sales of our common stock or securities convertible into our common stock may dilute our shareholders’ ownership in us and may adversely affect us or the market price of our common stock.

We are generally not restricted from issuing additional shares of our common stock up to the authorized number of shares set forth in our charter. We may issue additional shares of our common stock or securities convertible into our common stock in the future pursuant to current or future employee stock option plans, employee stock grants, upon exercise of warrants or in connection with future acquisitions or financings. In addition, Mr. Ayers has registration rights that allow him to sell additional shares of common stock in subsequent offerings. We cannot predict the size of any such future issuances or the effect, if any, that any such future issuances will have on the trading price of our common stock.  Any such future issuances of shares of our common stock or securities convertible into common stock may have a dilutive effect on the holders of our common stock and could have a material negative effect on the trading price of our common stock.

Future sales of our common stock in the public market could lower our share price, and any additional capital raised by us through the sale of equity or convertible debt securities may dilute our shareholders ownership in us and may adversely affect us or the market price of our common stock.

We or Mr. Ayers, may sell additional shares of common stock in subsequent public offerings. We may also issue additional shares of common stock or convertible securities to finance future acquisitions. We cannot predict the size of future issuances of our common stock or the effect, if any, that future issuances and sales of our common stock will have on the market price of our common stock. Sales of substantial amounts of our common stock (including sales that may occur pursuant to registration rights and shares that may be issued in connection with acquisitions), or the perception that such sales could occur, may adversely affect prevailing market prices for our common stock.

Applicable laws and regulations restrict both the ability of the Bank to pay dividends to us and our ability to pay dividends to our shareholders.

We and the Bank are subject to various regulatory restrictions relating to the payment of dividends. In addition, the Federal Reserve has the authority to prohibit bank holding companies from engaging in unsafe or unsound practices in conducting their business. These federal and state laws, regulations and policies are described in greater detail in “Business: Supervision and regulation: Bank regulation: Bank dividends” and “Business: Supervision and regulation: Holding company regulation: Restriction on bank holding company dividends,” and generally consider previous results and net income, capital needs, asset quality, existence of enforcement or remediation proceedings, and overall financial condition in determining whether a dividend payment is appropriate. For the foreseeable future, the majority, if not all,of our revenue will be from any dividends paid to us by the Bank. Accordingly, our ability to pay dividends also depends on the ability of the Bank to pay dividends to us. Further, the present and future dividend policy of the Bank is subject to the discretion of its board of directors. We cannot guarantee that we or the Bank will be permitted by financial condition or

44

applicable regulatory restrictions to pay dividends, that the board of directors of the Bank will elect to pay dividends to us, or the timing or amount of any dividend actually paid. See “Dividend policy.” If we do not pay dividends, market perceptions of our common stock may be adversely affected, which could in turn create downward pressure on our stock price.

We identified a material weakness in our internal control over financial reporting related to reconciliations of our mortgage loans held for sale and related clearing accounts in the year ended December 31, 2016and if we are unable to establish and maintain effective internal controls in accordance with Section 404 of the Sarbanes-Oxley Act of 2002 (the “Sarbanes-Oxley Act”) it could have a material adverse effect on our business and stock price.

We are required to comply with the SEC’s rules implementing Section 302 and 404 of the Sarbanes-Oxley Act, that require management to certify financial and other information in our quarterly and annual reports and, beginning with this Annual Report on Form 10-K, provide an annual management report on the effectiveness of control over financial reporting. Pursuant to the Jumpstart Our Business Startups Act (the “JOBS Act”), our independent registered public accounting firm will not be required to attest to the effectiveness of our internal control over financial reporting until the later of the year following our first annual report required to be filed with the SEC or the date we are no longer an emerging growth company, which may be up to five full fiscal years following our initial public offering.

In connection with the preparation of our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2016, our management determined that as of December 31, 2016, we had a material weakness in our internal control over financial reporting resulting from deficiencies around the recording of mortgage banking transactions and reconciliations of mortgage loans held for sale and related clearing accounts on a timely basis. A “material weakness” is a deficiency, or a combination of deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of our annual or interim financial statements will not be prevented or detected on a timely basis.  Specifically, we did not have effective processes and procedures in place to ensure that all transactions involving the origination, purchase, transfer or sales of our mortgage loans held for sale were properly recorded and reflected on our financial statements and, as a result, failed to properly record certain transactions in the proper interim periods in 2016. While this deficiency did not result in a restatement of any previously reported interim consolidated financial statements for 2016, our management concluded there was a reasonable possibility that a material misstatement of the Company’s annual or interim financial statements might not be prevented or detected on a timely basis. See “Controls and Procedures” included in Item 9A of our Annual Report on Form 10-K for the year ended December 31, 2016 for a further discussion of this material weakness. Our management believes that the conversion to the system, which was completed during 2016, and the revised policies and procedures for reconciling applicable accounts put in place during 2016 have been sufficient to remediate this material weakness. As of December 31, 2017, management considers the material weakness to be remediated based on their evaluation of the controls.

While we believe that we have taken appropriate steps to remediate the material weakness, we cannot be certain that other material weaknesses and control deficiencies will not be discovered in the future.  If additional material weaknesses or significant deficiencies in our internal control over financial reporting are discovered or occur in the future, our consolidated financial statements may contain material misstatements and we could be required to restate our financial results. In addition, if additional material weaknesses or significant deficiencies in our internal control over financial reporting are discovered or occur in the future, or if we are unable to produce accurate and timely financial statements, our stock price may be adversely affected and we may be unable to maintain compliance with applicable stock exchange listing requirements.

We are an emerging growth company, and we cannot be certain if the reduced disclosure requirements applicable to emerging growth companies will make our common stock less attractive to investors.

We are an “emerging growth company,” as defined in the JOBS Act, and we intend to take advantage of certain exemptions from various regulatory and reporting requirements that are applicable to public companies that are emerging growth companies, including, but not limited to, exemptions from being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and shareholder approval of any golden parachute payments not previously approved. In addition, even if we comply with the greater obligations of public companies that are not emerging growth companies, we may avail ourselves of the reduced requirements applicable to emerging growth companies from time to time in the future, so long as we are an emerging growth company. We will remain an emerging growth company for up to five years, though we will cease to be an emerging growth company earlier if we have more than $1 billion in annual gross revenues, have more than $700 million in market value of our common stock held by non-affiliates, or issue more than $1 billion of non-convertible debt in a three-year period. Investors and securities analysts may find it more difficult to evaluate our common

45

stock because we will rely on one or more of these exemptions and, as a result, investor confidence or the market price of our common stock may be materially and adversely affected.

Securities that we issue, including our common stock, are not FDIC insured.

Securities that we issue, including our common stock, are not savings or deposit accounts or other obligations of any bank, insured by the FDIC, any other governmental agency or instrumentality, or any private insurer, and are subject to investment risk, including the possible loss of our shareholders’ investments.

ITEM 1B - Unresolved Staff Comments

None.

ITEM 2 - Properties

Our principal executive offices and FirstBank’s main office are located at 211 Commerce Street, Suite 300, Nashville, Tennessee 37201. We currently operate 56 full-service bank branches and 9 other banking locations throughout our geographic market areas as well as 18 mortgage offices throughout the southeastern United States. We have banking locations in the metropolitan markets of Nashville, Chattanooga, Knoxville, Memphis, Jackson (TN) and Huntsville (AL) in addition to 12 community markets. See “ITEM 1. Business – Our Markets” for more detail. We own 44 of these banking locations and lease our other banking locations, nearly all of our mortgage offices and our principal executive office. We believe that our offices and banking locations are in good condition, are suitable to our needs and, for the most part, are relatively new or refurbished.

ITEM 3 - Legal Proceedings

Various legal proceedings to which FB Financial Corporation or a subsidiary of FB Financial Corporation is party arise from time to time in the normal course of business. As of the date hereof, there are no material pending legal proceedings to which FB Financial Corporation or any of its subsidiaries is a party or of which any of its or its subsidiaries' assets or properties are subject.

ITEM 4 - Mine Safety Disclosures

Not applicable.

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PART II

ITEM 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Market Information and Holders of Record

FB Financial Corporation's common stock is traded on the New York Stock Exchange under the symbol "FBK" and has traded on that market since September 16, 2016. Prior to that time, there was no established public trading market for our stock.

The following table shows the high and low sales price information for the Company’s common stock for each full quarter in 2017 and 2016 as reported on the New York Stock Exchange.

	Price per share of common stock
	High		Low
2017
First quarter	$	35.50	$	23.71
Second quarter	$	38.59	$	32.49
Third quarter	$	38.24	$	32.84
Fourth quarter	$	44.81	$	37.91
2016
First quarter	N/A		N/A
Second quarter	N/A		N/A
Third quarter	$	21.27	$	20.00
Fourth quarter	$	26.45	$	19.81

The Company had approximately 735 stockholders of record as of March 12, 2018.

Stock Performance Graph

The performance graph and table below compares the cumulative total stockholder return on the common stock of the Company with the cumulative total return on the equity securities included in the Standard & Poor’s 500 Index (S&P 500), which reflects overall stock market performance and the KBW Bank Index, which is a modified cap-weighted index consisting of 24 exchange-listed National Market stocks. The graph assumes an initial $100 investment on December 30, 2016 through December 29, 2017. Data for the S&P 500 and KBW Regional Bank Index assumes reinvestment of dividends. Returns are shown on a total return basis. The performance graph represents past performance and should not be considered to be an indication of future performance. The information in this paragraph and the following stock performance graph shall not be deemed to be “soliciting material” or to be “filed” with the SEC or subject to Regulation 14A or 14C, other than as provided in Item 201 of Regulation S-K, or to the liabilities of Section 18 of the Exchange Act, except to the extent that we specifically request that such information be treated as soliciting material or specifically incorporate it by reference into a filing under the Securities Act or the Exchange Act.

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	Index
	FB Financial Corporation		S&P 500 Total Return Index		KBW Bank Total Return Index
12/30/2016		100.00		100.00		100.00
1/27/2017		99.00		102.60		101.23
2/24/2017		124.20		106.09		104.71
3/24/2017		121.89		105.20		99.33
4/21/2017		135.49		105.54		98.17
5/19/2017		145.90		107.24		98.77
6/16/2017		139.88		109.74		103.00
7/14/2017		133.95		111.05		105.96
8/11/2017		127.17		110.40		103.39
9/8/2017		131.25		111.51		99.59
10/6/2017		146.47		115.67		111.44
11/3/2017		156.72		117.50		113.15
12/1/2017		165.28		120.25		116.19
12/31/2017		161.81		121.83		118.59

Dividend Policy

Prior to our initial public offering, we were an S corporation for U.S. federal income tax purposes. As an S Corporation, we historically made distributions to our sole shareholder to provide him with funds to pay U.S. federal income tax on our taxable income that was “passed through” to him. We also historically paid additional dividends to our shareholder as a return on his investment from time to time. Following our initial public offering and after our conversion to a C corporation, our dividend policy and practice changed, and we will no longer pay distributions to provide our shareholders with funds to pay U.S. federal income tax on their pro rata portion of our taxable income.

We currently intend to retain our future earnings, if any, to fund the development and growth of our business, and we currently do not anticipate paying any dividends to the holders of our common stock. Any future determination relating to our dividend policy will be made by our board of directors and will depend on a number of factors, including general and economic conditions, industry standards, our financial condition and operating results, our available cash and current and anticipated cash needs, capital requirements, banking regulations, contractual, legal, tax and regulatory restrictions and implications on the payment of dividends by us to our shareholders or by the Bank to us, and such other factors as our board of directors may deem relevant.

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The following table shows the dividends that have been declared on our common stock with respect to the periods indicated below. Per share amounts are presented to the nearest cent.  

(dollars in thousands, except share amounts and per share data)
Quarterly period	Amount per share		Total cash dividend
First Quarter 2016	$	0.29	$	5,000
Second Quarter 2016	$	0.25	$	4,300
Third Quarter 2016	$	3.49	$	60,000
Fourth Quarter 2016	$	—	$	—
First Quarter 2017	$	—	$	—
Second Quarter 2017	$	—	$	—
Third Quarter 2017	$	—	$	—
Fourth Quarter 2017	$	—	$	—

As a bank holding company, any dividends paid by us are subject to various federal and state regulatory limitations and also may be subject to the ability of the Bank to make distributions or pay dividends to us. The Bank is also subject to various legal, regulatory and other restrictions on its ability to pay dividends and make other distributions and payments to us. Our ability to pay dividends is limited by minimum capital and other requirements prescribed by law and regulation. Furthermore, we are generally prohibited under Tennessee corporate law from making a distribution to a shareholder to the extent that, at the time of the distribution, after giving effect to the distribution, we would not be able to pay our debts as they become due in the usual course of business or our total assets would be less than the sum of its total liabilities plus (unless the charter permits otherwise) the amount that would be needed, if we were to be dissolved at the time of the distribution, to satisfy the preferential rights upon dissolution of any shareholders who may have preferential rights superior to those receiving the distribution. In addition, financing arrangements that we may enter into in the future may include restrictive covenants that may limit our ability to pay dividends.

Sale of Equity Securities and Use of Proceeds

Initial Public Offering

On September 15, 2016, our registration statement on Form S-1 (Registration No. 333-213210) was declared effective by the SEC for our underwritten initial public offering in which we sold a total of 6,764,704 shares of our common stock at a price to the public of $19.00 per share. J.P. Morgan Securities LLC, UBS Securities LLC, and Keefe, Bruyette & Woods, Inc., acted as the joint book-running managers for the offering, and Raymond James & Associates, Inc., Sandler O’Neill & Partners, L.P., and Stephens Inc. acted as co-managers.

The offering commenced on September 15, 2016 and closed on September 21, 2016. All of the shares registered pursuant to the registration statement were sold at an aggregate offering price of $128.5 million. Wereceived net proceeds of approximately $115.5 million after deducting underwriting discounts and commissions of $9.0 million and other offering expenses of $4.0 million. No payments with respect to expenses were made by us to directors, officers or persons owning ten percent or more of either class of our common stock or to their associates, or to our affiliates. However, $55.0 million of the net proceeds from the offering were used to fund a cash distribution to James W. Ayers, our majority shareholder and executive chairman, which was intended to be non-taxable to Mr. Ayers, and $10.1 million of the net proceeds from the offering were used to fund the repayment of all amounts outstanding under our subordinated notes held by Mr. Ayers. During the third quarter of 2017, approximately $7.8 million was used to fund the merger with the Clayton Banks. Remaining proceeds of approximately $27.1 million from the offering remain in interest bearing deposits in other financial institutions and may be used to support our growth, including to fund our organic growth and implement our strategic initiatives, which may include the potential expansion of our business through opportunistic acquisitions of depository institutions and other complementary businesses, and selective acquisitions of assets, deposits and branches that we believe present attractive risk-adjusted returns or provide a strategic benefit to our growth strategy, for working capital and for other general corporate purposes, and to strengthen our regulatory capital. There has been no material change in the planned use of proceeds from our initial public offering as described in our prospectus filed with the SEC on September 19, 2016 pursuant to Rule 424(b)(4) under the Securities Act.

Private Placement

As previously reported in our Current Report on Form 8-K that was filed with the SEC on May 26, 2017, we sold 4,806,710 shares of our common stock (the “Private Placement Shares”) to accredited investors in a private placement that closed on June 1, 2017.  We received net proceeds of approximately $152.7 million from the sale of the Private Placement Shares after deducting placement agent fees of approximately $5.5 million and other offering expenses of

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approximately $0.4 million.  The net proceeds were used to fund a portion of the payment of approximately $184.2 million cash consideration to Clayton HC, Inc. in connection with our acquisition of Clayton Bank and Trust and American City Bank, which closed on July 31, 2017.  The Private Placement Shares were not registered under the Securities Act in reliance on the exemption from registration in Section 4(a)(2) of the Securities Act and Regulation D promulgated under the Securities Act.

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ITEM 6 - Selected Financial Data

The following selected historical consolidated financial data of the Company should be read in conjunction with, and are qualified by reference to, “Management’s discussion and analysis of financial condition and results of operations” and the consolidated financial statements and notes thereto included elsewhere herein. Our historical results for any prior period are not necessarily indicative of results to be expected in any future period.

							As of or for the year ended December 31,
	2017			2016			2015			2014			2013
Statement of Income Data
Total interest income	$	169,613		$	120,494		$	102,782		$	92,889		$	87,082
Total interest expense		16,342			9,544			8,910			9,513			11,606
Net interest income		153,271			110,950			93,872			83,376			75,476
Provision for loan losses		(950	)		(1,479	)		(3,064	)		(2,716	)		(1,519	)
Total noninterest income		141,581			144,685			92,380			50,802			41,386
Total noninterest expense		222,317			194,790			138,492			102,163			89,584
Net income before income taxes		73,485			62,324			50,824			34,731			28,797
Income tax expense		21,087			21,733			2,968			2,269			1,894
Net income		52,398			40,591			47,856			32,462			26,903
Net interest income (tax—equivalent basis)		156,094			113,311			95,887			85,487			77,640
Per Common Share
Basic net income		1.90			2.12			2.79			1.89			1.57
Diluted net income		1.86			2.10			2.79			1.89			1.57
Book value(1)		19.54			13.71			13.78			12.53			11.04
Tangible book value(5)		14.56			11.58			10.66			9.59			8.01
Pro Forma Statement of Income and Per Common Share    Data(4)
Pro forma provision for income tax		21,087			22,902			17,829			12,375			10,185
Pro forma net income		52,398			39,422			32,995			22,356			18,612
Pro forma net income per common share—basic		1.90			2.06			1.92			1.30			1.08
Pro forma net income per common share—diluted		1.86			2.04			1.92			1.30			1.08
Selected Balance Sheet Data
Cash and due from banks		29,831			50,157			53,893			40,093			41,943
Loans held for investment		3,166,911			1,848,784			1,701,863			1,415,896			1,341,347
Allowance for loan losses		(24,041	)		(21,747	)		(24,460	)		(29,030	)		(32,353	)
Loans held for sale		526,185			507,442			273,196			194,745			61,062
Available-for-sale securities, fair value		543,992			582,183			649,387			652,601			685,547
Other real estate owned, net		16,442			7,403			11,641			7,259			8,796
Total assets		4,727,713			3,276,881			2,899,420			2,428,189			2,258,387
Customer deposits		3,578,694			2,670,031			2,432,843			1,918,635			1,803,567
Brokered and internet time deposits		85,701			1,531			5,631			4,934			5,579
Total deposits		3,664,395			2,671,562			2,438,474			1,923,569			1,803,567
Borrowings		333,302			194,892			74,616			143,850			137,861
Total shareholders' equity		596,729			330,498			236,674			215,228			189,687
Selected Ratios
Return on average:
Assets(2)		1.37	%		1.35	%		1.86	%		1.40	%		1.22	%
Shareholders' equity(2)		11.24	%		14.68	%		20.91	%		15.94	%		13.98	%
Average shareholders' equity to average assets		12.23	%		9.22	%		8.88	%		8.81	%		8.73	%
Net interest margin (tax-equivalent basis)		4.46	%		4.10	%		3.97	%		3.93	%		3.75	%
Efficiency ratio		75.40	%		76.20	%		74.36	%		76.14	%		76.66	%
Adjusted efficiency ratio (tax-equivalent basis)(5)		67.31	%		70.59	%		73.10	%		73.93	%		75.24	%
Loans held for investment to deposit ratio		86.42	%		69.20	%		69.79	%		73.61	%		74.37	%
Yield on interest-earning assets		4.93	%		4.45	%		4.34	%		4.37	%		4.31	%
Cost of interest-bearing liabilities		0.66	%		0.48	%		0.49	%		0.56	%		0.70	%
Cost of total deposits		0.42	%		0.29	%		0.30	%		0.36	%		0.48	%
Pro Forma Selected Ratios
Pro forma return on average assets(2)(4)		1.37	%		1.31	%		1.28	%		0.97	%		0.84	%
Pro forma return on average equity(2)(4)		11.24	%		14.25	%		14.47	%		10.98	%		9.67	%
Credit Quality Ratios
Allowance for loan losses to loans, net of unearned income		0.76	%		1.18	%		1.50	%		2.05	%		2.41	%
Allowance for loan losses to nonperforming loans		238.10	%		216.22	%		211.10	%		168.75	%		113.83	%
Nonperforming loans to loans, net of unearned income		0.32	%		0.54	%		0.68	%		1.21	%		2.12	%
Capital Ratios (Company)
Shareholders' equity to assets		12.62	%		10.09	%		8.16	%		8.86	%		8.40	%
Tier 1 capital (to average assets)		10.46	%		10.05	%		7.64	%		8.10	%		7.97	%
Tier 1 capital (to risk-weighted assets(3)		11.43	%		12.19	%		9.58	%		11.32	%		11.47	%
Total capital (to risk-weighted assets)(3)		12.01	%		13.03	%		11.15	%		13.18	%		13.41	%
Tangible common equity to tangible assets(5)		9.72	%		8.65	%		6.43	%		6.93	%		6.24	%
Common Equity Tier 1 (to risk-weighted assets) (CET1)(3)		10.71	%		11.04	%		8.23	%	N/A			N/A
Capital Ratios (Bank)
Shareholders' equity to assets		12.61	%		9.94	%		9.17	%		10.09	%		9.73	%
Tier 1 capital (to average assets)		9.77	%		8.95	%		7.65	%		8.10	%		7.98	%
Tier 1 capital (to risk-weighted assets)(3)		10.72	%		10.88	%		9.63	%		11.34	%		11.54	%
Total capital to (risk-weighted assets)(3)		11.30	%		11.72	%		11.02	%		12.96	%		13.20	%
Common Equity Tier 1 (to risk-weighted assets) (CET1)(3)		10.72	%		10.88	%		9.63	%	N/A			N/A

(1) Book value per share equals our total shareholders’ equity as of the date presented divided by the number of shares of our common stock outstanding as of the date presented. The number of shares of our common stock outstanding was 30,535,517 and 24,107,660 as of December 31, 2017 and 2016, respectively, and 17,180,000 as of December 31, 2015, 2014 and 2013.

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(2) We have calculated our return on average assets and return on average equity for a period by dividing net income for that period by our average assets and average equity, as the case may be, for that period. We have calculated our pro forma return on average assets and pro forma return on average equity for a period by calculating our pro forma net income for that period as described in footnote 4 below and dividing that by our average assets and average equity, as the case be, for that period. We calculate our average assets and average equity for a period by dividing the sum of our total asset balance or total stockholder’s equity balance, as the case may be, as of the close of business on each day in the relevant period and dividing by the number of days in the period.

(3) We calculate our risk-weighted assets using the standardized method of the Basel III Framework as of December 31, 2017, 2016 and 2015 and the Basel II Framework for all previous periods, as implemented by the Federal Reserve and the FDIC.

(4) We have calculated our pro forma net income, pro forma net income per share, pro forma returns on average assets and pro forma return on average equity for each period shown by calculating a pro forma provision for federal income tax using a combined effective income tax rate of 36.75%, 35.08% 35.63% and 35.37% for the years ended December 31, 2016, 2015, 2014 and 2013, respectively, and adjusting our historical net income for each period to give effect to the pro forma provision for U.S. federal income tax for such period.

(5) These measures are not measures recognized under generally accepted accounting principles (United States) (“GAAP”), and are therefore considered to be non-GAAP financial measures. See “GAAP reconciliation and management explanation of non-GAAP financial measures” for a reconciliation of these measures to their most comparable GAAP measures.

GAAP reconciliation and management explanation of non-GAAP financial measures

We identify certain of the financial measures discussed in our selected historical consolidated financial data as being “non-GAAP financial measures.” In accordance with the SEC’s rules, we classify a financial measure as being a non-GAAP financial measure if that financial measure excludes or includes amounts, or is subject to adjustments that have the effect of excluding or including amounts, that are included or excluded, as the case may be, in the most directly comparable measure calculated and presented in accordance with generally accepted accounting principles as in effect from time to time in the United States in our statements of income, balance sheets or statements of cash flows.

The non-GAAP financial measures that we discuss in our selected historical consolidated financial data should not be considered in isolation or as a substitute for the most directly comparable or other financial measures calculated in accordance with GAAP. Moreover, the manner in which we calculate the non-GAAP financial measures that we discuss in our selected historical consolidated financial data may differ from that of other companies reporting measures with similar names. You should understand how such other banking organizations calculate their financial measures similar or with names similar to the non-GAAP financial measures we have discussed in our selected historical consolidated financial data when comparing such non-GAAP financial measures. The following reconciliation tables provide a more detailed analysis of these, and reconciliation for, each of non-GAAP financial measures

Adjusted efficiency ratio

The adjusted efficiency ratio is a non-GAAP measure that excludes securities gains (losses), merger-related and conversion expenses, one time IPO equity grants and other selected items. Our management uses this measure in its analysis of our performance. Our management believes this measure provides a greater understanding of ongoing operations and enhances comparability of results with prior periods, as well as demonstrates the effects of significant gains and charges.  The most directly comparable financial measure calculated in accordance with GAAP is the efficiency ratio.

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The following table presents, as of the dates set forth below, the calculation of our efficiency ratio on a tax-equivalent basis.

							Year ended December 31,
(dollars in thousands, except per share data)	2017			2016			2015			2014			2013
Adjusted efficiency ratio (tax-equivalent basis)
Total noninterest expense	$	222,317		$	194,790		$	138,492		$	102,163		$	89,584
Less vesting of one time equity grants		—			2,960			—			3,000			—
Less variable compensation charge related to    cash settled equity awards previously issued		635			1,254			—			—			—
Less merger and conversion expenses		19,034			3,268			3,543			—			—
Less impairment of MSRs		—			4,678			194			—			—
Less loss on sale of MSRs		249			4,447			—			—			—
Adjusted noninterest expense	$	202,399		$	178,183		$	134,755		$	99,163		$	89,584
Net interest income (tax-equivalent basis)	$	156,094		$	113,311		$	95,887		$	85,487		$	77,640
Total noninterest income		141,581			144,685			92,380			50,802			41,386
Less bargain purchase gain		—			—			2,794
Less change in fair value on MSRs		(3,424	)		—			—			—			—
Less gain on sales of other real estate		774			1,282			(317	)		132			—
Less (loss) gain on other assets		(664	)		(103	)		(393	)		19			(67	)
Less gain on securities		285			4,407			1,844			2,000			34
Adjusted noninterest income	$	144,610		$	139,099		$	88,452		$	48,651		$	41,419
Adjusted operating revenue	$	300,704		$	252,410		$	184,339		$	134,138		$	119,059
Efficiency ratio (GAAP)		75.40	%		76.20	%		74.36	%		76.14	%		76.66	%
Adjusted efficiency ratio (tax-equivalent basis)		67.31	%		70.59	%		73.10	%		73.93	%		75.24	%

Tangible book value per common share and tangible common equity to tangible assets

Tangible book value per common share and tangible common equity to tangible assets are non-GAAP measures that exclude the impact of goodwill and other intangibles used by the Company’s management to evaluate capital adequacy.  Because intangible assets such as goodwill and other intangibles vary extensively from company to company, we believe that the presentation of this information allows investors to more easily compare the Company’s capital position to other companies.  The most directly comparable financial measure calculated in accordance with GAAP is book value per common share and our total shareholders’ equity to total assets.

The following table presents, as of the dates set forth below, tangible common equity compared with total shareholders’ equity, tangible book value per common share compared with our book value per common share and common equity to tangible assets compared to total shareholders’ equity to total assets:

	As of December 31,
(dollars in thousands, except per share data)	2017			2016			2015			2014			2013
Tangible Assets
Total assets	$	4,727,713		$	3,276,881		$	2,899,420		$	2,428,189		$	2,258,387
Adjustments:
Goodwill		(137,190	)		(46,867	)		(46,904	)		(46,904	)		(46,904	)
Core deposit and other intangibles		(14,902	)		(4,563	)		(6,695	)		(3,495	)		(5,108	)
Tangible assets	$	4,575,621		$	3,225,451		$	2,845,821		$	2,377,790		$	2,206,375
Tangible Common Equity
Total shareholders' equity	$	596,729		$	330,498		$	236,674		$	215,228		$	189,687
Adjustments:
Goodwill		(137,190	)		(46,867	)		(46,904	)		(46,904	)		(46,904	)
Core deposit and other intangibles		(14,902	)		(4,563	)		(6,695	)		(3,495	)		(5,108	)
Tangible common equity	$	444,637		$	279,068		$	183,075		$	164,829		$	137,675
Common shares outstanding		30,535,517			24,107,660			17,180,000			17,180,000			17,180,000
Book value per common share	$	19.54		$	13.71		$	13.78		$	12.53		$	11.04
Tangible book value per common share		14.56			11.58			10.66			9.59			8.01
Total shareholders' equity to total assets		12.62	%		10.09	%		8.16	%		8.86	%		8.40	%
Tangible common equity to tangible    assets		9.72	%		8.65	%		6.43	%		6.93	%		6.24	%

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ITEM 7 – Management’s discussion and analysis of financial condition and results of operations

The following is a discussion of our financial condition at December 31, 2017 and 2016 and our results of operations for each of the three years in the three year period ended December 31, 2017, and should be read in conjunction with our audited consolidated financial statements included elsewhere herein. This discussion and analysis contains forward-looking statements that are subject to certain risks and uncertainties and are based on certain assumptions that we believe are reasonable but may prove to be inaccurate. Certain risks, uncertainties and other factors, including those set forth in the “Cautionary note regarding forward-looking statements” and “Risk Factors” sections of this Annual Report, may cause actual results to differ materially from those projected results discussed in the forward-looking statements appearing in this discussion and analysis. We assume no obligation to update any of these forward-looking statements.

Critical accounting policies

Our financial statements are prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and general practices within the banking industry.  Within our financial statements, certain financial information contain approximate measurements of financial effects of transactions and impacts at the consolidated balance sheet dates and our results of operations for the reporting periods.  We monitor the status of proposed and newly issued accounting standards to evaluate the impact on our financial condition and results of operations. Our accounting policies, including the impact of newly issued accounting standards, are discussed in further detail in Note 1, “Summary of Significant Accounting Policies,” in the notes to our consolidated financial statements. The following discussion presents some of the more significant judgments and estimates used in preparing our financial statements.

Allowance for loan losses

The allowance for loan losses is established through a provision for loan losses charged to expense. Management periodically reviews the allowance for loan losses. Loans are charged against the allowance for loan losses when management believes that the collectability of principal is unlikely. Recoveries of amounts previously charged off are credited to the allowance. In the event management concludes that the allowance for loan losses is more than adequate to absorb potential loan losses, a reverse provision may be recorded whereby a credit is made to the expense account.

The allowance for loan losses is maintained at a level that management considers adequate to absorb probable incurred credit losses on outstanding loans. Factors considered in management’s evaluation of the adequacy of the allowance are current and anticipated economic conditions, previous loan loss experience, changes in the nature, volume and composition of the loan portfolio, industry or other concentrations of credit, review of specific problem loans, the level of classified and nonperforming loans, the results of regulatory examinations, the estimated fair value of underlying collateral and overall quality of the loan portfolio. The allowance consists of specific and general components. The specific component relates to loans that are classified as impaired. For such loans, an allowance is established when the discounted cash flows or the collateral value, less estimated selling costs, of the impaired loan is lower than the carrying value of that loan. The general component covers non-impaired loans and is based on historical loss experience with the overall level, adjusted for qualitative, economic and other factors impacting the future collectability of the loan portfolio.

Certain loans acquired in acquisitions or mergers are accounted for under ASC 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality,” which prohibits the carryover of an allowance for loan losses for loans acquired in which the acquirer concludes that it will not collect the contractual amount. As a result, these loans are carried at values which represent management’s estimate of the future cash flows of these loans. Increases in expected cash flows to be collected from the contractual cash flows are required to be recognized as an adjustment to the loan’s yield over its remaining life, while decreases in expected cash flows are required to be recognized as an impairment.

Investment securities

Debt securities are classified as held to maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they might be sold before maturity. Equity securities with readily determinable fair values are classified as available-for-sale. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income (loss), net of applicable taxes.

Interest income includes the amortization and accretion of purchase premium and discount. Premiums and discounts on securities are amortized on the level-yield method anticipating prepayments based upon the prior three month average monthly prepayments when available. Gains and losses on sales are recorded on the trade date and determined using the specific identification method as no ready market exists for this stock and it has no quoted market value.

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We evaluate securities for other-than-temporary impairment (“OTTI”) at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. For securities in an unrealized loss position, consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, and our intent and ability to retain our investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. In analyzing an issuer’s financial condition, we consider whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition.

When OTTI is determined to have occurred, the amount of the OTTI recognized in earnings depends on whether we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, less any current-period credit loss. If we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, less any current-period credit loss, the OTTI recognized in earnings is equal to the entire difference between its amortized cost basis and its fair value at the balance sheet date. If we do not intend to sell the security and it is not more likely than not that we will be required to sell the security before recovery of its amortized cost basis less any current-period loss, the OTTI is separated into the amount representing the credit loss and the amount related to all other factors. The amount of the total related to the credit loss is determined based on the present value of cash flows expected to be collected and is recognized as a charge to earnings. The amount of the OTTI related to other factors is recognized in other comprehensive income (loss), net of applicable taxes. The previous amortized cost basis less the OTTI recognized in earnings becomes the new amortized cost basis of the investment.

Loans held for sale

Loans originated and intended for sale in the secondary market, primarily mortgage loans, are carried at fair value as permitted under the guidance in ASC 825, “Financial Instruments.” Gains and losses are recognized in income at the time the loan is closed. These gains and losses are classified under the line item “Mortgage banking income” in our consolidated financial statements. Pass through origination costs and related loan fees are also included in “Mortgage banking income.” Other expenses are classified in the appropriate noninterest expense accounts.

Other real estate owned

Other real estate owned (“OREO”) includes real estate acquired through, or in lieu of, loan foreclosure and excess land and facilities held for sale. OREO is initially recorded at fair value less the estimated cost to sell at the date of foreclosure which may establish a new cost basis. After foreclosure, valuations are periodically performed by management and the asset is carried at the lower of carrying amount or fair value less costs to sell. Revenue and expenses from operations are included in other noninterest income and noninterest expenses. Losses due to the valuation of the property are included in loss on sales or write-downs of other real estate owned.

Mortgage servicing rights

We began retaining the right to service certain mortgage loans in 2014 that we sell to secondary market investors. These mortgage servicing rights are recognized as a separate asset on the date the corresponding mortgage loan is sold.

In periods prior to 2017, mortgage servicing rights were carried at amortized cost less impairment mortgage servicing rights were amortized in proportion to and over the period of estimated net servicing income. Fair value was determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs, and other factors. Impairment losses on mortgage servicing rights were recognized to the extent by which the unamortized cost exceeded fair value.

As of January 1, 2017, the Company elected to account for its mortgage servicing rights under the fair value option as permitted under ASC 860-50-35, Transfers and Servicing. The change in accounting policy resulted in a one-time adjustment to retained earnings for the after-tax increase in fair value above book value at January 1, 2017. Subsequent changes in fair value are recorded in earnings in Mortgage banking income.

Goodwill and other intangible assets

Goodwill represents the excess of the cost of an acquisition over the fair value of the net assets acquired. Goodwill impairment testing is performed annually or more frequently if events or circumstances indicate possible impairment. Goodwill is assigned to the Company’s reporting units, which are determined based on geography and may include one or more individual branches. Fair values of reporting units are determined using either discounted cash flow analyses based on internal financial forecasts or, if available, market-based valuation multiples for comparable businesses. If the

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estimated implied fair value of goodwill is less than the carrying amount, an impairment loss would be recognized as noninterest expense to reduce the carrying amount to the estimated implied fair value which could be material to our operating results for any particular reporting period.

Other intangible assets consist of core deposit intangible assets arising from whole bank and branch acquisitions in addition to an operating lease intangible, customer base trust intangible and a loan servicing intangible related to a manufactured housing recorded in conjunction with the merger with the Clayton Banks completed on July 31, 2017. All intangible assets are initially measured at fair value and then amortized over their estimated useful lives.

Rate-lock commitments and forward loan sale contracts

We enter into commitments to originate and purchase loans whereby the interest rate on the loan is determined prior to funding (rate-lock commitments). Rate-lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Accordingly, such commitments, along with any related fees received from potential borrowers, are recorded at fair value in other assets or liabilities, with changes in fair value recorded in mortgage banking income. Fair value is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered.

We utilize forward loan sale contracts to mitigate the interest rate risk inherent in our mortgage loan pipeline and held-for-sale portfolio. Forward loan sale contracts are contracts for delayed delivery of mortgage loans. We agree to deliver on a specified future date, a specified instrument, at a specified price or yield. However, the contract may allow for cash settlement. The credit risk inherent to us arises from the potential inability of counterparties to meet the terms of their contracts. In the event of non-acceptance by the counterparty, we would be subject to the credit and inherent (or market) risk of the loans retained. Such contracts are accounted for as derivatives and, along with related fees paid to investor are recorded at fair value in derivative assets or liabilities, with changes in fair value recorded in mortgage banking income. Fair value is based on the estimated amounts that we would receive or pay to terminate the commitment at the reporting date.

Business combinations, Accounting for Acquired Loans and related Assets

We account for our acquisitions under ASC 805, “Business Combinations”, which requires the use of the purchase method of accounting. All identifiable assets acquired, including loans, are recorded at fair value. No allowance for loan losses related to the acquired loans is recorded on the acquisition date because the fair value measurements incorporate assumptions regarding the credit risk. The fair value measurements of acquired loans are based on the estimates related to expected prepayments and the amount of timing of undiscounted expected principal, interest and other cash flows.

Over the life of the acquired loans, we continue to estimate cash flows expected to be collected on individual loans or on pools of loans sharing common risk characteristics. We evaluate, as of the end of each fiscal quarter, the present value of the acquired loans determined using the effective interest rates. If the cash flows expected to be collected have decreased, we recognize a provision for loan loss in our consolidated statement of income; for any increases in cash flows expected to be collected, the Company adjusts the amount of acceptable yield recognized on a prospective basis over the loans’ or the pool’s remaining life.

Overview

We are a bank holding company headquartered in Nashville, Tennessee. We operate primarily through our wholly-owned bank subsidiary, FirstBank, the third largest bank headquartered in Tennessee, based on total assets. FirstBank provides a comprehensive suite of commercial and consumer banking services to clients in select markets in Tennessee, North Alabama, and North Georgia. Our footprint includes 56 full-service bank branches and 9 other banking locations serving the following MSAs Nashville, Chattanooga (including North Georgia), Knoxville, Memphis, Jackson, and Huntsville (AL) and 12 community markets throughout Tennessee. FirstBank also provides mortgage banking services utilizing its bank branch network and mortgage banking offices strategically located throughout the southeastern United States and a national internet delivery channel.

We operate through two segments, Banking and Mortgage. We generate most of our revenue in our Banking segment from interest on loans and investments, loan-related fees, mortgage originations in our banking footprint, investment services and deposit-related fees and, in our Mortgage segment, from origination fees and gains on sales in the secondary market of mortgage loans that we originate outside our Banking footprint or through our internet delivery channels and from servicing. Our primary source of funding for our loans is customer deposits, and to a lesser extent Federal Home Loan Bank advances and other borrowings.

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Mergers and acquisitions

Clayton Bank and Trust and American City Bank

Effective July 31, 2017, the Company and FirstBank completed the previously-announced merger with Clayton Bank and Trust (“CBT”) and American City Bank (“ACB” and together with CBT, the “Clayton Bank”), pursuant to the Stock Purchase Agreement dated February 8, 2017, as amended on May 26, 2017, with Clayton HC, Inc., a Tennessee Corporation (“Seller”), and James L. Clayton, the majority shareholder of Seller. The transaction was valued at approximately $236.5 million. The Company issued 1,521,200 share of common stock and paid approximately $184.2 million to purchase all of the outstanding shares of the Clayton Banks. At closing, the Clayton Banks merged with and into FirstBank, with FirstBank continuing as the surviving banking corporation. After finalizing purchase accounting adjustments, the Clayton Banks merger added approximately $1,215.8 million in total assets, $1,059.7 million in loans, and $979.5 million in deposits. Operating results for 2017 include the operating results of the acquired assets and assumed liabilities of the Clayton Banks subsequent to the acquisition date. Substantially all of the operations of the Clayton Banks are included in the Banking Segment. We incurred merger and conversion expenses connected with this transaction amounting to $19.0 million during the year ended December 31, 2017.

Northwest Georgia Bank

On September 18, 2015, we completed our acquisition of Northwest Georgia Bank (“NWGB”), pursuant to an Agreement and Plan of Merger dated April 27, 2015. We acquired the stock of NWGB for $1.5 million in cash. NWGB was a 110-year old institution with six branches, primarily serving clients in the Chattanooga MSA, including parts of northern Georgia. We acquired net assets with a fair value of approximately $272.3 million, which includes a bargain purchase gain of $2.8 million, loans with a fair value of approximately $78.6 million, and assumed liabilities of approximately $268.1 million, including deposits with a fair value of approximately $246.2 million. At the acquisition date, $4.9 million of core deposit intangible assets were recorded. Additionally, we recorded merger and conversion related charges totaling $3.3 million and $3.5 million for the years ended December 31, 2016 and 2015, respectively.

Key factors affecting our business

Economic conditions

Our business and financial performance are affected by economic conditions generally in the United States and more directly in the markets where we primarily operate. The significant economic factors that are most relevant to our business and our financial performance include the general economic conditions in the U.S. and in our markets, unemployment rates, real estate markets and interest rates.

The United States economy expanded by 2.6% at an annual rate in the fourth quarter of 2017, due primarily to increases in consumer spending, business investment, exports, housing investment as well as state and local government spending. This expansion follows the growth experienced in 2014 through 2016, which followed modest growth in 2013. Unemployment rates decreased slightly, following a pattern of continuous decline. According to the U.S. Bureau of Labor Statistics, the seasonally adjusted unemployment rate at December 31, 2017 was 4.1% compared to 4.7% at December 31, 2016 and 5.0% at December 31, 2015. The Federal Reserve Board increased its federal funds target range by 25 basis points in December 2017 to 125-150 basis points, the third increase to its target range since December 2016. Interest rates remain extraordinarily low by historical standards, but are expected to increase over time, and general economic conditions are supportive of growth.

Existing home sales in the United States, as indicated by the National Association of Realtors, grew to a seasonally adjusted annual rate of 5.6 million units in December 2017, compared to 5.5 million units in December 2016 and 5.3 million units in December 2015. New home sales showed continued solid growth to a seasonally adjusted annual rate of 625 thousand units in December 2017, up from 548 thousand units in December 2016, and 536 thousand units in December 2015. Home values, as indicated by the seasonally adjusted S&P CoreLogic Case-Shiller 20-City Composite Home Price Index, showed an increase of 6.2% from December 31, 2016 to December 31, 2017. Bankruptcy filings, per the U.S. Court Statistics, also improved with total filings down 0.7% for the year ended December 31, 2017, compared to the same period in 2016, with business filings down 4.0% and personal filings down 0.6%, for the year ending December 31, 2017, compared to the same period in 2016.  

According to the Beige Book published by the Federal Reserve Board in January 2018, overall economic activity in the Sixth Federal Reserve District (which includes Florida, Georgia, Tennessee, Alabama and parts of Mississippi and Louisiana) remains positive with most noting that economic conditions were improving at a modest pace over the reporting period. Most contacts expect continued slow and steady growth in the near-term. Business contacts experienced on-going labor market tightness but limited wage growth. Non-labor input costs increased slightly from the previous report. Contacts reported that holiday retail sales exceeded expectations, but auto sales softened. Reports from the hospitality

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sector were positive, reflecting strong advance bookings. Residential real estate brokers and builders noted mixed sales activity for both existing and new homes. Home prices rose and inventory levels were described as flat or down. Commercial real estate contacts reported increased demand in nonresidential construction, especially industrial and warehousing. Manufacturers indicated that new orders picked up since the previous report.

The economy in the state of Tennessee continued to see improvements as well, according to the U.S. Bureau of Economic Analysis. The unemployment rate, as indicated by the U.S. Bureau of Labor Statistics, improved to 3.2% as of December 31, 2017, down from 5.1% of December 31, 2016. Nashville achieved a historically low unemployment rate of 2.4% as of December 31, 2017, down from 3.8% as of December 31, 2016.

Interest rates

Net interest income is the largest contributor to our net income and is the difference between the interest and fees earned on interest-earning assets (usually loans and investment securities) and the interest expense incurred in connection with interest-bearing liabilities (usually deposits and borrowings). The level of net interest income is primarily a function of the average balance of interest-earning assets, the average balance of interest-bearing liabilities and the spread between the contractual yield on such assets and the contractual cost of such liabilities. These factors are influenced by both the pricing and mix of interest-earning assets and interest-bearing liabilities which, in turn, are impacted by external factors such as local economic conditions, competition for loans and deposits, the monetary policy of the Federal Reserve Board and market interest rates.

The cost of our deposits and short-term wholesale borrowings is largely based on short-term interest rates, which are primarily driven by the Federal Reserve Board’s actions. The yields generated by our loans and securities are typically driven by short-term and long-term interest rates, which are set by the market and are, at times, heavily influenced by the Federal Reserve Board’s actions. The level of net interest income is therefore influenced by movements in such interest rates and the pace at which such movements occur. Since 2012, short-term and long-term interest rates have remained at very low levels by historical standards, with many benchmark rates, such as the federal funds rate and one- and three-month LIBOR, near zero. Subsequent declines in the yield curve or a decline in longer-term yields relative to short-term yields (a flatter yield curve) would have an adverse impact on our net interest margin and net interest income. Although short-term interest rates have risen since the Federal Reserve Board increased the federal funds target range by 75 basis points in 2017, from a historical perspective the Federal Reserve continues to maintain an accommodative monetary policy, and we expect interest rates to continue to increase gradually throughout 2018. However, the low interest rate environment likely will not continue in the long-term .Continued rate increases may have the effect of decreasing our mortgage origination and our general mortgage banking profitability. For additional information regarding our interest rate risks factors and management, see “Business: Risk management: Liquidity and interest rate risk management”and “Risk factors: Risks related to our business.”

Credit trends

We focus on originating quality loans and have established loan approval policies and procedures to assist us in upholding the overall credit quality of our loan portfolio. However, credit trends in the markets in which we operate and in our loan portfolio can materially impact our financial condition and performance and are primarily driven by the economic conditions in our markets.

Underlying credit quality improved during 2017 compared to 2016 largely driven by the improvement in the macro-economic factors discussed above. This improvement in credit quality led to an improvement in our nonperforming loans and classified loans, although the aggregate amounts of nonperforming and classified loans increased due to our acquisition of the Clayton Banks. The percentage of total nonperforming loans to loans held for investment decreased to 0.32% for the year ended December 31, 2017, compared against 0.54% for 2016. Our loans classified as substandard declined 1.75% of loans held for investment for the year ended December 31, 2017, compared to 2.09% for 2016. Our nonperforming assets for the year ended December 31, 2017 were $71.9 million, or 1.52% of assets, increasing from $19.1 million, or 0.58% of assets for the year ended December 31, 2016. Excluding $43.0 million of rebooked GNMA loans (for which the Bank has the right to repurchase, but does not intend to repurchase) and $5.9 million of excess facilities acquired from the Clayton Banks, our adjusted nonperforming assets represented 0.49% of assets for the year ended December 31, 2017.

Although we have recently experienced favorable credit trends through 2017 and currently expect these trends to continue through 2018, we are sensitive to credit quality risks in our commercial real estate, commercial and industrial, and construction loan portfolios due to our concentration of loans in these categories. For additional information regarding credit quality risk factors for our Company, see “Business: Risk management: Credit risk management” and “Risk factors: Risks related to our business.”

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Competition

Our profitability and growth are affected by the highly competitive nature of the financial services industry. We compete with commercial banks, savings banks, credit unions, non-bank financial services companies, online mortgage providers and other financial institutions operating within the areas we serve, particularly with national and regional banks that often have more resources than we do to invest in growth and technology and community banks with strong local ties, all of which target the same clients we do. Recently, we have seen increased competitive pressures on loan rates and terms and increased competition for deposits. Continued loan pricing pressure may continue to affect our financial results in the future.

For additional information, see “Business: Our markets,” “Business: Competition” and “Risk factors: Risks related to our business.”

Regulatory trends and changes in laws

We are subject to extensive regulation and supervision, which continue to evolve as the legal and regulatory framework governing our operations continues to change. The current operating environment also has heightened supervisory expectations in areas such as consumer compliance, the Bank Secrecy Act and anti-money laundering compliance, risk management and internal audit. As a result of these heightened expectations, we expect to incur additional costs for additional compliance, risk management and audit personnel or professional fees associated with advisors and consultants.

As described further under “Business: Supervision and regulation,” we are subject to a variety of laws and regulations, including the Dodd-Frank Act. The Dodd-Frank Act is complex, and many aspects of it are subject to final rulemaking that continues to emerge. Implementation of the Dodd-Frank Act will continue to impact our earnings through higher compliance costs and imposition of new restrictions on our business. The Dodd-Frank Act may also continue to have a material adverse impact on the value of certain assets and liabilities held on our balance sheet. The ultimate impact of the Dodd-Frank Act on our business will depend on regulatory interpretation and rulemaking as well as the success of any of our actions to mitigate the negative impacts of certain provisions. Key parts of the Dodd-Frank Act that will specifically impact our business include the repeal of a previous prohibition against payment of interest on demand deposits, the implementation of the Basel III capital adequacy standards, a change in the basis for FDIC deposit insurance assessments, substantial revisions to the regulatory regime applicable to the mortgage market, and enhanced emphasis on consumer protection generally.

See also “Risk factors: Risks related to our regulatory environment.”

Factors affecting comparability of financial results

S Corporation status

From our formation in 2001 through September 16, 2016, we elected to be taxed for federal income tax purposes as a “Subchapter S corporation” under the provisions of Section 1361 through 1379 of the Internal Revenue Code of 1986, as amended (the “Code”). As a result, our net income was not subject to, and we have not paid, U.S. federal income taxes, and we have not been required to make any provision or recognize any liability for federal income tax in our financial statements for the periods ending on or prior to September 16, 2016. We terminated our status as a “Subchapter S” corporation in connection with our initial public offering as of September 16, 2016. We commenced paying federal income taxes on our pre-tax net income, and our net income for each fiscal year and each interim period commencing on or after September 16, 2016 will reflect a provision for federal income taxes. As a result of that change in our status under the federal income tax laws during 2016, the net income and earnings per share data presented in our historical financial statements set forth elsewhere in this report, which do not include any provision for federal income taxes, will not be comparable with our 2016 results or future net income and earnings per share in periods in which we are taxed as a C corporation, which will be calculated by including a provision for federal income taxes. Unaudited pro forma amounts for income tax expense and basic and diluted earnings per share are presented in the consolidated statements of income assuming the Company’s pro forma tax rates of 36.75% for the year ended December 31, 2016 and 35.08% for the year ended December 31, 2015 as if it had been a C corporation during those periods. The unaudited pro forma results for the year ended December 31, 2016 excludes the effect of recognition of the increase in the deferred tax liability of $13.2 million attributable to the conversion in our taxable status as discussed in Note 15 in the notes to our consolidated financial statements.

Although we have not historically paid federal income tax, in the past, we have made periodic cash distributions to our majority (and formerly sole) shareholder in amounts estimated to be necessary for him to pay his estimated individual U.S. federal income tax liabilities related to our taxable income that was “passed through” to him. However, these distributions have not been consistent, as sometimes the distributions have been lower than or in excess of the shareholder’s estimated individual U.S. federal income tax rates which may differ from the rates imposed on the income of C Corporations.  Our historical cash flows and financial condition have been affected by such cash distributions.  

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Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of the change in tax rates resulting from becoming a C Corporation was recognized in income in the third quarter of 2016 in which such change took place. On September 16, 2016, the Company recorded an additional net deferred tax liability of $13.2 million to recognize the difference between the financial statement carrying amounts of assets and liabilities and their respective tax bases as of the date that the Company became a taxable corporate entity. In recording the impact of the conversion to a C Corporation, the Company recorded a deferred income tax expense of $3.0 million related to the unrealized gain on available for sale securities through the income statement; therefore, the amount shown in other comprehensive income has not been reduced by the above expense. This difference will remain in OCI until the underlying securities are sold or mature.

Public company costs

On August 19, 2016, we filed a Registration Statement on Form S-1 with the SEC. That Registration Statement was declared effective by the SEC on September 15, 2016. We sold and issued 6,764,704 shares of common stock at $19 per share pursuant to that Registration Statement. Total proceeds received, net of offering costs, were approximately $115.5 million. The proceeds were used to fund a $55.0 million distribution to the majority shareholder representing undistributed earnings previously taxed to him under subchapter S, and used to repay all $10.1 million aggregate principal amount of subordinated notes held by the majority shareholder, plus any accrued and unpaid interest thereon. We qualify as an “emerging growth company” as defined by the Jumpstart Our Business Startups Act (JOBS Act).

There are additional costs associated with operating as a public company, hiring additional personnel, enhancing technology and expanding additional operational and administrative capabilities. We expect that these costs will include legal, regulatory, accounting, investor relations and other expenses that we did not incur as a private company. Sarbanes-Oxley, as well as rules adopted by the U.S. Securities and Exchange Commission, or SEC, the FDIC and national securities exchanges also requires public companies to implement specified corporate governance practices. In addition, due to regulatory changes in the banking industry and the implementation of new laws, rules and regulations, we are now subject to higher regulatory compliance costs. These additional rules and regulations also increase our legal, regulatory, accounting and financial compliance costs and make some activities more time-consuming.

Tax legislation changes

In addition, on December 22, 2017, the Tax Cuts and Jobs Act (the “Tax Reform Act”) was enacted into law. The Tax Reform Act provides for significant changes to the U.S. tax code that impact businesses. Effective January 1, 2018, the Tax Reform Act reduces the U.S. federal tax rate for corporations from 35% to 21% for U.S. taxable income and requires a one-time remeasurement of deferred taxes to reflect their value at a lower tax rate of 21%. The Tax Reform Act includes other changes, including, but not limited to, immediate deductions for certain new investments instead of deductions for depreciation expense over time, additional limitations on the deductibility of executive compensation and limitations on the deductibility of interest. For more information regarding the impact of the Tax Reform Act on the Company, see Note 15, “Income Taxes” in the notes to our consolidated financial statements.

Overview of recent financial performance

Results of operation

Our financial performance over the last three years primarily reflects the success of our growth strategies and the continued economic improvement in our markets, as described above. As a result, we have improved our pre-tax and pro forma net income and profitability over each of the last three years. Our net income increased by 29.1% in 2017 to $52.4 million from $40.6 million in 2016. Pre-tax net income increased by 11.2 million, or 17.9%, from $62.3 million for the year ended December 31, 2016 to $73.5 million for the year ended December 31, 2017. Our unaudited pro forma net income for the year ended 2016 was $39.4 million, up by $6.4 million, compared to the year ended December 31, 2015. Pre-tax net income and unaudited pro forma net income for the year ended December 31, 2015 were $50.8 million and $33.0 million, respectively. There was a 15.2% decrease in net income in 2016 from net income of $47.9 million in 2015 due to our conversion to a C corporation, which included a $13.2 million charge to income related to our conversion to a C corporation in connection with our initial public offering in the third quarter of 2016. Our net income represented a return on average assets, or ROAA, of 1.37%, 1.35% and 1.86% in 2017, 2016 and 2015, respectively, and a return on average shareholders’ equity, or ROAE, of 11.24%, 14.68% and 20.91% in 2017, 2016 and 2015, respectively. Our ratio of average shareholders’ equity to average assets in 2017, 2016 and 2015 was 12.23%, 9.22% and 8.88% respectively.

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The improvement in pre-tax net income has resulted primarily from growth in our net interest income, which has been enhanced by consistently improved net interest margins. Net interest income increased to $154.2 million in 2017 compared to $112.4 million in 2016 and $96.9 million for 2015. The increase in net interest income was attributable to the success of our growth initiatives.  Continued strong demand for our loan products in the metropolitan markets, the hiring of additional lenders, and a concerted effort to increase customer deposits has fueled our organic growth while the merger with the Clayton Banks on July 31, 2017 has significantly increased our presence in the Knoxville MSA and surrounding community markets.

Noninterest income for 2017 compared to 2016 decreased by $3.1 million, or 2.1%, primarily due to a decrease in gain on sale of securities of approximately $4.1 million during the period. This followed a 56.6% increase in noninterest income in 2016 from noninterest income of $92.4 million in 2015 primarily due to the significant increase in mortgage banking income in 2016 which was partially offset by a bargain purchase gain of $2.8 million in 2015. Our net interest margin, on a tax-equivalent basis, has consistently improved over the last three years, increasing to 4.46% in 2017 as compared to 4.10% in 2016 and 3.97% in 2015. The increase in 2017 was primarily a result of the impact of the product mix acquired from the Clayton Banks, an increase in accretion from the Clayton Banks’ loan mark increased loan rates and fees and the collection of nonaccrual interest income during the same period in addition to our continued efforts to maintain our cost of funds, loan growth and increased volume in loans held for sale.

Noninterest expense increased to $222.3 million for 2017 compared to $194.8 million and $138.5 million for 2016 and 2015, respectively. The increases were a result of merger and conversion costs resulting from the Clayton Banks transaction and continued increases in personnel costs associate with our growth offset by the impact of the change to fair value election on MSRs as of January 1, 2017.

Financial condition

Our total assets grew by 44.3% in 2017 to $4.73 billion at December 31, 2017 as compared to $3.28 billion at December 31, 2016.  The significant increase resulted from the merger with the Clayton Banks which increased loans approximately $1,060 million, goodwill approximately $90 million, and other intangibles approximately $12 million when the merger was completed on July 31, 2017.  Additionally, we continued to see strong organic loan growth of approximately 13.9% during 2017.

In 2017, we grew total deposits by 37.2% to $3.66 billion and noninterest bearing deposits by 27.4% to $888.2 million at December 31, 2017 from $2.67 billion and $697.1 million, respectively, at December 31, 2016. Most of the increase resulted from the merger with the Clayton Banks which increased deposits approximately $979.5 million when the merger was completed on July 31, 2017.

Business segment highlights

We operate our business in two business segments: Banking and Mortgage. See Note 21, “Segment Reporting,” in the notes to our consolidated financial statements for a description of these business segments.

During the first quarter of 2016, management evaluated the current composition of its operating segments – Banking and Mortgage. The primary focus of the evaluation was on capturing all of the revenue and expenses from all customer activities within the Banking segment’s geographic footprint. Specifically, the primary product and service that was not previously captured by the Banking segment related to our retail mortgage origination activities occurring within our banking geographic footprint and typically within our existing branch network. Therefore, we have reclassified the revenue and associated expenses from the retail mortgage origination activities within the banking geographic footprint into the Banking segment from the Mortgage segment for all periods presented. Based on the review and evaluation of the revised information, our chief executive officer believes that this presentation better presents the results of each segment to enhance overall resource allocation and evaluation of the Company’s performance. Additionally, we believe that the revised results of the Banking segment become more comparable to other banking organizations for analysis and understanding of the Banking segment operating results.

As discussed above, the mortgage retail origination activities within the Banking segment contributed the following to Banking segment results:

	Year Ended December 31,
	2017		2016		2015
Mortgage banking income	$	26,737	$	25,542	$	18,718
Noninterest expense		21,714		16,095		13,189

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Banking

Income before taxes increased by $4.7 million, or 8.4% in the year ended December 31, 2017 to $60.4 million as compared to $55.7 million in the year ended December 31, 2016. The increase reflects an improvement of $40.7 million in net interest income due to an increase of $667.5 million in average loan balances driven by our merger with the Clayton Banks in addition to 13.9% organic loan growth combined with favorable interest rates and an improved credit environment. Noninterest expense increased $34.4 million, primarily due to increased merger and conversion costs of $15.8 million attributed to our merger with the Clayton Banks in addition to increases in salaries and other costs associated with our growth.

Income before taxes increased by $11.8 million, or 26.8% in the year ended December 31, 2016 to $55.7 million as compared to $43.9 million in the year ended December 31, 2015. The increase reflects an improvement of $20.0 million in net interest income due to increase of $222.1 million in average loan balances driven primarily by interest rates and an improved credit environment, the overall economic climate and the implementation of our growth initiatives in addition to our acquisition of NWGB. Noninterest expense increased $18.2 million, primarily due to increases in salaries, other costs associated with our growth and operating of NWGB for the entire year of 2016 compared with approximately three and a half months in 2015

Mortgage

Income before taxes from the mortgage segment increased $6.5 million in the year ended December 31, 2017 to $13.1 million as compared to $6.6 million in the year ended December 31, 2016. This increase is primarily attributable to increased interest rate lock commitments.Interest rate lock commitment volume increased $1,604.7 million for the year ended December 31, 2017 to $7,570.4 million as compared to $5,965.7 million for the year ended December 31, 2016. The increase in interest rate lock commitment volume is primarily due to increased activity in our correspondent delivery channel, which was established in the second quarter of 2016. Noninterest income decreased $2.0 million to $90.2 million for the year ended December 31, 2017 as compared to $92.2 for the year ended December 31, 2016, driven by the change in delivery channel mix of interest rate lock commitment volume during the year. Additionally, on January 1, 2017, fair value accounting was elected on MSRs; the change in fair value is now included in mortgage banking income and amounted to a $4.0 million charge offset by a hedging gain of $0.6 million during the year ended December 31, 2017. Previous to this change, amortization and impairment of MSRs was included in noninterest expense and amounted to $13.0 million for the year ended December 31, 2016. This decline in amortization and impairment was partially offset by an increase in other mortgage noninterest expense of $6.2 million related to the correspondent channel and overall increased production. Interest rate lock commitments in the pipeline at December 31, 2017 were $504.2 million compared with $532.9 million at December 31 2016.

Income before taxes from the mortgage segment decreased $0.3 million in the year ended December 31, 2016 to $6.6 million as compared to $6.9 million in the year ended December 31, 2015. This decrease is primarily attributable to increased impairment on mortgage servicing rights during the year ended December 31, 2016 in addition to a loss on sale of mortgage servicing rights of $4.4 million.Interest rate lock commitment volume increased $2,485.6 million for the year ended December 31, 2016 to $5,965.7 million as compared to $3,480.1 million for the year ended December 31, 2015. The increase in volume was the result of the expansion of the consumer direct delivery and correspondent delivery channels and a favorable interest rate environment through the majority of 2016. During the fourth quarter of 2016, mortgage rates increased. The combination of this increase in rates and the overall seasonal nature of historical mortgage production caused a decline in the level of interest rate lock commitments during the fourth quarter. Noninterest income increased $40.7 million to $92.2 million for the year ended December 31, 2016 as compared to $51.5 for the year ended December 31, 2015, reflecting the significant increased activity in mortgage loan volume. The increase in noninterest income was partially offset by a $38.1 million increase in noninterest expense, which includes an impairment of mortgage servicing rights of $4.7 million in addition to increased personnel and occupancy costs associated with our growth.

Results of operation

Throughout the following discussion of our operating results, we present our net interest income, net interest margin and efficiency ratio on a fully tax-equivalent basis. The fully tax-equivalent basis adjusts for the tax-favored status of net interest income from certain loans and investments. We believe this measure to be the preferred industry measurement of net interest income, which enhances comparability of net interest income arising from taxable and tax-exempt sources. The adjustment to convert certain income to a tax-equivalent basis consists of dividing tax exempt income by one minus the combined federal and state statutory income tax rate of 39.225%.

Net interest income

Our net interest income is primarily affected by the interest rate environment, and by the volume and the composition of our interest-earning assets and interest-bearing liabilities. We utilize net interest margin, or NIM, which represents net interest income divided by average interest-earning assets, to track the performance of our investing and lending activities. We earn interest income from interest, dividends and fees earned on interest-earning assets, as well as from

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amortization and accretion of discounts on acquired loans. Our interest-earning assets include loans, time deposits in other financial institutions and securities available for sale. We incur interest expense on interest-bearing liabilities, including interest-bearing deposits, borrowings and other forms of indebtedness as well as from amortization of premiums on purchased deposits. Our interest-bearing liabilities include deposits, advances from the FHLB, other borrowings and other liabilities.

Year ended December 31, 2017 compared to year ended December 31, 2016

Net interest income before the provision for loan losses increased 38.1% to $153.3 million in the year ended December 31, 2017 compared to $111.0 million in the year ended December 31, 2016. On a tax-equivalent basis, net interest income increased $42.8 million to $156.1 million in the year ended December 31, 2017 as compared to $113.3 million in the year ended December 31, 2016. The increase in tax-equivalent net interest income in the year ended December 31, 2017 was primarily driven by higher loan balances, due to the success of our growth initiatives, including our merger with the Clayton Banks.

Interest income, on a tax-equivalent basis, was $172.4 million for the year ended December 31, 2017, compared to $122.9 million for the year ended December 31, 2016, an increase of $49.6 million. The two largest components of interest income are loan income and investment income. Loan income consists primarily of interest earned on our loans held for investment portfolio. Investment income consists primarily of interest earned on our investment portfolio. Loan income related to loans held for investment in addition to loans held for sale, on a tax-equivalent basis, increased $42.2 million to $137.0 million from $94.8 million for the year ended December 31, 2016 primarily due to increased average loan balances of $667.5 million in addition to $5.4 million in accretion on loans purchased in our acquisitions. The tax-equivalent yield on loans was 5.66%, up 25 basis points from the year ended December 31, 2016. The increase in yield was primarily due to the contractual interest rate on loans held for investment, which yielded 4.95% for the year ended December 31, 2017.

The components of our loan yield, a key driver to our NIM for the December 31, 2017, 2016 and 2015 were as follows:

	Year Ended December 31,
	2017					2016					2015
(dollars in thousands)	Interest income		Average yield			Interest income		Average yield			Interest income/ expense		Average yield/ rate
Loan yield components:
Contractual interest rate on loans held for    investment (1)	$	119,617		4.95	%	$	82,136		4.69	%	$	73,021		4.78	%
Origination and other loan fee income		7,638		0.32	%		7,208		0.41	%		4,310		0.28	%
Accretion on purchased loans		5,419		0.22	%		3,538		0.20	%		254		0.02	%
Nonaccrual interest collections		3,266		0.14	%		1,075		0.06	%		—		0.00	%
Syndicated loan fee income		1,010		0.04	%		825		0.05	%		690		0.05	%
Total loan yield	$	136,950		5.66	%	$	94,782		5.41	%	$	78,275		5.12	%

(1) Includes tax equivalent adjustment

Accretion on purchased loans contributed 15 and 13 basis points to the NIM for the year ended December 31, 2017 and 2016, respectively. Additionally, syndicated loan fees contributed 3 basis points to the NIM for each of the year ended December 31, 2017 and 2016, and nonaccrual interest collections contributed 9 and 4 basis points to the NIM for the same periods, respectively.

For the year ended December 31, 2017, interest income on loans held for sale increased $6.0 million compared to the year ended December 31, 2016. This resulted from a $3.7 million increase in interest income from higher interest rates and a $2.3 million increase in interest income from growth in volume. For the year ended December 31, 2017, investment income, on a tax-equivalent basis, increased to $16.7 million compared to $16.2 million for the year ended December 31, 2016. The average balance in the investment portfolio in the year ended December 31, 2017 was $558.0 million compared to $576.9 million in the year ended December 31, 2016. The decline in the balance is driven by the use of investment cash flow to fund loan growth.

Interest expense was $16.3 million for the year ended December 31, 2017, an increase of $6.8 million, or 71.2%, as compared to the year ended December 31, 2016. The increase in interest expense was primarily due to an increase in deposit interest expense driven by overall increased interest rates and growth in deposit volume driven by our merger with the Clayton Banks. Interest expense on deposits was $13.0 million and $7.3 million for the year ended December 31, 2017 and 2016, respectively. The cost of total deposits was 0.42% and 0.29% for the year ended December 31, 2017 and 2016, respectively. The cost of interest-bearing deposits was 0.56% and 0.40% for the same periods, respectively. The primary driver for the increase in total interest expense is the increase in money market and time deposit interest expense.  Money market interest expense increased to $5.4 million from $2.3 million for the year ended December 31,

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2017 and 2016, respectively, driven by an increase in rate and balances. The rate on money markets was 0.61%, up 24 basis points from year ended December 31, 2016. Time deposit interest expense increased $1.8 million to $3.8 million from the year ended December 31, 2016, driven by an increase in rate and balances. The rate on time deposits was 0.73%, up 25 basis points from the year ended December 31, 2016 due to the higher renewal rate of maturing accounts. Average time deposit balances increased $110.3 million to $511.7 million from $401.5 million during the year ended December 31, 2017. The increase is due to a change in product mix attributable to our merger with the Clayton Banks, which increased average brokered and internet time deposits by $42.2 million for the year ended December 31, 2017 compared to the same period in 2016.  The rate on brokered and internet time deposits carried an inherently higher rate at 1.54% for the year ended December 31, 2017 compared to the same period in 2016.  The rate on brokered and internet time deposits carried an inherently higher rate at 1.54% for the year ended December 31, 2017 than traditional customer time deposits, which carried a rate of 0.66% for the year ended December 31,2017 compared to 0.48% for the year ended December 31, 2016, reflecting rate increases. Interest expense on borrowings was $3.3 million and $2.2 million for the year ended December 31, 2017 and 2016, respectively, while the cost of total borrowings was 2.09% and 1.49% for the year ended December 31, 2017 and 2016, respectively. The increase in expense on borrowing was due primarily to an increase in interest expense on FHLB advances which increased to $1.7 million from $0.7 for the year ended December 31, 2017 and 2016, respectively, driven by increased balances primarily related to our funding strategy for the merger with the Clayton Banks in addition to increased rates during the year.

Our net interest margin, on a tax-equivalent basis, increased to 4.46% during the year ended December 31, 2017 from 4.10% in the year ended December 31, 2016, primarily as a result of increased loan yield driven primarily by increased volume as a result of our merger with the Clayton Banks in addition to increased contractual rates, accretion on loans purchased from the Clayton Banks and nonaccrual interest income.

Year ended December 31, 2016 compared to year ended December 31, 2015

Net interest income increased 18.2% to $111.0 million for the year ended December 31, 2016 compared to $93.9 million for the year ended December 31, 2015. On a tax-equivalent basis, net interest income increased $17.4 million to $113.3 million for the year ended December 31, 2016 as compared to $95.9 million for the year ended December 31, 2015. The increase in tax equivalent net interest income in year ended December 31, 2016 was primarily driven by higher loan balances, partially due to the success of our acquisition of NWGB, including recognized accretion of the credit discount taken in purchase accounting of $3.5 million in the year ended December 31, 2016.

Interest income, on a tax-equivalent basis, was $122.9million for the year ended December 31, 2016, compared to $104.8 million for the year ended December 31, 2015, an increase of $18.1million. The two largest components of interest income are loan income and investment income. Loan income consists primarily of interest earned on our loan portfolio. Investment income consists primarily of interest earned on our investment portfolio. Loan income, on a tax-equivalent basis, increased $16.5million to $94.8million from $78.3 million for the year ended December 31, 2015 primarily due to increased average loan balances of $222.1million in addition to $3.5 million in accretion on loans purchased in our acquisition of NWGB. The tax-equivalent yield on loans was 5.41%, up 29 basis points from the year ended December 31, 2015. The increase in yield was primarily due to accretion on loans purchased from NWGB, which yielded 0.20%, in addition to increased origination fees which yielded 0.46%.

Accretion on purchased loans contributed 13 and 1 basis points to the NIM for each of the year ended December 31, 2016 and 2015, respectively.  Additionally, during the year ended December 31, 2016 and 2015, nonaccrual interest collections contributed 4 basis points and 0 basis points to the NIM, respectively, while syndicated loan fees contributed 3 basis points and 3 basis points to the NIM during the same periods.

Interest expense was $9.5million for the year ended December 31, 2016, an increase of $0.6 million, or 7.1%, as compared to the year ended December 31, 2015. The increase in interest expense was due primarily to an increase in deposit interest expense due to the growth in deposits, which includes our acquisition of NWGB. Interest expense on deposits was $7.3million and $6.3million for the years ended December 31, 2016 and 2015, respectively. The cost of total deposits was 0.29%and0.30% for the years ended December 31, 2016 and 2015, respectively. The cost of interest-bearing deposits was 0.40% and 0.40% for the same periods. The primary driver for the increase in total interest expense is the increase in money market interest expense to $2.3 million from $1.5 for the year ended December 31, 2016 and 2015, respectively, driven by an increase in rate and balances.  The rate on money markets was 0.37%, up 5 basis points from the year ended December 31, 2015. Time deposit interest expense also increased $0.4 million to $1.9 million from the year ended December 31, 2015, primarily as a result of increased balances.  The rate on time deposits was 0.48%, down 3 basis points from the year ended December 31, 2015 due to the lower renewal rate of maturing accounts.  Average time deposit balances increased $98.1 million to $401.5 million from $303.4 million during the year ended December 31, 2016. A primary driver of the increase in time deposits during the year ended December 31, 2016 is a result of restructuring an IRA savings product to a time deposit product during the second quarter of 2016, the average

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balance of which was $75.7 million. Interest expense on borrowings was $2.2 million and $2.6 million for the years ended December 31, 2016 and 2015, respectively, while the cost of total borrowings was 1.49% and 1.06% for the years ended December 31, 2016 and 2015, respectively.

Our net interest margin, on a tax-equivalent basis, increased to 4.10%for the year ended December 31, 2016 from 3.97% for the year ended December 31, 2015, primarily as a result of our continued efforts to reduce our cost of funds, growing loans and benefiting from our acquisition of NWGB.

Average balance sheet amounts, interest earned and yield analysis

The table below shows the average balances, income and expense and yield rates of each of our interesting-earning assets and interest-bearing liabilities on a tax-equivalent basis, if applicable, for the periods indicated.

	Year Ended December 31,
	2017								2016								2015
(dollars in thousands on tax-equivalent basis)	Average balances(1)			Interest income/ expense		Average yield/ rate			Average balances(1)			Interest income/ expense		Average yield/ rate			Average balances(1)			Interest income/ expense		Average yield/ rate
Interest-earning assets:
Loans(2)(4)	$	2,418,261		$	136,950		5.66	%	$	1,750,796		$	94,782		5.41	%	$	1,528,719		$	78,275		5.12	%
Loans held for sale		419,290			17,256		4.12	%		362,518			11,268		3.11	%		250,237			9,651		3.86	%
Securities:
Taxable		441,568			10,084		2.28	%		485,083			10,646		2.19	%		537,762			11,783		2.19	%
Tax-exempt(4)		116,384			6,592		5.66	%		91,863			5,548		6.04	%		73,871			4,620		6.25	%
Total Securities(4)		557,952			16,676		2.99	%		576,946			16,194		2.81	%		611,633			16,403		2.68	%
Federal funds sold		20,175			140		0.69	%		12,686			64		0.50	%		8,969			51		0.57	%
Interest-bearing deposits with other financial institutions		75,567			954		1.26	%		51,861			285		0.55	%		10,508			155		1.48	%
FHLB stock		8,894			460		5.17	%		6,630			262		3.95	%		6,692			262		3.92	%
Total interest earning assets(4)		3,500,139			172,436		4.93	%		2,761,437			122,855		4.45	%		2,416,758			104,797		4.34	%
Noninterest Earning Assets:
Cash and due from banks		53,653								46,523								45,987
Allowance for loan losses		(22,967	)							(23,986	)							(28,688	)
Other assets(3)		280,333								217,301								143,838
Total noninterest earning assets		311,019								239,838								161,137
Total assets	$	3,811,158							$	3,001,275							$	2,577,895
Interest-bearing liabilities:
Interest bearing deposits:
Customer time deposits	$	467,507		$	3,077		0.66	%	$	399,207		$	1,926		0.48	%	$	297,723		$	1,550		0.52	%
Broker and internet time deposits		44,234			682		1.54	%		2,276		3			0.13	%		5,631		9			0.16	%
Time deposits		511,741			3,759		0.73	%		401,483			1,929		0.48	%		303,354			1,559		0.51	%
Money market		888,258			5,387		0.61	%		614,804			2,292		0.37	%		455,271			1,477		0.32	%
Negotiable order of withdrawals		762,918			3,640		0.48	%		699,907			2,643		0.38	%		621,630			2,327		0.37	%
Savings deposits		156,328			245		0.16	%		129,544			478		0.37	%		183,307			929		0.51	%
Total interest bearing deposits		2,319,245			13,031		0.56	%		1,845,738			7,342		0.40	%		1,563,562			6,292		0.40	%
Other interest-bearing liabilities:
FHLB advances		110,764			1,778		1.61	%		64,309			688		1.07	%		17,885			608		3.40	%
Other borrowings		16,968			42		0.25	%		45,691			121		0.26	%		187,630			318		0.17	%
Long-term debt		30,930			1,491		4.82	%		38,207			1,393		3.65	%		41,003			1,692		4.13	%
Total other interest-bearing liabilities		158,662			3,311		2.09	%		148,207			2,202		1.49	%		246,518			2,618		1.06	%
Total Interest-bearing liabilities		2,477,907			16,342		0.66	%		1,993,945			9,544		0.48	%		1,810,080			8,910		0.49	%
Noninterest bearing liabilities:
Demand deposits		814,643								695,765								519,273
Other liabilities		52,389								34,978								19,698
Total noninterest-bearing liabilities		867,032								730,743								538,971
Total liabilities		3,344,939								2,724,688								2,349,051
Shareholders' equity		466,219								276,587								228,844
Total liabilities and shareholders' equity	$	3,811,158							$	3,001,275							$	2,577,895
Net interest income (tax-equivalent basis)				$	156,094							$	113,311							$	95,887
Interest rate spread (tax-equivalent basis)							4.36	%							4.05	%							3.93	%
Net interest margin (tax-equivalent basis)(5)							4.46	%							4.10	%							3.97	%
Average interest-earning assets to average interest-bearing liabilities							141.3	%							138.5	%							133.5	%

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(1) Calculated using daily averages.

(2) Average balances of nonaccrual loans are included in average loan balances. Loan fees of $7.6 million, $7.2 million and $4.3 million,  accretion of $5.4 million, $3.5 million and $0.3 million, nonaccrual interest collections of $3.3 million, $1.1 million and $0, and syndicated loan fees of $1.0 million, $0.8 million and $0.7 million are included in interest income in the years ended December 31, 2017, 2016 and 2015, respectively.

(3) Includes investments in premises and equipment, foreclosed assets, interest receivable, MSRs, core deposit and other intangibles, goodwill and other miscellaneous assets.

(4) Interest income includes the effects of taxable-equivalent adjustments using a U.S. federal income tax rate and, where applicable, state income tax to increase tax-exempt interest income to a tax-equivalent basis. The net taxable-equivalent adjustment amounts included in the above table were $2.8 million, $2.4 million and $2.0 million for the years ended December 31, 2017, 2016 and 2015, respectively.

Rate/volume analysis

The tables below present the components of the changes in net interest income for the year ended December 31, 2017 and 2016. For each major category of interest-earning assets and interest-bearing liabilities, information is provided with respect to changes due to average volumes and changes due to rates, with the changes in both volumes and rates allocated to these two categories based on the proportionate absolute changes in each category.

Year ended December 31, 2017 compared to year ended December 31, 2016

	Year ended December 31, 2017 compared to year ended December 31, 2016 due to changes in
(dollars in thousands on a tax-equivalent basis)	volume			rate			Net increase (decrease)
Interest-earning assets:
Loans(1)(2)	$	37,800		$	4,368		$	42,168
Loans held for sale		2,336			3,652			5,988
Securities available for sale and other securities:
Taxable		(994	)		432			(562	)
Tax Exempt(2)		1,389			(345	)		1,044
Federal funds sold and balances at Federal Reserve Bank		52			24			76
Time deposits in other financial institutions		299			370			669
FHLB stock		117			81			198
Total interest income(2)		40,999			8,582			49,581
Interest-bearing liabilities:
Time deposits		810			1,020			1,830
Money market		1,658			1,437			3,095
Negotiable order of withdrawal accounts		301			696			997
Savings deposits		42			(275	)		(233	)
FHLB advances		746			344			1,090
Other borrowings		(71	)		(8	)		(79	)
Long-term debt		(351	)		449			98
Total interest expense		3,135			3,663			6,798
Change in net interest income(2)	$	37,864		$	4,919		$	42,783

(1) Average loans are gross, including nonaccrual loans and overdrafts (before deduction of net fees and allowance for loan losses). Loan fees of $7.6 million and $7.2 million and accretion of $5.4 million and $3.5 million, nonaccrual interest collections of $3.3 million and $1.1 million, and syndicated loan fee income of $1.0 million and $0.8 million are included in interest income in the year ended December 31, 2017 and 2016, respectively.

(2) Interest income includes the effects of the tax-equivalent adjustments to increase tax-exempt interest income to a tax-equivalent basis.

As discussed above, the $48.2 million increase in loan and loans held for sale interest income during the year ended December 31, 2017 compared to year ended December 31, 2016 was the primary driver of the $42.8 increase in net interest income. The increase in loan interest income on loans held for investment of $42.2 million was driven by an increase in average loan balances of $667.5 million, or 38.1%, to $2.4 billion as of December 31, 2017, as compared to $1.8 billion as of year ended December 31, 2016, which was driven by our merger with the Clayton Banks and strong loan growth in our metropolitan markets. The increase in interest income on loans held for sale of $6.0 million was driven by both increases in volume and rates. Average loans held for sale increased $56.8 million or 15.7% over the previous year driven by strong demand throughout our delivery channels and the expansion of our correspondent delivery channel.

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Year ended December 31, 2016 compared to year ended December 31, 2015

	Year ended December 31, 2016 compared to year ended December 31, 2015 due to changes in
(dollars in thousands on a tax-equivalent basis)	volume			rate			Net increase (decrease)
Interest-earning assets:
Loans(1)	$	12,022		$	4,485		$	16,507
Loans held for sale		3,490			(1,873	)		1,617
Securities available for sale and other securities:
Taxable		(1,156	)		19			(1,137	)
Tax Exempt(2)		1,087			(159	)		928
Federal funds sold and balances at Federal Reserve Bank		19			(6	)		13
Time deposits in other financial institutions		227			(97	)		130
FHLB stock		(2	)		2			—
Total interest income(2)		15,687			2,371			18,058
Interest-bearing liabilities:
Time deposits		471			(101	)		370
Money market		595			220			815
Negotiable order of withdrawal accounts		296			20			316
Savings deposits		(198	)		(253	)		(451	)
FHLB advances		(147	)		227			80
Other borrowings		(217	)		20			(197	)
Long-term debt		(102	)		(197	)		(299	)
Total interest expense		698			(64	)		634
Change in net interest income(2)	$	14,989		$	2,435		$	17,424

(1) Average loans are gross, including nonaccrual loans and overdrafts (before deduction of net fees and allowance for loan losses). Loan fees of $7.2 million and $4.3 million and accretion of $3.5 million and $0.3 million, nonaccrual interest collections of $1.1 million and $0, and syndicated loan fee income of $0.8 million and $0.7 million are included in interest income in the year ended December 31, 2016 and 2015, respectively.

(2) Interest income includes the effects of the tax-equivalent adjustments to increase tax-exempt interest income to a tax-equivalent basis.

As discussed above, the $18.1 million increase in loans and loans held for sale interest income for the year ended December 31, 2016 compared to the year ended December 31, 2015 was the primary driver of the $17.4 million increase in net interest income. The increase in loan interest income was driven by an increase in average loan balances of $222.1 million, or 14.5%, to $1.8billion as of December 31, 2016, as compared to $1.5 billion as of December 31, 2015. Our loan growth during the period was driven by growth in our metropolitan markets, primarily in the Nashville MSA, resulting from the investment in new locations and banking teams and improving economic conditions in addition to the acquisition of NWGB. The increase in loans held for sale of $112.3 million was the result of increased volume driven by lower interest rates, an increase in mortgage loan officers and the growth of our internet delivery channel.

Provision for loan losses

The provision for loan losses charged to operating expense is an amount which, in the judgment of management, is necessary to maintain the allowance for loan losses at a level that is believed to be adequate to meet the inherent risks of losses in our loan portfolio. Factors considered by management in determining the amount of the provision for loan losses include the internal risk rating of individual credits, historical and current trends in net charge-offs, trends in nonperforming loans, trends in past due loans, trends in the market values of underlying collateral securing loans and the current economic conditions in the markets in which we operate. The determination of the amount is complex and involves a high degree of judgment and subjectivity. See “Critical Accounting Policies – Allowance for Loan Losses.”

Year ended December 31, 2017 compared to year ended December 31, 2016

Our reversal of the provision for loan losses for the year ended December 31, 2017 was $1.0 million as compared to $1.5 million for the year ended December 31, 2016, reflecting continued improving credit quality throughout the year ended December 31, 2017, including net recoveries of $3.2 million compared to net charge-offs of $1.2 million in the previous year.

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Year ended December 31, 2016 compared to year ended December 31, 2015.

Our reversal of the provision for loan losses for the year ended December 31, 2016 was $1.5 million as compared $3.1 million for the year ended December 31, 2015, reflecting our improved credit quality and a decrease in troubled loans throughout 2015 and 2016.

Noninterest income

Our noninterest income includes gains on sales of mortgage loans, fees on mortgage loan originations, loan servicing fees, hedging results, fees generated from deposit services, securities gains and all other noninterest income.

The following table sets forth the components of noninterest income for the periods indicated:

	Year Ended December 31,
(dollars in thousands)	2017		2016		2015
Mortgage banking income	$	116,933	$	117,751	$	70,190
Service charges on deposit accounts		7,787		8,009		7,389
ATM and interchange fees		8,784		7,791		6,536
Investment services and trust income		3,949		3,337		3,260
Bargain purchase gain		—		—		2,794
Gain from securities, net		285		4,407		1,844
Gain on sales or write-downs of other real estate owned		774		1,282		(317	)
Other		3,069		2,108		684
Total noninterest income	$	141,581	$	144,685	$	92,380

Year ended December 31, 2017 compared to year ended December 31, 2016

Noninterest income was $141.6 million for the year ended December 31, 2017, a decrease of $3.1 million, or 2.1%, as compared to $144.7 million for the year ended December 31, 2016. Noninterest income to average assets (excluding any gains or losses from sale of securities) was 3.7% in the year ended December 31, 2017 as compared to 4.7% in the year ended December 31, 2016.

Mortgage banking income primarily includes origination fees on mortgage loans including from wholesale and third party origination services and gains and losses on the sale of mortgage loans, change in fair value of mortgage loans and derivatives, changes in the fair value of MSRs, and mortgage servicing fees. Mortgage banking income was $116.9 million and $117.8 million for the year ended December 31, 2017 and 2016, respectively.

During the year ended December 31, 2017, the Bank’s mortgage operations had closings of $6,331.5 million which generated $107.2 million in gains and related fair value charges included in mortgage banking income. This compares to $4,671.6 million and $105.7 million for the year ended December 31, 2016. During the fourth quarter of 2016, mortgage rates increased above prevailing rates experienced during the first three quarters of 2016. This increase in rates has caused the level of interest rate lock commitments in the pipeline to decline to approximately $504.2 million at December 31, 2017 from its height of $850.5 million at September 30, 2016 and $532.9 million at December 31, 2016. The increase in gains on sale were driven by an increase in interest rate lock volume of $1,604.7 million or 26.9%, to $7,570.4 million for the year ended December 31, 2017 from the year ended December 31, 2016, due to growth in the correspondent delivery channel, which was established during the second quarter of 2016, offset by declining interest rate lock volume in the consumer direct delivery channel. With the increasing rates and change in mix of sales volume, including a lower contribution margin from the newly established correspondent delivery channel, the Company is currently experiencing a decline in mortgage sales margins from the year ended December 31, 2016. Income from mortgage servicing was $13.2 million and $12.1 million for the years ended December 31, 2017 and 2016, respectively. This increase was offset by a decline in fair value on MSRs for the year ended December 31, 2017 of $3.4 million. The change in fair value included a gain related to the change in fair value of MSR hedging instruments of $0.6 million. The fair value adjustment during the year ended December 31, 2017 was the result of our change in accounting policy to elect fair value on MSRs as of January 1, 2017. As such, there is no such fair value adjustment reflected in mortgage banking income for the year ended December 31, 2016.

The components of mortgage banking income for the December 31, 2017, 2016 and 2015 were as follows:

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	Year Ended December 31,
(in thousands)	2017			2016		2015
Mortgage banking income:
Origination and sales of mortgage loans	$	103,735		$	94,472	$	64,319
Net change in fair value of loans held for sale and derivatives		3,454			11,216	$	2,257
Change in fair value on MSRs		(3,424	)		—		—
Mortgage servicing income		13,168			12,063		3,614
Total mortgage banking income	$	116,933		$	117,751	$	70,190
Closing volume	$	6,331,458		$	4,671,561	$	2,757,463
Interest rate lock commitment volume	$	7,570,387		$	5,965,709	$	3,480,069
Outstanding principal balance of mortgage loans serviced	$	6,529,431		$	2,833,958	$	2,545,449

Mortgage banking income attributable to our Banking segment was $26.7 million and $25.5 million for the years ended December 31, 2017 and 2016, respectively, and mortgage banking income attributable to our Mortgage segment was $90.2 million and $92.2 million for the years ended December 31, 2017 and 2016, respectively.

Service charges on deposit accounts include analysis and maintenance fees on accounts, per item charges, non-sufficient funds and overdraft fees. Service charges on deposit accounts were $7.8 million, a decrease of $0.2 million, or 2.8%, for the year ended December 31, 2017, compared to $8.0 million for the year ended December 31, 2016.

ATM and interchange fees include debit card interchange, ATM and other consumer fees. These fees increased 12.7% to $8.8 million during the year ended December 31, 2017 as compared to $7.8 million for the year ended December 31, 2016 as a result of increased debit card fees from continued growth in client usage of debit cards experienced by most financial institutions in addition to our merger with the Clayton Banks.

Investment services and trust income increased 18.3% during the year ended December 31, 2017 to $3.9 million compared to $3.3 million for the year ended December 31, 2016 due to our merger with the Clayton Banks, which added revenue from trust operations for the last five months of 2017.

Gains on securities for the year ended December 31, 2017 were $0.3 million, resulting from the sale of approximately $94.7 million in securities, compared to gains on sales of securities of $4.4 million, resulting from the sale of approximately $271.2 million for the year ended December 31, 2016. Also included in gain from securities is a change for other-than-temporary impairment of $0.9 million during the year ended December 31, 2017 related to one of the equity securities held which we do not intend to hold long-term. The gains are attributable to management taking advantage of portfolio structuring opportunities to lock in current gains while maintaining comparable interest rates and maturities and to fund current loan growth in addition to overall asset liability management.

Net gain on sales or write-downs of foreclosed assets for the year ended December 31, 2017 was $0.8 million compared to a net gain of $1.3 million for the year ended December 31, 2016. This change was the result of specific sales and valuation transactions of other real estate.

Other noninterest income for the year ended December 31, 2017 increased $1.0 million to $3.1 million as compared to other noninterest income of $2.1 million for the year ended December 31, 2016, reflecting the contribution from the Clayton Banks during the last five months of 2017.

Year ended December 31, 2016 compared to year ended December 31, 2015

Noninterest income was $144.7 million for the year ended December 31, 2016, an increase of $52.3 million, or 56.6%, as compared to $92.4 million for the year ended December 31, 2015. Noninterest income to average assets (excluding any gains or losses from sale of securities) was 4.7% in the year ended December 31, 2016 as compared to 3.5% in the year ended December 31, 2015.

Mortgage banking income primarily includes origination fees on mortgage loans, gains and losses on the sale of mortgage loans, fees from wholesale and third party origination services provided to community banks and mortgage companies, and mortgage servicing fees. Mortgage banking income was $117.8 million and $70.2 million for the year ended December 31, 2016 and 2015, respectively. Originations of mortgage loans to be sold totaled $4,671.6 million for the year ended December 31, 2016 as compared to $2,757.5 million for the year ended December 31, 2015. The increase in originations of mortgage loans to be sold is due to increased overall volume as well as the expansion of the consumer direct delivery and correspondent delivery channels and a favorable interest rate environment through the third quarter of 2016. During the fourth quarter of 2016, mortgage rates increased above prevailing rates experienced during the first

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three quarters of 2016. The combination of this increase in rates and the overall seasonal nature of historical mortgage production caused a decline in the level of interest rate lock commitments during the fourth quarter of 2016.  

Service charges on deposit accounts were $8.0 million, an increase of $0.6 million or 8.4% for the year ended December 31, 2016, compared to $7.4 million for the year ended December 31, 2015. The increase in service charges on deposit accounts in the year ended December 31, 2016 was primarily the result of deposit account growth driven by our acquisition of NWGB.

ATM and interchange fees include debit card interchange, ATM and other consumer fees. These fees increased 19.2% to $7.8 million during the year ended December 31, 2016 as compared to $6.5 million for the year ended December 31, 2015 as a result of increased debit card fees from continued growth in client usage of debit cards experienced by most financial institutions in addition to our acquisition of NWGB.

Investment services income remained flat for the year ended December 31, 2016 at $3.3 million compared to $3.3 million for the year ended December 31, 2015.

Bargain purchase gain of $2.8 million for the year ended December 31, 2015 represents the excess fair value of net assets acquired over the purchase price in our acquisition of NWGB.

Gains on sales of securities for the year ended December 31, 2016 were $4.4 million, resulting from the sale of approximately $271.1 million in securities, compared to gains on sales of securities for the year ended December 31, 2015 of $1.8 million. The gains are attributable to management taking advantage of portfolio structuring opportunities to lock in current gains while maintaining comparable interest rates and maturities and to fund current loan growth.

Net gain on sales or write-downs of foreclosed assets for the year ended December 31, 2016 was $1.3 million compared to a net loss of $317 thousand for the year ended December 31, 2015. This change was the result of specific sales and valuation transactions of other real estate.

Other noninterest income for the year ended December 31, 2016 was $2.1 million as compared to other noninterest income of $0.7 million for the year ended December 31, 2015. This $1.4 million increase in other noninterest income was due to recoveries on acquired loans of $0.8 million that were charged off prior to the acquisition of NWGB in addition to increased miscellaneous income items associated with our overall growth.

Noninterest expense

Our noninterest expense includes primarily salaries and employee benefits expense, occupancy expense, legal and professional fees, data processing expense, amortization of intangibles, regulatory fees and deposit insurance assessments, software license and maintenance fees, advertising and other real estate owned expense, among others. We monitor the ratio of noninterest expense to the sum of net interest income plus noninterest income, which is commonly known as the efficiency ratio.

The following table sets forth the components of noninterest expense for the periods indicated:

	Year Ended December 31,
(dollars in thousands)	2017		2016		2015
Salaries and employee benefits	$	130,355	$	113,992	$	84,214
Occupancy and fixed asset expense		13,836		12,611		10,777
Legal and professional fees		5,737		3,514		3,355
Data processing expense		6,488		4,181		2,053
Merger and conversion expenses		19,034		3,268		3,543.0
Amortization of intangibles		1,995		2,132		1,731
Amortization of mortgage servicing rights		—		8,321		2,601
Impairment of mortgage servicing rights		—		4,678		194
Loss on sale of mortgage servicing rights		249		4,447		—
Regulatory fees and deposit insurance assessments		2,049		1,952		2,190
Other real estate owned expense		916		907		643
Software license and maintenance fees		1,873		2,874		1,986
Advertising		12,957		10,608		8,062
Other		26,828		21,305		17,143
Total noninterest expense		222,317	$	194,790	$	138,492

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Year ended December 31, 2017 compared to year ended December 31, 2016

Noninterest expense increased by $27.5 million during the year ended December 31, 2017 to $222.3 million as compared to $194.8 million in the year ended December 31, 2016. This increase resulted primarily from the $15.8 million increase in merger and conversion expenses during the year ended December 31, 2017 in addition to increased costs associated with our growth and merger with the Clayton Banks, including higher salaries and employee benefits expenses

Salaries and employee benefits expense was the largest component of noninterest expenses representing 58.6% and 58.5% of total noninterest expense in the year ended December 31, 2017 and 2016, respectively. During the year ended December 31, 2017, salaries and employee benefits expense increased $16.4 million, or 14.4%, to $130.4 million as compared to $114.0 million for the year ended December 31, 2016. The increase was primarily due to increased costs associated with our growth and merger with the Clayton Banks and the $7.8 million increase in mortgage banking salaries and benefits resulting from the increase in mortgage loan interest rate lock commitment volume and expansion in our correspondent delivery channel.

Salaries and employee benefits expense also reflects $3.2 million accrued for equity compensation grants during the year ended December 31, 2017 that were made in conjunction with our initial public offering to all full-time associates. This compares to $4.3 million in stock-related grant expense during the year ended December 31, 2016. On December 29, 2017, additional restricted stock units with a total value of $0.8 million were granted to employees of the Clayton Banks and other legacy bank employees that joined the Company after the completion of the IPO. Additionally, salaries and benefits expense includes amounts accrued under our three management incentive plans (prior to the IPO) that were based on our total assets, tangible book value of consolidated equity and contractually-defined after-tax earnings. As of September 16, 2016, the date of the initial public offering, participants in these plans were given the option to convert their equity based incentive plan units to shares of restricted stock units at the IPO price of $19 per share. Aggregate salaries and employee benefits expense recognized under these incentive plans totaled $3.5 million and $5.4 million for the year ended December 31, 2017 and 2016, respectively.

Occupancy and fixed asset expense in the year ended December 31, 2017 was $13.8 million, an increase of $1.2 million, compared to $12.6 million for the year ended December 31, 2016, reflecting the impact of the Clayton Banks.

Legal and professional fees were $5.7 million for the year ended December 31, 2017 as compared to $3.5 million for the year ended December 31, 2016. The increase in legal and professional fees is attributable to additional professional services related to being a publicly traded company in addition to our growth and volume of business.

Data processing costs increased $2.3 million, or 55.2%, to $6.5 million for the year ended December 31, 2017 from $4.2 million for the year ended December 31, 2016. The increase for the year ended December 31, 2017 was attributable to our growth and volume of transaction processing, partially attributable to our merger with the Clayton Banks.

Merger and conversion expenses related to the merger with the Clayton Banks that closed on July 31, 2017 were $19.0 million for the year ended December 31, 2017 as compared to $3.3 million related to the acquisition of NWGB for the year ended December 31, 2016. Also included in merger and conversion expenses for the year ended December 31, 2017 is a $10 million charitable contribution to a foundation established to invest in the communities across the markets of the Clayton Banks. We completed the core conversion of the Clayton Banks onto our core system and consolidated five branch locations on December 1, 2017. We do not expect to incur any additional significant costs related to the merger with the Clayton Banks.

Amortization of core deposit and other intangible assets totaled $2.0 million for the year ended December 31, 2017 compared to $2.1 million for the year ended December 31, 2016. This amortization relates to the core deposit intangible recognized in connection with the merger with the Clayton Banks and the acquisition of NWGB and the leasehold intangible, customer base trust intangible and manufactured housing servicing intangible recognized in the merger with the Clayton Banks. These intangibles are being amortized over their useful lives (see Note 8 in the notes to Consolidated Financial Statements).

MSRs are recognized as a separate asset on the date the corresponding mortgage loan is sold. Prior to January 1, 2017, MSRs were amortized in proportion to and over the period of estimated net servicing income. The amortization of MSRs was determined using the level yield method based on the expected life of the loan and these servicing rights were carried at the lower of amortized cost or fair value. As of January 1, 2017, we elected to transition our accounting policy to carry MSRs at fair value as permitted under ASC-860-50-35, Transfers and Servicing, which positions us to hedge our MSR portfolio. Fair value is determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs and other factors. MSRs were carried at fair value at December 31, 2017 and amortized cost less impairment at December 31, 2016.  Therefore, there was no amortization expense or impairment losses for the year ended December 31, 2017 as fair value changes under fair value accounting are included in noninterest income as mortgage banking income. Amortization expense amounted to $8.3 million for the year ended December 31, 2016. Impairment losses on MSRs are recognized to the extent by which the unamortized cost

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exceeds fair value. Impairment losses on MSRs of $4.7 million were recognized in earnings in the year ended December 31, 2016.

Regulatory fees and deposit insurance assessments were relatively flat, amounting to $2.0 million for year ended December 31, 2017.

Expenses related to other real estate owned for the year ended December 31, 2017 were $0.9 million, flat compared to $0.9 million for the year ended December 31, 2016. Legal fees related to other real estate owned sold is the primary driver of this activity.

Software license and maintenance fees for the year ended December 31, 2017 were $1.9 million, a decrease of $1.0 million compared to $2.9 million for the year ended December 31, 2016. This decrease is due to costs associated with the conversion of our core system to Jack Henry Silverlake during the second quarter of 2016.

Advertising costs for the year ended December 31, 2017 were $13.0 million, an increase of $2.3 million compared to $10.6 million for the year ended December 31, 2016. This increase was largely driven by the mortgage segment and expansion in the correspondent channel established in the second quarter of 2016 in addition to the addition of the Clayton Banks.

Other noninterest expense for the year ended December 31, 2017 was $26.8 million, an increase of $5.3 million from the year ended December 31, 2016, reflecting an increase of various expenses associated with our overall growth, including the impact of the merger with the Clayton Banks in addition to increases in mortgage banking activities.  

Year ended December 31, 2016 compared to year ended December 31, 2015

Noninterest expense increased by $56.3 million during the year ended December 31, 2016 to $194.8 million as compared to $138.5 million in the year ended December 31, 2015. This increase resulted primarily from higher salaries and employee benefits expenses (including in connection with one time IPO awards described below) in addition to impairment of mortgage servicing rights and increased costs associated with our growth, especially in mortgage and from our acquisition of NWGB.

Salaries and employee benefits expense is the largest component of noninterest expenses representing 58.5% and 60.8% of total noninterest expense in the year ended December 31, 2016 and 2015, respectively. During the year ended December 31, 2016, salaries and employee benefits expense increased $29.8 million, or 35.4%, to $114.0 million as compared to $84.2 million for the year ended December 31, 2015. The increase was primarily due to the $26.8 million increase in mortgage banking salaries and benefits resulting from the increase in mortgage production, expansion and growth of our senior management team. This also included equity compensation grants that were made in conjunction with our initial public offering to all full-time associates. Salaries and employee benefits expense includes amounts earned under our three management incentive plans that are based on our total assets, tangible book value of consolidated equity and contractually-defined after-tax earnings. Aggregate salaries and employee benefits expense recognized under these incentive plans totaled $5.4 million and $3.2 million for the year ended December 31, 2016 and 2015, respectively. As of September 16, 2016, the date of the initial public offering, participants in these plans were given the option to convert their equity based incentive plan units to shares of restricted stock units at the IPO price of $19 per share. Additionally, we granted certain employees and executive officers restricted stock units in a total grant value of $18.2 million. Expense related to these grants amounted to $4.3 million in the year ended December 31, 2016. As of December 31, 2016, there was $15.7 million in total unrecognized expense related to these grants and the conversion of the equity based incentive plan units to be recognized over the remaining vesting period.

Occupancy and fixed asset expense in the year ended December 31, 2016 was $12.6 million, an increase of $1.8 million, compared to $10.8 million for the year ended December 31, 2015. This increase was attributable to expansion in mortgage, the addition of our new branch in the Nashville MSA and the acquisition of NWGB, which would have been included for the full year in 2016.

Legal and professional fees were $3.5 million for the year ended December 31, 2016 as compared to $3.4 million for the year ended December 31, 2015. The increase in legal and professional fees is attributable to additional professional services related to our growth and volume of business.

Data processing costs increased $2.1 million, or 103.7%, to $4.2 million for the year ended December 31, 2016 from $2.1 million for the year ended December 31, 2015. The increase for the year ended December 31, 2016 was attributable to costs associated with the conversion of our core system to Jack Henry Silverlake during the second quarter of 2016.

Merger and conversion expenses related to the acquisition of NWGB and conversion of our core processing system were $3.3 million for the year ended December 31, 2016 as compared to $3.5 million for the year ended December 31, 2015. We do not anticipate incurring additional costs related to our acquisition of NWGB or our core processor conversion from Cardinal to Jack Henry Silverlake.  

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Amortization of intangible assets totaled $2.1 million for the year ended December 31, 2016 compared to $1.7 million for the year ended December 31, 2015. This amortization relates to core deposit intangible assets, which are being amortized over their useful lives. As of December 31, 2016, these intangible assets have remaining estimated useful lives of approximately 9 years.

Prior to 2014, all of our mortgage loan sales transferred servicing rights to the buyer. Beginning in the first quarter of 2014, we began retaining some servicing rights. These MSRs are recognized as a separate asset on the date the corresponding mortgage loan is sold. MSRs are amortized in proportion to and over the period of estimated net servicing income. The amortization of MSRs is determined using the level yield method based on the expected life of the loan. These MSRs are carried at the lower of amortized cost or fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs and other factors. MSRs were carried at amortized cost less impairment of $32.1 million and $29.7 million at December 31, 2016 and 2015, respectively, and amortization expense amounted to $8.3 million and $2.6 million for the years ended December 31, 2016 and 2015, respectively. Impairment losses on MSRs are recognized to the extent by which the unamortized cost exceeds fair value. Impairment losses on MSRs of $4.7 million and $194 thousand were recognized in earnings in the years ended December 31, 2016 and 2015, respectively.

Regulatory fees and deposit insurance assessments were relatively flat, amounting to $2.0 million and $2.2 million for year ended December 31, 2016 and 2015, respectively.

Expenses related to foreclosed assets for the year ended December 31, 2016 were $907 thousand, an increase of $264 thousand compared to $643 thousand for the year ended December 31, 2015. Legal fees related to foreclosed real estate sold was the primary driver for the increase.

Software license and maintenance fees for the year ended December 31, 2016 were $2.9 million, an increase of $0.9 million compared to $2.0 million for the year ended December 31, 2015. This increase is due to our growth and customization costs associated with the conversion of our core system to Jack Henry Silverlake during the second quarter of 2016.

Advertising costs for the year ended December 31, 2016 were $10.6 million, an increase of $2.5 million compared to $8.1 million for the year ended December 31, 2015. This increase was largely driven by the mortgage segment’s internet delivery channel and communications surrounding our second quarter conversion to Jack Henry Silverlake.

Other noninterest expense for year ended December 31, 2016 was $21.3 million, an increase of $4.2 million from the year ended December 31, 2015, reflecting an increase of various expenses in mortgage banking activities and overall growth, including from the acquisition of NWGB.

Efficiency ratio

The efficiency ratio is one measure of productivity in the banking industry. This ratio is calculated to measure the cost of generating one dollar of revenue. That is, the ratio is designed to reflect the percentage of one dollar which must be expended to generate that dollar of revenue. We calculate this ratio by dividing noninterest expense by the sum of net interest income and noninterest income. For an adjusted efficiency ratio, we exclude certain gains and expenses we do not consider core to our business.

Our efficiency ratio was 75.40%, 76.20% and 74.36% for the years ended December 31, 2017, 2016 and 2015, respectively. Our adjusted efficiency ratio, on a tax-equivalent basis, was 67.31%, 70.59% and 73.10% for the years ended December 31, 2017, 2016 and 2015, respectively. See “GAAP reconciliation and management explanation of non-GAAP financial measures” for a discussion of the adjusted efficiency ratio.

Return on equity and assets

The following table sets forth our ROAA, ROAE, dividend payout ratio and average shareholders’ equity to average assets ratio for the periods indicated:

	Year Ended December 31,
	2017			2016			2015
Return on average total assets		1.37	%		1.35	%		1.86	%
Return on average shareholders' equity		11.24	%		14.68	%		20.91	%
Dividend payout ratio		—			170.73	%		49.31	%
Average shareholders’ equity to average assets		12.23	%		9.22	%		8.88	%

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Income tax

Income tax expense was $21.1 million, $21.7 million and $3.0 million for the years ended December 31, 2017, 2016 and 2015, respectively. Income tax expense for the year ended December 31, 2017 reflects a $5.9 million adjustment to reduce the deferred tax liability resulting from the Tax Cuts and Jobs Act reduction in federal tax rate from 35.0% to 21.0% enacted on December 22, 2017. Income tax expense for the year ended December 31, 2016 includes the $13.2 million increase in deferred tax liability associated with our conversion to a C corporation. From our formation in 2001 through September 16, 2016, we elected to be taxed for federal income tax purposes as a “Subchapter S corporation” under the provisions of Section 1361 through 1379 of the Internal Revenue Code. As a result, our net income was not subject to, and we did not pay, U.S. federal income taxes and we were not required to make any provision or recognize any liability for federal income tax in our financial statements for the periods ending on or prior to June 30, 2016. We terminated our status as an S Corporation in connection with our initial public offering as of September 16, 2016. We commenced paying federal income taxes on our pre-tax net income in the third quarter of 2016 and our net income for each fiscal year and each interim period commencing on or after September 16, 2016 and each such period reflect a provision for federal income taxes. See “Pro forma income tax expense and net income” below for a discussion on what our income tax expense and net income would have been had we been taxed as a C Corporation for the full periods.

Pro forma income tax expense and net income

We have determined that had we been taxed as a C Corporation and paid U.S. federal income tax for the years ended December 31, 2016 and 2015, our combined effective income tax rate would have been 36.75% and 35.08% respectively. These pro forma effective rates reflect a U.S. federal income statutory tax rate of 35.00% on corporate income and the fact that a portion of our net income in each of these periods was derived from nontaxable investment income, a bargain purchase gain in the third quarter of 2015, and other nondeductible expenses. Our net income for the years ended December 31, 2016 and 2015 was $40.6 million and $47.9 million, respectively, and our tax-equivalent net interest income for the same periods was $113.3 million and $95.9 million, respectively. Had we been subject to U.S. federal income tax during these periods, on a pro forma basis, our provision for combined federal and state income tax would have been $22.9 million and $17.8 million for the years ended December 31, 2016 and 2015, respectively. The increases in such pro forma provision for U.S. federal income tax would have resulted primarily from the increase in our net income for such periods. As a result of the foregoing factors, our unaudited pro forma net income (after U.S. federal income tax) for the years ended December 31, 2016 and 2015 would have been $39.4 million and $33.0 million, respectively.

Financial condition

The following discussion of our financial condition compares for the year ended December 31, 2017 with the year ended December 31, 2016.

Total assets

Our total assets were $4.73 billion at December 31, 2017.  This compares to total assets of $3.28billion as of December 31, 2016. The increase in total assets is primarily attributable to the merger with the Clayton Banks as well as strong organic loan growth in our metropolitan markets.

Loan portfolio

Our loan portfolio is our most significant earning asset, comprising 67.0% and 56.4%of our total assets as of December 31, 2017 and 2016, respectively. Our strategy is to grow our loan portfolio by originating quality commercial and consumer loans that comply with our credit policies and that produce revenues consistent with our financial objectives. Our overall lending approach is primarily focused on providing credit to our customers directly rather than purchasing loan syndications and loan participations from other banks (collectively, “Purchased loans”). At December 31, 2017 and December 31, 2016, loans held for investment included approximately $62.9 million and $29.7 million, respectively, related to Purchased loans. Currently, our loan portfolio is diversified relative to industry concentrations across the various loan portfolio categories. At December 31, 2017 and December 31, 2016, our outstanding loans to the broader healthcare industry made up less than 5% of our total outstanding loans and are spread across nursing homes, assisted living facilities, outpatient mental health and substance abuse centers, home health care services, and medical practices within our geographic markets. We believe our loan portfolio is well-balanced, which provides us with the opportunity to grow while monitoring our loan concentrations.

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Loans

Loans increased $1.32 billion, or 71.3%, to $3.17 billion as of December 31, 2017 as compared to $1.85billion as of December 31, 2016. Our loan growth during the year ended December 31, 2017 has been composed of increases of $328.8 million, or 85.1%, in commercial and industrial loans, $202.4 million or, 82.3%, in construction loans, $138.5 million, or 38.8%, in owner occupied commercial real estate loans, $283.7 million, or 105.9%, in non-owner occupied commercial real estate loans, $221.3 million, or 42.8%, in residential real estate loans and $143.4 million, or 193.0%, in consumer and other loans, respectively. The increase in loans during the year ended December 31, 2017 is attributable to the merger with the Clayton Banks, which contributed loans with a fair value of $1,059.7 million on July 31, 2017 in addition to continued strong demand in our metropolitan markets, building customer relationships and continued favorable economic conditions throughout much of our geographic footprint.

Loans by type

The following table sets forth the balance and associated percentage of each major category in our loan portfolio of loans as of the dates indicated:

	As of December 31,
	2017					2016					2015					2014					2013
(dollars in thousands)	Amount		% of total			Amount		% of total			Amount		% of total			Amount		% of total			Amount		% of total
Loan Type:
Commercial and industrial	$	715,075		23	%	$	386,233		21	%	$	318,791		19	%	$	265,818		18	%	$	251,557		19	%
Construction		448,326		14	%		245,905		13	%		238,170		14	%		165,957		12	%		112,060		8	%
Residential real estate:
1-to-4 family		480,989		15	%		294,924		16	%		290,704		17	%		266,641		19	%		251,271		19	%
Line of credit		194,986		6	%		177,190		10	%		171,526		10	%		159,868		11	%		158,111		12	%
Multi-family		62,374		2	%		44,977		2	%		59,510		3	%		52,238		4	%		45,497		3	%
Commercial real estate:
Owner-Occupied		495,872		16	%		357,346		19	%		337,664		20	%		291,161		21	%		264,111		20	%
Non-Owner Occupied		551,588		17	%		267,902		15	%		207,871		12	%		151,980		11	%		200,349		15	%
Consumer and other		217,701		7	%		74,307		4	%		77,627		5	%		62,233		4	%		58,391		4	%
Total loans	$	3,166,911		100	%	$	1,848,784		100	%	$	1,701,863		100	%	$	1,415,896		100	%	$	1,341,347		100	%

Loan concentrations are considered to exist when there are amounts loaned to a number of borrowers engaged in similar activities which would cause them to be similarly impacted by economic or other conditions. At December 31, 2017 and 2016, there were no concentrations of loans exceeding 10% of loans other than the categories of loans disclosed in the table above.

Loan categories

The principal categories of our loans held for investment portfolio are discussed below and in the “Business: Products and Services: Lending Strategy” section of this Annual Report.

Commercial and industrial loans.    We provide a mix of variable and fixed rate commercial and industrial loans. Our commercial and industrial loans are typically made to small and medium-sized manufacturing, wholesale, retail and service businesses for working capital and operating needs and business expansions, including the purchase of capital equipment and loans made to farmers relating to their operations. This category also includes loans secured by manufactured housing receivables. Commercial and industrial loans generally include lines of credit and loans with maturities of five years or less. The loans are generally made with operating cash flows as the primary source of repayment, but may also include collateralization by inventory, accounts receivable, equipment and personal guarantees. We plan to continue to make commercial and industrial loans an area of emphasis in our lending operations in the future. As of December 31, 2017, our commercial and industrial loans comprised of $715.1 million, or 23% of loans, compared to $386.2million, or 21% of loans, as of December 31, 2016.

Commercial real estate owner-occupied loans.    Our commercial real estate owner-occupied loans include loans to finance commercial real estate owner occupied properties for various purposes including use as offices, warehouses, production facilities, health care facilities, retail centers, restaurants, churches and agricultural based facilities. Commercial real estate owner-occupied loans are typically repaid through the ongoing business operations of the borrower, and hence are dependent on the success of the underlying business for repayment and are more exposed to general economic conditions. As of December 31, 2017, our owner occupied commercial real estate loans comprised $495.9 million, or 16% of loans, compared to $357.3 million, or 19% of loans, as of December 31, 2016.

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Commercial real estate non-owner occupied loans.    Our commercial real estate non-owner occupied loans include loans to finance commercial real estate non-owner occupied investment properties for various purposes including use as offices, warehouses, health care facilities, hotels, mixed-use residential/commercial, manufactured housing communities, retail centers, multifamily properties, assisted living facilities and agricultural based facilities. Commercial real estate non-owner occupied loans are typically repaid with the funds received from the sale of the completed property or rental proceeds from such property, and are therefore more sensitive to adverse conditions in the real estate market, which can also be affected by general economic conditions. As of December 31, 2017, our non-owner occupied commercial real estate loans comprised $551.6 million, or 17% of loans, compared to $267.9 million, or 15%, of loans as of December 31, 2016.

Residential real estate 1-4 family mortgage loans.    Our residential real estate 1-4 family mortgage loans are primarily made with respect to and secured by single family homes, including manufactured homes with real estate, which are both owner-occupied and investor owned. We intend to continue to make residential 1-4 family housing loans at a similar pace, so long as housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. First lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate. As of December 31, 2017, our residential real estate mortgage loans comprised $481.0 million, or 15% of loans, compared to $294.9 million, or 16%, of loans as of December 31, 2016.

Residential line of credit loans.    Our residential line of credit loans are primarily revolving, open-end lines of credit secured by 1-4 family residential properties. We intend to continue to make residential line of credit loans if housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. Residential line of credit loans may be affected by unemployment or underemployment and deteriorating market values of real estate. Our home equity loans as of December 31, 2017 comprised $195.0 million or 6% of loans compared to $177.2 million, or 10%, of loans as of December 31, 2016.

Multi-family residential loans.    Our multi-family residential loans are primarily secured by multi-family properties, such as apartments and condominium buildings. These loans may be affected by unemployment or underemployment and deteriorating market values of real estate. Our multifamily loans as of December 31, 2017 comprised $62.4 million, or 2% of loans, compared to $45.0 million, or 2%, of loans as of December 31, 2016.

Construction loans.    Our construction loans include commercial construction, land acquisition and land development loans and single-family interim construction loans to small- and medium-sized businesses and individuals. These loans are generally secured by the land or the real property being built and are made based on our assessment of the value of the property on an as-completed basis. We expect to continue to make construction loans at a similar pace so long as demand continues and the market for and values of such properties remain stable or continue to improve in our markets. These loans can carry risk of repayment when projects incur cost overruns, have an increase in the price of building materials, encounter zoning and environmental issues, or encounter other factors that may affect the completion of a project on time and on budget. Additionally, repayment risk may be negatively impacted when the market experiences a deterioration in the value of real estate. As of December 31, 2017, our construction loans comprised $448.3 million, or 14% of loans compared to $245.9million, or 13%of loans as of December 31, 2016.

Consumer and other loans.    Consumer and other loans include consumer loans made to individuals for personal, family and household purposes, including car, boat and other recreational vehicle loans and personal lines of credit. Consumer loans are generally secured by vehicles and other household goods. The collateral securing consumer loans may depreciate over time. The company seeks to minimize these risks through its underwriting standards. Other loans also include loans to states and political subdivisions in the U.S. These loans are generally subject to the risk that the borrowing municipality or political subdivision may lose a significant portion of its tax base or that the project for which the loan was made may produce inadequate revenue. None of these categories of loans represents a significant portion of our loan portfolio. As of December 31, 2017, our consumer and other loans comprised $217.7 million, or 7% of loans, compared to $74.3 million, or 4% of loans as of December 31, 2016.

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Loan maturity and sensitivities

The following tables present the contractual maturities of our loan portfolio as of December 31, 2017 and 2016. Loans with scheduled maturities are reported in the maturity category in which the payment is due. Demand loans with no stated maturity and overdrafts are reported in the “due in 1 year or less” category. Loans that have adjustable rates are shown as amortizing to final maturity rather than when the interest rates are next subject to change. The tables do not include prepayment or scheduled repayments.

Loan type (dollars in thousands)	Maturing in one year or less		Maturing in one to five years		Maturing after five years		Total
As of December 31, 2017
Commercial and industrial	$	311,406	$	304,202	$	99,467	$	715,075
Commercial real estate:
Owner occupied		87,299		277,204		131,369		495,872
Non-owner occupied		85,892		250,050		215,646		551,588
Residential real estate:
1-to-4 family		113,467		203,984		163,538		480,989
Line of credit		17,188		41,368		136,430		194,986
Multi-family		4,354		20,803		37,217		62,374
Construction		202,787		172,094		73,445		448,326
Consumer and other		47,016		61,231		109,454		217,701
Total	$	869,409	$	1,330,936	$	966,566	$	3,166,911

Loan type (dollars in thousands)	Maturing in one year or less		Maturing in one to five years		Maturing after five years		Total
As of December 31, 2016
Commercial and industrial	$	158,621	$	172,112	$	55,500	$	386,233
Commercial real estate:
Owner occupied		69,642		230,289		57,415		357,346
Non-owner occupied		55,611		161,341		50,950		267,902
Residential real estate:
1-to-4 family		44,631		115,783		134,510		294,924
Line of credit		15,614		39,232		122,344		177,190
Multi-family		4,089		39,938		950		44,977
Construction		146,447		79,108		20,350		245,905
Consumer and other		30,174		31,436		12,697		74,307
Total	$	524,829	$	869,239	$	454,716	$	1,848,784

For loans due after one year or more, the following tables present the sensitivities to changes in interest rates as of December 31, 2017 and 2016:

Loan type (dollars in thousands)	Fixed interest rate			Floating interest rate			Total
As of December 31, 2017
Commercial and industrial	$	176,858		$	226,811		$	403,669
Commercial real estate:
Owner occupied		333,577			74,996			408,573
Non-owner occupied		244,652			221,044			465,696
Residential real estate:
1-to-4 family		316,930			50,592			367,522
Line of credit		757			177,041			177,798
Multi-family		56,313			1,707			58,020
Construction		90,003			155,536			245,539
Consumer and other		162,529			8,156			170,685
Total ($)	$	1,381,619		$	915,883		$	2,297,502
Total (%)		60.14	%		39.86	%		100.00	%

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Loan type (dollars in thousands)	Fixed interest rate			Floating interest rate			Total
As of December 31, 2016
Commercial and industrial	$	117,960		$	109,652		$	227,612
Commercial real estate:
Owner occupied		195,188			92,516			287,704
Non-owner occupied		125,784			86,507			212,291
Residential real estate:
1-to-4 family		210,820			39,473			250,293
Line of credit		686			160,890			161,576
Multi-family		39,504			1,384			40,888
Construction		32,585			66,873			99,458
Consumer and other		41,921			2,212			44,133
Total ($)	$	764,448		$	559,507		$	1,323,955
Total (%)		57.74	%		42.26	%		100.00	%

The following table presents the contractual maturities of our loan portfolio segregated into fixed and floating interest rate loans as of December 31, 2017 and 2016:

(dollars in thousands)	Fixed interest rate			Floating interest rate			Total
As of December 31, 2017
One year or less	$	409,183		$	460,226		$	869,409
One to five years		830,210			500,726			1,330,936
More than five years		551,409			415,157			966,566
Total ($)	$	1,790,802		$	1,376,109		$	3,166,911
Total (%)		56.55	%		43.45	%		100.00	%

(dollars in thousands)	Fixed interest rate			Floating interest rate			Total
As of December 31, 2016
One year or less	$	244,419		$	280,410		$	524,829
One to five years		571,492			297,747			869,239
More than five years		192,956			261,760			454,716
Total ($)	$	1,008,867		$	839,917		$	1,848,784
Total (%)		54.57	%		45.43	%		100.00	%

Of the loans shown above with floating interest rates totaling $1,376.1 million as of December 31, 2017, many of such have interest rate floors as follows:

Loans with interest rate floors (dollars in thousands)	Maturing in one year or less		Weighted average level of support (bps)		Maturing in one to five years		Weighted average level of support (bps)		Maturing after five years		Weighted average level of support (bps)
As of December 31, 2017
Loans with current rates above floors	$	173,769		—	$	141,913		—	$	236,630		—
Loans with current rates below floors:
1-25 bps		13,302		21.29		5,364		22.55		11,033		23.85
26-50 bps		15,165		49.97		40,998		49.92		27,128		49.74
51-75 bps		386		75.00		4,090		74.76		973		63.94
76-100 bps		1,987		100.00		5,986		98.66		13,135		98.98
101-125 bps		154		123.77		40		125.00		1,259		123.52
126-150 bps		2,139		150.00		6,441		149.97		534		143.08
151-200 bps		7,112		169.07		85		200.00		565		169.25
200-250 bps		50		250.00		109		234.71		208		249.42
251 bps and above		744		1,300.00		91		282.42		99		273.55
Total loans with current rates below floors	$	41,039		17.65	$	63,204		20.00	$	54,934		11.60

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Asset quality

In order to operate with a sound risk profile, we focus on originating loans that we believe to be of high quality. We have established loan approval policies and procedures to assist us in maintaining the overall quality of our loan portfolio. When delinquencies in our loans exist, we rigorously monitor the levels of such delinquencies for any negative or adverse trends. From time to time, we may modify loans to extend the term or make other concessions to help a borrower with a deteriorating financial condition stay current on their loan and to avoid foreclosure. We generally do not forgive principal or interest on loans or modify the interest rates on loans to rates that are below market rates. Furthermore, we are committed to collecting on all of our loans and, as a result, at times have lower net charge-offs compared to many of our peer banks. This practice can result in us carrying higher nonperforming assets on our books than our peers; however, our nonperforming assets in recent years has been lower than peers due to strong asset quality.  We believe that our commitment to collecting on all of our loans results in higher loan recoveries.

Nonperforming assets

Our nonperforming assets consist of nonperforming loans, other real estate owned and other miscellaneous non-earning assets. Nonperforming loans are those on which the accrual of interest has stopped, as well as loans that are contractually 90 days past due on which interest continues to accrue. Generally, the accrual of interest is discontinued when the full collection of principal or interest is in doubt or when the payment of principal or interest has been contractually 90 days past due, unless the obligation is both well secured and in the process of collection. In our loan review process, we seek to identify and proactively address nonperforming loans.

Purchased credit impaired (“PCI”) loans are considered past due or delinquent when the contractual principal or interest due in accordance with the terms of the loan agreement remains unpaid after the due date of the scheduled payment. However, these loans are considered as performing, even though they may be contractually past due, as any non-payment of contractual principal or interest is considered in the periodic re-estimation of expected cash flows and is included in the resulting recognition of current period covered loan loss provision or future period yield adjustments. The accrual of interest is discontinued on PCI loans if management can no longer reliably estimate future cash flows on the loan. No PCI loans were classified as nonaccrual at December 31, 2017 or December 31, 2016 as the carrying value of the respective loan or pool of loans cash flows were considered estimable and probable of collection. Therefore, interest revenue, through accretion of the difference between the carrying value of the loans and the expected cash flows, is being recognized on all PCI loans.

For the year ended December 31, 2017, the amount of loans held for sale that are 90 days or more past due includes government guaranteed GNMA mortgage loans that the Bank, as the original transferor and servicer, has the right, but not obligation, to repurchase totaling $43.0 million at December 31, 2017. We have not exercised and do not expect to exercise the repurchase option. We also recorded an offsetting liability in the same amount. Amounts for prior periods were not material.

As of December 31, 2017 and 2016, we had $72.3 million and $19.1 million, respectively, in nonperforming assets. If such nonperforming assets would have been current during the year ended December 31, 2017 and 2016, we would have recorded an additional $0.5 million and $1.0 million of interest income, respectively. We had net interest recoveries of $3.3 million and $1.1 million for the year ended December 31, 2017 and 2016, respectively, recognized on loans that had previously been charged off or classified as nonperforming in previous periods.

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The following table provides details of our nonperforming assets, the ratio of such nonperforming assets and nonperforming loans held for investment to total assets as of the dates presented, and certain other related information:

	As of December 31,
(dollars in thousands)	2017			2016			2015			2014			2013
Loan Type
Commercial and industrial	$	623		$	1,424		$	1,732		$	2,214		$	1,582
Construction		541			271			305			3,142			6,230
Residential real estate:
1-to-4 family mortgage		3,504			2,986			2,392			4,022			6,000
Residential line of credit		833			1,034			1,437			1,163			1,389
Multi-family mortgage		—			—			—			1,165			1,262
Commercial real estate:
Owner occupied		2,940			2,007			1,974			2,528			5,212
Non-owner occupied		1,371			2,251			3,512			2,827			6,607
Consumer and other		285			85			235			142			140
Total nonperforming loans held for investment		10,097			10,058			11,587			17,203			28,422
Loans held for sale (1)		43,355			—			—			—			—
Other real estate owned		16,442			7,403			11,641			7,259			8,796
Other		2,369			1,654			1,654			1,654			1,654
Total nonperforming assets	$	72,263		$	19,115		$	24,882		$	26,116		$	38,872
Total nonperforming loans held for investment as a    percentage of total loans held for investment		0.32	%		0.54	%		0.68	%		1.21	%		2.12	%
Total nonperforming assets as a percentage of   total assets		1.53	%		0.58	%		0.86	%		1.01	%		1.72	%
Total accruing loans over 90 days delinquent as a   percentage of total assets		0.04	%		0.04	%		0.03	%		0.08	%		0.12	%
Loans restructured as troubled debt restructurings	$	8,604		$	8,802		$	15,289		$	18,823		$	36,855
Troubled debt restructurings as a percentage   of loans		0.27	%		0.48	%		0.90	%		1.33	%		2.60	%

(1) Includes $43.0 million in rebooked GNMA loans which the Company is under no obligation to repurchase. See the previous discussion of serviced GNMA loans eligible for repurchase and the impact of our repurchases of delinquent mortgage loans under the GNMA optional repurchase program. See Note 1, “Basis of presentation” in the notes to the consolidated financial statements for additional detail on rebooked GNMA loans.

Total nonperforming loans as a percentage of loans were 0.3% as of December 31, 2017 as compared to 0.5%as of December 31, 2016. The decline in our nonperforming loans as a percentage of total loans is the result of the consistent improvement in our overall credit quality as economic conditions in our markets have remained strong throughout 2017. Our coverage ratio, or our allowance for loan losses as a percentage of our nonperforming loans, was 238.10% as of December 31, 2017 as compared to 216.22% as of December 31, 2016.

Management has evaluated the aforementioned loans and other loans classified as nonperforming and believes that all nonperforming loans have been adequately reserved for in the allowance for loan losses at December 31, 2017. Management also continually monitors past due loans for potential credit quality deterioration. Loans 30-89 days past due were $15.1 million at December 31, 2017, as compared to $5.7 million for the year ended December 31, 2016.

Under acquisition accounting rules, acquired loans were recorded at their estimated fair value. We recorded the loan portfolio acquired from the Clayton Banks at fair value as of the acquisition date, which resulted in a discount to the loan portfolio’s previous carrying value. Neither the credit portion nor any other portion of the fair value mark is reflected in the reported allowance for loan and lease losses.

Other real estate owned consist of properties acquired through foreclosure or acceptance of a deed in lieu of foreclosure in addition to excess land and facilities held for sale. These properties are carried at the lower of cost or fair market value based on appraised value less estimated selling costs. Losses arising at the time of foreclosure of properties are charged against the allowance for loan losses. Reductions in the carrying value subsequent to acquisition are charged to earnings and are included in “Gain (loss) on sales or write-downs of other real estate owned” in the accompanying consolidated statements of income. Foreclosed assets with a cost basis of $5.4 million were sold as of year ended December 31, 2017, resulting in a net gain of $0.8 million. Foreclosed assets with a cost basis of $6.7 million were sold during the year ended December 31, 2016, resulting in a net loss of $1.3million.

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Classified loans

Accounting standards require us to identify loans, where full repayment of principal and interest is doubtful, as impaired loans. These standards require that impaired loans be valued at the present value of expected future cash flows, discounted at the loan’s effective interest rate, or using one of the following methods: the observable market price of the loan or the fair value of the underlying collateral if the loan is collateral dependent. We have implemented these standards in our quarterly review of the adequacy of the allowance for loan losses, and identify and value impaired loans in accordance with guidance on these standards. As part of the review process, we also identify loans classified as watch, which have a potential weakness that deserves management’s close attention.

Loans totaling $55.5 million and $38.6 million were classified as substandard under our policy at December 31, 2017 and 2016, respectively. As of December 31, 2017 and 2016, $32.0 million and $16.1 million of substandard loans were acquired with deteriorated credit quality in connection with our mergers and acquisitions. The following table sets forth information related to the credit quality of our loan portfolio at December 31, 2017 and 2016.

Loan type (dollars in thousands)	Pass		Watch		Substandard		Total
As of December 31, 2017
Loans, excluding purchased credit impaired    loans
Commercial and industrial	$	657,595	$	50,946	$	4,390	$	712,931
Construction		431,242		7,388		1,968		440,598
Residential real estate:
1-to-4 family mortgage		440,202		9,522		7,767		457,491
Residential line of credit		192,427		1,184		1,375		194,986
Multi-family mortgage		61,234		142		978		62,354
Commercial real estate:
Owner occupied		451,140		28,308		4,462		483,910
Non-owner occupied		517,253		14,199		1,972		533,424
Consumer and other		189,081		2,712		589		192,382
Total loans, excluding purchased credit impaired loans	$	2,940,174	$	114,401	$	23,501	$	3,078,076
Purchased credit impaired loans
Commercial and industrial	$	—	$	1,499	$	645	$	2,144
Construction		—		3,324		4,404		7,728
Residential real estate:
1-to-4 family mortgage		—		20,284		3,214		23,498
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		20		20
Commercial real estate:
Owner occupied		—		4,631		7,331		11,962
Non-owner occupied		—		7,359		10,805		18,164
Consumer and other		—		19,751		5,568		25,319
Total purchased credit impaired loans	$	—	$	56,848	$	31,987	$	88,835
Total loans	$	2,940,174	$	171,249	$	55,488	$	3,166,911

81

Loan type (dollars in thousands)	Pass		Watch		Substandard		Total
As of December 31, 2016
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	351,046	$	31,074	$	3,635	$	385,755
Construction		236,588		4,612		386		241,586
Residential real estate:
1-to-4 family mortgage		277,948		6,945		7,924		292,817
Residential line of credit		173,011		1,875		2,304		177,190
Multi-family mortgage		43,770		152		1,027		44,949
Commercial real estate:
Owner occupied		338,698		10,459		4,407		353,564
Non-owner occupied		249,877		10,273		2,412		262,562
Consumer and other		73,454		417		432		74,303
Total loans, excluding purchased credit impaired loans	$	1,744,392	$	65,807	$	22,527	$	1,832,726
Purchased credit impaired loans
Commercial and industrial	$	—	$	—	$	478	$	478
Construction		—		—		4,319		4,319
Residential real estate:
1-to-4 family mortgage		—		—		2,107		2,107
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		28		28
Commercial real estate:
Owner occupied		—		—		3,782		3,782
Non-owner occupied		—		—		5,340		5,340
Consumer and other		—		—		4		4
Total purchased credit impaired loans	$	—	$	—	$	16,058	$	16,058
Total loans	$	1,744,392	$	65,807	$	38,585	$	1,848,784

Allowance for loan losses

The allowance for loan losses is the amount that, based on our judgment, is required to absorb probable credit losses inherent in our loan portfolio and that, in management’s judgment, is appropriate under GAAP. The determination of the amount of the allowance is complex and involves a high degree of judgment and subjectivity. Among the material estimates required to establish the allowance are loss exposure at default, the amount and timing of future cash flows on impacted loans, value of collateral and determination of the loss factors to be applied to the various elements of the portfolio.

Our methodology for assessing the adequacy of the allowance for loan losses includes a general allowance for performing loans, which are grouped based on similar characteristics, and an allocated allowance for individual impaired loans. Actual credit losses or recoveries are charged or credited directly to the allowance.

The appropriate level of the allowance is established on a quarterly basis after input from management and our loan review staff and is based on an ongoing analysis of the credit risk of our loan portfolio. In making our evaluation of the credit risk of the loan portfolio, we consider factors such as the volume, growth and composition of our loan portfolio, the diversification by industry of our commercial loan portfolio, the effect of changes in the local real estate market on collateral values, trends in past dues, our experience as a lender, changes in lending policies, the effects on our loan portfolio of current economic indicators and their probable impact on borrowers, historical loan loss experience, industry loan loss experience, the amount of nonperforming loans and related collateral and the evaluation of our loan portfolio by our loan review function.

In addition, on a regular basis, management and the Bank’s Board of Directors review loan ratios. These ratios include the allowance for loan losses as a percentage of loans, net charge-offs as a percentage of average loans, the provision for loan losses as a percentage of average loans, nonperforming loans as a percentage of loans and the allowance coverage on nonperforming loans. Also, management reviews past due ratios by relationship manager, individual markets and the Bank as a whole. The allowance for loan losses was $24.0 million and $21.7million at December 31, 2017 and 2016, respectively.

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The following table presents the allocation of the allowance for loan losses by loan category as of the periods indicated:

	As of December 31,
	2017					2016					2015					2014					2013
(dollars in thousands)	Amount		% of Loans			Amount		% of Loans			Amount		% of loans			Amount		% of loans			Amount		% of loans
Loan Type:
Commercial and industrial	$	4,461		19	%	$	5,309		24	%	$	5,135		21	%	$	6,600		23	%	$	6,756		21	%
Construction		7,135		30	%		4,940		23	%		5,143		21	%		3,721		13	%		5,033		16	%
Residential real estate:
1-to-4 family mortgage		3,197		13	%		3,197		15	%		4,176		17	%		6,364		22	%		7,211		22	%
Residential line of credit		944		4	%		1,613		8	%		2,201		9	%		2,790		9	%		2,775		8	%
Multi-family mortgage		434		2	%		504		2	%		311		1	%		184		1	%		342		1	%
Commercial real estate:
Owner occupied		3,558		15	%		3,302		15	%		3,682		15	%		6,075		21	%		5,659		17	%
Non-owner occupied		2,817		12	%		2,019		9	%		2,622		11	%		2,641		9	%		3,438		11	%
Consumer and other		1,495		5	%		863		4	%		1,190		5	%		655		2	%		1,139		4	%
Total allowance	$	24,041		100	%	$	21,747		100	%	$	24,460		100	%	$	29,030		100	%	$	32,353		100	%

The following table summarizes activity in our allowance for loan losses during the periods indicated:

				Year ended December 31,
(dollars in thousands)	2017			2016			2015			2014			2013
Allowance for loan loss at beginning   of period	$	21,747		$	24,460		$	29,030		$	32,353		$	38,538
Charge-offs:
Commercial and industrial		(584	)		(562	)		(953	)		(1,514	)		(1,123	)
Construction		(27	)		(2	)		(81	)		(292	)		(582	)
Residential real estate:
1-to-4 family mortgage		(200	)		(224	)		(828	)		(1,486	)		(383	)
Residential line of credit		(276	)		(132	)		(230	)		(462	)		(500	)
Multi-family mortgage		—			—			—			—			(4,236	)
Commercial real estate:
Owner occupied		(288	)		(249	)		(1,062	)		(688	)		(36	)
Non-owner occupied		—			(527	)		(54	)		(1,008	)		(14	)
Consumer and other		(1,152	)		(1,154	)		(1,136	)		(911	)		(762	)
Total charge-offs		(2,527	)		(2,850	)		(4,344	)		(6,361	)		(7,636	)
Recoveries:
Commercial and industrial		1,894			524			112			610			252
Construction		1,084			216			1,354			539			2,092
Residential real estate:
1-to-4 family mortgage		159			127			161			222			80
Residential line of credit		395			174			286			166			166
Multi-family mortgage		—			—			—			3,065			—
Commercial real estate:
Owner occupied		61			140			35			162			223
Non-owner occupied		1,646			195			342			568			25
Consumer and other		532			240			548			422			132
Total recoveries		5,771			1,616			2,838			5,754			2,970
Net recoveries (charge offs)		3,244			(1,234	)		(1,506	)		(607	)		(4,666	)
Reversal of provision for loan loss		(950	)		(1,479	)		(3,064	)		(2,716	)		(1,519	)
Allowance for loan loss at the end   of period	$	24,041		$	21,747		$	24,460		$	29,030		$	32,353
Ratio of net recoveries (charge-offs) during the   period to average loans outstanding   during the period		0.13	%		-0.07	%		-0.10	%		-0.04	%		-0.35	%
Allowance for loan loss as a   percentage of loans at end of period		0.76	%		1.18	%		1.50	%		2.05	%		2.41	%
Allowance of loan loss as a percentage   of nonperforming loans		238.10	%		216.22	%		211.10	%		168.75	%		113.80	%

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Mortgage loans held for sale

Mortgage loans held for sale were $526.2 million at December 31, 2017 compared to $507.4million at December 31, 2016. Originations of mortgage loans to be sold totaled $6,331.5 million and $4,671.6 million for the years ended December 31, 2017 and 2016, respectively while interest rate lock volume totaled $7,570.4 million and $5,965.7 million for the same periods, respectively. Generally, mortgage origination activity increases in lower interest rate environments and robust housing markets and decreases in rising interest rate environments and slower housing markets. Despite the rising interest rate environment in 2017, increased mortgage loan closings during 2017 reflect the ongoing expansion of our mortgage business, including our expansion of the correspondent delivery channel established in the second quarter of 2016.

Mortgage loans to be sold are sold either on a “best efforts” basis or under a mandatory delivery sales agreement. Under a “best efforts” sales agreement, residential real estate originations are locked in at a contractual rate with third party private investors or directly with government sponsored agencies, and we are obligated to sell the mortgages to such investors only if the mortgages are closed and funded. The risk we assume is conditioned upon loan underwriting and market conditions in the national mortgage market. Under a mandatory delivery sales agreement, we commit to deliver a certain principal amount of mortgage loans to an investor at a specified price and delivery date. Penalties are paid to the investor if we fail to satisfy the contract. Gains and losses are realized at the time consideration is received and all other criteria for sales treatment have been met. These loans are typically sold within thirty days after the loan is funded. Although loan fees and some interest income are derived from mortgage loans held for sale, the main source of income is gains from the sale of these loans in the secondary market.

Deposits

Deposits represent the Bank’s primary source of funds. We continue to focus on growing core deposits through our relationship driven banking philosophy, community-focused marketing programs, and initiatives such as the development of our treasury management services.

Total deposits were $3.66 billion and $2.67 billion as of December 31, 2017 and 2016, respectively. Noninterest-bearing deposits at December 31, 2017 and 2016 were $888.2 million and $697.1 million, respectively, while interest-bearing deposits were $2,776.2 million and $1,974.5 million at December 31, 2017 and 2016, respectively. The 37.2% increase in total deposits is mainly attributable to our merger with the Clayton Banks, which contributed interest-bearing and noninterest-bearing deposits with a fair value as of July 31, 2017 of $670.1 million and $309.5 million, respectively. Interest-bearing deposits acquired included brokered and internet time deposits with a July 31, 2017 fair value amounting to $129.3 million. Due to the merger with the Clayton Banks, brokered and internet time deposits have increased from $1.5 million at December 31, 2016 to $85.7 million at December 31, 2017. Due to inherently high interest rates associated with brokered and internet time deposits, compared to traditional customer time deposits, we have strategically reduced this balance by $43.6 million since the merger on July 31, 2017 and will continue to focus on reducing this balance in 2018. Included in noninterest-bearing deposits are certain mortgage escrow deposits that our third party service provider, Cenlar, began transferring to the Bank which totaled $53.7 million and $46.8 million as of December 31, 2017 and 2016, respectively. The mix between noninterest-bearing and interest-bearing shifted slightly with the merger with the Clayton Banks; however, management continues to focus on strategic pricing to grow noninterest-bearing deposits while allowing more costly funding sources, including certain time deposits, to mature.

84

Average deposit balances by type, together with the average rates per periods are reflected in the average balance sheet amounts, interest earned and yield analysis tables included above under the discussion of net interest income.

The following table sets forth the distribution by type of our deposit accounts for the dates indicated:

	As of December 31,
	2017								2016								2015
(dollars in thousands)	Amount		% of total deposits			Average rate			Amount		% of total deposits			Average rate			Amount		% of total deposits			Average rate
Deposit Type
Noninterest   bearing   demand	$	888,200		25	%		—	%	$	697,072		26	%		—	%	$	626,955		26	%		—	%
Interest   bearing   demand		1,909,546		52	%		0.55	%		1,449,382		54	%		0.38	%		1,273,438		52	%		0.34	%
Savings   deposits		178,320		5	%		0.16	%		134,077		5	%		0.37	%		212,522		9	%		0.51	%
Customer time   deposits		602,628		16	%		0.66	%		389,500		15	%		0.48	%		319,928		13	%		0.52	%
Brokered and internet   time deposits		85,701		2	%		1.54	%		1,531		0	%		0.16	%		5,631		0	%		0.16	%
Total   deposits	$	3,664,395		100	%		0.42	%	$	2,671,562		100	%		0.29	%	$	2,438,474		100	%		0.36	%
Total Time Deposits
0.00-0.50%	$	113,661		16	%				$	207,081		53	%				$	232,255		71	%
0.51-1.00%		259,294		38	%					158,257		41	%					62,995		19	%
1.01-1.50%		186,510		27	%					16,209		4	%					11,908		4	%
1.51-2.00%		107,960		16	%					7,855		2	%					14,778		5	%
2.01-2.50%		15,409		2	%					1,603		0	%					3,498		1	%
Above 2.50%		5,495		1	%					26		0	%					125		0	%
Total time   deposits	$	688,329		100	%				$	391,031		100	%				$	325,559		100	%

The following table sets forth our time deposits segmented by months to maturity and deposit amount as of December 31, 2017 and 2016:

	As of December 31, 2017
(dollars in thousands)	Time deposits of $100 and greater		Time deposits of less than $100		Total
Months to maturity:
Three or less	$	46,693	$	55,234	$	101,927
Over Three to Six		99,520		45,993		145,513
Over Six to Twelve		108,525		76,065		184,590
Over Twelve		168,104		88,195		256,299
Total	$	422,842	$	265,487	$	688,329

	As of December 31, 2016
(dollars in thousands)	Time deposits of $100 and greater		Time deposits of less than $100		Total
Months to maturity:
Three or less	$	27,749	$	41,699	$	69,448
Over Three to Six		33,638		37,745		71,383
Over Six to Twelve		55,494		63,058		118,552
Over Twelve		66,135		65,513		131,648
Total	$	183,016	$	208,015	$	391,031

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Investment portfolio

Our investment portfolio provides liquidity and certain of our investment securities serve as collateral for certain deposits and other types of borrowings. Our investment strategy aims to maximize earnings while maintaining liquidity in securities with minimal credit risk. The types and maturities of securities purchased are primarily based on our current and projected liquidity and interest rate sensitivity positions.

The following table shows the carrying value of our total securities available for sale by investment type and the relative percentage of each investment type for the dated indicated:

	December 31,
	2017					2016					2015
(dollars in thousands)	Carrying value		% of total			Carrying value		% of total			Carrying value		% of total
U.S. Government agency securities	$	986		0	%	$	985		0	%	$	33,808		5	%
Mortgage-backed securities		418,781		77	%		443,908		76	%		522,373		81	%
Municipals, tax exempt		109,251		20	%		116,923		20	%		79,837		12	%
Treasury securities		7,252		1	%		11,757		2	%		4,485		1	%
Equity Securities		7,722		2	%		8,610		2	%		8,884		1	%
Total securities available for sale	$	543,992		100	%	$	582,183		100	%	$	649,387		100	%

The balance of our investment portfolio at December 31, 2017 was $544.0 million compared to $582.2 million at December 31, 2016.  During the year ended December 31, 2017, 2016 and 2015, we purchased $81.4 million, $316.4 million and $164.9 million in investment securities, respectively. Mortgage-backed securities and collateralized mortgage obligations, or CMOs, in the aggregate, comprised 73.4%, 83.0% and 97.2% of these purchases, respectively. CMOs are included in the “Mortgage-backed securities” line item in the above table. The mortgage-backed securities and CMOs held in our investment portfolio are primarily issued by government sponsored entities. U.S. Government agency securities and municipal securities accounted for 26.6%, 17.0% and 2.8%, respectively of total securities purchased in the years ended December 31, 2017, 2016 and 2015, respectively. The carrying value of securities sold during the years ended December 31, 2017, 2016 and 2015 totaled $94.7 million, $271.1million and $194.6 million, respectively. Included in sales of securities during the year ended December 31, 2017 were $59.5 million in securities acquired from the Clayton Banks. There was no gain or loss associated with the sale of the Clayton Banks’ securities. Maturities and calls of securities during the year ended December 31, 2017, 2016 and 2015, totaled $83.3 million, $104.4million and $103.2 million, respectively. As of December 31, 2017 and 2016, net unrealized losses of $4.9 million and $6.3 million, respectively, were recorded on investment securities.

86

The following table sets forth the fair value, scheduled maturities and weighted average yields for our investment portfolio as of December 31, 2017 and 2016:

	As of December 31,
	2017								2016
(dollars in thousands)	Fair value		% of total investment securities			Weighted average yield(1)			Fair value		% of total investment securities			Weighted average yield(1)
Treasury securities
Maturing within one year	$	—		—			—		$	4,502		0.8	%		0.69	%
Maturing in one to five years		7,252		1.3	%		1.76	%		7,255		1.2	%		1.76	%
Maturing in five to ten years		—		—			—			—		—			—
Maturing after ten years		—		—			—			—		—			—
Total Treasury securities		7,252		1.3	%		1.76	%		11,757		2.0	%		1.35	%
Government agency securities:
Maturing within one year		—		—			—			—		—			—
Maturing in one to five years		986		0.2	%		1.43	%		985		0.2	%		1.43	%
Maturing in five to ten years		—		—			—			—		—			—
Maturing after ten years		—		—			—			—		—			—
Total government agency securities		986		0.2	%		1.43	%		985		0.2	%		1.43	%
Obligations of state and municipal    subdivisions:
Maturing within one year		925		0.2	%		3.86	%		4,850		0.8	%		5.87	%
Maturing in one to five years		20,640		3.8	%		4.18	%		18,100		3.1	%		6.22	%
Maturing in five to ten years		19,588		3.6	%		3.84	%		32,248		5.5	%		6.17	%
Maturing after ten years		68,098		12.5	%		3.07	%		61,725		10.6	%		4.81	%
Total obligations of state and municipal    subdivisions		109,251		20.1	%		3.42	%		116,923		20.0	%		5.45	%
Residential mortgage backed securities    guaranteed by FNMA, GNMA and FHLMC:
Maturing within one year		—		—			—			1		0.0	%		2.53	%
Maturing in one to five years		—		—			—			137		0.0	%		5.32	%
Maturing in five to ten years		23		0.0	%		3.94	%		360		0.1	%		5.33	%
Maturing after ten years		418,758		77.0	%		2.32	%		443,410		76.2	%		2.17	%
Total residential mortgage backed    securities guaranteed by FNMA,    GNMA and FHLMC		418,781		77.0	%		2.32	%		443,908		76.3	%		2.17	%
Total marketable equity securities		7,722		1.4	%		1.17	%		8,610		1.5	%		1.11	%
Total investment securities	$	543,992		100.0	%		2.99	%	$	582,183		100.0	%		2.81	%

(1) Yields on a tax-equivalent basis.

The following table summarizes the amortized cost of securities classified as available for sale and their approximate fair values as of the dates shown:

(dollars in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Securities available for sale
As of December 31, 2017
US Government agency securities	$	999	$	—	$	(13	)	$	986
Mortgage-backed securities		425,557		374		(7,150	)		418,781
Municipals, tax exempt		107,127		2,692		(568	)		109,251
Treasury securities		7,345		—		(93	)		7,252
Equity securities		7,870		1		(149	)		7,722
	$	548,898	$	3,067	$	(7,973	)	$	543,992
As of December 31, 2016
US Government agency securities	$	998	$	—	$	(13	)	$	985
Mortgage-backed securities		450,874		939		(7,905	)		443,908
Municipals, tax exempt		116,034		3,003		(2,114	)		116,923
Treasury securities		11,809		—		(52	)		11,757
Equity securities		8,744		1		(135	)		8,610
	$	588,459	$	3,943	$	(10,219	)	$	582,183

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Borrowed funds

Deposits and investment securities for sale are the primary source of funds for our lending activities and general business purposes. However, we may also obtain advances from the FHLB, purchase federal funds and engage in overnight borrowing from the Federal Reserve, correspondent banks, or enter into client purchase agreements. We also use these sources of funds as part of our asset liability management process to control our long-term interest rate risk exposure, even if it may increase our short-term cost of funds. This may include match funding of fixed-rate loans. Our level of short-term borrowing can fluctuate on a daily basis depending on funding needs and the source of funds to satisfy the needs.

Total borrowings include securities sold under agreements to repurchase, lines of credit, advances from the FHLB, federal funds, junior subordinated debentures and related party subordinated debt.

	As of December 31, 2017
(dollars in thousands)	Amount		% of total			Weighted average interest rate (%)
Maturing Within:
December 31, 2018 (1)	$	314,005		90	%		1.40	%
December 31, 2019		224		0	%		5.97	%
December 31, 2020		131		0	%		5.47	%
December 31, 2021		418		0	%		5.81	%
December 31, 2022		890		0	%		5.73	%
Thereafter		31,927		10	%		4.79	%
Total	$	347,595		100	%		2.09	%

(1) Includes FHLB advances with 90 day fixed rate repricing terms that are being hedged with certain derivative instruments maturing in the third quarters of 2020, 2021 and 2022 in increments of $30.0 million, $35.0 million and $35.0 million, respectively. As such, these amounts are classified as long-term debt on the consolidated balance sheets as of December 31, 2017.

Short-term borrowings

The following table summarizes short-term borrowings (borrowings with maturities of one year or less), which consist of federal funds purchased from our correspondent banks on an overnight basis at the prevailing overnight market rates, securities sold under agreements to repurchase and FHLB Cash Management variable rate advances, or CMAs, and the weighted average interest rates paid:

				Year ended December 31,
(dollars in thousands)	2017			2016			2015
Average daily amount of short-term borrowings    outstanding during the period	$	71,064		$	108,335		$	184,743
Weighted average interest rate on average daily    short-term borrowings		0.06	%		0.09	%		0.23	%
Maximum outstanding short-term borrowings    outstanding at any month-end	$	204,293		$	173,808		$	239,536
Short-term borrowings outstanding at period end	$	204,293		$	171,561		$	123,133
Weighted average interest rate on short-term    borrowings at period end		1.17	%		0.66	%		0.17	%

Lines of credit and other borrowings.

As a member of the FHLB Cincinnati, the Bank receives advances from the FHLB pursuant to the terms of various agreements that assist in funding its mortgage and loan portfolio balance sheet. Under the agreements, we pledged qualifying mortgages of $968.6 million and $565.7 million, as well as qualifying investment securities of $0 and $62.3 million as collateral securing a line of credit with a total borrowing capacity of $671.5 million and $476.6 million as of December 31, 2017 and 2016, respectively.

Borrowings against the line were $12.4 million and $14.0 million in long term advances and $190.0 million and $150.0 million in overnight CMAs as of December 31, 2017 and 2016, respectively. In the third quarter of 2017, $100.0 million of 90 day variable rate advances was borrowed as part of the funding strategy of the Clayton Banks merger. The advances have 90 day fixed rate repricing terms and are hedged through certain derivative instruments in three traunches with maturities in three, four, and five years amounting to $30.0 million, $35.0 million, and $35.0 million, respectively. Given their functional purpose of securing longer-term funding and our intention to utilize them in a longer-term capacity, we categorize these FHLB advances as long-term debt on the consolidated balance sheets. An additional line of $300 million has been secured with the FHLB for overnight borrowing; however, additional collateral would be needed to draw on the line. No funds have been drawn on this line during 2017 or 2016.

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Additionally, the Bank maintained a line with the Federal Reserve Bank through the Borrower-in-Custody program in 2017 and 2016. As of December 31, 2017 and 2016, $724.3 million and $1,072.1 million of qualifying loans and $13,544 and $0 of investment securities were pledged to the Federal Reserve Bank through the Borrower-in-Custody program securing a line of credit of $529.5 million and $765.1 million.

The Bank also maintains lines with certain correspondent banks that provide borrowing capacity in the form of federal fund purchases in the aggregate amount of $165.0 million as of December 31, 2017 and $125.0 million as of December 31, 2016. As of December 31, 2017 and 2016, there were not any borrowings under these lines.

We have two wholly-owned subsidiaries that are statutory business trusts (“Trusts”). The Trusts were created for the sole purpose of issuing 30-year capital trust preferred securities to fund the purchase of junior subordinated debentures issued by the Company. As of December 31, 2017 and 2016, our $0.9 million investment in the Trusts was included in other assets in the accompanying consolidated balance sheets, and our $30.0 million obligation is reflected as junior subordinated debt, respectively. The junior subordinated debt bears interest at floating interest rates based on a spread over 3-month LIBOR plus 315 basis points (4.82% and 4.25% at December 31, 2017 and 2016, respectively) for the $21.7 million debenture and 3-month LIBOR plus 325 basis points (4.59% and 4.15% at December 31, 2017 and 2016, respectively) for the remaining $9.3 million. The $9.3 million debenture may be redeemed prior to the 2033 maturity date upon the occurrence of a special event, and the $21.7 million debenture may be redeemed prior to 2033 at our option. During 2017, we began hedging interest rate exposure through 90 day interest rate swaps amounting to $30.0 million.

Liquidity and capital resources

Bank liquidity management

We are expected to maintain adequate liquidity at the Bank to meet the cash flow requirements of clients who may be either depositors wishing to withdraw funds or borrowers needing assurance that sufficient funds will be available to meet their credit needs. Our asset and liability management policy is intended to cause the Bank to maintain adequate liquidity and, therefore, enhance our ability to raise funds to support asset growth, meet deposit withdrawals and lending needs, maintain reserve requirements and otherwise sustain our operations. We accomplish this through management of the maturities of our interest-earning assets and interest-bearing liabilities. We believe that our present position is adequate to meet our current and future liquidity needs.

We continuously monitor our liquidity position to ensure that assets and liabilities are managed in a manner that will meet all of our short-term and long-term cash requirements. We manage our liquidity position to meet the daily cash flow needs of clients, while maintaining an appropriate balance between assets and liabilities to meet the return on investment objectives of our shareholder. We also monitor our liquidity requirements in light of interest rate trends, changes in the economy and the scheduled maturity and interest rate sensitivity of the investment and loan portfolios and deposits.

As part of our liquidity management strategy, we are also focused on minimizing our costs of liquidity and attempt to decrease these costs by growing our noninterest bearing and other low-cost deposits and replacing higher cost funding including time deposits and borrowed funds. While we do not control the types of deposit instruments our clients choose, we do influence those choices with the rates and the deposit specials we offer. As a result of these strategies, we have been able to maintain a relatively low cost of funds in an increasing rate environment.

Our investment portfolio is another alternative for meeting liquidity needs. These assets generally have readily available markets that offer conversions to cash as needed. Securities within our investment portfolio are also used to secure certain deposit types and short-term borrowings. At December 31, 2017 and 2016, securities with a carrying value of $337.6 million and $390.8 million, respectively, were pledged to secure government, public, trust and other deposits and as collateral for short- term borrowings, letters of credit and derivative instruments.

Additional sources of liquidity include federal funds purchased and advances from the FHLB. Interest is charged at the prevailing market rate on federal funds purchased and FHLB advances. The balance of outstanding overnight borrowings with the FHLB at December 31, 2017 and 2016 was $190.0 million and $150.0 million, respectively. Funds obtained from the FHLB are generally used primarily to match-fund fixed rate loans in order to minimize interest rate risk and also be used to meet day to day liquidity needs, particularly when the cost of such borrowing compares favorably to the rates that we would be required to pay to attract deposits. During the third quarter of 2017, $100.0 million of 90 day fixed-rate advances were borrowed as part of the funding strategy of merger with the Clayton Banks as described in management’s discussion and analysis on lines of credit and other borrowings.  Given their functional purpose of securing longer-term funding and our intention to utilize them in a longer-term capacity, we categorize these FHLB advances as long-term debt on our consolidated balance sheets.  At December 31, 2017 and 2016, the balance of our outstanding additional long term advances with the FHLB were $12.4 million and $14.0 million, respectively. The remaining balance available with the FHLB was $369.1 million and $312.6 million at December 31, 2017 and 2016.  We also maintain lines of credit with other commercial banks totaling $165.0 million as of December 31, 2017 and 2016. These are unsecured, uncommitted lines of

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credit maturing at various times within the next twelve months. There were no amounts outstanding under these lines of credit at December 31, 2017 or 2016.

Holding company liquidity management

The Company is a corporation separate and apart from the Bank and, therefore, it must provide for its own liquidity. The Company’s main source of funding is dividends declared and paid to it by the Bank. Statutory and regulatory limitations exist that affect the ability of the Bank to pay dividends to the Company. Management believes that these limitations will not impact the Company’s ability to meet its ongoing short-term cash obligations. For additional information regarding dividend restrictions, see the “Business: Supervision and Regulation,” section in this Annual Report.

Due to state banking laws, the Bank may not declare dividends in any calendar year in an amount that would exceed an amount equal to the total of its net income for that year combined with its retained net income of the preceding two years, without the prior approval of the TDFI. Based upon this regulation, as of December 31, 2017 and 2016, $105.5 million and $66.2 million of the Bank’s retained earnings were available for the payment of dividends without such prior approval. In addition, dividends paid by the Bank to the Company would be prohibited if the effect thereof would cause the Bank’s capital to be reduced below applicable minimum capital requirements.

The Bank also paid dividends of approximately $14.9 million to the Company in the year ended December 31, 2016  for dividends to our majority (and formerly sole) shareholder and operational expenses that did not require approval from the TDFI.

Additionally, at December 31, 2017 and 2016, the Company had cash balances on deposit with the Bank totaling $25.8 million and $31.0 million, respectively, for ongoing corporate needs.

Capital management and regulatory capital requirements

Our capital management consists of providing adequate equity to support our current and future operations. We are subject to various regulatory capital requirements administered by state and federal banking agencies, including the TDFI, Federal Reserve and the FDIC. Failure to meet minimum capital requirements may prompt certain actions by regulators that, if undertaken, could have a direct material adverse effect on our financial condition and results of operations. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we must meet specific capital guidelines that involve quantitative measures of our assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. Our capital amounts and classification are also subject to qualitative judgments by the regulators about components of capital, risk weightings and other factors.

As a result of recent developments such as the Dodd-Frank Act and Basel III, we have become subject to increasingly stringent regulatory capital requirements beginning in 2015.

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The Federal Reserve, the FDIC and the Office of the Comptroller of the Currency have issued guidelines governing the levels of capital that banks must maintain. Those guidelines specify capital tiers, which include the classifications set forth in the following table. As of December 31, 2017 and 2016, we exceeded all capital ratio requirements under prompt corrective action and other regulatory requirements, as detailed in the table below:

	Actual						Required for capital adequacy purposes							To be well capitalized under prompt corrective action provision
(dollars in thousands)	Amount		Ratio (%)				Amount			Ratio (%)				Amount			Ratio (%)
December 31, 2017
Common Equity Tier 1 (CET1)
FB Financial Corporation	$	442,381		10.71	%	>	$	185,874	>		4.5	%		N/A			N/A
FirstBank	$	442,061		10.72	%	>	$	185,567	>		4.5	%	>	$	268,041	>		6.5	%
Total capital (to risk weighted assets)
FB Financial Corporation	$	496,422		12.01	%	>	$	330,672	>		8.0	%		N/A			N/A
FirstBank	$	466,102		11.30	%	>	$	329,984	>		8.0	%	>	$	412,480	>		10.0	%
Tier 1 capital (to risk weighted assets)
FB Financial Corporation	$	472,381		11.43	%	>	$	247,969	>		6.0	%		N/A			N/A
FirstBank	$	442,061		10.72	%	>	$	247,422	>		6.0	%	>	$	247,422	>		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	472,381		10.46	%	>	$	180,643	>		4.0	%		N/A			N/A
FirstBank	$	442,061		9.77	%	>	$	180,987	>		4.0	%	>	$	226,234	>		5.0	%
December 31, 2016
Common Equity Tier 1 (CET1)
FB Financial Corporation	$	287,146		11.04	%	>	$	117,043	>		4.5	%		N/A			N/A
FirstBank	$	282,271		10.88	%	>	$	116,748	>		4.5	%	>	$	168,636	>		6.5	%
Total capital (to risk weighted assets)
FB Financial Corporation	$	338,893		13.03	%	>	$	208,069	>		8.0	%		N/A			N/A
FirstBank	$	304,018		11.72	%	>	$	207,521	>		8.0	%	>	$	259,401	>		10.0	%
Tier 1 capital (to risk weighted assets)
FB Financial Corporation	$	317,146		12.19	%	>	$	156,101	>		6.0	%		N/A			N/A
FirstBank	$	282,271		10.88	%	>	$	155,664	>		6.0	%	>	$	155,664	>		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	317,146		10.05	%	>	$	126,227	>		4.0	%		N/A			N/A
FirstBank	$	282,271		8.95	%	>	$	126,155	>		4.0	%	>	$	157,693	>		5.0	%

We also have outstanding junior subordinated debentures with a carrying value of $30.9 million at December 31, 2017 and 2016, of which $30.0 million are included in our Tier 1 capital. The Federal Reserve Board issued rules in March 2005 providing more strict quantitative limits on the amount of securities that, similar to our junior subordinated debentures, are includable in Tier 1 capital. This guidance, which became fully phased-in in March 2009, did not impact the amount of debentures we include in Tier 1 capital. In addition, although our existing junior subordinated debentures are unaffected and are included in our Tier 1 capital, on account of changes enacted as part of the Dodd-Frank Act, any trust preferred securities issued after May 19, 2010 may not be included in Tier 1 capital.

In July 2013, the Federal Reserve, the FDIC and the Office of the Comptroller of the Currency approved the implementation of the Basel III regulatory capital reforms and issued rules affecting certain changes required by the Dodd-Frank Act, which we refer to as the Basel III Rules, that call for broad and comprehensive revision of regulatory capital standards for U.S. banking organizations. The Basel III Rules implement a new common equity Tier 1 minimum capital requirement, a higher minimum Tier 1 capital requirement and other items that will affect the calculation of the numerator of a banking organization’s risk-based capital ratios. Additionally, the Basel III Rules apply limits to a banking organization’s capital distributions and certain discretionary bonus payments if the banking organization does not hold a specified amount of common equity Tier 1 capital in addition to the amount necessary to meet its minimum risk-based capital requirements.

The new common equity Tier 1 capital ratio includes common equity as defined under GAAP and does not include any other type of non-common equity under GAAP. When the Basel III Rules are fully phased in 2019, banks will be required to have common equity Tier 1 capital of 4.5% of average assets, Tier 1 capital of 6% of average assets, as compared to the current 4%, and total capital of 8% of risk-weighted assets to be categorized as adequately capitalized. The Basel III

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Rules do not require the phase-out of trust preferred securities as Tier 1 capital of bank holding companies of the Company’s size.

Further, the Basel III Rules changed the agencies’ general risk-based capital requirements for determining risk-weighted assets, which will affect the calculation of the denominator of a banking organization’s risk-based capital ratios. The Basel III Rules have revised the agencies’ rules for calculating risk-weighted assets to enhance risk sensitivity and incorporate certain international capital standards of the Basel Committee on Banking Supervision set forth in the standardized approach of the “International Convergence of Capital Measurement and Capital Standards: A Revised Framework”.

The calculation of risk-weighted assets in the denominator of the Basel III capital ratios are adjusted to reflect the higher risk nature of certain types of loans. Specifically, as applicable to the Company and the Bank:

• Commercial mortgages: Replaces the current 100% risk weight with a 150% risk weight for certain high volatility commercial real estate acquisition, development and construction loans.

• Nonperforming loans: Replaces the current 100% risk weight with a 150% risk weight for loans, other than residential mortgages, that are 90 days past due or on nonaccrual status.

• Securities pledged to overnight repurchase agreements.

• Unfunded lines of credit one year or less.

Generally, the new Basel III Rules became effective on January 1, 2015, although parts of the Basel III Rules will be phased in through 2019. As of December 31, 2017 and 2016, the Bank and Company met all capital adequacy requirements to which it is subject. Also, as of December 31, 2017 and 2016, the most recent notification from the FDIC, the Bank was well capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s category.

Capital Expenditures

Currently, we have not entered into any capital commitments exceeding $1 million over the next twelve months.

Shareholders’ equity

Our total shareholders’ equity was $596.7 million at December 31, 2017 and $330.5 million, at December 31, 2016. Book value per share was $19.54 at December 31, 2017 and $13.71 at December 31, 2016. The growth in shareholders’ equity was attributable to additional capital of $152.7 million raised in private placement of 4,806,710 shares of common stock in addition to shares issued in conjunction with the merger of the Clayton Banks, which contributed an additional $52.3 million. Shareholders’ equity also increased due to earnings retention and changes in accumulated other comprehensive income and activity related to equity-based compensation.

Off-balance sheet transactions

We enter into loan commitments and standby letters of credit in the normal course of our business. Loan commitments are made to accommodate the financial needs of our clients. Standby letters of credit commit us to make payments on behalf of clients when certain specified future events occur. Both arrangements have credit risk essentially the same as that involved in extending loans to clients and are subject to our normal credit policies. Collateral (e.g., securities, receivables, inventory, equipment, etc.) is obtained based on management’s credit assessment of the client.

Loan commitments and standby letters of credit do not necessarily represent our future cash requirements because while the borrower has the ability to draw upon these commitments at anytime, these commitments often expire without being drawn upon. Our unfunded loan commitments and standby letters of credit outstanding at the dates indicated were as follows:

	December 31,
	2017		2016
Loan commitments	$	977,276	$	579,879
Standby letters of credit		22,882		22,547

We closely monitor the amount of our remaining future commitments to borrowers in light of prevailing economic conditions and adjust these commitments as necessary. We will continue this process as new commitments are entered into or existing commitments are renewed.

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For more information about our off-balance sheet transactions, see Note 17, “Commitments and Contingencies,” in the notes to our consolidated financial statements.

Contractual obligations  

The following tables present, as of December 31, 2017, our significant fixed and determinable contractual obligations to third parties by payment date.  For more information about our contractual obligations, see Note 17, “Commitments and Contingencies,” in the notes to our consolidated financial statements.

	As of December 31, 2017 payments due in:
(dollars in thousands)	Less than 1 year		1 to 3 years		3 to 5 years		More than 5 years		Total
Operating Leases	$	3,533	$	5,124	$	3,697	$	5,350	$	17,704
Time Deposits(1)		432,030		196,117		56,968		3,214		688,329
Short term borrowings(1)		190,000		—		—		—		190,000
Securities sold under agreements to repurchase(1)		14,293		—		—		—		14,293
Junior Subordinated Debt(1)		—		—		—		30,930		30,930
FHLB advances(1)		109,712		355		1,308		997		112,372
Total	$	749,568	$	201,596	$	61,973	$	40,491	$	1,053,628

(1) Excludes Interest

ITEM 7A — QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest rate sensitivity

Our market risk arises primarily from interest rate risk inherent in the normal course of lending and deposit-taking activities. Management believes that our ability to successfully respond to changes in interest rates will have a significant impact on our financial results. To that end, management actively monitors and manages our interest rate risk exposure.

The Asset Liability Committee (“ALCO”), which is authorized by the Bank’s board of directors, monitors our interest rate sensitivity and makes decisions relating to that process. The ALCO’s goal is to structure our asset/liability composition to maximize net interest income while managing interest rate risk so as to minimize the adverse impact of changes in interest rates on net interest income and capital in either a rising or declining interest rate environment. Profitability is affected by fluctuations in interest rates. A sudden and substantial change in interest rates may adversely impact our earnings because the interest rates borne by assets and liabilities do not change at the same speed, to the same extent or on the same basis.

We monitor the impact of changes in interest rates on our net interest income and economic value of equity (“EVE”) using rate shock analysis. Net interest income simulations measure the short-term earnings exposure from changes in market rates of interest in a rigorous and explicit fashion. Our current financial position is combined with assumptions regarding future business to calculate net interest income under varying hypothetical rate scenarios. EVE measures our long-term earnings exposure from changes in market rates of interest. EVE is defined as the present value of assets minus the present value of liabilities at a point in time. A decrease in EVE due to a specified rate change indicates a decline in the long-term earnings capacity of the balance sheet assuming that the rate change remains in affect over the life of the current balance sheet.

The following analysis depicts the estimated impact on net interest income and EVE of immediate changes in interest rates at the specified levels for the periods presented:

	Percentage change in:
Changein interest rates	Net interest income(1)
	Year 1						Year 2
										December 31,
(in basis points)	2017			2016			2017			2016
+400		8.8	%		3.6	%		13.9	%		10.7	%
+300		6.6	%		2.8	%		10.6	%		8.4	%
+200		4.4	%		1.8	%		7.3	%		5.8	%
+100		2.0	%		1.0	%		3.6	%		3.1	%
-100		(6.7	)%		(7.4	)%		(9.2	)%		(9.3	)%

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	Percentage change in:
Change in interest rates	Economic value of equity(2)
	December 31,
(in basis points)	2017			2016
+400		(8.8	)%		(4.3	)%
+300		(6.2	)%		(2.3	)%
+200		(3.5	)%		(0.8	)%
+100		(1.6	)%		0.2	%
-100		(3.3	)%		(10.6	)%

(1) The percentage change represents the projected net interest income for 12 months and 24 months on a flat balance sheet in a stable interest rate environment versus the projected net income in the various rate scenarios.

(2) The percentage change in this column represents our EVE in a stable interest rate environment versus EVE in the various rate scenarios.

The results for the net interest income simulations for December 31, 2017 and 2016 resulted in asset sensitive positions. These asset sensitive positions are primarily due to the increase in mortgage loans held for sale and trending growth of noninterest bearing deposits. As our mortgage loans held for sale increase, we become more asset sensitive, which has been our current trend. However, as mortgage rates rise, we expect our mortgage originations and mortgage loans held for sale to decline, which will make us less asset sensitive. Beta assumptions on loans and deposits were consistent for both time periods. The ALCO also reviewed beta assumptions for time deposits and loans with industry standards and revised them accordingly. For December 31, 2017 and 2016 simulations the loan and time deposit betas were 100% for all rate scenarios as is industry standard.

The preceding measures assume no change in the size or asset/liability compositions of the balance sheet. Thus, the measures do not reflect the actions the ALCO may undertake in response to such changes in interest rates. The above results of the interest rate shock analysis are within the parameters set by the Bank’s board of directors. The scenarios assume instantaneous movements in interest rates in increments of 100, 200, 300 and 400 basis points. With the present position of the target federal funds rate, the declining rate scenarios seem improbable. Furthermore, it has been the Federal Reserve’s policy to adjust the target federal funds rate incrementally over time. As interest rates are adjusted over a period of time, it is our strategy to proactively change the volume and mix of our balance sheet in order to mitigate our interest rate risk. The computation of the prospective effects of hypothetical interest rate changes requires numerous assumptions regarding characteristics of new business and the behavior of existing positions. These business assumptions are based upon our experience, business plans and published industry experience. Key assumptions employed in the model include asset prepayment speeds, competitive factors, the relative price sensitivity of certain assets and liabilities and the expected life of non-maturity deposits. Because these assumptions are inherently uncertain, actual results may differ from simulated results.

We utilize derivative financial instruments, including rate lock commitments and forward loan sales contracts as part of our ongoing efforts to mitigate our interest rate risk exposure inherent in our mortgage pipeline and held for sale portfolio. Under the interest rate lock commitments, interest rates for a mortgage loan are locked in with the client for a period of time, typically thirty days. Once an interest rate lock commitment is entered into with a client, we also enter into a forward commitment to sell the residential mortgage loan to secondary market investors. Accordingly, we do not incur risk if the interest rate lock commitment in the pipeline fails to close. Forward loan sale contracts are contracts for delayed delivery of mortgage loans. We agree to deliver on a specified future date, a specified instrument, at a specified price or yield. The credit risk inherent to us arises from the potential inability of counterparties to meet the terms of their contracts. In the event of non-acceptance by the counterparty, we would be subject to the credit and inherent (or market) risk of the loans retained.

For more information about our derivative financial instruments, see Note 18, “Derivative Instruments,” in the notes to our consolidated financial statements.  

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Quarterly Results of Operations

Summarized unaudited quarterly operating results for the Company for the year ending December 31, 2017 and 2016 are as follows:

	2017
	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Interest income	$	32,889		$	33,278		$	48,415		$	55,031
Interest expense		2,638			2,851			4,805			6,048
Net interest income		30,251			30,427			43,610			48,983
Provision for loan losses		(257	)		(865	)		(784	)		956
Net interest income after provision for loan losses		30,508			31,292			44,394			48,027
Noninterest income		31,087			35,657			37,820			37,017
Noninterest expense		46,417			49,136			69,224			57,540
Income tax expense		5,425			6,574			4,602			4,486
Net income	$	9,753		$	11,239		$	8,388		$	23,018
Weighted average common shares outstanding:
Basic		24,138,437			25,741,968			30,004,952			30,527,234
Fully diluted		24,610,991			26,301,458			30,604,537			31,166,080
Earnings per share
Basic	$	0.40		$	0.44		$	0.28		$	0.75
Fully diluted	$	0.40		$	0.43		$	0.27		$	0.74
Pro Forma (C Corporation basis):
Income tax expense	$	5,425		$	6,574		$	4,602		$	4,486
Net income	$	9,753		$	11,239		$	8,388		$	23,018
Earnings per share
Basic	$	0.40		$	0.44		$	0.28		$	0.75
Fully diluted	$	0.40		$	0.43		$	0.27		$	0.74

	2016
	First Quarter			Second Quarter			Third Quarter		Fourth Quarter
Interest income	$	28,242		$	30,680		$	30,005	$	31,567
Interest expense		2,299			2,322			2,388		2,535
Net interest income		25,943			28,358			27,617		29,032
Provision for loan losses		(9	)		(789	)		71		(752	)
Net interest income after provision for loan losses		25,952			29,147			27,546		29,784
Noninterest income		31,035			38,356			43,962		31,332
Noninterest expense		41,347			50,595			55,529		47,319
Income tax expense		1,041			1,133			14,772		4,787
Net income	$	14,599		$	15,775		$	1,207	$	9,010
Weighted average common shares outstanding:
Basic		17,180,000			17,180,000			18,259,128		23,977,028
Fully diluted		17,180,000			17,180,000			18,332,192		24,500,943
Earnings per share
Basic	$	0.85		$	0.92		$	0.07	$	0.38
Fully diluted	$	0.85		$	0.92		$	0.07	$	0.37
Pro Forma (C Corporation basis):
Income tax expense	$	5,837		$	6,332		$	5,946	$	4,787
Net income	$	9,803		$	10,576		$	10,033	$	9,010
Earnings per share
Basic	$	0.57		$	0.62		$	0.55	$	0.38
Fully diluted	$	0.57		$	0.62		$	0.55	$	0.37

95

ITEM 8 – FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Table of Contents

	Page
Management’s Assessment of Internal Controls Over Financial Statements	97
Report of Independent Registered Public Accounting Firm	98
Consolidated Financial Statements:
Consolidated balance sheets	99
Consolidated statements of income	100
Consolidated statements of comprehensive income	101
Consolidated statements of changes in shareholders’ equity	102
Consolidated statements of cash flows	103
Notes to consolidated financial statements	104

96

Report on Management’s Assessment of Internal Control over Financial Reporting

The management of FB Financial Corporation (the “Company”) is responsible for establishing and maintaining adequate internal control over financial reporting. The Company's internal control system was designed to provide reasonable assurance to the Company's management and board of directors regarding the preparation and fair presentation of the financial statements. No matter how well designed, internal control over financial reporting has inherent limitations, including the possibility that a control can be circumvented or overridden, and misstatements due to error or fraud may occur and not be detected. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation.

The Company's management assessed the effectiveness of the Company's internal control over financial reporting as of December 31, 2017.  In making this assessment, it used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control-Integrated Framework (2013).  As permitted by Securities and Exchange Commission guidance, management excluded from its assessment the operations of American City Bank and Clayton Bank and Trust, acquisitions made during 2017, which are described in Note 2 of the Consolidated Financial Statements. The total assets of the entities acquired in the American City Bank and Clayton Bank and Trust acquisitions represented approximately 6% and 18%, respectively, of the Company’s total consolidated assets as of December 31, 2017.

Based on this assessment management has determined that, as of December 31, 2017, the Company's internal control over financial reporting is effective based on the specified criteria.

97

Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of FB Financial Corporation:

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of FB Financial Corporation and its subsidiaries (the Company) as of December 31, 2017 and 2016, the related consolidated statements of income, comprehensive income, changes in shareholders' equity and cash flows for each of the three years in the period ended December 31, 2017, and the related notes to the consolidated financial statements (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2017 and 2016, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company's internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ RSM US LLP

We have served as the Company's auditor since 2015.

Jacksonville, Florida

March 16, 2018

98

FB Financial Corporation and subsidiaries

Consolidated balance sheets

(Amounts are in thousands except share and per share amounts)

	December 31,
	2017		2016
ASSETS
Cash and due from banks	$	29,831	$	50,157
Federal funds sold		66,127		13,037
Interest bearing deposits in financial institutions		23,793		73,133
Cash and cash equivalents		119,751		136,327
Investments:
Available-for-sale securities, at fair value		543,992		582,183
Federal Home Loan Bank stock, at cost		11,412		7,743
Loans held for sale, at fair value		526,185		507,442
Loans		3,166,911		1,848,784
Less: allowance for loan losses		24,041		21,747
Net loans		3,142,870		1,827,037
Premises and equipment, net		81,577		66,651
Other real estate owned, net		16,442		7,403
Interest receivable		13,069		7,241
Mortgage servicing rights		76,107		32,070
Goodwill		137,190		46,867
Core deposit and other intangibles, net		14,902		4,563
Other assets		44,216		51,354
Total assets	$	4,727,713	$	3,276,881
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities:
Demand deposits
Noninterest-bearing	$	888,200	$	697,072
Interest-bearing		1,909,546		1,449,382
Savings deposits		178,320		134,077
Customer time deposits		602,628		389,500
Brokered and internet time deposits		85,701		1,531
Total time deposits		688,329		391,031
Total deposits		3,664,395		2,671,562
Securities sold under agreements to repurchase		14,293		21,561
Short-term borrowings		190,000		150,000
Long-term debt		143,302		44,892
Accrued expenses and other liabilities		118,994		58,368
Total liabilities		4,130,984		2,946,383
Shareholders' equity:
Common stock, $1 par value per share; 75,000,000 shares authorized;    30,535,517 and 24,107,660 shares issued and outstanding at    December 31, 2017 and December 31, 2016, respectively		30,536		24,108
Additional paid-in capital		418,596		213,480
Retained earnings		147,449		93,784
Accumulated other comprehensive income (loss), net		148		(874	)
Total shareholders' equity		596,729		330,498
Total liabilities and shareholders' equity	$	4,727,713	$	3,276,881

See accompanying notes to consolidated financial statements.

99

FB Financial Corporation and subsidiaries

Consolidated statements of income

(Amounts are in thousands except share and per share amounts)

	Year Ended December 31,
	2017			2016			2015
Interest income:
Interest and fees on loans	$	153,969		$	105,865		$	87,723
Interest on securities
Taxable		10,084			10,646			11,783
Tax-exempt		4,006			3,372			2,808
Other		1,554			611			468
Total interest income		169,613			120,494			102,782
Interest expense:
Deposits
Demand and savings accounts		9,272			5,413			4,733
Time deposits		3,759			1,929			1,559
Short-term borrowings		42			121			712
Long-term debt		3,269			2,081			1,906
Total interest expense		16,342			9,544			8,910
Net interest income		153,271			110,950			93,872
Provision for loan losses		(950	)		(1,479	)		(3,064	)
Net interest income after provision for loan losses		154,221			112,429			96,936
Noninterest income:
Mortgage banking income		116,933			117,751			70,190
Service charges on deposit accounts		7,787			8,009			7,389
ATM and interchange fees		8,784			7,791			6,536
Investment services and trust income		3,949			3,337			3,260
Bargain purchase gain		—			—			2,794
Gain from securities, net		285			4,407			1,844
Gain (loss) on sales or write-downs of other real estate owned		774			1,282			(317	)
Loss from other assets		(664	)		(103	)		(393	)
Other income		3,733			2,211			1,077
Total noninterest income		141,581			144,685			92,380
Noninterest expenses:
Salaries, commissions and employee benefits		130,355			113,992			84,214
Occupancy and equipment expense		13,836			12,611			10,777
Legal and professional fees		5,737			3,514			3,355
Data processing		6,488			4,181			2,053
Merger and conversion		19,034			3,268			3,543
Amortization of core deposit and other intangibles		1,995			2,132			1,731
Amortization of mortgage servicing rights		—			8,321			2,601
Impairment of mortgage servicing rights		—			4,678			194
Loss on sale of mortgage servicing rights		249			4,447			—
Regulatory fees and deposit insurance assessments		2,049			1,952			2,190
Software license and maintenance fees		1,873			2,874			1,986
Advertising		12,957			10,608			8,062
Other expense		27,744			22,212			17,786
Total noninterest expense		222,317			194,790			138,492
Income before income taxes		73,485			62,324			50,824
Income tax expense (Note 15)		21,087			21,733			2,968
Net income	$	52,398		$	40,591		$	47,856
Weighted average shares of common stock outstanding
Basic		27,627,228			19,165,182			17,180,000
Fully diluted		28,207,602			19,312,174			17,180,000
Earnings per share
Basic	$	1.90		$	2.12		$	2.79
Fully diluted		1.86			2.10			2.79
Pro Forma (C Corporation basis) (Note 15):
Income tax expense	$	21,087		$	22,902		$	17,829
Net income	$	52,398		$	39,422		$	32,995
Pro Forma Earnings per share
Basic	$	1.90		$	2.06		$	1.92
Fully diluted		1.86			2.04			1.92

See accompanying notes to consolidated financial statements.

100

FB Financial Corporation and subsidiaries

Consolidated statements of comprehensive income  

(Amounts are in thousands)

	Year Ended December 31,
	2017			2016			2015
Net income	$	52,398		$	40,591		$	47,856
Other comprehensive income, net of tax:
Net change in unrealized loss (gain) in available-for-sale    securities, net of taxes of $493, $5,309 and $(71)		1,162			778			(1,057	)
Reclassification adjustment for (gain) on sale of securities    included in net income, net of tax expenses of $112, $298,    and $91		(173	)		(4,109	)		(1,753	)
Net change in unrealized gain in hedging activities, net of    taxes of $442, $-, and $-		685			—			—
Comprehensive income	$	54,072		$	37,260		$	45,046

See accompanying notes to consolidated financial statements.

101

FB Financial Corporation and subsidiaries

Consolidated statements of changes in shareholders’ equity

(Amounts are in thousands except share and per share amounts)

	Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive income, net			Total shareholders' equity
Balance at January 1, 2015	$	17,180	$	94,544		$	98,237		$	5,267		$	215,228
Net income		—		—			47,856			—			47,856
Other comprehensive loss, net of taxes		—		—			—			(2,810	)		(2,810	)
Cash dividends declared ($1.37 per share)		—		—			(23,600	)		—			(23,600	)
Balance at December 31, 2015	$	17,180	$	94,544		$	122,493		$	2,457		$	236,674
Net income		—		—			40,591			—			40,591
Other comprehensive loss, net of taxes		—		—			—			(3,331	)		(3,331	)
Common stock issued, net of offering costs		6,765		108,760			—			—			115,525
Conversion of cash to stock-settled awards for:
Equity based incentive plans		—		2,388			—			—			2,388
Deferred compensation plan		—		3,000			—			—			3,000
Stock based compensation expense		—		4,693			—			—			4,693
Restricted stock units vested and distributed,    net of shares withheld		142		(413	)		—			—			(271	)
Shares issued under employee stock    purchase program		21		508			—			—			529
Cash dividends declared ($4.03 per share)		—		—			(69,300	)		—			(69,300	)
Balance at December 31, 2016	$	24,108	$	213,480		$	93,784		$	(874	)	$	330,498
Initial fair value election on mortgage servicing    rights, net of taxes of $396 (See Note 1)		—		—			615			—			615
Net income		—		—			52,398			—			52,398
Other comprehensive income, net of taxes		—		—			—			1,674			1,674
Reclassification of the income tax effects of the Tax    Cuts and Jobs Act to Retained earnings (Note 15)		—		—			652			(652	)		—
Common stock issued, net of offering costs		4,807		147,914			—			—			152,721
Common stock issued in conjunction with    acquisition of the Clayton Banks, net of    issuance costs (See Note 2)		1,521		50,763			—			—			52,284
Stock based compensation expense		18		6,742			—			—			6,760
Restricted stock units vested and distributed,    net of shares withheld		63		(919	)		—			—			(856	)
Shares issued under employee stock    purchase program		19		616			—			—			635
Balance at December 31, 2017	$	30,536	$	418,596		$	147,449		$	148		$	596,729

See accompanying notes to consolidated financial statements.

102

FB Financial Corporation and subsidiaries

Consolidated statements of cash flows

(Amounts are in thousands)

	Year Ended December 31,
	2017			2016			2015
Cash flows from operating activities:
Net income	$	52,398		$	40,591		$	47,856
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation expense		4,316			3,995			3,283
Amortization of core deposit and other intangibles		1,995			2,132			1,731
Capitalization of mortgage servicing rights		(58,984	)		(46,070	)		(26,474	)
Amortization of mortgage servicing rights		—			8,321			2,601
Change in fair value of mortgage servicing rights		4,023			—			—
Impairment of mortgage servicing rights		—			4,678			194
Stock-based compensation expense		6,760			4,693			—
Provision for loan losses		(950	)		(1,479	)		(3,064	)
Provision for mortgage loan repurchases		810			512			1,375
Accretion of yield on purchased loans		(5,419	)		(3,538	)		(493	)
Accretion of discounts and amortization of premiums on securities, net		2,693			2,326			1,474
Bargain purchase gain		—			—			(2,794	)
Gain from securities, net		(285	)		(4,407	)		(1,844	)
Originations of loans held for sale		(6,331,458	)		(4,671,561	)		(2,757,463	)
Proceeds from sale of loans held for sale		6,408,198			4,534,837			2,739,914
Gain on sale and change in fair value of loans held for sale		(107,189	)		(115,485	)		(65,947	)
Loss (gain) on sale of mortgage servicing rights		249			(3,406	)		—
Net gain or write-downs of other real estate owned		(774	)		(1,282	)		317
Gain on other assets		664			103			393
Provision for deferred income taxes		6,458			9,257			1,647
Changes in:
Other assets and interest receivable		6,478			(24,730	)		(1,301	)
Accrued expenses and other liabilities		47,627			15,312			12,820
Net cash provided by (used in) operating activities		37,610			(245,201	)		(45,775	)
Cash flows from investing activities:
Activity in available-for-sale securities:
Sales		94,743			271,148			194,611
Maturities, prepayments and calls		83,344			104,368			103,233
Purchases		(81,353	)		(316,384	)		(164,864	)
Net increase in loans		(241,379	)		(127,949	)		(206,670	)
Proceeds from sale of mortgage servicing rights		11,686			34,118			—
Purchases of premises and equipment		(4,545	)		(4,784	)		(5,918	)
Proceeds from the sale of premises and equipment		39			46			17
Proceeds from the sale of other real estate owned		5,438			6,696			3,774
Net cash (paid) received in business combination		(135,141	)		—			23,995
Net cash used in investing activities		(267,168	)		(32,741	)		(51,822	)
Cash flows from financing activities:
Net increase in demand and savings deposits		14,682			167,616			306,360
Net (decrease) increase in time deposits		(1,367	)		65,472			(37,671	)
Net decrease in securities sold under agreements to repurchase		(7,268	)		(83,572	)		(8,361	)
Increase (decrease) in short-term borrowings		23,767			132,000			(81,378	)
Increase (decrease) in long-term debt		29,812			(11,724	)		(8,234	)
Net proceeds from sale of common stock		153,356			116,054			—
Dividends paid		—			(69,300	)		(25,350	)
Net cash provided by financing activities		212,982			316,546			145,366
Net change in cash and cash equivalents		(16,576	)		38,604			47,769
Cash and cash equivalents at beginning of the period		136,327			97,723			49,954
Cash and cash equivalents at end of the period	$	119,751		$	136,327		$	97,723
Supplemental cash flow information:
Interest paid	$	15,470		$	9,474		$	8,985
Taxes paid		22,292			1,307			1,754
Supplemental noncash disclosures:
Transfers from loans to other real estate owned	$	3,605		$	2,724		$	4,085
Transfers from other real estate owned to loans		256			1,548			785
Transfers from loans held for sale to loans		11,706			17,963			5,045
Rebooked GNMA loans under optional repurchase program		43,035			—			—
Stock consideration paid in business combination		52,284			—			—
Conversion of cash-settled to stock settled compensation		—			5,388			—
Trade date payable -  securities		348			—			—
Fair value election of mortgage servicing rights		1,011			—			—

See accompanying notes to consolidated financial statements.

103

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (1)—Basis of presentation:

(A) Organization:

FB Financial Corporation (the “Company”), a bank holding company, and its wholly-owned subsidiary, FirstBank (the “Bank”), are engaged in the business of banking and headquartered in Nashville, Tennessee. The Bank provides a full range of financial services to individual, corporate and public customers throughout Tennessee, north Alabama, and north Georgia and operates a national mortgage business with office locations across the Southeast, which primarily originate loans to be sold in the secondary market.

On September 18, 2015, the Company completed its acquisition of Northwest Georgia Bank (“NWGB”), which added locations in Ringgold, Georgia and Catoosa County, Georgia and additional locations in Chattanooga, Tennessee. On July 31, 2017, the Bank completed its previously announced acquisitions of Clayton Bank and Trust and American City Bank, headquartered in Knoxville, Tennessee and Tullahoma, Tennessee, respectively. The financial condition and results of operation for the acquired banks are included in the Company’s consolidated financial statements since the acquisition dates. See Note 2, “Mergers and acquisitions” in the notes to the consolidated financial statements for further details regarding the terms and conditions of these acquisitions.

Effective March 8, 2016, the company formerly known as First South Bancorp, Inc. legally changed its name to FB Financial Corporation.

The Bank is subject to competition from other financial services companies and financial institutions. The Company and the Bank are also subject to the regulations of certain federal and state agencies and undergo periodic examinations by those regulatory authorities.

On June 28, 2016, the Company declared a 100-for-1 stock split, increasing the number of issued and authorized shares from 171,800 to 17,180,000 and 250,000 to 25,000,000, respectively. Additional shares issued as a result of the stock split were distributed immediately upon issuance to the shareholder on that date. Share and per share amounts included in the consolidated financial statements and notes thereto reflect the effect of the split for all periods presented. Additionally, in July 2016, the Company increased the authorized shares from 25,000,000 to 75,000,000.

On August 19, 2016, the Company filed a Registration Statement on Form S-1 with the Securities and Exchange Commission (“SEC”) which was declared effective by the SEC on September 15, 2016. The Company sold and issued 6,764,704 shares of common stock at $19 per share pursuant to that Registration Statement. Total proceeds received by the Company, net of offering costs, were approximately $115,525. The proceeds were used to fund a $55,000 distribution to the majority shareholder representing undistributed earnings previously taxed to him under subchapter S, and used to repay all $10,075 aggregate principal amount of subordinated notes held by the majority shareholder, plus any accrued and unpaid interest thereon.

As of December 31, 2017 and 2016, the Company is considered a “controlled company” and is controlled by the Company’s Executive Chairman and former sole shareholder, James W. Ayers.

The Company qualifies as an “emerging growth company” as defined by the Jumpstart Our Business Startups Act (“JOBS Act”).

The Company terminated its S-Corporation status and became a taxable corporate entity (“C Corporation”) on September 16, 2016 in connection with its initial public offering. Unaudited pro forma amounts for income tax expense and basic and diluted earnings per share have been presented assuming the Company’s pro forma effective tax rate of 36.75% for the year ended December 31, 2016 and 35.08% for the year ended December 31, 2015, as if it had been a C Corporation during those periods.

On May 26, 2017, the Company entered into Securities Purchase Agreements (the “Securities Purchase Agreements”) with accredited investors (the “Purchasers”) pursuant to which the Company agreed to sell in a private placement (the “Private Placement”) an aggregate of 4,806,710 shares of the Company’s common stock, par value $1.00 (the “Private Placement Shares”), at a purchase price of $33.00 per share. Total proceeds received from the sale of such Private Placement Shares, net of placement agent and other offering costs of $5,901, were approximately $152,721.

104

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

(B) Basis of presentation:

The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America and general banking industry. In preparing the financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and the reported results of operations for the year then ended.

Actual results could differ significantly from those estimates. Material estimates that are particularly susceptible to significant changes in the near term relate to the determination of the allowance for loan losses, investment securities determination of other-than-temporary impairment (“OTTI”), the determination of fair value in business combinations, the valuation of other real estate owned, and the determination of the fair value of financial instruments, loans held for sale and mortgage servicing rights. In connection with the determination of the estimated fair value of other real estate owned and impaired loans, management obtains independent appraisals for significant properties.

The consolidated financial statements include the accounts of the Company, the Bank, and its’ wholly-owned subsidiaries, FirstBank Insurance, Inc., First Holdings, Inc., RE Holdings, Inc., and Investors Title Company. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain prior period amounts have been reclassified to conform to the current period presentation without any impact on the reported amounts of net income or shareholders’ equity.

(C) Cash flows:

For purposes of reporting consolidated cash flows, cash and cash equivalents include cash on hand, amounts due from banks, federal funds sold and interest earning deposits in other financial institutions with maturities of less than 90 days at the date of purchase. These amounts are reported in the consolidated balance sheets caption “Cash and cash equivalents.” Net cash flows are reported for loans held for investment, deposits, repurchase agreements, federal funds sold, and short-term borrowings.

(D) Cash and cash equivalents:

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash and cash equivalents.

(E) Investment securities:

Debt securities are classified as held to maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they might be sold before maturity. Equity securities with readily determinable fair values are classified as available-for-sale. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income, net of applicable taxes.

Interest income includes the amortization and accretion of purchase premium and discount. Premiums and discounts on securities are amortized on the level-yield method anticipating prepayments based upon the prior three month average monthly prepayments when available. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

The Company evaluates securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. For securities in an unrealized loss position, consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, and the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. In analyzing an issuer’s financial condition, the Company considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition.

When OTTI is determined to have occurred, the amount of the OTTI recognized in earnings depends on whether we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. If we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the OTTI recognized in earnings is equal to the entire difference between its amortized cost basis and its fair value at the date it was determined to be OTTI. If we do not intend to sell the security and

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

it is not more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the OTTI is separated into the amount representing the credit loss and the amount related to all other factors. The amount of the total related to the credit loss is determined based on the present value of cash flows expected to be collected and is recognized as a charge to earnings. The amount of the OTTI related to other factors is recognized in other comprehensive income, net of applicable taxes. The previous amortized cost basis less the OTTI recognized in earnings becomes the new amortized cost basis of the investment. During the year ended December 31, 2017, the Company recorded OTTI amounting to $945 as discussed in Note 4.

(F) Loans held for sale:

Loans originated and intended for sale in the secondary market, primarily mortgage loans, are carried at fair value as permitted under the guidance in ASC 825, “Financial Instruments” (“ASC 825”). Net (losses) gains of $9,111, $(2,289), and $2,257 resulting from fair value changes of these mortgage loans were recorded in income during 2017, 2016, and 2015, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both mortgage loans held for sale and the related derivative instruments are recorded in “Mortgage banking income” in the Consolidated Statements of Income. Gains and losses are recognized in Mortgage banking income on the consolidated statements of income at the time the loan is closed. Pass through origination costs and related loan fees are also included in “Mortgage banking income”. Effective December 31, 2017, the Company adopted a change in accounting policy to recognize revenue on Best Efforts deliveries and accrue commissions at the time of the interest rate lock commitment.  Management believes this treatment better correlates and streamlines the revenue and expenses of mortgage sale delivery methods.

Periodically, the Bank will transfer mortgage loans originated for sale in the secondary markets into the loan portfolio based on current market conditions, the overall secondary marketability of the loan and the status of the loan. During 2017, 2016 and 2015, the Bank transferred approximately $11,706, $18,000, and $5,000, respectively, of residential mortgage loans into its portfolio. The loans are transferred into the portfolio at fair value at the date of transfer.

Government National Mortgage Association (GNMA) optional repurchase programs allow financial institutions to buy back individual delinquent mortgage loans that meet certain criteria from the securitized loan pool for which the institution provides servicing and was the original transferor. At the servicer’s option and without GNMA’s prior authorization, the servicer may repurchase such a delinquent loan for an amount equal to 100 percent of the remaining principal balance of the loan. Under FASB ASC Topic 860, “Transfers and Servicing,” this buy-back option is considered a conditional option until the delinquency criteria are met, at which time the option becomes unconditional. When the Company is deemed to have regained effective control over these loans under the unconditional buy-back option and the expected benefit of the potential buy-back is more than trivial, the loans can no longer be reported as sold and must be brought back onto the balance sheet as loans held for sale, regardless of whether the Company intends to exercise the buy-back option. These loans are reported as loans held for sale with the offsetting liability being reported in other liabilities. At December 31, 2017, rebooked GNMA loans held for sale amounted to $43,035. Amounts related to prior periods were not significant. The fair value option election does not apply to the GNMA optional repurchase loans which do not meet the requirements under FASB ASC Topic 825 to be accounted for under the fair value option.

(G) Loans (excluding purchased credit impaired loans):

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or pay-off are stated at the principal amount outstanding. Interest on loans is recognized as income by using the simple interest method on daily balances of the principal amount outstanding.

Loans on which the accrual of interest has been discontinued are designated as nonaccrual loans. Accrual of interest is discontinued on loans past due 90 days or more unless the credit is well secured and in the process of collection. Also, a loan may be placed on nonaccrual status prior to becoming past due 90 days if management believes, after considering economic and business conditions and collection efforts, that the borrower’s financial condition is such that collection of principal or interest is doubtful. The decision to place a loan on nonaccrual status prior to becoming past due 90 days is based on an evaluation of the borrower’s financial condition, collateral liquidation value, economic and business conditions and other factors that affect the borrower’s ability to pay. When a loan is placed on nonaccrual status, the accrued but unpaid interest is charged against current period operations. Thereafter, interest on nonaccrual loans is

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

recognized only as received if future collection of principal is probable. If the collectability of outstanding principal is doubtful, interest received is applied as a reduction of principal. A loan may be restored to accrual status when principal and interest are no longer past due or it otherwise becomes both well secured and collectability is reasonably assured.

(H) Allowance for loan losses:

The allowance for loan losses is a valuation allowance for probable incurred credit losses. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. Management estimates the allowance balance required using past loan loss experience, the nature and volume of the portfolio, information about specific borrower situations and estimated collateral values, economic conditions, and other factors. Allocations of the allowance may be made for specific loans, but the entire allowance is available for any loan that, in management’s judgment, should be charged off.

Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

Commercial and commercial real estate loans over $250 are individually evaluated for impairment. If a loan is impaired, a portion of the allowance is allocated so that the loan is reported, net, at the present value of estimated future cash flows using the loan’s existing rate or at the fair value of collateral if repayment is expected solely from the collateral. Large groups of smaller balance homogeneous loans, such as consumer, residential real estate loans, commercial and commercial real estate loans less than $250 are collectively evaluated for impairment, and accordingly, they are not separately identified for impairment disclosures.

Loans for which the terms have been modified resulting in a concession, and for which the borrower is experiencing financial difficulties, are considered troubled debt restructurings (“TDRs”) and classified as impaired. TDRs are separately identified for impairment disclosures and are measured at the present value of estimated future cash flows using the loan’s effective rate at inception. If a TDR is considered to be a collateral dependent loan, the loan is reported, net, at the fair value of the collateral.

The general component covers non-impaired loans and is based on historical loss experience adjusted for current factors. The historical loss experience is determined by portfolio segment and is based on the actual loss history experienced by the Company over the most recent 5 years. This actual loss experience is supplemented with other economic factors based on the risks present for each portfolio segment. These economic factors include consideration of the following: levels of and trends in delinquencies and impaired loans; levels of and trends in charge-offs and recoveries; trends in volume and terms of loans; effects of any changes in risk selection and underwriting standards; other changes in lending policies, procedures, and practices; experience, ability, and depth of lending management and other relevant staff; national and local economic trends and conditions; industry conditions; and effects of changes in credit concentrations.

The following portfolio segments have been identified:

Commercial and industrial loans. The Company provides a mix of variable and fixed rate commercial and industrial loans. Commercial and industrial loans are typically made to small- and medium-sized manufacturing, wholesale, retail and service businesses for working capital and operating needs and business expansions, including the purchase of capital equipment and loans made to farmers relating to their operations. This category also includes loans secured by manufactured housing receivables. Commercial and industrial loans generally include lines of credit and loans with maturities of five years or less. The loans are generally made with operating cash flows as the primary source of repayment, but may also include collateralization by inventory, accounts receivable, equipment and/or personal guarantees. The ability of the borrower to collect accounts receivable, and to turn inventory into sales are risk factors in the repayment of the loan.

Construction loans. Construction loans include commercial construction, land acquisition and land development loans and single-family interim construction loans to small- and medium-sized businesses and individuals. These loans are generally secured by the land or the real property being built and are made based on our assessment of the value of the property on an as-completed basis. We expect to continue to make construction loans at a similar pace so long as demand continues and the market for and values of such properties remain stable or continue to improve in our markets. These

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

loans can carry risk of repayment when projects incur cost overruns, have an increase in the price of building materials, encounter zoning and environmental issues, or encounter other factors that may affect the completion of a project on time and on budget. Additionally, repayment risk may be negatively impacted when the market experiences a deterioration in the value of real estate.

Residential real estate 1-4 family mortgage loans. The Company’s residential real estate 1-4 family mortgage loans are primarily made with respect to and secured by single family homes, which are both owner-occupied and investor owned and include manufactured homes with real estate. The Company intends to continue to make residential 1-4 family housing loans at a similar pace, so long as housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. First lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate.

Residential line of credit loans. The Company’s residential line of credit loans are primarily revolving, open-end lines of credit secured by 1-4 residential properties. The Company intends to continue to make home equity loans if housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. Second lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate.

Multi-family residential loans. The Company’s multi-family residential loans are primarily secured by multi-family properties, such as apartments and condominium buildings. These loans may be affected by unemployment or underemployment and deteriorating market values of real estate.

Commercial real estate loans. The Company’s commercial real estate owner-occupied loans include loans to finance commercial real estate owner occupied properties for various purposes including use as offices, warehouses, production facilities, health care facilities, retail centers, restaurants, churches and agricultural based facilities. Commercial real estate owner-occupied loans are typically repaid through the ongoing business operations of the borrower, and hence are dependent on the success of the underlying business for repayment and are more exposed to general economic conditions.

Commercial real estate non-owner occupied loans. The Company’s commercial real estate non-owner occupied loans include loans to finance commercial real estate non-owner occupied investment properties for various purposes including use as offices, warehouses, health care facilities, hotels, mixed-use residential/commercial, manufactured housing communities, retail centers, assisted living facilities and agricultural based facilities. Commercial real estate non-owner occupied loans are typically repaid with the funds received from the sale of the completed property or rental proceeds from such property, and are therefore more sensitive to adverse conditions in the real estate market, which can also affected by general economic conditions.

Consumer and other loans. The Company’s consumer and other loans include loans to individuals for personal, family and household purposes, including car, boat and other recreational vehicle loans, manufactured homes without real estate, and personal lines of credit.   Consumer loans are generally secured by vehicles and other household goods. The collateral securing consumer loans may depreciate over time. The company seeks to minimize these risks through its underwriting standards. Other loans also include loans to states and political subdivisions in the U.S. These loans are generally subject to the risk that the borrowing municipality or political subdivision may lose a significant portion of its tax base or that the project for which the loan was made may produce inadequate revenue.

(I) Business combinations, accounting for acquired loans and related assets:

Business combinations are accounted for by applying the acquisition method in accordance with ASC 805, “Business Combinations” (“ASC 805”). Under the acquisition method, identifiable assets acquired and liabilities assumed and any non-controlling interest in the acquiree at the acquisition date are measured at their fair values as of that date. Any excess of the purchase price over fair value of net assets acquired is recorded as goodwill. To the extent the fair value of net assets acquired, including any other identifiable intangible assets, exceed the purchase price, a bargain purchase gain is recognized. Results of operations of the acquired entities are included in the Consolidated Statements of Income from the date of acquisition.

Loans acquired in business combinations with evidence of credit deterioration since origination and for which it is probable that all contractually required payments will not be collected are considered to be credit-impaired. Purchased credit-impaired loans (“PCI” loans) are accounted for under the accounting guidance for loans and debt securities acquired with

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

deteriorated credit quality, in accordance with ASC 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality” (“ASC 310-30”), and initially measured at fair value, which includes estimated future credit losses expected to be incurred over the life of the loans. Increases in expected cash flows to be collected on these loans are recognized as an adjustment of the loan’s yield over its remaining life, while decreases in expected cash flows are recognized as an impairment. As a result, related discounts are recognized subsequently through accretion based on the expected cash flow of the acquired loans.

(J) Premises and equipment:

Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation. Provisions for depreciation are computed principally on the straight-line method and are charged to occupancy expense over the estimated useful lives of the assets. Maintenance agreements are amortized to expense over the period of time covered by the agreement. Costs of major additions, replacements or improvements are capitalized while expenditures for maintenance and repairs are charged to expense as incurred.

For financial statement purposes, the estimated useful life for premises is forty years, for furniture and fixtures the estimated useful life is seven to ten years, for leasehold improvements the estimated useful life is the lesser of twenty years or the term of the lease and for equipment the estimated useful life is three to seven years.

(K) Other real estate owned:

Real estate acquired through, or in lieu of, loan foreclosure is initially recorded at fair value less the estimated cost to sell at the date of foreclosure which may establish a new cost basis. After foreclosure, valuations are periodically performed by management and the asset is carried at the lower of carrying amount or fair value less costs to sell. Revenue and expenses from operations are included in other noninterest income and noninterest expenses. Losses due to the valuation of the property are included in (gain) loss on sales or write-downs of foreclosed assets.

(L) Mortgage servicing rights:

The Company retains the right to service certain mortgage loans that it sells to secondary market investors. The retained mortgage servicing right is initially recorded at the fair value of future net cash flows expected to be realized for performing servicing activities. These mortgage servicing rights are recognized as a separate asset on the date the corresponding mortgage loan is sold.

In periods prior to 2017, mortgage servicing rights were amortized in proportion to and over the period of estimated net servicing income. These servicing rights were carried at the lower of amortized cost or fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs, and other factors. Mortgage servicing rights were carried at amortized cost less the reserve for impairment at December 31, 2016. Impairment losses on mortgage servicing rights were recognized to the extent by which the unamortized cost exceeded fair value. Impairment losses on mortgage servicing rights of $4,678 and $194 were recognized in earnings during the years ended December 31, 2016 and 2015, respectively.

As of January 1, 2017, the Company elected to account for its mortgage servicing rights under the fair value option as permitted under ASC 860-50-35, Transfers and Servicing. The change in accounting policy resulted in a one-time adjustment to retained earnings of $615 for the after-tax increase in fair value above book value at January 1, 2017. Subsequent changes in fair value are recorded in earnings in Mortgage banking income.

(M) Transfers of financial assets:

Transfers of financial assets are accounted for as sales, when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

(N) Goodwill and other intangibles:

Goodwill represents the excess of the cost of an acquisition over the fair value of the net assets acquired. Goodwill impairment testing is performed annually or more frequently if events or circumstances indicate possible impairment. Goodwill is assigned to the Company’s reporting units, Banking or Mortgage as applicable. See Note 2, “Mergers and acquisitions” for information related to the goodwill recorded in the Bank’s acquisitions of Clayton Bank and Trust and American City Bank. As discussed in Note 21, the Company realigned its segment reporting structure during the year ended December 31, 2016. As a result, our reporting units have been adjusted to reflect this change from geographic-based reporting units to business segment reporting units. Goodwill is evaluated for impairment by either performing a qualitative evaluation or a two-step quantitative test. The qualitative evaluation is an assessment of factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount, including goodwill.  If an entity does a qualitative assessment and determines that it is not more likely than not the fair value of a reporting unit is less than its carrying amount, then goodwill of the reporting unit is not considered impaired, and it is not necessary to continue to the two-step goodwill impairment test. If the estimated implied fair value of goodwill is less than the carrying amount, an impairment loss would be recognized as noninterest expense to reduce the carrying amount to the estimated implied fair value which could be material to our operating results for any particular reporting period. No impairment was identified through the quantitative annual assessment for impairment performed as of December 31, 2017. Additionally, qualitative and quantitative assessments were performed for the years ended December 31, 2016 and 2015, respectively, and no impairment was identified.

Other intangible assets consist of core deposit intangible assets arising from whole bank and branch acquisitions in addition to an operating lease intangible, customer Trust intangible and manufactured housing servicing intangible recorded in conjunction with the acquisition of the Clayton Banks completed on July 31, 2017 (see Note 2). All intangible assets are initially measured at fair value and then amortized over their estimated useful lives.

(O) Income taxes:

Prior to September 16, 2016, the Company was taxed under the provisions of subchapter S of the Internal Revenue Code.  Under these provisions, the Company did not pay corporate federal income taxes on its taxable income but was liable for Tennessee corporate income taxes. Instead, the shareholder was liable for individual income taxes on the Company’s taxable income.  The Company and the Bank file consolidated federal and state income tax returns.

Unaudited pro forma amounts for income tax expense and basic and diluted earnings per share have been presented assuming the Company’s pro forma effective tax rate of 36.75% for the year ended December 31, 2016 and 35.08% for the year ended December 31, 2015, as if it had been a C corporation during those periods. In addition, the unaudited pro forma results for the year ended December 31, 2016 excludes the effect of recognition of the deferred tax liability attributable to conversion of $13,181 as discussed in Note 15.

Income tax expense is the total of the current year income tax due and the change in deferred tax assets and liabilities. Deferred tax assets and liabilities are the expected future tax amounts for the temporary differences between carrying amounts and tax bases of assets and liabilities, computed using enacted tax rates. A valuation allowance, if needed, reduces deferred tax assets to the amount expected to be realized. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. See Note 15, “Income taxes” for information related to the impact of the Tax Cuts and Jobs Act signed into law on December 22, 2017.

A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.

The Company’s policy is to recognize interest and penalties on uncertain tax positions in “Income tax expense” in the Consolidated Statements of Income. There were no amounts related to interest and penalties recognized for the years ended December 31, 2017, 2016 or 2015.

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

(P) Long-lived assets:

Premises and equipment, core deposit intangible assets, and other long-lived assets are reviewed for impairment when events indicate their carrying amount may not be recoverable from future undiscounted cash flows. If impaired, the assets are recorded at fair value. No long-lived assets were deemed to be impaired at December 31, 2017 and 2016.

(Q) Off-balance sheet financial instruments:

Financial instruments include off-balance sheet credit instruments, such as commitments to make loans and commercial letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded, unless considered derivatives.

(R) Derivative financial instruments and hedging activities:

All derivative financial instruments are recorded at their fair values in other assets or other liabilities in the consolidated balance sheets in accordance with ASC 815, “Derivatives and Hedging.” If derivative financial instruments are designated as hedges of fair values, both the change in the fair value of the hedge and the hedged item are included in current earnings. If derivative financial instruments are not designated as hedges, only the change in the fair value of the derivative instrument is included in current earnings.

Cash flow hedges are utilized to mitigate the exposure to variability in expected future cash flows or other types of forecasted transactions. For the Company’s derivatives designated as cash flow hedges, changes in the fair value of cash flow hedges are, to the extent that the hedging relationship is effective, recorded as other comprehensive income and are subsequently recognized in earnings at the same time that the hedged item is recognized in earnings. The ineffective portions of the changes in fair value of the hedging instruments are immediately recognized in earnings. The assessment of the effectiveness of the hedging relationship is evaluated under the hypothetical derivative method.  

The Company also utilizes derivative instruments that are not designated as hedging instruments. The Company enters into interest rate cap and/or floor agreements with its customers and then enters into an offsetting derivative contract position with other financial institutions to mitigate the interest rate risk associated with these customer contracts. Because these derivative instruments are not designated as hedging instruments, changes in the fair value of the derivative instruments are recognized currently in earnings.

The Company enters into commitments to originate loans whereby the interest rate on the loan is determined prior to funding (rate-lock commitments). Rate-lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Accordingly, such commitments, along with any related fees received from potential borrowers, are recorded at fair value in other assets or liabilities, with changes in fair value recorded in the line item “Mortgage banking income” on the Consolidated Statements of Income. Fair value is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered.

The Company utilizes forward loan sale contracts and forward sales of residential mortgage-backed securities to mitigate the interest rate risk inherent in the Company’s mortgage loan pipeline and held-for-sale portfolio. Forward sale contracts are contracts for delayed delivery of mortgage loans or a group of loans pooled as mortgage-backed securities. The Company agrees to deliver on a specified future date, a specified instrument, at a specified price or yield. However, the contract may allow for cash settlement. The credit risk inherent to the Company arises from the potential inability of counterparties to meet the terms of their contracts. In the event of non-acceptance by the counterparty, the Company would be subject to the credit and inherent (or market) risk of the loans retained. Such contracts are accounted for as derivatives and, along with related fees paid to investor are recorded at fair value in derivative assets or liabilities, with changes in fair value recorded in the line item “Mortgage banking income” on the Consolidated Statements of Income. Fair value is based on the estimated amounts that the Company would receive or pay to terminate the commitment at the reporting date.

The Company utilizes two methods to deliver mortgage loans sold to an investor. Under a “best efforts” sales agreement, the Company enters into a sales agreement with an investor in the secondary market to sell the loan when an interest rate-lock commitment is entered into with a customer, as described above. Under a “best efforts” sales agreement, the

111

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Company is obligated to sell the mortgage loan to the investor only if the loan is closed and funded. Thus, the Company will not incur any liability to an investor if the mortgage loan commitment in the pipeline fails to close. The Company also utilizes “mandatory delivery” sales agreements. Under a mandatory delivery sales agreement, the Company commits to deliver a certain principal amount of mortgage loans to an investor at a specified price and delivery date. Penalties are paid to the investor should the Company fail to satisfy the contract. Mandatory commitments are recorded at fair value in the Company’s Consolidated Balance Sheets. Gains and losses arising from changes in the valuation of these commitments are recognized currently in earnings and are reflected under the line item “Other noninterest income” on the Consolidated Statements of Income.

(S) Comprehensive income:

Comprehensive income consists of net income and other comprehensive income. Other comprehensive income includes unrealized gains and losses on available-for-sale securities and derivatives designated as cash flow hedges, net of taxes.

(T) Loss contingencies:

Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on the financial statements.

(U) Securities sold under agreements to repurchase:

The Company routinely sells securities to certain customers and then repurchases the securities the next business day. Securities sold under agreements to repurchase are reflected in the consolidated balance sheets at the amount of cash received in connection with each transaction. These are secured liabilities and are not covered by the Federal Deposit Insurance Corporation.

(V) Advertising expense:

Advertising costs, including costs related to internet mortgage marketing and related costs, are expensed as incurred. For the years ended December 31, 2017, 2016 and 2015, advertising costs were $12,957, $10,608 and $8,062, respectively.

(W) Earnings per common share:

Basic earnings per common share are net income divided by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under the restricted stock units granted but not yet vested and distributable. Unearned compensation plus assumed proceeds from the applicable tax benefits are used to repurchase common stock at the average market price. There were no dilutive instruments outstanding during the year ended December 31, 2015; therefore, diluted net income per common share is the same as basic net income per share.

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The following is a summary of the basic and diluted earnings per common share calculation for each of the periods presented:

	December 31,
	2017		2016		2015
Basic earnings per share calculation:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Basic earnings per share	$	1.90	$	2.12	$	2.79
Diluted earnings per share:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Average diluted common shares outstanding		580,374		146,992		—
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Diluted earnings per share	$	1.86	$	2.10	$	2.79
Pro forma earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Pro forma basic earnings per share	$	1.90	$	2.06	$	1.92
Pro forma diluted earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Pro forma diluted earnings per share	$	1.86	$	2.04	$	1.92

(X) Segment reporting:

The Company’s Mortgage division represents a distinct reportable segment which differs from the Company’s primary business of Banking. Accordingly, a reconciliation of reportable segment revenues, expenses and profit to the Company’s consolidated total has been presented in Note 21.

(Y) Stock-based compensation

Stock-based compensation expense is recognized in accordance with ASC 718-20, “Compensation – Stock Compensation Awards Classified as Equity”. Expense is recognized based on the fair value of the portion of stock-based payment awards that are ultimately expected to vest, reduced for estimated forfeitures based on grant-date fair value. The restricted stock unit awards are amortized over the required service period, if any. 

(Z) Recent Accounting Pronouncements

In May 2014, the FASB issued an update to Accounting Standards Update (“ASU”) No. 2014-09, “Revenue from Contracts with Customers” (FASB Topic 606). The guidance in this update affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The guidance provides steps to follow to achieve the core principle. An entity should disclose sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. Qualitative and quantitative information is required about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. The amendments in this update are effective for interim and annual reporting periods beginning after December 15, 2017. The Company's revenue is comprised of interest income on financial assets, which is excluded from the scope of this new guidance, and non-interest income. The Company adopted this new guidance on January 1, 2018, and it will not have a significant impact on the Company's financial condition, results of operations or EPS.

In September 2015, the FASB issued ASU 2015-16, “Simplifying the Accounting for Measurement-Period Adjustments.” The update requires acquirers to adjust provisional amounts identified during the measurement period in the reporting

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

period in which the adjustments are determined, rather than retrospectively adjusting previously reported information. Additional disclosure of the impact of measurement period adjustments on current year earnings will also be required. For public business entities, the amendments of this update were effective for interim and annual periods beginning after December 15, 2015. The Company elected to early adopt this ASU for the year ended December 31, 2015. The adoption of this ASU did not have a material impact on the Company’s financial position, results of operation, or earnings per share (“EPS”).

In January 2016, the FASB released ASU 2016-01, “Recognition and Measurement of Financial Assets and Liabilities.” The main provisions of the update are to eliminate the available for sale classification of accounting for equity securities and adjust the fair value disclosures for financial instruments carried at amortized cost such that the disclosed fair values represent an exit price as opposed to an entry price. The provisions of this update will require that equity securities be carried at fair market value on the balance sheet and any periodic changes in value will be adjustments to the income statement. A practical expedient is provided for equity securities without a readily determinable fair value such that these securities can be carried at cost less any impairment. The Company adopted this new guidance on January 1, 2018, and it will not have a significant impact on the Company’s financial position, results of operation, or EPS.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The update will require lessees to recognize right-of-use assets and lease liabilities for all leases not considered short term leases. The provisions of the update also include (a) defining direct costs to only include those incremental costs that would not have been incurred if the lease had not been entered into, (b) circumstances under which the transfer contract in a sale-leaseback transaction should be accounted for as the sale of an asset by the seller-lessee and the purchase of an asset by the buyer-lessor, and (c) additional disclosure requirements. The provisions of this update become effective for interim and annual periods beginning after December 15, 2018. Management is currently evaluating the potential impact of this update, but does not expect the requirements to have a significant impact on the Company’s financial position, results of operation, or EPS.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” Under ASU 2016-09 all excess tax benefits and tax deficiencies related to share-based payment awards should be recognized as income tax expense or benefit in the income statement during the period in which they occur. Previously, such amounts were recorded in the pool of excess tax benefits included in additional paid-in capital, if such pool was available. Because excess tax benefits are no longer recognized in additional paid-in capital, the assumed proceeds from applying the treasury stock method when computing earnings per share should exclude the amount of excess tax benefits that would have previously been recognized in additional paid-in capital. Additionally, excess tax benefits should be classified along with other income tax cash flows as an operating activity rather than a financing activity, as was previously the case. ASU 2016-09 also provides that an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur. ASU 2016-09 changes the threshold to qualify for equity classification (rather than as a liability) to permit withholding up to the maximum statutory tax rates (rather than the minimum as was previously the case) in the applicable jurisdictions. ASU 2016-09 will become effective for interim and annual periods beginning after December 15, 2016. The Company elected to early adopt this ASU for the year ended December 31, 2016. The adoption of this ASU did not have a material impact on the Company’s financial position, results of operation, or EPS.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts and requires enhanced disclosures related to the significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, ASU 2016-13 amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. ASU 2016-13 will become effective for interim and annual periods beginning after December 15, 2019.  Management is currently evaluating the potential impact of this update.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows - Classification of Certain Cash Receipts and Cash Payments (Topic 230).” ASU 2016-15 provides guidance related to certain cash flow issues in order to reduce the current and potential future diversity in practice. ASU 2016-15 became effective for the Company as of January 1, 2018 and it will not have a significant impact on our financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805) - Clarifying the Definition of a Business.” ASU 2017-01 clarifies the definition and provides a more robust framework to use in determining when a set of

114

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

assets and activities constitutes a business. ASU 2017-01 is intended to provide guidance when evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. ASU 2017-01 will become effective for interim and annual periods beginning after December 15, 2017.  If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles – Goodwill and Other (Topic 350) – Simplifying the Test for Goodwill Impairment.” ASU 2017-04 eliminates step two from the goodwill impairment test. Instead, an entity will perform only step one of its quantitative goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount, and then recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. An entity will still have the option to perform a qualitative assessment for a reporting unit to determine if the quantitative step one impairment test is necessary. ASU 2017-01 will become effective for interim and annual periods beginning after December 15, 2019. Early adoption is permitted, including in an interim period, for impairment tests performed after January 1, 2017. If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In March 2017, the FASB issued ASU 2017-08, “Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities." The amendments in this ASU shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount, which continue to be amortized to maturity. Public business entities must prospectively apply the amendments in this ASU to annual periods beginning after December 15, 2018, including interim periods. The Company does not expect this update to have a material impact on its consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09, “Stock Compensation - Scope of Modification Accounting (Topic 718): Scope of Modification Accounting.” The amendments in this ASU provide guidance on when changes to the terms or conditions of a share-based payment award are to be accounted for as modifications. Under ASU 2017-09, entities are not required to apply modification accounting to a share-based payment award when the award’s fair value, vesting conditions, and classification as an entity or a liability instrument remain the same after the change. ASU 2017-09 is effective for all entities beginning after December 15, 2017 including interim periods within the fiscal year. Early adoption is permitted. Upon adoption, the ASU will be applied prospectively to awards modified on or after the adoption date. The adoption of this update will not have a significant impact on its consolidated financial statements.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities.” The amendments in this ASU make more financial and non-financial hedging strategies eligible for hedge accounting. It also amends the presentation and disclosure requirements and changes how companies assess effectiveness. The Company has elected to early adopt this update effective January 1, 2018. If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, “Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The amendments in this ASU addressed the income tax accounting treatment of the stranded tax effects within other comprehensive income due to the newly enacted federal corporate tax rate included in the Tax Cuts and Jobs Act issued December 22, 2017. These amendments allow an entity to make a reclassification from other comprehensive income to retained earnings for the difference between the historical corporate income tax rate and the newly enacted corporate income tax rate. The amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those years.Early adoption is permitted, including adoption in any interim period, for public companies for reporting periods for which financial statements have not yet been issued. The Company elected to early adopt ASU 2018-02 and, as a result, reclassified $652 from accumulated other comprehensive income to retained earnings as of December 31, 2017. The reclassification impacted the Consolidated Balance Sheet and the Consolidated Statement of Changes in Shareholders’ Equity as of and for the year ended December 31, 2017.

115

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (2)—Mergers and acquisitions:

Clayton Bank and Trust and American City Bank

On July 31, 2017, the Bank completed its previously-announced merger with Clayton Bank and Trust (“CBT”) and American City Bank (“ACB” and together with CBT, the “Clayton Banks”), pursuant to the Stock Purchase Agreement with Clayton HC, Inc., a Tennessee corporation (“Seller”), and James L. Clayton, the majority shareholder of Seller, dated February 8, 2017, as amended on May 26, 2017, with a purchase price of approximately $236,484.  The Company issued 1,521,200 shares of common stock and paid cash of $184,200 to purchase all of the outstanding shares of the Clayton Banks.  At closing, the Clayton Banks merged with and into FirstBank, with FirstBank continuing as the surviving banking entity.

Prior to the merger, the Clayton Banks operated 18 banking locations across Tennessee. The merger with the Clayton Banks has allowed the Company to further its strategic initiatives by expanding its geographic footprint in Knoxville and other Tennessee markets and accelerates the growth of the Company’s Banking segment.

Goodwill of $90,323 recorded in connection with the transaction resulted primarily from anticipated synergies arising from the combination of certain operational areas of the Clayton Banks and the Company as well as the purchase premium inherent to buying a complete and successful banking operation. Goodwill is included in the Banking segment as substantially all of the operations resulting from the Clayton Banks merger is included in the Banking segment.

In connection with the transaction, the Company incurred $19,034 in merger and conversion expenses during the year ended December 31, 2017. This amount includes $10,000 contributed to a charitable foundation established to invest in the communities across the markets of the Clayton Banks.

For income tax purposes, the merger with the Clayton Banks was treated as an asset purchase. As an asset purchase for income tax purposes, the value of assets and liabilities for the Clayton Banks are the same for both financial reporting and income tax purposes; therefore, no deferred taxes were recorded at the date of acquisition. Additionally, this treatment allows for the deductibility of the goodwill and core deposit intangible for income tax purposes over 15 years.

The Company accounted for the Clayton Banks transaction under the acquisition method under ASC Topic 805. Accordingly, the fair value of the assets acquired and liabilities assumed along with the resulting goodwill was recorded as of the date of the merger. The Company’s operating results for 2017 include the operating results of the acquired assets and assumed liabilities of the Clayton Banks subsequent to the acquisition date.

116

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

As of December 31, 2017, the Company has finalized its valuation of all assets acquired and liabilities assumed, resulting in no material changes to preliminary purchase accounting adjustments. The following tables present the final estimated fair value of net assets acquired as of the July 31, 2017 acquisition date and the consideration paid and an allocation of the purchase price to net assets acquired:

	As of July 31, 2017
	As Recorded by FB Financial Corporation
Assets
Cash and cash equivalents	$	49,059
Investment securities		59,493
FHLB stock		3,409
Loans		1,059,728
Allowance for loan losses		-
Premises and equipment		18,866
Other real estate owned		6,888
Intangibles, net		12,334
Other assets		5,978
Total assets	$	1,215,755
Liabilities
Interest-bearing deposits	$	670,054
Non-interest bearing deposits		309,464
Borrowings		84,831
Accrued expenses and other liabilities		5,245
Total liabilities	$	1,069,594
Net assets acquired (excluding goodwill recognized)	$	146,161

Purchase price:
Equity consideration
Common stock issued		1,521,200
Price per share as of July 31, 2017	$	34.37
Total equity consideration			$	52,284
Cash consideration				184,200	(2)
Total consideration paid			$	236,484
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets			$	146,161
Goodwill				90,323
Total consideration paid			$	236,484

(1) Amounts include certain reclassifications of opening balances to conform to the Company’s presentation.

(2) Amount was deposited into an interest-bearing deposit account with the Bank in the name of the Seller as of July, 31, 2017.

The following table presents the fair value of acquired purchase credit impaired loans accounted for in accordance with ASC 310-30 from the Clayton Banks as of the July 31, 2017 acquisition date:

	July 31, 2017
Contractually-required principal and interest	$	115,448
Nonaccretable difference		(12,430	)
Best estimate of contractual cash flows expected to be collected		103,018
Accretable yield		(18,868	)
Fair value	$	84,150

117

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The following unaudited pro forma condensed consolidated financial information presents the results of operations for the years ended December 31, 2017 and 2016 as though the merger had been completed as of January 1, 2016. The unaudited estimated pro forma information combines the historical results of the Clayton Banks with the Company’s historical consolidated results and includes certain adjustments reflecting the estimated impact of certain fair value adjustments including loan discount accretion, amortization of core deposit and other intangibles, and amortization of the discount on time deposits for the periods presented. The pro forma information is not indicative of what would have occurred had the acquisition taken place on January 1, 2016 and does not reflect any assumptions regarding cost-savings, revenue enhancements, provision for credit losses or asset dispositions. Actual revenues and earnings of the Clayton Banks since the merger date have not been disclosed as it is not practicable as the Clayton Banks were merged into the Company and separate financial information is not readily available.

	Year Ended December 31,
	2017		2016
Net interest income	$	192,633	$	171,383
Total revenues	$	336,404	$	322,045
Net income	$	75,659	$	64,608

Northwest Georgia Bank

On September 18, 2015, the Bank completed its acquisition of Northwest Georgia Bank (“NWGB”), a bank headquartered in Ringgold, Georgia, pursuant to that certain Agreement and Plan of Merger dated April 27, 2015 by and between the Bank and NWGB. Pursuant to the Agreement and Plan of Merger, NWGB was merged with and into the Bank, with the Bank as the surviving entity. Prior to the acquisition, NWGB operated six banking locations in Georgia and Tennessee. The acquisition of NWGB allowed the Company to further its strategic initiatives by expanding its geographic footprint into certain markets of Georgia and Tennessee. The Company acquired NWGB in a $1,500 cash purchase.

The Company recorded a bargain purchase gain of $2,794 and a core deposit intangible asset of $4,931. The fair value of the core deposit intangible is being amortized on a straight-line basis over the estimated useful life, of approximately 10 years at the time of acquisition.

For income tax purposes, the acquisition of NWGB was treated as an asset purchase. As an asset purchase for income tax purposes, the carrying value of assets and liabilities for NWGB are the same for both financial reporting and income tax purposes; therefore, no deferred taxes were recorded at the date of acquisition except for a $191 deferred tax liability recorded for the bargain purchase gain. Additionally, this treatment allows for the deductibility for income tax purposes of the core deposit intangible recorded for the NWGB merger over 15 years, net of the bargain purchase gain.

In connection with the transaction, the Company incurred $3,268 and $3,543 in merger and conversion expenses during the years ended December 31, 2016 and 2015, respectively.

118

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The following tables present the final estimated fair value of net assets acquired as of the September 18, 2015 acquisition date and the consideration paid and an allocation of the purchase price to net assets acquired:

	As of September 18, 2015
	As Recorded by FB Financial Corporation
Assets
Cash and cash equivalents	$	25,495
Investment securities		133,124
FHLB stock		1,154
Loans		78,565
Allowance for loan losses		-
Premises and equipment		15,343
Other real estate owned		5,002
Intangibles, net		4,931
Other assets		8,735
Total assets	$	272,349
Liabilities
Interest-bearing deposits	$	213,126
Non-interest bearing deposits		33,090
Borrowings		20,378
Accrued expenses and other liabilities		1,461
Total liabilities	$	268,055
Net assets acquired (excluding goodwill recognized)	$	4,294

Purchase price:
Cash Consideration paid	$	1,500
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets		4,294
Bargain purchase gain	$	2,794	(1)

(1) The bargain purchase gain resulting from the merger has been recognized in the Banking operating segment during the year ended December 31, 2015.

The following unaudited pro forma condensed consolidated financial information presents the results of operations for the year ended December 31, 2015 as though the acquisition had been completed as of January 1, 2014. The unaudited estimated pro forma information combines the historical results of NWGB with the Company’s historical consolidated results and includes certain adjustments reflecting the estimated impact of certain fair value adjustments for the periods presented. The pro forma information is not indicative of what would have occurred had the acquisition taken place on January 1, 2014 and does not include the effect of all cost-saving or revenue-enhancing strategies.

	Year Ended December 31, 2015
Net interest income	$	102,290
Total revenues	$	191,002
Net income	$	46,042

Note (3)—Cash and cash equivalents concentrations:

As of December 31, 2017 and 2016, the Bank and its subsidiaries had concentrations of credit risk with financial institutions in the form of correspondent bank accounts which are included in cash and cash equivalents and interest bearing deposits. Correspondent bank balances are maintained for check clearing and other services.

119

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The Bank had amounts due from their correspondent institutions at December 31, 2017 and 2016, as follows:

Bank Name	2017		2016
First Tennessee Bank, N.A.	$	2,477	$	26,381
Federal Reserve Bank of Atlanta		22,103		61,623
JP Morgan Chase Bank, N.A.		3,138		2,272
Federal Home Loan Bank of Cincinnati		1,489		11,409
Fifth Third Bank		1,558		1,598
BBVA Compass		1,065		987
Zions Bank, N.A.		500		501
Servis First Bank		350		350
SunTrust Bank		230		232
PNC Bank, N.A.		211		213
First National Bankers Bank		200		200
US Bank, N.A.		98		—
Wells Fargo Bank, N.A.		88		—
Alostar Bank of Commerce		538		—
Synovus Bank		291		1,062
	$	34,336	$	106,828

Interest is earned on balances at the Federal Reserve Bank and at the Federal Home Loan Bank.

Note (4)—Investment securities:

The amortized cost of securities and their fair values at December 31, 2017 and 2016 are shown below:

	December 31, 2017
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Securities Available-for-Sale
Debt securities
U.S. government agency securities	$	999	$	—	$	(13	)	$	986
Mortgage-backed securities - residential		425,557		374		(7,150	)		418,781
Municipals, tax exempt		107,127		2,692		(568	)		109,251
Treasury securities		7,345		—		(93	)		7,252
Total debt securities		541,028		3,066		(7,824	)		536,270
Equity securities		7,870		1		(149	)		7,722
Total securities available-for-sale	$	548,898	$	3,067	$	(7,973	)	$	543,992

	December 31, 2016
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Securities Available-for-Sale
Debt securities
U.S. government agency securities	$	998	$	—	$	(13	)	$	985
Mortgage-backed securities - residential		450,874		939		(7,905	)		443,908
Municipals, tax exempt		116,034		3,003		(2,114	)		116,923
Treasury securities		11,809		—		(52	)		11,757
Total debt securities		579,715		3,942		(10,084	)		573,573
Equity securities		8,744		1		(135	)		8,610
Total securities available-for-sale	$	588,459	$	3,943	$	(10,219	)	$	582,183

120

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Securities pledged at December 31, 2017 and 2016 had a carrying amount of $337,604 and $390,814, respectively, and were pledged to secure Federal Home Loan Bank advances, a Federal Reserve Bank line of credit, public deposits and repurchase agreements.

The amortized cost and fair value of debt securities by contractual maturity at December 31, 2017 and 2016 are shown below. Maturities may differ from contractual maturities in mortgage-backed securities because the mortgage underlying the security may be called or repaid without any penalties. Therefore, mortgage-backed securities are not included in the maturity categories in the following maturity summary.

	Year Ended December 31,
	2017				2016
	Available-for-sale				Available-for-sale
	Amortized cost		Fair value		Amortized cost		Fair value
Due in one year or less	$	905	$	925	$	9,290	$	9,352
Due in one to five years		28,332		28,878		25,520		26,340
Due in five to ten years		19,218		19,588		31,122		32,248
Due in over ten years		67,016		68,098		62,909		61,725
		115,471		117,489		128,841		129,665
Mortgage-backed securities - residential		425,557		418,781		450,874		443,908
Total debt securities	$	541,028	$	536,270	$	579,715	$	573,573

Sales of available-for-sale securities were as follows:

	Year Ended December 31,
	2017		2016
Proceeds from sales	$	94,743	$	271,148
Gross realized gains		1,277		4,755
Gross realized losses		48		348
Other-than-temporary-impairment	945			—

The Company also recognized $1 on gains related to the early call of available for sale securities during the year ended December 31, 2017.

The following tables show gross unrealized losses at December 31, 2017 and 2016, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	December 31, 2017
	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized loss
U.S. government agency securities	$	—	$	—	$	986	$	13	$	986	$	13
Mortgage-backed securities - residential		107,611		980		290,258		6,170		397,869		7,150
Municipals, tax exempt		7,354		101		20,112		467		27,466		568
Treasury securities		7,252		93		—		—		7,252	$	93
Total debt securities		122,217		1,174		311,356		6,650		433,573		7,824
Equity securities		—		—		3,050		149		3,050		149
	$	122,217	$	1,174	$	314,406	$	6,799	$	436,623	$	7,973

121

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

	December 31, 2016
	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized loss
U.S. government agency securities	$	985	$	13	$	—	$	—	$	985	$	13
Mortgage-backed securities - residential		390,595		7,230		19,073		675		409,668		7,905
Municipals, tax exempt		43,132		2,114		—		—		43,132		2,114
Treasury securities		10,256		52		—		—		10,256		52
Total debt securities		444,968		9,409		19,073		675		464,041		10,084
Equity securities		—		—		3,126		135		3,126		135
	$	444,968	$	9,409	$	22,199	$	810	$	467,167	$	10,219

As of December 31, 2017 and 2016, the Company’s securities portfolio consisted of 294 and 329 securities, 124 and 151 of which were in an unrealized loss position, respectively.

The Company evaluates securities with unrealized losses for other-than-temporary impairment (OTTI) on a quarterly basis. Impairment is assessed at the individual security level. The Company considers an investment security impaired if the fair value of the security is less than its cost or amortized cost basis. For debt securities, the unrealized losses associated with these investment securities are primarily driven by interest rates and are not due to the credit quality of the securities. The Company currently does not intend to sell those investments with unrealized losses, and it is unlikely that the Company will be required to sell the investments before recovery of their amortized cost bases, which may be maturity.

When impairment of an equity security is considered to be other-than-temporary, the security is written down to its fair value and an impairment loss is recorded as a loss within noninterest income. The Company evaluated the near-term prospects of the equity investments in relation to the severity and duration of the impairment. Based on that evaluation, the Company concluded that it was probable that there had been adverse cash flows for one of the equity investments held. Additionally, the Company does not intend to hold the security long-term and it is unlikely the fair value would be recovered. Credit impairment losses of $945 and $0 was recognized during the years ended December 31, 2017 and 2016, respectively. Changes in the amount of credit related losses recognized in earnings for which OTTI has been recognized are as follows:

Balance as of January 1, 2017	$	—
Additions related to credit losses for which OTTI was not previously recognized		(945	)
Reductions for securities sold during the period		—
Reductions for securities where there is an intent to sell or requirement to sell		—
Increases in credit loss for which OTTI was previously recognized		—
Reductions for increases in cash flows expected to be collected		—
Balance as of December 31, 2017	$	(945	)

122

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (5)—Loans and allowance for loan losses:

Loans outstanding at December 31, 2017 and 2016, by major lending classification are as follows:

	December 31,
	2017			2016
Commercial and industrial	$	715,075		$	386,233
Construction		448,326			245,905
Residential real estate:
1-to-4 family mortgage		480,989			294,924
Residential line of credit		194,986			177,190
Multi-family mortgage		62,374			44,977
Commercial real estate:
Owner occupied		495,872			357,346
Non-owner occupied		551,588			267,902
Consumer and other		217,701			74,307
Gross loans		3,166,911			1,848,784
Less: Allowance for loan losses		(24,041	)		(21,747	)
Net loans	$	3,142,870		$	1,827,037

As of December 31, 2017 and 2016, $968,567 and $565,717, respectively, of 1-to-4 family and multifamily mortgage loans and loans held for sale were pledged to the Federal Home Loan Bank of Cincinnati securing advances against the Bank’s line. As of December 31, 2017 and 2016, $724,312 and $1,072,118, respectively, of commercial and industrial , construction, residential, real estate, commercial real estate, and consumer and other loans were pledged to the Federal Reserve under the Borrower-in-Custody program.

As of December 31, 2017 and 2016, the carrying value of purchased credit impaired loans (“PCI”) loans accounted for under ASC 310-30 Loans and Debt Securities Acquired with Deteriorated Credit Quality, were $88,835and $16,058, respectively. The following table presents changes in the value of the accretable yield for PCI loans for the periods indicated.

	Year Ended
	December 31,
	2017			2016			2015
Balance at December 31, 2016	$	(2,444	)	$	(1,637	)	$	—
Additions through the acquisition of the Clayton    Banks		(18,868	)		—			(1,991	)
Principal reductions and other reclassifications from nonaccretable difference		(1,841	)		(3,438	)		(100	)
Recoveries		(23	)		—			—
Accretion		5,299			2,631			454
Other changes		195			—			—
Balance at December 31, 2017	$	(17,682	)	$	(2,444	)	$	(1,637	)

123

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The following provides the allowance for loan losses by portfolio segment and the related investment in loans net of unearned interest for the years December 31, 2017, 2016 and 2015:

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage			Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2017
Beginning balance -    December 31, 2016	$	5,309		$	4,940		$	3,197		$	1,613		$	504		$	3,302		$	2,019		$	863		$	21,747
Provision for loan losses		(2,158	)		1,138			41			(788	)		(70	)		483			(848	)		1,252			(950	)
Recoveries of loans    previously charged-off		1,894			1,084			159			395			—			61			1,646			532			5,771
Loans charged off		(584	)		(27	)		(200	)		(276	)		—			(288	)		—			(1,152	)		(2,527	)
Ending balance -    December 31, 2017	$	4,461		$	7,135		$	3,197		$	944		$	434		$	3,558		$	2,817		$	1,495		$	24,041

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage		Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2016
Beginning balance - December 31, 2015	$	5,135		$	5,143		$	4,176		$	2,201		$	311	$	3,682		$	2,622		$	1,190		$	24,460
Provision for loan losses		212			(417	)		(882	)		(630	)		193		(271	)		(271	)		587			(1,479	)
Recoveries of loans    previously charged-off		524			216			127			174			—		140			195			240			1,616
Loans charged off		(562	)		(2	)		(224	)		(132	)		—		(249	)		(527	)		(1,154	)		(2,850	)
Ending balance -    December 31, 2016	$	5,309		$	4,940		$	3,197		$	1,613		$	504	$	3,302		$	2,019		$	863		$	21,747

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage		Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2015
Beginning balance -    December 31, 2014	$	6,600		$	3,721		$	6,364		$	2,790		$	184	$	6,075		$	2,641		$	655		$	29,030
Provision for loan losses		(624	)		149			(1,521	)		(645	)		127		(1,366	)		(307	)		1,123			(3,064	)
Recoveries of loans    previously charged-off		112			1,354			161			286			—		35			342			548			2,838
Loans charged off		(953	)		(81	)		(828	)		(230	)		—		(1,062	)		(54	)		(1,136	)		(4,344	)
Ending balance - December 31, 2015	$	5,135		$	5,143		$	4,176		$	2,201		$	311	$	3,682		$	2,622		$	1,190		$	24,460

The following table provides the allocation of the allowance for loan losses by loan category broken out between loans individually evaluated for impairment and loans collectively evaluated for impairment as of December 31, 2017, 2016 and 2015:

													December 31, 2017
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	20	$	—	$	18	$	—	$	—	$	120	$	33	$	—	$	191
Collectively evaluated for    impairment		4,441		7,135		3,179		944		434		3,438		2,784		1,495		23,850
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance -    December 31, 2017	$	4,461	$	7,135	$	3,197	$	944	$	434	$	3,558	$	2,817	$	1,495	$	24,041

124

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

													December 31, 2016
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	135	$	—	$	23	$	—	$	—	$	113	$	242	$	—	$	513
Collectively evaluated for    impairment		5,174		4,940		3,174		1,613		504		3,189		1,777		863		21,234
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance -    December 31, 2016	$	5,309	$	4,940	$	3,197	$	1,613	$	504	$	3,302	$	2,019	$	863	$	21,747

													December 31, 2015
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	89	$	5	$	66	$	—	$	—	$	74	$	739	$	—	$	973
Collectively evaluated for    impairment		5,046		5,138		4,110		2,201		311		3,608		1,883		1,190		23,487
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance-    December 31, 2015	$	5,135	$	5,143	$	4,176	$	2,201	$	311	$	3,682	$	2,622	$	1,190	$	24,460

The following table provides the amount of loans by loan category broken between loans individually evaluated for impairment and loans collectively evaluated for impairment as of December 31, 2017, 2016 and 2015:

													December 31, 2017
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated for    impairment	$	1,579	$	1,289	$	1,262	$	-	$	978	$	2,520	$	1,720	$	25	$	9,373
Collectively evaluated for    impairment		711,352		439,309		456,229		194,986		61,376		481,390		531,704		192,357		3,068,703
Acquired with deteriorated    credit quality		2,144		7,728		23,498		—		20		11,962		18,164		25,319		88,835
Ending balance -    December 31, 2017	$	715,075	$	448,326	$	480,989	$	194,986	$	62,374	$	495,872	$	551,588	$	217,701	$	3,166,911

													December 31, 2016
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated    for impairment	$	1,476	$	2,686	$	2,471	$	311	$	1,027	$	2,752	$	2,201	$	27	$	12,951
Collectively evaluated    for impairment		384,279		238,900		290,346		176,879		43,922		350,812		260,361		74,276		1,819,775
Acquired with deteriorated    credit quality		478		4,319		2,107		—		28		3,782		5,340		4		16,058
Ending balance -    December 31, 2016	$	386,233	$	245,905	$	294,924	$	177,190	$	44,977	$	357,346	$	267,902	$	74,307	$	1,848,784

125

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

													December 31, 2015
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated    for impairment	$	1,499	$	2,866	$	3,686	$	—	$	1,074	$	3,000	$	3,451	$	—	$	15,576
Collectively evaluated    for impairment		316,418		228,445		284,190		171,526		58,400		329,569		198,741		77,623		1,664,912
Acquired with deteriorated    credit quality		874		6,859		2,828		—		36		5,095		5,679		4		21,375
Ending balance-    December 31, 2015	$	318,791	$	238,170	$	290,704	$	171,526	$	59,510	$	337,664	$	207,871	$	77,627	$	1,701,863

126

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. The Company analyzes loans individually by classifying the loans as to credit risk. The Company uses the following definitions for risk ratings:

Watch.    Loans rated as watch includes loans in which management believes conditions have occurred, or may occur, which could result in the loan being downgraded to a worse rated category. Also included in watch are loans rated as special mention, which have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution’s credit position at some future date.

Substandard.    Loans rated as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, in any. Loans so rated have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected. Also included in this category are loans considered doubtful, which have all the weaknesses previously described and management believes those weaknesses may make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

Loans not meeting the criteria above are considered to be pass rated loans.

The following table shows credit quality indicators by portfolio class at December 31, 2017 and 2016:

December 31, 2017	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	657,595	$	50,946	$	4,390	$	712,931
Construction		431,242		7,388		1,968		440,598
Residential real estate:
1-to-4 family mortgage		440,202		9,522		7,767		457,491
Residential line of credit		192,427		1,184		1,375		194,986
Multi-family mortgage		61,234		142		978		62,354
Commercial real estate:
Owner occupied		451,140		28,308		4,462		483,910
Non-owner occupied		517,253		14,199		1,972		533,424
Consumer and other		189,081		2,712		589		192,382
Total loans, excluding purchased credit impaired    loans	$	2,940,174	$	114,401	$	23,501	$	3,078,076
Purchased credit impaired loans
Commercial and industrial	$	—	$	1,499	$	645	$	2,144
Construction		—		3,324		4,404		7,728
Residential real estate:
1-to-4 family mortgage		—		20,284		3,214		23,498
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		20		20
Commercial real estate:
Owner occupied		—		4,631		7,331		11,962
Non-owner occupied		—		7,359		10,805		18,164
Consumer and other		—		19,751		5,568		25,319
Total purchased credit impaired loans	$	—	$	56,848	$	31,987	$	88,835
Total loans	$	2,940,174	$	171,249	$	55,488	$	3,166,911

127

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

December 31, 2016	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	351,046	$	31,074	$	3,635	$	385,755
Construction		236,588		4,612		386		241,586
Residential real estate:
1-to-4 family mortgage		277,948		6,945		7,924		292,817
Residential line of credit		173,011		1,875		2,304		177,190
Multi-family mortgage		43,770		152		1,027		44,949
Commercial real estate:
Owner occupied		338,698		10,459		4,407		353,564
Non-owner occupied		249,877		10,273		2,412		262,562
Consumer and other		73,454		417		432		74,303
Total loans, excluding purchased credit impaired    loans	$	1,744,392	$	65,807	$	22,527	$	1,832,726
Purchased credit impaired loans
Commercial and industrial	$	—	$	—	$	478	$	478
Construction		—		—		4,319		4,319
Residential real estate:
1-to-4 family mortgage		—		—		2,107		2,107
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		28		28
Commercial real estate:
Owner occupied		—		—		3,782		3,782
Non-owner occupied		—		—		5,340		5,340
Consumer and other		—		—		4		4
Total purchased credit impaired loans	$	—	$	—	$	16,058	$	16,058
Total loans	$	1,744,392	$	65,807	$	38,585	$	1,848,784

Nonperforming loans include loans that are no longer accruing interest (nonaccrual loans) and loans past due ninety or more days and still accruing interest. Nonperforming loans and impaired loans are defined differently. Some loans may be included in both categories, whereas other loans may only be included in one category.

PCI loans are considered past due or delinquent when the contractual principal or interest due in accordance with the terms of the loan agreement remains unpaid after the due date of the scheduled payment. However, these loans are considered to be performing, even though they may be contractually past due, as any non-payment of contractual principal or interest is considered in the periodic re-estimation of expected cash flows and is included in the resulting recognition of current period covered loan loss provision or future period yield adjustments. The accrual of interest is discontinued on PCI loans if management can no longer reliably estimate future cash flows on the loan. No PCI loans were classified as nonaccrual at December 31, 2017 or December 31, 2016 as the carrying value of the respective loan or pool of loans cash flows were considered estimable and probable of collection. Therefore, interest revenue, through accretion of the difference between the carrying value of the loans and the expected cash flows, is being recognized on all PCI loans. Accretion of interest income amounting to $5,299, $2,631 and $454 was recognized on purchased credit impaired loans during the years ended December 31, 2017, 2016 and 2015, respectively. This includes both the contractual interest income and the purchase accounting contribution through accretion of the liquidity discount and credit mark for changes in estimated cash flows. The total purchase accounting contribution through accretion excluding contractual interest collected for all purchased loans was $5,419, 3,538 and $493 for the years ended December 31, 2017, 2016 and 2015, respectively.

128

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The following table provides the period-end amounts of loans that are past due thirty to eighty-nine days, past due ninety or more days and still accruing interest, loans not accruing interest and loans current on payments accruing interest by category at December 31, 2017 and 2016:

December 31, 2017	30-89 days past due		90 days or more and accruing interest		Non-accrual loans		Loans current on payments and accruing interest		Purchased Credit Impaired loans		Total
Commercial and industrial	$	5,859	$	90	$	533	$	706,449	$	2,144	$	715,075
Construction		1,412		241		300		438,645		7,728		448,326
Residential real estate:
1-to-4 family mortgage		4,678		956		2,548		449,309		23,498		480,989
Residential line of credit		527		134		699		193,626		—		194,986
Multi-family mortgage		—		—		—		62,354		20		62,374
Commercial real estate:
Owner occupied		521		358		2,582		480,449		11,962		495,872
Non-owner occupied		121		—		1,371		531,932		18,164		551,588
Consumer and other		1,945		217		68		190,152		25,319		217,701
Total	$	15,063	$	1,996	$	8,101	$	3,052,916	$	88,835	$	3,166,911

December 31, 2016	30-89 days past due		90 days or more and accruing interest		Non-accrual loans		Loans current on payments and accruing interest		Purchased Credit Impaired loans		Total
Commercial and industrial	$	262	$	127	$	1,297	$	384,069	$	478	$	386,233
Construction		441		17		254		240,874		4,319		245,905
Residential real estate:
1-to-4 family mortgage		3,130		697		2,289		286,701		2,107		294,924
Residential line of credit		1,139		433		601		175,017		—		177,190
Multi-family mortgage		—		—		—		44,949		28		44,977
Commercial real estate:
Owner occupied		186		—		2,007		351,371		3,782		357,346
Non-owner occupied		158		—		2,251		260,153		5,340		267,902
Consumer and other		433		55		30		73,785		4		74,307
Total	$	5,749	$	1,329	$	8,729	$	1,816,919	$	16,058	$	1,848,784

129

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Impaired loans recognized in conformity with ASC 310 at December 31, 2017 and 2016, segregated by class, were as follows:  

December 31, 2017	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	53	$	53	$	20
Construction		—		—		—
Residential real estate:
1-to-4 family mortgage		194		495		18
Residential line of credit		—		—		—
Multi-family mortgage		—		—		—
Commercial  real estate:
Owner occupied		844		1,123		120
Non-owner occupied		144		150		33
Total	$	1,235	$	1,821	$	191
With no related allowance recorded
Commercial and industrial	$	1,526	$	1,570	$	—
Construction		1,289		1,313		—
Residential real estate:
1-to-4 family mortgage		1,068		1,072		—
Residential line of credit		—		—		—
Multi-family mortgage		978		978		—
Commercial  real estate:
Owner occupied		1,676		2,168		—
Non-owner occupied		1,576		2,325		—
Consumer and other		25		25		—
Total	$	8,138	$	9,451	$	—
Total impaired loans	$	9,373	$	11,272	$	191

130

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

December 31, 2016	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	854	$	854	$	135
Construction		—		—		—
Residential real estate:
1-to-4 family mortgage		103		369		23
Residential line of credit		—		—		—
Multi-family mortgage		—		—		—
Commercial  real estate:
Owner occupied		635		654		113
Non-owner occupied		1,151		1,678		242
Consumer and other		1		1		—
Total	$	2,744	$	3,556	$	513
With no related allowance recorded:
Commercial and industrial	$	622	$	746	$	—
Construction		2,686		2,694		—
Residential real estate:
1-to-4 family mortgage		2,368		2,370		—
Residential line of credit		311		321		—
Multi-family mortgage		1,027		1,027		—
Commercial  real estate:
Owner occupied		2,117		3,205		—
Non-owner occupied		1,050		1,781		—
Consumer and other		26		26		—
Total	$	10,207	$	12,170	$	—
Total impaired loans	$	12,951	$	15,726	$	513

131

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

	December 31,
	2017				2016				2015
	Average recorded investment		Interest income recognized (cash basis)		Average recorded investment		Interest income recognized (cash basis)		Average recorded investment		Interest income recognized (cash basis)
With a related allowance recorded:
Commercial and industrial	$	454	$	2	$	994	$	17	$	1,269	$	22
Construction		—		—		154		—		517		3
Residential real estate:
1-to-4 family mortgage		149		9		1,750		1		2,345		199
Residential line of credit		—		—		—		—		—		—
Multi-family mortgage		—		—		—		—		468		—
Commercial real estate:
Owner occupied		740		48		1,756		25		1,938		95
Non-owner occupied		648		5		1,777		—		3,039		—
Consumer and other		1		—		1		—		—		—
Total	$	1,992	$	64	$	6,432	$	43	$	9,576	$	319
With no related allowance recorded
Commercial and industrial	$	1,074	$	38	$	494	$	20	$	660	$	—
Construction		1,988		46		2,622		132		4,337		127
Residential real estate:
1-to-4 family mortgage		1,718		63		1,329		137		2,815		7
Residential line of credit		156		—		156		10		—		—
Multi-family mortgage		1,003		46		1,051		37		652		25
Commercial real estate:
Owner occupied		1,897		122		1,120		119		788		—
Non-owner occupied		1,313		19		1,050		—		855		—
Consumer and other		26		1		13		—		—		—
Total	$	9,173	$	335	$	7,835	$	455	$	10,107	$	159
Total impaired loans	$	11,164	$	399	$	14,267	$	498	$	19,683	$	478

As of December 31, 2017 and 2016, the Company has a recorded investment in troubled debt restructurings of $8,604 and $8,802, respectively. The modifications included extensions of the maturity date and/or a stated rate of interest to one lower than the current market rate. The Company has allocated $172 and $402 of specific reserves for those loans at December 31, 2017 and 2016, respectively, and has committed to lend additional amounts totaling up to $2 and $1, respectively to these customers. Of these loans, $3,205 and $4,265 were classified as non-accrual loans as of December 31, 2017 and 2016.

The following table presents the financial effect of TDRs recorded during the periods indicated:

Year Ended December 31, 2017	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	2	$	627	$	627	$	—
Commercial real estate:
Owner occupied	1		377		377		—
Non-owner occupied	2		711		711		68
Residential real estate:
1-to-4 family mortgage	1		143		143		8
Consumer and other	1		25		25		—
Total	7	$	1,883	$	1,883	$	76

132

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Year Ended December 31, 2016	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial real estate:
Owner occupied	1	$	118	$	118	$	—
Residential real estate:
1-4 family mortgage	5		1,819		1,819		—
Consumer and other	3		29		29		—
Total	9	$	1,966	$	1,966	$	—

Year ended December 31, 2015	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	6	$	2,301	$	2,301	$	86
Commercial real estate:
Owner occupied	4		786		786		—
Non-owner occupied	1		133		133		1
Residential real estate:
1-4 family mortgage	5		326		326		45
Total	16	$	3,546	$	3,546	$	132

There were no loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the year ended December 31, 2017 or 2016. The following presents loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the year ended December 31, 2015:

	Defaulted		Charge-offs and specific reserves
Residential real estate:
1-to-4 family mortgage	$	145	$	45
Total	$	145	$	45

A loan is considered to be in payment default once it is 90 days contractually past due under the modified terms.

The terms of certain other loans were modified during the years ended December 31, 2017, 2016 and 2015 that did not meet the definition of a troubled debt restructuring. The modification of these loans involved either a modification of the terms of a loan to borrowers who were not experiencing financial difficulties or a delay in a payment that was considered to be insignificant.

In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed of the probability that the borrower will be in payment default on any of its debt in the foreseeable future without the modification. This evaluation is performed under the company’s internal underwriting policy.

133

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (6)—Premises and equipment:

Premises and equipment and related accumulated depreciation as of December 31, 2017 and 2016, are as follows:

	2017			2016
Land	$	22,108		$	18,698
Premises		57,719			44,301
Furniture and fixtures		22,292			21,700
Leasehold improvements		10,740			10,515
Equipment		12,525			11,583
Construction in process		1,496			867
		126,880			107,664
Less: accumulated depreciation		(45,303	)		(41,013	)
Total Premises and Equipment	$	81,577		$	66,651

Depreciation expense was $4,316, $3,995 and $3,283 for the years ended December 31, 2017, 2016 and 2015, respectively.

Note (7)—Other real estate owned:

Other real estate owned (“OREO”) includes property acquired through foreclosure proceedings in addition to excess land and facilities held for sale. OREO is carried at fair value less estimated cost to sell the property. The following table summarizes the other real estate owned for the years ended December 31, 2017, 2016 and 2015:

	Year Ended
	December 31,
	2017			2016			2015
Balance at beginning of period	$	7,403		$	11,641		$	7,259
Transfers from loans		3,605			2,724			4,085
Transfers from premises and equipment		3,466			—
Capital improvements		—			—			171
Acquired through merger or acquisition		6,888			—			5,002
Properties sold		(5,438	)		(6,696	)		(3,774	)
Gain on sale of other real estate owned		1,080			1,670			187
Transferred to loans		(256	)		(1,548	)		(785	)
Write-downs and partial liquidations		(306	)		(388	)		(504	)
Balance at end of period	$	16,442		$	7,403		$	11,641

Foreclosed residential real estate properties included in the table above totaled $3,631 and $2,143 as of December 31, 2017 and 2016, respectively. The recorded investment in residential mortgage loans secured by residential real estate properties for which foreclosure proceedings are in process totaled $19 and $96 at December 31, 2017 and 2016, respectively.

During the year ended December 31, 2017, the Company acquired $6,888 in other real estate owned through the merger with the Clayton Banks, including $4,147 in excess land and facilities held for sale. During the fourth quarter of 2017, the Company consolidated an additional five branch locations and transferred an additional $3,466 of excess land and facilities into other real estate owned as held for sale.

134

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (8)—Goodwill and intangible assets:

The following table summarizes changes in goodwill during the year ended December 31, 2017. There was no such activity during the year ended December 31, 2016.

	Goodwill
Balance at December 31, 2016	$	46,867
Addition from merger with Clayton Banks (see Note 2)		90,323
Balance at December 31, 2017	$	137,190

Goodwill is tested annually, or more often if circumstances warrant, for impairment. If the implied fair value of goodwill is lower than its carrying amount, goodwill impairment is indicated and is written down to its implied fair value. Subsequent increases in goodwill values are not recognized in the financial statements. Goodwill impairment was neither indicated nor recorded during the year ended December 31, 2017 or the year ended December 31, 2016.

On July 31, 2017, the Company recorded $9,060 of core deposit intangibles resulting from the merger with the Clayton Banks, which is being amortized over a weighted average life of approximately 3 years.  Additionally, the Company recognized identifiable intangible assets related to favorable lease terms of $587, customer base trust intangible of $1,600, and manufactured housing servicing intangible of $1,088 as a result of the Clayton Banks acquisition.  The following intangibles are being amortized over estimated lives of 6.5 years, 10 years, and 5 years respectively.

Core deposit and other intangibles are as follows as of the indicated dates:

	Core deposit and other intangibles
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
December 31, 2017
Core deposit intangible	$	38,915	$	(27,121	)	$	11,794
Leasehold intangible		587		(38	)		549
Customer base trust intangible		1,600		(67	)		1,533
Manufactured housing servicing intangible		1,088		(62	)		1,026
Total core deposit and other intangibles	$	42,190	$	(27,288	)	$	14,902
December 31, 2016
Core deposit intangible	$	29,855	$	(25,292	)	$	4,563
December 31, 2015
Core deposit intangible	$	29,855	$	(23,160	)	$	6,695

The estimated aggregate amortization expense of core deposit and other intangibles for each of the next five years and thereafter is as follows:

December 31, 2018	$	3,275
December 31, 2019		2,866
December 31, 2020		2,476
December 31, 2021		2,090
December 31, 2022		1,609
Thereafter		2,586
	$	14,902

135

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (9)—Mortgage servicing rights:

Changes in the Company’s mortgage servicing rights were as follows for years ended December 31, 2017, 2016 and 2015:

	Year Ended December 31,
		2017			2016			2015
Carrying value prior to policy change	$	32,070		$	29,711		$	6,032
Fair value impact of change in accounting policy (See    Note 1)		1,011			—			—
Carrying value at beginning of period		33,081			29,711			6,032
Capitalization		58,984			46,070			26,474
Amortization		—			(8,321	)		(2,601	)
Sales		(11,686	)		(34,118	)		—
(Loss) gain on sale		(249	)		3,406			—
Impairment		—			(4,678	)		(194	)
Change in fair value:
Due to pay-offs/pay-downs		(3,104	)		—			—
Due to change in valuation inputs or assumptions		(919	)		—			—
Carrying value at December 31	$	76,107		$	32,070		$	29,711

The following table summarizes servicing income and expense included in mortgage banking income and other noninterest expense within the Mortgage Segment operating results, respectively, for the years ended December 31, 2017, 2016 and 2015, respectively:

	Year Ended December 31,
		2017			2016			2015
Servicing income:
Servicing income	$	13,168		$	12,063		$	3,614
Change in fair value of mortgage servicing rights		(4,023	)		—
Change in fair value of derivative hedging instruments		599			—			—
Total servicing income		9,744			12,063			3,614
Servicing expenses:
Servicing asset amortization		—			8,321			2,601
Servicing asset impairment		—			4,678			194
Loss on sale of mortgage servicing rights and related hedges and     transaction costs on sale		249			4,447			—
Other servicing expenses		4,896			2,325			633
Total servicing expenses		5,145			19,771			3,428
Net servicing income (loss)	$	4,599		$	(7,708	)	$	186

Data and key economic assumptions related to the Company’s mortgage servicing rights as of December 31, 2017 and 2016 are as follows:

	As of December 31,
		2017			2016
Unpaid principal balance	$	6,529,431		$	2,833,958
Weighted-average prepayment speed (CPR)		8.90	%		8.40	%
Estimated impact on fair value of a 10% increase		(3,026	)		(1,256	)
Estimated impact on fair value of a 20% increase		(5,855	)		(2,434	)
Discount rate		9.75	%		9.54	%
Estimated impact on fair value of a 100 bp increase		(3,052	)		(1,394	)
Estimated impact on fair value of a 200 bp increase		(5,867	)		(2,679	)
Weighted-average coupon interest rate		3.94	%		3.59	%
Weighted-average servicing fee (basis points)		28			27
Weighted-average remaining maturity (in months)		335			328

136

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

From time to time, the Company enters agreements to sell certain tranches of mortgage servicing rights. Upon consummation of the sale, the Company continues to subservice the underlying mortgage loans until they can be transferred to the purchaser. During the years ended December 31, 2017 and 2016, the Company sold $11,686 and $34,118 of mortgage servicing rights on $1,086,465 and $3,370,395of serviced mortgage loans, respectively. As of December 31, 2017 and 2016, there were $0and $3,332,903, respectively, of loans being serviced that related to bulk sale of mortgage servicing rights.

During the second quarter of 2017, the Company began hedging the mortgage servicing rights portfolio with various derivative instruments to offset changes in the fair value of the related mortgage servicing rights. As of December 31, 2017, the MSR asset was fully hedged with respect to changes in the underlying interest rates (see Note 18).

Note (10)—Other assets and other liabilities:

Included in other assets are:

	As of December 31,
Other assets	2017		2016
Cash surrender value on bank owned life insurance	$	10,873	$	10,556
Prepaid expenses		2,477		2,245
Software		1,962		2,296
Mortgage lending receivable		3,176		24
Derivatives		9,690		19,745
Other assets		16,038		16,488
Total other assets	$	44,216	$	51,354

Included in other liabilities are:

	As of December 31,
Other liabilities	2017		2016
Deferred compensation	$	5,301	$	6,710
Accrued payroll		11,018		5,987
Mortgage servicing escrows		3,341		1,079
Mortgage buyback reserve		3,386		2,659
Accrued interest		1,504		632
Derivatives		1,699		586
Deferred tax liability (See Note 15)		11,858		4,180
Right to repurchase GNMA loans serviced (See Note 1)		43,035		—
Other liabilities		37,852		36,535
Total other liabilities	$	118,994	$	58,368

Note (11)—Deposits:

The aggregate amount of time deposits with a minimum denomination greater than $250 was $176,837 and $60,124 at December 31, 2017 and 2016, respectively.

At December 31, 2017, the scheduled maturities of time deposits are as follows:

Scheduled maturities of time deposits
Due on or before:
December 31, 2018	$	432,030
December 31, 2019		139,398
December 31, 2020		56,719
December 31, 2021		32,893
December 31, 2022		24,075
Thereafter		3,214
Total	$	688,329

137

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (12)—Securities sold under agreements to repurchase:

Securities sold under agreements to repurchase are secured by mortgage-backed securities with a carrying amount of $14,293 and $21,561 at December 31, 2017 and 2016, respectively.

Securities sold under agreements to repurchase are financing arrangements that mature daily. Information concerning securities sold under agreements to repurchase is summarized as follows:

	2017			2016
Balance at year end	$	14,293		$	21,561
Average daily balance during the year		16,326			60,331
Average interest rate during the year		0.17	%		0.11	%
Maximum month-end balance during the year		19,432			115,005
Weighted average interest rate at year-end		0.16	%		0.17	%

Note (13)—Short-term borrowings:

The Bank currently has available from correspondent banks borrowings capacity in the form of federal fund purchases. The line with First Tennessee Bank, N.A. is for $30,000 as of December 31, 2017 and 2016 and the line with BBVA Compass Bank is for $10,000 as of December 31, 2017 and 2016. Each of these lines may be drawn for fourteen consecutive days. As of December 31, 2017 and 2016 there were no borrowings against these lines.

The line with SunTrust Bank is for $15,000 and may be drawn for seven consecutive days before collateral is required. Borrowings that exceed seven days must be secured by a marketable security with a current value of at least 125% of the outstanding balance. As of December 31, 2017 and 2016, there were no borrowings against this line.

The line with First National Banker’s Bank is for $10,000 and may be drawn for thirty days before collateral is required. The line with Zions Bank is for $25,000. The line with PNC Bank is for $20,000. The line with ServisFirst Bank is for $15,000. As of December 31, 2017 and 2016, there were no borrowings against these lines.

The line with Federal Home Loan Bank is for $300,000 as of December 31, 2017 and 2016, respectively, and is secured by qualifying mortgage loans and investment securities. At December 31, 2017 and 2016, the Company had pledged investments securities of $0 and $60,371 and loans of $968,567 and $565,718, securing borrowings against this line of $190,000 and $150,000 as of December 31, 2017 and 2016, respectively.

The Company maintained a line with the Federal Reserve Bank through the Borrower-in-Custody program in 2017 and 2016.  As of December 31, 2017 and 2016, $737,856 and $1,072,118 of qualifying loans and $13,544 and $0 of investment securities were pledged to the Federal Reserve Bank through the Borrower-in-Custody program securing a line of credit of $529,547 and $765,107.

Note (14)—Long-term debt:

As of December 31, 2015 the Company had three subordinated notes payable with the shareholder of the Company for $775, $3,300 and $6,000. On September 21, 2016 these notes were paid off in full with proceeds from the initial public offering.

The Bank had a total borrowing capacity of $671,461 and $476,562 at the Federal Home Loan Bank of Cincinnati at December 31, 2017 and 2016, respectively. The terms of the borrowings were subject to market rates at the time of the advances and contain maturities of one to twelve years. Advances from this line are secured by qualifying loans of $968,567 and $565,718 and investment securities of $0 and $60,371 at December 31, 2017 and 2016, respectively.

The Bank had $112,372 of fixed rate borrowings with the FHLB at a weighted average rate of 1.45% outstanding at December 31, 2017. At December 31, 2016 the Bank had $13,962 of fixed rate borrowings at a weighted average rate of 3.02% outstanding. This includes $100,000 borrowed in the third quarter of 2017 as part of the funding strategy of the merger with the Clayton Banks. The advances mature and reprice every 90 days. The Company also entered into three corresponding interest rate swaps to hedge.  

138

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

In 2003, two separate trusts formed by the Company issued $9,000 of floating rate trust preferred securities (“Trust I”) and $21,000 of floating rate trust preferred securities (“Trust II”), respectively, as part of a pooled offering of such securities. The Company issued junior subordinated debentures of $9,280, which included proceeds of common securities purchased by the Company of $280, and junior subordinated debentures of $21,650, which included proceeds of common securities of $650. Both issuances were to the trusts in exchange for the proceeds of the securities offerings, which represent the sole asset of the trusts. Trust I pays interest quarterly based upon the 3-month LIBOR plus 3.25%. Trust II pays interest quarterly based upon the 3-month LIBOR plus 3.15%. Rates for the two issues at December 31, 2017, were 4.59% and 4.82%, respectively.  Rates for the two issues at December 31, 2016, were 4.25% and 4.15%, respectively. The Company may redeem the first junior subordinated debenture listed, in whole or in part, on any distribution payment date within 120 days of the occurrence of a special event, at the redemption price. The Company may redeem the second junior subordinated debentures listed, in whole or in part, any time after June 26, 2008, on any distribution payment date, at the redemption price. The junior subordinated debentures must be redeemed no later than 2033. During the year ended December 31, 2017, the Company began hedging interest rate exposure related to the subordinated debentures through interest rate swaps designated as cash flow hedges (see Note 18).  

Maturities of long-term debt as of December 31, 2017 are as follows:

	FHLB			Junior Subordinated debt		Total
Due on or before:
December 31, 2018	$	109,712	(1)	$	—	$	109,712	(1)
December 31, 2019		224			—		224
December 31, 2020		131			—		131
December 31, 2021		418			—		418
December 31, 2022		890			—		890
Due thereafter		997			30,930		31,927
Total	$	112,372		$	30,930	$	143,302

(1) Includes $100,000 of advances with 90 day fixed rate repricing terms that are being hedged with interest rate swaps maturing in 2020, 2021, and 2022 in increments of $30,000, $35,000 and $35,000, respectively. As such, these advances are classified as long-term debt on the consolidated balance sheets.

Note (15)—Income taxes:

In connection with the initial public offering, as discussed in Note 1, the Company terminated its S-corporation status and became a taxable entity (“C corporation”) on September 16, 2016. As such, any periods prior to September 16, 2016 will only reflect an effective state income tax rate. The reported income tax expense for the year ended December 31, 2016 reflects the increase in the deferred tax net liability of $13,181 from the conversion in the taxable status. The deferred tax net liability is the result of timing differences in the recognition of income/deductions for generally accepted accounting principles (“GAAP”) and tax purposes. The consolidated statements of income present unaudited pro forma statements of income for the year to date and for prior year periods.

Allocation of federal and state income taxes between current and deferred portions is as follows:

	December 31,
	2017		2016		2015
Current	$	14,629	$	12,476	$	1,321
Deferred		6,458		9,257		1,647
Total	$	21,087	$	21,733	$	2,968

139

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The reconciliation of income taxes computed at the United States federal statutory tax rates to the provision for income taxes is as follows, for the periods presented:

	December 31,
	2017			2016			2015
Federal taxes calculated at statutory rate	$	25,720		$	5,061		$	—
Increase (decrease) resulting from:
State taxes, net of federal benefit		3,053			3,664			2,956
Revaluation of net deferred tax liability as a result of the Tax    Cuts and Jobs Act		(5,894	)		—			—
Conversion as of September 16, 2016 to C Corporation		—			13,181			—
Benefit of equity based compensation		(310	)		(786	)		—
Permanent items		(1,402	)		(633	)		12
Other		(80	)		1,246			—
Income tax expense, as reported	$	21,087		$	21,733		$	2,968

The components of the net deferred tax liability at December 31, 2017 and 2016, are as follows:

	For the year ended
	December 31,
	2017			2016
Deferred tax assets:
Allowance for loan losses	$	6,264		$	8,516
Amortization of core deposit intangible		759			996
Compensation related		6,158			7,552
Unrealized loss on securities		988			2,462
Other		3,599			2,430
Subtotal		17,768			21,956
Deferred tax liabilities:
FHLB stock dividends		(550	)		(827	)
Depreciation		(4,115	)		(6,548	)
Mortgage servicing rights		(19,830	)		(12,558	)
Other		(5,131	)		(6,203	)
Subtotal		(29,626	)		(26,136	)
Net deferred tax liability	$	(11,858	)	$	(4,180	)

140

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

On December 22, 2017, the Tax Cuts and Jobs Act (the “Act”) was signed into law, among other things permanently reduced the corporate tax rate from 35 percent to 21 percent, effective for tax years beginning January 1, 2018. Under the guidance of ASC 740, “Income Taxes” (“ASC 740”), the Company revalued its net deferred tax assets on the date of enactment based on the reduction in the overall future tax benefit expected to be realized at the lower tax rate implemented by the new legislation. After reviewing the Company’s inventory of deferred tax assets and liabilities on the date of enactment and giving consideration to the future impact of the lower corporate tax rates and other provisions of the new legislation, the Company’s revaluation of its net deferred tax liabilities was $5,894, which was included in “income taxes” in the Consolidated Statements of Income. Although in the normal course of business the Company is required to make estimates and assumptions for certain tax items which cannot be fully determined at period end, the Company did not identify items for which the income tax effects of the Tax Act have not been completed as of December 31, 2017 and, therefore, considers its accounting for the tax effects of the Tax Act on its deferred tax assets and liabilities to be complete as of December 31, 2017.

In recording the impact of the conversion to a C corporation, the Company recorded a deferred income tax expense of $2,955 related to the unrealized gain on available for sale securities through the income statement in accordance with ASC 740-20-45-8; therefore, the amount shown in other comprehensive income has not been reduced by the above expense. This difference will remain in OCI until the underlying securities are sold or mature in accordance with the portfolio approach allowed under ASC 740.

Tax periods for all fiscal years after 2013 remain open to examination by the federal and state taxing jurisdictions to which the Company is subject.

Note (16)—Dividend restrictions:

Due to regulations of the Tennessee Department of Financial Institutions (“TDFI”), the Bank may not declare dividends in any calendar year that exceeds the total of its net income of that year combined with its retained net income of the preceding two years without the prior approval of the TDFI Commissioner. Based upon this regulation, $105,453 and $66,180 was available for payment of dividends without such prior approval at December 31, 2017 and 2016, respectively. In addition, dividends paid by the Bank to the Company would be prohibited if the effect thereof would cause the Bank’s capital to be reduced below applicable minimum capital requirements.

For the years ended December 31, 2017, 2016 and 2015 the Bank declared dividends to the Company in the amounts of $0, $69,300 and $23,600, respectively, which was then paid to the Company’s shareholder.

Note (17)—Commitments and contingencies:

Some financial instruments, such as loan commitments, credit lines, letters of credit, and overdraft protection, are issued to meet customer financing needs. These are agreements to provide credit or to support the credit of others, as long as conditions established in the contract are met, and usually have expiration dates.

Commitments may expire without being used. Off-balance sheet risk to credit loss exists up to the face amount of these instruments, although material losses are not anticipated. The same credit policies are used to make such commitments as are used for loans, including obtaining collateral at exercise of the commitment.

	Year Ended
	December 31,
	2017		2016
Commitments to extend credit, excluding interest rate lock commitments	$	977,276	$	579,879
Letters of credit		22,882		22,547
Balance at end of period	$	1,000,158	$	602,426

141

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Commitments under non-cancelable operating leases were as follows, before considering renewal options that generally are present:

2018	$	3,533
2019		2,806
2020		2,318
2021		2,074
2022		1,623
Thereafter		5,350
Total	$	17,704

Rent expense for the years ended December 31, 2017, 2016 and 2015, was $4,245, $3,904 and $3,750, respectively.

In connection with the sale of mortgage loans to third party investors, the Bank makes usual and customary representations and warranties as to the propriety of its origination activities. Occasionally, the investors require the Bank to repurchase loans sold to them under the terms of the warranties. When this happens, the loans are recorded at fair value with a corresponding charge to a valuation reserve. The total principal amount of loans repurchased (or indemnified for) was $4,704 and $8,326 and $2,453 for the years ended December 31, 2017, 2016 and 2015, respectively. The Bank has established a reserve associated with loan repurchases. This reserve is recorded in accrued expenses and other liabilities on the consolidated balance sheet. The following table summarizes the activity in the repurchase reserve:

	For the year ended
	December 31,
	2017			2016			2015
Balance at beginning of period	$	2,659		$	2,156		$	828
Provision for loan repurchases or indemnifications		810			512			1,375
Recoveries on previous losses		—			9			—
Losses on loans repurchased or indemnified		(83	)		(18	)		(47	)
Balance at end of period	$	3,386		$	2,659		$	2,156

Note (18)—Derivatives:

The Company utilizes derivative financial instruments as part of its ongoing efforts to manage its interest rate risk exposure as well as the exposure for its customers. Derivative financial instruments are included in the Consolidated Balance Sheets line item “Other assets” or “Other liabilities” at fair value in accordance with ASC 815, “Derivatives and Hedging.”

The Company enters into commitments to originate loans whereby the interest rate on the loan is determined prior to funding (rate-lock commitments). Under such commitments, interest rates for a mortgage loan are typically locked in for up to forty-five days with the customer. These interest rate lock commitments are recorded at fair value in the Company’s Consolidated Balance Sheets.  The Company also enters into forward commitments to sell residential mortgage loans to secondary market investors. Gains and losses arising from changes in the valuation of the rate-lock commitments and forward commitments are recognized currently in earnings and are reflected under the line item “Mortgage banking income” on the Consolidated Statements of Income.

The Company enters into forward commitments, futures and options contracts that are not designated as hedging instruments as economic hedges of the change in the fair value of its MSRs. Gains and losses associated with these instruments are included in earnings and are reflected under the line item “Mortgage banking income” on the Consolidated Statements of Income.

The Company enters into derivative instruments that are not designated as hedging instruments to help its commercial customers manage their exposure to interest rate fluctuations. To mitigate the interest rate risk associated with customer contracts, the Company enters into an offsetting derivative contract. The Company manages its credit risk, or potential risk of default by its commercial customers through credit limit approval and monitoring procedures.

142

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

In June of 2017, the Company entered into two interest rate swap agreements with notional amounts totaling $30,000 to hedge interest rate exposure on outstanding subordinate debentures included in long-term debt totaling $30,930. See Note 14 “Long term debt” in the notes to the consolidated financial statements for additional details regarding subordinated debentures. Under these agreements, the Company receives a variable rate of interest and pays a fixed rate of interest. The interest rate swap contracts, which mature in June of 2024, are designated as cash flow hedges with the objective of reducing the variability in cash flows resulting from changes in interest rates. As of December 31, 2017, the fair value of these contracts was $305.

In July of 2017, the Company entered into three interest rate swap contracts on floating rate liabilities at the Bank level with notional amounts of $30,000, $35,000 and $35,000 for a period of three, four and five years, respectively. These interest rate swaps are designated as cash flow hedges with the objective of reducing the variability of cash flows associated with $100,000 of short-term FHLB borrowings obtained to fund the Clayton Banks merger. Under these contracts, the Company receives a variable rate of interest and pays a fixed rate of interest. As of December 31, 2017, the fair value of these contracts was $1,127 included in those designated as hedging below.

Certain financial instruments, including derivatives, may be eligible for offset in the Consolidated Balance Sheet when the “right of setoff” exists or when the instruments are subject to an enforceable master netting agreement, which includes the right of the non-defaulting party or non-affected party to offset recognized amounts, including collateral posted with the counterparty, to determine a net receivable or net payable upon early termination of the agreement. Certain of the Company’s derivative instruments are subject to master netting agreements. The Company has not elected to offset such financial instruments in the Consolidated Balance Sheets.

The following table provides details on the Company’s derivative financial instruments as of the dates presented:

	December 31, 2017
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	146,754	$	1,146	$	1,146
Forward commitments		870,574		—		553
Interest rate-lock commitments		504,156		6,768		—
Futures contracts		283,000		315		—
Option contracts		6,000		29		—
Total	$	1,810,484	$	8,258	$	1,699

	December 31, 2016
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	22,243	$	586	$	586
Forward commitments		829,000		12,731		—
Interest rate-lock commitments		532,920		6,428		—
Futures contracts		—		—		—
Total	$	1,384,163	$	19,745	$	586

	December 31, 2017
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	130,000	$	1,432	$	—
Total	$	130,000	$	1,432	$	—

143

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments were as follows:

	Year Ended December 31,
	2017			2016		2015
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	340		$	835	$	2,073
Forward commitments		(11,987	)		10,497		(3,600	)
Futures contracts		315			—		—
Option contracts		22			—		—
Total	$	(11,310	)	$	11,332	$	(1,527	)

	Year Ended December 31,
	2017		2016			2015
Designated as hedging:
Amount of gain reclassified from other comprehensive    income and recognized in interest expense on long-term debt	$	168	$	—		$	—
Included in loss on sale of mortgage servicing rights		—		(5,569	)		—
Total	$	168	$	(5,569	)	$	—

The following discloses the amount included in other comprehensive income, net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Year Ended December 31,
	2017		2016		2015
Designated as hedging:
Amount of gain recognized in other comprehensive    income, net of tax	$	685	$	—	$	—

Note (19)—Fair value of financial instruments:

ASC 820-10 establishes a framework for measuring the fair value of assets and liabilities according to a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The fair value hierarchy gives the highest priority to quoted prices in active markets for identical assets and liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). The hierarchy maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that are derived from assumptions based on management’s estimate of assumptions that market participants would use in pricing the asset or liability based on the best information available under the circumstances.

The hierarchy is broken down into the following three levels, based on the reliability of inputs:

Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities that are accessible at the measurement date.

Level 2: Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data.

Level 3: Significant unobservable inputs for assets or liabilities that are derived from assumptions based on management’s estimate of assumptions that market participants would use in pricing the assets or liabilities.

144

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The Company records the fair values of financial assets and liabilities on a recurring and non-recurring basis using the following methods and assumptions:

Available-for-sale securities—Available-for-sale securities are recorded at fair value on a recurring basis. Fair values for securities are based on quoted market prices, where available. If quoted prices are not available, fair values are based on quoted market prices of similar instruments or are determined by matrix pricing, which is a mathematical technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the pricing relationship or correlation among other benchmark quoted securities. Available-for-sale securities valued using quoted market prices of similar instruments or that are valued using matrix pricing are classified as Level 2. When significant inputs to the valuation are unobservable, the available-for-sale securities are classified within Level 3 of the fair value hierarchy.

Where no active market exists for a security or other benchmark securities, fair value is estimated by the Company with reference to discount margins for other high risk securities.

Loans held for sale—Loans held for sale are carried at fair value. If fair value is used, it is determined using current secondary market prices for loans with similar characteristics, that is, using Level 2 inputs.

Derivatives—The fair value of the interest rate swaps are based upon fair values provided from entities that engage in interest rate swap activity and is based upon projected future cash flows and interest rates. Fair value of commitments is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered. These financial instruments are classified as Level 2.

Other real estate owned—Other real estate owned is comprised of commercial and residential real estate obtained in partial or total satisfaction of loan obligations. OREO acquired in settlement of indebtedness is recorded at the lower of the carrying amount of the loan or the fair value of the real estate less costs to sell. Fair value is determined on a nonrecurring basis based on appraisals by qualified licensed appraisers and is adjusted for management’s estimates of costs to sell and holding period discounts. The valuations are classified as Level 3.

Mortgage servicing rights—Servicing rights are carried at fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, market discount rates, prepayment speeds, servicing costs, and other factors. Mortgage servicing rights are disclosed as Level 3.

Impaired loans—Loans considered impaired under FASB ASC 310, Receivables, are loans for which, based on current information and events, it is probable that the creditor will be unable to collect all amounts due according to the contractual terms of the loan agreement. Fair value adjustments for impaired loans are recorded on a non-recurring basis as either partial write downs based on observable market prices or current appraisal of the collateral. Impaired loans are classified as Level 3.

The following methods were used to estimate the fair value of the Company’s financial instruments which were not previously presented.

Cash and cash equivalents—Cash and cash equivalents consist of cash and due from banks with other financial institutions and federal funds sold. The carrying amount reported in the consolidated balance sheets approximates the fair value based upon the short-term nature of these assets. Also included are interest-bearing deposits in financial institutions. Interest bearing deposits in financial institutions consist of interest bearing accounts at the Federal Reserve Bank and Federal Home Loan Bank. The carrying value reported in the consolidated balance sheets approximates the fair value based upon the short-term nature of the assets.

Federal Home Loan Bank stock—The carrying value of Federal Home Loan Bank stock reported in the consolidated balance sheets approximates the fair value as the stock is redeemable at the carrying value.

Loans—For variable rate loans that re-price frequently and with no significant change in credit risk, fair values are based upon carrying values. Fixed rate loan fair values are estimated using a discounted cash flow analysis based upon interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.

145

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Deposits—The fair value disclosed for demand deposits (both interest bearing and noninterest bearing) and savings deposits are equal to the amount payable on demand as of the reporting date. The fair value of the time deposits is estimated using a discounted cash flow method based upon current rates for similar types of accounts.

Short term borrowings—The fair value of the lines of credit which represent federal funds purchased approximate the carrying value of the amounts reported on the balance sheet due to the short-term nature of these liabilities.

Securities sold under agreement to repurchase—The fair value of the securities sold under agreement to repurchase approximate the carrying value of the amounts reported on the balance sheet due to the short-term nature of these liabilities.

Long-term debt—The fair value of long-term debt is determined using discounted cash flows using current rates.

Accrued interest payable and receivable – The carrying amounts of accrued interest approximate fair value.

The estimated fair values of the Company’s financial instruments are as follows:

			Fair Value
December 31, 2017	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	119,751	$	119,751	$	—	$	—	$	119,751
Available-for-sale securities		543,992		—		540,388		3,604		543,992
Federal Home Loan Bank Stock		11,412		—		—		11,412		11,412
Loans, net		3,142,870		—		3,064,373		77,027		3,141,400
Loans held for sale		526,185		—		526,185		—		526,185
Interest receivable		13,069		—		13,069		—		13,069
Mortgage servicing rights		76,107		—		—		76,107		76,107
Derivatives		9,690		—		9,690		—		9,690
Financial liabilities:
Deposits:
Without stated maturities	$	2,976,066	$	2,976,066	$	—	$	—	$	2,976,066
With stated maturities		688,329		—		682,403		—		682,403
Securities sold under agreement to    repurchase		14,293		14,293		—		—		14,293
Short term borrowings		190,000		190,000		—		—		190,000
Interest payable		1,504		575		929		—		1,504
Long-term debt		143,302		—		149,135		—		149,135
Derivatives		1,699		—		1,699		—		1,699

146

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

			Fair Value
December 31, 2016	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	136,327	$	136,327	$	—	$	—	$	136,327
Available-for-sale securities		582,183		—		577,634		4,549		582,183
Federal Home Loan Bank Stock		7,743		—		—		7,743		7,743
Loans, net		1,827,037		—		1,822,054		1,281		1,823,335
Loans held for sale		507,442		—		507,442		—		507,442
Interest receivable		7,241		—		7,241		—		7,241
Mortgage servicing rights, net		32,070		—		—		33,081		33,081
Derivatives		19,745		—		19,745		—		19,745
Financial liabilities:
Deposits:
Without stated maturities	$	2,280,531	$	2,280,531	$	—	$	—	$	2,280,531
With stated maturities		391,031		—		390,484		—		390,484
Securities sold under agreement to    repurchase		21,561		21,561		—		—		21,561
Short term borrowings		150,000		150,000		—		—		150,000
Interest payable		632		249		383		—		632
Long-term debt		44,892		—		47,377		—		47,377
Derivatives		586		—		586		—		586

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2017 are presented in the following table:

At December 31, 2017	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Recurring valuations:
Financial assets:
Available-for-sale securities:
U.S. government agency securities	$	—	$	986	$	—	$	986
Mortgage-backed securities		—		418,781		—		418,781
Municipals, tax-exempt		—		109,251		—		109,251
Treasury securities		—		7,252		—		7,252
Equity securities		—		4,118		3,604		7,722
Total	$	—	$	540,388	$	3,604	$	543,992
Loans held for sale		—		526,185		—		526,185
Mortgage servicing rights		—		—		76,107		76,107
Derivatives		—		9,690		—		9,690
Financial Liabilities:
Derivatives	$	—	$	1,699	$	—	$	1,699

147

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2017 are presented in the following table:

At December 31, 2017	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Non-recurring valuations:
Financial assets:
Other real estate owned	$	—	$	—	$	13,174	$	13,174
Impaired loans:
Commercial and industrial		—		—		1,971		1,971
Construction						4,211		4,211
Residential real estate:
1-4 family mortgage		—		—		21,902		21,902
Commercial real estate:		—		—
Owner occupied						10,030		10,030
Non-owner occupied		—		—		13,593		13,593
Consumer and other		—		—		25,320		25,320
Total	$	—	$	—	$	77,027	$	77,027

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2016 are presented in the following table:

At December 31, 2016	Quoted prices in active markets for identicalassets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Recurring valuations:
Financial assets:
Available-for-sale securities:
U.S. government agency securities	$	—	$	985	$	—	$	985
Mortgage-backed securities		—		443,908		—		443,908
Municipals, tax-exempt		—		116,923		—		116,923
Treasury securities		—		11,757		—		11,757
Equity securities		—		4,061		4,549		8,610
Total	$	—	$	577,634	$	4,549	$	582,183
Loans held for sale		—		507,442		—		507,442
Derivatives		—		19,745		—		19,745
Financial Liabilities:
Derivatives	$	—	$	586	$	—	$	586

148

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2016 are presented in the following table:

At December 31, 2016	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Non-recurring valuations:
Financial assets:
Other real estate owned	$	—	$	—	$	2,315	$	2,315
Mortgage servicing rights		—		—		32,070		32,070
Impaired Loans:
Commercial and industrial		—		—		542		542
Residential real estate:
1-4 family mortgage		—		—		103		103
Commercial real estate:
Owner occupied		—		—		635		635
Consumer and other		—		—		1		1
Total	$	—	$	—	$	1,281	$	1,281

There were no transfers between Level 1, 2 or 3 during the periods presented.

The following table provides a reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs, or Level 3 inputs, during the year ended December 31, 2017 and 2016:

	Available-for-sale securities
	Year Ended December 31,
	2017			2016
Balance at beginning of period	$	4,549		$	4,856
Realized gains included in net income		—			—
Unrealized gains included in other comprehensive income		—			—
Impairment of equity securities		(945	)		—
Purchases		—			—
Capital distribution		—			(307	)
Balance at end of period	$	3,604		$	4,549

The fair value of certain of the Company’s equity securities are determined from information derived from external parties that calculate discounted cash flows using swap and LIBOR curves plus spreads that adjust for loss severities, volatility, credit risk and optionality. When available, broker quotes are used to validate the model. Industry research reports as well as assumptions about specific-issuer defaults and deferrals are reviewed and incorporated into the calculations. There is no established market for the Company’s equity securities, and as such, the Company has estimated that historical costs approximates market value.

The following table presents information as of December 31, 2017 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:

Financial instrument	FairValue		Valuation technique	Significant Unobservable inputs	Range of inputs
Impaired loans	$	77,027	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	13,174	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

149

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

The following table presents information as of December 31, 2016 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:

Financial instrument	FairValue		Valuation technique	Significant Unobservable inputs	Range of inputs
Impaired loans	$	1,281	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	2,315	Appraised value of property less costs to sell	Discount for costs to sell	0%-10%
Mortgage servicing rights, net	$	33,081	Discounted cash flows	See Note 9	See Note 9

Appraisals for both collateral-dependent impaired loans and other real estate owned are performed by certified general appraisers (for commercial properties) or certified residential appraisers (for residential properties) whose qualifications and licenses have been reviewed and verified by the Company. Once received, a member of the lending administrative department reviews the assumptions and approaches utilized in the appraisal as well as the overall resulting fair value in comparison with independent data sources such as recent market data or industry wide statistics.

Fair value option

The Company elected to measure all loans originated for sale at fair value under the fair value option as permitted under ASC 825. Electing to measure these assets at fair value reduces certain timing differences and better matches the changes in fair value of the loans with changes in the fair value of derivative instruments used to economically hedge them.

Net (losses) gains of $9,111 and $(2,289) resulting from fair value changes of the mortgage loans were recorded in income during the year ended December 31, 2017 and 2016, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both loans held for sale and the related derivative instruments are recorded in Mortgage Banking Income in the Consolidated Statements of Income. Election of the fair value option allows the Company to reduce the accounting volatility that would otherwise result from the asymmetry created by accounting for the financial instruments at the lower of cost or fair value and the derivatives at fair value. The fair value option election does not apply to the GNMA optional repurchase loans which do not meet the requirements under FASB ASC Topic 825 to be accounted for under the fair value option. GNMA optional repurchase loans totaled $43,035 at December 31, 2017 and are included in loans held for sale on the accompanying Consolidated Balance Sheets. Amounts related to previous periods were not deemed significant.

The Company’s valuation of loans held for sale incorporates an assumption for credit risk; however, given the short-term period that the Company holds these loans, valuation adjustments attributable to instrument-specific credit risk is nominal. Interest income on loans held for sale measured at fair value is accrued as it is earned based on contractual rates and is reflected in loan interest income in the Consolidated Statements of Income.

The following table summarizes the differences between the fair value and the principal balance for loans held for sale measured at fair value as of December 31, 2017 and 2016:

December 31, 2017	Aggregate fair value		Aggregate Unpaid Principal Balance		Difference
Mortgage loans held for sale measured at fair value	$	482,089	$	467,039	$	15,050
Past due loans of 90 days or more		320		320		—
Nonaccrual loans		741		741		—
December 31, 2016
Mortgage loans held for sale measured at fair value	$	507,442	$	501,503	$	5,939
Past due loans of 90 days or more		—		—		—
Nonaccrual loans		—		—		—

150

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (20)—Parent company only financial statements:

	As of December 31,
Balance sheet	2017		2016
Assets
Cash and cash equivalents(1)	$	25,789	$	30,993
Investments		1,129		2,074
Investments in Bank subsidiary(1)		595,625		325,574
Other assets		5,411		2,972
Goodwill		29		29
Total assets	$	627,983	$	361,642
Liabilities and shareholders' equity
Liabilities
Long-term debt	$	30,930	$	30,930
Accrued expenses and other liabilities		324		214
Total liabilities	$	31,254	$	31,144
Shareholders' equity
Common stock	$	30,536	$	24,108
Additional paid-in capital		418,596		213,480
Retained earnings		147,449		93,784
Accumulated other comprehensive (loss) income		148		(874	)
Total shareholders' equity	$	596,729	$	330,498
Total liabilities and shareholders' equity	$	627,983	$	361,642

(1) Eliminates in Consolidation

	For the years ended December 31,
Income Statements	2017			2016			2015
Income
Other interest income	$	41		$	33		$	33
Interest income from Bank subsidiary (1)		—			95			121
Gain (loss) on investments		(945	)		417			—
Dividend income from Bank subsidiary (1)		—			14,875			25,105
Earnings from Bank subsidiary (1)		54,713			26,859			23,879
Total income	$	53,809		$	42,279		$	49,138
Expenses
Interest expense	$	1,491		$	1,393		$	1,298
Salaries, legal and professional fees		893			315			3
Other noninterest expense		296			168			59
Federal and state income tax benefit		(1,269	)		(188	)		(78	)
Total expenses	$	1,411		$	1,688		$	1,282
Net income	$	52,398		$	40,591		$	47,856

(1) Eliminates in Consolidation

151

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

	For the years ended December 31,
Statement of Cash Flows	2017			2016			2015
Operating Activities
Net income	$	52,398		$	40,591		$	47,856
Adjustments to reconcile net income to net cash provided by    operating activities:
Equity in undistributed income of subsidiary bank		(54,713	)		(26,859	)		(23,879	)
Loss (gain) on investments		945			(417	)		—
Stock-based compensation expense		—			4,693			—
(Increase) decrease in other assets		(2,439	)		(427	)		1,292
Increase (decrease) in other liabilities		(551	)		(5,251	)		23
Other, net		-			7			(1	)
Net cash provided by operating activities	$	(4,360	)	$	12,337		$	25,291
Investing Activities
Other investments	$	—		$	724		$	761
Net cash provided by investing activities	$	—		$	724		$	761
Financing Activities
Equity contribution to Bank	$	(154,200	)	$	(20,000	)	$	—
Payment of dividends		—			(69,300	)		(25,350	)
Payment of subordinated debt		—			(10,075	)		—
Net proceeds from sale of common stock		153,356			116,054			—
Net cash (used in) provided by financing activities	$	(844	)	$	16,679		$	(25,350	)
Net (decrease) increase in cash and cash equivalents		(5,204	)		29,740			702
Cash and Cash Equivalents at beginning of year		30,993			1,253			551
Cash and Cash Equivalents at end of year	$	25,789		$	30,993		$	1,253
Supplemental noncash disclosures:
Conversion of cash-settled to stock-settled compensation	$	—		$	5,388		$	—
Forgiveness of intercompany debt	$	—		$	6,024		$	—

Note (21)—Segment reporting:

The Company and the Bank are engaged in the business of banking and provide a full range of financial services. The Company determines reportable segments based on the significance of the segment’s operating results to the overall Company, the products and services offered, customer characteristics, processes and service delivery of the segments and the regular financial performance review and allocation of resources by the Chief Executive Officer (“CEO”), the Company’s chief operating decision maker. The Company has identified two distinct reportable segments—Banking and Mortgage. The Company’s primary segment is Banking, which provides a full range of deposit and lending products and services to corporate, commercial and consumer customers. The Company offers full-service conforming residential mortgage products, including conforming residential loans and services through the Mortgage segment utilizing mortgage offices outside of the geographic footprint of the Banking operations as well as internet delivery channels. Additionally, the Mortgage segment includes the servicing of residential mortgage loans and the packaging and securitization of loans to governmental agencies. The residential mortgage products and services originated in our Banking footprint and related revenues and expenses are included in our Banking segment. The Company’s mortgage division represents a distinct reportable segment which differs from the Company’s primary business of commercial and retail banking.

The financial performance of the Mortgage segment is assessed based on results of operations reflecting direct revenues and expenses and allocated expenses. This approach gives management a better indication of the operating performance of the segment. When assessing the Banking segment’s financial performance the CEO utilizes reports with indirect revenues and expenses including but not limited to the investment portfolio, electronic delivery channels and areas that primarily support the banking segment operations. Therefore these are included in the results of the Banking segment. Other indirect revenue and expenses related to general administrative areas are also included in the internal financial results reports of the Banking segment utilized by the CEO for analysis and are thus included for Banking segment reporting. The Mortgage segment utilizes funding sources from the Banking segment in order to fund mortgage loans that

152

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

are ultimately sold on the secondary market. The Mortgage segment uses the proceeds from loan sales to repay obligations due to the Banking segment.

During the year ended December 31, 2016, the Company realigned its segment reporting structure to reclassify mortgage banking income and related expenses associated with retail mortgage originations within our Banking geographic footprint from the Mortgage segment to the Banking segment. This change was made to capture all of the product and service offerings for our Banking customer base within our banking geographic footprint into the Banking segment while capturing all of the mortgage banking activities outside of the banking footprint into the Mortgage segment to allow our CEO to better determine resource allocations and operating performance for each segment. As such, the tables below have been revised to reflect the reclassification for all periods presented.

The following tables provides segment financial information for the years ended December 31, 2017, 2016 and 2015 follows:

Year Ended December 31, 2017	Banking			Mortgage			Consolidated
Net interest income	$	153,018		$	253		$	153,271
Provision for loan loss		(950	)		—			(950	)
Mortgage banking income		26,737			93,620			120,357
Change in fair value of mortgage servicing rights(1)		—			(3,424	)		(3,424	)
Other noninterest income		24,648			—			24,648
Depreciation		3,801			515			4,316
Amortization of intangibles		1,995			—			1,995
Loss on sale of mortgage servicing rights		—			249			249
Other noninterest mortgage banking expense		21,714			76,582			98,296
Other noninterest expense(2)		117,461			—			117,461
Income before income taxes		60,382			13,103			73,485
Income tax expense								21,087
Net income								52,398
Total assets	$	4,130,349		$	597,364		$	4,727,713
Goodwill		137,090			100			137,190
(1) Included in mortgage banking income.
(2) Included $19,034 in merger and conversion expenses related to the merger with the Clayton Banks.

Year Ended December 31, 2016	Banking			Mortgage			Consolidated
Net interest income	$	112,365		$	(1,415	)	$	110,950
Provision for loan loss		(1,479	)		—			(1,479	)
Mortgage banking income		25,542			92,209			117,751
Other noninterest income		26,934			—			26,934
Depreciation and amortization		3,506			489			3,995
Amortization of intangibles		2,132			—			2,132
Amortization and impairment of mortgage servicing rights		—			12,999			12,999
Loss on sale of mortgage servicing rights		—			4,447			4,447
Other noninterest mortgage banking expense		16,095			66,256			82,351
Other noninterest expense(1)		88,866			—			88,866
Income before income taxes		55,721			6,603			62,324
Income tax expense								21,733
Net income								40,591
Total assets	$	2,752,773		$	524,108		$	3,276,881
Goodwill		46,767			100			46,867

(1) Included $3,268 in merger and conversion expenses related to the acquisition of NWGB.

153

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Year Ended December31, 2015	Banking			Mortgage		Consolidated
Net interest income	$	92,366		$	1,506	$	93,872
Provision for loan loss		(3,070	)		6		(3,064	)
Mortgage banking income		18,718			51,472		70,190
Other noninterest income		22,190			—		22,190
Depreciation and amortization		2,933			350		3,283
Amortization of intangibles		1,731			—		1,731
Amortization and impairment of mortgage servicing rights		—			2,795		2,795
Other noninterest mortgage banking expense		13,189			42,949		56,138
Other noninterest expense(1)		74,545			—		74,545
Income before income taxes		43,946			6,878		50,824
Income tax expense							2,968
Net income							47,856
Total assets	$	2,570,071		$	329,349	$	2,899,420
Goodwill		46,804			100		46,904

(1) Included $3,543 in merger and conversion expenses related to the acquisition of NWGB.

Our Banking segment provides our Mortgage segment with a warehouse line of credit that is used to fund mortgage loans held for sale. The warehouse line of credit had a prime interest rate of 4.50%, 3.75% and 3.50% as of December 31, 2017, 2016 and 2015, respectively. The amount of interest paid by our Mortgage segment to our Banking segment under this warehouse line of credit is recorded as interest income to our Banking segment and as interest expense to our Mortgage segment, both of which are included in the calculation of net interest income for each segment. The amount of interest paid by our Mortgage segment to our Banking segment under this warehouse line of credit was $16,932, $12,636 and $8,688 for theDecember 31, 2017, 2016 and 2015, respectively.

Note (22)—Minimum capital requirements:

Banks and bank holding companies are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and, additionally for banks, prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators. Failure to meet capital requirements can initiate regulatory action.

For December 31, 2017 and 2016 Interim Final Basel III rules require the Bank to maintain minimum amounts and ratios of common equity Tier I capital to risk-weighted assets. Additionally under Basel III rules, the decision was made to opt-out of including accumulated other comprehensive income in regulatory capital. As of December 31, 2017 and 2016, the Bank and Company met all capital adequacy requirements to which it is subject. Also, as of December 31, 2017, the most recent notification from the FDIC, the Bank was well capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s category.

The table below includes new regulatory capital ratio requirements that became effective on January 1, 2015. Beginning in 2016, an additional conservation buffer was added to the minimum requirements for capital adequacy purposes, subject to a three year phase-in period. The capital conservative buffer will be fully phased in January 1, 2019 at 2.5 percent.

154

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Actual and required capital amounts and ratios are presented below at period-end.

	Actual					Forcapital adequacy purposes					Minimum Capital adequacy with capital buffer					To be well capitalized underprompt corrective action provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2017
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	496,422		12.01	%	$	330,672		8.0	%	$	382,340		9.25	%	N/A		N/A
FirstBank		466,102		11.30	%		329,984		8.0	%		381,544		9.25	%	$	412,480		10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	472,381		11.43	%	$	247,969		6.0	%	$	299,629		7.25	%	N/A		N/A
FirstBank		442,061		10.72	%		247,422		6.0	%		298,968		7.25	%	$	247,422		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	472,381		10.46	%	$	180,643		4.0	%	N/A		N/A			N/A		N/A
FirstBank		442,061		9.77	%		180,987		4.0	%	N/A		N/A			$	226,234		5.0	%
Common Equity Tier 1 Capital    (to risk-weighted assets)
FB Financial Corporation	$	442,381		10.71	%	$	185,874		4.5	%	$	237,506		5.75	%	N/A		N/A
FirstBank		442,061		10.72	%		185,567		4.5	%		237,113		5.75	%	$	268,041		6.5	%

	Actual					For capital adequacy purposes					Minimum Capital adequacy with capital buffer					To be well capitalized under prompt corrective action provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2016
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	338,893		13.03	%	$	208,069		8.0	%	$	224,325		8.63	%	N/A		N/A
FirstBank		304,018		11.72	%		207,521		8.0	%		223,733		8.63	%	$	259,401		10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	317,146		12.19	%	$	156,101		6.0	%	$	172,362		6.63	%	N/A		N/A
FirstBank		282,271		10.88	%		155,664		6.0	%		171,879		6.63	%	$	155,664		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	317,146		10.05	%	$	126,227		4.0	%	N/A		N/A			N/A		N/A
FirstBank		282,271		8.95	%		126,155		4.0	%	N/A		N/A			$	157,693		5.0	%
Common Equity Tier 1 Capital    (to risk-weighted assets)
FB Financial Corporation	$	287,146		11.04	%	$	117,043		4.5	%	$	133,299		5.13	%	N/A		N/A
FirstBank		282,271		10.88	%		116,748		4.5	%		132,963		5.13	%	$	168,636		6.5	%

155

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Note (23)—Employee benefit plans:

(A)—401(k) plan:

The Bank has a 401(k) Plan (the “Plan”) whereby substantially all employees participate in the Plan. Employees may contribute the maximum amount of their eligible compensation subject to certain limits based on the federal tax laws. The Bank makes matching contributions of 25% of participant contributions not to exceed 6% of an employee’s total compensation. The Bank may also make discretionary Profit Sharing contributions. Matching and profit sharing contributions are vested equally over five years. For the years ended December 31, 2017, 2016 and 2015, the matching portions provided by the Bank to this Plan were $2,344 and $1,379 and $1,290 respectively, which includes the additional discretionary contribution of 25% match contributed in those years.

(B)—Acquired supplemental retirement plans:

In prior years, the Company assumed certain nonqualified supplemental retirement plans for certain former employees of acquired entities. At December 31, 2017 and 2016, other liabilities on the consolidated balance sheet include post-retirement benefits payable of $1,510 and $2,023, respectively, related to these plans. For the years ended December 31, 2017, 2016 and 2015, the Company recorded expense of $4, $30 and $313, respectively, related to these plans and payments to the participants were $191, $205 and $202 in 2017, 2016 and 2015, respectively. The Company also acquired single premium life insurance policies on these individuals. At December 31, 2017 and 2016, other assets on the consolidated balance sheet include $10,873 and $10,556 and reported cash value income (net of related insurance premium expense) of $164, $181 and $136 in 2017, 2016 and 2015, respectively.

(C)—Deferred compensation plans and agreements:

The Bank has granted awards (“EBI Units”) to certain employees pursuant to the FirstBank 2010 Equity Based Incentive Plan (the “2010 EBI Plan”), the FirstBank 2012 Equity Based Incentive Plan (the “2012 EBI Plan”) and the FirstBank Preferred Equity Based Incentive Plan (the “Preferred EBI Plan” and, together with the 2010 EBI Plan and the 2012 EBI Plan, the “EBI Plans”). Prior to the initial public offering, awards granted under EBI Plans were settled in cash only. Following the initial public offering, participants in the EBI Plans were given the one-time option to elect, for each EBI Unit vested to such participant, either (i) an amount in cash or (ii) a number of shares of Company common stock determined pursuant to a conversion formula that took into account the effect of the initial public offering. Consistent with the terms of the EBI Plans and approved by the Board of Directors, outstanding EBI Units were adjusted to reflect the 100-for-one stock split that was effectuated prior to the IPO.

The Bank also has entered into a separate deferred compensation agreement with one key executive.  

Each plan or agreement is an unfunded general obligation of the Bank. The plans and agreements have varying vesting periods and other terms as follows:

2010 EBI Plan— Pursuant to the terms of the 2010 EBI Plan, each EBI Unit vests ratably over five years, or earlier upon a change of control, death or disability or retirement after age 65.On or shortly following the vesting date, the holder of an EBI Unit will receive an amount in cash (or, if so elected by the participant following the IPO, in stock) equal to the fair market value of a share of common stock on the December 31 immediately preceding the payment date. Prior to the IPO, fair market value was determined by dividing 7.5% of the total assets of the Bank by the total number of outstanding common stock shares of the Company. Following the IPO, EBI Units are valued based upon the Company’s stock price. Units under this plan became fully vested January, 2017.

Preferred EBI Plan—The Preferred EBI Plan has the same terms and conditions as those described above for the 2010 EBI Plan, with the exception of a seven year ratable vesting period. Units under this plan became fully vested January, 2017.

2012 EBI Plan— Pursuant to the terms of the 2012 EBI Plan, each EBI Unit vests and becomes payable following the third anniversary of the date of grant, or earlier upon a change of control, death or disability or retirement after age 65.  On or shortly following the vesting date, the holder of an EBI Unit will receive an amount in cash (or, if so elected by the participant following the IPO, in stock) equal to the fair market value of a share of common stock on the December 31 immediately preceding the payment date. Following the IPO, EBI Units are valued based upon the Company’s stock price. Prior to the IPO, fair market value of the Company was determined based upon the average of the sum of (a) 15 times the

156

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

Company’s after-tax earnings, based on a default tax rate imposed by the Code, and (b) 1.5 times the Company’s tangible book value, defined as the consolidated equity of the Company less unrealized gains (losses) and less goodwill and intangible assets. Following the IPO, EBI Units outstanding under the 2012 EBI Plan were adjusted to prevent dilution of these EBI Units as a result of the IPO pursuant to the following conversion formula: (i) the number of EBI Units outstanding under the 2012 EBI Plan (as adjusted for the stock split), multiplied by (ii) 1.13 (determined by dividing $21.4085, the fair market value per EBI Unit as determined under the 2012 EBI Plan, by $19.00, the IPO price).

Deferred compensation Agreement—Effective December 31, 2014, the Bank entered into an agreement with the Bank’s Chief Executive Officer to reward his prior service, pursuant to which he is entitled to receive a fixed lump sum cash payment equal to $3,000,000 on December 31, 2019 or the earlier occurrence of his separation of service or a change in control of the Company. On August 19, 2016, the Bank entered into an amendment to the deferred compensation agreement, pursuant to which the deferred account is now denominated in 157,895 deferred stock units, determined by dividing $3,000,000 by $19.00 (the IPO price). The deferred stock units are convertible on a 1-for-1 basis into shares of Company common stock on the original payment date described above.

Summary—At December 31, 2017 and 2016, other liabilities in the accompanying consolidated balance sheet include liabilities for the awards under the EBI Plans and Mr. Holmes’ agreement totaling $2,346 and $3,758, respectively. Effective September 16, 2016, $5,388 of accrued compensation was reclassified to additional paid in capital related to these awards. As of December 31, 2017 and 2016, 67,470 and 180,447 units, respectively, remain in the equity based incentive plan for those employees who elected cash settlement of EBI units. For the year ended December 31, 2017 and 2016, the Company incurred expenses related to these plans and agreements totaling $3,685 and $5,073, respectively, which is included in salaries, commissions and employee benefits in the accompanying statement of income. Additionally, payments under the plans totaled $5,163 and $1,601, respectively, for 2017 and 2016.

Note (24)—Stock-Based Compensation

The Company granted shares of common stock and restricted stock units in connection with its initial public offering and compensation arrangements for the benefit of employees, executive officers, and directors. Additionally, restricted stock unit grants are subject to time-based vesting. The total number of restricted stock units granted represents the maximum number of restricted stock units eligible to vest based upon the service conditions set forth in the grant agreements.

Additionally, following the initial public offering, participants in the EBI Plans (see Note 23) were given the option to elect conversion of their outstanding cash-settled EBI Units to stock-settled restricted stock units.

The following table summarizes information about vested and unvested restricted stock units outstanding at December 31, 2016:

	For the year ended
	December 31,
	2017					2016
	Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value		Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value
Balance at beginning of period		1,200,840		$	19.00		—
Conversion of deferred compensation plan		—			19.00		157,895			19.00
Conversion of equity based incentive (EBI) plans		—			19.00		125,684			19.00
Grants		123,169			35.15		1,077,066			19.00
Released and distributed (vested)		(103,639	)		21.25		(157,748	)		19.00
Forfeited/expired		(6,045	)		19.00		(2,057	)		19.00
Balance at end of period		1,214,325		$	19.97		1,200,840			19.00

The total fair value of restricted stock units vested and released was $2,202 and $2,997  for the years ended December 31, 2017 and 2016, respectively.

The compensation cost related to stock grants and vesting of restricted stock units was $8,184and $4,693 for the year ended December 31, 2017 and 2016, respectively. This included $551 paid to Company independent directors during the

157

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

year ended December 31, 2017 related to one time IPO grants and director compensation elected to be settled in stock. There were no such director grants during the year ended December 31, 2016.

As of December 31, 2017 and 2016, there were $12,950 and $15,721, respectively, of total unrecognized compensation cost related to nonvested stock-settled EBI Units and restricted stock units which is expected to be recognized over a weighted-average period of 2.80 years and 3.66 years, respectively.

At December 31, 2017 and 2016, there were 67,470 and 180,477 units valued at $2,833 and $4,683, respectively, remaining in the equity based incentive plans for employees who elected cash settlement of EBI units. Expense related to the cash settled EBI for the years ended December 31, 2017 and 2016 was $1,213 and $337, respectively.

Employee Stock Purchase Plan:

In 2016, the Company adopted an employee stock purchase plan (“ESPP”) under which employees, through payroll deductions, are able to purchase shares of Company common stock. The purchase price was the IPO price of $19.00 per share, with respect to the first offering period ended in 2016, and is 95% with respect to subsequent offering periods, of the lower of the price on the first or last day of the offering period. The maximum number of shares issuable during any offering period is 200,000 shares and a participant may not purchase more than 725 shares during any offering period (and, in any event, no more than $25,000 worth of common stock in any calendar year). During the years ended December 31, 2017 and 2016, there were 18,658 shares and 20,377 shares of common stock issued under the ESPP, respectively. As of December 31, 2017 and 2016, there were 2,460,965 and 2,479,623 shares available for issuance under the ESPP.

Note (25)—Related party transactions:

(A) Loans:

The Bank has made and expects to continue to make loans to the directors, certain management and executive officers of the Company and their affiliates in the ordinary course of business, in compliance with regulatory requirements. In management’s opinion, these transactions with directors and executive officers were made on substantially the same terms as those prevailing at the time for comparable transactions with other unaffiliated persons and did not involve more than the normal risk.

An analysis of loans to executive officers, certain management, and directors of the Bank and their affiliates follows:

Loans outstanding at January 1, 2017	$	27,370
New loans and advances		1,204
Change in related party status		(624	)
Repayments		(6,938	)
Loans outstanding at December 31, 2017	$	21,012

Unfunded commitments to certain executive officers, certain management and directors and their associates totaled $4,672 and $6,838 at December 31, 2017 and 2016, respectively.

(B) Deposits:

The Bank held deposits from related parties totaling $110,465 and $150,373 as of December 31, 2017 and 2016, respectively.

(C) Leases:

The Bank leases various office spaces from entities owned by certain directors of the Company under varying terms. The Company had $137 and $158 in unamortized leasehold improvements related to these leases at December 31, 2017 and 2016, respectively. These improvements are being amortized over a term not to exceed the length of the lease. Lease expense for these properties totaled $504, $522 and $503 for the years ended December 31, 2017, 2016 and 2015, respectively.

158

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Dollar amounts are in thousands, except share and per share amounts)

(D) Consulting services:

The Bank paid $306 for the year ended December 31, 2015 in management consulting services to an entity owned 100% by the then-sole shareholder. The agreement was terminated effective January 1, 2016.

(E) Subordinated debt:

On February 12, 1996, the Company borrowed $775 from the then-sole shareholder through a term subordinated note. On August 26, 1999, the Company borrowed $3,300 from the shareholder through a term subordinated note. On June 30, 2006, the Company borrowed $6,000 from the shareholder through a term subordinated note. The total of $10,075 was repaid with cash proceeds from the sale of common stock in the initial public offering, as discussed in Note 1. The Company paid interest payments related to these subordinated debentures to the shareholder amounting to approximately $230 and $237 for the years ended December 31 2016 and 2015, respectively.

(F) Investment securities transactions:

The Company holds an investment in a fund that was issued by an entity owned by one of its directors. The balance in the investment was $200 and $1,145 as of December 31, 2017 and 2016, respectively..

(G) Aviation time sharing agreement:

Effective May 24, 2016, the Company entered an aviation time sharing agreement with an entity owned by certain directors of the Company. This replaces the previous agreement dated December 21, 2012. During the years ended December 31, 2017 and 2016, the Company made payments of $176 and $313, respectively, under these agreements.

Note (26)—Subsequent event:

The Company has evaluated subsequent events through March 16, 2018, the date these financial statements were available to be issued. There were no subsequent events that occurred after December 31, 2017, but prior to the issuance of these financial statements that would have a material impact on the Company’s consolidated financial statements.

159

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

An evaluation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934 (the “Act”)) as of December 31, 2017 was carried out under the supervision and with the participation of the Company’s Chief Executive Officer, Chief Financial Officer and other members of the Company’s senior management. The Company’s Chief Executive Officer and Chief Financial Officer concluded that, as of December 31, 2017, the Company’s disclosure controls and procedures were effective for ensuring that information the Company is required to disclose in reports that it files or submits under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms and that such information is accumulated and communicated to the Company’s senior management, including its Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

Management’s Annual Report on Internal Control over Financial Reporting

The information required to be provided pursuant to this item is set forth under the headings “Report on Management’s Assessment of Internal Control over Financial Reporting” in Item 8, Financial Statements and Supplementary Data.

This Annual Report does not include an attestation report from our registered public accounting firm regarding our internal control over financial reporting.  Management’s report was not subject to attestation by our registered public accounting firm pursuant to rules of the SEC that permit emerging growth companies, which we are, to provide only Management’s Annual Report on Internal Control over Financial Reporting in this Annual Report.

Changes in Internal Controls

There was no change in our internal control over financial reporting that occurred during the fourth quarter ended December 31, 2017 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Limitations on the Effectiveness of Controls

The Company’s management recognizes that a control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues, errors and instances of fraud, if any, within the Company have been detected.

ITEM 9B. Other Information

Amendment of Award Agreements

On March 1, 2018, the Compensation Committee of the Board of Directors approved and adopted amendments (the “Amendments”) to (i) the form of Restricted Stock Unit Award Certificate that governs  outstanding and future restricted stock unit (“RSU”) awards granted pursuant to the Company’s 2016 Incentive Plan (the “2016 Incentive Plan”), except those RSU awards granted in September 2016 and December 2017, and (ii) the form of EBI Unit Award Agreement that governs  outstanding equity based incentive (“EBI”) unit awards granted pursuant to the 2012 Equity Based Incentive Plan, except for those granted to Christopher T. Holmes pursuant to his employment agreement filed as Exhibit 10.12 to the Company’s Registration Statement on Form S-1/A (File No. 333-213210), filed with the SEC on September 6, 2016.  The Amendments are effective as of March 1, 2018.  The Company has previously granted to each of the Company’s named executive officers (Messrs. Holmes, Evans, and Johnson) various RSU and EBI Unit awards.

With respect to the specified awards of RSUs, the Amendments provide for the following additional early vesting provisions: (i) vesting upon retirement after reaching the age of 65 provided that the retiree has performed 10 years of service to the Company or its subsidiaries and (ii) vesting upon termination by the Company without “cause” (as such term is defined in the 2016 Incentive Plan).  In addition, the Amendments make certain changes to the conversion provisions of

160

the form of RSU award agreement to ensure compliance with Section 409A of the Code with respect to the issuance of shares of common stock to certain “specified employees” of the Company (as defined in Section 409A of the Code) upon vesting of the RSU award.  With respect to the existing awards of EBI Units, the Amendments provide for additional early vesting upon termination without “cause” (as such term is defined in the 2012 EBI Plan).  Existing awards of EBI Units contain a provision for vesting upon retirement at age 65.  

The foregoing description of the Amendments does not purport to be complete and is qualified in its entirety by reference to the full text of the Form of Restricted Stock Unit Award Certificate (2018) pursuant to the FB Financial Corporation 2016 Incentive Plan, the Form of EBI Unit Award Agreement pursuant to the 2012 Equity Based Incentive Plan, the Long Form of EBI Unit Award Agreement pursuant to the 2012 Equity Based Incentive Plan and the First Amendment to the Form of EBI Unit Award Agreement pursuant to the 2012 Equity Based Incentive Plan, copies of each of which are attached to this Annual Report as Exhibit 10.8, Exhibit 10.16, Exhibit 10.17 and Exhibit 10.18, respectively, and which are incorporated herein by reference.

161

PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information required by this Item will be presented in, and is incorporated herein by reference to, the Company’s Definitive Proxy Statement for the 2018 Annual Meeting of Shareholders which will be filed with the SEC within 120 days of December 31, 2017.

Item 11. Executive Compensation

The information required by this Item will be presented in, and is incorporated herein by reference to, the Company’s Definitive Proxy Statement for the 2018 Annual Meeting of Shareholders which will be filed with the SEC within 120 days of December 31, 2017.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this Item will be presented in, and is incorporated herein by reference to, the Company’s Definitive Proxy Statement for the 2018 Annual Meeting of Shareholders which will be filed with the SEC within 120 days of December 31, 2017.

Item 13. Certain Relationships, Related Transactions and Director Independence

The information required by this Item will be presented in, and is incorporated herein by reference to, the Company’s Definitive Proxy Statement for the 2018 Annual Meeting of Shareholders which will be filed with the SEC within 120 days of December 31, 2017.

Item 14. Principal Accountant Fees and Services

The information required by this Item will be presented in, and is incorporated herein by reference to, the Company’s Definitive Proxy Statement for the 2018 Annual Meeting of Shareholders which will be filed with the SEC within 120 days of December 31, 2017.

162

PART IV

Item 15. Exhibits and Financial Statement Schedules

(a) 1. Financial Statements

The following consolidated financial statements of FB Financial Corporation and our subsidiaries and related reports of our independent registered public accounting firm are incorporated in this Item 15. by reference from Part II - Item 8. Financial Statements and Supplementary Data of this Report.

Consolidated balance sheets as of December 31, 2017 and 2016

Consolidated statements of income for the years ended December 31, 2017, 2016 and 2015

Consolidated statements of comprehensive income for the years ended December 31, 2017, 2016 and 2015

Consolidated statements of changes in shareholders’ equity for the years ended December 31, 2017, 2016 and 2015

Consolidated statements of cash flows for the years ended December 31, 2017, 2016 and 2015

Notes to Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

2. Financial Statement Schedules

None are applicable because the required information has been incorporated in the consolidated financial statements and notes thereto of FB Financial and our subsidiaries which are incorporated in this Annual Report by reference.

3. Exhibits

The following exhibits are filed or furnished herewith or are incorporated herein by reference to other documents previously filed with the SEC.

EXHIBIT INDEX

Exhibit

NumberDescription

2.1 Stock Purchase Agreement by and among FB Financial Corporation, FirstBank,Clayton HC, Inc.,ClaytonBank and Trust, American City Bank,and James L.Clayton, dated as of February 8, 2017 (incorporated byreference as Exhibit 2.1 to the Company’s CurrentReport on Form 8-Kfiled on February 9, 2017)

3.1 Amended and Restated Charter of FBFinancial Corporation (incorporated by reference asExhibit 3.1 tothe Company’s RegistrationStatement on Form S-1/A (File No.333-213210),filed onSeptember6,2016)

3.2 Amended and Restated BylawsofFB Financial Corporation (incorporated by reference as Exhibit 3.2 to the Company’sForm10-Q for the quarter ended September 30, 2016)

4.1 Registration Rights Agreement(incorporated by reference as Exhibit 4.1 to the Company’s Form 10-Q for the quarter endedSeptember30,2016)

10.1 Deferred Compensation Agreement between FB Financial Corporation and Christopher T.Holmes (incorporated byreference as Exhibit 10.3 ofthe Company’s Registration Statement on Form S-1/A(File No. 333-213210), filedon September 6,2016) †

10.2 Amendmentto DeferredCompensation Agreement between FB Financial Corporation and Christopher T.  Holmes(incorporated by reference as Exhibit10.4 tothe Company’s Registration Statement on Form S-1/A (FileNo.333-213210), filed on September 6, 2016) †

10.3 EmploymentAgreement between FB Financial Corporation and Christopher T.Holmes (incorporated by reference as Exhibit 10.5 tothe Company’s RegistrationStatement on Form S-1/A (File No.333-213210),filed onSeptember6,2016) †

10.4 FB Financial Corporation 2016 Incentive Plan (incorporated by reference as Exhibit 10.6 to the Company’sRegistration Statement on Form S-1/A (File No.333-213210),filed on September 6, 2016)

163

10.5 Form of Nonstatutory Stock Option Certificate (incorporated by reference as Exhibit 10.7 to the Company’s Registration Statement on Form S-1/A (File No. 333-213210), filed on September 6, 2016) †

10.6 Form of Restricted Stock Unit Award Certificate pursuant to theFB Financial Corporation 2016 Long-TermIncentive Plan(incorporated by reference as Exhibit 10.8 to the Company’s Registration Statement on Form S-1/A (File No. 333-213210), filed September 6,2016) †

10.7 Form of Restricted Stock Unit Award Certificate (2017) pursuantto the FB Financial Corporation 2016Incentive Plan (incorporated by reference as Exhibit 10.6  to the Company’s Form 10-K (File No. 001-37875), for the period ending December 31, 2016) †

10.8 Form of Restricted stock Unit Award Certificate (2018) pursuant to the FB Financial Corporation 2016 Incentive Plan *†

10.9 Form of Nonstatutory Stock Option Award Certificate pursuant to the FB Financial Corporation 2016 IncentivePlan (incorporated by reference as Exhibit 10.7 to the Company’s Registration Statement on Form S-1/A (FileNo. 333-213210), filed September 6, 2016) †

10.10 Form of Restricted Stock Award Certificate pursuant to the FB Financial Corporation 2016 Long-TermIncentive Plan(incorporated by reference as Exhibit 10.9 to the Company’s Registration Statement on Form S-1/A (File No. 333-213210), filed September 6,2016) †

10.11 FB Financial Corporation 2016 Employee Stock Purchase Plan (incorporated by reference as Exhibit 10.14 tothe Company’s Registration Statementon Form S-1/A (File No. 333-213210), filed on September 6, 2016) †

10.12 FirstBank 2012 EquityBased Incentive Plan (incorporated by reference as Exhibit 10.12 to the Company’sRegistration Statement on Form S-1(File No. 333-213210), filed August 19, 2016) †

10.13 Amendmentto FirstBank 2012 Equity Based Incentive Plan (incorporated by reference as Exhibit 10.16 to theCompany’s Registration Statement on Form S-1/A (File No.333-213210),filed September 6, 2016) †

10.14 EBI Unit Award Agreementbetween FB Financial Corporation and Christopher T. Holmesgranted under the FirstBank2012 Equity Based Incentive Plan (Fully-Vested) (incorporated by reference as Exhibit 10.12 to the Company’sRegistration Statement on Form S-1/A (File No.333-213210),filed September 6, 2016) †

10.15 EBI Unit Award Agreementbetween FB Financial Corporation and Chris Holmesgranted under the FirstBank2012 Equity Based Incentive Plan (Ratable Vesting) (incorporated by reference as Exhibit 10.13 to theCompany’s Registration Statement on Form S-1/A (File No.333-213210),filed September 6, 2016) †

10.16 Form of EBI Unit Award Agreement pursuant to the FirstBank 2012 Equity Based Incentive Plan*†

10.17 Long Form of EBI Unit Award Agreement pursuant to 2012 Equity Based Incentive Plan*†

10.18 First Amendment to the Form of EBI Unit Award Agreement pursuant to the FirstBank 2012 Equity Based Incentive Plan*†

10.19 FirstBank Preferred Equity Based Incentive Plan, as amended (incorporated by reference as Exhibit 10.11 tothe Company’s Registration Statementon Form S-1 (File No.333-213210),filed August 19, 2016) †

10.20 Amendmentto FirstBank Preferred Equity Based Incentive Plan (incorporated by reference as Exhibit 10.17 tothe Company’s Registration Statementon Form S-1/A (File No. 333-213210), filed September 6, 2016). †

10.21 Second Amendment to FirstBankPreferred Equity Based Incentive Plan (incorporated by reference as Exhibit 10.16 to the Company’s Form 10-K (File No. 001-37875), for the period ending December 31, 2016) †

10.22 FirstBank 2010 EquityBased Incentive Plan (incorporated by reference as Exhibit 10.15 to the Company’sRegistration Statement on Form S-1/A (File No.333-213210),filed September 6, 2016) †

10.23 Amendmentto FirstBank 2010 Equity Based Incentive Plan (incorporated by reference as Exhibit 10.18 to theCompany’s Registration Statement on Form S-1/A (File No.333-213210),filed September 6, 2016) †

10.24 Second Amendment to FirstBank 2010 Equity Based Incentive Plan (incorporated by reference as Exhibit 10.19 to the Company’s Form 10-K (File No. 001-37875), for the period ending December 31, 2016) †

10.25 Tax Sharing Agreement (incorporated by reference as Exhibit  10.11 to the Company’s Form 10-Qfor the quarter ended September30, 2016)

10.26 Shareholders’ Agreement (incorporated by reference as Exhibit 10.12 to the Company’s

164

Form 10-Qfor the quarter endedSeptember30,2016)

11 Earnings Per Share Computation (included in Note 1 to the consolidated financial statements in this Annual Report)

21Subsidiaries of FB Financial Corporation*

23.1ConsentofIndependent Registered Public Accounting Firm (RSM US LLP)*

24.1 Powers of Attorney contained on the signature pages of this 2017 Annual Report on Form 10-K andincorporated herein by reference

31.1 Rule 13a-14(a) Certification of Chief Executive Officer*

31.2 Rules13a-14(a) Certification of Chief Financial Officer*

32.1 Section 1350 Certification of Chief Executive Officer and Chief Financial Officer **

101.INSXBRL Instance Document

101.SCHXBRL Taxonomy Extension Schema Document

101.CALXBRL Taxonomy Extension Calculation Linkbase Document

101.DEFXBRL Taxonomy Extension Definition Linkbase Document

101.LABXBRL Taxonomy Extension Label Linkbase Document

101.PRE  XBRL Taxonomy Extension Presentation Linkbase Document

* Filed herewith.

** Furnished herewith.

† Represents a management contract or a compensatory plan or arrangement.

ITEM 16.  FORM 10-K SUMMARY

None.

165

Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed by the undersigned, thereunto duly authorized.

	FB Financial Corporation
	/s/ James R. Gordon
March 16, 2018	James R. Gordon Chief Financial Officer

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Christopher T. Holmes and James R. Gordon and each of them, his or her true and lawful attorney(s)-in-fact and agent(s), with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any or all amendments to this report and to file the same, with all exhibits and schedules thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney(s)-in-fact and agent(s) full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney(s)-in-fact and agent(s), or their substitute(s), may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons in the capacities and on the dates indicated.

Signature	Title	Date
/s/ James W. Ayers
James W. Ayers	Executive Chairman of the Board	March 16, 2018
/s/ Christopher T. Holmes
Christopher T. Holmes	Director, President and Chief Executive Officer (Principal Executive Officer)	March 16, 2018
/s/ James R. Gordon
James R. Gordon	Chief Financial Officer (Principal Financial and Accounting Officer)	March 16, 2018
/s/ William F. Andrews
William F. Andrews	Director	March 16, 2018
/s/ J. Jonathan Ayers
J. Jonathan Ayers	Director	March 16, 2018
/s/ Agenia Clark
Agenia Clark	Director	March 16, 2018
/s/ James L. Exum
James L. Exum	Director	March 16, 2018
/s/ Orrin H. Ingram
Orrin H. Ingram	Director	March 16, 2018
/s/ Stuart C. McWhorter
Stuart C. McWhorter	Director	March 16, 2018
/s/ Emily J. Reynolds
Emily J. Reynolds	Director	March 16, 2018

166

EX-10.8

Exhibit 10.8

RESTRICTEDST OCKUNITAWA RDCERTIFICATE

Non-transferable

G RANTTO

("Grantee")

byFBFinancialCorporation(the"Company")of

restrictedstockunitsconve11ible,onaone-for-onebasis,intosharesofStock(the"Units").

TheUnitsaregrantedpursuanttoandsubjecttotheprovisionsoftheFBFinancialCorporation2016IncentivePlan(the "Plan")andtothetermsandconditionssetf011honthefollowingpages(the"TermsandConditions").Byaccepting theUnits,GranteeshallbedeemedtohaveagreedtotheTermsandConditionssetforthinthisAwardCertificateand thePlan.Capitalizedtermsusedhereinandnototherwisedefinedshallhavethemeaningsassignedtosuchtermsinthe Plan.

UnlessvestingisacceleratedinaccordancewiththePlanorSectionl oftheTermsandConditions,theUnitsshallvest(becomenon-forfeitable)inaccordancewiththefollowingschedule,subjecttoGrantee'sContinuousServiceoneach vestingdate.

VestingDate

Percentof UnitsVesting

INWITNESSWHEREOF,FBFinancialCorporation,actingbyandthroughitsdulyauthorizedofficers,hascausedthisAwardCertificatetobedulyexecuted.

FBFINANCIALCORPORATION

By:JamesGordon

Its:ChiefFinancialOfficer GrantDate:

Exhibit 10.8

ApprovedbyCompensationCommitteeon3.1.2018

Exhibit 10.8

TERMSANDCONDITIONS

1.  VestingofUnits.TheUnitswill vest and become non-forfeitable on theearliesttooccurofthefollowing(each,a"VestingDate"):

(a) astothepercentagesoftheUnitsspecifiedonthecoverpagehereof,onthe respectiveVestingDatesspecifiedonthecoverpagehereof,subjectto Grantee'sContinuousServiceoneachvestingdate;

(b) astoalloftheUnits,ontheterminationofGrantee'sContinuousServicebytheCompanybyreasonofGrantee'sdeath;

(c) astoalloftheUnits,ontheterminationofGrantee'sContinuousServiceby theCompanybyreasonofGrantee'sDisability;

(d) astoalloftheUnits, ontheterminationofGrantee'sContinuousServicebytheCompanybyreasonofGrantee'sQualifyingRetirement.Forpurposes ofthisAwardCertificate,a"QualifyingRetirement"meansGrantee's terminationofemploymentatorfollowingage65withatleastten(10)years ofservicewiththeCompany;

(e) astoalloftheUnits,onthetermination  ofGrantee'sContinuousServicebytheCompanywithoutCause;

(f) astoalloftheUnits,ontheoccurrenceofaChangeinControl,unlesstheUnitsareassumedbythesurvivingentityorotherwiseequitablyconverted orsubstitutedinconnectionwiththeChangeinControl;or

(g) astoalloftheUnits,iftheUnitsareassumed bythesurvivingentityor otherwiseequitablyconvertedorsubstitutedinconnectionwithaChangein Control,ontheterminationofGrantee'semploymentbytheCompany withoutCause(orGrantee'sresignationforGoodReasonasprovidedinany employment,severanceorsimilaragreementbetweenGranteeandtheCompany oranAffiliate)withintwoyearsaftertheeffective dateofthe ChangeinControl.

If Grantee'sContinuousServiceterminatespriortoa VestingDateforanyreasonotherthanasdescribedin(b),(c),(d),(e)or(g)above,Granteeshallforfeitallright,titleandinterestinandtothethenunvestedUnitsasofthedateofsuchterminationandtheunvestedUnitswillbereconveyedtotheCompanywithout furtherconsiderationoranyactoractionbyGrantee.

2. Conversion to Stock. The Units that vest upon a Vesting Date will be converted to shares of Stock on the Vesting Date (the "Conversion Date"). Notwithstanding the foregoing, if (i) the Vesting Date occurs by reason of Section l(c), (d), (e) or (g) hereof, and (ii) Grantee is a "specified employee" of the   Company   (as  defined   in   Section 409A   of  the   Code   and   applicable regulations)asofthedateofhisorherterminationofemployment,then,totheextentrequiredbySection409AoftheCode,thesharesofStockwillbedeliveredtoGranteeonthefirstdayoftheseventhmonthfollowingthedateof Grantee'sterminationofemployment.ThesharesofStockwillberegisteredin thenameofGranteeasoftheConversionDate,andcertificatesforthesharesof Stock(or,attheoptionoftheCompany,statementsofbookentrynotationofthe sharesofStockinthenameofGranteein lieuthereof)shallbedeliveredto GranteeorGrantee'sdesigneeuponrequestofGranteeassoonaspracticableaftertheConversionDate.

3. Dividend Rights. The Units are not entitled to any dividends or dividend equivalent rights.

4. VotingRights.Granteeshallnothavevotingrightswithrespect tothe Units. UponconversionoftheUnitsintosharesofStock,GranteewillobtainfullvotingrightsandotherrightsasashareholderoftheCompany.

5. No Right of Continued Service.   Nothing in this Award Certificate shall interfere with or limit in any way the right of the Company or any Affiliate to terminate Grantee's service at any time, nor confer upon Grantee any right to continue to provide services to the Company or any Affiliate.

6.Restrictions onTransfer and Pledge.NorightorinterestofGranteeintheUnits maybepledged,encumbered,orhypothecatedtoorinfavorofanyparty,orshallbesubjecttoanylien,obligation,orliabilityofGranteetoany otherparty. TheUnitsarenotassignableortransferablebyGranteeotherthanby willorthelawsofdescentanddistribution.

7.Restrictions  on  Issuance  of  Shares.   Ifat anytime the Committee shalldetermine,initsdiscretion,thatregistration,listingorqualificationoftheSharesunderlyingtheUnitsuponanyExchangeorunderanyforeign,federal,orlocallaworpractice, orthe consentorapprovalofany governmentalregulatorybody,isnecessaryordesirableasaconditiontothesettlementoftheUnits,theUnitswillnotbeconvertedto Shares in whole or in part

ApprovedbyCompensation Committeeon3.1.2018

 

Exhibit 10.8

unless and until suchregistration, listing,qualification,consentorapprovalshall havebeeneffectedorobtainedfreeofanyconditionsnotacceptabletotheCommittee.

8.PaymentofTaxes.TheCompanyoranyemployerAffiliatehastheauthority andtherighttodeductorwithhold,orrequireGrantee toremittotheemployer, anamountsufficienttosatisfyfederal,state,andlocaltaxes(includingGrantee's FICAobligation)requiredbylawtobewithheldwithrespecttoanytaxableevent arisinginconnectionwiththeUnits.Thewithholdingrequirementshallbe satisfiedbywithholding fromthesettlementoftheUnitsShareshavingaFair MarketValueon thedateofwithholdingequaltotheminimumamountrequiredtobewithheldfortaxpurposes.

9.Plan Controls. The terms contained in the Plan are incorporated into and made a part of this Award Certificate, and this Award Certificate shall be governed by and construed in accordance with the Plan. In the event of any actual or alleged conflict between the provisions of the Plan and the provisions of this Award Certificate, the provisions of the Plan shall be controlling and determinative.

10.Successors. This Award Certificate shall be binding upon any successor of the Company, in accordance with the terms of this Award Certificate and the Plan.

11.Severability.IfanyoneormoreoftheprovisionscontainedinthisAward Certificateareinvalid,illegalorunenforceable,theotherprovisionsofthis AwardCertificatewillbeconstruedandenforcedasiftheinvalid,illegalor unenforceableprovisionhadneverbeenincluded.

12.Notice. Notices hereunder must be in writing, delivered personally or sent by registered or certified U.S. mail, return receipt requested, postage prepaid. Notices to the Company must be addressed to FB Financial Corporation, 211 Commerce Street, Suite 300, Nashville , TN 37201; Attn: Corporate Secretary, or any other address designated by the Company in a written notice to Grantee. Notices to Grantee will be directed to the address of Grantee then currently on file with the Company, or at any other address given by Grantee in a written notice to the Company.

13.Clawback. The Units shall be subject to any compensation recoupment policy of the Company that is applicable by its terms to Grantee and to awards of this type.

ApprovedbyCompensation Committeeon3.1.2018

 

EX-10.16

Exhibit 10.16

AWARD AGREEMENT

FirstBank 2012 Equity Based Incentive Plan

THIS AWARD AGREEMENT (the “Agreement”) is made under the FIRSTBANK 2012 EQUITY BASED INCENTIVE PLAN, and is made, effective as of the 1^ST day of February, 2012 (the “Grant Date”), between FirstBank, a Tennessee corporation (the “Company”), and __________________________ (the “Participant”).

WITNESSETH:

WHEREAS, the Company maintains the FirstBank 2012 Equity Based Incentive Plan (the “Plan”), as it may hereafter be amended and continued, in order to attract and retain quality management personnel and provide its management or highly compensated employees with incentives to achieve long-term corporate objectives, and a copy of the Plan has been delivered to or made available to the Participant;

WHEREAS, the Participant is an officer or other key employee of the Company with responsibility for the management or administration of the Company’s business;

WHEREAS, the Company has determined to grant certain EBI Units as defined under the Plan to the Participant on the terms and conditions set forth below.

NOW, THEREFORE, in consideration of the various covenants and agreements herein contained, and intending to be legally bound hereby, the parties hereto agree as follows:

1. Award.

a. The Company hereby grants to Participant a total of __ Equity Based Incentive Plan Units (the “EBI Units”), which had a “fair market value per share of common stock of the Company” (as such term is defined in section 2(m) of the Plan) of $__ as of the December 31 preceding the Grant Date. This grant of EBI Units is subject to the terms, restrictions, and other conditions of this Agreement and the Plan. Additional restrictions that may be applicable to certain employees are set forth in Section 7 below. Any term used herein and not defined shall have the meaning given such term in the Plan.

b. The EBI Units will not have voting or dividend rights

Exhibit 10.16

2. Vesting.

a. Provided in each case that no termination of employment has occurred prior to the applicable date, the EBI Units shall become vested as follows:

Complete Years of Service Following Grant Date	Percentage Vested
1	0%
2	0%
3	100%

b. The Plan provides the following example of vesting:  “For example, if a Participant received a Grant of EBI Units on October 1, 2012, he or she would be 0% vested in those Units prior to September 30, 2015, and 100% vested on September 30, 2015.”

c. The Plan provides as follows regarding vesting:

“Any Award, or portion thereof, not 100% vested upon the date of a Participant’s termination (by resignation or dismissal) of employment with the Company, its Parent, or Subsidiaries of the Parent or Company will be forfeited, and no payment will be made thereon, except that, in the case of Retirement, death or Disability the EBI Units shall be deemed fully vested upon the date of such Retirement, death or Disability. If a Participant’s employment is terminated for Cause, the Participant shall forfeit any Award and all EBI Units, whether vested or unvested, or any portion thereof, outstanding as of the date of such termination of employment.”

d. Pursuant to the Plan: “Retirement” means termination of employment with the Company by a Participant who is age 65 or older, or by a younger Participant where the Chairman of the Board in his sole discretion deems to accept such termination as a Retirement.  And, “Disability” means the Participant is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months.

e. The Plan also provides for the full vesting of EBI Units upon the occurrence of a Change in Control as defined in the Plan.

f. Note that vested EBI Units are further subject to forfeiture if the Participant is an employee to whom certain CPP restrictions and forfeitures apply, as provided in section 7 of this Agreement.

Exhibit 10.16

g. In addition, the EBI Units are further subject to forfeiture (and paid EBI Units are subject to repayment) in the event that the Participant violates the Confidentiality, Non-Solicitation and Non-Competition Agreement which is set forth in Schedule A of this Award Agreement and a part hereof.

h. Except as specifically provided in the Plan with respect to Retirement, death or Disability, no EBI Units that are unvested at termination of employment shall thereafter become vested.

3. No Right to Continued Employment.

Nothing in this Agreement or in the Plan shall confer upon the Participant any right to continue in the employment or other service of the Company, the Parent or any Subsidiary or shall interfere with or restrict in any way the rights of the Company, the Parent or any Subsidiary, which are hereby expressly reserved, to discharge the Participant at any time for any reasons whatsoever, with or without cause.

4. Award Subject to Plan.

Notwithstanding anything in this Agreement to the contrary, the terms of this Agreement shall be subject to the terms of the Plan. In the event of any inconsistency between this Agreement and the Plan, the Plan shall control.

5. Award subject to Confidentiality, Non-Solicitation and Non-Competition Agreement.

Participant’s rights and benefits under this Plan are subject to the Confidentiality, Non-Solicitation and Non-Competition Agreement the Participant set forth in Schedule A, which Participant is required to sign as a condition to receipt of the Award.  Violating the terms of any such Agreement shall result in the Participant forfeiting benefits under this Plan and repaying any payments for the EBI Units.

6. Award subject to “For Cause Termination.”

Participant’s rights and benefits under the Plan (whether vested or unvested) shall be forfeited if: (i) Participant is indicted on a felony charge unless and until the charge is subsequently dismissed; (ii) Participant is convicted of a felony (or submits a nolo contendere plea to one); (iii) Participant’s performance while on or about the business of the Company is impaired by the use of alcohol, drugs, or other mind or behavior altering substances; (iv) Participant commits an act of fraud or dishonesty or knowingly permits another employee to commit an act of fraud or dishonest; or (v)Participant’s willful neglect of, or willful failure to perform his or her duties.

7. Award subject to restrictions imposed under the Capital Purchase Program. So long as FirstBank or its Parent is subject to restrictions under the Treasury Department’s Capital Purchase Program (“CPP”), Participant’s rights and benefits under the Plan, and any payments to Participant with respect to the EBI Units subject to this Agreement, are subject

Exhibit 10.16

to the restrictions imposed upon FirstBank and its parent corporation and affiliates under CPP.  The Plan provides that the CPP restrictions are applicable to Participants in the Plan who are restricted from receiving or accruing a bonus by section 30.10 of the Treasury Department’s Interim Final Rule on Compensation and Corporate Governance for TARP Recipients (a “CPP Restricted Participant”). (Therefore, based on the CPP restrictions, the following restrictions are applicable to the EBI Units awarded to any CPP Restricted Participant:  The EBI Units may not be transferable or payable at any time earlier than permitted under the following schedule (except as allowed under the CPP rules and regulations to reflect a merger or acquisition of the CPP recipient):

(i) 25% of the EBI Units at the time of repayment of 25% of the aggregate CPP financial assistance received.

(ii) An additional 25% of the EBI Units (for an aggregate total of 50% of the EBI Units granted) at the time of repayment of 50% of the aggregate CPP financial assistance received.

  (iii) An additional 25% of the EBI Units (for an aggregate total of 75% of the EBI Units granted) at the time of repayment of 75% of the aggregate CPP financial assistance received.

(iv) The remainder of the EBI Units at the time of repayment of 100% of the aggregate CPP financial assistance received.

In addition, the CPP Restricted Participant is required to forfeit the EBI Units if the CPP Restricted Participant does not continue performing substantial services for the Company for at least two years from the date of grant, other than due to the CPP Restricted Participant’s death or disability, or a “change in control event” (as such term is defined in the CPP rules and regulations, not the definition in the Plan), with respect to the CPP recipient before the second anniversary of the date of grant.

8. Payment.

The terms and conditions of payment with respect to the EBI Units are provided in the Plan and, if the Participant is a CPP Restricted Participant, also in section 7 of this Agreement.  To provide for administrative flexibility, the actual payment of amounts due under this Plan may be delayed by the Company until the end of the fiscal quarter in which the Payment Date occurs.

9. Miscellaneous.

a. This Agreement may be executed in one or more counterparts, all of which taken together will constitute one and the same instrument.

b. The terms of this Agreement may only be amended, modified, or waived by a written agreement executed by both of the parties hereto.

c. The validity, performance, construction, and effect of this Agreement shall be governed by and construed in accordance with the laws of the State of Tennessee, without regard to the conflict of laws thereof.  Exclusive jurisdiction and venue for any matter arising under this Agreement shall be in the state or federal courts sitting in Nashville, Tennessee.

Exhibit 10.16

d. This Agreement and the Plan constitute the entire agreement between the parties hereto with respect to the Award granted herein.

e. Except as otherwise herein provided, this Agreement shall be binding upon and shall inure to the benefit of the Company, its successors and assigns, and of Participant and Participant’s personal representatives.

f. Obligations of the Company under the Plan shall be unsecured and unfunded obligations, and the holders of Awards shall be general creditors of the Company.

IN WITNESS WHEREOF, the parties have executed this Agreement, effective as of the Grant Date.

FirstBank

By:

Name:

Title:

PARTICIPANT

Name:

Address:

Social Security Number:

Exhibit 10.16

SCHEDULE A

Confidentiality, Non-Solicitation, and Non-Competition Agreement.

The undersigned executive (“Executive”) of First Bank, a Tennessee banking corporation (the “Bank”), hereby makes the following agreements of non-competition, non-solicitation, and confidentiality, in consideration of and as a condition to the grant and payment of Units (the “Units”) under the Bank’s 2012 Equity Based Incentive Plan (“EBI Plan”):

1. During such time as the Executive is employed by the Bank or one of its subsidiaries, Executive shall not, and shall cause his or her respective Affiliates not to, directly or indirectly, whether as an employee, independent contractor, principal, stockholder or equity-holder, consultant, financing source or otherwise, own, manage, operate, control or participate in the ownership, management, operation or control of any business, whether in corporate, proprietorship or partnership form or otherwise, engaged in the State of Tennessee in any facet of the business (herein called the “Business”) presently conducted by the Bank or its Affiliates; provided, however, that the restrictions contained in this section shall not restrict the acquisition by Executive, directly or indirectly, of less than five percent (5%) of the outstanding capital stock of any publicly traded company engaged in a business that competes with the Business.  

2. During the period from the date hereof until one year after the termination of employment with the Bank, Executive shall not, and shall cause his or her respective Affiliates not to, directly or indirectly: cause, solicit, induce or encourage any person who (a) is then employed by the Bank or its Affiliates in the operation of the Business, or (b) was, during the twenty-four (24) month period prior to the date at issue, employed by Bank or its Affiliates in the operation of the Business, to leave such employment or hire, employ or otherwise engage any such individual.  

3. During the period from the date hereof until the later of one year after the termination of employment with the Bank or such longer period as required by the Bank Secrecy Act, Executive shall not, at any time, use for his or her own benefit, or divulge or convey to any third party, any “Confidential Information”.  “Confidential Information” shall mean any confidential information with respect to the Business, including customer information, as well as methods of operation, customer lists, products, prices, fees, costs, technology, inventions, trade secrets, know-how, software, marketing methods, plans, personnel, suppliers, competitors, markets or other specialized information or proprietary matters.  Confidential Information does not include, and there shall be no obligation hereunder with respect to, information that (i) is generally available to the public on the date of this Agreement or (ii) becomes generally available to the public other than as a result of a disclosure not otherwise permissible hereunder.  Executive shall not have any obligation to keep confidential any Confidential Information if and to the extent disclosure thereof is specifically required by law; provided, however, that in the event disclosure is required by applicable law, Executive shall, to the extent reasonably possible, provide the chief executive officer of the Bank with prompt notice of such requirement prior to making any disclosure so that the Bank may seek an appropriate protective order. If Executive has previously signed a Confidentiality Agreement with the Bank, the provisions of such other Confidentiality Agreement shall apply in addition to the preceding provisions of this section.

4. The provisions of this Agreement shall inure to the benefit of any subsequent transferee of the Business or any substantial portion thereof, whether or not this Agreement is assigned to such transferee.

Exhibit 10.16

5. Executive agrees and acknowledges that the restrictions contained in this Agreement are reasonable in scope and duration, and are necessary to protect the legitimate business interests of the Bank.  

6. Executive further agrees and acknowledges that upon any breach by Executive of any part of this Agreement, Executive shall, upon demand by Bank, pay to Bank, the amount paid to Executive for the Units granted to Executive under the EBI Plan, plus interest measured from the date of payment to Executive for the Units, at an interest rate equal to the prime rate in effect on the date of payment to Executive for the Units.  In addition, any existing or outstanding grant of Units to Executive (whether vested or unvested) shall automatically be cancelled and terminated in the event Executive breaches any part of this Agreement.  And, in addition, in the event the Executive breaches the confidentiality agreements made or referenced in Section 3 hereof, the Bank may obtain an injunction or other appropriate order restraining any disclosure or use of Confidential Information, in addition to demanding the repayment of the amount paid to Executive for the Units (plus interest) as stated above in this section.

7. Each of the covenants in this Agreement is severable and is to be construed as independent of any other covenants or other provisions of this Agreement, and the invalidity of any provision shall not affect the validity of any other provision.  If any court of competent jurisdiction at any time deems the periods of restriction hereunder to be unreasonably lengthy or the geographical area to be too broad, and not fully enforceable, the other provisions of this Agreement will nevertheless stand and to the full extent consistent with applicable law continue in full force and effect, and it is the intention and desire of the Executive and the Bank that the court treat any provisions of this Agreement which are not fully enforceable as having been modified to the extent deemed necessary by the court to render them reasonable and enforceable and that the court or panel of arbitrators enforce them to such extent.

Dated: _________________.

EXECUTIVE:

x___________________________

Name (print) _________________

EX-10.17

Exhibit 10.17

AWARD AGREEMENT

FirstBank 2012 Equity Based Incentive Plan

THIS AWARD AGREEMENT (the “Agreement”) is made under the FIRSTBANK 2012 EQUITY BASED INCENTIVE PLAN, and is made, effective as of the 1^ST day of February, 2012 (the “Grant Date”), between FirstBank, a Tennessee corporation (the “Company”), and __________________________ (the “Participant”).

WITNESSETH:

WHEREAS, the Company maintains the FirstBank 2012 Equity Based Incentive Plan (the “Plan”), as it may hereafter be amended and continued, in order to attract and retain quality management personnel and provide its management or highly compensated employees with incentives to achieve long-term corporate objectives, and a copy of the Plan has been delivered to or made available to the Participant;

WHEREAS, the Participant is an officer or other key employee of the Company with responsibility for the management or administration of the Company’s business;

WHEREAS, the Company has determined to grant certain EBI Units as defined under the Plan to the Participant on the terms and conditions set forth below.

NOW, THEREFORE, in consideration of the various covenants and agreements herein contained, and intending to be legally bound hereby, the parties hereto agree as follows:

1. Award.

a. The Company hereby grants to Participant a total of __ Equity Based Incentive Plan Units (the “EBI Units”), which had a “fair market value per share of common stock of the Company” (as such term is defined in section 2(m) of the Plan) of $__ as of the December 31 preceding the Grant Date. This grant of EBI Units is subject to the terms, restrictions, and other conditions of this Agreement and the Plan. Additional restrictions that may be applicable to certain employees are set forth in Section 7 below. Any term used herein and not defined shall have the meaning given such term in the Plan.

b. The EBI Units will not have voting or dividend rights

Exhibit 10.17

2. Vesting.

a. Provided in each case that no termination of employment has occurred prior to the applicable date, the EBI Units shall become vested as follows:

Complete Years of Service Following Grant Date	Percentage Vested
1	0%
2	0%
3	100%

b. The Plan provides the following example of vesting:  “For example, if a Participant received a Grant of EBI Units on October 1, 2012, he or she would be 0% vested in those Units prior to September 30, 2015, and 100% vested on September 30, 2015.”

c. The Plan provides as follows regarding vesting:

“Any Award, or portion thereof, not 100% vested upon the date of a Participant’s termination (by resignation or dismissal) of employment with the Company, its Parent, or Subsidiaries of the Parent or Company will be forfeited, and no payment will be made thereon, except that, in the case of Retirement, death or Disability the EBI Units shall be deemed fully vested upon the date of such Retirement, death or Disability. If a Participant’s employment is terminated for Cause, the Participant shall forfeit any Award and all EBI Units, whether vested or unvested, or any portion thereof, outstanding as of the date of such termination of employment.”

d. Pursuant to the Plan: “Retirement” means termination of employment with the Company by a Participant who is age 65 or older, or by a younger Participant where the Chairman of the Board in his sole discretion deems to accept such termination as a Retirement.  And, “Disability” means the Participant is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months.

e. The Plan also provides for the full vesting of EBI Units upon the occurrence of a Change in Control as defined in the Plan.

f. Note that vested EBI Units are further subject to forfeiture if the Participant is an employee to whom certain CPP restrictions and forfeitures apply, as provided in section 7 of this Agreement.

Exhibit 10.17

g. In addition, the EBI Units are further subject to forfeiture (and paid EBI Units are subject to repayment) in the event that the Participant violates the Confidentiality, Non-Solicitation and Non-Competition Agreement which is set forth in Schedule A of this Award Agreement and a part hereof.

h. Except as specifically provided in the Plan with respect to Retirement, death or Disability, no EBI Units that are unvested at termination of employment shall thereafter become vested.

3. No Right to Continued Employment.

Nothing in this Agreement or in the Plan shall confer upon the Participant any right to continue in the employment or other service of the Company, the Parent or any Subsidiary or shall interfere with or restrict in any way the rights of the Company, the Parent or any Subsidiary, which are hereby expressly reserved, to discharge the Participant at any time for any reasons whatsoever, with or without cause.

4. Award Subject to Plan.

Notwithstanding anything in this Agreement to the contrary, the terms of this Agreement shall be subject to the terms of the Plan. In the event of any inconsistency between this Agreement and the Plan, the Plan shall control.

5. Award subject to Confidentiality, Non-Solicitation and Non-Competition Agreement.

Participant’s rights and benefits under this Plan are subject to the Confidentiality, Non-Solicitation and Non-Competition Agreement the Participant set forth in Schedule A, which Participant is required to sign as a condition to receipt of the Award.  Violating the terms of any such Agreement shall result in the Participant forfeiting benefits under this Plan and repaying any payments for the EBI Units.

6. Award subject to “For Cause Termination.”

Participant’s rights and benefits under the Plan (whether vested or unvested) shall be forfeited if: (i) Participant is indicted on a felony charge unless and until the charge is subsequently dismissed; (ii) Participant is convicted of a felony (or submits a nolo contendere plea to one); (iii) Participant’s performance while on or about the business of the Company is impaired by the use of alcohol, drugs, or other mind or behavior altering substances; (iv) Participant commits an act of fraud or dishonesty or knowingly permits another employee to commit an act of fraud or dishonest; or (v)Participant’s willful neglect of, or willful failure to perform his or her duties.

7. Award subject to restrictions imposed under the Capital Purchase Program. So long as FirstBank or its Parent is subject to restrictions under the Treasury Department’s Capital Purchase Program (“CPP”), Participant’s rights and benefits under the Plan, and any payments to Participant with respect to the EBI Units subject to this Agreement, are subject

Exhibit 10.17

to the restrictions imposed upon FirstBank and its parent corporation and affiliates under CPP.  The Plan provides that the CPP restrictions are applicable to Participants in the Plan who are restricted from receiving or accruing a bonus by section 30.10 of the Treasury Department’s Interim Final Rule on Compensation and Corporate Governance for TARP Recipients (a “CPP Restricted Participant”). (Therefore, based on the CPP restrictions, the following restrictions are applicable to the EBI Units awarded to any CPP Restricted Participant:  The EBI Units may not be transferable or payable at any time earlier than permitted under the following schedule (except as allowed under the CPP rules and regulations to reflect a merger or acquisition of the CPP recipient):

(i) 25% of the EBI Units at the time of repayment of 25% of the aggregate CPP financial assistance received.

(ii) An additional 25% of the EBI Units (for an aggregate total of 50% of the EBI Units granted) at the time of repayment of 50% of the aggregate CPP financial assistance received.

  (iii) An additional 25% of the EBI Units (for an aggregate total of 75% of the EBI Units granted) at the time of repayment of 75% of the aggregate CPP financial assistance received.

(iv) The remainder of the EBI Units at the time of repayment of 100% of the aggregate CPP financial assistance received.

In addition, the CPP Restricted Participant is required to forfeit the EBI Units if the CPP Restricted Participant does not continue performing substantial services for the Company for at least two years from the date of grant, other than due to the CPP Restricted Participant’s death or disability, or a “change in control event” (as such term is defined in the CPP rules and regulations, not the definition in the Plan), with respect to the CPP recipient before the second anniversary of the date of grant.

8. Payment.

The terms and conditions of payment with respect to the EBI Units are provided in the Plan and, if the Participant is a CPP Restricted Participant, also in section 7 of this Agreement.  To provide for administrative flexibility, the actual payment of amounts due under this Plan may be delayed by the Company until the end of the fiscal quarter in which the Payment Date occurs.

9. Miscellaneous.

a. This Agreement may be executed in one or more counterparts, all of which taken together will constitute one and the same instrument.

b. The terms of this Agreement may only be amended, modified, or waived by a written agreement executed by both of the parties hereto.

c. The validity, performance, construction, and effect of this Agreement shall be governed by and construed in accordance with the laws of the State of Tennessee, without regard to the conflict of laws thereof.  Exclusive jurisdiction and venue for any matter arising under this Agreement shall be in the state or federal courts sitting in Nashville, Tennessee.

Exhibit 10.17

d. This Agreement and the Plan constitute the entire agreement between the parties hereto with respect to the Award granted herein.

e. Except as otherwise herein provided, this Agreement shall be binding upon and shall inure to the benefit of the Company, its successors and assigns, and of Participant and Participant’s personal representatives.

f. Obligations of the Company under the Plan shall be unsecured and unfunded obligations, and the holders of Awards shall be general creditors of the Company.

IN WITNESS WHEREOF, the parties have executed this Agreement, effective as of the Grant Date.

FirstBank

By:

Name:

Title:

PARTICIPANT

Name:

Address:

Social Security Number:

Exhibit 10.17

SCHEDULE A

Confidentiality, Non-Solicitation, and Non-Competition Agreement.

The undersigned executive (“Executive”) of First Bank, a Tennessee banking corporation (the “Bank”), hereby makes the following agreements of non-competition, non-solicitation, and confidentiality, in consideration of and as a condition to the grant and payment of Units (the “Units”) under the Bank’s 2012 Equity Based Incentive Plan (“EBI Plan”):

1. During such time as the Executive is employed by the Bank or one of its subsidiaries, and for one year after termination of employment for any reason, Executive shall not, and shall cause his or her respective Affiliates not to, directly or indirectly, whether as an employee, independent contractor, principal, stockholder or equity-holder, consultant, financing source or otherwise, own, manage, operate, control or participate in the ownership, management, operation or control of any business, whether in corporate, proprietorship or partnership form or otherwise, engaged in the State of Tennessee in any facet of the business (herein called the “Business”) presently conducted by the Bank or its Affiliates; provided, however, that the restrictions contained in this section shall not restrict the acquisition by Executive, directly or indirectly, of less than five percent (5%) of the outstanding capital stock of any publicly traded company engaged in a business that competes with the Business.  

2. During the period from the date hereof until one year after the termination of employment with the Bank, Executive shall not, and shall cause his or her respective Affiliates not to, directly or indirectly: cause, solicit, induce or encourage any person who (a) is then employed by the Bank or its Affiliates in the operation of the Business, or (b) was, during the twenty-four (24) month period prior to the date at issue, employed by Bank or its Affiliates in the operation of the Business, to leave such employment or hire, employ or otherwise engage any such individual.  

3. During the period from the date hereof until the later of one year after the termination of employment with the Bank or such longer period as required by the Bank Secrecy Act, Executive shall not, at any time, use for his or her own benefit, or divulge or convey to any third party, any “Confidential Information”.  “Confidential Information” shall mean any confidential information with respect to the Business, including customer information, as well as methods of operation, customer lists, products, prices, fees, costs, technology, inventions, trade secrets, know-how, software, marketing methods, plans, personnel, suppliers, competitors, markets or other specialized information or proprietary matters.  Confidential Information does not include, and there shall be no obligation hereunder with respect to, information that (i) is generally available to the public on the date of this Agreement or (ii) becomes generally available to the public other than as a result of a disclosure not otherwise permissible hereunder.  Executive shall not have any obligation to keep confidential any Confidential Information if and to the extent disclosure thereof is specifically required by law; provided, however, that in the event disclosure is required by applicable law, Executive shall, to the extent reasonably possible, provide the chief executive officer of the Bank with prompt notice of such requirement prior to making any disclosure so that the Bank may seek an appropriate protective order. If Executive has previously signed a Confidentiality Agreement with the Bank, the provisions of such other Confidentiality Agreement shall apply in addition to the preceding provisions of this section.

4. The provisions of this Agreement shall inure to the benefit of any subsequent transferee of the Business or any substantial portion thereof, whether or not this Agreement is assigned to such transferee.

Exhibit 10.17

5. Executive agrees and acknowledges that the restrictions contained in this Agreement are reasonable in scope and duration, and are necessary to protect the legitimate business interests of the Bank.  

6. Executive further agrees and acknowledges that upon any breach by Executive of any part of this Agreement, Executive shall, upon demand by Bank, pay to Bank, the amount paid to Executive for the Units granted to Executive under the EBI Plan, plus interest measured from the date of payment to Executive for the Units, at an interest rate equal to the prime rate in effect on the date of payment to Executive for the Units.  In addition, any existing or outstanding grant of Units to Executive (whether vested or unvested) shall automatically be cancelled and terminated in the event Executive breaches any part of this Agreement.  And, in addition, in the event the Executive breaches the confidentiality agreements made or referenced in Section 3 hereof, the Bank may obtain an injunction or other appropriate order restraining any disclosure or use of Confidential Information, in addition to demanding the repayment of the amount paid to Executive for the Units (plus interest) as stated above in this section.

7. Each of the covenants in this Agreement is severable and is to be construed as independent of any other covenants or other provisions of this Agreement, and the invalidity of any provision shall not affect the validity of any other provision.  If any court of competent jurisdiction at any time deems the periods of restriction hereunder to be unreasonably lengthy or the geographical area to be too broad, and not fully enforceable, the other provisions of this Agreement will nevertheless stand and to the full extent consistent with applicable law continue in full force and effect, and it is the intention and desire of the Executive and the Bank that the court treat any provisions of this Agreement which are not fully enforceable as having been modified to the extent deemed necessary by the court to render them reasonable and enforceable and that the court or panel of arbitrators enforce them to such extent.

Dated: _________________.

EXECUTIVE:

x___________________________

Name (print) _________________

EX-10.18

Exhibit 10.18

AMENDMENTTOEBIUNITAWARDAGREEMENT

Participant:

NumberofEBIUnits: GrantDate:

ThisAmendment("Amendment")iseffectiveasofthe1stdayofMarch,2018,andamendsthat certainEBIUnitAwardAgreementbetween theEmployeeandFirstBank(the"Company")havingthetermssummarizedabove(the"EBIUnitAwardAgreement").Capitalizedtermsused butnototherwise definedinthisAmendmenthavethemeaninggiventosuchtermsintheEBIUnitAwardAgreement.

TheEBIUnitAwardAgreementshallbeamendedasprovidedbelow. 1.Section2shallbeamendedbyadding thefollowingnewsubsection(h):

"NotwithstandinganythinginthisAgreementorthePlantothecontrary,ifthe Participant'semploymentisterminatedwithoutCause,thentheEBIUnitsshallbecomefully­ vested,andshallotherwisepayoutinaccordancewiththetermsofthePlan."

2. Section2(g)(asrenumbered pertheadditionofnewsubsection(h)above)shallbedeleted  inits entiretyandreplacedwiththefollowing:

"g.ExceptasspecificallyprovidedinthePlanwithrespecttoRetirement,deathor Disability,orasprovidedhereinwithrespecttotheParticipant'sterminationwithoutCause,noEBIUnitsthatareunvestedatterminationofemploymentshallthereafterbecomevested."

3. TheEBIUnitAwardAgreement,asmodifiedbythetermsofthisAmendment,shallcontinueinfull forceandeffectfromandafterthedateof theadoptionofthisAmendment.

INWITNESSWHEREOF,FirstBank,actingbyandthroughitsdulyauthorizedofficers,hascausedthis Amendmenttobedulyexecuted.

FIRSTBANK

By: ChristopherT.Holmes Its:PresidentandCEO

LEGAL02/35l66968vI

Approved byCompensation Committeeon3.1.2018

EX-21

Exhibit 21

List of Subsidiaries

The following is a list of the subsidiaries of FB Financial Corporation including the name of each subsidiary and its jurisdiction of incorporation:

Name	Jurisdiction Where Organized
FirstBank	Tennessee
FirstBank Insurance, Inc. (1)	Tennessee
First Holdings, Inc. (1)	Tennessee
RE Holdings, Inc. (1)	Tennessee
Investors Title Company (1)	Tennessee
(1)   Subsidiary of First Bank

EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements on Forms S-3 (333-221149 and 333-218876) and Form S-8 (No. 333-213703) of FB Financial Corporation of our report dated March 16, 2018, relating to the consolidated financial statements of FB Financial Corporation, appearing in this Annual Report on Form 10-K of FB Financial Corporation for the year ended December 31, 2017.

/s/ RSM US LLP

Jacksonville, Florida
March 16, 2018

EX-31.1

EXHIBIT 31.1

FB FINANCIAL CORPORATION

CERTIFICATION PURSUANT TO RULE 13a-14 OR 15d-14 OF THE SECURITIES

EXCHANGE ACT OF 1934, AS AMENDED, AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Christopher T. Holmes, certify that:

1. I have reviewed this annual report on Form 10-K of FB Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)  Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: March 16, 2018

/s/ Christopher T. Holmes

-------------------------------

Christopher T. Holmes

Chief Executive Officer

(Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

FB FINANCIAL CORPORATION

CERTIFICATION PURSUANT TO RULE 13a-14 OR 15d-14 OF THE SECURITIES

EXCHANGE ACT OF 1934, AS AMENDED, AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, James R. Gordon, certify that:

1. I have reviewed this annual report on Form 10-K of FB Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)  Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: March 16, 2018

/s/ James R. Gordon

-------------------------------

James R. Gordon

Chief Financial Officer

(Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

FB FINANCIAL CORPORATION

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report on Form 10-K for the year ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), of FB Financial Corporation (the “Company”), each of the undersigned officers of the Company hereby certify,  in  their capacity as an executive officer of the Company,  pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of their knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:  March 16, 2018	/s/ Christopher T. Holmes
	Christopher T. Holmes
	Chief Executive Officer
	(Principal Executive Officer)
Date:  March 16, 2018	/s/ James R. Gordon
	James R. Gordon
	Chief Financial Officer
	(Principal Financial Officer)

XML

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Mar. 12, 2018	Jun. 30, 2017
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Trading Symbol	FBK
Entity Registrant Name	FB Financial Corp
Entity Central Index Key	0001649749
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		30,650,758
Entity Public Float			$ 417,600,000

XML

Consolidated balance sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and due from banks	$ 29,831	$ 50,157
Federal funds sold	66,127	13,037
Interest bearing deposits in financial institutions	23,793	73,133
Cash and cash equivalents	119,751	136,327
Investments:
Available-for-sale securities, at fair value	543,992	582,183
Federal Home Loan Bank stock, at cost	11,412	7,743
Loans held for sale, at fair value	526,185	507,442
Loans	3,166,911	1,848,784
Less: allowance for loan losses	24,041	21,747
Net loans	3,142,870	1,827,037
Premises and equipment, net	81,577	66,651
Other real estate owned, net	16,442	7,403
Interest receivable	13,069	7,241
Mortgage servicing rights	76,107	32,070
Goodwill	137,190	46,867
Core deposit and other intangibles, net	14,902	4,563
Other assets	44,216	51,354
Total assets	4,727,713	3,276,881
Demand deposits
Noninterest-bearing	888,200	697,072
Interest-bearing	1,909,546	1,449,382
Savings deposits	178,320	134,077
Customer time deposits	602,628	389,500
Brokered and internet time deposits	85,701	1,531
Total time deposits	688,329	391,031
Total deposits	3,664,395	2,671,562
Securities sold under agreements to repurchase	14,293	21,561
Short-term borrowings	190,000	150,000
Long-term debt	143,302	44,892
Accrued expenses and other liabilities	118,994	58,368
Total liabilities	4,130,984	2,946,383
Shareholders' equity:
Common stock, $1 par value per share; 75,000,000 shares authorized; 30,535,517 and 24,107,660 shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively	30,536	24,108
Additional paid-in capital	418,596	213,480
Retained earnings	147,449	93,784
Accumulated other comprehensive income (loss), net	148	(874)
Total shareholders' equity	596,729	330,498
Total liabilities and shareholders' equity	$ 4,727,713	$ 3,276,881

XML

Consolidated balance sheets (Parenthetical) - $ / shares	Dec. 31, 2017	Dec. 31, 2016
Statement Of Financial Position [Abstract]
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	30,535,517	24,107,660
Common stock, shares outstanding	30,535,517	24,107,660

XML

Consolidated statements of income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest income:
Interest and fees on loans	$ 153,969	$ 105,865	$ 87,723
Interest on securities
Taxable	10,084	10,646	11,783
Tax-exempt	4,006	3,372	2,808
Other	1,554	611	468
Total interest income	169,613	120,494	102,782
Deposits
Demand and savings accounts	9,272	5,413	4,733
Time deposits	3,759	1,929	1,559
Short-term borrowings	42	121	712
Long-term debt	3,269	2,081	1,906
Total interest expense	16,342	9,544	8,910
Net interest income	153,271	110,950	93,872
Provision for loan losses	(950)	(1,479)	(3,064)
Net interest income after provision for loan losses	154,221	112,429	96,936
Noninterest income:
Mortgage banking income	116,933	117,751	70,190
Service charges on deposit accounts	7,787	8,009	7,389
ATM and interchange fees	8,784	7,791	6,536
Investment services and trust income	3,949	3,337	3,260
Bargain purchase gain			2,794
Gain from securities, net	285	4,407	1,844
Gain (loss) on sales or write-downs of other real estate owned	774	1,282	(317)
Loss from other assets	(664)	(103)	(393)
Other income	3,733	2,211	1,077
Total noninterest income	141,581	144,685	92,380
Noninterest expenses:
Salaries, commissions and employee benefits	130,355	113,992	84,214
Occupancy and equipment expense	13,836	12,611	10,777
Legal and professional fees	5,737	3,514	3,355
Data processing	6,488	4,181	2,053
Merger and conversion	19,034	3,268	3,543
Amortization of core deposit and other intangibles	1,995	2,132	1,731
Amortization of mortgage servicing rights		8,321	2,601
Impairment of mortgage servicing rights		4,678	194
Loss on sale of mortgage servicing rights	249	4,447
Regulatory fees and deposit insurance assessments	2,049	1,952	2,190
Software license and maintenance fees	1,873	2,874	1,986
Advertising	12,957	10,608	8,062
Other expense	27,744	22,212	17,786
Total noninterest expense	222,317	194,790	138,492
Income before income taxes	73,485	62,324	50,824
Income tax expense (Note 15)	21,087	21,733	2,968
Net income	$ 52,398	$ 40,591	$ 47,856
Weighted average shares of common stock outstanding
Basic	27,627,228	19,165,182	17,180,000
Fully diluted	28,207,602	19,312,174	17,180,000
Earnings per share
Basic	$ 1.90	$ 2.12	$ 2.79
Fully diluted	$ 1.86	$ 2.10	$ 2.79
Pro Forma (C Corporation basis) (Note 15):
Income tax expense	$ 21,087	$ 22,902	$ 17,829
Net income	$ 52,398	$ 39,422	$ 32,995
Pro Forma Earnings per share
Basic	$ 1.90	$ 2.06	$ 1.92
Fully diluted	$ 1.86	$ 2.04	$ 1.92

XML

Consolidated statements of comprehensive income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 52,398	$ 40,591	$ 47,856
Other comprehensive income, net of tax:
Net change in unrealized loss (gain) in available-for-sale securities, net of taxes of $493, $5,309 and $(71)	1,162	778	(1,057)
Reclassification adjustment for (gain) on sale of securities included in net income, net of tax expenses of $112, $298, and $91	(173)	(4,109)	(1,753)
Net change in unrealized gain in hedging activities, net of taxes of $442, $-, and $-	685
Comprehensive income	$ 54,072	$ 37,260	$ 45,046

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Consolidated statements of comprehensive income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net change in unrealized gain (loss) in available for sale securities, tax	$ 493	$ 5,309	$ (71)
Reclassification adjustment for gain on sale of securities included in net income, tax	112	$ 298	$ 91
Net change in unrealized gain in hedging activities, tax	$ 442

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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income, Net
Balance at Dec. 31, 2014	$ 215,228	$ 17,180	$ 94,544	$ 98,237	$ 5,267
Net income	47,856			47,856
Other comprehensive income (loss), net of taxes	(2,810)				(2,810)
Cash dividends declared	(23,600)			(23,600)
Balance at Dec. 31, 2015	236,674	17,180	94,544	122,493	2,457
Net income	40,591			40,591
Other comprehensive income (loss), net of taxes	(3,331)				(3,331)
Common stock issued, net of offering costs	115,525	6,765	108,760
Conversion of cash to stock-settled awards for, Equity based incentive plans	2,388		2,388
Conversion of cash to stock-settled awards for, Deferred compensation plan	3,000		3,000
Stock based compensation expense	4,693		4,693
Restricted stock units vested and distributed, net of shares withheld	(271)	142	(413)
Shares issued under employee stock purchase program	529	21	508
Cash dividends declared	(69,300)			(69,300)
Balance at Dec. 31, 2016	330,498	24,108	213,480	93,784	(874)
Initial fair value election on mortgage servicingrights, net of taxes of $396 (See Note 1)	615			615
Net income	52,398			52,398
Other comprehensive income (loss), net of taxes	1,674				1,674
Reclassification of the income tax effects of the TaxCuts and Jobs Act to Retained earnings (Note 15)				652	(652)
Common stock issued, net of offering costs	152,721	4,807	147,914
Common stock issued in conjunction withacquisition of the Clayton Banks, net ofissuance costs (See Note 2)	52,284	1,521	50,763
Stock based compensation expense	6,760	18	6,742
Restricted stock units vested and distributed, net of shares withheld	(856)	63	(919)
Shares issued under employee stock purchase program	635	19	616
Balance at Dec. 31, 2017	$ 596,729	$ 30,536	$ 418,596	$ 147,449	$ 148

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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement Of Stockholders Equity [Abstract]
Cash dividends declared, per share	$ 396	$ 4.03	$ 1.37

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 52,398	$ 40,591	$ 47,856
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation expense	4,316	3,995	3,283
Amortization of core deposit and other intangibles	1,995	2,132	1,731
Capitalization of mortgage servicing rights	(58,984)	(46,070)	(26,474)
Amortization of mortgage servicing rights		8,321	2,601
Change in fair value of mortgage servicing rights	4,023
Impairment of mortgage servicing rights		4,678	194
Stock-based compensation expense	6,760	4,693
Provision for loan losses	(950)	(1,479)	(3,064)
Provision for mortgage loan repurchases	810	512	1,375
Accretion of yield on purchased loans	(5,419)	(3,538)	(493)
Accretion of discounts and amortization of premiums on securities, net	2,693	2,326	1,474
Bargain purchase gain			(2,794)
Gain from securities, net	(285)	(4,407)	(1,844)
Originations of loans held for sale	(6,331,458)	(4,671,561)	(2,757,463)
Proceeds from sale of loans held for sale	6,408,198	4,534,837	2,739,914
Gain on sale and change in fair value of loans held for sale	(107,189)	(115,485)	(65,947)
Loss (gain) on sale of mortgage servicing rights	249	(3,406)
Net gain or write-downs of other real estate owned	(774)	(1,282)	317
Gain on other assets	664	103	393
Provision for deferred income taxes	6,458	9,257	1,647
Changes in:
Other assets and interest receivable	6,478	(24,730)	(1,301)
Accrued expenses and other liabilities	47,627	15,312	12,820
Net cash provided by (used in) operating activities	37,610	(245,201)	(45,775)
Activity in available-for-sale securities:
Sales	94,743	271,148	194,611
Maturities, prepayments and calls	83,344	104,368	103,233
Purchases	(81,353)	(316,384)	(164,864)
Net increase in loans	(241,379)	(127,949)	(206,670)
Proceeds from sale of mortgage servicing rights	11,686	34,118
Purchases of premises and equipment	(4,545)	(4,784)	(5,918)
Proceeds from the sale of premises and equipment	39	46	17
Proceeds from the sale of other real estate owned	5,438	6,696	3,774
Net cash (paid) received in business combination	(135,141)		23,995
Net cash used in investing activities	(267,168)	(32,741)	(51,822)
Cash flows from financing activities:
Net increase in demand and savings deposits	14,682	167,616	306,360
Net (decrease) increase in time deposits	(1,367)	65,472	(37,671)
Net decrease in securities sold under agreements to repurchase	(7,268)	(83,572)	(8,361)
Increase (decrease) in short-term borrowings	23,767	132,000	(81,378)
Increase (decrease) in long-term debt	29,812	(11,724)	(8,234)
Net proceeds from sale of common stock	153,356	116,054
Dividends paid		(69,300)	(25,350)
Net cash provided by financing activities	212,982	316,546	145,366
Net change in cash and cash equivalents	(16,576)	38,604	47,769
Cash and cash equivalents at beginning of the period	136,327	97,723	49,954
Cash and cash equivalents at end of the period	119,751	136,327	97,723
Supplemental cash flow information:
Interest paid	15,470	9,474	8,985
Taxes paid	22,292	1,307	1,754
Supplemental noncash disclosures:
Transfers from loans to other real estate owned	3,605	2,724	4,085
Transfers from other real estate owned to loans	256	1,548	785
Transfers from loans held for sale to loans	11,706	17,963	$ 5,045
Rebooked GNMA loans under optional repurchase program	43,035
Stock consideration paid in business combination	52,284
Conversion of cash-settled to stock settled compensation		$ 5,388
Trade date payable - securities	348
Fair value election of mortgage servicing rights	$ 1,011

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Basis of Presentation

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Basis of presentation

Note (1)—Basis of presentation:

(A) Organization:

FB Financial Corporation (the “Company”), a bank holding company, and its wholly-owned subsidiary, FirstBank (the “Bank”), are engaged in the business of banking and headquartered in Nashville, Tennessee. The Bank provides a full range of financial services to individual, corporate and public customers throughout Tennessee, north Alabama, and north Georgia and operates a national mortgage business with office locations across the Southeast, which primarily originate loans to be sold in the secondary market.

On September 18, 2015, the Company completed its acquisition of Northwest Georgia Bank (“NWGB”), which added locations in Ringgold, Georgia and Catoosa County, Georgia and additional locations in Chattanooga, Tennessee. On July 31, 2017, the Bank completed its previously announced acquisitions of Clayton Bank and Trust and American City Bank, headquartered in Knoxville, Tennessee and Tullahoma, Tennessee, respectively. The financial condition and results of operation for the acquired banks are included in the Company’s consolidated financial statements since the acquisition dates. See Note 2, “Mergers and acquisitions” in the notes to the consolidated financial statements for further details regarding the terms and conditions of these acquisitions.

Effective March 8, 2016, the company formerly known as First South Bancorp, Inc. legally changed its name to FB Financial Corporation.

The Bank is subject to competition from other financial services companies and financial institutions. The Company and the Bank are also subject to the regulations of certain federal and state agencies and undergo periodic examinations by those regulatory authorities.

On June 28, 2016, the Company declared a 100-for-1 stock split, increasing the number of issued and authorized shares from 171,800 to 17,180,000 and 250,000 to 25,000,000, respectively. Additional shares issued as a result of the stock split were distributed immediately upon issuance to the shareholder on that date. Share and per share amounts included in the consolidated financial statements and notes thereto reflect the effect of the split for all periods presented. Additionally, in July 2016, the Company increased the authorized shares from 25,000,000 to 75,000,000.

On August 19, 2016, the Company filed a Registration Statement on Form S-1 with the Securities and Exchange Commission (“SEC”) which was declared effective by the SEC on September 15, 2016. The Company sold and issued 6,764,704 shares of common stock at $19 per share pursuant to that Registration Statement. Total proceeds received by the Company, net of offering costs, were approximately $115,525. The proceeds were used to fund a $55,000 distribution to the majority shareholder representing undistributed earnings previously taxed to him under subchapter S, and used to repay all $10,075 aggregate principal amount of subordinated notes held by the majority shareholder, plus any accrued and unpaid interest thereon.

As of December 31, 2017 and 2016, the Company is considered a “controlled company” and is controlled by the Company’s Executive Chairman and former sole shareholder, James W. Ayers.

The Company qualifies as an “emerging growth company” as defined by the Jumpstart Our Business Startups Act (“JOBS Act”).

The Company terminated its S-Corporation status and became a taxable corporate entity (“C Corporation”) on September 16, 2016 in connection with its initial public offering. Unaudited pro forma amounts for income tax expense and basic and diluted earnings per share have been presented assuming the Company’s pro forma effective tax rate of 36.75% for the year ended December 31, 2016 and 35.08% for the year ended December 31, 2015, as if it had been a C Corporation during those periods.

On May 26, 2017, the Company entered into Securities Purchase Agreements (the “Securities Purchase Agreements”) with accredited investors (the “Purchasers”) pursuant to which the Company agreed to sell in a private placement (the “Private Placement”) an aggregate of 4,806,710 shares of the Company’s common stock, par value $1.00 (the “Private Placement Shares”), at a purchase price of $33.00 per share. Total proceeds received from the sale of such Private Placement Shares, net of placement agent and other offering costs of $5,901, were approximately $152,721.

(B) Basis of presentation:

The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America and general banking industry. In preparing the financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and the reported results of operations for the year then ended.

Actual results could differ significantly from those estimates. Material estimates that are particularly susceptible to significant changes in the near term relate to the determination of the allowance for loan losses, investment securities determination of other-than-temporary impairment (“OTTI”), the determination of fair value in business combinations, the valuation of other real estate owned, and the determination of the fair value of financial instruments, loans held for sale and mortgage servicing rights. In connection with the determination of the estimated fair value of other real estate owned and impaired loans, management obtains independent appraisals for significant properties.

The consolidated financial statements include the accounts of the Company, the Bank, and its’ wholly-owned subsidiaries, FirstBank Insurance, Inc., First Holdings, Inc., RE Holdings, Inc., and Investors Title Company. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain prior period amounts have been reclassified to conform to the current period presentation without any impact on the reported amounts of net income or shareholders’ equity.

(C) Cash flows:

For purposes of reporting consolidated cash flows, cash and cash equivalents include cash on hand, amounts due from banks, federal funds sold and interest earning deposits in other financial institutions with maturities of less than 90 days at the date of purchase. These amounts are reported in the consolidated balance sheets caption “Cash and cash equivalents.” Net cash flows are reported for loans held for investment, deposits, repurchase agreements, federal funds sold, and short-term borrowings.

(D) Cash and cash equivalents:

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash and cash equivalents.

(E) Investment securities:

Debt securities are classified as held to maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they might be sold before maturity. Equity securities with readily determinable fair values are classified as available-for-sale. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income, net of applicable taxes.

Interest income includes the amortization and accretion of purchase premium and discount. Premiums and discounts on securities are amortized on the level-yield method anticipating prepayments based upon the prior three month average monthly prepayments when available. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

The Company evaluates securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. For securities in an unrealized loss position, consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, and the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. In analyzing an issuer’s financial condition, the Company considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition.

When OTTI is determined to have occurred, the amount of the OTTI recognized in earnings depends on whether we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. If we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the OTTI recognized in earnings is equal to the entire difference between its amortized cost basis and its fair value at the date it was determined to be OTTI. If we do not intend to sell the security and it is not more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the OTTI is separated into the amount representing the credit loss and the amount related to all other factors. The amount of the total related to the credit loss is determined based on the present value of cash flows expected to be collected and is recognized as a charge to earnings. The amount of the OTTI related to other factors is recognized in other comprehensive income, net of applicable taxes. The previous amortized cost basis less the OTTI recognized in earnings becomes the new amortized cost basis of the investment. During the year ended December 31, 2017, the Company recorded OTTI amounting to $945 as discussed in Note 4.

(F) Loans held for sale:

Loans originated and intended for sale in the secondary market, primarily mortgage loans, are carried at fair value as permitted under the guidance in ASC 825, “Financial Instruments” (“ASC 825”). Net (losses) gains of $9,111, $(2,289), and $2,257 resulting from fair value changes of these mortgage loans were recorded in income during 2017, 2016, and 2015, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both mortgage loans held for sale and the related derivative instruments are recorded in “Mortgage banking income” in the Consolidated Statements of Income. Gains and losses are recognized in Mortgage banking income on the consolidated statements of income at the time the loan is closed. Pass through origination costs and related loan fees are also included in “Mortgage banking income”. Effective December 31, 2017, the Company adopted a change in accounting policy to recognize revenue on Best Efforts deliveries and accrue commissions at the time of the interest rate lock commitment.  Management believes this treatment better correlates and streamlines the revenue and expenses of mortgage sale delivery methods.

Periodically, the Bank will transfer mortgage loans originated for sale in the secondary markets into the loan portfolio based on current market conditions, the overall secondary marketability of the loan and the status of the loan. During 2017, 2016 and 2015, the Bank transferred approximately $11,706, $18,000, and $5,000, respectively, of residential mortgage loans into its portfolio. The loans are transferred into the portfolio at fair value at the date of transfer.

Government National Mortgage Association (GNMA) optional repurchase programs allow financial institutions to buy back individual delinquent mortgage loans that meet certain criteria from the securitized loan pool for which the institution provides servicing and was the original transferor. At the servicer’s option and without GNMA’s prior authorization, the servicer may repurchase such a delinquent loan for an amount equal to 100 percent of the remaining principal balance of the loan. Under FASB ASC Topic 860, “Transfers and Servicing,” this buy-back option is considered a conditional option until the delinquency criteria are met, at which time the option becomes unconditional. When the Company is deemed to have regained effective control over these loans under the unconditional buy-back option and the expected benefit of the potential buy-back is more than trivial, the loans can no longer be reported as sold and must be brought back onto the balance sheet as loans held for sale, regardless of whether the Company intends to exercise the buy-back option. These loans are reported as loans held for sale with the offsetting liability being reported in other liabilities. At December 31, 2017, rebooked GNMA loans held for sale amounted to $43,035. Amounts related to prior periods were not significant. The fair value option election does not apply to the GNMA optional repurchase loans which do not meet the requirements under FASB ASC Topic 825 to be accounted for under the fair value option.

(G) Loans (excluding purchased credit impaired loans):

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or pay-off are stated at the principal amount outstanding. Interest on loans is recognized as income by using the simple interest method on daily balances of the principal amount outstanding.

Loans on which the accrual of interest has been discontinued are designated as nonaccrual loans. Accrual of interest is discontinued on loans past due 90 days or more unless the credit is well secured and in the process of collection. Also, a loan may be placed on nonaccrual status prior to becoming past due 90 days if management believes, after considering economic and business conditions and collection efforts, that the borrower’s financial condition is such that collection of principal or interest is doubtful. The decision to place a loan on nonaccrual status prior to becoming past due 90 days is based on an evaluation of the borrower’s financial condition, collateral liquidation value, economic and business conditions and other factors that affect the borrower’s ability to pay. When a loan is placed on nonaccrual status, the accrued but unpaid interest is charged against current period operations. Thereafter, interest on nonaccrual loans is recognized only as received if future collection of principal is probable. If the collectability of outstanding principal is doubtful, interest received is applied as a reduction of principal. A loan may be restored to accrual status when principal and interest are no longer past due or it otherwise becomes both well secured and collectability is reasonably assured.

(H) Allowance for loan losses:

The allowance for loan losses is a valuation allowance for probable incurred credit losses. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. Management estimates the allowance balance required using past loan loss experience, the nature and volume of the portfolio, information about specific borrower situations and estimated collateral values, economic conditions, and other factors. Allocations of the allowance may be made for specific loans, but the entire allowance is available for any loan that, in management’s judgment, should be charged off.

Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

Commercial and commercial real estate loans over $250 are individually evaluated for impairment. If a loan is impaired, a portion of the allowance is allocated so that the loan is reported, net, at the present value of estimated future cash flows using the loan’s existing rate or at the fair value of collateral if repayment is expected solely from the collateral. Large groups of smaller balance homogeneous loans, such as consumer, residential real estate loans, commercial and commercial real estate loans less than $250 are collectively evaluated for impairment, and accordingly, they are not separately identified for impairment disclosures.

Loans for which the terms have been modified resulting in a concession, and for which the borrower is experiencing financial difficulties, are considered troubled debt restructurings (“TDRs”) and classified as impaired. TDRs are separately identified for impairment disclosures and are measured at the present value of estimated future cash flows using the loan’s effective rate at inception. If a TDR is considered to be a collateral dependent loan, the loan is reported, net, at the fair value of the collateral.

The general component covers non-impaired loans and is based on historical loss experience adjusted for current factors. The historical loss experience is determined by portfolio segment and is based on the actual loss history experienced by the Company over the most recent 5 years. This actual loss experience is supplemented with other economic factors based on the risks present for each portfolio segment. These economic factors include consideration of the following: levels of and trends in delinquencies and impaired loans; levels of and trends in charge-offs and recoveries; trends in volume and terms of loans; effects of any changes in risk selection and underwriting standards; other changes in lending policies, procedures, and practices; experience, ability, and depth of lending management and other relevant staff; national and local economic trends and conditions; industry conditions; and effects of changes in credit concentrations.

The following portfolio segments have been identified:

Commercial and industrial loans. The Company provides a mix of variable and fixed rate commercial and industrial loans. Commercial and industrial loans are typically made to small- and medium-sized manufacturing, wholesale, retail and service businesses for working capital and operating needs and business expansions, including the purchase of capital equipment and loans made to farmers relating to their operations. This category also includes loans secured by manufactured housing receivables. Commercial and industrial loans generally include lines of credit and loans with maturities of five years or less. The loans are generally made with operating cash flows as the primary source of repayment, but may also include collateralization by inventory, accounts receivable, equipment and/or personal guarantees. The ability of the borrower to collect accounts receivable, and to turn inventory into sales are risk factors in the repayment of the loan.

Construction loans. Construction loans include commercial construction, land acquisition and land development loans and single-family interim construction loans to small- and medium-sized businesses and individuals. These loans are generally secured by the land or the real property being built and are made based on our assessment of the value of the property on an as-completed basis. We expect to continue to make construction loans at a similar pace so long as demand continues and the market for and values of such properties remain stable or continue to improve in our markets. These loans can carry risk of repayment when projects incur cost overruns, have an increase in the price of building materials, encounter zoning and environmental issues, or encounter other factors that may affect the completion of a project on time and on budget. Additionally, repayment risk may be negatively impacted when the market experiences a deterioration in the value of real estate.

Residential real estate 1-4 family mortgage loans. The Company’s residential real estate 1-4 family mortgage loans are primarily made with respect to and secured by single family homes, which are both owner-occupied and investor owned and include manufactured homes with real estate. The Company intends to continue to make residential 1-4 family housing loans at a similar pace, so long as housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. First lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate.

Residential line of credit loans. The Company’s residential line of credit loans are primarily revolving, open-end lines of credit secured by 1-4 residential properties. The Company intends to continue to make home equity loans if housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. Second lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate.

Multi-family residential loans. The Company’s multi-family residential loans are primarily secured by multi-family properties, such as apartments and condominium buildings. These loans may be affected by unemployment or underemployment and deteriorating market values of real estate.

Commercial real estate loans. The Company’s commercial real estate owner-occupied loans include loans to finance commercial real estate owner occupied properties for various purposes including use as offices, warehouses, production facilities, health care facilities, retail centers, restaurants, churches and agricultural based facilities. Commercial real estate owner-occupied loans are typically repaid through the ongoing business operations of the borrower, and hence are dependent on the success of the underlying business for repayment and are more exposed to general economic conditions.

Commercial real estate non-owner occupied loans. The Company’s commercial real estate non-owner occupied loans include loans to finance commercial real estate non-owner occupied investment properties for various purposes including use as offices, warehouses, health care facilities, hotels, mixed-use residential/commercial, manufactured housing communities, retail centers, assisted living facilities and agricultural based facilities. Commercial real estate non-owner occupied loans are typically repaid with the funds received from the sale of the completed property or rental proceeds from such property, and are therefore more sensitive to adverse conditions in the real estate market, which can also affected by general economic conditions.

Consumer and other loans. The Company’s consumer and other loans include loans to individuals for personal, family and household purposes, including car, boat and other recreational vehicle loans, manufactured homes without real estate, and personal lines of credit.   Consumer loans are generally secured by vehicles and other household goods. The collateral securing consumer loans may depreciate over time. The company seeks to minimize these risks through its underwriting standards. Other loans also include loans to states and political subdivisions in the U.S. These loans are generally subject to the risk that the borrowing municipality or political subdivision may lose a significant portion of its tax base or that the project for which the loan was made may produce inadequate revenue.

(I) Business combinations, accounting for acquired loans and related assets:

Business combinations are accounted for by applying the acquisition method in accordance with ASC 805, “Business Combinations” (“ASC 805”). Under the acquisition method, identifiable assets acquired and liabilities assumed and any non-controlling interest in the acquiree at the acquisition date are measured at their fair values as of that date. Any excess of the purchase price over fair value of net assets acquired is recorded as goodwill. To the extent the fair value of net assets acquired, including any other identifiable intangible assets, exceed the purchase price, a bargain purchase gain is recognized. Results of operations of the acquired entities are included in the Consolidated Statements of Income from the date of acquisition.

Loans acquired in business combinations with evidence of credit deterioration since origination and for which it is probable that all contractually required payments will not be collected are considered to be credit-impaired. Purchased credit-impaired loans (“PCI” loans) are accounted for under the accounting guidance for loans and debt securities acquired with deteriorated credit quality, in accordance with ASC 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality” (“ASC 310-30”), and initially measured at fair value, which includes estimated future credit losses expected to be incurred over the life of the loans. Increases in expected cash flows to be collected on these loans are recognized as an adjustment of the loan’s yield over its remaining life, while decreases in expected cash flows are recognized as an impairment. As a result, related discounts are recognized subsequently through accretion based on the expected cash flow of the acquired loans.

(J) Premises and equipment:

Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation. Provisions for depreciation are computed principally on the straight-line method and are charged to occupancy expense over the estimated useful lives of the assets. Maintenance agreements are amortized to expense over the period of time covered by the agreement. Costs of major additions, replacements or improvements are capitalized while expenditures for maintenance and repairs are charged to expense as incurred.

For financial statement purposes, the estimated useful life for premises is forty years, for furniture and fixtures the estimated useful life is seven to ten years, for leasehold improvements the estimated useful life is the lesser of twenty years or the term of the lease and for equipment the estimated useful life is three to seven years.

(K) Other real estate owned:

Real estate acquired through, or in lieu of, loan foreclosure is initially recorded at fair value less the estimated cost to sell at the date of foreclosure which may establish a new cost basis. After foreclosure, valuations are periodically performed by management and the asset is carried at the lower of carrying amount or fair value less costs to sell. Revenue and expenses from operations are included in other noninterest income and noninterest expenses. Losses due to the valuation of the property are included in (gain) loss on sales or write-downs of foreclosed assets.

(L) Mortgage servicing rights:

The Company retains the right to service certain mortgage loans that it sells to secondary market investors. The retained mortgage servicing right is initially recorded at the fair value of future net cash flows expected to be realized for performing servicing activities. These mortgage servicing rights are recognized as a separate asset on the date the corresponding mortgage loan is sold.

In periods prior to 2017, mortgage servicing rights were amortized in proportion to and over the period of estimated net servicing income. These servicing rights were carried at the lower of amortized cost or fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs, and other factors. Mortgage servicing rights were carried at amortized cost less the reserve for impairment at December 31, 2016. Impairment losses on mortgage servicing rights were recognized to the extent by which the unamortized cost exceeded fair value. Impairment losses on mortgage servicing rights of $4,678 and $194 were recognized in earnings during the years ended December 31, 2016 and 2015, respectively.

As of January 1, 2017, the Company elected to account for its mortgage servicing rights under the fair value option as permitted under ASC 860-50-35, Transfers and Servicing. The change in accounting policy resulted in a one-time adjustment to retained earnings of $615 for the after-tax increase in fair value above book value at January 1, 2017. Subsequent changes in fair value are recorded in earnings in Mortgage banking income.

(M) Transfers of financial assets:

Transfers of financial assets are accounted for as sales, when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

(N) Goodwill and other intangibles:

Goodwill represents the excess of the cost of an acquisition over the fair value of the net assets acquired. Goodwill impairment testing is performed annually or more frequently if events or circumstances indicate possible impairment. Goodwill is assigned to the Company’s reporting units, Banking or Mortgage as applicable. See Note 2, “Mergers and acquisitions” for information related to the goodwill recorded in the Bank’s acquisitions of Clayton Bank and Trust and American City Bank. As discussed in Note 21, the Company realigned its segment reporting structure during the year ended December 31, 2016. As a result, our reporting units have been adjusted to reflect this change from geographic-based reporting units to business segment reporting units. Goodwill is evaluated for impairment by either performing a qualitative evaluation or a two-step quantitative test. The qualitative evaluation is an assessment of factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount, including goodwill.  If an entity does a qualitative assessment and determines that it is not more likely than not the fair value of a reporting unit is less than its carrying amount, then goodwill of the reporting unit is not considered impaired, and it is not necessary to continue to the two-step goodwill impairment test. If the estimated implied fair value of goodwill is less than the carrying amount, an impairment loss would be recognized as noninterest expense to reduce the carrying amount to the estimated implied fair value which could be material to our operating results for any particular reporting period. No impairment was identified through the quantitative annual assessment for impairment performed as of December 31, 2017. Additionally, qualitative and quantitative assessments were performed for the years ended December 31, 2016 and 2015, respectively, and no impairment was identified.

Other intangible assets consist of core deposit intangible assets arising from whole bank and branch acquisitions in addition to an operating lease intangible, customer Trust intangible and manufactured housing servicing intangible recorded in conjunction with the acquisition of the Clayton Banks completed on July 31, 2017 (see Note 2). All intangible assets are initially measured at fair value and then amortized over their estimated useful lives.

(O) Income taxes:

Prior to September 16, 2016, the Company was taxed under the provisions of subchapter S of the Internal Revenue Code.  Under these provisions, the Company did not pay corporate federal income taxes on its taxable income but was liable for Tennessee corporate income taxes. Instead, the shareholder was liable for individual income taxes on the Company’s taxable income.  The Company and the Bank file consolidated federal and state income tax returns.

Unaudited pro forma amounts for income tax expense and basic and diluted earnings per share have been presented assuming the Company’s pro forma effective tax rate of 36.75% for the year ended December 31, 2016 and 35.08% for the year ended December 31, 2015, as if it had been a C corporation during those periods. In addition, the unaudited pro forma results for the year ended December 31, 2016 excludes the effect of recognition of the deferred tax liability attributable to conversion of $13,181 as discussed in Note 15.

Income tax expense is the total of the current year income tax due and the change in deferred tax assets and liabilities. Deferred tax assets and liabilities are the expected future tax amounts for the temporary differences between carrying amounts and tax bases of assets and liabilities, computed using enacted tax rates. A valuation allowance, if needed, reduces deferred tax assets to the amount expected to be realized. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. See Note 15, “Income taxes” for information related to the impact of the Tax Cuts and Jobs Act signed into law on December 22, 2017.

A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.

The Company’s policy is to recognize interest and penalties on uncertain tax positions in “Income tax expense” in the Consolidated Statements of Income. There were no amounts related to interest and penalties recognized for the years ended December 31, 2017, 2016 or 2015.

(P) Long-lived assets:

Premises and equipment, core deposit intangible assets, and other long-lived assets are reviewed for impairment when events indicate their carrying amount may not be recoverable from future undiscounted cash flows. If impaired, the assets are recorded at fair value. No long-lived assets were deemed to be impaired at December 31, 2017 and 2016.

(Q) Off-balance sheet financial instruments:

Financial instruments include off-balance sheet credit instruments, such as commitments to make loans and commercial letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded, unless considered derivatives.

(R) Derivative financial instruments and hedging activities:

All derivative financial instruments are recorded at their fair values in other assets or other liabilities in the consolidated balance sheets in accordance with ASC 815, “Derivatives and Hedging.” If derivative financial instruments are designated as hedges of fair values, both the change in the fair value of the hedge and the hedged item are included in current earnings. If derivative financial instruments are not designated as hedges, only the change in the fair value of the derivative instrument is included in current earnings.

Cash flow hedges are utilized to mitigate the exposure to variability in expected future cash flows or other types of forecasted transactions. For the Company’s derivatives designated as cash flow hedges, changes in the fair value of cash flow hedges are, to the extent that the hedging relationship is effective, recorded as other comprehensive income and are subsequently recognized in earnings at the same time that the hedged item is recognized in earnings. The ineffective portions of the changes in fair value of the hedging instruments are immediately recognized in earnings. The assessment of the effectiveness of the hedging relationship is evaluated under the hypothetical derivative method.  

The Company also utilizes derivative instruments that are not designated as hedging instruments. The Company enters into interest rate cap and/or floor agreements with its customers and then enters into an offsetting derivative contract position with other financial institutions to mitigate the interest rate risk associated with these customer contracts. Because these derivative instruments are not designated as hedging instruments, changes in the fair value of the derivative instruments are recognized currently in earnings.

The Company enters into commitments to originate loans whereby the interest rate on the loan is determined prior to funding (rate-lock commitments). Rate-lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Accordingly, such commitments, along with any related fees received from potential borrowers, are recorded at fair value in other assets or liabilities, with changes in fair value recorded in the line item “Mortgage banking income” on the Consolidated Statements of Income. Fair value is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered.

The Company utilizes forward loan sale contracts and forward sales of residential mortgage-backed securities to mitigate the interest rate risk inherent in the Company’s mortgage loan pipeline and held-for-sale portfolio. Forward sale contracts are contracts for delayed delivery of mortgage loans or a group of loans pooled as mortgage-backed securities. The Company agrees to deliver on a specified future date, a specified instrument, at a specified price or yield. However, the contract may allow for cash settlement. The credit risk inherent to the Company arises from the potential inability of counterparties to meet the terms of their contracts. In the event of non-acceptance by the counterparty, the Company would be subject to the credit and inherent (or market) risk of the loans retained. Such contracts are accounted for as derivatives and, along with related fees paid to investor are recorded at fair value in derivative assets or liabilities, with changes in fair value recorded in the line item “Mortgage banking income” on the Consolidated Statements of Income. Fair value is based on the estimated amounts that the Company would receive or pay to terminate the commitment at the reporting date.

The Company utilizes two methods to deliver mortgage loans sold to an investor. Under a “best efforts” sales agreement, the Company enters into a sales agreement with an investor in the secondary market to sell the loan when an interest rate-lock commitment is entered into with a customer, as described above. Under a “best efforts” sales agreement, the Company is obligated to sell the mortgage loan to the investor only if the loan is closed and funded. Thus, the Company will not incur any liability to an investor if the mortgage loan commitment in the pipeline fails to close. The Company also utilizes “mandatory delivery” sales agreements. Under a mandatory delivery sales agreement, the Company commits to deliver a certain principal amount of mortgage loans to an investor at a specified price and delivery date. Penalties are paid to the investor should the Company fail to satisfy the contract. Mandatory commitments are recorded at fair value in the Company’s Consolidated Balance Sheets. Gains and losses arising from changes in the valuation of these commitments are recognized currently in earnings and are reflected under the line item “Other noninterest income” on the Consolidated Statements of Income.

(S) Comprehensive income:

Comprehensive income consists of net income and other comprehensive income. Other comprehensive income includes unrealized gains and losses on available-for-sale securities and derivatives designated as cash flow hedges, net of taxes.

(T) Loss contingencies:

Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on the financial statements.

(U) Securities sold under agreements to repurchase:

The Company routinely sells securities to certain customers and then repurchases the securities the next business day. Securities sold under agreements to repurchase are reflected in the consolidated balance sheets at the amount of cash received in connection with each transaction. These are secured liabilities and are not covered by the Federal Deposit Insurance Corporation.

(V) Advertising expense:

Advertising costs, including costs related to internet mortgage marketing and related costs, are expensed as incurred. For the years ended December 31, 2017, 2016 and 2015, advertising costs were $12,957, $10,608 and $8,062, respectively.

(W) Earnings per common share:

Basic earnings per common share are net income divided by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under the restricted stock units granted but not yet vested and distributable. Unearned compensation plus assumed proceeds from the applicable tax benefits are used to repurchase common stock at the average market price. There were no dilutive instruments outstanding during the year ended December 31, 2015; therefore, diluted net income per common share is the same as basic net income per share.

The following is a summary of the basic and diluted earnings per common share calculation for each of the periods presented:

	December 31,
	2017		2016		2015
Basic earnings per share calculation:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Basic earnings per share	$	1.90	$	2.12	$	2.79
Diluted earnings per share:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Average diluted common shares outstanding		580,374		146,992		—
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Diluted earnings per share	$	1.86	$	2.10	$	2.79
Pro forma earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Pro forma basic earnings per share	$	1.90	$	2.06	$	1.92
Pro forma diluted earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Pro forma diluted earnings per share	$	1.86	$	2.04	$	1.92

(X) Segment reporting:

The Company’s Mortgage division represents a distinct reportable segment which differs from the Company’s primary business of Banking. Accordingly, a reconciliation of reportable segment revenues, expenses and profit to the Company’s consolidated total has been presented in Note 21.

(Y) Stock-based compensation

Stock-based compensation expense is recognized in accordance with ASC 718-20, “Compensation – Stock Compensation Awards Classified as Equity”. Expense is recognized based on the fair value of the portion of stock-based payment awards that are ultimately expected to vest, reduced for estimated forfeitures based on grant-date fair value. The restricted stock unit awards are amortized over the required service period, if any. 

(Z) Recent Accounting Pronouncements

In May 2014, the FASB issued an update to Accounting Standards Update (“ASU”) No. 2014-09, “Revenue from Contracts with Customers” (FASB Topic 606). The guidance in this update affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The guidance provides steps to follow to achieve the core principle. An entity should disclose sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. Qualitative and quantitative information is required about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. The amendments in this update are effective for interim and annual reporting periods beginning after December 15, 2017. The Company's revenue is comprised of interest income on financial assets, which is excluded from the scope of this new guidance, and non-interest income. The Company adopted this new guidance on January 1, 2018, and it will not have a significant impact on the Company's financial condition, results of operations or EPS.

In September 2015, the FASB issued ASU 2015-16, “Simplifying the Accounting for Measurement-Period Adjustments.” The update requires acquirers to adjust provisional amounts identified during the measurement period in the reporting period in which the adjustments are determined, rather than retrospectively adjusting previously reported information. Additional disclosure of the impact of measurement period adjustments on current year earnings will also be required. For public business entities, the amendments of this update were effective for interim and annual periods beginning after December 15, 2015. The Company elected to early adopt this ASU for the year ended December 31, 2015. The adoption of this ASU did not have a material impact on the Company’s financial position, results of operation, or earnings per share (“EPS”).

In January 2016, the FASB released ASU 2016-01, “Recognition and Measurement of Financial Assets and Liabilities.” The main provisions of the update are to eliminate the available for sale classification of accounting for equity securities and adjust the fair value disclosures for financial instruments carried at amortized cost such that the disclosed fair values represent an exit price as opposed to an entry price. The provisions of this update will require that equity securities be carried at fair market value on the balance sheet and any periodic changes in value will be adjustments to the income statement. A practical expedient is provided for equity securities without a readily determinable fair value such that these securities can be carried at cost less any impairment. The Company adopted this new guidance on January 1, 2018, and it will not have a significant impact on the Company’s financial position, results of operation, or EPS.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The update will require lessees to recognize right-of-use assets and lease liabilities for all leases not considered short term leases. The provisions of the update also include (a) defining direct costs to only include those incremental costs that would not have been incurred if the lease had not been entered into, (b) circumstances under which the transfer contract in a sale-leaseback transaction should be accounted for as the sale of an asset by the seller-lessee and the purchase of an asset by the buyer-lessor, and (c) additional disclosure requirements. The provisions of this update become effective for interim and annual periods beginning after December 15, 2018. Management is currently evaluating the potential impact of this update, but does not expect the requirements to have a significant impact on the Company’s financial position, results of operation, or EPS.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” Under ASU 2016-09 all excess tax benefits and tax deficiencies related to share-based payment awards should be recognized as income tax expense or benefit in the income statement during the period in which they occur. Previously, such amounts were recorded in the pool of excess tax benefits included in additional paid-in capital, if such pool was available. Because excess tax benefits are no longer recognized in additional paid-in capital, the assumed proceeds from applying the treasury stock method when computing earnings per share should exclude the amount of excess tax benefits that would have previously been recognized in additional paid-in capital. Additionally, excess tax benefits should be classified along with other income tax cash flows as an operating activity rather than a financing activity, as was previously the case. ASU 2016-09 also provides that an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur. ASU 2016-09 changes the threshold to qualify for equity classification (rather than as a liability) to permit withholding up to the maximum statutory tax rates (rather than the minimum as was previously the case) in the applicable jurisdictions. ASU 2016-09 will become effective for interim and annual periods beginning after December 15, 2016. The Company elected to early adopt this ASU for the year ended December 31, 2016. The adoption of this ASU did not have a material impact on the Company’s financial position, results of operation, or EPS.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts and requires enhanced disclosures related to the significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, ASU 2016-13 amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. ASU 2016-13 will become effective for interim and annual periods beginning after December 15, 2019.  Management is currently evaluating the potential impact of this update.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows - Classification of Certain Cash Receipts and Cash Payments (Topic 230).” ASU 2016-15 provides guidance related to certain cash flow issues in order to reduce the current and potential future diversity in practice. ASU 2016-15 became effective for the Company as of January 1, 2018 and it will not have a significant impact on our financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805) - Clarifying the Definition of a Business.” ASU 2017-01 clarifies the definition and provides a more robust framework to use in determining when a set of assets and activities constitutes a business. ASU 2017-01 is intended to provide guidance when evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. ASU 2017-01 will become effective for interim and annual periods beginning after December 15, 2017.  If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles – Goodwill and Other (Topic 350) – Simplifying the Test for Goodwill Impairment.” ASU 2017-04 eliminates step two from the goodwill impairment test. Instead, an entity will perform only step one of its quantitative goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount, and then recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. An entity will still have the option to perform a qualitative assessment for a reporting unit to determine if the quantitative step one impairment test is necessary. ASU 2017-01 will become effective for interim and annual periods beginning after December 15, 2019. Early adoption is permitted, including in an interim period, for impairment tests performed after January 1, 2017. If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In March 2017, the FASB issued ASU 2017-08, “Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities." The amendments in this ASU shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount, which continue to be amortized to maturity. Public business entities must prospectively apply the amendments in this ASU to annual periods beginning after December 15, 2018, including interim periods. The Company does not expect this update to have a material impact on its consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09, “Stock Compensation - Scope of Modification Accounting (Topic 718): Scope of Modification Accounting.” The amendments in this ASU provide guidance on when changes to the terms or conditions of a share-based payment award are to be accounted for as modifications. Under ASU 2017-09, entities are not required to apply modification accounting to a share-based payment award when the award’s fair value, vesting conditions, and classification as an entity or a liability instrument remain the same after the change. ASU 2017-09 is effective for all entities beginning after December 15, 2017 including interim periods within the fiscal year. Early adoption is permitted. Upon adoption, the ASU will be applied prospectively to awards modified on or after the adoption date. The adoption of this update will not have a significant impact on its consolidated financial statements.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities.” The amendments in this ASU make more financial and non-financial hedging strategies eligible for hedge accounting. It also amends the presentation and disclosure requirements and changes how companies assess effectiveness. The Company has elected to early adopt this update effective January 1, 2018. If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, “Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The amendments in this ASU addressed the income tax accounting treatment of the stranded tax effects within other comprehensive income due to the newly enacted federal corporate tax rate included in the Tax Cuts and Jobs Act issued December 22, 2017. These amendments allow an entity to make a reclassification from other comprehensive income to retained earnings for the difference between the historical corporate income tax rate and the newly enacted corporate income tax rate. The amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those years.Early adoption is permitted, including adoption in any interim period, for public companies for reporting periods for which financial statements have not yet been issued. The Company elected to early adopt ASU 2018-02 and, as a result, reclassified $652 from accumulated other comprehensive income to retained earnings as of December 31, 2017. The reclassification impacted the Consolidated Balance Sheet and the Consolidated Statement of Changes in Shareholders’ Equity as of and for the year ended December 31, 2017.

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Mergers and acquisitions

12 Months Ended

Dec. 31, 2017

Business Combinations [Abstract]

Mergers and acquisitions

Note (2)—Mergers and acquisitions:

Clayton Bank and Trust and American City Bank

On July 31, 2017, the Bank completed its previously-announced merger with Clayton Bank and Trust (“CBT”) and American City Bank (“ACB” and together with CBT, the “Clayton Banks”), pursuant to the Stock Purchase Agreement with Clayton HC, Inc., a Tennessee corporation (“Seller”), and James L. Clayton, the majority shareholder of Seller, dated February 8, 2017, as amended on May 26, 2017, with a purchase price of approximately $236,484.  The Company issued 1,521,200 shares of common stock and paid cash of $184,200 to purchase all of the outstanding shares of the Clayton Banks.  At closing, the Clayton Banks merged with and into FirstBank, with FirstBank continuing as the surviving banking entity.

Prior to the merger, the Clayton Banks operated 18 banking locations across Tennessee. The merger with the Clayton Banks has allowed the Company to further its strategic initiatives by expanding its geographic footprint in Knoxville and other Tennessee markets and accelerates the growth of the Company’s Banking segment.

Goodwill of $90,323 recorded in connection with the transaction resulted primarily from anticipated synergies arising from the combination of certain operational areas of the Clayton Banks and the Company as well as the purchase premium inherent to buying a complete and successful banking operation. Goodwill is included in the Banking segment as substantially all of the operations resulting from the Clayton Banks merger is included in the Banking segment.

In connection with the transaction, the Company incurred $19,034 in merger and conversion expenses during the year ended December 31, 2017. This amount includes $10,000 contributed to a charitable foundation established to invest in the communities across the markets of the Clayton Banks.

For income tax purposes, the merger with the Clayton Banks was treated as an asset purchase. As an asset purchase for income tax purposes, the value of assets and liabilities for the Clayton Banks are the same for both financial reporting and income tax purposes; therefore, no deferred taxes were recorded at the date of acquisition. Additionally, this treatment allows for the deductibility of the goodwill and core deposit intangible for income tax purposes over 15 years.

The Company accounted for the Clayton Banks transaction under the acquisition method under ASC Topic 805. Accordingly, the fair value of the assets acquired and liabilities assumed along with the resulting goodwill was recorded as of the date of the merger. The Company’s operating results for 2017 include the operating results of the acquired assets and assumed liabilities of the Clayton Banks subsequent to the acquisition date.

As of December 31, 2017, the Company has finalized its valuation of all assets acquired and liabilities assumed, resulting in no material changes to preliminary purchase accounting adjustments. The following tables present the final estimated fair value of net assets acquired as of the July 31, 2017 acquisition date and the consideration paid and an allocation of the purchase price to net assets acquired:

	As of July 31, 2017
	As Recorded by FB Financial Corporation
Assets
Cash and cash equivalents	$	49,059
Investment securities		59,493
FHLB stock		3,409
Loans		1,059,728
Allowance for loan losses		-
Premises and equipment		18,866
Other real estate owned		6,888
Intangibles, net		12,334
Other assets		5,978
Total assets	$	1,215,755
Liabilities
Interest-bearing deposits	$	670,054
Non-interest bearing deposits		309,464
Borrowings		84,831
Accrued expenses and other liabilities		5,245
Total liabilities	$	1,069,594
Net assets acquired (excluding goodwill recognized)	$	146,161

Purchase price:
Equity consideration
Common stock issued		1,521,200
Price per share as of July 31, 2017	$	34.37
Total equity consideration			$	52,284
Cash consideration				184,200	(2)
Total consideration paid			$	236,484
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets			$	146,161
Goodwill				90,323
Total consideration paid			$	236,484

(1) Amounts include certain reclassifications of opening balances to conform to the Company’s presentation.

(2) Amount was deposited into an interest-bearing deposit account with the Bank in the name of the Seller as of July, 31, 2017.

The following table presents the fair value of acquired purchase credit impaired loans accounted for in accordance with ASC 310-30 from the Clayton Banks as of the July 31, 2017 acquisition date:

	July 31, 2017
Contractually-required principal and interest	$	115,448
Nonaccretable difference		(12,430	)
Best estimate of contractual cash flows expected to be collected		103,018
Accretable yield		(18,868	)
Fair value	$	84,150

The following unaudited pro forma condensed consolidated financial information presents the results of operations for the years ended December 31, 2017 and 2016 as though the merger had been completed as of January 1, 2016. The unaudited estimated pro forma information combines the historical results of the Clayton Banks with the Company’s historical consolidated results and includes certain adjustments reflecting the estimated impact of certain fair value adjustments including loan discount accretion, amortization of core deposit and other intangibles, and amortization of the discount on time deposits for the periods presented. The pro forma information is not indicative of what would have occurred had the acquisition taken place on January 1, 2016 and does not reflect any assumptions regarding cost-savings, revenue enhancements, provision for credit losses or asset dispositions. Actual revenues and earnings of the Clayton Banks since the merger date have not been disclosed as it is not practicable as the Clayton Banks were merged into the Company and separate financial information is not readily available.

	Year Ended December 31,
	2017		2016
Net interest income	$	192,633	$	171,383
Total revenues	$	336,404	$	322,045
Net income	$	75,659	$	64,608

Northwest Georgia Bank

On September 18, 2015, the Bank completed its acquisition of Northwest Georgia Bank (“NWGB”), a bank headquartered in Ringgold, Georgia, pursuant to that certain Agreement and Plan of Merger dated April 27, 2015 by and between the Bank and NWGB. Pursuant to the Agreement and Plan of Merger, NWGB was merged with and into the Bank, with the Bank as the surviving entity. Prior to the acquisition, NWGB operated six banking locations in Georgia and Tennessee. The acquisition of NWGB allowed the Company to further its strategic initiatives by expanding its geographic footprint into certain markets of Georgia and Tennessee. The Company acquired NWGB in a $1,500 cash purchase.

The Company recorded a bargain purchase gain of $2,794 and a core deposit intangible asset of $4,931. The fair value of the core deposit intangible is being amortized on a straight-line basis over the estimated useful life, of approximately 10 years at the time of acquisition.

For income tax purposes, the acquisition of NWGB was treated as an asset purchase. As an asset purchase for income tax purposes, the carrying value of assets and liabilities for NWGB are the same for both financial reporting and income tax purposes; therefore, no deferred taxes were recorded at the date of acquisition except for a $191 deferred tax liability recorded for the bargain purchase gain. Additionally, this treatment allows for the deductibility for income tax purposes of the core deposit intangible recorded for the NWGB merger over 15 years, net of the bargain purchase gain.

In connection with the transaction, the Company incurred $3,268 and $3,543 in merger and conversion expenses during the years ended December 31, 2016 and 2015, respectively.

The following tables present the final estimated fair value of net assets acquired as of the September 18, 2015 acquisition date and the consideration paid and an allocation of the purchase price to net assets acquired:

	As of September 18, 2015
	As Recorded by FB Financial Corporation
Assets
Cash and cash equivalents	$	25,495
Investment securities		133,124
FHLB stock		1,154
Loans		78,565
Allowance for loan losses		-
Premises and equipment		15,343
Other real estate owned		5,002
Intangibles, net		4,931
Other assets		8,735
Total assets	$	272,349
Liabilities
Interest-bearing deposits	$	213,126
Non-interest bearing deposits		33,090
Borrowings		20,378
Accrued expenses and other liabilities		1,461
Total liabilities	$	268,055
Net assets acquired (excluding goodwill recognized)	$	4,294

Purchase price:
Cash Consideration paid	$	1,500
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets		4,294
Bargain purchase gain	$	2,794	(1)

(1) The bargain purchase gain resulting from the merger has been recognized in the Banking operating segment during the year ended December 31, 2015.

The following unaudited pro forma condensed consolidated financial information presents the results of operations for the year ended December 31, 2015 as though the acquisition had been completed as of January 1, 2014. The unaudited estimated pro forma information combines the historical results of NWGB with the Company’s historical consolidated results and includes certain adjustments reflecting the estimated impact of certain fair value adjustments for the periods presented. The pro forma information is not indicative of what would have occurred had the acquisition taken place on January 1, 2014 and does not include the effect of all cost-saving or revenue-enhancing strategies.

	Year Ended December 31, 2015
Net interest income	$	102,290
Total revenues	$	191,002
Net income	$	46,042

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Cash and Cash Equivalents Concentrations

12 Months Ended

Dec. 31, 2017

Risks And Uncertainties [Abstract]

Cash and Cash Equivalents Concentrations

Note (3)—Cash and cash equivalents concentrations:

As of December 31, 2017 and 2016, the Bank and its subsidiaries had concentrations of credit risk with financial institutions in the form of correspondent bank accounts which are included in cash and cash equivalents and interest bearing deposits. Correspondent bank balances are maintained for check clearing and other services.

The Bank had amounts due from their correspondent institutions at December 31, 2017 and 2016, as follows:

Bank Name	2017		2016
First Tennessee Bank, N.A.	$	2,477	$	26,381
Federal Reserve Bank of Atlanta		22,103		61,623
JP Morgan Chase Bank, N.A.		3,138		2,272
Federal Home Loan Bank of Cincinnati		1,489		11,409
Fifth Third Bank		1,558		1,598
BBVA Compass		1,065		987
Zions Bank, N.A.		500		501
Servis First Bank		350		350
SunTrust Bank		230		232
PNC Bank, N.A.		211		213
First National Bankers Bank		200		200
US Bank, N.A.		98		—
Wells Fargo Bank, N.A.		88		—
Alostar Bank of Commerce		538		—
Synovus Bank		291		1,062
	$	34,336	$	106,828

Interest is earned on balances at the Federal Reserve Bank and at the Federal Home Loan Bank.

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Investment securities

12 Months Ended

Dec. 31, 2017

Investments Debt And Equity Securities [Abstract]

Investment securities

Note (4)—Investment securities:

The amortized cost of securities and their fair values at December 31, 2017 and 2016 are shown below:

	December 31, 2017
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Securities Available-for-Sale
Debt securities
U.S. government agency securities	$	999	$	—	$	(13	)	$	986
Mortgage-backed securities - residential		425,557		374		(7,150	)		418,781
Municipals, tax exempt		107,127		2,692		(568	)		109,251
Treasury securities		7,345		—		(93	)		7,252
Total debt securities		541,028		3,066		(7,824	)		536,270
Equity securities		7,870		1		(149	)		7,722
Total securities available-for-sale	$	548,898	$	3,067	$	(7,973	)	$	543,992

	December 31, 2016
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Securities Available-for-Sale
Debt securities
U.S. government agency securities	$	998	$	—	$	(13	)	$	985
Mortgage-backed securities - residential		450,874		939		(7,905	)		443,908
Municipals, tax exempt		116,034		3,003		(2,114	)		116,923
Treasury securities		11,809		—		(52	)		11,757
Total debt securities		579,715		3,942		(10,084	)		573,573
Equity securities		8,744		1		(135	)		8,610
Total securities available-for-sale	$	588,459	$	3,943	$	(10,219	)	$	582,183

Securities pledged at December 31, 2017 and 2016 had a carrying amount of $337,604 and $390,814, respectively, and were pledged to secure Federal Home Loan Bank advances, a Federal Reserve Bank line of credit, public deposits and repurchase agreements.

The amortized cost and fair value of debt securities by contractual maturity at December 31, 2017 and 2016 are shown below. Maturities may differ from contractual maturities in mortgage-backed securities because the mortgage underlying the security may be called or repaid without any penalties. Therefore, mortgage-backed securities are not included in the maturity categories in the following maturity summary.

	Year Ended December 31,
	2017				2016
	Available-for-sale				Available-for-sale
	Amortized cost		Fair value		Amortized cost		Fair value
Due in one year or less	$	905	$	925	$	9,290	$	9,352
Due in one to five years		28,332		28,878		25,520		26,340
Due in five to ten years		19,218		19,588		31,122		32,248
Due in over ten years		67,016		68,098		62,909		61,725
		115,471		117,489		128,841		129,665
Mortgage-backed securities - residential		425,557		418,781		450,874		443,908
Total debt securities	$	541,028	$	536,270	$	579,715	$	573,573

Sales of available-for-sale securities were as follows:

	Year Ended December 31,
	2017		2016
Proceeds from sales	$	94,743	$	271,148
Gross realized gains		1,277		4,755
Gross realized losses		48		348
Other-than-temporary-impairment	945			—

The Company also recognized $1 on gains related to the early call of available for sale securities during the year ended December 31, 2017.

The following tables show gross unrealized losses at December 31, 2017 and 2016, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	December 31, 2017
	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized loss
U.S. government agency securities	$	—	$	—	$	986	$	13	$	986	$	13
Mortgage-backed securities - residential		107,611		980		290,258		6,170		397,869		7,150
Municipals, tax exempt		7,354		101		20,112		467		27,466		568
Treasury securities		7,252		93		—		—		7,252	$	93
Total debt securities		122,217		1,174		311,356		6,650		433,573		7,824
Equity securities		—		—		3,050		149		3,050		149
	$	122,217	$	1,174	$	314,406	$	6,799	$	436,623	$	7,973

	December 31, 2016
	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized loss
U.S. government agency securities	$	985	$	13	$	—	$	—	$	985	$	13
Mortgage-backed securities - residential		390,595		7,230		19,073		675		409,668		7,905
Municipals, tax exempt		43,132		2,114		—		—		43,132		2,114
Treasury securities		10,256		52		—		—		10,256		52
Total debt securities		444,968		9,409		19,073		675		464,041		10,084
Equity securities		—		—		3,126		135		3,126		135
	$	444,968	$	9,409	$	22,199	$	810	$	467,167	$	10,219

As of December 31, 2017 and 2016, the Company’s securities portfolio consisted of 294 and 329 securities, 124 and 151 of which were in an unrealized loss position, respectively.

The Company evaluates securities with unrealized losses for other-than-temporary impairment (OTTI) on a quarterly basis. Impairment is assessed at the individual security level. The Company considers an investment security impaired if the fair value of the security is less than its cost or amortized cost basis. For debt securities, the unrealized losses associated with these investment securities are primarily driven by interest rates and are not due to the credit quality of the securities. The Company currently does not intend to sell those investments with unrealized losses, and it is unlikely that the Company will be required to sell the investments before recovery of their amortized cost bases, which may be maturity.

When impairment of an equity security is considered to be other-than-temporary, the security is written down to its fair value and an impairment loss is recorded as a loss within noninterest income. The Company evaluated the near-term prospects of the equity investments in relation to the severity and duration of the impairment. Based on that evaluation, the Company concluded that it was probable that there had been adverse cash flows for one of the equity investments held. Additionally, the Company does not intend to hold the security long-term and it is unlikely the fair value would be recovered. Credit impairment losses of $945 and $0 was recognized during the years ended December 31, 2017 and 2016, respectively. Changes in the amount of credit related losses recognized in earnings for which OTTI has been recognized are as follows:

Balance as of January 1, 2017	$	—
Additions related to credit losses for which OTTI was not previously recognized		(945	)
Reductions for securities sold during the period		—
Reductions for securities where there is an intent to sell or requirement to sell		—
Increases in credit loss for which OTTI was previously recognized		—
Reductions for increases in cash flows expected to be collected		—
Balance as of December 31, 2017	$	(945	)

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Loans and Allowance for Loan Losses

12 Months Ended

Dec. 31, 2017

Receivables [Abstract]

Loans and allowance for loan losses

Note (5)—Loans and allowance for loan losses:

Loans outstanding at December 31, 2017 and 2016, by major lending classification are as follows:

	December 31,
	2017			2016
Commercial and industrial	$	715,075		$	386,233
Construction		448,326			245,905
Residential real estate:
1-to-4 family mortgage		480,989			294,924
Residential line of credit		194,986			177,190
Multi-family mortgage		62,374			44,977
Commercial real estate:
Owner occupied		495,872			357,346
Non-owner occupied		551,588			267,902
Consumer and other		217,701			74,307
Gross loans		3,166,911			1,848,784
Less: Allowance for loan losses		(24,041	)		(21,747	)
Net loans	$	3,142,870		$	1,827,037

As of December 31, 2017 and 2016, $968,567 and $565,717, respectively, of 1-to-4 family and multifamily mortgage loans and loans held for sale were pledged to the Federal Home Loan Bank of Cincinnati securing advances against the Bank’s line. As of December 31, 2017 and 2016, $724,312 and $1,072,118, respectively, of commercial and industrial , construction, residential, real estate, commercial real estate, and consumer and other loans were pledged to the Federal Reserve under the Borrower-in-Custody program.

As of December 31, 2017 and 2016, the carrying value of purchased credit impaired loans (“PCI”) loans accounted for under ASC 310-30 Loans and Debt Securities Acquired with Deteriorated Credit Quality, were $88,835and $16,058, respectively. The following table presents changes in the value of the accretable yield for PCI loans for the periods indicated.

	Year Ended
	December 31,
	2017			2016			2015
Balance at December 31, 2016	$	(2,444	)	$	(1,637	)	$	—
Additions through the acquisition of the Clayton    Banks		(18,868	)		—			(1,991	)
Principal reductions and other reclassifications from nonaccretable difference		(1,841	)		(3,438	)		(100	)
Recoveries		(23	)		—			—
Accretion		5,299			2,631			454
Other changes		195			—			—
Balance at December 31, 2017	$	(17,682	)	$	(2,444	)	$	(1,637	)

The following provides the allowance for loan losses by portfolio segment and the related investment in loans net of unearned interest for the years December 31, 2017, 2016 and 2015:

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage			Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2017
Beginning balance -    December 31, 2016	$	5,309		$	4,940		$	3,197		$	1,613		$	504		$	3,302		$	2,019		$	863		$	21,747
Provision for loan losses		(2,158	)		1,138			41			(788	)		(70	)		483			(848	)		1,252			(950	)
Recoveries of loans    previously charged-off		1,894			1,084			159			395			—			61			1,646			532			5,771
Loans charged off		(584	)		(27	)		(200	)		(276	)		—			(288	)		—			(1,152	)		(2,527	)
Ending balance -    December 31, 2017	$	4,461		$	7,135		$	3,197		$	944		$	434		$	3,558		$	2,817		$	1,495		$	24,041

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage		Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2016
Beginning balance - December 31, 2015	$	5,135		$	5,143		$	4,176		$	2,201		$	311	$	3,682		$	2,622		$	1,190		$	24,460
Provision for loan losses		212			(417	)		(882	)		(630	)		193		(271	)		(271	)		587			(1,479	)
Recoveries of loans    previously charged-off		524			216			127			174			—		140			195			240			1,616
Loans charged off		(562	)		(2	)		(224	)		(132	)		—		(249	)		(527	)		(1,154	)		(2,850	)
Ending balance -    December 31, 2016	$	5,309		$	4,940		$	3,197		$	1,613		$	504	$	3,302		$	2,019		$	863		$	21,747

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage		Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2015
Beginning balance -    December 31, 2014	$	6,600		$	3,721		$	6,364		$	2,790		$	184	$	6,075		$	2,641		$	655		$	29,030
Provision for loan losses		(624	)		149			(1,521	)		(645	)		127		(1,366	)		(307	)		1,123			(3,064	)
Recoveries of loans    previously charged-off		112			1,354			161			286			—		35			342			548			2,838
Loans charged off		(953	)		(81	)		(828	)		(230	)		—		(1,062	)		(54	)		(1,136	)		(4,344	)
Ending balance - December 31, 2015	$	5,135		$	5,143		$	4,176		$	2,201		$	311	$	3,682		$	2,622		$	1,190		$	24,460

The following table provides the allocation of the allowance for loan losses by loan category broken out between loans individually evaluated for impairment and loans collectively evaluated for impairment as of December 31, 2017, 2016 and 2015:

													December 31, 2017
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	20	$	—	$	18	$	—	$	—	$	120	$	33	$	—	$	191
Collectively evaluated for    impairment		4,441		7,135		3,179		944		434		3,438		2,784		1,495		23,850
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance -    December 31, 2017	$	4,461	$	7,135	$	3,197	$	944	$	434	$	3,558	$	2,817	$	1,495	$	24,041

													December 31, 2016
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	135	$	—	$	23	$	—	$	—	$	113	$	242	$	—	$	513
Collectively evaluated for    impairment		5,174		4,940		3,174		1,613		504		3,189		1,777		863		21,234
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance -    December 31, 2016	$	5,309	$	4,940	$	3,197	$	1,613	$	504	$	3,302	$	2,019	$	863	$	21,747

													December 31, 2015
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	89	$	5	$	66	$	—	$	—	$	74	$	739	$	—	$	973
Collectively evaluated for    impairment		5,046		5,138		4,110		2,201		311		3,608		1,883		1,190		23,487
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance-    December 31, 2015	$	5,135	$	5,143	$	4,176	$	2,201	$	311	$	3,682	$	2,622	$	1,190	$	24,460

The following table provides the amount of loans by loan category broken between loans individually evaluated for impairment and loans collectively evaluated for impairment as of December 31, 2017, 2016 and 2015:

													December 31, 2017
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated for    impairment	$	1,579	$	1,289	$	1,262	$	-	$	978	$	2,520	$	1,720	$	25	$	9,373
Collectively evaluated for    impairment		711,352		439,309		456,229		194,986		61,376		481,390		531,704		192,357		3,068,703
Acquired with deteriorated    credit quality		2,144		7,728		23,498		—		20		11,962		18,164		25,319		88,835
Ending balance -    December 31, 2017	$	715,075	$	448,326	$	480,989	$	194,986	$	62,374	$	495,872	$	551,588	$	217,701	$	3,166,911

													December 31, 2016
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated    for impairment	$	1,476	$	2,686	$	2,471	$	311	$	1,027	$	2,752	$	2,201	$	27	$	12,951
Collectively evaluated    for impairment		384,279		238,900		290,346		176,879		43,922		350,812		260,361		74,276		1,819,775
Acquired with deteriorated    credit quality		478		4,319		2,107		—		28		3,782		5,340		4		16,058
Ending balance -    December 31, 2016	$	386,233	$	245,905	$	294,924	$	177,190	$	44,977	$	357,346	$	267,902	$	74,307	$	1,848,784

													December 31, 2015
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated    for impairment	$	1,499	$	2,866	$	3,686	$	—	$	1,074	$	3,000	$	3,451	$	—	$	15,576
Collectively evaluated    for impairment		316,418		228,445		284,190		171,526		58,400		329,569		198,741		77,623		1,664,912
Acquired with deteriorated    credit quality		874		6,859		2,828		—		36		5,095		5,679		4		21,375
Ending balance-    December 31, 2015	$	318,791	$	238,170	$	290,704	$	171,526	$	59,510	$	337,664	$	207,871	$	77,627	$	1,701,863

The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. The Company analyzes loans individually by classifying the loans as to credit risk. The Company uses the following definitions for risk ratings:

Watch.    Loans rated as watch includes loans in which management believes conditions have occurred, or may occur, which could result in the loan being downgraded to a worse rated category. Also included in watch are loans rated as special mention, which have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution’s credit position at some future date.

Substandard.    Loans rated as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, in any. Loans so rated have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected. Also included in this category are loans considered doubtful, which have all the weaknesses previously described and management believes those weaknesses may make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

Loans not meeting the criteria above are considered to be pass rated loans.

The following table shows credit quality indicators by portfolio class at December 31, 2017 and 2016:

December 31, 2017	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	657,595	$	50,946	$	4,390	$	712,931
Construction		431,242		7,388		1,968		440,598
Residential real estate:
1-to-4 family mortgage		440,202		9,522		7,767		457,491
Residential line of credit		192,427		1,184		1,375		194,986
Multi-family mortgage		61,234		142		978		62,354
Commercial real estate:
Owner occupied		451,140		28,308		4,462		483,910
Non-owner occupied		517,253		14,199		1,972		533,424
Consumer and other		189,081		2,712		589		192,382
Total loans, excluding purchased credit impaired    loans	$	2,940,174	$	114,401	$	23,501	$	3,078,076
Purchased credit impaired loans
Commercial and industrial	$	—	$	1,499	$	645	$	2,144
Construction		—		3,324		4,404		7,728
Residential real estate:
1-to-4 family mortgage		—		20,284		3,214		23,498
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		20		20
Commercial real estate:
Owner occupied		—		4,631		7,331		11,962
Non-owner occupied		—		7,359		10,805		18,164
Consumer and other		—		19,751		5,568		25,319
Total purchased credit impaired loans	$	—	$	56,848	$	31,987	$	88,835
Total loans	$	2,940,174	$	171,249	$	55,488	$	3,166,911

December 31, 2016	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	351,046	$	31,074	$	3,635	$	385,755
Construction		236,588		4,612		386		241,586
Residential real estate:
1-to-4 family mortgage		277,948		6,945		7,924		292,817
Residential line of credit		173,011		1,875		2,304		177,190
Multi-family mortgage		43,770		152		1,027		44,949
Commercial real estate:
Owner occupied		338,698		10,459		4,407		353,564
Non-owner occupied		249,877		10,273		2,412		262,562
Consumer and other		73,454		417		432		74,303
Total loans, excluding purchased credit impaired    loans	$	1,744,392	$	65,807	$	22,527	$	1,832,726
Purchased credit impaired loans
Commercial and industrial	$	—	$	—	$	478	$	478
Construction		—		—		4,319		4,319
Residential real estate:
1-to-4 family mortgage		—		—		2,107		2,107
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		28		28
Commercial real estate:
Owner occupied		—		—		3,782		3,782
Non-owner occupied		—		—		5,340		5,340
Consumer and other		—		—		4		4
Total purchased credit impaired loans	$	—	$	—	$	16,058	$	16,058
Total loans	$	1,744,392	$	65,807	$	38,585	$	1,848,784

Nonperforming loans include loans that are no longer accruing interest (nonaccrual loans) and loans past due ninety or more days and still accruing interest. Nonperforming loans and impaired loans are defined differently. Some loans may be included in both categories, whereas other loans may only be included in one category.

PCI loans are considered past due or delinquent when the contractual principal or interest due in accordance with the terms of the loan agreement remains unpaid after the due date of the scheduled payment. However, these loans are considered to be performing, even though they may be contractually past due, as any non-payment of contractual principal or interest is considered in the periodic re-estimation of expected cash flows and is included in the resulting recognition of current period covered loan loss provision or future period yield adjustments. The accrual of interest is discontinued on PCI loans if management can no longer reliably estimate future cash flows on the loan. No PCI loans were classified as nonaccrual at December 31, 2017 or December 31, 2016 as the carrying value of the respective loan or pool of loans cash flows were considered estimable and probable of collection. Therefore, interest revenue, through accretion of the difference between the carrying value of the loans and the expected cash flows, is being recognized on all PCI loans. Accretion of interest income amounting to $5,299, $2,631 and $454 was recognized on purchased credit impaired loans during the years ended December 31, 2017, 2016 and 2015, respectively. This includes both the contractual interest income and the purchase accounting contribution through accretion of the liquidity discount and credit mark for changes in estimated cash flows. The total purchase accounting contribution through accretion excluding contractual interest collected for all purchased loans was $5,419, 3,538 and $493 for the years ended December 31, 2017, 2016 and 2015, respectively.

The following table provides the period-end amounts of loans that are past due thirty to eighty-nine days, past due ninety or more days and still accruing interest, loans not accruing interest and loans current on payments accruing interest by category at December 31, 2017 and 2016:

December 31, 2017	30-89 days past due		90 days or more and accruing interest		Non-accrual loans		Loans current on payments and accruing interest		Purchased Credit Impaired loans		Total
Commercial and industrial	$	5,859	$	90	$	533	$	706,449	$	2,144	$	715,075
Construction		1,412		241		300		438,645		7,728		448,326
Residential real estate:
1-to-4 family mortgage		4,678		956		2,548		449,309		23,498		480,989
Residential line of credit		527		134		699		193,626		—		194,986
Multi-family mortgage		—		—		—		62,354		20		62,374
Commercial real estate:
Owner occupied		521		358		2,582		480,449		11,962		495,872
Non-owner occupied		121		—		1,371		531,932		18,164		551,588
Consumer and other		1,945		217		68		190,152		25,319		217,701
Total	$	15,063	$	1,996	$	8,101	$	3,052,916	$	88,835	$	3,166,911

December 31, 2016	30-89 days past due		90 days or more and accruing interest		Non-accrual loans		Loans current on payments and accruing interest		Purchased Credit Impaired loans		Total
Commercial and industrial	$	262	$	127	$	1,297	$	384,069	$	478	$	386,233
Construction		441		17		254		240,874		4,319		245,905
Residential real estate:
1-to-4 family mortgage		3,130		697		2,289		286,701		2,107		294,924
Residential line of credit		1,139		433		601		175,017		—		177,190
Multi-family mortgage		—		—		—		44,949		28		44,977
Commercial real estate:
Owner occupied		186		—		2,007		351,371		3,782		357,346
Non-owner occupied		158		—		2,251		260,153		5,340		267,902
Consumer and other		433		55		30		73,785		4		74,307
Total	$	5,749	$	1,329	$	8,729	$	1,816,919	$	16,058	$	1,848,784

Impaired loans recognized in conformity with ASC 310 at December 31, 2017 and 2016, segregated by class, were as follows:  

December 31, 2017	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	53	$	53	$	20
Construction		—		—		—
Residential real estate:
1-to-4 family mortgage		194		495		18
Residential line of credit		—		—		—
Multi-family mortgage		—		—		—
Commercial  real estate:
Owner occupied		844		1,123		120
Non-owner occupied		144		150		33
Total	$	1,235	$	1,821	$	191
With no related allowance recorded
Commercial and industrial	$	1,526	$	1,570	$	—
Construction		1,289		1,313		—
Residential real estate:
1-to-4 family mortgage		1,068		1,072		—
Residential line of credit		—		—		—
Multi-family mortgage		978		978		—
Commercial  real estate:
Owner occupied		1,676		2,168		—
Non-owner occupied		1,576		2,325		—
Consumer and other		25		25		—
Total	$	8,138	$	9,451	$	—
Total impaired loans	$	9,373	$	11,272	$	191

December 31, 2016	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	854	$	854	$	135
Construction		—		—		—
Residential real estate:
1-to-4 family mortgage		103		369		23
Residential line of credit		—		—		—
Multi-family mortgage		—		—		—
Commercial  real estate:
Owner occupied		635		654		113
Non-owner occupied		1,151		1,678		242
Consumer and other		1		1		—
Total	$	2,744	$	3,556	$	513
With no related allowance recorded:
Commercial and industrial	$	622	$	746	$	—
Construction		2,686		2,694		—
Residential real estate:
1-to-4 family mortgage		2,368		2,370		—
Residential line of credit		311		321		—
Multi-family mortgage		1,027		1,027		—
Commercial  real estate:
Owner occupied		2,117		3,205		—
Non-owner occupied		1,050		1,781		—
Consumer and other		26		26		—
Total	$	10,207	$	12,170	$	—
Total impaired loans	$	12,951	$	15,726	$	513

	December 31,
	2017				2016				2015
	Average recorded investment		Interest income recognized (cash basis)		Average recorded investment		Interest income recognized (cash basis)		Average recorded investment		Interest income recognized (cash basis)
With a related allowance recorded:
Commercial and industrial	$	454	$	2	$	994	$	17	$	1,269	$	22
Construction		—		—		154		—		517		3
Residential real estate:
1-to-4 family mortgage		149		9		1,750		1		2,345		199
Residential line of credit		—		—		—		—		—		—
Multi-family mortgage		—		—		—		—		468		—
Commercial real estate:
Owner occupied		740		48		1,756		25		1,938		95
Non-owner occupied		648		5		1,777		—		3,039		—
Consumer and other		1		—		1		—		—		—
Total	$	1,992	$	64	$	6,432	$	43	$	9,576	$	319
With no related allowance recorded
Commercial and industrial	$	1,074	$	38	$	494	$	20	$	660	$	—
Construction		1,988		46		2,622		132		4,337		127
Residential real estate:
1-to-4 family mortgage		1,718		63		1,329		137		2,815		7
Residential line of credit		156		—		156		10		—		—
Multi-family mortgage		1,003		46		1,051		37		652		25
Commercial real estate:
Owner occupied		1,897		122		1,120		119		788		—
Non-owner occupied		1,313		19		1,050		—		855		—
Consumer and other		26		1		13		—		—		—
Total	$	9,173	$	335	$	7,835	$	455	$	10,107	$	159
Total impaired loans	$	11,164	$	399	$	14,267	$	498	$	19,683	$	478

As of December 31, 2017 and 2016, the Company has a recorded investment in troubled debt restructurings of $8,604 and $8,802, respectively. The modifications included extensions of the maturity date and/or a stated rate of interest to one lower than the current market rate. The Company has allocated $172 and $402 of specific reserves for those loans at December 31, 2017 and 2016, respectively, and has committed to lend additional amounts totaling up to $2 and $1, respectively to these customers. Of these loans, $3,205 and $4,265 were classified as non-accrual loans as of December 31, 2017 and 2016.

The following table presents the financial effect of TDRs recorded during the periods indicated:

Year Ended December 31, 2017	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	2	$	627	$	627	$	—
Commercial real estate:
Owner occupied	1		377		377		—
Non-owner occupied	2		711		711		68
Residential real estate:
1-to-4 family mortgage	1		143		143		8
Consumer and other	1		25		25		—
Total	7	$	1,883	$	1,883	$	76

Year Ended December 31, 2016	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial real estate:
Owner occupied	1	$	118	$	118	$	—
Residential real estate:
1-4 family mortgage	5		1,819		1,819		—
Consumer and other	3		29		29		—
Total	9	$	1,966	$	1,966	$	—

Year ended December 31, 2015	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	6	$	2,301	$	2,301	$	86
Commercial real estate:
Owner occupied	4		786		786		—
Non-owner occupied	1		133		133		1
Residential real estate:
1-4 family mortgage	5		326		326		45
Total	16	$	3,546	$	3,546	$	132

There were no loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the year ended December 31, 2017 or 2016. The following presents loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the year ended December 31, 2015:

	Defaulted		Charge-offs and specific reserves
Residential real estate:
1-to-4 family mortgage	$	145	$	45
Total	$	145	$	45

A loan is considered to be in payment default once it is 90 days contractually past due under the modified terms.

The terms of certain other loans were modified during the years ended December 31, 2017, 2016 and 2015 that did not meet the definition of a troubled debt restructuring. The modification of these loans involved either a modification of the terms of a loan to borrowers who were not experiencing financial difficulties or a delay in a payment that was considered to be insignificant.

In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed of the probability that the borrower will be in payment default on any of its debt in the foreseeable future without the modification. This evaluation is performed under the company’s internal underwriting policy.

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Premises and Equipment

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Premises and Equipment

Note (6)—Premises and equipment:

Premises and equipment and related accumulated depreciation as of December 31, 2017 and 2016, are as follows:

	2017			2016
Land	$	22,108		$	18,698
Premises		57,719			44,301
Furniture and fixtures		22,292			21,700
Leasehold improvements		10,740			10,515
Equipment		12,525			11,583
Construction in process		1,496			867
		126,880			107,664
Less: accumulated depreciation		(45,303	)		(41,013	)
Total Premises and Equipment	$	81,577		$	66,651

Depreciation expense was $4,316, $3,995 and $3,283 for the years ended December 31, 2017, 2016 and 2015, respectively.

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Other Real Estate Owned

12 Months Ended

Dec. 31, 2017

Real Estate [Abstract]

Other Real Estate Owned

Note (7)—Other real estate owned:

Other real estate owned (“OREO”) includes property acquired through foreclosure proceedings in addition to excess land and facilities held for sale. OREO is carried at fair value less estimated cost to sell the property. The following table summarizes the other real estate owned for the years ended December 31, 2017, 2016 and 2015:

	Year Ended
	December 31,
	2017			2016			2015
Balance at beginning of period	$	7,403		$	11,641		$	7,259
Transfers from loans		3,605			2,724			4,085
Transfers from premises and equipment		3,466			—
Capital improvements		—			—			171
Acquired through merger or acquisition		6,888			—			5,002
Properties sold		(5,438	)		(6,696	)		(3,774	)
Gain on sale of other real estate owned		1,080			1,670			187
Transferred to loans		(256	)		(1,548	)		(785	)
Write-downs and partial liquidations		(306	)		(388	)		(504	)
Balance at end of period	$	16,442		$	7,403		$	11,641

Foreclosed residential real estate properties included in the table above totaled $3,631 and $2,143 as of December 31, 2017 and 2016, respectively. The recorded investment in residential mortgage loans secured by residential real estate properties for which foreclosure proceedings are in process totaled $19 and $96 at December 31, 2017 and 2016, respectively.

During the year ended December 31, 2017, the Company acquired $6,888 in other real estate owned through the merger with the Clayton Banks, including $4,147 in excess land and facilities held for sale. During the fourth quarter of 2017, the Company consolidated an additional five branch locations and transferred an additional $3,466 of excess land and facilities into other real estate owned as held for sale.

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Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and intangible assets

Note (8)—Goodwill and intangible assets:

The following table summarizes changes in goodwill during the year ended December 31, 2017. There was no such activity during the year ended December 31, 2016.

	Goodwill
Balance at December 31, 2016	$	46,867
Addition from merger with Clayton Banks (see Note 2)		90,323
Balance at December 31, 2017	$	137,190

Goodwill is tested annually, or more often if circumstances warrant, for impairment. If the implied fair value of goodwill is lower than its carrying amount, goodwill impairment is indicated and is written down to its implied fair value. Subsequent increases in goodwill values are not recognized in the financial statements. Goodwill impairment was neither indicated nor recorded during the year ended December 31, 2017 or the year ended December 31, 2016.

On July 31, 2017, the Company recorded $9,060 of core deposit intangibles resulting from the merger with the Clayton Banks, which is being amortized over a weighted average life of approximately 3 years.  Additionally, the Company recognized identifiable intangible assets related to favorable lease terms of $587, customer base trust intangible of $1,600, and manufactured housing servicing intangible of $1,088 as a result of the Clayton Banks acquisition.  The following intangibles are being amortized over estimated lives of 6.5 years, 10 years, and 5 years respectively.

Core deposit and other intangibles are as follows as of the indicated dates:

	Core deposit and other intangibles
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
December 31, 2017
Core deposit intangible	$	38,915	$	(27,121	)	$	11,794
Leasehold intangible		587		(38	)		549
Customer base trust intangible		1,600		(67	)		1,533
Manufactured housing servicing intangible		1,088		(62	)		1,026
Total core deposit and other intangibles	$	42,190	$	(27,288	)	$	14,902
December 31, 2016
Core deposit intangible	$	29,855	$	(25,292	)	$	4,563
December 31, 2015
Core deposit intangible	$	29,855	$	(23,160	)	$	6,695

The estimated aggregate amortization expense of core deposit and other intangibles for each of the next five years and thereafter is as follows:

December 31, 2018	$	3,275
December 31, 2019		2,866
December 31, 2020		2,476
December 31, 2021		2,090
December 31, 2022		1,609
Thereafter		2,586
	$	14,902

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Mortgage Servicing Rights

12 Months Ended

Dec. 31, 2017

Transfers And Servicing Of Financial Assets [Abstract]

Mortgage servicing rights

Note (9)—Mortgage servicing rights:

Changes in the Company’s mortgage servicing rights were as follows for years ended December 31, 2017, 2016 and 2015:

	Year Ended December 31,
		2017			2016			2015
Carrying value prior to policy change	$	32,070		$	29,711		$	6,032
Fair value impact of change in accounting policy (See    Note 1)		1,011			—			—
Carrying value at beginning of period		33,081			29,711			6,032
Capitalization		58,984			46,070			26,474
Amortization		—			(8,321	)		(2,601	)
Sales		(11,686	)		(34,118	)		—
(Loss) gain on sale		(249	)		3,406			—
Impairment		—			(4,678	)		(194	)
Change in fair value:
Due to pay-offs/pay-downs		(3,104	)		—			—
Due to change in valuation inputs or assumptions		(919	)		—			—
Carrying value at December 31	$	76,107		$	32,070		$	29,711

The following table summarizes servicing income and expense included in mortgage banking income and other noninterest expense within the Mortgage Segment operating results, respectively, for the years ended December 31, 2017, 2016 and 2015, respectively:

	Year Ended December 31,
		2017			2016			2015
Servicing income:
Servicing income	$	13,168		$	12,063		$	3,614
Change in fair value of mortgage servicing rights		(4,023	)		—
Change in fair value of derivative hedging instruments		599			—			—
Total servicing income		9,744			12,063			3,614
Servicing expenses:
Servicing asset amortization		—			8,321			2,601
Servicing asset impairment		—			4,678			194
Loss on sale of mortgage servicing rights and related hedges and     transaction costs on sale		249			4,447			—
Other servicing expenses		4,896			2,325			633
Total servicing expenses		5,145			19,771			3,428
Net servicing income (loss)	$	4,599		$	(7,708	)	$	186

Data and key economic assumptions related to the Company’s mortgage servicing rights as of December 31, 2017 and 2016 are as follows:

	As of December 31,
		2017			2016
Unpaid principal balance	$	6,529,431		$	2,833,958
Weighted-average prepayment speed (CPR)		8.90	%		8.40	%
Estimated impact on fair value of a 10% increase		(3,026	)		(1,256	)
Estimated impact on fair value of a 20% increase		(5,855	)		(2,434	)
Discount rate		9.75	%		9.54	%
Estimated impact on fair value of a 100 bp increase		(3,052	)		(1,394	)
Estimated impact on fair value of a 200 bp increase		(5,867	)		(2,679	)
Weighted-average coupon interest rate		3.94	%		3.59	%
Weighted-average servicing fee (basis points)		28			27
Weighted-average remaining maturity (in months)		335			328

From time to time, the Company enters agreements to sell certain tranches of mortgage servicing rights. Upon consummation of the sale, the Company continues to subservice the underlying mortgage loans until they can be transferred to the purchaser. During the years ended December 31, 2017 and 2016, the Company sold $11,686 and $34,118 of mortgage servicing rights on $1,086,465 and $3,370,395of serviced mortgage loans, respectively. As of December 31, 2017 and 2016, there were $0and $3,332,903, respectively, of loans being serviced that related to bulk sale of mortgage servicing rights.

During the second quarter of 2017, the Company began hedging the mortgage servicing rights portfolio with various derivative instruments to offset changes in the fair value of the related mortgage servicing rights. As of December 31, 2017, the MSR asset was fully hedged with respect to changes in the underlying interest rates (see Note 18).

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Other Assets and Other liabilities

12 Months Ended

Dec. 31, 2017

Other Assets And Other Liabilities [Abstract]

Other assets and other liabilities

Note (10)—Other assets and other liabilities:

Included in other assets are:

	As of December 31,
Other assets	2017		2016
Cash surrender value on bank owned life insurance	$	10,873	$	10,556
Prepaid expenses		2,477		2,245
Software		1,962		2,296
Mortgage lending receivable		3,176		24
Derivatives		9,690		19,745
Other assets		16,038		16,488
Total other assets	$	44,216	$	51,354

Included in other liabilities are:

	As of December 31,
Other liabilities	2017		2016
Deferred compensation	$	5,301	$	6,710
Accrued payroll		11,018		5,987
Mortgage servicing escrows		3,341		1,079
Mortgage buyback reserve		3,386		2,659
Accrued interest		1,504		632
Derivatives		1,699		586
Deferred tax liability (See Note 15)		11,858		4,180
Right to repurchase GNMA loans serviced (See Note 1)		43,035		—
Other liabilities		37,852		36,535
Total other liabilities	$	118,994	$	58,368

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Deposits

12 Months Ended

Dec. 31, 2017

Time Deposits [Abstract]

Deposits

Note (11)—Deposits:

The aggregate amount of time deposits with a minimum denomination greater than $250 was $176,837 and $60,124 at December 31, 2017 and 2016, respectively.

At December 31, 2017, the scheduled maturities of time deposits are as follows:

Scheduled maturities of time deposits
Due on or before:
December 31, 2018	$	432,030
December 31, 2019		139,398
December 31, 2020		56,719
December 31, 2021		32,893
December 31, 2022		24,075
Thereafter		3,214
Total	$	688,329

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Securities Sold Under Agreements to Repurchase

12 Months Ended

Dec. 31, 2017

Securities Sold Under Agreements To Repurchase [Abstract]

Securities sold under agreements to repurchase

Note (12)—Securities sold under agreements to repurchase:

Securities sold under agreements to repurchase are secured by mortgage-backed securities with a carrying amount of $14,293 and $21,561 at December 31, 2017 and 2016, respectively.

Securities sold under agreements to repurchase are financing arrangements that mature daily. Information concerning securities sold under agreements to repurchase is summarized as follows:

	2017			2016
Balance at year end	$	14,293		$	21,561
Average daily balance during the year		16,326			60,331
Average interest rate during the year		0.17	%		0.11	%
Maximum month-end balance during the year		19,432			115,005
Weighted average interest rate at year-end		0.16	%		0.17	%

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Short-term Borrowings

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Short-term borrowings

Note (13)—Short-term borrowings:

The Bank currently has available from correspondent banks borrowings capacity in the form of federal fund purchases. The line with First Tennessee Bank, N.A. is for $30,000 as of December 31, 2017 and 2016 and the line with BBVA Compass Bank is for $10,000 as of December 31, 2017 and 2016. Each of these lines may be drawn for fourteen consecutive days. As of December 31, 2017 and 2016 there were no borrowings against these lines.

The line with SunTrust Bank is for $15,000 and may be drawn for seven consecutive days before collateral is required. Borrowings that exceed seven days must be secured by a marketable security with a current value of at least 125% of the outstanding balance. As of December 31, 2017 and 2016, there were no borrowings against this line.

The line with First National Banker’s Bank is for $10,000 and may be drawn for thirty days before collateral is required. The line with Zions Bank is for $25,000. The line with PNC Bank is for $20,000. The line with ServisFirst Bank is for $15,000. As of December 31, 2017 and 2016, there were no borrowings against these lines.

The line with Federal Home Loan Bank is for $300,000 as of December 31, 2017 and 2016, respectively, and is secured by qualifying mortgage loans and investment securities. At December 31, 2017 and 2016, the Company had pledged investments securities of $0 and $60,371 and loans of $968,567 and $565,718, securing borrowings against this line of $190,000 and $150,000 as of December 31, 2017 and 2016, respectively.

The Company maintained a line with the Federal Reserve Bank through the Borrower-in-Custody program in 2017 and 2016.  As of December 31, 2017 and 2016, $737,856 and $1,072,118 of qualifying loans and $13,544 and $0 of investment securities were pledged to the Federal Reserve Bank through the Borrower-in-Custody program securing a line of credit of $529,547 and $765,107.

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Long-term Debt

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Long-term Debt

Note (14)—Long-term debt:

As of December 31, 2015 the Company had three subordinated notes payable with the shareholder of the Company for $775, $3,300 and $6,000. On September 21, 2016 these notes were paid off in full with proceeds from the initial public offering.

The Bank had a total borrowing capacity of $671,461 and $476,562 at the Federal Home Loan Bank of Cincinnati at December 31, 2017 and 2016, respectively. The terms of the borrowings were subject to market rates at the time of the advances and contain maturities of one to twelve years. Advances from this line are secured by qualifying loans of $968,567 and $565,718 and investment securities of $0 and $60,371 at December 31, 2017 and 2016, respectively.

The Bank had $112,372 of fixed rate borrowings with the FHLB at a weighted average rate of 1.45% outstanding at December 31, 2017. At December 31, 2016 the Bank had $13,962 of fixed rate borrowings at a weighted average rate of 3.02% outstanding. This includes $100,000 borrowed in the third quarter of 2017 as part of the funding strategy of the merger with the Clayton Banks. The advances mature and reprice every 90 days. The Company also entered into three corresponding interest rate swaps to hedge.

In 2003, two separate trusts formed by the Company issued $9,000 of floating rate trust preferred securities (“Trust I”) and $21,000 of floating rate trust preferred securities (“Trust II”), respectively, as part of a pooled offering of such securities. The Company issued junior subordinated debentures of $9,280, which included proceeds of common securities purchased by the Company of $280, and junior subordinated debentures of $21,650, which included proceeds of common securities of $650. Both issuances were to the trusts in exchange for the proceeds of the securities offerings, which represent the sole asset of the trusts. Trust I pays interest quarterly based upon the 3-month LIBOR plus 3.25%. Trust II pays interest quarterly based upon the 3-month LIBOR plus 3.15%. Rates for the two issues at December 31, 2017, were 4.59% and 4.82%, respectively.  Rates for the two issues at December 31, 2016, were 4.25% and 4.15%, respectively. The Company may redeem the first junior subordinated debenture listed, in whole or in part, on any distribution payment date within 120 days of the occurrence of a special event, at the redemption price. The Company may redeem the second junior subordinated debentures listed, in whole or in part, any time after June 26, 2008, on any distribution payment date, at the redemption price. The junior subordinated debentures must be redeemed no later than 2033. During the year ended December 31, 2017, the Company began hedging interest rate exposure related to the subordinated debentures through interest rate swaps designated as cash flow hedges (see Note 18).

Maturities of long-term debt as of December 31, 2017 are as follows:

	FHLB			Junior Subordinated debt		Total
Due on or before:
December 31, 2018	$	109,712	(1)	$	—	$	109,712	(1)
December 31, 2019		224			—		224
December 31, 2020		131			—		131
December 31, 2021		418			—		418
December 31, 2022		890			—		890
Due thereafter		997			30,930		31,927
Total	$	112,372		$	30,930	$	143,302

(1) Includes $100,000 of advances with 90 day fixed rate repricing terms that are being hedged with interest rate swaps maturing in 2020, 2021, and 2022 in increments of $30,000, $35,000 and $35,000, respectively. As such, these advances are classified as long-term debt on the consolidated balance sheets.

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Income Taxes

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Income Taxes

Note (15)—Income taxes:

In connection with the initial public offering, as discussed in Note 1, the Company terminated its S-corporation status and became a taxable entity (“C corporation”) on September 16, 2016. As such, any periods prior to September 16, 2016 will only reflect an effective state income tax rate. The reported income tax expense for the year ended December 31, 2016 reflects the increase in the deferred tax net liability of $13,181 from the conversion in the taxable status. The deferred tax net liability is the result of timing differences in the recognition of income/deductions for generally accepted accounting principles (“GAAP”) and tax purposes. The consolidated statements of income present unaudited pro forma statements of income for the year to date and for prior year periods.

Allocation of federal and state income taxes between current and deferred portions is as follows:

	December 31,
	2017		2016		2015
Current	$	14,629	$	12,476	$	1,321
Deferred		6,458		9,257		1,647
Total	$	21,087	$	21,733	$	2,968

The reconciliation of income taxes computed at the United States federal statutory tax rates to the provision for income taxes is as follows, for the periods presented:

	December 31,
	2017			2016			2015
Federal taxes calculated at statutory rate	$	25,720		$	5,061		$	—
Increase (decrease) resulting from:
State taxes, net of federal benefit		3,053			3,664			2,956
Revaluation of net deferred tax liability as a result of the Tax    Cuts and Jobs Act		(5,894	)		—			—
Conversion as of September 16, 2016 to C Corporation		—			13,181			—
Benefit of equity based compensation		(310	)		(786	)		—
Permanent items		(1,402	)		(633	)		12
Other		(80	)		1,246			—
Income tax expense, as reported	$	21,087		$	21,733		$	2,968

The components of the net deferred tax liability at December 31, 2017 and 2016, are as follows:

	For the year ended
	December 31,
	2017			2016
Deferred tax assets:
Allowance for loan losses	$	6,264		$	8,516
Amortization of core deposit intangible		759			996
Compensation related		6,158			7,552
Unrealized loss on securities		988			2,462
Other		3,599			2,430
Subtotal		17,768			21,956
Deferred tax liabilities:
FHLB stock dividends		(550	)		(827	)
Depreciation		(4,115	)		(6,548	)
Mortgage servicing rights		(19,830	)		(12,558	)
Other		(5,131	)		(6,203	)
Subtotal		(29,626	)		(26,136	)
Net deferred tax liability	$	(11,858	)	$	(4,180	)

On December 22, 2017, the Tax Cuts and Jobs Act (the “Act”) was signed into law, among other things permanently reduced the corporate tax rate from 35 percent to 21 percent, effective for tax years beginning January 1, 2018. Under the guidance of ASC 740, “Income Taxes” (“ASC 740”), the Company revalued its net deferred tax assets on the date of enactment based on the reduction in the overall future tax benefit expected to be realized at the lower tax rate implemented by the new legislation. After reviewing the Company’s inventory of deferred tax assets and liabilities on the date of enactment and giving consideration to the future impact of the lower corporate tax rates and other provisions of the new legislation, the Company’s revaluation of its net deferred tax liabilities was $5,894, which was included in “income taxes” in the Consolidated Statements of Income. Although in the normal course of business the Company is required to make estimates and assumptions for certain tax items which cannot be fully determined at period end, the Company did not identify items for which the income tax effects of the Tax Act have not been completed as of December 31, 2017 and, therefore, considers its accounting for the tax effects of the Tax Act on its deferred tax assets and liabilities to be complete as of December 31, 2017.

In recording the impact of the conversion to a C corporation, the Company recorded a deferred income tax expense of $2,955 related to the unrealized gain on available for sale securities through the income statement in accordance with ASC 740-20-45-8; therefore, the amount shown in other comprehensive income has not been reduced by the above expense. This difference will remain in OCI until the underlying securities are sold or mature in accordance with the portfolio approach allowed under ASC 740.

Tax periods for all fiscal years after 2013 remain open to examination by the federal and state taxing jurisdictions to which the Company is subject.

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Dividend Restrictions

12 Months Ended

Dec. 31, 2017

Disclosure Of Restrictions On Dividends Loans And Advances Disclosure [Abstract]

Dividend Restrictions

Note (16)—Dividend restrictions:

Due to regulations of the Tennessee Department of Financial Institutions (“TDFI”), the Bank may not declare dividends in any calendar year that exceeds the total of its net income of that year combined with its retained net income of the preceding two years without the prior approval of the TDFI Commissioner. Based upon this regulation, $105,453 and $66,180 was available for payment of dividends without such prior approval at December 31, 2017 and 2016, respectively. In addition, dividends paid by the Bank to the Company would be prohibited if the effect thereof would cause the Bank’s capital to be reduced below applicable minimum capital requirements.

For the years ended December 31, 2017, 2016 and 2015 the Bank declared dividends to the Company in the amounts of $0, $69,300 and $23,600, respectively, which was then paid to the Company’s shareholder.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2017

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note (17)—Commitments and contingencies:

Some financial instruments, such as loan commitments, credit lines, letters of credit, and overdraft protection, are issued to meet customer financing needs. These are agreements to provide credit or to support the credit of others, as long as conditions established in the contract are met, and usually have expiration dates.

Commitments may expire without being used. Off-balance sheet risk to credit loss exists up to the face amount of these instruments, although material losses are not anticipated. The same credit policies are used to make such commitments as are used for loans, including obtaining collateral at exercise of the commitment.

	Year Ended
	December 31,
	2017		2016
Commitments to extend credit, excluding interest rate lock commitments	$	977,276	$	579,879
Letters of credit		22,882		22,547
Balance at end of period	$	1,000,158	$	602,426

Commitments under non-cancelable operating leases were as follows, before considering renewal options that generally are present:

2018	$	3,533
2019		2,806
2020		2,318
2021		2,074
2022		1,623
Thereafter		5,350
Total	$	17,704

Rent expense for the years ended December 31, 2017, 2016 and 2015, was $4,245, $3,904 and $3,750, respectively.

In connection with the sale of mortgage loans to third party investors, the Bank makes usual and customary representations and warranties as to the propriety of its origination activities. Occasionally, the investors require the Bank to repurchase loans sold to them under the terms of the warranties. When this happens, the loans are recorded at fair value with a corresponding charge to a valuation reserve. The total principal amount of loans repurchased (or indemnified for) was $4,704 and $8,326 and $2,453 for the years ended December 31, 2017, 2016 and 2015, respectively. The Bank has established a reserve associated with loan repurchases. This reserve is recorded in accrued expenses and other liabilities on the consolidated balance sheet. The following table summarizes the activity in the repurchase reserve:

	For the year ended
	December 31,
	2017			2016			2015
Balance at beginning of period	$	2,659		$	2,156		$	828
Provision for loan repurchases or indemnifications		810			512			1,375
Recoveries on previous losses		—			9			—
Losses on loans repurchased or indemnified		(83	)		(18	)		(47	)
Balance at end of period	$	3,386		$	2,659		$	2,156

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Derivatives

12 Months Ended

Dec. 31, 2017

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivatives

Note (18)—Derivatives:

The Company utilizes derivative financial instruments as part of its ongoing efforts to manage its interest rate risk exposure as well as the exposure for its customers. Derivative financial instruments are included in the Consolidated Balance Sheets line item “Other assets” or “Other liabilities” at fair value in accordance with ASC 815, “Derivatives and Hedging.”

The Company enters into commitments to originate loans whereby the interest rate on the loan is determined prior to funding (rate-lock commitments). Under such commitments, interest rates for a mortgage loan are typically locked in for up to forty-five days with the customer. These interest rate lock commitments are recorded at fair value in the Company’s Consolidated Balance Sheets.  The Company also enters into forward commitments to sell residential mortgage loans to secondary market investors. Gains and losses arising from changes in the valuation of the rate-lock commitments and forward commitments are recognized currently in earnings and are reflected under the line item “Mortgage banking income” on the Consolidated Statements of Income.

The Company enters into forward commitments, futures and options contracts that are not designated as hedging instruments as economic hedges of the change in the fair value of its MSRs. Gains and losses associated with these instruments are included in earnings and are reflected under the line item “Mortgage banking income” on the Consolidated Statements of Income.

The Company enters into derivative instruments that are not designated as hedging instruments to help its commercial customers manage their exposure to interest rate fluctuations. To mitigate the interest rate risk associated with customer contracts, the Company enters into an offsetting derivative contract. The Company manages its credit risk, or potential risk of default by its commercial customers through credit limit approval and monitoring procedures.

In June of 2017, the Company entered into two interest rate swap agreements with notional amounts totaling $30,000 to hedge interest rate exposure on outstanding subordinate debentures included in long-term debt totaling $30,930. See Note 14 “Long term debt” in the notes to the consolidated financial statements for additional details regarding subordinated debentures. Under these agreements, the Company receives a variable rate of interest and pays a fixed rate of interest. The interest rate swap contracts, which mature in June of 2024, are designated as cash flow hedges with the objective of reducing the variability in cash flows resulting from changes in interest rates. As of December 31, 2017, the fair value of these contracts was $305.

In July of 2017, the Company entered into three interest rate swap contracts on floating rate liabilities at the Bank level with notional amounts of $30,000, $35,000 and $35,000 for a period of three, four and five years, respectively. These interest rate swaps are designated as cash flow hedges with the objective of reducing the variability of cash flows associated with $100,000 of short-term FHLB borrowings obtained to fund the Clayton Banks merger. Under these contracts, the Company receives a variable rate of interest and pays a fixed rate of interest. As of December 31, 2017, the fair value of these contracts was $1,127 included in those designated as hedging below.

Certain financial instruments, including derivatives, may be eligible for offset in the Consolidated Balance Sheet when the “right of setoff” exists or when the instruments are subject to an enforceable master netting agreement, which includes the right of the non-defaulting party or non-affected party to offset recognized amounts, including collateral posted with the counterparty, to determine a net receivable or net payable upon early termination of the agreement. Certain of the Company’s derivative instruments are subject to master netting agreements. The Company has not elected to offset such financial instruments in the Consolidated Balance Sheets.

The following table provides details on the Company’s derivative financial instruments as of the dates presented:

	December 31, 2017
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	146,754	$	1,146	$	1,146
Forward commitments		870,574		—		553
Interest rate-lock commitments		504,156		6,768		—
Futures contracts		283,000		315		—
Option contracts		6,000		29		—
Total	$	1,810,484	$	8,258	$	1,699

	December 31, 2016
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	22,243	$	586	$	586
Forward commitments		829,000		12,731		—
Interest rate-lock commitments		532,920		6,428		—
Futures contracts		—		—		—
Total	$	1,384,163	$	19,745	$	586

	December 31, 2017
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	130,000	$	1,432	$	—
Total	$	130,000	$	1,432	$	—

Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments were as follows:

	Year Ended December 31,
	2017			2016		2015
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	340		$	835	$	2,073
Forward commitments		(11,987	)		10,497		(3,600	)
Futures contracts		315			—		—
Option contracts		22			—		—
Total	$	(11,310	)	$	11,332	$	(1,527	)

	Year Ended December 31,
	2017		2016			2015
Designated as hedging:
Amount of gain reclassified from other comprehensive    income and recognized in interest expense on long-term debt	$	168	$	—		$	—
Included in loss on sale of mortgage servicing rights		—		(5,569	)		—
Total	$	168	$	(5,569	)	$	—

The following discloses the amount included in other comprehensive income, net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Year Ended December 31,
	2017		2016		2015
Designated as hedging:
Amount of gain recognized in other comprehensive    income, net of tax	$	685	$	—	$	—

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Fair Value of Financial Instruments

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Fair value of financial instruments

Note (19)—Fair value of financial instruments:

ASC 820-10 establishes a framework for measuring the fair value of assets and liabilities according to a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The fair value hierarchy gives the highest priority to quoted prices in active markets for identical assets and liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). The hierarchy maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that are derived from assumptions based on management’s estimate of assumptions that market participants would use in pricing the asset or liability based on the best information available under the circumstances.

The hierarchy is broken down into the following three levels, based on the reliability of inputs:

Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities that are accessible at the measurement date.

Level 2: Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data.

Level 3: Significant unobservable inputs for assets or liabilities that are derived from assumptions based on management’s estimate of assumptions that market participants would use in pricing the assets or liabilities.

The Company records the fair values of financial assets and liabilities on a recurring and non-recurring basis using the following methods and assumptions:

Available-for-sale securities—Available-for-sale securities are recorded at fair value on a recurring basis. Fair values for securities are based on quoted market prices, where available. If quoted prices are not available, fair values are based on quoted market prices of similar instruments or are determined by matrix pricing, which is a mathematical technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the pricing relationship or correlation among other benchmark quoted securities. Available-for-sale securities valued using quoted market prices of similar instruments or that are valued using matrix pricing are classified as Level 2. When significant inputs to the valuation are unobservable, the available-for-sale securities are classified within Level 3 of the fair value hierarchy.

Where no active market exists for a security or other benchmark securities, fair value is estimated by the Company with reference to discount margins for other high risk securities.

Loans held for sale—Loans held for sale are carried at fair value. If fair value is used, it is determined using current secondary market prices for loans with similar characteristics, that is, using Level 2 inputs.

Derivatives—The fair value of the interest rate swaps are based upon fair values provided from entities that engage in interest rate swap activity and is based upon projected future cash flows and interest rates. Fair value of commitments is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered. These financial instruments are classified as Level 2.

Other real estate owned—Other real estate owned is comprised of commercial and residential real estate obtained in partial or total satisfaction of loan obligations. OREO acquired in settlement of indebtedness is recorded at the lower of the carrying amount of the loan or the fair value of the real estate less costs to sell. Fair value is determined on a nonrecurring basis based on appraisals by qualified licensed appraisers and is adjusted for management’s estimates of costs to sell and holding period discounts. The valuations are classified as Level 3.

Mortgage servicing rights—Servicing rights are carried at fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, market discount rates, prepayment speeds, servicing costs, and other factors. Mortgage servicing rights are disclosed as Level 3.

Impaired loans—Loans considered impaired under FASB ASC 310, Receivables, are loans for which, based on current information and events, it is probable that the creditor will be unable to collect all amounts due according to the contractual terms of the loan agreement. Fair value adjustments for impaired loans are recorded on a non-recurring basis as either partial write downs based on observable market prices or current appraisal of the collateral. Impaired loans are classified as Level 3.

The following methods were used to estimate the fair value of the Company’s financial instruments which were not previously presented.

Cash and cash equivalents—Cash and cash equivalents consist of cash and due from banks with other financial institutions and federal funds sold. The carrying amount reported in the consolidated balance sheets approximates the fair value based upon the short-term nature of these assets. Also included are interest-bearing deposits in financial institutions. Interest bearing deposits in financial institutions consist of interest bearing accounts at the Federal Reserve Bank and Federal Home Loan Bank. The carrying value reported in the consolidated balance sheets approximates the fair value based upon the short-term nature of the assets.

Federal Home Loan Bank stock—The carrying value of Federal Home Loan Bank stock reported in the consolidated balance sheets approximates the fair value as the stock is redeemable at the carrying value.

Loans—For variable rate loans that re-price frequently and with no significant change in credit risk, fair values are based upon carrying values. Fixed rate loan fair values are estimated using a discounted cash flow analysis based upon interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.

Deposits—The fair value disclosed for demand deposits (both interest bearing and noninterest bearing) and savings deposits are equal to the amount payable on demand as of the reporting date. The fair value of the time deposits is estimated using a discounted cash flow method based upon current rates for similar types of accounts.

Short term borrowings—The fair value of the lines of credit which represent federal funds purchased approximate the carrying value of the amounts reported on the balance sheet due to the short-term nature of these liabilities.

Securities sold under agreement to repurchase—The fair value of the securities sold under agreement to repurchase approximate the carrying value of the amounts reported on the balance sheet due to the short-term nature of these liabilities.

Long-term debt—The fair value of long-term debt is determined using discounted cash flows using current rates.

Accrued interest payable and receivable – The carrying amounts of accrued interest approximate fair value.

The estimated fair values of the Company’s financial instruments are as follows:

			Fair Value
December 31, 2017	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	119,751	$	119,751	$	—	$	—	$	119,751
Available-for-sale securities		543,992		—		540,388		3,604		543,992
Federal Home Loan Bank Stock		11,412		—		—		11,412		11,412
Loans, net		3,142,870		—		3,064,373		77,027		3,141,400
Loans held for sale		526,185		—		526,185		—		526,185
Interest receivable		13,069		—		13,069		—		13,069
Mortgage servicing rights		76,107		—		—		76,107		76,107
Derivatives		9,690		—		9,690		—		9,690
Financial liabilities:
Deposits:
Without stated maturities	$	2,976,066	$	2,976,066	$	—	$	—	$	2,976,066
With stated maturities		688,329		—		682,403		—		682,403
Securities sold under agreement to    repurchase		14,293		14,293		—		—		14,293
Short term borrowings		190,000		190,000		—		—		190,000
Interest payable		1,504		575		929		—		1,504
Long-term debt		143,302		—		149,135		—		149,135
Derivatives		1,699		—		1,699		—		1,699

			Fair Value
December 31, 2016	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	136,327	$	136,327	$	—	$	—	$	136,327
Available-for-sale securities		582,183		—		577,634		4,549		582,183
Federal Home Loan Bank Stock		7,743		—		—		7,743		7,743
Loans, net		1,827,037		—		1,822,054		1,281		1,823,335
Loans held for sale		507,442		—		507,442		—		507,442
Interest receivable		7,241		—		7,241		—		7,241
Mortgage servicing rights, net		32,070		—		—		33,081		33,081
Derivatives		19,745		—		19,745		—		19,745
Financial liabilities:
Deposits:
Without stated maturities	$	2,280,531	$	2,280,531	$	—	$	—	$	2,280,531
With stated maturities		391,031		—		390,484		—		390,484
Securities sold under agreement to    repurchase		21,561		21,561		—		—		21,561
Short term borrowings		150,000		150,000		—		—		150,000
Interest payable		632		249		383		—		632
Long-term debt		44,892		—		47,377		—		47,377
Derivatives		586		—		586		—		586

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2017 are presented in the following table:

At December 31, 2017	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Recurring valuations:
Financial assets:
Available-for-sale securities:
U.S. government agency securities	$	—	$	986	$	—	$	986
Mortgage-backed securities		—		418,781		—		418,781
Municipals, tax-exempt		—		109,251		—		109,251
Treasury securities		—		7,252		—		7,252
Equity securities		—		4,118		3,604		7,722
Total	$	—	$	540,388	$	3,604	$	543,992
Loans held for sale		—		526,185		—		526,185
Mortgage servicing rights		—		—		76,107		76,107
Derivatives		—		9,690		—		9,690
Financial Liabilities:
Derivatives	$	—	$	1,699	$	—	$	1,699

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2017 are presented in the following table:

At December 31, 2017	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Non-recurring valuations:
Financial assets:
Other real estate owned	$	—	$	—	$	13,174	$	13,174
Impaired loans:
Commercial and industrial		—		—		1,971		1,971
Construction						4,211		4,211
Residential real estate:
1-4 family mortgage		—		—		21,902		21,902
Commercial real estate:		—		—
Owner occupied						10,030		10,030
Non-owner occupied		—		—		13,593		13,593
Consumer and other		—		—		25,320		25,320
Total	$	—	$	—	$	77,027	$	77,027

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2016 are presented in the following table:

At December 31, 2016	Quoted prices in active markets for identicalassets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Recurring valuations:
Financial assets:
Available-for-sale securities:
U.S. government agency securities	$	—	$	985	$	—	$	985
Mortgage-backed securities		—		443,908		—		443,908
Municipals, tax-exempt		—		116,923		—		116,923
Treasury securities		—		11,757		—		11,757
Equity securities		—		4,061		4,549		8,610
Total	$	—	$	577,634	$	4,549	$	582,183
Loans held for sale		—		507,442		—		507,442
Derivatives		—		19,745		—		19,745
Financial Liabilities:
Derivatives	$	—	$	586	$	—	$	586

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2016 are presented in the following table:

At December 31, 2016	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Non-recurring valuations:
Financial assets:
Other real estate owned	$	—	$	—	$	2,315	$	2,315
Mortgage servicing rights		—		—		32,070		32,070
Impaired Loans:
Commercial and industrial		—		—		542		542
Residential real estate:
1-4 family mortgage		—		—		103		103
Commercial real estate:
Owner occupied		—		—		635		635
Consumer and other		—		—		1		1
Total	$	—	$	—	$	1,281	$	1,281

There were no transfers between Level 1, 2 or 3 during the periods presented.

The following table provides a reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs, or Level 3 inputs, during the year ended December 31, 2017 and 2016:

	Available-for-sale securities
	Year Ended December 31,
	2017			2016
Balance at beginning of period	$	4,549		$	4,856
Realized gains included in net income		—			—
Unrealized gains included in other comprehensive income		—			—
Impairment of equity securities		(945	)		—
Purchases		—			—
Capital distribution		—			(307	)
Balance at end of period	$	3,604		$	4,549

The fair value of certain of the Company’s equity securities are determined from information derived from external parties that calculate discounted cash flows using swap and LIBOR curves plus spreads that adjust for loss severities, volatility, credit risk and optionality. When available, broker quotes are used to validate the model. Industry research reports as well as assumptions about specific-issuer defaults and deferrals are reviewed and incorporated into the calculations. There is no established market for the Company’s equity securities, and as such, the Company has estimated that historical costs approximates market value.

The following table presents information as of December 31, 2017 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:

Financial instrument	FairValue		Valuation technique	Significant Unobservable inputs	Range of inputs
Impaired loans	$	77,027	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	13,174	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

The following table presents information as of December 31, 2016 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:

Financial instrument	FairValue		Valuation technique	Significant Unobservable inputs	Range of inputs
Impaired loans	$	1,281	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	2,315	Appraised value of property less costs to sell	Discount for costs to sell	0%-10%
Mortgage servicing rights, net	$	33,081	Discounted cash flows	See Note 9	See Note 9

Appraisals for both collateral-dependent impaired loans and other real estate owned are performed by certified general appraisers (for commercial properties) or certified residential appraisers (for residential properties) whose qualifications and licenses have been reviewed and verified by the Company. Once received, a member of the lending administrative department reviews the assumptions and approaches utilized in the appraisal as well as the overall resulting fair value in comparison with independent data sources such as recent market data or industry wide statistics.

Fair value option

The Company elected to measure all loans originated for sale at fair value under the fair value option as permitted under ASC 825. Electing to measure these assets at fair value reduces certain timing differences and better matches the changes in fair value of the loans with changes in the fair value of derivative instruments used to economically hedge them.

Net (losses) gains of $9,111 and $(2,289) resulting from fair value changes of the mortgage loans were recorded in income during the year ended December 31, 2017 and 2016, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both loans held for sale and the related derivative instruments are recorded in Mortgage Banking Income in the Consolidated Statements of Income. Election of the fair value option allows the Company to reduce the accounting volatility that would otherwise result from the asymmetry created by accounting for the financial instruments at the lower of cost or fair value and the derivatives at fair value. The fair value option election does not apply to the GNMA optional repurchase loans which do not meet the requirements under FASB ASC Topic 825 to be accounted for under the fair value option. GNMA optional repurchase loans totaled $43,035 at December 31, 2017 and are included in loans held for sale on the accompanying Consolidated Balance Sheets. Amounts related to previous periods were not deemed significant.

The Company’s valuation of loans held for sale incorporates an assumption for credit risk; however, given the short-term period that the Company holds these loans, valuation adjustments attributable to instrument-specific credit risk is nominal. Interest income on loans held for sale measured at fair value is accrued as it is earned based on contractual rates and is reflected in loan interest income in the Consolidated Statements of Income.

The following table summarizes the differences between the fair value and the principal balance for loans held for sale measured at fair value as of December 31, 2017 and 2016:

December 31, 2017	Aggregate fair value		Aggregate Unpaid Principal Balance		Difference
Mortgage loans held for sale measured at fair value	$	482,089	$	467,039	$	15,050
Past due loans of 90 days or more		320		320		—
Nonaccrual loans		741		741		—
December 31, 2016
Mortgage loans held for sale measured at fair value	$	507,442	$	501,503	$	5,939
Past due loans of 90 days or more		—		—		—
Nonaccrual loans		—		—		—

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Parent Company Only Financial Statements

12 Months Ended

Dec. 31, 2017

Condensed Financial Information Of Parent Company Only Disclosure [Abstract]

Parent Company Only Financial Statements

Note (20)—Parent company only financial statements:

	As of December 31,
Balance sheet	2017		2016
Assets
Cash and cash equivalents(1)	$	25,789	$	30,993
Investments		1,129		2,074
Investments in Bank subsidiary(1)		595,625		325,574
Other assets		5,411		2,972
Goodwill		29		29
Total assets	$	627,983	$	361,642
Liabilities and shareholders' equity
Liabilities
Long-term debt	$	30,930	$	30,930
Accrued expenses and other liabilities		324		214
Total liabilities	$	31,254	$	31,144
Shareholders' equity
Common stock	$	30,536	$	24,108
Additional paid-in capital		418,596		213,480
Retained earnings		147,449		93,784
Accumulated other comprehensive (loss) income		148		(874	)
Total shareholders' equity	$	596,729	$	330,498
Total liabilities and shareholders' equity	$	627,983	$	361,642

(1) Eliminates in Consolidation

	For the years ended December 31,
Income Statements	2017			2016			2015
Income
Other interest income	$	41		$	33		$	33
Interest income from Bank subsidiary (1)		—			95			121
Gain (loss) on investments		(945	)		417			—
Dividend income from Bank subsidiary (1)		—			14,875			25,105
Earnings from Bank subsidiary (1)		54,713			26,859			23,879
Total income	$	53,809		$	42,279		$	49,138
Expenses
Interest expense	$	1,491		$	1,393		$	1,298
Salaries, legal and professional fees		893			315			3
Other noninterest expense		296			168			59
Federal and state income tax benefit		(1,269	)		(188	)		(78	)
Total expenses	$	1,411		$	1,688		$	1,282
Net income	$	52,398		$	40,591		$	47,856

(1) Eliminates in Consolidation

	For the years ended December 31,
Statement of Cash Flows	2017			2016			2015
Operating Activities
Net income	$	52,398		$	40,591		$	47,856
Adjustments to reconcile net income to net cash provided by    operating activities:
Equity in undistributed income of subsidiary bank		(54,713	)		(26,859	)		(23,879	)
Loss (gain) on investments		945			(417	)		—
Stock-based compensation expense		—			4,693			—
(Increase) decrease in other assets		(2,439	)		(427	)		1,292
Increase (decrease) in other liabilities		(551	)		(5,251	)		23
Other, net		-			7			(1	)
Net cash provided by operating activities	$	(4,360	)	$	12,337		$	25,291
Investing Activities
Other investments	$	—		$	724		$	761
Net cash provided by investing activities	$	—		$	724		$	761
Financing Activities
Equity contribution to Bank	$	(154,200	)	$	(20,000	)	$	—
Payment of dividends		—			(69,300	)		(25,350	)
Payment of subordinated debt		—			(10,075	)		—
Net proceeds from sale of common stock		153,356			116,054			—
Net cash (used in) provided by financing activities	$	(844	)	$	16,679		$	(25,350	)
Net (decrease) increase in cash and cash equivalents		(5,204	)		29,740			702
Cash and Cash Equivalents at beginning of year		30,993			1,253			551
Cash and Cash Equivalents at end of year	$	25,789		$	30,993		$	1,253
Supplemental noncash disclosures:
Conversion of cash-settled to stock-settled compensation	$	—		$	5,388		$	—
Forgiveness of intercompany debt	$	—		$	6,024		$	—

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Segment Reporting

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Segment Reporting

Note (21)—Segment reporting:

The Company and the Bank are engaged in the business of banking and provide a full range of financial services. The Company determines reportable segments based on the significance of the segment’s operating results to the overall Company, the products and services offered, customer characteristics, processes and service delivery of the segments and the regular financial performance review and allocation of resources by the Chief Executive Officer (“CEO”), the Company’s chief operating decision maker. The Company has identified two distinct reportable segments—Banking and Mortgage. The Company’s primary segment is Banking, which provides a full range of deposit and lending products and services to corporate, commercial and consumer customers. The Company offers full-service conforming residential mortgage products, including conforming residential loans and services through the Mortgage segment utilizing mortgage offices outside of the geographic footprint of the Banking operations as well as internet delivery channels. Additionally, the Mortgage segment includes the servicing of residential mortgage loans and the packaging and securitization of loans to governmental agencies. The residential mortgage products and services originated in our Banking footprint and related revenues and expenses are included in our Banking segment. The Company’s mortgage division represents a distinct reportable segment which differs from the Company’s primary business of commercial and retail banking.

The financial performance of the Mortgage segment is assessed based on results of operations reflecting direct revenues and expenses and allocated expenses. This approach gives management a better indication of the operating performance of the segment. When assessing the Banking segment’s financial performance the CEO utilizes reports with indirect revenues and expenses including but not limited to the investment portfolio, electronic delivery channels and areas that primarily support the banking segment operations. Therefore these are included in the results of the Banking segment. Other indirect revenue and expenses related to general administrative areas are also included in the internal financial results reports of the Banking segment utilized by the CEO for analysis and are thus included for Banking segment reporting. The Mortgage segment utilizes funding sources from the Banking segment in order to fund mortgage loans that are ultimately sold on the secondary market. The Mortgage segment uses the proceeds from loan sales to repay obligations due to the Banking segment.

During the year ended December 31, 2016, the Company realigned its segment reporting structure to reclassify mortgage banking income and related expenses associated with retail mortgage originations within our Banking geographic footprint from the Mortgage segment to the Banking segment. This change was made to capture all of the product and service offerings for our Banking customer base within our banking geographic footprint into the Banking segment while capturing all of the mortgage banking activities outside of the banking footprint into the Mortgage segment to allow our CEO to better determine resource allocations and operating performance for each segment. As such, the tables below have been revised to reflect the reclassification for all periods presented.

The following tables provides segment financial information for the years ended December 31, 2017, 2016 and 2015 follows:

Year Ended December 31, 2017	Banking			Mortgage			Consolidated
Net interest income	$	153,018		$	253		$	153,271
Provision for loan loss		(950	)		—			(950	)
Mortgage banking income		26,737			93,620			120,357
Change in fair value of mortgage servicing rights(1)		—			(3,424	)		(3,424	)
Other noninterest income		24,648			—			24,648
Depreciation		3,801			515			4,316
Amortization of intangibles		1,995			—			1,995
Loss on sale of mortgage servicing rights		—			249			249
Other noninterest mortgage banking expense		21,714			76,582			98,296
Other noninterest expense(2)		117,461			—			117,461
Income before income taxes		60,382			13,103			73,485
Income tax expense								21,087
Net income								52,398
Total assets	$	4,130,349		$	597,364		$	4,727,713
Goodwill		137,090			100			137,190
(1) Included in mortgage banking income.
(2) Included $19,034 in merger and conversion expenses related to the merger with the Clayton Banks.

Year Ended December 31, 2016	Banking			Mortgage			Consolidated
Net interest income	$	112,365		$	(1,415	)	$	110,950
Provision for loan loss		(1,479	)		—			(1,479	)
Mortgage banking income		25,542			92,209			117,751
Other noninterest income		26,934			—			26,934
Depreciation and amortization		3,506			489			3,995
Amortization of intangibles		2,132			—			2,132
Amortization and impairment of mortgage servicing rights		—			12,999			12,999
Loss on sale of mortgage servicing rights		—			4,447			4,447
Other noninterest mortgage banking expense		16,095			66,256			82,351
Other noninterest expense(1)		88,866			—			88,866
Income before income taxes		55,721			6,603			62,324
Income tax expense								21,733
Net income								40,591
Total assets	$	2,752,773		$	524,108		$	3,276,881
Goodwill		46,767			100			46,867

(1) Included $3,268 in merger and conversion expenses related to the acquisition of NWGB.

Year Ended December 31, 2015	Banking			Mortgage		Consolidated
Net interest income	$	92,366		$	1,506	$	93,872
Provision for loan loss		(3,070	)		6		(3,064	)
Mortgage banking income		18,718			51,472		70,190
Other noninterest income		22,190			—		22,190
Depreciation and amortization		2,933			350		3,283
Amortization of intangibles		1,731			—		1,731
Amortization and impairment of mortgage servicing rights		—			2,795		2,795
Other noninterest mortgage banking expense		13,189			42,949		56,138
Other noninterest expense(1)		74,545			—		74,545
Income before income taxes		43,946			6,878		50,824
Income tax expense							2,968
Net income							47,856
Total assets	$	2,570,071		$	329,349	$	2,899,420
Goodwill		46,804			100		46,904

(1) Included $3,543 in merger and conversion expenses related to the acquisition of NWGB.

Our Banking segment provides our Mortgage segment with a warehouse line of credit that is used to fund mortgage loans held for sale. The warehouse line of credit had a prime interest rate of 4.50%, 3.75% and 3.50% as of December 31, 2017, 2016 and 2015, respectively. The amount of interest paid by our Mortgage segment to our Banking segment under this warehouse line of credit is recorded as interest income to our Banking segment and as interest expense to our Mortgage segment, both of which are included in the calculation of net interest income for each segment. The amount of interest paid by our Mortgage segment to our Banking segment under this warehouse line of credit was $16,932, $12,636 and $8,688 for theDecember 31, 2017, 2016 and 2015, respectively.

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Minimum Capital Requirements

12 Months Ended

Dec. 31, 2017

Banking And Thrift [Abstract]

Minimum capital requirements

Note (22)—Minimum capital requirements:

Banks and bank holding companies are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and, additionally for banks, prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators. Failure to meet capital requirements can initiate regulatory action.

For December 31, 2017 and 2016 Interim Final Basel III rules require the Bank to maintain minimum amounts and ratios of common equity Tier I capital to risk-weighted assets. Additionally under Basel III rules, the decision was made to opt-out of including accumulated other comprehensive income in regulatory capital. As of December 31, 2017 and 2016, the Bank and Company met all capital adequacy requirements to which it is subject. Also, as of December 31, 2017, the most recent notification from the FDIC, the Bank was well capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s category.

The table below includes new regulatory capital ratio requirements that became effective on January 1, 2015. Beginning in 2016, an additional conservation buffer was added to the minimum requirements for capital adequacy purposes, subject to a three year phase-in period. The capital conservative buffer will be fully phased in January 1, 2019 at 2.5 percent.

Actual and required capital amounts and ratios are presented below at period-end.

	Actual					Forcapital adequacy purposes					Minimum Capital adequacy with capital buffer					To be well capitalized underprompt corrective action provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2017
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	496,422		12.01	%	$	330,672		8.0	%	$	382,340		9.25	%	N/A		N/A
FirstBank		466,102		11.30	%		329,984		8.0	%		381,544		9.25	%	$	412,480		10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	472,381		11.43	%	$	247,969		6.0	%	$	299,629		7.25	%	N/A		N/A
FirstBank		442,061		10.72	%		247,422		6.0	%		298,968		7.25	%	$	247,422		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	472,381		10.46	%	$	180,643		4.0	%	N/A		N/A			N/A		N/A
FirstBank		442,061		9.77	%		180,987		4.0	%	N/A		N/A			$	226,234		5.0	%
Common Equity Tier 1 Capital    (to risk-weighted assets)
FB Financial Corporation	$	442,381		10.71	%	$	185,874		4.5	%	$	237,506		5.75	%	N/A		N/A
FirstBank		442,061		10.72	%		185,567		4.5	%		237,113		5.75	%	$	268,041		6.5	%

	Actual					For capital adequacy purposes					Minimum Capital adequacy with capital buffer					To be well capitalized under prompt corrective action provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2016
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	338,893		13.03	%	$	208,069		8.0	%	$	224,325		8.63	%	N/A		N/A
FirstBank		304,018		11.72	%		207,521		8.0	%		223,733		8.63	%	$	259,401		10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	317,146		12.19	%	$	156,101		6.0	%	$	172,362		6.63	%	N/A		N/A
FirstBank		282,271		10.88	%		155,664		6.0	%		171,879		6.63	%	$	155,664		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	317,146		10.05	%	$	126,227		4.0	%	N/A		N/A			N/A		N/A
FirstBank		282,271		8.95	%		126,155		4.0	%	N/A		N/A			$	157,693		5.0	%
Common Equity Tier 1 Capital    (to risk-weighted assets)
FB Financial Corporation	$	287,146		11.04	%	$	117,043		4.5	%	$	133,299		5.13	%	N/A		N/A
FirstBank		282,271		10.88	%		116,748		4.5	%		132,963		5.13	%	$	168,636		6.5	%

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Employee Benefit Plans

12 Months Ended

Dec. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Employee Benefit Plans

Note (23)—Employee benefit plans:

(A)—401(k) plan:

The Bank has a 401(k) Plan (the “Plan”) whereby substantially all employees participate in the Plan. Employees may contribute the maximum amount of their eligible compensation subject to certain limits based on the federal tax laws. The Bank makes matching contributions of 25% of participant contributions not to exceed 6% of an employee’s total compensation. The Bank may also make discretionary Profit Sharing contributions. Matching and profit sharing contributions are vested equally over five years. For the years ended December 31, 2017, 2016 and 2015, the matching portions provided by the Bank to this Plan were $2,344 and $1,379 and $1,290 respectively, which includes the additional discretionary contribution of 25% match contributed in those years.

(B)—Acquired supplemental retirement plans:

In prior years, the Company assumed certain nonqualified supplemental retirement plans for certain former employees of acquired entities. At December 31, 2017 and 2016, other liabilities on the consolidated balance sheet include post-retirement benefits payable of $1,510 and $2,023, respectively, related to these plans. For the years ended December 31, 2017, 2016 and 2015, the Company recorded expense of $4, $30 and $313, respectively, related to these plans and payments to the participants were $191, $205 and $202 in 2017, 2016 and 2015, respectively. The Company also acquired single premium life insurance policies on these individuals. At December 31, 2017 and 2016, other assets on the consolidated balance sheet include $10,873 and $10,556 and reported cash value income (net of related insurance premium expense) of $164, $181 and $136 in 2017, 2016 and 2015, respectively.

(C)—Deferred compensation plans and agreements:

The Bank has granted awards (“EBI Units”) to certain employees pursuant to the FirstBank 2010 Equity Based Incentive Plan (the “2010 EBI Plan”), the FirstBank 2012 Equity Based Incentive Plan (the “2012 EBI Plan”) and the FirstBank Preferred Equity Based Incentive Plan (the “Preferred EBI Plan” and, together with the 2010 EBI Plan and the 2012 EBI Plan, the “EBI Plans”). Prior to the initial public offering, awards granted under EBI Plans were settled in cash only. Following the initial public offering, participants in the EBI Plans were given the one-time option to elect, for each EBI Unit vested to such participant, either (i) an amount in cash or (ii) a number of shares of Company common stock determined pursuant to a conversion formula that took into account the effect of the initial public offering. Consistent with the terms of the EBI Plans and approved by the Board of Directors, outstanding EBI Units were adjusted to reflect the 100-for-one stock split that was effectuated prior to the IPO.

The Bank also has entered into a separate deferred compensation agreement with one key executive.  

Each plan or agreement is an unfunded general obligation of the Bank. The plans and agreements have varying vesting periods and other terms as follows:

2010 EBI Plan— Pursuant to the terms of the 2010 EBI Plan, each EBI Unit vests ratably over five years, or earlier upon a change of control, death or disability or retirement after age 65.On or shortly following the vesting date, the holder of an EBI Unit will receive an amount in cash (or, if so elected by the participant following the IPO, in stock) equal to the fair market value of a share of common stock on the December 31 immediately preceding the payment date. Prior to the IPO, fair market value was determined by dividing 7.5% of the total assets of the Bank by the total number of outstanding common stock shares of the Company. Following the IPO, EBI Units are valued based upon the Company’s stock price. Units under this plan became fully vested January, 2017.

Preferred EBI Plan—The Preferred EBI Plan has the same terms and conditions as those described above for the 2010 EBI Plan, with the exception of a seven year ratable vesting period. Units under this plan became fully vested January, 2017.

2012 EBI Plan— Pursuant to the terms of the 2012 EBI Plan, each EBI Unit vests and becomes payable following the third anniversary of the date of grant, or earlier upon a change of control, death or disability or retirement after age 65.  On or shortly following the vesting date, the holder of an EBI Unit will receive an amount in cash (or, if so elected by the participant following the IPO, in stock) equal to the fair market value of a share of common stock on the December 31 immediately preceding the payment date. Following the IPO, EBI Units are valued based upon the Company’s stock price. Prior to the IPO, fair market value of the Company was determined based upon the average of the sum of (a) 15 times the Company’s after-tax earnings, based on a default tax rate imposed by the Code, and (b) 1.5 times the Company’s tangible book value, defined as the consolidated equity of the Company less unrealized gains (losses) and less goodwill and intangible assets. Following the IPO, EBI Units outstanding under the 2012 EBI Plan were adjusted to prevent dilution of these EBI Units as a result of the IPO pursuant to the following conversion formula: (i) the number of EBI Units outstanding under the 2012 EBI Plan (as adjusted for the stock split), multiplied by (ii) 1.13 (determined by dividing $21.4085, the fair market value per EBI Unit as determined under the 2012 EBI Plan, by $19.00, the IPO price).

Deferred compensation Agreement—Effective December 31, 2014, the Bank entered into an agreement with the Bank’s Chief Executive Officer to reward his prior service, pursuant to which he is entitled to receive a fixed lump sum cash payment equal to $3,000,000 on December 31, 2019 or the earlier occurrence of his separation of service or a change in control of the Company. On August 19, 2016, the Bank entered into an amendment to the deferred compensation agreement, pursuant to which the deferred account is now denominated in 157,895 deferred stock units, determined by dividing $3,000,000 by $19.00 (the IPO price). The deferred stock units are convertible on a 1-for-1 basis into shares of Company common stock on the original payment date described above.

Summary—At December 31, 2017 and 2016, other liabilities in the accompanying consolidated balance sheet include liabilities for the awards under the EBI Plans and Mr. Holmes’ agreement totaling $2,346 and $3,758, respectively. Effective September 16, 2016, $5,388 of accrued compensation was reclassified to additional paid in capital related to these awards. As of December 31, 2017 and 2016, 67,470 and 180,447 units, respectively, remain in the equity based incentive plan for those employees who elected cash settlement of EBI units. For the year ended December 31, 2017 and 2016, the Company incurred expenses related to these plans and agreements totaling $3,685 and $5,073, respectively, which is included in salaries, commissions and employee benefits in the accompanying statement of income. Additionally, payments under the plans totaled $5,163 and $1,601, respectively, for 2017 and 2016.

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Stock-Based Compensation

12 Months Ended

Dec. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation

Note (24)—Stock-Based Compensation

The Company granted shares of common stock and restricted stock units in connection with its initial public offering and compensation arrangements for the benefit of employees, executive officers, and directors. Additionally, restricted stock unit grants are subject to time-based vesting. The total number of restricted stock units granted represents the maximum number of restricted stock units eligible to vest based upon the service conditions set forth in the grant agreements.

Additionally, following the initial public offering, participants in the EBI Plans (see Note 23) were given the option to elect conversion of their outstanding cash-settled EBI Units to stock-settled restricted stock units.

The following table summarizes information about vested and unvested restricted stock units outstanding at December 31, 2016:

	For the year ended
	December 31,
	2017					2016
	Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value		Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value
Balance at beginning of period		1,200,840		$	19.00		—
Conversion of deferred compensation plan		—			19.00		157,895			19.00
Conversion of equity based incentive (EBI) plans		—			19.00		125,684			19.00
Grants		123,169			35.15		1,077,066			19.00
Released and distributed (vested)		(103,639	)		21.25		(157,748	)		19.00
Forfeited/expired		(6,045	)		19.00		(2,057	)		19.00
Balance at end of period		1,214,325		$	19.97		1,200,840			19.00

The total fair value of restricted stock units vested and released was $2,202 and $2,997  for the years ended December 31, 2017 and 2016, respectively.

The compensation cost related to stock grants and vesting of restricted stock units was $8,184and $4,693 for the year ended December 31, 2017 and 2016, respectively. This included $551 paid to Company independent directors during the year ended December 31, 2017 related to one time IPO grants and director compensation elected to be settled in stock. There were no such director grants during the year ended December 31, 2016.

As of December 31, 2017 and 2016, there were $12,950 and $15,721, respectively, of total unrecognized compensation cost related to nonvested stock-settled EBI Units and restricted stock units which is expected to be recognized over a weighted-average period of 2.80 years and 3.66 years, respectively.

At December 31, 2017 and 2016, there were 67,470 and 180,477 units valued at $2,833 and $4,683, respectively, remaining in the equity based incentive plans for employees who elected cash settlement of EBI units. Expense related to the cash settled EBI for the years ended December 31, 2017 and 2016 was $1,213 and $337, respectively.

Employee Stock Purchase Plan:

In 2016, the Company adopted an employee stock purchase plan (“ESPP”) under which employees, through payroll deductions, are able to purchase shares of Company common stock. The purchase price was the IPO price of $19.00 per share, with respect to the first offering period ended in 2016, and is 95% with respect to subsequent offering periods, of the lower of the price on the first or last day of the offering period. The maximum number of shares issuable during any offering period is 200,000 shares and a participant may not purchase more than 725 shares during any offering period (and, in any event, no more than $25,000 worth of common stock in any calendar year). During the years ended December 31, 2017 and 2016, there were 18,658 shares and 20,377 shares of common stock issued under the ESPP, respectively. As of December 31, 2017 and 2016, there were 2,460,965 and 2,479,623 shares available for issuance under the ESPP.

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Related party transactions

12 Months Ended

Dec. 31, 2017

Related Party Transactions [Abstract]

Related party transactions

Note (25)—Related party transactions:

(A) Loans:

The Bank has made and expects to continue to make loans to the directors, certain management and executive officers of the Company and their affiliates in the ordinary course of business, in compliance with regulatory requirements. In management’s opinion, these transactions with directors and executive officers were made on substantially the same terms as those prevailing at the time for comparable transactions with other unaffiliated persons and did not involve more than the normal risk.

An analysis of loans to executive officers, certain management, and directors of the Bank and their affiliates follows:

Loans outstanding at January 1, 2017	$	27,370
New loans and advances		1,204
Change in related party status		(624	)
Repayments		(6,938	)
Loans outstanding at December 31, 2017	$	21,012

Unfunded commitments to certain executive officers, certain management and directors and their associates totaled $4,672 and $6,838 at December 31, 2017 and 2016, respectively.

(B) Deposits:

The Bank held deposits from related parties totaling $110,465 and $150,373 as of December 31, 2017 and 2016, respectively.

(C) Leases:

The Bank leases various office spaces from entities owned by certain directors of the Company under varying terms. The Company had $137 and $158 in unamortized leasehold improvements related to these leases at December 31, 2017 and 2016, respectively. These improvements are being amortized over a term not to exceed the length of the lease. Lease expense for these properties totaled $504, $522 and $503 for the years ended December 31, 2017, 2016 and 2015, respectively.

(D) Consulting services:

The Bank paid $306 for the year ended December 31, 2015 in management consulting services to an entity owned 100% by the then-sole shareholder. The agreement was terminated effective January 1, 2016.

(E) Subordinated debt:

On February 12, 1996, the Company borrowed $775 from the then-sole shareholder through a term subordinated note. On August 26, 1999, the Company borrowed $3,300 from the shareholder through a term subordinated note. On June 30, 2006, the Company borrowed $6,000 from the shareholder through a term subordinated note. The total of $10,075 was repaid with cash proceeds from the sale of common stock in the initial public offering, as discussed in Note 1. The Company paid interest payments related to these subordinated debentures to the shareholder amounting to approximately $230 and $237 for the years ended December 31 2016 and 2015, respectively.

(F) Investment securities transactions:

The Company holds an investment in a fund that was issued by an entity owned by one of its directors. The balance in the investment was $200 and $1,145 as of December 31, 2017 and 2016, respectively..

(G) Aviation time sharing agreement:

Effective May 24, 2016, the Company entered an aviation time sharing agreement with an entity owned by certain directors of the Company. This replaces the previous agreement dated December 21, 2012. During the years ended December 31, 2017 and 2016, the Company made payments of $176 and $313, respectively, under these agreements.

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Subsequent Event

12 Months Ended

Dec. 31, 2017

Subsequent Events [Abstract]

Subsequent events

Note (26)—Subsequent event:

The Company has evaluated subsequent events through March 16, 2018, the date these financial statements were available to be issued. There were no subsequent events that occurred after December 31, 2017, but prior to the issuance of these financial statements that would have a material impact on the Company’s consolidated financial statements.

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Basis of Presentation (Policies)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Basis of presentation

(B) Basis of presentation:

The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America and general banking industry. In preparing the financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and the reported results of operations for the year then ended.

Actual results could differ significantly from those estimates. Material estimates that are particularly susceptible to significant changes in the near term relate to the determination of the allowance for loan losses, investment securities determination of other-than-temporary impairment (“OTTI”), the determination of fair value in business combinations, the valuation of other real estate owned, and the determination of the fair value of financial instruments, loans held for sale and mortgage servicing rights. In connection with the determination of the estimated fair value of other real estate owned and impaired loans, management obtains independent appraisals for significant properties.

The consolidated financial statements include the accounts of the Company, the Bank, and its’ wholly-owned subsidiaries, FirstBank Insurance, Inc., First Holdings, Inc., RE Holdings, Inc., and Investors Title Company. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain prior period amounts have been reclassified to conform to the current period presentation without any impact on the reported amounts of net income or shareholders’ equity.

Cash flows

(C) Cash flows:

For purposes of reporting consolidated cash flows, cash and cash equivalents include cash on hand, amounts due from banks, federal funds sold and interest earning deposits in other financial institutions with maturities of less than 90 days at the date of purchase. These amounts are reported in the consolidated balance sheets caption “Cash and cash equivalents.” Net cash flows are reported for loans held for investment, deposits, repurchase agreements, federal funds sold, and short-term borrowings.

Cash and cash equivalents

(D) Cash and cash equivalents:

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash and cash equivalents.

Investment securities

(E) Investment securities:

Debt securities are classified as held to maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they might be sold before maturity. Equity securities with readily determinable fair values are classified as available-for-sale. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income, net of applicable taxes.

Interest income includes the amortization and accretion of purchase premium and discount. Premiums and discounts on securities are amortized on the level-yield method anticipating prepayments based upon the prior three month average monthly prepayments when available. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

The Company evaluates securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. For securities in an unrealized loss position, consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, and the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. In analyzing an issuer’s financial condition, the Company considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition.

When OTTI is determined to have occurred, the amount of the OTTI recognized in earnings depends on whether we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. If we intend to sell the security or it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the OTTI recognized in earnings is equal to the entire difference between its amortized cost basis and its fair value at the date it was determined to be OTTI. If we do not intend to sell the security and it is not more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the OTTI is separated into the amount representing the credit loss and the amount related to all other factors. The amount of the total related to the credit loss is determined based on the present value of cash flows expected to be collected and is recognized as a charge to earnings. The amount of the OTTI related to other factors is recognized in other comprehensive income, net of applicable taxes. The previous amortized cost basis less the OTTI recognized in earnings becomes the new amortized cost basis of the investment. During the year ended December 31, 2017, the Company recorded OTTI amounting to $945 as discussed in Note 4.

Loans held for sale

(F) Loans held for sale:

Loans originated and intended for sale in the secondary market, primarily mortgage loans, are carried at fair value as permitted under the guidance in ASC 825, “Financial Instruments” (“ASC 825”). Net (losses) gains of $9,111, $(2,289), and $2,257 resulting from fair value changes of these mortgage loans were recorded in income during 2017, 2016, and 2015, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both mortgage loans held for sale and the related derivative instruments are recorded in “Mortgage banking income” in the Consolidated Statements of Income. Gains and losses are recognized in Mortgage banking income on the consolidated statements of income at the time the loan is closed. Pass through origination costs and related loan fees are also included in “Mortgage banking income”. Effective December 31, 2017, the Company adopted a change in accounting policy to recognize revenue on Best Efforts deliveries and accrue commissions at the time of the interest rate lock commitment.  Management believes this treatment better correlates and streamlines the revenue and expenses of mortgage sale delivery methods.

Periodically, the Bank will transfer mortgage loans originated for sale in the secondary markets into the loan portfolio based on current market conditions, the overall secondary marketability of the loan and the status of the loan. During 2017, 2016 and 2015, the Bank transferred approximately $11,706, $18,000, and $5,000, respectively, of residential mortgage loans into its portfolio. The loans are transferred into the portfolio at fair value at the date of transfer.

Government National Mortgage Association (GNMA) optional repurchase programs allow financial institutions to buy back individual delinquent mortgage loans that meet certain criteria from the securitized loan pool for which the institution provides servicing and was the original transferor. At the servicer’s option and without GNMA’s prior authorization, the servicer may repurchase such a delinquent loan for an amount equal to 100 percent of the remaining principal balance of the loan. Under FASB ASC Topic 860, “Transfers and Servicing,” this buy-back option is considered a conditional option until the delinquency criteria are met, at which time the option becomes unconditional. When the Company is deemed to have regained effective control over these loans under the unconditional buy-back option and the expected benefit of the potential buy-back is more than trivial, the loans can no longer be reported as sold and must be brought back onto the balance sheet as loans held for sale, regardless of whether the Company intends to exercise the buy-back option. These loans are reported as loans held for sale with the offsetting liability being reported in other liabilities. At December 31, 2017, rebooked GNMA loans held for sale amounted to $43,035. Amounts related to prior periods were not significant. The fair value option election does not apply to the GNMA optional repurchase loans which do not meet the requirements under FASB ASC Topic 825 to be accounted for under the fair value option.

Loans (excluding purchased credit impaired loans)

(G) Loans (excluding purchased credit impaired loans):

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or pay-off are stated at the principal amount outstanding. Interest on loans is recognized as income by using the simple interest method on daily balances of the principal amount outstanding.

Loans on which the accrual of interest has been discontinued are designated as nonaccrual loans. Accrual of interest is discontinued on loans past due 90 days or more unless the credit is well secured and in the process of collection. Also, a loan may be placed on nonaccrual status prior to becoming past due 90 days if management believes, after considering economic and business conditions and collection efforts, that the borrower’s financial condition is such that collection of principal or interest is doubtful. The decision to place a loan on nonaccrual status prior to becoming past due 90 days is based on an evaluation of the borrower’s financial condition, collateral liquidation value, economic and business conditions and other factors that affect the borrower’s ability to pay. When a loan is placed on nonaccrual status, the accrued but unpaid interest is charged against current period operations. Thereafter, interest on nonaccrual loans is recognized only as received if future collection of principal is probable. If the collectability of outstanding principal is doubtful, interest received is applied as a reduction of principal. A loan may be restored to accrual status when principal and interest are no longer past due or it otherwise becomes both well secured and collectability is reasonably assured.

Allowance for loan losses

(H) Allowance for loan losses:

The allowance for loan losses is a valuation allowance for probable incurred credit losses. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. Management estimates the allowance balance required using past loan loss experience, the nature and volume of the portfolio, information about specific borrower situations and estimated collateral values, economic conditions, and other factors. Allocations of the allowance may be made for specific loans, but the entire allowance is available for any loan that, in management’s judgment, should be charged off.

Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

Commercial and commercial real estate loans over $250 are individually evaluated for impairment. If a loan is impaired, a portion of the allowance is allocated so that the loan is reported, net, at the present value of estimated future cash flows using the loan’s existing rate or at the fair value of collateral if repayment is expected solely from the collateral. Large groups of smaller balance homogeneous loans, such as consumer, residential real estate loans, commercial and commercial real estate loans less than $250 are collectively evaluated for impairment, and accordingly, they are not separately identified for impairment disclosures.

Loans for which the terms have been modified resulting in a concession, and for which the borrower is experiencing financial difficulties, are considered troubled debt restructurings (“TDRs”) and classified as impaired. TDRs are separately identified for impairment disclosures and are measured at the present value of estimated future cash flows using the loan’s effective rate at inception. If a TDR is considered to be a collateral dependent loan, the loan is reported, net, at the fair value of the collateral.

The general component covers non-impaired loans and is based on historical loss experience adjusted for current factors. The historical loss experience is determined by portfolio segment and is based on the actual loss history experienced by the Company over the most recent 5 years. This actual loss experience is supplemented with other economic factors based on the risks present for each portfolio segment. These economic factors include consideration of the following: levels of and trends in delinquencies and impaired loans; levels of and trends in charge-offs and recoveries; trends in volume and terms of loans; effects of any changes in risk selection and underwriting standards; other changes in lending policies, procedures, and practices; experience, ability, and depth of lending management and other relevant staff; national and local economic trends and conditions; industry conditions; and effects of changes in credit concentrations.

The following portfolio segments have been identified:

Commercial and industrial loans. The Company provides a mix of variable and fixed rate commercial and industrial loans. Commercial and industrial loans are typically made to small- and medium-sized manufacturing, wholesale, retail and service businesses for working capital and operating needs and business expansions, including the purchase of capital equipment and loans made to farmers relating to their operations. This category also includes loans secured by manufactured housing receivables. Commercial and industrial loans generally include lines of credit and loans with maturities of five years or less. The loans are generally made with operating cash flows as the primary source of repayment, but may also include collateralization by inventory, accounts receivable, equipment and/or personal guarantees. The ability of the borrower to collect accounts receivable, and to turn inventory into sales are risk factors in the repayment of the loan.

Construction loans. Construction loans include commercial construction, land acquisition and land development loans and single-family interim construction loans to small- and medium-sized businesses and individuals. These loans are generally secured by the land or the real property being built and are made based on our assessment of the value of the property on an as-completed basis. We expect to continue to make construction loans at a similar pace so long as demand continues and the market for and values of such properties remain stable or continue to improve in our markets. These loans can carry risk of repayment when projects incur cost overruns, have an increase in the price of building materials, encounter zoning and environmental issues, or encounter other factors that may affect the completion of a project on time and on budget. Additionally, repayment risk may be negatively impacted when the market experiences a deterioration in the value of real estate.

Residential real estate 1-4 family mortgage loans. The Company’s residential real estate 1-4 family mortgage loans are primarily made with respect to and secured by single family homes, which are both owner-occupied and investor owned and include manufactured homes with real estate. The Company intends to continue to make residential 1-4 family housing loans at a similar pace, so long as housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. First lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate.

Residential line of credit loans. The Company’s residential line of credit loans are primarily revolving, open-end lines of credit secured by 1-4 residential properties. The Company intends to continue to make home equity loans if housing values in our markets do not deteriorate from current prevailing levels and we are able to make such loans consistent with our current credit and underwriting standards. Second lien residential 1-4 family mortgages may be affected by unemployment or underemployment and deteriorating market values of real estate.

Multi-family residential loans. The Company’s multi-family residential loans are primarily secured by multi-family properties, such as apartments and condominium buildings. These loans may be affected by unemployment or underemployment and deteriorating market values of real estate.

Commercial real estate loans. The Company’s commercial real estate owner-occupied loans include loans to finance commercial real estate owner occupied properties for various purposes including use as offices, warehouses, production facilities, health care facilities, retail centers, restaurants, churches and agricultural based facilities. Commercial real estate owner-occupied loans are typically repaid through the ongoing business operations of the borrower, and hence are dependent on the success of the underlying business for repayment and are more exposed to general economic conditions.

Commercial real estate non-owner occupied loans. The Company’s commercial real estate non-owner occupied loans include loans to finance commercial real estate non-owner occupied investment properties for various purposes including use as offices, warehouses, health care facilities, hotels, mixed-use residential/commercial, manufactured housing communities, retail centers, assisted living facilities and agricultural based facilities. Commercial real estate non-owner occupied loans are typically repaid with the funds received from the sale of the completed property or rental proceeds from such property, and are therefore more sensitive to adverse conditions in the real estate market, which can also affected by general economic conditions.

Consumer and other loans. The Company’s consumer and other loans include loans to individuals for personal, family and household purposes, including car, boat and other recreational vehicle loans, manufactured homes without real estate, and personal lines of credit.   Consumer loans are generally secured by vehicles and other household goods. The collateral securing consumer loans may depreciate over time. The company seeks to minimize these risks through its underwriting standards. Other loans also include loans to states and political subdivisions in the U.S. These loans are generally subject to the risk that the borrowing municipality or political subdivision may lose a significant portion of its tax base or that the project for which the loan was made may produce inadequate revenue.

Business combinations, accounting for acquired loans and related assets

(I) Business combinations, accounting for acquired loans and related assets:

Business combinations are accounted for by applying the acquisition method in accordance with ASC 805, “Business Combinations” (“ASC 805”). Under the acquisition method, identifiable assets acquired and liabilities assumed and any non-controlling interest in the acquiree at the acquisition date are measured at their fair values as of that date. Any excess of the purchase price over fair value of net assets acquired is recorded as goodwill. To the extent the fair value of net assets acquired, including any other identifiable intangible assets, exceed the purchase price, a bargain purchase gain is recognized. Results of operations of the acquired entities are included in the Consolidated Statements of Income from the date of acquisition.

Loans acquired in business combinations with evidence of credit deterioration since origination and for which it is probable that all contractually required payments will not be collected are considered to be credit-impaired. Purchased credit-impaired loans (“PCI” loans) are accounted for under the accounting guidance for loans and debt securities acquired with deteriorated credit quality, in accordance with ASC 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality” (“ASC 310-30”), and initially measured at fair value, which includes estimated future credit losses expected to be incurred over the life of the loans. Increases in expected cash flows to be collected on these loans are recognized as an adjustment of the loan’s yield over its remaining life, while decreases in expected cash flows are recognized as an impairment. As a result, related discounts are recognized subsequently through accretion based on the expected cash flow of the acquired loans.

Premises and equipment

(J) Premises and equipment:

Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation. Provisions for depreciation are computed principally on the straight-line method and are charged to occupancy expense over the estimated useful lives of the assets. Maintenance agreements are amortized to expense over the period of time covered by the agreement. Costs of major additions, replacements or improvements are capitalized while expenditures for maintenance and repairs are charged to expense as incurred.

For financial statement purposes, the estimated useful life for premises is forty years, for furniture and fixtures the estimated useful life is seven to ten years, for leasehold improvements the estimated useful life is the lesser of twenty years or the term of the lease and for equipment the estimated useful life is three to seven years.

Other real estate owned

(K) Other real estate owned:

Real estate acquired through, or in lieu of, loan foreclosure is initially recorded at fair value less the estimated cost to sell at the date of foreclosure which may establish a new cost basis. After foreclosure, valuations are periodically performed by management and the asset is carried at the lower of carrying amount or fair value less costs to sell. Revenue and expenses from operations are included in other noninterest income and noninterest expenses. Losses due to the valuation of the property are included in (gain) loss on sales or write-downs of foreclosed assets.

Mortgage servicing rights

(L) Mortgage servicing rights:

The Company retains the right to service certain mortgage loans that it sells to secondary market investors. The retained mortgage servicing right is initially recorded at the fair value of future net cash flows expected to be realized for performing servicing activities. These mortgage servicing rights are recognized as a separate asset on the date the corresponding mortgage loan is sold.

In periods prior to 2017, mortgage servicing rights were amortized in proportion to and over the period of estimated net servicing income. These servicing rights were carried at the lower of amortized cost or fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs, and other factors. Mortgage servicing rights were carried at amortized cost less the reserve for impairment at December 31, 2016. Impairment losses on mortgage servicing rights were recognized to the extent by which the unamortized cost exceeded fair value. Impairment losses on mortgage servicing rights of $4,678 and $194 were recognized in earnings during the years ended December 31, 2016 and 2015, respectively.

As of January 1, 2017, the Company elected to account for its mortgage servicing rights under the fair value option as permitted under ASC 860-50-35, Transfers and Servicing. The change in accounting policy resulted in a one-time adjustment to retained earnings of $615 for the after-tax increase in fair value above book value at January 1, 2017. Subsequent changes in fair value are recorded in earnings in Mortgage banking income.

Transfers of financial assets

(M) Transfers of financial assets:

Transfers of financial assets are accounted for as sales, when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.

Goodwill and other intangibles

(N) Goodwill and other intangibles:

Goodwill represents the excess of the cost of an acquisition over the fair value of the net assets acquired. Goodwill impairment testing is performed annually or more frequently if events or circumstances indicate possible impairment. Goodwill is assigned to the Company’s reporting units, Banking or Mortgage as applicable. See Note 2, “Mergers and acquisitions” for information related to the goodwill recorded in the Bank’s acquisitions of Clayton Bank and Trust and American City Bank. As discussed in Note 21, the Company realigned its segment reporting structure during the year ended December 31, 2016. As a result, our reporting units have been adjusted to reflect this change from geographic-based reporting units to business segment reporting units. Goodwill is evaluated for impairment by either performing a qualitative evaluation or a two-step quantitative test. The qualitative evaluation is an assessment of factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount, including goodwill.  If an entity does a qualitative assessment and determines that it is not more likely than not the fair value of a reporting unit is less than its carrying amount, then goodwill of the reporting unit is not considered impaired, and it is not necessary to continue to the two-step goodwill impairment test. If the estimated implied fair value of goodwill is less than the carrying amount, an impairment loss would be recognized as noninterest expense to reduce the carrying amount to the estimated implied fair value which could be material to our operating results for any particular reporting period. No impairment was identified through the quantitative annual assessment for impairment performed as of December 31, 2017. Additionally, qualitative and quantitative assessments were performed for the years ended December 31, 2016 and 2015, respectively, and no impairment was identified.

Other intangible assets consist of core deposit intangible assets arising from whole bank and branch acquisitions in addition to an operating lease intangible, customer Trust intangible and manufactured housing servicing intangible recorded in conjunction with the acquisition of the Clayton Banks completed on July 31, 2017 (see Note 2). All intangible assets are initially measured at fair value and then amortized over their estimated useful lives.

Income taxes

(O) Income taxes:

Prior to September 16, 2016, the Company was taxed under the provisions of subchapter S of the Internal Revenue Code.  Under these provisions, the Company did not pay corporate federal income taxes on its taxable income but was liable for Tennessee corporate income taxes. Instead, the shareholder was liable for individual income taxes on the Company’s taxable income.  The Company and the Bank file consolidated federal and state income tax returns.

Unaudited pro forma amounts for income tax expense and basic and diluted earnings per share have been presented assuming the Company’s pro forma effective tax rate of 36.75% for the year ended December 31, 2016 and 35.08% for the year ended December 31, 2015, as if it had been a C corporation during those periods. In addition, the unaudited pro forma results for the year ended December 31, 2016 excludes the effect of recognition of the deferred tax liability attributable to conversion of $13,181 as discussed in Note 15.

Income tax expense is the total of the current year income tax due and the change in deferred tax assets and liabilities. Deferred tax assets and liabilities are the expected future tax amounts for the temporary differences between carrying amounts and tax bases of assets and liabilities, computed using enacted tax rates. A valuation allowance, if needed, reduces deferred tax assets to the amount expected to be realized. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. See Note 15, “Income taxes” for information related to the impact of the Tax Cuts and Jobs Act signed into law on December 22, 2017.

A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.

The Company’s policy is to recognize interest and penalties on uncertain tax positions in “Income tax expense” in the Consolidated Statements of Income. There were no amounts related to interest and penalties recognized for the years ended December 31, 2017, 2016 or 2015.

Long-lived assets

(P) Long-lived assets:

Premises and equipment, core deposit intangible assets, and other long-lived assets are reviewed for impairment when events indicate their carrying amount may not be recoverable from future undiscounted cash flows. If impaired, the assets are recorded at fair value. No long-lived assets were deemed to be impaired at December 31, 2017 and 2016.

Off-Balance sheet financial instruments

(Q) Off-balance sheet financial instruments:

Financial instruments include off-balance sheet credit instruments, such as commitments to make loans and commercial letters of credit, issued to meet customer financing needs. The face amount for these items represents the exposure to loss, before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded, unless considered derivatives.

Derivative financial instruments and hedging activities

(R) Derivative financial instruments and hedging activities:

All derivative financial instruments are recorded at their fair values in other assets or other liabilities in the consolidated balance sheets in accordance with ASC 815, “Derivatives and Hedging.” If derivative financial instruments are designated as hedges of fair values, both the change in the fair value of the hedge and the hedged item are included in current earnings. If derivative financial instruments are not designated as hedges, only the change in the fair value of the derivative instrument is included in current earnings.

Cash flow hedges are utilized to mitigate the exposure to variability in expected future cash flows or other types of forecasted transactions. For the Company’s derivatives designated as cash flow hedges, changes in the fair value of cash flow hedges are, to the extent that the hedging relationship is effective, recorded as other comprehensive income and are subsequently recognized in earnings at the same time that the hedged item is recognized in earnings. The ineffective portions of the changes in fair value of the hedging instruments are immediately recognized in earnings. The assessment of the effectiveness of the hedging relationship is evaluated under the hypothetical derivative method.  

The Company also utilizes derivative instruments that are not designated as hedging instruments. The Company enters into interest rate cap and/or floor agreements with its customers and then enters into an offsetting derivative contract position with other financial institutions to mitigate the interest rate risk associated with these customer contracts. Because these derivative instruments are not designated as hedging instruments, changes in the fair value of the derivative instruments are recognized currently in earnings.

The Company enters into commitments to originate loans whereby the interest rate on the loan is determined prior to funding (rate-lock commitments). Rate-lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Accordingly, such commitments, along with any related fees received from potential borrowers, are recorded at fair value in other assets or liabilities, with changes in fair value recorded in the line item “Mortgage banking income” on the Consolidated Statements of Income. Fair value is based on fees currently charged to enter into similar agreements, and for fixed-rate commitments, the difference between current levels of interest rates and the committed rates is also considered.

The Company utilizes forward loan sale contracts and forward sales of residential mortgage-backed securities to mitigate the interest rate risk inherent in the Company’s mortgage loan pipeline and held-for-sale portfolio. Forward sale contracts are contracts for delayed delivery of mortgage loans or a group of loans pooled as mortgage-backed securities. The Company agrees to deliver on a specified future date, a specified instrument, at a specified price or yield. However, the contract may allow for cash settlement. The credit risk inherent to the Company arises from the potential inability of counterparties to meet the terms of their contracts. In the event of non-acceptance by the counterparty, the Company would be subject to the credit and inherent (or market) risk of the loans retained. Such contracts are accounted for as derivatives and, along with related fees paid to investor are recorded at fair value in derivative assets or liabilities, with changes in fair value recorded in the line item “Mortgage banking income” on the Consolidated Statements of Income. Fair value is based on the estimated amounts that the Company would receive or pay to terminate the commitment at the reporting date.

The Company utilizes two methods to deliver mortgage loans sold to an investor. Under a “best efforts” sales agreement, the Company enters into a sales agreement with an investor in the secondary market to sell the loan when an interest rate-lock commitment is entered into with a customer, as described above. Under a “best efforts” sales agreement, the Company is obligated to sell the mortgage loan to the investor only if the loan is closed and funded. Thus, the Company will not incur any liability to an investor if the mortgage loan commitment in the pipeline fails to close. The Company also utilizes “mandatory delivery” sales agreements. Under a mandatory delivery sales agreement, the Company commits to deliver a certain principal amount of mortgage loans to an investor at a specified price and delivery date. Penalties are paid to the investor should the Company fail to satisfy the contract. Mandatory commitments are recorded at fair value in the Company’s Consolidated Balance Sheets. Gains and losses arising from changes in the valuation of these commitments are recognized currently in earnings and are reflected under the line item “Other noninterest income” on the Consolidated Statements of Income.

Comprehensive income

(S) Comprehensive income:

Comprehensive income consists of net income and other comprehensive income. Other comprehensive income includes unrealized gains and losses on available-for-sale securities and derivatives designated as cash flow hedges, net of taxes.

Loss contingencies

(T) Loss contingencies:

Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on the financial statements.

Securities sold under agreements to repurchase

(U) Securities sold under agreements to repurchase:

The Company routinely sells securities to certain customers and then repurchases the securities the next business day. Securities sold under agreements to repurchase are reflected in the consolidated balance sheets at the amount of cash received in connection with each transaction. These are secured liabilities and are not covered by the Federal Deposit Insurance Corporation.

Advertising expense

(V) Advertising expense:

Advertising costs, including costs related to internet mortgage marketing and related costs, are expensed as incurred. For the years ended December 31, 2017, 2016 and 2015, advertising costs were $12,957, $10,608 and $8,062, respectively.

Earnings per common share

(W) Earnings per common share:

Basic earnings per common share are net income divided by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under the restricted stock units granted but not yet vested and distributable. Unearned compensation plus assumed proceeds from the applicable tax benefits are used to repurchase common stock at the average market price. There were no dilutive instruments outstanding during the year ended December 31, 2015; therefore, diluted net income per common share is the same as basic net income per share.

The following is a summary of the basic and diluted earnings per common share calculation for each of the periods presented:

	December 31,
	2017		2016		2015
Basic earnings per share calculation:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Basic earnings per share	$	1.90	$	2.12	$	2.79
Diluted earnings per share:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Average diluted common shares outstanding		580,374		146,992		—
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Diluted earnings per share	$	1.86	$	2.10	$	2.79
Pro forma earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Pro forma basic earnings per share	$	1.90	$	2.06	$	1.92
Pro forma diluted earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Pro forma diluted earnings per share	$	1.86	$	2.04	$	1.92

Segment reporting

(X) Segment reporting:

The Company’s Mortgage division represents a distinct reportable segment which differs from the Company’s primary business of Banking. Accordingly, a reconciliation of reportable segment revenues, expenses and profit to the Company’s consolidated total has been presented in Note 21.

Stock-based compensation

(Y) Stock-based compensation

Stock-based compensation expense is recognized in accordance with ASC 718-20, “Compensation – Stock Compensation Awards Classified as Equity”. Expense is recognized based on the fair value of the portion of stock-based payment awards that are ultimately expected to vest, reduced for estimated forfeitures based on grant-date fair value. The restricted stock unit awards are amortized over the required service period, if any. 

Recent Accounting Pronouncements

(Z) Recent Accounting Pronouncements

In May 2014, the FASB issued an update to Accounting Standards Update (“ASU”) No. 2014-09, “Revenue from Contracts with Customers” (FASB Topic 606). The guidance in this update affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The guidance provides steps to follow to achieve the core principle. An entity should disclose sufficient information to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. Qualitative and quantitative information is required about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. The amendments in this update are effective for interim and annual reporting periods beginning after December 15, 2017. The Company's revenue is comprised of interest income on financial assets, which is excluded from the scope of this new guidance, and non-interest income. The Company adopted this new guidance on January 1, 2018, and it will not have a significant impact on the Company's financial condition, results of operations or EPS.

In September 2015, the FASB issued ASU 2015-16, “Simplifying the Accounting for Measurement-Period Adjustments.” The update requires acquirers to adjust provisional amounts identified during the measurement period in the reporting period in which the adjustments are determined, rather than retrospectively adjusting previously reported information. Additional disclosure of the impact of measurement period adjustments on current year earnings will also be required. For public business entities, the amendments of this update were effective for interim and annual periods beginning after December 15, 2015. The Company elected to early adopt this ASU for the year ended December 31, 2015. The adoption of this ASU did not have a material impact on the Company’s financial position, results of operation, or earnings per share (“EPS”).

In January 2016, the FASB released ASU 2016-01, “Recognition and Measurement of Financial Assets and Liabilities.” The main provisions of the update are to eliminate the available for sale classification of accounting for equity securities and adjust the fair value disclosures for financial instruments carried at amortized cost such that the disclosed fair values represent an exit price as opposed to an entry price. The provisions of this update will require that equity securities be carried at fair market value on the balance sheet and any periodic changes in value will be adjustments to the income statement. A practical expedient is provided for equity securities without a readily determinable fair value such that these securities can be carried at cost less any impairment. The Company adopted this new guidance on January 1, 2018, and it will not have a significant impact on the Company’s financial position, results of operation, or EPS.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The update will require lessees to recognize right-of-use assets and lease liabilities for all leases not considered short term leases. The provisions of the update also include (a) defining direct costs to only include those incremental costs that would not have been incurred if the lease had not been entered into, (b) circumstances under which the transfer contract in a sale-leaseback transaction should be accounted for as the sale of an asset by the seller-lessee and the purchase of an asset by the buyer-lessor, and (c) additional disclosure requirements. The provisions of this update become effective for interim and annual periods beginning after December 15, 2018. Management is currently evaluating the potential impact of this update, but does not expect the requirements to have a significant impact on the Company’s financial position, results of operation, or EPS.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” Under ASU 2016-09 all excess tax benefits and tax deficiencies related to share-based payment awards should be recognized as income tax expense or benefit in the income statement during the period in which they occur. Previously, such amounts were recorded in the pool of excess tax benefits included in additional paid-in capital, if such pool was available. Because excess tax benefits are no longer recognized in additional paid-in capital, the assumed proceeds from applying the treasury stock method when computing earnings per share should exclude the amount of excess tax benefits that would have previously been recognized in additional paid-in capital. Additionally, excess tax benefits should be classified along with other income tax cash flows as an operating activity rather than a financing activity, as was previously the case. ASU 2016-09 also provides that an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur. ASU 2016-09 changes the threshold to qualify for equity classification (rather than as a liability) to permit withholding up to the maximum statutory tax rates (rather than the minimum as was previously the case) in the applicable jurisdictions. ASU 2016-09 will become effective for interim and annual periods beginning after December 15, 2016. The Company elected to early adopt this ASU for the year ended December 31, 2016. The adoption of this ASU did not have a material impact on the Company’s financial position, results of operation, or EPS.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts and requires enhanced disclosures related to the significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, ASU 2016-13 amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. ASU 2016-13 will become effective for interim and annual periods beginning after December 15, 2019.  Management is currently evaluating the potential impact of this update.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows - Classification of Certain Cash Receipts and Cash Payments (Topic 230).” ASU 2016-15 provides guidance related to certain cash flow issues in order to reduce the current and potential future diversity in practice. ASU 2016-15 became effective for the Company as of January 1, 2018 and it will not have a significant impact on our financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805) - Clarifying the Definition of a Business.” ASU 2017-01 clarifies the definition and provides a more robust framework to use in determining when a set of assets and activities constitutes a business. ASU 2017-01 is intended to provide guidance when evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. ASU 2017-01 will become effective for interim and annual periods beginning after December 15, 2017.  If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles – Goodwill and Other (Topic 350) – Simplifying the Test for Goodwill Impairment.” ASU 2017-04 eliminates step two from the goodwill impairment test. Instead, an entity will perform only step one of its quantitative goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount, and then recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. An entity will still have the option to perform a qualitative assessment for a reporting unit to determine if the quantitative step one impairment test is necessary. ASU 2017-01 will become effective for interim and annual periods beginning after December 15, 2019. Early adoption is permitted, including in an interim period, for impairment tests performed after January 1, 2017. If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In March 2017, the FASB issued ASU 2017-08, “Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities." The amendments in this ASU shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount, which continue to be amortized to maturity. Public business entities must prospectively apply the amendments in this ASU to annual periods beginning after December 15, 2018, including interim periods. The Company does not expect this update to have a material impact on its consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09, “Stock Compensation - Scope of Modification Accounting (Topic 718): Scope of Modification Accounting.” The amendments in this ASU provide guidance on when changes to the terms or conditions of a share-based payment award are to be accounted for as modifications. Under ASU 2017-09, entities are not required to apply modification accounting to a share-based payment award when the award’s fair value, vesting conditions, and classification as an entity or a liability instrument remain the same after the change. ASU 2017-09 is effective for all entities beginning after December 15, 2017 including interim periods within the fiscal year. Early adoption is permitted. Upon adoption, the ASU will be applied prospectively to awards modified on or after the adoption date. The adoption of this update will not have a significant impact on its consolidated financial statements.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities.” The amendments in this ASU make more financial and non-financial hedging strategies eligible for hedge accounting. It also amends the presentation and disclosure requirements and changes how companies assess effectiveness. The Company has elected to early adopt this update effective January 1, 2018. If this standard had been effective for the year ended December 31, 2017, there would have been no impact on our consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, “Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The amendments in this ASU addressed the income tax accounting treatment of the stranded tax effects within other comprehensive income due to the newly enacted federal corporate tax rate included in the Tax Cuts and Jobs Act issued December 22, 2017. These amendments allow an entity to make a reclassification from other comprehensive income to retained earnings for the difference between the historical corporate income tax rate and the newly enacted corporate income tax rate. The amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those years.Early adoption is permitted, including adoption in any interim period, for public companies for reporting periods for which financial statements have not yet been issued. The Company elected to early adopt ASU 2018-02 and, as a result, reclassified $652 from accumulated other comprehensive income to retained earnings as of December 31, 2017. The reclassification impacted the Consolidated Balance Sheet and the Consolidated Statement of Changes in Shareholders’ Equity as of and for the year ended December 31, 2017.

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Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Summary of Basic and Diluted Earnings Per Common Share

The following is a summary of the basic and diluted earnings per common share calculation for each of the periods presented:

	December 31,
	2017		2016		2015
Basic earnings per share calculation:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Basic earnings per share	$	1.90	$	2.12	$	2.79
Diluted earnings per share:
Net income	$	52,398	$	40,591	$	47,856
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Average diluted common shares outstanding		580,374		146,992		—
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Diluted earnings per share	$	1.86	$	2.10	$	2.79
Pro forma earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average basic shares outstanding		27,627,228		19,165,182		17,180,000
Pro forma basic earnings per share	$	1.90	$	2.06	$	1.92
Pro forma diluted earnings per share:
Pro forma net income	$	52,398	$	39,422	$	32,995
Weighted-average diluted shares outstanding		28,207,602		19,312,174		17,180,000
Pro forma diluted earnings per share	$	1.86	$	2.04	$	1.92

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Mergers and acquisitions (Tables)

12 Months Ended

Dec. 31, 2017

Clayton Banks

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

As of December 31, 2017, the Company has finalized its valuation of all assets acquired and liabilities assumed, resulting in no material changes to preliminary purchase accounting adjustments. The following tables present the final estimated fair value of net assets acquired as of the July 31, 2017 acquisition date and the consideration paid and an allocation of the purchase price to net assets acquired:

	As of July 31, 2017
	As Recorded by FB Financial Corporation
Assets
Cash and cash equivalents	$	49,059
Investment securities		59,493
FHLB stock		3,409
Loans		1,059,728
Allowance for loan losses		-
Premises and equipment		18,866
Other real estate owned		6,888
Intangibles, net		12,334
Other assets		5,978
Total assets	$	1,215,755
Liabilities
Interest-bearing deposits	$	670,054
Non-interest bearing deposits		309,464
Borrowings		84,831
Accrued expenses and other liabilities		5,245
Total liabilities	$	1,069,594
Net assets acquired (excluding goodwill recognized)	$	146,161

Schedule of Consideration Paid and Allocation of Purchase Price to Net Assets Acquired

Purchase price:
Equity consideration
Common stock issued		1,521,200
Price per share as of July 31, 2017	$	34.37
Total equity consideration			$	52,284
Cash consideration				184,200	(2)
Total consideration paid			$	236,484
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets			$	146,161
Goodwill				90,323
Total consideration paid			$	236,484

Schedule of Fair Value of Acquired Purchase Credit Impaired Loans

The following table presents the fair value of acquired purchase credit impaired loans accounted for in accordance with ASC 310-30 from the Clayton Banks as of the July 31, 2017 acquisition date:

	July 31, 2017
Contractually-required principal and interest	$	115,448
Nonaccretable difference		(12,430	)
Best estimate of contractual cash flows expected to be collected		103,018
Accretable yield		(18,868	)
Fair value	$	84,150

Business Acquisition, Pro Forma Information

The pro forma information is not indicative of what would have occurred had the acquisition taken place on January 1, 2016 and does not reflect any assumptions regarding cost-savings, revenue enhancements, provision for credit losses or asset dispositions. Actual revenues and earnings of the Clayton Banks since the merger date have not been disclosed as it is not practicable as the Clayton Banks were merged into the Company and separate financial information is not readily available.

	Year Ended December 31,
	2017		2016
Net interest income	$	192,633	$	171,383
Total revenues	$	336,404	$	322,045
Net income	$	75,659	$	64,608

Northwest Georgia Bank

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following tables present the final estimated fair value of net assets acquired as of the September 18, 2015 acquisition date and the consideration paid and an allocation of the purchase price to net assets acquired:

	As of September 18, 2015
	As Recorded by FB Financial Corporation
Assets
Cash and cash equivalents	$	25,495
Investment securities		133,124
FHLB stock		1,154
Loans		78,565
Allowance for loan losses		-
Premises and equipment		15,343
Other real estate owned		5,002
Intangibles, net		4,931
Other assets		8,735
Total assets	$	272,349
Liabilities
Interest-bearing deposits	$	213,126
Non-interest bearing deposits		33,090
Borrowings		20,378
Accrued expenses and other liabilities		1,461
Total liabilities	$	268,055
Net assets acquired (excluding goodwill recognized)	$	4,294

Schedule of Consideration Paid and Allocation of Purchase Price to Net Assets Acquired

Purchase price:
Cash Consideration paid	$	1,500
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets		4,294
Bargain purchase gain	$	2,794	(1)

Business Acquisition, Pro Forma Information

The pro forma information is not indicative of what would have occurred had the acquisition taken place on January 1, 2014 and does not include the effect of all cost-saving or revenue-enhancing strategies.

	Year Ended December 31, 2015
Net interest income	$	102,290
Total revenues	$	191,002
Net income	$	46,042

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Cash and Cash Equivalents Concentrations (Tables)

12 Months Ended

Dec. 31, 2017

Risks And Uncertainties [Abstract]

Schedule of Amounts Due from Correspondent Institutions having Concentration of Credit Risk

The Bank had amounts due from their correspondent institutions at December 31, 2017 and 2016, as follows:

Bank Name	2017		2016
First Tennessee Bank, N.A.	$	2,477	$	26,381
Federal Reserve Bank of Atlanta		22,103		61,623
JP Morgan Chase Bank, N.A.		3,138		2,272
Federal Home Loan Bank of Cincinnati		1,489		11,409
Fifth Third Bank		1,558		1,598
BBVA Compass		1,065		987
Zions Bank, N.A.		500		501
Servis First Bank		350		350
SunTrust Bank		230		232
PNC Bank, N.A.		211		213
First National Bankers Bank		200		200
US Bank, N.A.		98		—
Wells Fargo Bank, N.A.		88		—
Alostar Bank of Commerce		538		—
Synovus Bank		291		1,062
	$	34,336	$	106,828

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Investment securities (Tables)

12 Months Ended

Dec. 31, 2017

Investments Debt And Equity Securities [Abstract]

Summary of Amortized Cost of Securities and Fair Values

The amortized cost of securities and their fair values at December 31, 2017 and 2016 are shown below:

	December 31, 2017
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Securities Available-for-Sale
Debt securities
U.S. government agency securities	$	999	$	—	$	(13	)	$	986
Mortgage-backed securities - residential		425,557		374		(7,150	)		418,781
Municipals, tax exempt		107,127		2,692		(568	)		109,251
Treasury securities		7,345		—		(93	)		7,252
Total debt securities		541,028		3,066		(7,824	)		536,270
Equity securities		7,870		1		(149	)		7,722
Total securities available-for-sale	$	548,898	$	3,067	$	(7,973	)	$	543,992

	December 31, 2016
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Securities Available-for-Sale
Debt securities
U.S. government agency securities	$	998	$	—	$	(13	)	$	985
Mortgage-backed securities - residential		450,874		939		(7,905	)		443,908
Municipals, tax exempt		116,034		3,003		(2,114	)		116,923
Treasury securities		11,809		—		(52	)		11,757
Total debt securities		579,715		3,942		(10,084	)		573,573
Equity securities		8,744		1		(135	)		8,610
Total securities available-for-sale	$	588,459	$	3,943	$	(10,219	)	$	582,183

Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity

Therefore, mortgage-backed securities are not included in the maturity categories in the following maturity summary.

	Year Ended December 31,
	2017				2016
	Available-for-sale				Available-for-sale
	Amortized cost		Fair value		Amortized cost		Fair value
Due in one year or less	$	905	$	925	$	9,290	$	9,352
Due in one to five years		28,332		28,878		25,520		26,340
Due in five to ten years		19,218		19,588		31,122		32,248
Due in over ten years		67,016		68,098		62,909		61,725
		115,471		117,489		128,841		129,665
Mortgage-backed securities - residential		425,557		418,781		450,874		443,908
Total debt securities	$	541,028	$	536,270	$	579,715	$	573,573

Summary of Sales of Available-for-Sale Securities

Sales of available-for-sale securities were as follows:

	Year Ended December 31,
	2017		2016
Proceeds from sales	$	94,743	$	271,148
Gross realized gains		1,277		4,755
Gross realized losses		48		348
Other-than-temporary-impairment	945			—

Schedule of Gross Unrealized Losses

The Company also recognized $1 on gains related to the early call of available for sale securities during the year ended December 31, 2017.

The following tables show gross unrealized losses at December 31, 2017 and 2016, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	December 31, 2017
	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized loss
U.S. government agency securities	$	—	$	—	$	986	$	13	$	986	$	13
Mortgage-backed securities - residential		107,611		980		290,258		6,170		397,869		7,150
Municipals, tax exempt		7,354		101		20,112		467		27,466		568
Treasury securities		7,252		93		—		—		7,252	$	93
Total debt securities		122,217		1,174		311,356		6,650		433,573		7,824
Equity securities		—		—		3,050		149		3,050		149
	$	122,217	$	1,174	$	314,406	$	6,799	$	436,623	$	7,973

	December 31, 2016
	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized loss
U.S. government agency securities	$	985	$	13	$	—	$	—	$	985	$	13
Mortgage-backed securities - residential		390,595		7,230		19,073		675		409,668		7,905
Municipals, tax exempt		43,132		2,114		—		—		43,132		2,114
Treasury securities		10,256		52		—		—		10,256		52
Total debt securities		444,968		9,409		19,073		675		464,041		10,084
Equity securities		—		—		3,126		135		3,126		135
	$	444,968	$	9,409	$	22,199	$	810	$	467,167	$	10,219

Schedule of Other Than Temporary Impairment, Credit Losses Recognized In Earnings

Changes in the amount of credit related losses recognized in earnings for which OTTI has been recognized are as follows:

Balance as of January 1, 2017	$	—
Additions related to credit losses for which OTTI was not previously recognized		(945	)
Reductions for securities sold during the period		—
Reductions for securities where there is an intent to sell or requirement to sell		—
Increases in credit loss for which OTTI was previously recognized		—
Reductions for increases in cash flows expected to be collected		—
Balance as of December 31, 2017	$	(945	)

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Loans and Allowance for Loan Losses (Tables)

12 Months Ended

Dec. 31, 2017

Receivables [Abstract]

Loans Outstanding by Major Lending Classification

Loans outstanding at December 31, 2017 and 2016, by major lending classification are as follows:

	December 31,
	2017			2016
Commercial and industrial	$	715,075		$	386,233
Construction		448,326			245,905
Residential real estate:
1-to-4 family mortgage		480,989			294,924
Residential line of credit		194,986			177,190
Multi-family mortgage		62,374			44,977
Commercial real estate:
Owner occupied		495,872			357,346
Non-owner occupied		551,588			267,902
Consumer and other		217,701			74,307
Gross loans		3,166,911			1,848,784
Less: Allowance for loan losses		(24,041	)		(21,747	)
Net loans	$	3,142,870		$	1,827,037

Schedule of Changes Value of Accretable Yield of PCI Loans

The following table presents changes in the value of the accretable yield for PCI loans for the periods indicated.

	Year Ended
	December 31,
	2017			2016			2015
Balance at December 31, 2016	$	(2,444	)	$	(1,637	)	$	—
Additions through the acquisition of the Clayton    Banks		(18,868	)		—			(1,991	)
Principal reductions and other reclassifications from nonaccretable difference		(1,841	)		(3,438	)		(100	)
Recoveries		(23	)		—			—
Accretion		5,299			2,631			454
Other changes		195			—			—
Balance at December 31, 2017	$	(17,682	)	$	(2,444	)	$	(1,637	)

Allowance for Loan Losses by Portfolio Segment and Related Investment in Loans Net of Unearned Interest

The following provides the allowance for loan losses by portfolio segment and the related investment in loans net of unearned interest for the years December 31, 2017, 2016 and 2015:

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage			Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2017
Beginning balance -    December 31, 2016	$	5,309		$	4,940		$	3,197		$	1,613		$	504		$	3,302		$	2,019		$	863		$	21,747
Provision for loan losses		(2,158	)		1,138			41			(788	)		(70	)		483			(848	)		1,252			(950	)
Recoveries of loans    previously charged-off		1,894			1,084			159			395			—			61			1,646			532			5,771
Loans charged off		(584	)		(27	)		(200	)		(276	)		—			(288	)		—			(1,152	)		(2,527	)
Ending balance -    December 31, 2017	$	4,461		$	7,135		$	3,197		$	944		$	434		$	3,558		$	2,817		$	1,495		$	24,041

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage		Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2016
Beginning balance - December 31, 2015	$	5,135		$	5,143		$	4,176		$	2,201		$	311	$	3,682		$	2,622		$	1,190		$	24,460
Provision for loan losses		212			(417	)		(882	)		(630	)		193		(271	)		(271	)		587			(1,479	)
Recoveries of loans    previously charged-off		524			216			127			174			—		140			195			240			1,616
Loans charged off		(562	)		(2	)		(224	)		(132	)		—		(249	)		(527	)		(1,154	)		(2,850	)
Ending balance -    December 31, 2016	$	5,309		$	4,940		$	3,197		$	1,613		$	504	$	3,302		$	2,019		$	863		$	21,747

	Commercial and industrial			Construction			1-to-4 family residential mortgage			Residential line of credit			Multi- family residential mortgage		Commercial real estate owner occupied			Commercial real estate non-owner occupied			Consumer and other			Total
Year Ended December 31, 2015
Beginning balance -    December 31, 2014	$	6,600		$	3,721		$	6,364		$	2,790		$	184	$	6,075		$	2,641		$	655		$	29,030
Provision for loan losses		(624	)		149			(1,521	)		(645	)		127		(1,366	)		(307	)		1,123			(3,064	)
Recoveries of loans    previously charged-off		112			1,354			161			286			—		35			342			548			2,838
Loans charged off		(953	)		(81	)		(828	)		(230	)		—		(1,062	)		(54	)		(1,136	)		(4,344	)
Ending balance - December 31, 2015	$	5,135		$	5,143		$	4,176		$	2,201		$	311	$	3,682		$	2,622		$	1,190		$	24,460

Allocation of Allowance for Loan Losses by Loan Category Broken Out Between Loans Individually and Collectively Evaluated for Impairment

The following table provides the allocation of the allowance for loan losses by loan category broken out between loans individually evaluated for impairment and loans collectively evaluated for impairment as of December 31, 2017, 2016 and 2015:

													December 31, 2017
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	20	$	—	$	18	$	—	$	—	$	120	$	33	$	—	$	191
Collectively evaluated for    impairment		4,441		7,135		3,179		944		434		3,438		2,784		1,495		23,850
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance -    December 31, 2017	$	4,461	$	7,135	$	3,197	$	944	$	434	$	3,558	$	2,817	$	1,495	$	24,041

													December 31, 2016
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	135	$	—	$	23	$	—	$	—	$	113	$	242	$	—	$	513
Collectively evaluated for    impairment		5,174		4,940		3,174		1,613		504		3,189		1,777		863		21,234
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance -    December 31, 2016	$	5,309	$	4,940	$	3,197	$	1,613	$	504	$	3,302	$	2,019	$	863	$	21,747

													December 31, 2015
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Amount of allowance allocated to:
Individually evaluated for    impairment	$	89	$	5	$	66	$	—	$	—	$	74	$	739	$	—	$	973
Collectively evaluated for    impairment		5,046		5,138		4,110		2,201		311		3,608		1,883		1,190		23,487
Acquired with deteriorated    credit quality		—		—		—		—		—		—		—		—		—
Ending balance-    December 31, 2015	$	5,135	$	5,143	$	4,176	$	2,201	$	311	$	3,682	$	2,622	$	1,190	$	24,460

Amount of Loans by Loan Category Broken Between Loans Individually and Collectively Evaluated for Impairment

The following table provides the amount of loans by loan category broken between loans individually evaluated for impairment and loans collectively evaluated for impairment as of December 31, 2017, 2016 and 2015:

													December 31, 2017
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated for    impairment	$	1,579	$	1,289	$	1,262	$	-	$	978	$	2,520	$	1,720	$	25	$	9,373
Collectively evaluated for    impairment		711,352		439,309		456,229		194,986		61,376		481,390		531,704		192,357		3,068,703
Acquired with deteriorated    credit quality		2,144		7,728		23,498		—		20		11,962		18,164		25,319		88,835
Ending balance -    December 31, 2017	$	715,075	$	448,326	$	480,989	$	194,986	$	62,374	$	495,872	$	551,588	$	217,701	$	3,166,911

													December 31, 2016
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated    for impairment	$	1,476	$	2,686	$	2,471	$	311	$	1,027	$	2,752	$	2,201	$	27	$	12,951
Collectively evaluated    for impairment		384,279		238,900		290,346		176,879		43,922		350,812		260,361		74,276		1,819,775
Acquired with deteriorated    credit quality		478		4,319		2,107		—		28		3,782		5,340		4		16,058
Ending balance -    December 31, 2016	$	386,233	$	245,905	$	294,924	$	177,190	$	44,977	$	357,346	$	267,902	$	74,307	$	1,848,784

													December 31, 2015
	Commercial and industrial		Construction		1-to-4 family residential mortgage		Residential line of credit		Multi- family residential mortgage		Commercial real estate owner occupied		Commercial real estate non-owner occupied		Consumer and other		Total
Loans, net of unearned income
Individually evaluated    for impairment	$	1,499	$	2,866	$	3,686	$	—	$	1,074	$	3,000	$	3,451	$	—	$	15,576
Collectively evaluated    for impairment		316,418		228,445		284,190		171,526		58,400		329,569		198,741		77,623		1,664,912
Acquired with deteriorated    credit quality		874		6,859		2,828		—		36		5,095		5,679		4		21,375
Ending balance-    December 31, 2015	$	318,791	$	238,170	$	290,704	$	171,526	$	59,510	$	337,664	$	207,871	$	77,627	$	1,701,863

Credit Quality Indicators by Portfolio Class

The following table shows credit quality indicators by portfolio class at December 31, 2017 and 2016:

December 31, 2017	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	657,595	$	50,946	$	4,390	$	712,931
Construction		431,242		7,388		1,968		440,598
Residential real estate:
1-to-4 family mortgage		440,202		9,522		7,767		457,491
Residential line of credit		192,427		1,184		1,375		194,986
Multi-family mortgage		61,234		142		978		62,354
Commercial real estate:
Owner occupied		451,140		28,308		4,462		483,910
Non-owner occupied		517,253		14,199		1,972		533,424
Consumer and other		189,081		2,712		589		192,382
Total loans, excluding purchased credit impaired    loans	$	2,940,174	$	114,401	$	23,501	$	3,078,076
Purchased credit impaired loans
Commercial and industrial	$	—	$	1,499	$	645	$	2,144
Construction		—		3,324		4,404		7,728
Residential real estate:
1-to-4 family mortgage		—		20,284		3,214		23,498
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		20		20
Commercial real estate:
Owner occupied		—		4,631		7,331		11,962
Non-owner occupied		—		7,359		10,805		18,164
Consumer and other		—		19,751		5,568		25,319
Total purchased credit impaired loans	$	—	$	56,848	$	31,987	$	88,835
Total loans	$	2,940,174	$	171,249	$	55,488	$	3,166,911

December 31, 2016	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	351,046	$	31,074	$	3,635	$	385,755
Construction		236,588		4,612		386		241,586
Residential real estate:
1-to-4 family mortgage		277,948		6,945		7,924		292,817
Residential line of credit		173,011		1,875		2,304		177,190
Multi-family mortgage		43,770		152		1,027		44,949
Commercial real estate:
Owner occupied		338,698		10,459		4,407		353,564
Non-owner occupied		249,877		10,273		2,412		262,562
Consumer and other		73,454		417		432		74,303
Total loans, excluding purchased credit impaired    loans	$	1,744,392	$	65,807	$	22,527	$	1,832,726
Purchased credit impaired loans
Commercial and industrial	$	—	$	—	$	478	$	478
Construction		—		—		4,319		4,319
Residential real estate:
1-to-4 family mortgage		—		—		2,107		2,107
Residential line of credit		—		—		—		—
Multi-family mortgage		—		—		28		28
Commercial real estate:
Owner occupied		—		—		3,782		3,782
Non-owner occupied		—		—		5,340		5,340
Consumer and other		—		—		4		4
Total purchased credit impaired loans	$	—	$	—	$	16,058	$	16,058
Total loans	$	1,744,392	$	65,807	$	38,585	$	1,848,784

Past Due Loans

The following table provides the period-end amounts of loans that are past due thirty to eighty-nine days, past due ninety or more days and still accruing interest, loans not accruing interest and loans current on payments accruing interest by category at December 31, 2017 and 2016:

December 31, 2017	30-89 days past due		90 days or more and accruing interest		Non-accrual loans		Loans current on payments and accruing interest		Purchased Credit Impaired loans		Total
Commercial and industrial	$	5,859	$	90	$	533	$	706,449	$	2,144	$	715,075
Construction		1,412		241		300		438,645		7,728		448,326
Residential real estate:
1-to-4 family mortgage		4,678		956		2,548		449,309		23,498		480,989
Residential line of credit		527		134		699		193,626		—		194,986
Multi-family mortgage		—		—		—		62,354		20		62,374
Commercial real estate:
Owner occupied		521		358		2,582		480,449		11,962		495,872
Non-owner occupied		121		—		1,371		531,932		18,164		551,588
Consumer and other		1,945		217		68		190,152		25,319		217,701
Total	$	15,063	$	1,996	$	8,101	$	3,052,916	$	88,835	$	3,166,911

December 31, 2016	30-89 days past due		90 days or more and accruing interest		Non-accrual loans		Loans current on payments and accruing interest		Purchased Credit Impaired loans		Total
Commercial and industrial	$	262	$	127	$	1,297	$	384,069	$	478	$	386,233
Construction		441		17		254		240,874		4,319		245,905
Residential real estate:
1-to-4 family mortgage		3,130		697		2,289		286,701		2,107		294,924
Residential line of credit		1,139		433		601		175,017		—		177,190
Multi-family mortgage		—		—		—		44,949		28		44,977
Commercial real estate:
Owner occupied		186		—		2,007		351,371		3,782		357,346
Non-owner occupied		158		—		2,251		260,153		5,340		267,902
Consumer and other		433		55		30		73,785		4		74,307
Total	$	5,749	$	1,329	$	8,729	$	1,816,919	$	16,058	$	1,848,784

Impaired Loans Recognized, Segregated by Class

Impaired loans recognized in conformity with ASC 310 at December 31, 2017 and 2016, segregated by class, were as follows:  

December 31, 2017	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	53	$	53	$	20
Construction		—		—		—
Residential real estate:
1-to-4 family mortgage		194		495		18
Residential line of credit		—		—		—
Multi-family mortgage		—		—		—
Commercial  real estate:
Owner occupied		844		1,123		120
Non-owner occupied		144		150		33
Total	$	1,235	$	1,821	$	191
With no related allowance recorded
Commercial and industrial	$	1,526	$	1,570	$	—
Construction		1,289		1,313		—
Residential real estate:
1-to-4 family mortgage		1,068		1,072		—
Residential line of credit		—		—		—
Multi-family mortgage		978		978		—
Commercial  real estate:
Owner occupied		1,676		2,168		—
Non-owner occupied		1,576		2,325		—
Consumer and other		25		25		—
Total	$	8,138	$	9,451	$	—
Total impaired loans	$	9,373	$	11,272	$	191

December 31, 2016	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	854	$	854	$	135
Construction		—		—		—
Residential real estate:
1-to-4 family mortgage		103		369		23
Residential line of credit		—		—		—
Multi-family mortgage		—		—		—
Commercial  real estate:
Owner occupied		635		654		113
Non-owner occupied		1,151		1,678		242
Consumer and other		1		1		—
Total	$	2,744	$	3,556	$	513
With no related allowance recorded:
Commercial and industrial	$	622	$	746	$	—
Construction		2,686		2,694		—
Residential real estate:
1-to-4 family mortgage		2,368		2,370		—
Residential line of credit		311		321		—
Multi-family mortgage		1,027		1,027		—
Commercial  real estate:
Owner occupied		2,117		3,205		—
Non-owner occupied		1,050		1,781		—
Consumer and other		26		26		—
Total	$	10,207	$	12,170	$	—
Total impaired loans	$	12,951	$	15,726	$	513

	December 31,
	2017				2016				2015
	Average recorded investment		Interest income recognized (cash basis)		Average recorded investment		Interest income recognized (cash basis)		Average recorded investment		Interest income recognized (cash basis)
With a related allowance recorded:
Commercial and industrial	$	454	$	2	$	994	$	17	$	1,269	$	22
Construction		—		—		154		—		517		3
Residential real estate:
1-to-4 family mortgage		149		9		1,750		1		2,345		199
Residential line of credit		—		—		—		—		—		—
Multi-family mortgage		—		—		—		—		468		—
Commercial real estate:
Owner occupied		740		48		1,756		25		1,938		95
Non-owner occupied		648		5		1,777		—		3,039		—
Consumer and other		1		—		1		—		—		—
Total	$	1,992	$	64	$	6,432	$	43	$	9,576	$	319
With no related allowance recorded
Commercial and industrial	$	1,074	$	38	$	494	$	20	$	660	$	—
Construction		1,988		46		2,622		132		4,337		127
Residential real estate:
1-to-4 family mortgage		1,718		63		1,329		137		2,815		7
Residential line of credit		156		—		156		10		—		—
Multi-family mortgage		1,003		46		1,051		37		652		25
Commercial real estate:
Owner occupied		1,897		122		1,120		119		788		—
Non-owner occupied		1,313		19		1,050		—		855		—
Consumer and other		26		1		13		—		—		—
Total	$	9,173	$	335	$	7,835	$	455	$	10,107	$	159
Total impaired loans	$	11,164	$	399	$	14,267	$	498	$	19,683	$	478

Financial Effect of TDRs

The following table presents the financial effect of TDRs recorded during the periods indicated:

Year Ended December 31, 2017	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	2	$	627	$	627	$	—
Commercial real estate:
Owner occupied	1		377		377		—
Non-owner occupied	2		711		711		68
Residential real estate:
1-to-4 family mortgage	1		143		143		8
Consumer and other	1		25		25		—
Total	7	$	1,883	$	1,883	$	76

Year Ended December 31, 2016	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial real estate:
Owner occupied	1	$	118	$	118	$	—
Residential real estate:
1-4 family mortgage	5		1,819		1,819		—
Consumer and other	3		29		29		—
Total	9	$	1,966	$	1,966	$	—

Year ended December 31, 2015	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	6	$	2,301	$	2,301	$	86
Commercial real estate:
Owner occupied	4		786		786		—
Non-owner occupied	1		133		133		1
Residential real estate:
1-4 family mortgage	5		326		326		45
Total	16	$	3,546	$	3,546	$	132

Loans Modified as Troubled Debt Restructurings for Payment Default

The following presents loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the year ended December 31, 2015:

	Defaulted		Charge-offs and specific reserves
Residential real estate:
1-to-4 family mortgage	$	145	$	45
Total	$	145	$	45

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Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Schedule of Premises and Equipment and Related Accumulated Depreciation

Premises and equipment and related accumulated depreciation as of December 31, 2017 and 2016, are as follows:

	2017			2016
Land	$	22,108		$	18,698
Premises		57,719			44,301
Furniture and fixtures		22,292			21,700
Leasehold improvements		10,740			10,515
Equipment		12,525			11,583
Construction in process		1,496			867
		126,880			107,664
Less: accumulated depreciation		(45,303	)		(41,013	)
Total Premises and Equipment	$	81,577		$	66,651

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Other Real Estate Owned (Tables)

12 Months Ended

Dec. 31, 2017

Real Estate [Abstract]

Summary of Other Real Estate Owned

The following table summarizes the other real estate owned for the years ended December 31, 2017, 2016 and 2015:

	Year Ended
	December 31,
	2017			2016			2015
Balance at beginning of period	$	7,403		$	11,641		$	7,259
Transfers from loans		3,605			2,724			4,085
Transfers from premises and equipment		3,466			—
Capital improvements		—			—			171
Acquired through merger or acquisition		6,888			—			5,002
Properties sold		(5,438	)		(6,696	)		(3,774	)
Gain on sale of other real estate owned		1,080			1,670			187
Transferred to loans		(256	)		(1,548	)		(785	)
Write-downs and partial liquidations		(306	)		(388	)		(504	)
Balance at end of period	$	16,442		$	7,403		$	11,641

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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Changes in Goodwill

The following table summarizes changes in goodwill during the year ended December 31, 2017.

	Goodwill
Balance at December 31, 2016	$	46,867
Addition from merger with Clayton Banks (see Note 2)		90,323
Balance at December 31, 2017	$	137,190

Schedule of Core Deposit and Other Intangibles

Core deposit and other intangibles are as follows as of the indicated dates:

	Core deposit and other intangibles
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
December 31, 2017
Core deposit intangible	$	38,915	$	(27,121	)	$	11,794
Leasehold intangible		587		(38	)		549
Customer base trust intangible		1,600		(67	)		1,533
Manufactured housing servicing intangible		1,088		(62	)		1,026
Total core deposit and other intangibles	$	42,190	$	(27,288	)	$	14,902
December 31, 2016
Core deposit intangible	$	29,855	$	(25,292	)	$	4,563
December 31, 2015
Core deposit intangible	$	29,855	$	(23,160	)	$	6,695

Schedule of Estimated Aggregate Amortization Expense of Core Deposit and Other Intangibles

The estimated aggregate amortization expense of core deposit and other intangibles for each of the next five years and thereafter is as follows:

December 31, 2018	$	3,275
December 31, 2019		2,866
December 31, 2020		2,476
December 31, 2021		2,090
December 31, 2022		1,609
Thereafter		2,586
	$	14,902

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Mortgage Servicing Rights (Tables)

12 Months Ended

Dec. 31, 2017

Transfers And Servicing Of Financial Assets [Abstract]

Schedule of Changes in Mortgage Servicing Rights

Changes in the Company’s mortgage servicing rights were as follows for years ended December 31, 2017, 2016 and 2015:

	Year Ended December 31,
		2017			2016			2015
Carrying value prior to policy change	$	32,070		$	29,711		$	6,032
Fair value impact of change in accounting policy (See    Note 1)		1,011			—			—
Carrying value at beginning of period		33,081			29,711			6,032
Capitalization		58,984			46,070			26,474
Amortization		—			(8,321	)		(2,601	)
Sales		(11,686	)		(34,118	)		—
(Loss) gain on sale		(249	)		3,406			—
Impairment		—			(4,678	)		(194	)
Change in fair value:
Due to pay-offs/pay-downs		(3,104	)		—			—
Due to change in valuation inputs or assumptions		(919	)		—			—
Carrying value at December 31	$	76,107		$	32,070		$	29,711

Schedule of Servicing Income and Expense Included in Mortgage Banking Income

The following table summarizes servicing income and expense included in mortgage banking income and other noninterest expense within the Mortgage Segment operating results, respectively, for the years ended December 31, 2017, 2016 and 2015, respectively:

	Year Ended December 31,
		2017			2016			2015
Servicing income:
Servicing income	$	13,168		$	12,063		$	3,614
Change in fair value of mortgage servicing rights		(4,023	)		—
Change in fair value of derivative hedging instruments		599			—			—
Total servicing income		9,744			12,063			3,614
Servicing expenses:
Servicing asset amortization		—			8,321			2,601
Servicing asset impairment		—			4,678			194
Loss on sale of mortgage servicing rights and related hedges and     transaction costs on sale		249			4,447			—
Other servicing expenses		4,896			2,325			633
Total servicing expenses		5,145			19,771			3,428
Net servicing income (loss)	$	4,599		$	(7,708	)	$	186

Schedule of Data and Key Economic Assumptions Related to Mortgage Servicing Rights

Data and key economic assumptions related to the Company’s mortgage servicing rights as of December 31, 2017 and 2016 are as follows:

	As of December 31,
		2017			2016
Unpaid principal balance	$	6,529,431		$	2,833,958
Weighted-average prepayment speed (CPR)		8.90	%		8.40	%
Estimated impact on fair value of a 10% increase		(3,026	)		(1,256	)
Estimated impact on fair value of a 20% increase		(5,855	)		(2,434	)
Discount rate		9.75	%		9.54	%
Estimated impact on fair value of a 100 bp increase		(3,052	)		(1,394	)
Estimated impact on fair value of a 200 bp increase		(5,867	)		(2,679	)
Weighted-average coupon interest rate		3.94	%		3.59	%
Weighted-average servicing fee (basis points)		28			27
Weighted-average remaining maturity (in months)		335			328

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Other Assets and Other liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Other Assets And Other Liabilities [Abstract]

Summary of Other Assets

Included in other assets are:

	As of December 31,
Other assets	2017		2016
Cash surrender value on bank owned life insurance	$	10,873	$	10,556
Prepaid expenses		2,477		2,245
Software		1,962		2,296
Mortgage lending receivable		3,176		24
Derivatives		9,690		19,745
Other assets		16,038		16,488
Total other assets	$	44,216	$	51,354

Summary of Other Liabilities

Included in other liabilities are:

	As of December 31,
Other liabilities	2017		2016
Deferred compensation	$	5,301	$	6,710
Accrued payroll		11,018		5,987
Mortgage servicing escrows		3,341		1,079
Mortgage buyback reserve		3,386		2,659
Accrued interest		1,504		632
Derivatives		1,699		586
Deferred tax liability (See Note 15)		11,858		4,180
Right to repurchase GNMA loans serviced (See Note 1)		43,035		—
Other liabilities		37,852		36,535
Total other liabilities	$	118,994	$	58,368

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Deposits (Tables)

12 Months Ended

Dec. 31, 2017

Time Deposits [Abstract]

Schedule of Maturities of Time Deposits

At December 31, 2017, the scheduled maturities of time deposits are as follows:

Scheduled maturities of time deposits
Due on or before:
December 31, 2018	$	432,030
December 31, 2019		139,398
December 31, 2020		56,719
December 31, 2021		32,893
December 31, 2022		24,075
Thereafter		3,214
Total	$	688,329

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Securities Sold Under Agreements to Repurchase (Tables)

12 Months Ended

Dec. 31, 2017

Securities Sold Under Agreements To Repurchase [Abstract]

Summary of Balances for Securities Sold Under Agreements to Repurchase

Information concerning securities sold under agreements to repurchase is summarized as follows:

	2017			2016
Balance at year end	$	14,293		$	21,561
Average daily balance during the year		16,326			60,331
Average interest rate during the year		0.17	%		0.11	%
Maximum month-end balance during the year		19,432			115,005
Weighted average interest rate at year-end		0.16	%		0.17	%

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Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

Maturities of long-term debt as of December 31, 2017 are as follows:

	FHLB			Junior Subordinated debt		Total
Due on or before:
December 31, 2018	$	109,712	(1)	$	—	$	109,712	(1)
December 31, 2019		224			—		224
December 31, 2020		131			—		131
December 31, 2021		418			—		418
December 31, 2022		890			—		890
Due thereafter		997			30,930		31,927
Total	$	112,372		$	30,930	$	143,302

(1) Includes $100,000 of advances with 90 day fixed rate repricing terms that are being hedged with interest rate swaps maturing in 2020, 2021, and 2022 in increments of $30,000, $35,000 and $35,000, respectively. As such, these advances are classified as long-term debt on the consolidated balance sheets.

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Allocation of Federal and State Income Taxes between Current and Deferred Portions

Allocation of federal and state income taxes between current and deferred portions is as follows:

	December 31,
	2017		2016		2015
Current	$	14,629	$	12,476	$	1,321
Deferred		6,458		9,257		1,647
Total	$	21,087	$	21,733	$	2,968

Schedule of Reconciliation of Income Taxes Computed at the United States Federal Statutory Tax Rates to the Provision for Income Taxes

The reconciliation of income taxes computed at the United States federal statutory tax rates to the provision for income taxes is as follows, for the periods presented:

	December 31,
	2017			2016			2015
Federal taxes calculated at statutory rate	$	25,720		$	5,061		$	—
Increase (decrease) resulting from:
State taxes, net of federal benefit		3,053			3,664			2,956
Revaluation of net deferred tax liability as a result of the Tax    Cuts and Jobs Act		(5,894	)		—			—
Conversion as of September 16, 2016 to C Corporation		—			13,181			—
Benefit of equity based compensation		(310	)		(786	)		—
Permanent items		(1,402	)		(633	)		12
Other		(80	)		1,246			—
Income tax expense, as reported	$	21,087		$	21,733		$	2,968

Schedule of Net Deferred Tax liability

The components of the net deferred tax liability at December 31, 2017 and 2016, are as follows:

	For the year ended
	December 31,
	2017			2016
Deferred tax assets:
Allowance for loan losses	$	6,264		$	8,516
Amortization of core deposit intangible		759			996
Compensation related		6,158			7,552
Unrealized loss on securities		988			2,462
Other		3,599			2,430
Subtotal		17,768			21,956
Deferred tax liabilities:
FHLB stock dividends		(550	)		(827	)
Depreciation		(4,115	)		(6,548	)
Mortgage servicing rights		(19,830	)		(12,558	)
Other		(5,131	)		(6,203	)
Subtotal		(29,626	)		(26,136	)
Net deferred tax liability	$	(11,858	)	$	(4,180	)

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments And Contingencies Disclosure [Abstract]

Summary of Financial instruments with Off-Balance Sheet Credit Risk

Commitments may expire without being used. Off-balance sheet risk to credit loss exists up to the face amount of these instruments, although material losses are not anticipated. The same credit policies are used to make such commitments as are used for loans, including obtaining collateral at exercise of the commitment.

	Year Ended
	December 31,
	2017		2016
Commitments to extend credit, excluding interest rate lock commitments	$	977,276	$	579,879
Letters of credit		22,882		22,547
Balance at end of period	$	1,000,158	$	602,426

Summary of Commitments Under Non-Cancelable Operating Leases

Commitments under non-cancelable operating leases were as follows, before considering renewal options that generally are present:

2018	$	3,533
2019		2,806
2020		2,318
2021		2,074
2022		1,623
Thereafter		5,350
Total	$	17,704

Summary of Allowance for Loan Repurchases or Indemnifications

The following table summarizes the activity in the repurchase reserve:

	For the year ended
	December 31,
	2017			2016			2015
Balance at beginning of period	$	2,659		$	2,156		$	828
Provision for loan repurchases or indemnifications		810			512			1,375
Recoveries on previous losses		—			9			—
Losses on loans repurchased or indemnified		(83	)		(18	)		(47	)
Balance at end of period	$	3,386		$	2,659		$	2,156

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Derivatives (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Schedule of Derivative Financial Instruments

The following table provides details on the Company’s derivative financial instruments as of the dates presented:

	December 31, 2017
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	146,754	$	1,146	$	1,146
Forward commitments		870,574		—		553
Interest rate-lock commitments		504,156		6,768		—
Futures contracts		283,000		315		—
Option contracts		6,000		29		—
Total	$	1,810,484	$	8,258	$	1,699

	December 31, 2016
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	22,243	$	586	$	586
Forward commitments		829,000		12,731		—
Interest rate-lock commitments		532,920		6,428		—
Futures contracts		—		—		—
Total	$	1,384,163	$	19,745	$	586

	December 31, 2017
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	130,000	$	1,432	$	—
Total	$	130,000	$	1,432	$	—

Schedule of Gains (Losses) Included in the Consolidated Statements of Income Related to Derivative Financial Instruments

Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments were as follows:

	Year Ended December 31,
	2017			2016		2015
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	340		$	835	$	2,073
Forward commitments		(11,987	)		10,497		(3,600	)
Futures contracts		315			—		—
Option contracts		22			—		—
Total	$	(11,310	)	$	11,332	$	(1,527	)

	Year Ended December 31,
	2017		2016			2015
Designated as hedging:
Amount of gain reclassified from other comprehensive    income and recognized in interest expense on long-term debt	$	168	$	—		$	—
Included in loss on sale of mortgage servicing rights		—		(5,569	)		—
Total	$	168	$	(5,569	)	$	—

The following discloses the amount included in other comprehensive income, net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Year Ended December 31,
	2017		2016		2015
Designated as hedging:
Amount of gain recognized in other comprehensive    income, net of tax	$	685	$	—	$	—

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Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Estimated Fair Values of Financial Instruments

The estimated fair values of the Company’s financial instruments are as follows:

			Fair Value
December 31, 2017	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	119,751	$	119,751	$	—	$	—	$	119,751
Available-for-sale securities		543,992		—		540,388		3,604		543,992
Federal Home Loan Bank Stock		11,412		—		—		11,412		11,412
Loans, net		3,142,870		—		3,064,373		77,027		3,141,400
Loans held for sale		526,185		—		526,185		—		526,185
Interest receivable		13,069		—		13,069		—		13,069
Mortgage servicing rights		76,107		—		—		76,107		76,107
Derivatives		9,690		—		9,690		—		9,690
Financial liabilities:
Deposits:
Without stated maturities	$	2,976,066	$	2,976,066	$	—	$	—	$	2,976,066
With stated maturities		688,329		—		682,403		—		682,403
Securities sold under agreement to    repurchase		14,293		14,293		—		—		14,293
Short term borrowings		190,000		190,000		—		—		190,000
Interest payable		1,504		575		929		—		1,504
Long-term debt		143,302		—		149,135		—		149,135
Derivatives		1,699		—		1,699		—		1,699

			Fair Value
December 31, 2016	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	136,327	$	136,327	$	—	$	—	$	136,327
Available-for-sale securities		582,183		—		577,634		4,549		582,183
Federal Home Loan Bank Stock		7,743		—		—		7,743		7,743
Loans, net		1,827,037		—		1,822,054		1,281		1,823,335
Loans held for sale		507,442		—		507,442		—		507,442
Interest receivable		7,241		—		7,241		—		7,241
Mortgage servicing rights, net		32,070		—		—		33,081		33,081
Derivatives		19,745		—		19,745		—		19,745
Financial liabilities:
Deposits:
Without stated maturities	$	2,280,531	$	2,280,531	$	—	$	—	$	2,280,531
With stated maturities		391,031		—		390,484		—		390,484
Securities sold under agreement to    repurchase		21,561		21,561		—		—		21,561
Short term borrowings		150,000		150,000		—		—		150,000
Interest payable		632		249		383		—		632
Long-term debt		44,892		—		47,377		—		47,377
Derivatives		586		—		586		—		586

Balances and Levels of Assets Measured at Fair Value on Recurring Basis

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2017 are presented in the following table:

At December 31, 2017	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Recurring valuations:
Financial assets:
Available-for-sale securities:
U.S. government agency securities	$	—	$	986	$	—	$	986
Mortgage-backed securities		—		418,781		—		418,781
Municipals, tax-exempt		—		109,251		—		109,251
Treasury securities		—		7,252		—		7,252
Equity securities		—		4,118		3,604		7,722
Total	$	—	$	540,388	$	3,604	$	543,992
Loans held for sale		—		526,185		—		526,185
Mortgage servicing rights		—		—		76,107		76,107
Derivatives		—		9,690		—		9,690
Financial Liabilities:
Derivatives	$	—	$	1,699	$	—	$	1,699

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2016 are presented in the following table:

At December 31, 2016	Quoted prices in active markets for identicalassets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Recurring valuations:
Financial assets:
Available-for-sale securities:
U.S. government agency securities	$	—	$	985	$	—	$	985
Mortgage-backed securities		—		443,908		—		443,908
Municipals, tax-exempt		—		116,923		—		116,923
Treasury securities		—		11,757		—		11,757
Equity securities		—		4,061		4,549		8,610
Total	$	—	$	577,634	$	4,549	$	582,183
Loans held for sale		—		507,442		—		507,442
Derivatives		—		19,745		—		19,745
Financial Liabilities:
Derivatives	$	—	$	586	$	—	$	586

Balances and Levels of Assets Measured at Fair Value on Non-recurring Basis

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2017 are presented in the following table:

At December 31, 2017	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Non-recurring valuations:
Financial assets:
Other real estate owned	$	—	$	—	$	13,174	$	13,174
Impaired loans:
Commercial and industrial		—		—		1,971		1,971
Construction						4,211		4,211
Residential real estate:
1-4 family mortgage		—		—		21,902		21,902
Commercial real estate:		—		—
Owner occupied						10,030		10,030
Non-owner occupied		—		—		13,593		13,593
Consumer and other		—		—		25,320		25,320
Total	$	—	$	—	$	77,027	$	77,027

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2016 are presented in the following table:

At December 31, 2016	Quoted prices in active markets for identical assets (liabilities) (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Total
Non-recurring valuations:
Financial assets:
Other real estate owned	$	—	$	—	$	2,315	$	2,315
Mortgage servicing rights		—		—		32,070		32,070
Impaired Loans:
Commercial and industrial		—		—		542		542
Residential real estate:
1-4 family mortgage		—		—		103		103
Commercial real estate:
Owner occupied		—		—		635		635
Consumer and other		—		—		1		1
Total	$	—	$	—	$	1,281	$	1,281

Reconciliation for Assets and Liabilities Measured at Fair Value on Recurring Basis using Significant Unobservable Inputs or Level 3 Inputs

The following table provides a reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs, or Level 3 inputs, during the year ended December 31, 2017 and 2016:

	Available-for-sale securities
	Year Ended December 31,
	2017			2016
Balance at beginning of period	$	4,549		$	4,856
Realized gains included in net income		—			—
Unrealized gains included in other comprehensive income		—			—
Impairment of equity securities		(945	)		—
Purchases		—			—
Capital distribution		—			(307	)
Balance at end of period	$	3,604		$	4,549

Information About Significant Unobservable Inputs (Level 3) Used in Valuation of Assets Measured at Fair Value on Nonrecurring Basis

The following table presents information as of December 31, 2017 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:

Financial instrument	FairValue		Valuation technique	Significant Unobservable inputs	Range of inputs
Impaired loans	$	77,027	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	13,174	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

The following table presents information as of December 31, 2016 about significant unobservable inputs (Level 3) used in the valuation of assets measured at fair value on a nonrecurring basis:

Financial instrument	FairValue		Valuation technique	Significant Unobservable inputs	Range of inputs
Impaired loans	$	1,281	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	2,315	Appraised value of property less costs to sell	Discount for costs to sell	0%-10%
Mortgage servicing rights, net	$	33,081	Discounted cash flows	See Note 9	See Note 9

Differences between Fair Value and Principal Balance for Loans Held for Sale Measured at Fair Value

The following table summarizes the differences between the fair value and the principal balance for loans held for sale measured at fair value as of December 31, 2017 and 2016:

December 31, 2017	Aggregate fair value		Aggregate Unpaid Principal Balance		Difference
Mortgage loans held for sale measured at fair value	$	482,089	$	467,039	$	15,050
Past due loans of 90 days or more		320		320		—
Nonaccrual loans		741		741		—
December 31, 2016
Mortgage loans held for sale measured at fair value	$	507,442	$	501,503	$	5,939
Past due loans of 90 days or more		—		—		—
Nonaccrual loans		—		—		—

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Parent Company Only Financial Statements (Tables)

12 Months Ended

Dec. 31, 2017

Condensed Financial Information Of Parent Company Only Disclosure [Abstract]

Balance Sheet

	As of December 31,
Balance sheet	2017		2016
Assets
Cash and cash equivalents(1)	$	25,789	$	30,993
Investments		1,129		2,074
Investments in Bank subsidiary(1)		595,625		325,574
Other assets		5,411		2,972
Goodwill		29		29
Total assets	$	627,983	$	361,642
Liabilities and shareholders' equity
Liabilities
Long-term debt	$	30,930	$	30,930
Accrued expenses and other liabilities		324		214
Total liabilities	$	31,254	$	31,144
Shareholders' equity
Common stock	$	30,536	$	24,108
Additional paid-in capital		418,596		213,480
Retained earnings		147,449		93,784
Accumulated other comprehensive (loss) income		148		(874	)
Total shareholders' equity	$	596,729	$	330,498
Total liabilities and shareholders' equity	$	627,983	$	361,642

(1) Eliminates in Consolidation

Income Statements

	For the years ended December 31,
Income Statements	2017			2016			2015
Income
Other interest income	$	41		$	33		$	33
Interest income from Bank subsidiary (1)		—			95			121
Gain (loss) on investments		(945	)		417			—
Dividend income from Bank subsidiary (1)		—			14,875			25,105
Earnings from Bank subsidiary (1)		54,713			26,859			23,879
Total income	$	53,809		$	42,279		$	49,138
Expenses
Interest expense	$	1,491		$	1,393		$	1,298
Salaries, legal and professional fees		893			315			3
Other noninterest expense		296			168			59
Federal and state income tax benefit		(1,269	)		(188	)		(78	)
Total expenses	$	1,411		$	1,688		$	1,282
Net income	$	52,398		$	40,591		$	47,856

(1) Eliminates in Consolidation

Statement of Cash Flows

	For the years ended December 31,
Statement of Cash Flows	2017			2016			2015
Operating Activities
Net income	$	52,398		$	40,591		$	47,856
Adjustments to reconcile net income to net cash provided by    operating activities:
Equity in undistributed income of subsidiary bank		(54,713	)		(26,859	)		(23,879	)
Loss (gain) on investments		945			(417	)		—
Stock-based compensation expense		—			4,693			—
(Increase) decrease in other assets		(2,439	)		(427	)		1,292
Increase (decrease) in other liabilities		(551	)		(5,251	)		23
Other, net		-			7			(1	)
Net cash provided by operating activities	$	(4,360	)	$	12,337		$	25,291
Investing Activities
Other investments	$	—		$	724		$	761
Net cash provided by investing activities	$	—		$	724		$	761
Financing Activities
Equity contribution to Bank	$	(154,200	)	$	(20,000	)	$	—
Payment of dividends		—			(69,300	)		(25,350	)
Payment of subordinated debt		—			(10,075	)		—
Net proceeds from sale of common stock		153,356			116,054			—
Net cash (used in) provided by financing activities	$	(844	)	$	16,679		$	(25,350	)
Net (decrease) increase in cash and cash equivalents		(5,204	)		29,740			702
Cash and Cash Equivalents at beginning of year		30,993			1,253			551
Cash and Cash Equivalents at end of year	$	25,789		$	30,993		$	1,253
Supplemental noncash disclosures:
Conversion of cash-settled to stock-settled compensation	$	—		$	5,388		$	—
Forgiveness of intercompany debt	$	—		$	6,024		$	—

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Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Schedule of Segment Financial Information

The following tables provides segment financial information for the years ended December 31, 2017, 2016 and 2015 follows:

Year Ended December 31, 2017	Banking			Mortgage			Consolidated
Net interest income	$	153,018		$	253		$	153,271
Provision for loan loss		(950	)		—			(950	)
Mortgage banking income		26,737			93,620			120,357
Change in fair value of mortgage servicing rights(1)		—			(3,424	)		(3,424	)
Other noninterest income		24,648			—			24,648
Depreciation		3,801			515			4,316
Amortization of intangibles		1,995			—			1,995
Loss on sale of mortgage servicing rights		—			249			249
Other noninterest mortgage banking expense		21,714			76,582			98,296
Other noninterest expense(2)		117,461			—			117,461
Income before income taxes		60,382			13,103			73,485
Income tax expense								21,087
Net income								52,398
Total assets	$	4,130,349		$	597,364		$	4,727,713
Goodwill		137,090			100			137,190
(1) Included in mortgage banking income.
(2) Included $19,034 in merger and conversion expenses related to the merger with the Clayton Banks.

Year Ended December 31, 2016	Banking			Mortgage			Consolidated
Net interest income	$	112,365		$	(1,415	)	$	110,950
Provision for loan loss		(1,479	)		—			(1,479	)
Mortgage banking income		25,542			92,209			117,751
Other noninterest income		26,934			—			26,934
Depreciation and amortization		3,506			489			3,995
Amortization of intangibles		2,132			—			2,132
Amortization and impairment of mortgage servicing rights		—			12,999			12,999
Loss on sale of mortgage servicing rights		—			4,447			4,447
Other noninterest mortgage banking expense		16,095			66,256			82,351
Other noninterest expense(1)		88,866			—			88,866
Income before income taxes		55,721			6,603			62,324
Income tax expense								21,733
Net income								40,591
Total assets	$	2,752,773		$	524,108		$	3,276,881
Goodwill		46,767			100			46,867

(1) Included $3,268 in merger and conversion expenses related to the acquisition of NWGB.

Year Ended December 31, 2015	Banking			Mortgage		Consolidated
Net interest income	$	92,366		$	1,506	$	93,872
Provision for loan loss		(3,070	)		6		(3,064	)
Mortgage banking income		18,718			51,472		70,190
Other noninterest income		22,190			—		22,190
Depreciation and amortization		2,933			350		3,283
Amortization of intangibles		1,731			—		1,731
Amortization and impairment of mortgage servicing rights		—			2,795		2,795
Other noninterest mortgage banking expense		13,189			42,949		56,138
Other noninterest expense(1)		74,545			—		74,545
Income before income taxes		43,946			6,878		50,824
Income tax expense							2,968
Net income							47,856
Total assets	$	2,570,071		$	329,349	$	2,899,420
Goodwill		46,804			100		46,904

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Minimum Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2017

Banking And Thrift [Abstract]

Schedule of Actual and Required Capital Amounts and Ratios

Actual and required capital amounts and ratios are presented below at period-end.

	Actual					Forcapital adequacy purposes					Minimum Capital adequacy with capital buffer					To be well capitalized underprompt corrective action provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2017
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	496,422		12.01	%	$	330,672		8.0	%	$	382,340		9.25	%	N/A		N/A
FirstBank		466,102		11.30	%		329,984		8.0	%		381,544		9.25	%	$	412,480		10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	472,381		11.43	%	$	247,969		6.0	%	$	299,629		7.25	%	N/A		N/A
FirstBank		442,061		10.72	%		247,422		6.0	%		298,968		7.25	%	$	247,422		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	472,381		10.46	%	$	180,643		4.0	%	N/A		N/A			N/A		N/A
FirstBank		442,061		9.77	%		180,987		4.0	%	N/A		N/A			$	226,234		5.0	%
Common Equity Tier 1 Capital    (to risk-weighted assets)
FB Financial Corporation	$	442,381		10.71	%	$	185,874		4.5	%	$	237,506		5.75	%	N/A		N/A
FirstBank		442,061		10.72	%		185,567		4.5	%		237,113		5.75	%	$	268,041		6.5	%

	Actual					For capital adequacy purposes					Minimum Capital adequacy with capital buffer					To be well capitalized under prompt corrective action provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2016
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	338,893		13.03	%	$	208,069		8.0	%	$	224,325		8.63	%	N/A		N/A
FirstBank		304,018		11.72	%		207,521		8.0	%		223,733		8.63	%	$	259,401		10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	317,146		12.19	%	$	156,101		6.0	%	$	172,362		6.63	%	N/A		N/A
FirstBank		282,271		10.88	%		155,664		6.0	%		171,879		6.63	%	$	155,664		6.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	317,146		10.05	%	$	126,227		4.0	%	N/A		N/A			N/A		N/A
FirstBank		282,271		8.95	%		126,155		4.0	%	N/A		N/A			$	157,693		5.0	%
Common Equity Tier 1 Capital    (to risk-weighted assets)
FB Financial Corporation	$	287,146		11.04	%	$	117,043		4.5	%	$	133,299		5.13	%	N/A		N/A
FirstBank		282,271		10.88	%		116,748		4.5	%		132,963		5.13	%	$	168,636		6.5	%

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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Vested and Unvested Restricted Stock Units Outstanding

The following table summarizes information about vested and unvested restricted stock units outstanding at December 31, 2016:

	For the year ended
	December 31,
	2017					2016
	Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value		Restricted Stock Units Outstanding			Weighted Average Grant Date Fair Value
Balance at beginning of period		1,200,840		$	19.00		—
Conversion of deferred compensation plan		—			19.00		157,895			19.00
Conversion of equity based incentive (EBI) plans		—			19.00		125,684			19.00
Grants		123,169			35.15		1,077,066			19.00
Released and distributed (vested)		(103,639	)		21.25		(157,748	)		19.00
Forfeited/expired		(6,045	)		19.00		(2,057	)		19.00
Balance at end of period		1,214,325		$	19.97		1,200,840			19.00

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Related party transactions (Tables)

12 Months Ended

Dec. 31, 2017

Related Party Transactions [Abstract]

Schedule of Loans Analysis to Executive Officers, Certain Management, Bank Directors and Their Affiliates

An analysis of loans to executive officers, certain management, and directors of the Bank and their affiliates follows:

Loans outstanding at January 1, 2017	$	27,370
New loans and advances		1,204
Change in related party status		(624	)
Repayments		(6,938	)
Loans outstanding at December 31, 2017	$	21,012

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Basis of Presentation - Additional Information (Details)						12 Months Ended
	May 26, 2017 USD ($) $ / shares shares	Jan. 02, 2017 USD ($)	Sep. 15, 2016 USD ($) $ / shares shares	Aug. 15, 2016 USD ($)	Jun. 28, 2016 shares	Dec. 31, 2017 USD ($) Method $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) shares	Jul. 31, 2016 shares
Class Of Stock [Line Items]
Description of stock split						the Company declared a 100-for-1 stock split, increasing the number of issued and authorized shares from 171,800 to 17,180,000 and 250,000 to 25,000,000, respectively.
Stock split ratio					0.01
Common stock, shares issued | shares						30,535,517	24,107,660
Common stock, shares authorized | shares						75,000,000	75,000,000
Proceeds from issuance of common stock, net of offering costs						$ 153,356,000	$ 116,054,000
Common stock sold and issued, par value | $ / shares						$ 1	$ 1
Other than temporary impairment						$ 945,000
Percent of remaining principal allowed to buy back under GNMA optional repurchase programs						100.00%
Loans individually evaluated for impairment						$ 9,373,000	$ 12,951,000	$ 15,576,000
Loans collectively evaluated for impairment						3,068,703,000	1,819,775,000	1,664,912,000
Impairment losses on mortgage servicing rights							4,678,000	194,000
Goodwill impairment loss						$ 0	0	0
Deferred tax liability increased due to change in taxable status							13,181,000
Income tax examination, description						A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.
Interest and penalties on uncertain tax positions						$ 0	0	0
Impairment of long-lived assets						$ 0	0
Number of methods to deliver mortgage loans | Method						2
Advertising costs						$ 12,957,000	$ 10,608,000	$ 8,062,000
Dilutive instruments outstanding | shares						580,374	146,992	0
ASC 860-50-35, Transfers and Servicing
Class Of Stock [Line Items]
Adjustment to retained earnings		$ 615,000
ASU 2018-02
Class Of Stock [Line Items]
Reclassification from accumulated other comprehensive income to retained earnings						$ 652,000
Premises
Class Of Stock [Line Items]
Property, plant and equipment, useful life						40 years
Residential Mortgage Loans
Class Of Stock [Line Items]
Residential mortgage loans transferred by bank						$ 11,706,000	$ 18,000,000	$ 5,000,000
Mortgage Loans
Class Of Stock [Line Items]
Net (losses) gains from fair value changes of mortgage loans						9,111,000	$ (2,289,000)	$ 2,257,000
GNMA
Class Of Stock [Line Items]
Residential mortgage loans transferred by bank						$ 43,035,000
Pro forma
Class Of Stock [Line Items]
Effective tax rate							36.75%	35.08%
Initial Public Offering
Class Of Stock [Line Items]
Common stock sold and issued, shares | shares			6,764,704
Common stock sold and issued, price per share | $ / shares			$ 19
Proceeds from issuance of common stock, net of offering costs			$ 115,525,000
Distribution to majority shareholder from net proceeds			55,000,000
Repayments of aggregate principal amount of subordinated notes from net proceeds			$ 10,075,000	$ 10,075,000
Private Placement
Class Of Stock [Line Items]
Common stock sold and issued, shares | shares	4,806,710
Common stock sold and issued, price per share | $ / shares	$ 33.00
Proceeds from issuance of common stock, net of offering costs	$ 152,721,000
Common stock sold and issued, par value | $ / shares	$ 1.00
Placement agent and other offering costs	$ 5,901,000
Minimum
Class Of Stock [Line Items]
Common stock, shares issued | shares					171,800
Common stock, shares authorized | shares					250,000				25,000,000
Minimum | Furniture and Fixtures
Class Of Stock [Line Items]
Property, plant and equipment, useful life						7 years
Minimum | Equipment
Class Of Stock [Line Items]
Property, plant and equipment, useful life						3 years
Minimum | Commercial and Commercial Real Estate Loans
Class Of Stock [Line Items]
Loans individually evaluated for impairment						$ 250,000
Maximum
Class Of Stock [Line Items]
Common stock, shares issued | shares					17,180,000
Common stock, shares authorized | shares					25,000,000				75,000,000
Maximum | Furniture and Fixtures
Class Of Stock [Line Items]
Property, plant and equipment, useful life						10 years
Maximum | Leasehold Improvements
Class Of Stock [Line Items]
Property, plant and equipment, useful life						20 years
Maximum | Equipment
Class Of Stock [Line Items]
Property, plant and equipment, useful life						7 years
Maximum | Commercial and Commercial Real Estate Loans
Class Of Stock [Line Items]
Loans collectively evaluated for impairment						$ 250,000

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Basis of Presentation - Schedule of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Basic earnings per share calculation:
Net income	$ 52,398	$ 40,591	$ 47,856
Weighted-average basic shares outstanding	27,627,228	19,165,182	17,180,000
Basic earnings per share	$ 1.90	$ 2.12	$ 2.79
Diluted earnings per share:
Net income	$ 52,398	$ 40,591	$ 47,856
Weighted-average basic shares outstanding	27,627,228	19,165,182	17,180,000
Average diluted common shares outstanding	580,374	146,992	0
Weighted-average diluted shares outstanding	28,207,602	19,312,174	17,180,000
Diluted earnings per share	$ 1.86	$ 2.10	$ 2.79
Pro forma earnings per share:
Pro forma net income	$ 52,398	$ 39,422	$ 32,995
Weighted-average basic shares outstanding	27,627,228	19,165,182	17,180,000
Pro forma basic earnings per share	$ 1.90	$ 2.06	$ 1.92
Pro forma diluted earnings per share:
Pro forma net income	$ 52,398	$ 39,422	$ 32,995
Weighted-average diluted shares outstanding	28,207,602	19,312,174	17,180,000
Pro forma diluted earnings per share	$ 1.86	$ 2.04	$ 1.92

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Mergers and acquisitions - Additional Information (Details)				1 Months Ended		12 Months Ended
		Feb. 08, 2017 USD ($) shares	Sep. 18, 2015 USD ($)	Jul. 31, 2017 USD ($) BankingOffice		Dec. 31, 2017 USD ($) Branch	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Goodwill						$ 137,190,000	$ 46,867,000	$ 46,904,000
Merger and conversion						19,034,000	3,268,000	3,543,000
Business combination, deferred taxes						$ 17,768,000	21,956,000
Business combination, bargain purchase gain								2,794,000
Core deposit intangible asset				$ 587,000
Clayton Banks
Business Acquisition [Line Items]
Business acquisition, date of acquisition agreement						Feb. 08, 2017
Acquisition purchase price		$ 236,484,000		236,484,000
Business acquisition, shares issued | shares		1,521,200
Cash purchase price		$ 184,200,000		$ 184,200,000	[1]
Number of banking offices | BankingOffice				18
Goodwill				$ 90,323,000
Merger and conversion						$ 19,034,000
Charitable contributions						$ 10,000,000
Business combination, deferred taxes				$ 0
Number of years of deductibility for income tax of the goodwill and core deposit intangible				15 years
Northwest Georgia Bank
Business Acquisition [Line Items]
Business acquisition, date of acquisition agreement						Apr. 27, 2015
Cash purchase price			$ 1,500,000
Merger and conversion							$ 3,268,000	$ 3,543,000
Business combination, deferred taxes			0
Business acquisition, effective date of acquisition						Sep. 18, 2015
Number of branches operated prior to acquisition | Branch						6
Business combination, bargain purchase gain	[2]		2,794,000
Core deposit intangible asset			$ 4,931,000
Estimated useful life of intangible assets			10 years
Deferred tax liability recorded in bargain purchase gain			$ 191,000
Number of years of deductibility for income tax of the core deposit intangible			15 years

[1] Amount was deposited into an interest-bearing deposit account with the Bank in the name of the Seller as of July, 31, 2017.

[2] The bargain purchase gain resulting from the merger has been recognized in the Banking operating segment during the year ended December 31, 2015.

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Mergers and acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Sep. 18, 2015
Clayton Banks
Assets
Cash and cash equivalents	$ 49,059
Investment securities	59,493
FHLB stock	3,409
Loans	1,059,728
Premises and equipment	18,866
Other real estate owned	6,888
Intangibles, net	12,334
Other assets	5,978
Total assets	1,215,755
Liabilities
Interest-bearing deposits	670,054
Non-interest bearing deposits	309,464
Borrowings	84,831
Accrued expenses and other liabilities	5,245
Total liabilities	1,069,594
Net assets acquired (excluding goodwill recognized)	$ 146,161
Northwest Georgia Bank
Assets
Cash and cash equivalents		$ 25,495
Investment securities		133,124
FHLB stock		1,154
Loans		78,565
Premises and equipment		15,343
Other real estate owned		5,002
Intangibles, net		4,931
Other assets		8,735
Total assets		272,349
Liabilities
Interest-bearing deposits		213,126
Non-interest bearing deposits		33,090
Borrowings		20,378
Accrued expenses and other liabilities		1,461
Total liabilities		268,055
Net assets acquired (excluding goodwill recognized)		$ 4,294

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Mergers and acquisitions - Schedule of Consideration Paid and Allocation of Purchase Price to Net Assets Acquired (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended		12 Months Ended
		Feb. 08, 2017	Sep. 18, 2015	Jul. 31, 2017		Dec. 31, 2017	Dec. 31, 2015	Dec. 31, 2016
Equity consideration
Total equity consideration						$ 52,284
Allocation of consideration paid:
Goodwill						$ 137,190	$ 46,904	$ 46,867
Total consideration paid				$ 236,484
Bargain purchase gain							$ 2,794
Clayton Banks
Equity consideration
Common stock issued		1,521,200
Price per share as of July 31, 2017				$ 34.37
Total equity consideration				$ 52,284
Cash consideration		$ 184,200		184,200	[1]
Total consideration paid		$ 236,484		236,484
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets				146,161
Goodwill				$ 90,323
Clayton Banks | Common Stock
Equity consideration
Common stock issued				1,521,200
Northwest Georgia Bank
Equity consideration
Cash consideration			$ 1,500
Allocation of consideration paid:
Fair value of net assets acquired including identifiable intangible assets			4,294
Bargain purchase gain	[2]		$ 2,794

[1] Amount was deposited into an interest-bearing deposit account with the Bank in the name of the Seller as of July, 31, 2017.

[2] The bargain purchase gain resulting from the merger has been recognized in the Banking operating segment during the year ended December 31, 2015.

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Mergers and acquisitions - Schedule of Fair Value of Acquired Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jul. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Fair value	$ 88,835		$ 16,058	$ 21,375
Clayton Banks
Business Acquisition [Line Items]
Contractually-required principal and interest		$ 115,448
Nonaccretable difference		(12,430)
Best estimate of contractual cash flows expected to be collected		103,018
Accretable yield		(18,868)
Fair value		$ 84,150

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Mergers and acquisitions - Business Acquisition, Pro Forma Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Clayton Banks
Business Acquisition [Line Items]
Net interest income	$ 192,633	$ 171,383
Total revenues	336,404	322,045
Net income	$ 75,659	$ 64,608
Northwest Georgia Bank
Business Acquisition [Line Items]
Net interest income			$ 102,290
Total revenues			191,002
Net income			$ 46,042

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Cash and Cash Equivalents Concentrations - Schedule of Amounts Due from Correspondent Institutions having Concentration of Credit Risk (Details) - Credit Concentration Risk - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Concentration Risk [Line Items]
Cash due from Correspondent institutions	$ 34,336	$ 106,828
First Tennessee Bank, N.A.
Concentration Risk [Line Items]
Cash due from Correspondent institutions	2,477	26,381
Federal Reserve Bank of Atlanta
Concentration Risk [Line Items]
Cash due from Correspondent institutions	22,103	61,623
JP Morgan Chase Bank, N.A.
Concentration Risk [Line Items]
Cash due from Correspondent institutions	3,138	2,272
Fifth Third Bank
Concentration Risk [Line Items]
Cash due from Correspondent institutions	1,558	1,598
BBVA Compass
Concentration Risk [Line Items]
Cash due from Correspondent institutions	1,065	987
Zions Bank, N.A.
Concentration Risk [Line Items]
Cash due from Correspondent institutions	500	501
Servis First Bank
Concentration Risk [Line Items]
Cash due from Correspondent institutions	350	350
Sun Trust Bank
Concentration Risk [Line Items]
Cash due from Correspondent institutions	230	232
PNC Bank, N.A.
Concentration Risk [Line Items]
Cash due from Correspondent institutions	211	213
First National Bankers Bank
Concentration Risk [Line Items]
Cash due from Correspondent institutions	200	200
US Bank, N.A.
Concentration Risk [Line Items]
Cash due from Correspondent institutions	98
Wells Fargo Bank, N.A.
Concentration Risk [Line Items]
Cash due from Correspondent institutions	88
Alostar Bank of Commerce
Concentration Risk [Line Items]
Cash due from Correspondent institutions	538
Synovus Bank
Concentration Risk [Line Items]
Cash due from Correspondent institutions	291	1,062
Federal Home Loan Bank of Cincinnati
Concentration Risk [Line Items]
Cash due from Correspondent institutions	$ 1,489	$ 11,409

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Investment Securities - Summary of Amortized Cost of Securities and Fair Values (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	$ 548,898	$ 588,459
Gross unrealized gains	3,067	3,943
Gross unrealized losses	(7,973)	(10,219)
Available-for-sale securities, at fair value	543,992	582,183
Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	541,028	579,715
Gross unrealized gains	3,066	3,942
Gross unrealized losses	(7,824)	(10,084)
Available-for-sale securities, at fair value	536,270	573,573
Debt Securities | U.S. Government Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	999	998
Gross unrealized losses	(13)	(13)
Available-for-sale securities, at fair value	986	985
Debt Securities | Mortgage-backed Securities - Residential
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	425,557	450,874
Gross unrealized gains	374	939
Gross unrealized losses	(7,150)	(7,905)
Available-for-sale securities, at fair value	418,781	443,908
Debt Securities | Municipals, Tax Exempt
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	107,127	116,034
Gross unrealized gains	2,692	3,003
Gross unrealized losses	(568)	(2,114)
Available-for-sale securities, at fair value	109,251	116,923
Debt Securities | Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	7,345	11,809
Gross unrealized losses	(93)	(52)
Available-for-sale securities, at fair value	7,252	11,757
Equity Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	7,870	8,744
Gross unrealized gains	1	1
Gross unrealized losses	(149)	(135)
Available-for-sale securities, at fair value	$ 7,722	$ 8,610

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Investment Securities - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) security	Dec. 31, 2016 USD ($) security
Investments Debt And Equity Securities [Abstract]
Securities pledged, carrying amount	$ 337,604	$ 390,814
Recognized gains on early call of available-for-sale securities	$ 1
Number of securities in securities portfolio | security	294	329
Number of securities in securities portfolio, unrealized loss position | security	124	151
Other-than-temporary impairment recorded by the company	$ 945	$ 0

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Investment Securities - Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	$ 905	$ 9,290
Amortized cost, Due in one to five years	28,332	25,520
Amortized cost, Due in five to ten years	19,218	31,122
Amortized cost, Due in over ten years	67,016	62,909
Amortized cost, Total	115,471	128,841
Total debt securities, Amortized cost	541,028	579,715
Fair value, Due in one year or less	925	9,352
Fair value, Due in one to five years	28,878	26,340
Fair value, Due in five to ten years	19,588	32,248
Fair value, Due in over ten years	68,098	61,725
Fair value, Total	117,489	129,665
Total debt securities, Fair value	536,270	573,573
Mortgage-backed Securities - Residential
Schedule Of Available For Sale Securities [Line Items]
Total debt securities, Amortized cost	425,557	450,874
Total debt securities, Fair value	$ 418,781	$ 443,908

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Investment Securities - Summary of Sales of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Available For Sale Securities Gross Realized Gain Loss [Abstract]
Proceeds from sales	$ 94,743	$ 271,148	$ 194,611
Gross realized gains	1,277	4,755
Gross realized losses	48	$ 348
Other-than-temporary-impairment	$ 945

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Investment Securities - Schedule of Gross Unrealized Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less than 12 months	$ 122,217	$ 444,968
Unrealized Loss, Less than 12 months	1,174	9,409
Fair Value, 12 months or more	314,406	22,199
Unrealized Loss, 12 months or more	6,799	810
Fair Value, Total	436,623	467,167
Unrealized Losses, Total	7,973	10,219
Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less than 12 months	122,217	444,968
Unrealized Loss, Less than 12 months	1,174	9,409
Fair Value, 12 months or more	311,356	19,073
Unrealized Loss, 12 months or more	6,650	675
Fair Value, Total	433,573	464,041
Unrealized Losses, Total	7,824	10,084
Debt Securities | U.S. Government Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less than 12 months		985
Unrealized Loss, Less than 12 months		13
Fair Value, 12 months or more	986
Unrealized Loss, 12 months or more	13
Fair Value, Total	986	985
Unrealized Losses, Total	13	13
Debt Securities | Mortgage-backed Securities - Residential
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less than 12 months	107,611	390,595
Unrealized Loss, Less than 12 months	980	7,230
Fair Value, 12 months or more	290,258	19,073
Unrealized Loss, 12 months or more	6,170	675
Fair Value, Total	397,869	409,668
Unrealized Losses, Total	7,150	7,905
Debt Securities | Municipals, Tax Exempt
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less than 12 months	7,354	43,132
Unrealized Loss, Less than 12 months	101	2,114
Fair Value, 12 months or more	20,112
Unrealized Loss, 12 months or more	467
Fair Value, Total	27,466	43,132
Unrealized Losses, Total	568	2,114
Debt Securities | Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value, Less than 12 months	7,252	10,256
Unrealized Loss, Less than 12 months	93	52
Fair Value, Total	7,252	10,256
Unrealized Losses, Total	93	52
Equity Securities
Schedule Of Available For Sale Securities [Line Items]
Fair Value, 12 months or more	3,050	3,126
Unrealized Loss, 12 months or more	149	135
Fair Value, Total	3,050	3,126
Unrealized Losses, Total	$ 149	$ 135

XML

Investment Securities - Schedule of Other Than Temporary Impairment, Credit Losses Recognized In Earnings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Investments Debt And Equity Securities [Abstract]
Additions related to credit losses for which OTTI was not previously recognized	$ (945)
Balance as of December 31, 2017	$ (945)

XML

Loans and Allowance for Loan Losses - Loans Outstanding by Major Lending Classification (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	$ 3,166,911	$ 1,848,784
Less: Allowance for loan losses	(24,041)	(21,747)	$ (24,460)	$ (29,030)
Net loans	3,142,870	1,827,037
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	715,075	386,233
Less: Allowance for loan losses	(4,461)	(5,309)	(5,135)	(6,600)
Construction
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	448,326	245,905
Less: Allowance for loan losses	(7,135)	(4,940)	(5,143)	(3,721)
Residential Real Estate | 1-to-4 Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	480,989	294,924
Less: Allowance for loan losses	(3,197)	(3,197)	(4,176)	(6,364)
Residential Real Estate | Residential Line of Credit
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	194,986	177,190
Less: Allowance for loan losses	(944)	(1,613)	(2,201)	(2,790)
Residential Real Estate | Multi-Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	62,374	44,977
Less: Allowance for loan losses	(434)	(504)	(311)	(184)
Commercial Real Estate | Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	495,872	357,346
Less: Allowance for loan losses	(3,558)	(3,302)	(3,682)	(6,075)
Commercial Real Estate | Non-Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	551,588	267,902
Less: Allowance for loan losses	(2,817)	(2,019)	(2,622)	(2,641)
Consumer and Other
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	217,701	74,307
Less: Allowance for loan losses	$ (1,495)	$ (863)	$ (1,190)	$ (655)

XML

Loans and Allowance for Loan Losses - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable Recorded Investment Past Due [Line Items]
Carrying value of PCI loans	$ 88,835,000	$ 16,058,000	$ 21,375,000
Non-accrual loans	3,205,000	4,265,000
Accretion of interest income	5,419,000	3,538,000	493,000
Recorded investment in troubled debt restructurings	8,604,000	8,802,000
Allocation to specific reserves	172,000	402,000
Commitments to lend additional amounts to customers	2,000	1,000
Payment default for loans modified as troubled debt restructurings	0	0
Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Carrying value of PCI loans	88,835,000	16,058,000
Non-accrual loans	0	0
Accretion of interest income	5,299,000	2,631,000	454,000
Total purchase accounting contribution through accretion for purchased loans	5,419,000	3,538,000	$ 493,000
Federal Reserve | Borrower in Custody Program
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	724,312,000	1,072,118,000
Federal Home Loan Bank of Cincinnati
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans	$ 968,567,000	$ 565,717,000

XML

Loans and Allowance for Loan Losses - Changes in Value of Accretable Yield for PCI Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Purchased Credit Impaired Accretable yield, Accretion	$ 5,419	$ 3,538	$ 493
Purchased Credit Impaired
Accounts Notes And Loans Receivable [Line Items]
Purchased Credit Impaired Accretable yield, Beginning balance	(2,444)	(1,637)
Purchased Credit Impaired Accretable yield, Additions through the acquisition of the Clayton Banks	(18,868)		(1,991)
Purchased Credit Impaired Accretable Yield, Principal reductions and other reclassifications from nonaccretable difference	(1,841)	(3,438)	(100)
Purchased Credit Impaired Accretable yield, Recoveries	(23)
Purchased Credit Impaired Accretable yield, Accretion	5,299	2,631	454
Purchased Credit Impaired Accretable yield, Other changes	195
Purchased Credit Impaired Accretable yield, Ending balance	$ (17,682)	$ (2,444)	$ (1,637)

XML

Loans and Allowance for Loan Losses - Allowance for Loan Losses by Portfolio Segment and Related Investment in Loans Net of Unearned Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	$ 21,747	$ 24,460	$ 29,030
Provision for loan losses	(950)	(1,479)	(3,064)
Recoveries of loans previously charged-off	5,771	1,616	2,838
Loans charged off	(2,527)	(2,850)	(4,344)
Ending balance	24,041	21,747	24,460
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	5,309	5,135	6,600
Provision for loan losses	(2,158)	212	(624)
Recoveries of loans previously charged-off	1,894	524	112
Loans charged off	(584)	(562)	(953)
Ending balance	4,461	5,309	5,135
Construction
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	4,940	5,143	3,721
Provision for loan losses	1,138	(417)	149
Recoveries of loans previously charged-off	1,084	216	1,354
Loans charged off	(27)	(2)	(81)
Ending balance	7,135	4,940	5,143
Residential Real Estate | 1-to-4 Family Mortgage
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	3,197	4,176	6,364
Provision for loan losses	41	(882)	(1,521)
Recoveries of loans previously charged-off	159	127	161
Loans charged off	(200)	(224)	(828)
Ending balance	3,197	3,197	4,176
Residential Real Estate | Residential Line of Credit
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	1,613	2,201	2,790
Provision for loan losses	(788)	(630)	(645)
Recoveries of loans previously charged-off	395	174	286
Loans charged off	(276)	(132)	(230)
Ending balance	944	1,613	2,201
Residential Real Estate | Multi-Family Mortgage
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	504	311	184
Provision for loan losses	(70)	193	127
Ending balance	434	504	311
Commercial Real Estate | Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	3,302	3,682	6,075
Provision for loan losses	483	(271)	(1,366)
Recoveries of loans previously charged-off	61	140	35
Loans charged off	(288)	(249)	(1,062)
Ending balance	3,558	3,302	3,682
Commercial Real Estate | Non-Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	2,019	2,622	2,641
Provision for loan losses	(848)	(271)	(307)
Recoveries of loans previously charged-off	1,646	195	342
Loans charged off		(527)	(54)
Ending balance	2,817	2,019	2,622
Consumer and Other
Accounts Notes And Loans Receivable [Line Items]
Beginning balance	863	1,190	655
Provision for loan losses	1,252	587	1,123
Recoveries of loans previously charged-off	532	240	548
Loans charged off	(1,152)	(1,154)	(1,136)
Ending balance	$ 1,495	$ 863	$ 1,190

XML

Loans and Allowance for Loan Losses - Allocation of Allowance for Loan Losses by Loan Category Broken Out Between Loans Individually Evaluated for Impairment and Collectively Evaluated for Impairment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	$ 191	$ 513	$ 973
Collectively evaluated for impairment	23,850	21,234	23,487
Ending balance	24,041	21,747	24,460	$ 29,030
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	20	135	89
Collectively evaluated for impairment	4,441	5,174	5,046
Ending balance	4,461	5,309	5,135	6,600
Construction
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment			5
Collectively evaluated for impairment	7,135	4,940	5,138
Ending balance	7,135	4,940	5,143	3,721
Residential Real Estate | 1-to-4 Family Mortgage
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	18	23	66
Collectively evaluated for impairment	3,179	3,174	4,110
Ending balance	3,197	3,197	4,176	6,364
Residential Real Estate | Residential Line of Credit
Accounts Notes And Loans Receivable [Line Items]
Collectively evaluated for impairment	944	1,613	2,201
Ending balance	944	1,613	2,201	2,790
Residential Real Estate | Multi-Family Mortgage
Accounts Notes And Loans Receivable [Line Items]
Collectively evaluated for impairment	434	504	311
Ending balance	434	504	311	184
Commercial Real Estate | Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	120	113	74
Collectively evaluated for impairment	3,438	3,189	3,608
Ending balance	3,558	3,302	3,682	6,075
Commercial Real Estate | Non-Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	33	242	739
Collectively evaluated for impairment	2,784	1,777	1,883
Ending balance	2,817	2,019	2,622	2,641
Consumer and Other
Accounts Notes And Loans Receivable [Line Items]
Collectively evaluated for impairment	1,495	863	1,190
Ending balance	$ 1,495	$ 863	$ 1,190	$ 655

XML

Loans and Allowance for Loan Losses - Amount of Loans by Loan Category Broken Out Between Loans Individually Evaluated for Impairment and Collectively Evaluated for Impairment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	$ 9,373	$ 12,951	$ 15,576
Collectively evaluated for impairment	3,068,703	1,819,775	1,664,912
Acquired with deteriorated credit quality	88,835	16,058	21,375
Gross loans	3,166,911	1,848,784	1,701,863
Commercial and Industrial
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	1,579	1,476	1,499
Collectively evaluated for impairment	711,352	384,279	316,418
Acquired with deteriorated credit quality	2,144	478	874
Gross loans	715,075	386,233	318,791
Construction
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	1,289	2,686	2,866
Collectively evaluated for impairment	439,309	238,900	228,445
Acquired with deteriorated credit quality	7,728	4,319	6,859
Gross loans	448,326	245,905	238,170
Residential Real Estate | 1-to-4 Family Mortgage
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	1,262	2,471	3,686
Collectively evaluated for impairment	456,229	290,346	284,190
Acquired with deteriorated credit quality	23,498	2,107	2,828
Gross loans	480,989	294,924	290,704
Residential Real Estate | Residential Line of Credit
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment		311
Collectively evaluated for impairment	194,986	176,879	171,526
Gross loans	194,986	177,190	171,526
Residential Real Estate | Multi-Family Mortgage
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	978	1,027	1,074
Collectively evaluated for impairment	61,376	43,922	58,400
Acquired with deteriorated credit quality	20	28	36
Gross loans	62,374	44,977	59,510
Commercial Real Estate | Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	2,520	2,752	3,000
Collectively evaluated for impairment	481,390	350,812	329,569
Acquired with deteriorated credit quality	11,962	3,782	5,095
Gross loans	495,872	357,346	337,664
Commercial Real Estate | Non-Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	1,720	2,201	3,451
Collectively evaluated for impairment	531,704	260,361	198,741
Acquired with deteriorated credit quality	18,164	5,340	5,679
Gross loans	551,588	267,902	207,871
Consumer and Other
Accounts Notes And Loans Receivable [Line Items]
Individually evaluated for impairment	25	27
Collectively evaluated for impairment	192,357	74,276	77,623
Acquired with deteriorated credit quality	25,319	4	4
Gross loans	$ 217,701	$ 74,307	$ 77,627

XML

Loans and Allowance for Loan Losses - Credit Quality Indicators by Portfolio Class (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	$ 3,078,076	$ 1,832,726
Purchased credit impaired loans	88,835	16,058	$ 21,375
Total loans	3,166,911	1,848,784	1,701,863
Pass
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	2,940,174	1,744,392
Total loans	2,940,174	1,744,392
Watch
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	114,401	65,807
Purchased credit impaired loans	56,848
Total loans	171,249	65,807
Substandard
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	23,501	22,527
Purchased credit impaired loans	31,987	16,058
Total loans	55,488	38,585
Commercial and Industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	712,931	385,755
Purchased credit impaired loans	2,144	478	874
Total loans	715,075	386,233	318,791
Commercial and Industrial | Pass
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	657,595	351,046
Commercial and Industrial | Watch
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	50,946	31,074
Purchased credit impaired loans	1,499
Commercial and Industrial | Substandard
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	4,390	3,635
Purchased credit impaired loans	645	478
Construction
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	440,598	241,586
Purchased credit impaired loans	7,728	4,319	6,859
Total loans	448,326	245,905	238,170
Construction | Pass
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	431,242	236,588
Construction | Watch
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	7,388	4,612
Purchased credit impaired loans	3,324
Construction | Substandard
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,968	386
Purchased credit impaired loans	4,404	4,319
Residential Real Estate | 1-to-4 Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	457,491	292,817
Purchased credit impaired loans	23,498	2,107	2,828
Total loans	480,989	294,924	290,704
Residential Real Estate | Residential Line of Credit
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	194,986	177,190
Total loans	194,986	177,190	171,526
Residential Real Estate | Multi-Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	62,354	44,949
Purchased credit impaired loans	20	28	36
Total loans	62,374	44,977	59,510
Residential Real Estate | Pass | 1-to-4 Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	440,202	277,948
Residential Real Estate | Pass | Residential Line of Credit
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	192,427	173,011
Residential Real Estate | Pass | Multi-Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	61,234	43,770
Residential Real Estate | Watch | 1-to-4 Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	9,522	6,945
Purchased credit impaired loans	20,284
Residential Real Estate | Watch | Residential Line of Credit
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,184	1,875
Residential Real Estate | Watch | Multi-Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	142	152
Residential Real Estate | Substandard | 1-to-4 Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	7,767	7,924
Purchased credit impaired loans	3,214	2,107
Residential Real Estate | Substandard | Residential Line of Credit
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,375	2,304
Residential Real Estate | Substandard | Multi-Family Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	978	1,027
Purchased credit impaired loans	20	28
Commercial Real Estate | Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	483,910	353,564
Purchased credit impaired loans	11,962	3,782	5,095
Total loans	495,872	357,346	337,664
Commercial Real Estate | Non-Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	533,424	262,562
Purchased credit impaired loans	18,164	5,340	5,679
Total loans	551,588	267,902	207,871
Commercial Real Estate | Pass | Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	451,140	338,698
Commercial Real Estate | Pass | Non-Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	517,253	249,877
Commercial Real Estate | Watch | Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	28,308	10,459
Purchased credit impaired loans	4,631
Commercial Real Estate | Watch | Non-Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	14,199	10,273
Purchased credit impaired loans	7,359
Commercial Real Estate | Substandard | Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	4,462	4,407
Purchased credit impaired loans	7,331	3,782
Commercial Real Estate | Substandard | Non-Owner Occupied
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,972	2,412
Purchased credit impaired loans	10,805	5,340
Consumer and Other
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	192,382	74,303
Purchased credit impaired loans	25,319	4	4
Total loans	217,701	74,307	$ 77,627
Consumer and Other | Pass
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	189,081	73,454
Consumer and Other | Watch
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	2,712	417
Purchased credit impaired loans	19,751
Consumer and Other | Substandard
Financing Receivable Allowance For Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	589	432
Purchased credit impaired loans	$ 5,568	$ 4

XML

Loans and Allowance for Loan Losses - Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	$ 3,166,911	$ 1,848,784
Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	88,835	16,058
Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	8,101	8,729
30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	15,063	5,749
90 Days or More and Accruing Interest
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,996	1,329
Financing Receivables Current
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	3,052,916	1,816,919
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	715,075	386,233
Commercial and Industrial | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,144	478
Commercial and Industrial | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	533	1,297
Commercial and Industrial | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	5,859	262
Commercial and Industrial | 90 Days or More and Accruing Interest
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	90	127
Commercial and Industrial | Financing Receivables Current
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	706,449	384,069
Construction
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	448,326	245,905
Construction | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	7,728	4,319
Construction | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	300	254
Construction | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,412	441
Construction | 90 Days or More and Accruing Interest
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	241	17
Construction | Financing Receivables Current
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	438,645	240,874
Residential Real Estate | 1-to-4 Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	480,989	294,924
Residential Real Estate | 1-to-4 Family Mortgage | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	23,498	2,107
Residential Real Estate | 1-to-4 Family Mortgage | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,548	2,289
Residential Real Estate | Residential Line of Credit
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	194,986	177,190
Residential Real Estate | Residential Line of Credit | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	699	601
Residential Real Estate | Multi-Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	62,374	44,977
Residential Real Estate | Multi-Family Mortgage | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	20	28
Residential Real Estate | 30-89 Days Past Due | 1-to-4 Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	4,678	3,130
Residential Real Estate | 30-89 Days Past Due | Residential Line of Credit
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	527	1,139
Residential Real Estate | 90 Days or More and Accruing Interest | 1-to-4 Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	956	697
Residential Real Estate | 90 Days or More and Accruing Interest | Residential Line of Credit
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	134	433
Residential Real Estate | Financing Receivables Current | 1-to-4 Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	449,309	286,701
Residential Real Estate | Financing Receivables Current | Residential Line of Credit
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	193,626	175,017
Residential Real Estate | Financing Receivables Current | Multi-Family Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	62,354	44,949
Commercial Real Estate | Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	495,872	357,346
Commercial Real Estate | Owner Occupied | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	11,962	3,782
Commercial Real Estate | Owner Occupied | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	2,582	2,007
Commercial Real Estate | Non-Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	551,588	267,902
Commercial Real Estate | Non-Owner Occupied | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	18,164	5,340
Commercial Real Estate | Non-Owner Occupied | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,371	2,251
Commercial Real Estate | 30-89 Days Past Due | Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	521	186
Commercial Real Estate | 30-89 Days Past Due | Non-Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	121	158
Commercial Real Estate | 90 Days or More and Accruing Interest | Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	358
Commercial Real Estate | Financing Receivables Current | Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	480,449	351,371
Commercial Real Estate | Financing Receivables Current | Non-Owner Occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	531,932	260,153
Consumer and Other
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	217,701	74,307
Consumer and Other | Purchased Credit Impaired
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	25,319	4
Consumer and Other | Non Accruing
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	68	30
Consumer and Other | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	1,945	433
Consumer and Other | 90 Days or More and Accruing Interest
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	217	55
Consumer and Other | Financing Receivables Current
Financing Receivable Recorded Investment Past Due [Line Items]
Loans	$ 190,152	$ 73,785

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Loans and Allowance for Loan Losses - Impaired Loans Recognized, Segregated by Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable Impaired [Line Items]
Impaired loans with related allowance, Recorded investment	$ 1,235	$ 2,744
Impaired loans with related allowance, Unpaid principal	1,821	3,556
Impaired loans with related allowance, Related allowance	191	513
Impaired loan with no related allowance, Recorded investment	8,138	10,207
Impaired loan with no related allowance, Unpaid principal	9,451	12,170
Total impaired loans, Recorded investment	9,373	12,951
Total impaired loans, Unpaid principal	11,272	15,726
Total impaired loans, Related allowance	191	513
Impaired loan with no related allowance, Average recorded investment	9,173	7,835	$ 10,107
Impaired loan with no related allowance, Interest income recognized (cash basis)	335	455	159
Impaired loans with related allowance, Average recorded investment	1,992	6,432	9,576
Impaired loans with related allowance, Interest income recognized (cash basis)	64	43	319
Total impaired loans, Average recorded investment	11,164	14,267	19,683
Total impaired loans, Interest income recognized (cash basis)	399	498	478
Commercial and Industrial
Financing Receivable Impaired [Line Items]
Impaired loans with related allowance, Recorded investment	53	854
Impaired loans with related allowance, Unpaid principal	53	854
Impaired loans with related allowance, Related allowance	20	135
Impaired loan with no related allowance, Recorded investment	1,526	622
Impaired loan with no related allowance, Unpaid principal	1,570	746
Impaired loan with no related allowance, Average recorded investment	1,074	494	660
Impaired loan with no related allowance, Interest income recognized (cash basis)	38	20
Impaired loans with related allowance, Average recorded investment	454	994	1,269
Impaired loans with related allowance, Interest income recognized (cash basis)	2	17	22
Construction
Financing Receivable Impaired [Line Items]
Impaired loan with no related allowance, Recorded investment	1,289	2,686
Impaired loan with no related allowance, Unpaid principal	1,313	2,694
Impaired loan with no related allowance, Average recorded investment	1,988	2,622	4,337
Impaired loan with no related allowance, Interest income recognized (cash basis)	46	132	127
Impaired loans with related allowance, Average recorded investment		154	517
Impaired loans with related allowance, Interest income recognized (cash basis)			3
Residential Real Estate | 1-to-4 Family Mortgage
Financing Receivable Impaired [Line Items]
Impaired loans with related allowance, Recorded investment	194	103
Impaired loans with related allowance, Unpaid principal	495	369
Impaired loans with related allowance, Related allowance	18	23
Impaired loan with no related allowance, Recorded investment	1,068	2,368
Impaired loan with no related allowance, Unpaid principal	1,072	2,370
Impaired loan with no related allowance, Average recorded investment	1,718	1,329	2,815
Impaired loan with no related allowance, Interest income recognized (cash basis)	63	137	7
Impaired loans with related allowance, Average recorded investment	149	1,750	2,345
Impaired loans with related allowance, Interest income recognized (cash basis)	9	1	199
Residential Real Estate | Residential Line of Credit
Financing Receivable Impaired [Line Items]
Impaired loan with no related allowance, Recorded investment		311
Impaired loan with no related allowance, Unpaid principal		321
Impaired loan with no related allowance, Average recorded investment	156	156
Impaired loan with no related allowance, Interest income recognized (cash basis)		10
Residential Real Estate | Multi-Family Mortgage
Financing Receivable Impaired [Line Items]
Impaired loan with no related allowance, Recorded investment	978	1,027
Impaired loan with no related allowance, Unpaid principal	978	1,027
Impaired loan with no related allowance, Average recorded investment	1,003	1,051	652
Impaired loan with no related allowance, Interest income recognized (cash basis)	46	37	25
Impaired loans with related allowance, Average recorded investment			468
Commercial Real Estate | Owner Occupied
Financing Receivable Impaired [Line Items]
Impaired loans with related allowance, Recorded investment	844	635
Impaired loans with related allowance, Unpaid principal	1,123	654
Impaired loans with related allowance, Related allowance	120	113
Impaired loan with no related allowance, Recorded investment	1,676	2,117
Impaired loan with no related allowance, Unpaid principal	2,168	3,205
Impaired loan with no related allowance, Average recorded investment	1,897	1,120	788
Impaired loan with no related allowance, Interest income recognized (cash basis)	122	119
Impaired loans with related allowance, Average recorded investment	740	1,756	1,938
Impaired loans with related allowance, Interest income recognized (cash basis)	48	25	95
Commercial Real Estate | Non-Owner Occupied
Financing Receivable Impaired [Line Items]
Impaired loans with related allowance, Recorded investment	144	1,151
Impaired loans with related allowance, Unpaid principal	150	1,678
Impaired loans with related allowance, Related allowance	33	242
Impaired loan with no related allowance, Recorded investment	1,576	1,050
Impaired loan with no related allowance, Unpaid principal	2,325	1,781
Impaired loan with no related allowance, Average recorded investment	1,313	1,050	855
Impaired loan with no related allowance, Interest income recognized (cash basis)	19
Impaired loans with related allowance, Average recorded investment	648	1,777	$ 3,039
Impaired loans with related allowance, Interest income recognized (cash basis)	5
Consumer and Other
Financing Receivable Impaired [Line Items]
Impaired loans with related allowance, Recorded investment		1
Impaired loans with related allowance, Unpaid principal		1
Impaired loan with no related allowance, Recorded investment	25	26
Impaired loan with no related allowance, Unpaid principal	25	26
Impaired loan with no related allowance, Average recorded investment	26	13
Impaired loan with no related allowance, Interest income recognized (cash basis)	1
Impaired loans with related allowance, Average recorded investment	$ 1	$ 1

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Loans and Allowance for Loan Losses - Financial Effect of TDRs (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan	Dec. 31, 2015 USD ($) loan
Financing Receivable Modifications [Line Items]
Number of loans | loan	7	9	16
Pre-modification outstanding recorded investment	$ 1,883	$ 1,966	$ 3,546
Post-modification outstanding recorded investment	1,883	$ 1,966	3,546
Charge offs and specific reserves	$ 76		$ 132
Consumer and Other
Financing Receivable Modifications [Line Items]
Number of loans | loan	1	3
Pre-modification outstanding recorded investment	$ 25	$ 29
Post-modification outstanding recorded investment	$ 25	$ 29
Commercial and Industrial
Financing Receivable Modifications [Line Items]
Number of loans | loan	2		6
Pre-modification outstanding recorded investment	$ 627		$ 2,301
Post-modification outstanding recorded investment	$ 627		2,301
Charge offs and specific reserves			$ 86
Commercial Real Estate | Owner Occupied
Financing Receivable Modifications [Line Items]
Number of loans | loan	1	1	4
Pre-modification outstanding recorded investment	$ 377	$ 118	$ 786
Post-modification outstanding recorded investment	$ 377	$ 118	$ 786
Commercial Real Estate | Non-Owner Occupied
Financing Receivable Modifications [Line Items]
Number of loans | loan	2		1
Pre-modification outstanding recorded investment	$ 711		$ 133
Post-modification outstanding recorded investment	711		133
Charge offs and specific reserves	$ 68		1
Residential Real Estate
Financing Receivable Modifications [Line Items]
Charge offs and specific reserves			$ 45
Residential Real Estate | 1-to-4 Family Mortgage
Financing Receivable Modifications [Line Items]
Number of loans | loan	1	5	5
Pre-modification outstanding recorded investment	$ 143	$ 1,819	$ 326
Post-modification outstanding recorded investment	143	$ 1,819	326
Charge offs and specific reserves	$ 8		$ 45

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Loans and Allowance for Loan Losses - Summary of Loans Modified as Troubled Debt Restructurings for Payment Default (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Troubled Debt Restructurings [Line Items]
Defaulted	$ 0	$ 0
Charge offs and specific reserves	76,000		$ 132,000
Residential Real Estate
Troubled Debt Restructurings [Line Items]
Defaulted			145,000
Charge offs and specific reserves			45,000
Residential Real Estate | 1-to-4 Family Mortgage
Troubled Debt Restructurings [Line Items]
Defaulted			145,000
Charge offs and specific reserves	$ 8,000		$ 45,000

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Premises and Equipment - Schedule of Premises and Equipment and Related Accumulated Depreciation (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property Plant And Equipment [Line Items]
Premises and equipment, gross	$ 126,880	$ 107,664
Less: accumulated depreciation	(45,303)	(41,013)
Total Premises and Equipment	81,577	66,651
Land
Property Plant And Equipment [Line Items]
Premises and equipment, gross	22,108	18,698
Premises
Property Plant And Equipment [Line Items]
Premises and equipment, gross	57,719	44,301
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Premises and equipment, gross	22,292	21,700
Leasehold Improvements
Property Plant And Equipment [Line Items]
Premises and equipment, gross	10,740	10,515
Equipment
Property Plant And Equipment [Line Items]
Premises and equipment, gross	12,525	11,583
Construction In Process
Property Plant And Equipment [Line Items]
Premises and equipment, gross	$ 1,496	$ 867

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Premises and Equipment - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Abstract]
Depreciation expense	$ 4,316	$ 3,995	$ 3,283

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Other Real Estate Owned - Summary of Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Real Estate [Abstract]
Balance at beginning of period		$ 7,403	$ 11,641	$ 7,259
Transfers from loans		3,605	2,724	4,085
Transfers from premises and equipment	$ 3,466	3,466
Capital improvements				171
Acquired through merger or acquisition		6,888		5,002
Properties sold		(5,438)	(6,696)	(3,774)
Gain on sale of other real estate owned		1,080	1,670	187
Transferred to loans		(256)	(1,548)	(785)
Write-downs and partial liquidations		(306)	(388)	(504)
Balance at end of period	$ 16,442	$ 16,442	$ 7,403	$ 11,641

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Other Real Estate Owned - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($) Branch	Dec. 31, 2017 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)
Real Estate Properties [Line Items]
Real estate acquired through merger		$ 6,888	$ 5,002
Number of branch locations consolidated as part of merger or acquisition | Branch	5
Excess land and facilities transferred	$ 3,466	3,466
Clayton Banks
Real Estate Properties [Line Items]
Real estate acquired through merger		6,888
Acquisition of excess land and facilities held for sale as part of merger		4,147
Residential Real Estate Properties
Real Estate Properties [Line Items]
Foreclosed residential real estate properties	3,631	3,631		$ 2,143
Total foreclosure proceedings in process	$ 19	$ 19		$ 96

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Goodwill and Intangible Assets - Summary of Changes in Goodwill (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Goodwill [Line Items]
Balance at December 31, 2016	$ 46,867
Balance at December 31, 2017	137,190
Clayton Banks
Goodwill [Line Items]
Addition from merger with Clayton Banks (see Note 2)	$ 90,323

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Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Core deposit intangible asset	$ 587
Intangible asset amortized over estimated useful life		6 years 6 months	10 years	5 years
Customer Base Trust Intangible
Finite Lived Intangible Assets [Line Items]
Core deposit intangible asset	1,600
Manufactured Housing Servicing Intangible
Finite Lived Intangible Assets [Line Items]
Core deposit intangible asset	1,088
Clayton Banks | Core Deposits
Finite Lived Intangible Assets [Line Items]
Core deposit intangible asset	$ 9,060
Estimated useful life of intangible assets	3 years

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Goodwill and Other Intangible Assets - Schedule of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 14,902	$ 4,563
Core Deposits
Finite Lived Intangible Assets [Line Items]
Net Carrying Amount	14,902
Clayton Banks
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	42,190
Accumulated Amortization	(27,288)
Net Carrying Amount	14,902
Clayton Banks | Core Deposits
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	38,915	29,855	$ 29,855
Accumulated Amortization	(27,121)	(25,292)	(23,160)
Net Carrying Amount	11,794	$ 4,563	$ 6,695
Clayton Banks | Leasehold Intangible
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	587
Accumulated Amortization	(38)
Net Carrying Amount	549
Clayton Banks | Customer Base Trust Intangible
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,600
Accumulated Amortization	(67)
Net Carrying Amount	1,533
Clayton Banks | Manufactured Housing Servicing Intangible
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,088
Accumulated Amortization	(62)
Net Carrying Amount	$ 1,026

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Goodwill and Other Intangible Assets - Schedule of Estimated Aggregate Amortization Expense of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 14,902	$ 4,563
Core Deposits
Finite Lived Intangible Assets [Line Items]
December 31, 2018	3,275
December 31, 2019	2,866
December 31, 2020	2,476
December 31, 2021	2,090
December 31, 2022	1,609
Thereafter	2,586
Net Carrying Amount	$ 14,902

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Mortgage Servicing Rights - Schedule of Changes in Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Transfers And Servicing [Abstract]
Carrying value prior to policy change	$ 32,070	$ 29,711	$ 6,032
Fair value impact of change in accounting policy (See Note 1)	1,011
Carrying value at beginning of period	33,081	29,711	6,032
Capitalization	58,984	46,070	26,474
Amortization		(8,321)	(2,601)
Sales	(11,686)	(34,118)
(Loss) gain on sale	(249)	3,406
Impairment		(4,678)	(194)
Change in fair value:
Due to pay-offs/pay-downs	(3,104)
Due to change in valuation inputs or assumptions	(919)
Carrying value at December 31	$ 76,107	$ 32,070	$ 29,711

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Mortgage Servicing Rights - Schedule of Servicing Income and Expense Included in Mortgage Banking Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Servicing income:
Servicing income	$ 13,168	$ 12,063	$ 3,614
Change in fair value of mortgage servicing rights	(4,023)
Change in fair value of derivative hedging instruments	599
Total servicing income	9,744	12,063	3,614
Servicing expenses:
Servicing asset amortization		8,321	2,601
Servicing asset impairment		4,678	194
Loss on sale of mortgage servicing rights and related hedges and transaction costs on sale	249	4,447
Other servicing expenses	4,896	2,325	633
Total servicing expenses	5,145	19,771	3,428
Net servicing income (loss)	$ 4,599	$ (7,708)	$ 186

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Mortgage Servicing Rights - Schedule of Data and Key Economic Assumptions Related to Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Transfers And Servicing [Abstract]
Unpaid principal balance	$ 6,529,431	$ 2,833,958
Weighted-average prepayment speed (CPR)	8.90%	8.40%
Estimated impact on fair value of a 10% increase	$ (3,026)	$ (1,256)
Estimated impact on fair value of a 20% increase	$ (5,855)	$ (2,434)
Discount rate	9.75%	9.54%
Estimated impact on fair value of a 100 bp increase	$ (3,052)	$ (1,394)
Estimated impact on fair value of a 200 bp increase	$ (5,867)	$ (2,679)
Weighted-average coupon interest rate	3.94%	3.59%
Weighted-average servicing fee (basis points)	0.28%	0.27%
Weighted-average remaining maturity (in months)	335 months	328 months

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Mortgage Servicing Rights - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Transfers And Servicing [Abstract]
Mortgage servicing rights sold	$ 11,686,000	$ 34,118,000
Mortgage loans serviced	1,086,465,000	3,370,395,000
Mortgage loans serviced related to bulk sale of mortgage servicing rights	$ 0	$ 3,332,903,000

XML

Other Assets and Other liabilities - Summary of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Assets And Other Liabilities [Abstract]
Cash surrender value on bank owned life insurance	$ 10,873	$ 10,556
Prepaid expenses	2,477	2,245
Software	1,962	2,296
Mortgage lending receivable	3,176	24
Derivatives	9,690	19,745
Other assets	16,038	16,488
Total other assets	$ 44,216	$ 51,354

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Other Assets and Other liabilities - Summary of Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Assets And Other Liabilities [Abstract]
Deferred compensation	$ 5,301	$ 6,710
Accrued payroll	11,018	5,987
Mortgage servicing escrows	3,341	1,079
Mortgage buyback reserve	3,386	2,659
Accrued interest	1,504	632
Derivatives	1,699	586
Deferred tax liability (See Note 15)	11,858	4,180
Right to repurchase GNMA loans serviced (See Note 1)	43,035
Other liabilities	37,852	36,535
Total other liabilities	$ 118,994	$ 58,368

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Deposits - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Time Deposits [Abstract]
Time deposits in denomination of greater than $250	$ 176,837	$ 60,124

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Deposits - Schedule of Maturities of Time Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Time Deposits By Maturity [Abstract]
December 31, 2018	$ 432,030
December 31, 2019	139,398
December 31, 2020	56,719
December 31, 2021	32,893
December 31, 2022	24,075
Thereafter	3,214
Total time deposits	$ 688,329	$ 391,031

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Securities Sold Under Agreements to Repurchase - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets Sold Under Agreements To Repurchase [Line Items]
Securities sold under agreement to repurchase, carrying value	$ 14,293	$ 21,561
Mortgage Backed Securities
Assets Sold Under Agreements To Repurchase [Line Items]
Securities sold under agreement to repurchase, carrying value	$ 14,293	$ 21,561

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Securities Sold Under Agreements to Repurchase - Summary of Balances for Securities Sold Under Agreements to Repurchase (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Assets Sold Under Agreements To Repurchase [Line Items]
Balance at year end	$ 14,293	$ 21,561
Mortgage Backed Securities
Assets Sold Under Agreements To Repurchase [Line Items]
Balance at year end	14,293	21,561
Average daily balance during the year	$ 16,326	$ 60,331
Average interest rate during the year	0.17%	0.11%
Maximum month-end balance during the year	$ 19,432	$ 115,005
Weighted average interest rate at year-end	0.16%	0.17%

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Short-term Borrowings - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Short Term Debt [Line Items]
Borrowings against lines	$ 190,000,000	$ 150,000,000
Federal Reserve Bank | Borrower in Custody Program
Short Term Debt [Line Items]
Line of credit	529,547,000	765,107,000
Federal Reserve Bank | Borrower in Custody Program | Qualifying Loans
Short Term Debt [Line Items]
Pledged loan securities	737,856,000	1,072,118,000
Federal Reserve Bank | Borrower in Custody Program | Investment Securities
Short Term Debt [Line Items]
Pledged loan securities	13,544,000	0
Federal Home Loan Bank
Short Term Debt [Line Items]
Borrowings against lines	190,000,000	150,000,000
Pledged investment securities	0	60,371,000
Loans from Federal Home Loan Banks	968,567,000	565,718,000
U.S. Government Agency Securities | One to Four Family and Multi-Family Mortgages | Federal Home Loan Bank
Short Term Debt [Line Items]
Line of credit	300,000,000	300,000,000
First Tennessee Bank, N.A
Short Term Debt [Line Items]
Line of credit	$ 30,000,000	30,000,000
Number of consecutive trading days	14 days
Borrowings against lines	$ 0	0
BBVA Compass Bank
Short Term Debt [Line Items]
Line of credit	$ 10,000,000	10,000,000
Number of consecutive trading days	14 days
Borrowings against lines	$ 0	0
SunTrust Bank
Short Term Debt [Line Items]
Line of credit	$ 15,000,000
Number of consecutive trading days	7 days
Borrowings against lines	$ 0	0
SunTrust Bank | Minimum
Short Term Debt [Line Items]
Marketable security with current value, percent	125.00%
First National Banker's Bank
Short Term Debt [Line Items]
Line of credit	$ 10,000,000
Number of consecutive trading days	30 days
Zions Bank
Short Term Debt [Line Items]
Line of credit	$ 25,000,000
PNC Bank
Short Term Debt [Line Items]
Line of credit	20,000,000
Servis First Bank
Short Term Debt [Line Items]
Line of credit	15,000,000
Borrowings against lines	$ 0	$ 0

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Long-term Debt - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($) InterestRateSwap	Dec. 31, 2016 USD ($)	Dec. 31, 2003 USD ($) trust	Dec. 31, 2015 USD ($) Note
Debt Instrument [Line Items]
Number of subordinated notes payable | Note					3
Fixed rate borrowings		$ 112,372	$ 13,962
Federal home loan bank, Advances, Branch of FHLB bank, Weighted average interest rate		1.45%	3.02%
Federal home loan bank advances maturity and reprice period		90 days
Number of corresponding interest rate swap agreements | InterestRateSwap		3
Number of separate trusts | trust				2
Net proceeds from sale of common stock		$ 153,356	$ 116,054
Debt instrument, redemption, description		The Company may redeem the first junior subordinated debenture listed, in whole or in part, on any distribution payment date within 120 days of the occurrence of a special event, at the redemption price. The Company may redeem the second junior subordinated debentures listed, in whole or in part, any time after June 26, 2008, on any distribution payment date, at the redemption price. The junior subordinated debentures must be redeemed no later than 2033.
Floating Rate Trust Preferred Securities Trust I
Debt Instrument [Line Items]
Preferred securities issued to form the trust				$ 9,000
Debt instrument, basis spread on variable rate				3.25%
Debt instrument, description of variable rate basis		3-month LIBOR plus 3.25%
Debt instrument, interest rate		4.59%	4.25%
Floating Rate Trust Preferred Securities Trust II
Debt Instrument [Line Items]
Preferred securities issued to form the trust				$ 21,000
Debt instrument, basis spread on variable rate				3.15%
Debt instrument, description of variable rate basis		3-month LIBOR plus 3.15%
Debt instrument, interest rate		4.82%	4.15%
Clayton Banks
Debt Instrument [Line Items]
Fixed rate borrowings	$ 100,000
Minimum
Debt Instrument [Line Items]
Federal home loan bank advances maturities due term		1 year
Maximum
Debt Instrument [Line Items]
Federal home loan bank advances maturities due term		12 years
Federal Home Loan Bank of Cincinnati
Debt Instrument [Line Items]
Borrowing capacity at Federal Home Loan Bank of Cincinnati		$ 671,461	$ 476,562
Loans from Federal Home Loan Banks		968,567	565,718
Pledged investment securities		$ 0	60,371
First Note
Debt Instrument [Line Items]
Debt instrument, face amount					$ 775
Second Note
Debt Instrument [Line Items]
Debt instrument, face amount					$ 3,300
Third Note
Debt Instrument [Line Items]
Debt instrument, face amount			$ 6,000
Junior Subordinated Debentures | Floating Rate Trust Preferred Securities Trust I
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				$ 9,280
Net proceeds from sale of common stock				280
Junior Subordinated Debentures | Floating Rate Trust Preferred Securities Trust II
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				21,650
Net proceeds from sale of common stock				$ 650

XML

Long-term Debt - Summary of Maturities of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Due on or before:
December 31, 2018	$ 109,712
December 31, 2019	224
December 31, 2020	131
December 31, 2021	418
December 31, 2022	890
Due thereafter	31,927
Total	143,302	$ 44,892
Federal Home Loan Bank
Due on or before:
December 31, 2018	109,712
December 31, 2019	224
December 31, 2020	131
December 31, 2021	418
December 31, 2022	890
Due thereafter	997
Total	112,372
Junior Subordinated Debentures
Due on or before:
Due thereafter	30,930
Total	$ 30,930

XML

Long-term Debt - Summary of Maturities of Long-Term Debt (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Fixed rate borrowings	$ 112,372	$ 13,962
Federal home loan bank advances maturity and reprice period	90 days
Interest Rate Swaps
Debt Instrument [Line Items]
Fixed rate borrowings	$ 100,000
Federal home loan bank advances maturity and reprice period	90 days
Fixed rate repricing terms amount maturing year on 2020	$ 30,000
Fixed rate repricing terms amount maturing year on 2021	35,000
Fixed rate repricing terms amount maturing year on 2022	$ 35,000

XML

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Deferred tax liability increased due to change in taxable status			$ 13,181
Statutory federal income tax rate		35.00%
Reduction in deferred tax liability due to change in tax rate		$ 5,894
Deferred income tax expense related to unrealized gain on available for sale securities		6,458	9,257	$ 1,647
C Corporation
Income Taxes [Line Items]
Deferred tax liability increased due to change in taxable status			$ 13,181
Deferred income tax expense related to unrealized gain on available for sale securities		$ 2,955
Scenario, Plan
Income Taxes [Line Items]
Statutory federal income tax rate	21.00%

XML

Income Taxes - Schedule of Allocation of Federal and State Income Taxes between Current and Deferred Portions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Current	$ 14,629	$ 12,476	$ 1,321
Deferred	6,458	9,257	1,647
Total	$ 21,087	$ 21,733	$ 2,968

XML

Income Taxes - Schedule of Reconciliation of Income Taxes Computed at the United States Federal Statutory Tax Rates to the Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Federal taxes calculated at statutory rate	$ 25,720	$ 5,061
Increase (decrease) resulting from:
State taxes, net of federal benefit	3,053	3,664	$ 2,956
Revaluation of net deferred tax liability as a result of the Tax Cuts and Jobs Act	(5,894)
Conversion as of September 16, 2016 to C Corporation		13,181
Benefit of equity based compensation	(310)	(786)
Permanent items	(1,402)	(633)	12
Other	(80)	1,246
Total	$ 21,087	21,733	$ 2,968
C Corporation
Increase (decrease) resulting from:
Conversion as of September 16, 2016 to C Corporation		$ 13,181

XML

Income Taxes - Schedule of Net Deferred Tax liability (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Allowance for loan losses	$ 6,264	$ 8,516
Amortization of core deposit intangible	759	996
Compensation related	6,158	7,552
Unrealized loss on securities	988	2,462
Other	3,599	2,430
Subtotal	17,768	21,956
Deferred tax liabilities:
FHLB stock dividends	(550)	(827)
Depreciation	(4,115)	(6,548)
Mortgage servicing rights	(19,830)	(12,558)
Other	(5,131)	(6,203)
Subtotal	(29,626)	(26,136)
Net deferred tax liability	$ (11,858)	$ (4,180)

XML

Dividend Restrictions - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Disclosure Of Restrictions On Dividends Loans And Advances Disclosure [Abstract]
Amount available for payment of dividend without prior approval	$ 105,453	$ 66,180
Dividends declared	$ 0	$ 69,300	$ 23,600

XML

Commitments and Contingencies - Summary of Financial Instruments with Off-Balance Sheet Credit Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance sheet credit loss	$ 1,000,158	$ 602,426
Commitments to Extend Credit, Excluding Interest Rate Lock Commitments
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance sheet credit loss	977,276	579,879
Letter of Credit
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance sheet credit loss	$ 22,882	$ 22,547

XML

Commitments and Contingencies - Summary of Commitments Under Non-Cancelable Operating Leases (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Commitments And Contingencies Disclosure [Abstract]
2018	$ 3,533
2019	2,806
2020	2,318
2021	2,074
2022	1,623
Thereafter	5,350
Total	$ 17,704

XML

Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Commitments And Contingencies Disclosure [Abstract]
Operating leases rent expense	$ 4,245	$ 3,904	$ 3,750
Total principal amount of loans repurchased or indemnified	$ 4,704	$ 8,326	$ 2,453

XML

Commitments and Contingencies - Summary of Allowance for Loan Repurchases or Indemnifications (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Commitments And Contingencies Disclosure [Abstract]
Balance at beginning of period	$ 2,659	$ 2,156	$ 828
Provision for loan repurchases or indemnifications	810	512	1,375
Recoveries on previous losses		9
Losses on loans repurchased or indemnified	(83)	(18)	(47)
Balance at end of period	$ 3,386	$ 2,659	$ 2,156

XML

Derivatives - Additional Information (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jul. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($) InterestRateSwap	Dec. 31, 2016 USD ($)
Derivative [Line Items]
Long-term debt		$ 143,302		$ 44,892
Notional amount	$ 100,000
Interest rate swap maturity date		Jun. 30, 2024
Designated as Hedging
Derivative [Line Items]
Notional amount		$ 130,000
Subordinated Debentures
Derivative [Line Items]
Number of derivative instruments | InterestRateSwap			2
Long-term debt			$ 30,930
Interest Rate Swaps
Derivative [Line Items]
Number of derivative instruments | InterestRateSwap			3
Interest Rate Swaps | Designated as Hedging
Derivative [Line Items]
Fair value of interest rate swap		1,127
Interest Rate Swaps | Subordinated Debentures
Derivative [Line Items]
Notional amount			$ 30,000
Fair value of interest rate swap		$ 305
Interest Rate Swaps Three
Derivative [Line Items]
Notional amount	$ 30,000
Derivative notional amount maturity period	3 years
Interest Rate Swaps Four
Derivative [Line Items]
Notional amount	$ 35,000
Derivative notional amount maturity period	4 years
Interest Rate Swaps Five
Derivative [Line Items]
Notional amount	$ 35,000
Derivative notional amount maturity period	5 years

XML

Derivatives - Schedule of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jul. 31, 2017	Dec. 31, 2016
Derivatives Fair Value [Line Items]
Notional amount		$ 100,000
Asset	$ 9,690		$ 19,745
Liability	1,699		586
Not Designated As Hedging
Derivatives Fair Value [Line Items]
Notional amount	1,810,484		1,384,163
Asset	8,258		19,745
Liability	1,699		586
Not Designated As Hedging | Interest rate contracts
Derivatives Fair Value [Line Items]
Notional amount	146,754		22,243
Asset	1,146		586
Liability	1,146		586
Not Designated As Hedging | Forward commitments
Derivatives Fair Value [Line Items]
Notional amount	870,574		829,000
Asset			12,731
Liability	553
Not Designated As Hedging | Interest rate-lock commitments
Derivatives Fair Value [Line Items]
Notional amount	504,156		532,920
Asset	6,768		$ 6,428
Not Designated As Hedging | Option Contracts
Derivatives Fair Value [Line Items]
Notional amount	6,000
Asset	29
Not Designated As Hedging | Futures Contracts
Derivatives Fair Value [Line Items]
Notional amount	283,000
Asset	315
Designated as Hedging
Derivatives Fair Value [Line Items]
Notional amount	130,000
Asset	1,432
Designated as Hedging | Interest Rate Swaps
Derivatives Fair Value [Line Items]
Notional amount	130,000
Asset	$ 1,432

XML

Derivatives - Schedule of Gains (Losses) Included in the Consolidated Statements of Income Related to Derivative Financial Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivatives Fair Value [Line Items]
Amount of gain recognized in other comprehensive income, net of tax	$ 685
Derivatives Not Designated As Hedging Instruments | Mortgage Banking Income
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(11,310)	$ 11,332	$ (1,527)
Derivatives Not Designated As Hedging Instruments | Mortgage Banking Income | Interest Rate Lock Commitments
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	340	835	2,073
Derivatives Not Designated As Hedging Instruments | Mortgage Banking Income | Forward Contracts
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(11,987)	10,497	$ (3,600)
Derivatives Not Designated As Hedging Instruments | Mortgage Banking Income | Futures Contracts
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	315
Derivatives Not Designated As Hedging Instruments | Mortgage Banking Income | Option Contracts
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	22
Designated as Hedging
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	168	(5,569)
Amount of gain reclassified from other comprehensive income and recognized in interest expense on long-term debt	168
Amount of gain recognized in other comprehensive income, net of tax	$ 685
Designated as Hedging | Included in Loss on Sale of Mortgage Servicing Rights
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments		$ (5,569)

XML

Fair Value Measurements - Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financial assets:
Available-for-sale securities, at fair value	$ 543,992	$ 582,183
Interest receivable	13,069	7,241
Mortgage servicing rights, net		33,081	$ 29,711	$ 6,032
Derivatives assets	9,690	19,745
Financial liabilities:
Derivatives liabilities	1,699	586
Carrying Amount
Financial assets:
Cash and cash equivalents	119,751	136,327
Available-for-sale securities, at fair value	543,992	582,183
Federal Home Loan Bank Stock	11,412	7,743
Loans, net	3,142,870	1,827,037
Loans held for sale	526,185	507,442
Interest receivable	13,069	7,241
Mortgage servicing rights, net	76,107	32,070
Derivatives assets	9,690	19,745
Financial liabilities:
Deposits, Without stated maturities	2,976,066	2,280,531
Deposits, With stated maturities	688,329	391,031
Securities sold under agreement to repurchase	14,293	21,561
Short term borrowings	190,000	150,000
Interest payable	1,504	632
Long-term debt	143,302	44,892
Derivatives liabilities	1,699	586
Fair Value
Financial assets:
Cash and cash equivalents	119,751	136,327
Available-for-sale securities, at fair value	543,992	582,183
Federal Home Loan Bank Stock	11,412	7,743
Loans, net	3,141,400	1,823,335
Loans held for sale	526,185	507,442
Interest receivable	13,069	7,241
Mortgage servicing rights, net	76,107	33,081
Derivatives assets	9,690	19,745
Financial liabilities:
Deposits, Without stated maturities	2,976,066	2,280,531
Deposits, With stated maturities	682,403	390,484
Securities sold under agreement to repurchase	14,293	21,561
Short term borrowings	190,000	150,000
Interest payable	1,504	632
Long-term debt	149,135	47,377
Derivatives liabilities	1,699	586
Fair Value | Fair Value Level 1
Financial assets:
Cash and cash equivalents	119,751	136,327
Financial liabilities:
Deposits, Without stated maturities	2,976,066	2,280,531
Securities sold under agreement to repurchase	14,293	21,561
Short term borrowings	190,000	150,000
Interest payable	575	249
Fair Value | Fair Value Level 2
Financial assets:
Available-for-sale securities, at fair value	540,388	577,634
Loans, net	3,064,373	1,822,054
Loans held for sale	526,185	507,442
Interest receivable	13,069	7,241
Derivatives assets	9,690	19,745
Financial liabilities:
Deposits, With stated maturities	682,403	390,484
Interest payable	929	383
Long-term debt	149,135	47,377
Derivatives liabilities	1,699	586
Fair Value | Fair Value Level 3
Financial assets:
Available-for-sale securities, at fair value	3,604	4,549
Federal Home Loan Bank Stock	11,412	7,743
Loans, net	77,027	1,281
Mortgage servicing rights, net	$ 76,107	$ 33,081

XML

Fair Value Measurements - Balances and Levels of Assets Measured at Fair Value on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financial assets:
Available-for-sale securities, at fair value	$ 543,992	$ 582,183
Mortgage servicing rights, net		33,081	$ 29,711	$ 6,032
Derivatives assets	9,690	19,745
Impaired loans	9,373	12,951
Financial liabilities:
Derivatives liabilities	1,699	586
Fair Value, Measurements, Recurring
Financial assets:
Available-for-sale securities, at fair value	543,992	582,183
Loans held for sale	526,185	507,442
Mortgage servicing rights, net	76,107
Derivatives assets	9,690	19,745
Financial liabilities:
Derivatives liabilities	1,699	586
Fair Value, Measurements, Recurring | U.S. Government Agency Securities
Financial assets:
Available-for-sale securities, at fair value	986	985
Fair Value, Measurements, Recurring | Mortgage-backed Securities
Financial assets:
Available-for-sale securities, at fair value	418,781	443,908
Fair Value, Measurements, Recurring | Municipals, Tax Exempt
Financial assets:
Available-for-sale securities, at fair value	109,251	116,923
Fair Value, Measurements, Recurring | Treasury Securities
Financial assets:
Available-for-sale securities, at fair value	7,252	11,757
Fair Value, Measurements, Recurring | Equity Securities
Financial assets:
Available-for-sale securities, at fair value	7,722	8,610
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Available-for-sale securities, at fair value	540,388	577,634
Loans held for sale	526,185	507,442
Derivatives assets	9,690	19,745
Financial liabilities:
Derivatives liabilities	1,699	586
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. Government Agency Securities
Financial assets:
Available-for-sale securities, at fair value	986	985
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Mortgage-backed Securities
Financial assets:
Available-for-sale securities, at fair value	418,781	443,908
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Municipals, Tax Exempt
Financial assets:
Available-for-sale securities, at fair value	109,251	116,923
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Treasury Securities
Financial assets:
Available-for-sale securities, at fair value	7,252	11,757
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Equity Securities
Financial assets:
Available-for-sale securities, at fair value	4,118	4,061
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Available-for-sale securities, at fair value	3,604	4,549
Mortgage servicing rights, net	76,107
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity Securities
Financial assets:
Available-for-sale securities, at fair value	3,604	4,549
Fair Value, Measurements, Nonrecurring
Financial assets:
Mortgage servicing rights, net		32,070
Other real estate owned	13,174	2,315
Impaired loans	77,027	1,281
Fair Value, Measurements, Nonrecurring | Commercial and Industrial
Financial assets:
Impaired loans	1,971	542
Fair Value, Measurements, Nonrecurring | Consumer and Other
Financial assets:
Impaired loans	25,320	1
Fair Value, Measurements, Nonrecurring | Construction Loans | Commercial and Industrial
Financial assets:
Impaired loans	4,211
Fair Value, Measurements, Nonrecurring | 1-to-4 Family Mortgage | Residential Real Estate
Financial assets:
Impaired loans	21,902	103
Fair Value, Measurements, Nonrecurring | Owner Occupied | Commercial Real Estate
Financial assets:
Impaired loans	10,030	635
Fair Value, Measurements, Nonrecurring | Non-Owner Occupied | Commercial Real Estate
Financial assets:
Impaired loans	13,593
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Mortgage servicing rights, net		32,070
Other real estate owned	13,174	2,315
Impaired loans	77,027	1,281
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial
Financial assets:
Impaired loans	1,971	542
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Consumer and Other
Financial assets:
Impaired loans	25,320	1
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Construction Loans | Commercial and Industrial
Financial assets:
Impaired loans	4,211
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | 1-to-4 Family Mortgage | Residential Real Estate
Financial assets:
Impaired loans	21,902	103
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Owner Occupied | Commercial Real Estate
Financial assets:
Impaired loans	10,030	$ 635
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) | Non-Owner Occupied | Commercial Real Estate
Financial assets:
Impaired loans	$ 13,593

XML

Fair Value Measurements - Reconciliation for Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs or Level 3 Inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Balance at beginning of period	$ 4,549	$ 4,856
Impairment of equity securities	(945)
Capital distribution		(307)
Balance at end of period	$ 3,604	$ 4,549

XML

Fair Value Measurements - Information about Significant Unobservable Inputs (Level 3) Used in Valuation of Assets Measured at Fair Value on Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - Significant Unobservable Inputs (Level 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Valuation of collateral | Minimum
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	0.00%	0.00%
Valuation of collateral | Maximum
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	30.00%	30.00%
Valuation of collateral | Impaired Loans
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair value of assets	$ 77,027	$ 1,281
Appraised value of property less costs to sell | Minimum
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	0.00%	0.00%
Appraised value of property less costs to sell | Maximum
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	15.00%	10.00%
Appraised value of property less costs to sell | Other Real Estate
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair value of assets	$ 13,174	$ 2,315
Discounted cash flows | Mortgage Servicing Rights Net
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair value of assets		$ 33,081

XML

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Mortgage Loans
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Net (losses) gains from fair value changes of mortgage loans	$ 9,111	$ (2,289)	$ 2,257
GNMA
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Mortgage loans held for sale measured at fair value	$ 43,035

XML

Fair Value Measurements - Schedule of Differences between Fair Value and Principal Balance for Loans Held for Sale Measured at Fair Value (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Fair Value
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Mortgage loans held for sale measured at fair value	$ 482,089	$ 507,442
Past due loans of 90 days or more	320
Nonaccrual loans	741
Aggregate Unpaid Principal Balance
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Mortgage loans held for sale measured at fair value	467,039	501,503
Past due loans of 90 days or more	320
Nonaccrual loans	741
Difference
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Mortgage loans held for sale measured at fair value	$ 15,050	$ 5,939

XML

Parent Company Only Financial Statements - Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 119,751	$ 136,327	$ 97,723	$ 49,954
Other assets	44,216	51,354
Goodwill	137,190	46,867	46,904
Total assets	4,727,713	3,276,881	2,899,420
Liabilities:
Long-term debt	143,302	44,892
Accrued expenses and other liabilities	118,994	58,368
Total liabilities	4,130,984	2,946,383
Shareholders' equity:
Common stock	30,536	24,108
Additional paid-in capital	418,596	213,480
Retained earnings	147,449	93,784
Accumulated other comprehensive (loss) income	148	(874)
Total shareholders' equity	596,729	330,498	236,674	215,228
Total liabilities and shareholders' equity	4,727,713	3,276,881
Parent Company
ASSETS
Cash and cash equivalents	25,789	30,993	$ 1,253	$ 551
Investments	1,129	2,074
Investments in Bank subsidiary	595,625	325,574
Other assets	5,411	2,972
Goodwill	29	29
Total assets	627,983	361,642
Liabilities:
Long-term debt	30,930	30,930
Accrued expenses and other liabilities	324	214
Total liabilities	31,254	31,144
Shareholders' equity:
Common stock	30,536	24,108
Additional paid-in capital	418,596	213,480
Retained earnings	147,449	93,784
Accumulated other comprehensive (loss) income	148	(874)
Total shareholders' equity	596,729	330,498
Total liabilities and shareholders' equity	$ 627,983	$ 361,642

XML

Parent Company Only Financial Statements - Income Statements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income
Other interest income	$ 1,554	$ 611	$ 468
Net interest income	153,271	110,950	93,872
Expenses
Interest expense	16,342	9,544	8,910
Other noninterest expense	27,744	22,212	17,786
Net income	52,398	40,591	47,856
Parent Company
Income
Other interest income	41	33	33
Interest income from Bank subsidiary		95	121
Gain (loss) on investments	(945)	417
Dividend income from Bank subsidiary		14,875	25,105
Earnings from Bank subsidiary	54,713	26,859	23,879
Net interest income	53,809	42,279	49,138
Expenses
Interest expense	1,491	1,393	1,298
Salaries, legal and professional fees	893	315	3
Other noninterest expense	296	168	59
Federal and state income tax benefit	(1,269)	(188)	(78)
Total expenses	1,411	1,688	1,282
Net income	$ 52,398	$ 40,591	$ 47,856

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Parent Company Only Financial Statements - Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Activities
Net income	$ 52,398	$ 40,591	$ 47,856
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	6,760	4,693
Financing Activities
Dividends paid		(69,300)	(25,350)
Net proceeds from sale of common stock	153,356	116,054
Net change in cash and cash equivalents	(16,576)	38,604	47,769
Cash and cash equivalents at beginning of the period	136,327	97,723	49,954
Cash and cash equivalents at end of the period	119,751	136,327	97,723
Supplemental cash flow information:
Conversion of cash-settled to stock settled compensation		5,388
Parent Company
Operating Activities
Net income	52,398	40,591	47,856
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed income of subsidiary bank	(54,713)	(26,859)	(23,879)
Loss (gain) on investments	945	(417)
Stock-based compensation expense		4,693
(Increase) decrease in other assets	(2,439)	(427)	1,292
Increase (decrease) in other liabilities	(551)	(5,251)	23
Other, net		7	(1)
Net cash provided by operating activities	(4,360)	12,337	25,291
Investing Activities
Other investments		724	761
Net cash provided by investing activities		724	761
Financing Activities
Equity contribution to Bank	(154,200)	(20,000)
Dividends paid		(69,300)	(25,350)
Payment of subordinated debt		(10,075)
Net proceeds from sale of common stock	153,356	116,054
Net cash (used in) provided by financing activities	(844)	16,679	(25,350)
Net change in cash and cash equivalents	(5,204)	29,740	702
Cash and cash equivalents at beginning of the period	30,993	1,253	551
Cash and cash equivalents at end of the period	$ 25,789	30,993	$ 1,253
Supplemental cash flow information:
Conversion of cash-settled to stock settled compensation		5,388
Forgiveness of intercompany debt		$ 6,024

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Segment Reporting - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014
Segment Reporting Information [Line Items]
Number of reportable segments | Segment	2
Interest paid	$ 15,470	$ 9,474	$ 8,985
Interest income	153,969	105,865	87,723
Mortgage Segment
Segment Reporting Information [Line Items]
Interest paid	$ 16,932	$ 12,636	8,688
Mortgage Segment | Prime Interest Rate
Segment Reporting Information [Line Items]
Warehouse line of credit interest rate	4.50%	3.75%		3.50%
Banking Segment
Segment Reporting Information [Line Items]
Interest income	$ 16,932	$ 12,636	$ 8,688

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Segment Reporting - Schedule of Segment Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net interest income	$ 153,271	$ 110,950	$ 93,872
Provision for loan losses	(950)	(1,479)	(3,064)
Mortgage banking income	120,357	117,751	70,190
Change in fair value of mortgage servicing rights	(3,424)
Other noninterest income	24,648	26,934	22,190
Depreciation and amortization	4,316	3,995	3,283
Amortization of intangibles	1,995	2,132	1,731
Amortization and impairment of mortgage servicing rights		12,999	2,795
Loss on sale of mortgage servicing rights	249	4,447
Other noninterest mortgage banking expense	98,296	82,351	56,138
Other noninterest expense	117,461	88,866	74,545
Income before income taxes	73,485	62,324	50,824
Income tax expense	21,087	21,733	2,968
Net income	52,398	40,591	47,856
Total assets	4,727,713	3,276,881	2,899,420
Goodwill	137,190	46,867	46,904
Banking Segment
Segment Reporting Information [Line Items]
Net interest income	153,018	112,365	92,366
Provision for loan losses	(950)	(1,479)	(3,070)
Mortgage banking income	26,737	25,542	18,718
Other noninterest income	24,648	26,934	22,190
Depreciation and amortization	3,801	3,506	2,933
Amortization of intangibles	1,995	2,132	1,731
Other noninterest mortgage banking expense	21,714	16,095	13,189
Other noninterest expense	117,461	88,866	74,545
Income before income taxes	60,382	55,721	43,946
Total assets	4,130,349	2,752,773	2,570,071
Goodwill	137,090	46,767	46,804
Mortgage Segment
Segment Reporting Information [Line Items]
Net interest income	253	(1,415)	1,506
Provision for loan losses			6
Mortgage banking income	93,620	92,209	51,472
Change in fair value of mortgage servicing rights	(3,424)
Depreciation and amortization	515	489	350
Amortization and impairment of mortgage servicing rights		12,999	2,795
Loss on sale of mortgage servicing rights	249	4,447
Other noninterest mortgage banking expense	76,582	66,256	42,949
Income before income taxes	13,103	6,603	6,878
Total assets	597,364	524,108	329,349
Goodwill	$ 100	$ 100	$ 100

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Segment Reporting - Schedule of Segment Financial Information (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Merger and conversion	$ 19,034	$ 3,268	$ 3,543
Clayton Banks
Segment Reporting Information [Line Items]
Merger and conversion	$ 19,034
Northwest Georgia Bank
Segment Reporting Information [Line Items]
Merger and conversion		$ 3,268	$ 3,543

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Minimum Capital Requirements - Additional Information (Details)	12 Months Ended
	Dec. 31, 2017
Banking And Thrift [Abstract]
Capital conservative buffer percentage	2.50%
Description of capital adequacy purposes	Beginning in 2016, an additional conservation buffer was added to the minimum requirements for capital adequacy purposes, subject to a three year phase-in period. The capital conservative buffer will be fully phased in January 1, 2019 at 2.5 percent.

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Minimum Capital Requirements - Schedule of Actual and Required Capital Amounts and Ratios (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
FB Financial Corporation
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital (to risk-weighted assets), Actual Amount	$ 496,422	$ 338,893
Total Capital (to risk-weighted assets), Actual Ratio	12.01%	13.03%
Total Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 330,672	$ 208,069
Total Capital (to risk-weighted assets), For capital adequacy purposes, Ratio	8.00%	8.00%
Total Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Amount	$ 382,340	$ 224,325
Total Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	9.25%	8.63%
Tier 1 Capital (to risk-weighted assets), Actual Amount	$ 472,381	$ 317,146
Tier 1 Capital (to risk-weighted assets), Actual Ratio	11.43%	12.19%
Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 247,969	$ 156,101
Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Ratio	6.00%	6.00%
Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Amount	$ 299,629	$ 172,362
Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	7.25%	6.63%
Tier 1 Capital (to average assets), Actual Amount	$ 472,381	$ 317,146
Tier 1 Capital (to average assets), Actual Ratio	10.46%	10.05%
Tier 1 Capital (to average assets), For capital adequacy purposes, Amount	$ 180,643	$ 126,227
Tier 1 Capital (to average assets), For capital adequacy purposes, Ratio	4.00%	4.00%
Common Equity Tier 1 Capital (to risk-weighted assets), Actual Amount	$ 442,381	$ 287,146
Common Equity Tier 1 Capital (to risk-weighted assets), Actual Ratio	10.71%	11.04%
Common Equity Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 185,874	$ 117,043
Common Equity Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Ratio	4.50%	4.50%
Common Equity Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Amount	$ 237,506	$ 133,299
Common Equity Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	5.75%	5.13%
FirstBank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital (to risk-weighted assets), Actual Amount	$ 466,102	$ 304,018
Total Capital (to risk-weighted assets), Actual Ratio	11.30%	11.72%
Total Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 329,984	$ 207,521
Total Capital (to risk-weighted assets), For capital adequacy purposes, Ratio	8.00%	8.00%
Total Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Amount	$ 381,544	$ 223,733
Total Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	9.25%	8.63%
Total Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Amount	$ 412,480	$ 259,401
Total Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Ratio	10.00%	10.00%
Tier 1 Capital (to risk-weighted assets), Actual Amount	$ 442,061	$ 282,271
Tier 1 Capital (to risk-weighted assets), Actual Ratio	10.72%	10.88%
Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 247,422	$ 155,664
Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Ratio	6.00%	6.00%
Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Amount	$ 298,968	$ 171,879
Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	7.25%	6.63%
Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions Amount	$ 247,422	$ 155,664
Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions Ratio	6.00%	6.00%
Tier 1 Capital (to average assets), Actual Amount	$ 442,061	$ 282,271
Tier 1 Capital (to average assets), Actual Ratio	9.77%	8.95%
Tier 1 Capital (to average assets), For capital adequacy purposes, Amount	$ 180,987	$ 126,155
Tier 1 Capital (to average assets), For capital adequacy purposes, Ratio	4.00%	4.00%
Tier 1 Capital (to average assets), To be well capitalized under prompt corrective action provisions, Amount	$ 226,234	$ 157,693
Tier 1 Capital (to average assets), To be well capitalized under prompt corrective action provisions, Ratio	5.00%	5.00%
Common Equity Tier 1 Capital (to risk-weighted assets), Actual Amount	$ 442,061	$ 282,271
Common Equity Tier 1 Capital (to risk-weighted assets), Actual Ratio	10.72%	10.88%
Common Equity Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 185,567	$ 116,748
Common Equity Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Ratio	4.50%	4.50%
Common Equity Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Amount	$ 237,113	$ 132,963
Common Equity Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	5.75%	5.13%
Common Equity Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Amount	$ 268,041	$ 168,636
Common Equity Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Ratio	6.50%	6.50%

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Employee Benefit Plans - Additional Information (Details)				12 Months Ended
	Dec. 31, 2019	Jun. 28, 2016	Dec. 31, 2014 USD ($)	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum percentage of amount to be contributed by the employer				6.00%
Matching and profit sharing vesting period				5 years
Contribution provided by the bank to the plan				$ 2,344,000	$ 1,379,000	$ 1,290,000
Discretionary contribution percentage				25.00%	25.00%	25.00%
Post retirement benefits payable				$ 1,510,000	$ 2,023,000
Expense related to plans				4,000	30,000	$ 313,000
Payments to participants				191,000	205,000	202,000
Cash surrender value on bank owned life insurance				10,873,000	10,556,000
Cash value income				$ 164,000	181,000	136,000
Description of stock split				the Company declared a 100-for-1 stock split, increasing the number of issued and authorized shares from 171,800 to 17,180,000 and 250,000 to 25,000,000, respectively.
Stock split ratio		0.01
Deferred compensation				$ 5,301,000	6,710,000
Salaries, commissions and employee benefits				130,355,000	113,992,000	$ 84,214,000
Deferred Compensation Plans and Agreements
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Payments to participants				$ 5,163,000	1,601,000
Description of stock split				100-for-one stock split
Stock split ratio				100
Other liabilities				$ 2,346,000	$ 3,758,000
Accrued compensation reclassified to additional paid in capital				$ 5,388
Number of units remaining in equity based incentive plan for cash settlement | shares				67,470	180,447
Salaries, commissions and employee benefits				$ 3,685,000	$ 5,073,000
Deferred Compensation Plans and Agreements | Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
IPO price | $ / shares				$ 19.00
Deferred compensation			$ 3,000,000
Deferred compensation payment date			Dec. 31, 2019
Deferred stock units issued | shares				157,895
Deferred Compensation Plans and Agreements | Chief Executive Officer | Scenario, Forecast
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Deferred stock units conversion basis	1-for-1
Deferred Compensation Plans and Agreements | 2010 EBI Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation award vesting period				5 years
Employee retirement age under EBI plan				65 years
Valuation of unit by percentage of assets				7.50%
Share-based compensation terms of award, description				Pursuant to the terms of the 2010 EBI Plan, each EBI Unit vests ratably over five years, or earlier upon a change of control, death or disability or retirement after age 65. On or shortly following the vesting date, the holder of an EBI Unit will receive an amount in cash (or, if so elected by the participant following the IPO, in stock) equal to the fair market value of a share of common stock on the December 31 immediately preceding the payment date. Prior to the IPO, fair market value was determined by dividing 7.5% of the total assets of the Bank by the total number of outstanding common stock shares of the Company. Following the IPO, EBI Units are valued based upon the Company’s stock price. Units under this plan became fully vested January, 2017.
Deferred Compensation Plans and Agreements | Preferred EBI Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation terms of award, description				The Preferred EBI Plan has the same terms and conditions as those described above for the 2010 EBI Plan, with the exception of a seven year ratable vesting period. Units under this plan became fully vested January, 2017.
Deferred Compensation Plans and Agreements | 2012 EBI Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation award vesting period				3 years
Employee retirement age under EBI plan				65 years
Share-based compensation terms of award, description				Pursuant to the terms of the 2012 EBI Plan, each EBI Unit vests and becomes payable following the third anniversary of the date of grant, or earlier upon a change of control, death or disability or retirement after age 65. On or shortly following the vesting date, the holder of an EBI Unit will receive an amount in cash (or, if so elected by the participant following the IPO, in stock) equal to the fair market value of a share of common stock on the December 31 immediately preceding the payment date. Following the IPO, EBI Units are valued based upon the Company’s stock price. Prior to the IPO, fair market value of the Company was determined based upon the average of the sum of (a) 15 times the Company’s after-tax earnings, based on a default tax rate imposed by the Code, and (b) 1.5 times the Company’s tangible book value, defined as the consolidated equity of the Company less unrealized gains (losses) and less goodwill and intangible assets. Following the IPO, EBI Units outstanding under the 2012 EBI Plan were adjusted to prevent dilution of these EBI Units as a result of the IPO pursuant to the following conversion formula: (i) the number of EBI Units outstanding under the 2012 EBI Plan (as adjusted for the stock split), multiplied by (ii) 1.13 (determined by dividing $21.4085, the fair market value per EBI Unit as determined under the 2012 EBI Plan, by $19.00, the IPO price).
Fair market value per EBI | $ / shares				$ 21.4085
IPO price | $ / shares				$ 19.00

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Stock-Based Compensation - Summary of Vested and Unvested Restricted Stock Units Outstanding (Details) - Restricted Stock Units (RSUs) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Units Outstanding, Balance, beginning of period	1,200,840
Restricted Stock Units Outstanding, Conversion of deferred compensation plan		157,895
Restricted Stock Units Outstanding, Conversion of equity based incentive (EBI) plans		125,684
Restricted Stock Units Outstanding, Grants	123,169	1,077,066
Restricted Stock Units Outstanding, Released and distributed (vested)	(103,639)	(157,748)
Restricted Stock Units Outstanding, Forfeited/expired	(6,045)	(2,057)
Restricted Stock Units Outstanding, Balance, end of period	1,214,325	1,200,840
Weighted Average Grant Date Fair Value, Balance, beginning of period	$ 19.00
Weighted Average Grant Date Fair Value, Conversion of deferred compensation plan	19.00	$ 19.00
Weighted Average Grant Date Fair Value, Conversion of equity based incentive (EBI) plans	19.00	19.00
Weighted Average Grant Date Fair Value, Grants	35.15	19.00
Weighted Average Grant Date Fair Value, Released and distributed (vested)	21.25	19.00
Weighted Average Grant Date Fair Value, Forfeited/expired	19.00	19.00
Weighted Average Grant Date Fair Value, Balance, end of period	$ 19.97	$ 19.00

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Stock-Based Compensation - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation cost related to stock grants and vesting of restricted stock units	$ 6,760,000	$ 4,693,000
Expense related to cash settled EBI	1,213,000	337,000
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of restricted stock units vested and released	2,202,000	2,997,000
Compensation cost related to stock grants and vesting of restricted stock units	8,184,000	4,693,000
Restricted Stock Units (RSUs) | Director
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation cost related to stock grants and vesting of restricted stock units	551,000	0
Stock-Settled EBI Units and Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to nonvested stock-settled EBI units and restricted stock units	$ 12,950,000	$ 15,721,000
Expected weighted-average period to be recognized	2 years 9 months 18 days	3 years 7 months 28 days
EBI Units remaining in equity based incentive plans for employees, units	67,470	180,477
EBI Units remaining in equity based incentive plans for employees, value	$ 2,833,000	$ 4,683,000
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum number of shares issuable		200,000
Purchase price percentage of subsequent offering periods		95.00%
IPO price		$ 19.00
Maximum number of shares per participant		725
Maximum worth of award per participant		$ 25,000,000
Shares issued under plan	18,658	20,377
Number of shares reserved for issuance	2,460,965	2,479,623

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Related Party Transactions - Schedule of Loans Analysis to Executive Officers, Certain Management, Bank Directors and Their Affiliates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Related Party Transactions [Abstract]
Loans outstanding, Beginning balance	$ 27,370
New loans and advances	1,204
Change in related party status	(624)
Repayments	(6,938)
Loans outstanding, Ending balance	$ 21,012

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Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands			12 Months Ended
	Sep. 15, 2016	Aug. 15, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2006	Aug. 26, 1999	Feb. 12, 1996
Related Party Transaction [Line Items]
Unfunded commitments			$ 2	$ 1
Deposits from related parties			110,465	150,373
Aviation Time Sharing Agreement
Related Party Transaction [Line Items]
Payments to related party			176	313
Initial Public Offering
Related Party Transaction [Line Items]
Repayments of subordinated debt	$ 10,075	$ 10,075
Certain Executive Officers, Certain Management and Directors and Their Associates
Related Party Transaction [Line Items]
Unfunded commitments			4,672	6,838
Director
Related Party Transaction [Line Items]
Unamortized leasehold improvements			137		$ 158
Lease expense			504	522	503
Amount of investment held by the company			$ 200	1,145
Then-sole shareholder
Related Party Transaction [Line Items]
Paid for management consulting services					$ 306
Ownership percentage held by shareholder					100.00%
Subordinated debt						$ 6,000	$ 3,300	$ 775
Payment of interest				$ 230	$ 237

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Subsequent Event - Additional Information (Details)	Mar. 30, 2018
Subsequent Event
Subsequent Event [Line Items]
Subsequent event, evaluation date	Mar. 16, 2018