10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________________________________________________

FORM 10-Q

______________________________________________________________

(Mark One)

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

For the quarterly period ended March 31, 2019

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
(Address of principal executive offices)	(Zip Code)

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

____________________________________________________________

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 ý NO ☐

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted 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 such files). YES ý NO ☐

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	ý
Non-accelerated filer	¨	Small reporting company	¨
Emerging growth company	ý

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. ý

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

The number of shares of Registrant’s Common Stock outstanding as of May 6, 2019 was 30,860,397.

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of exchange on which registered
Common Stock, Par Value $1.00 Per Share	FBK	New York Stock Exchange

1

Table of Contents

		Page
PART I.	FINANCIAL INFORMATION
Item 1.	Consolidated Financial Statements	3
	Consolidated Balance Sheets as of March 31, 2019 (Unaudited) and December 31, 2018	3
	Consolidated Statements of Income (Loss)(Unaudited) for the three months ended March 31, 2019 and 2018	4
	Consolidated Statements of Comprehensive Income (Loss)(Unaudited) for the three months ended March 31, 2019 and 2018	5
	Consolidated Statements of Changes in Shareholders' Equity (Unaudited) for the three months ended March 31, 2019 and 2018	6
	Consolidated Statements of Cash Flows (Unaudited) for the three months ended March 31, 2019 and 2018	7
	Notes to Consolidated Financial Statements (Unaudited)	8
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	41
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	74
Item 4.	Controls and Procedures	76
PART II.	OTHER INFORMATION
Item1.	Legal Proceedings	76
Item 1A.	Risk Factors	76
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	77
Item 6.	Exhibits	77
Signatures		79

2

PART I—FINANCIAL INFORMATION

ITEM 1—CONSOLIDATED FINANCIAL STATEMENTS

FB Financial Corporation and subsidiaries

Consolidated balance sheets

(Amounts are in thousands except share amounts)

	March 31,		December 31,
	2019 (Unaudited)		2018
ASSETS
Cash and due from banks	$	60,253	$	38,381
Federal funds sold	6,600		31,364
Interest-bearing deposits in financial institutions	128,561		55,611
Cash and cash equivalents	195,414		125,356
Investments:
Available-for-sale debt securities, at fair value	667,654		655,698
Equity securities, at fair value	3,181		3,107
Federal Home Loan Bank stock, at cost	13,432		13,432
Loans held for sale, at fair value	248,054		278,815
Loans	3,786,791		3,667,511
Less: allowance for loan losses	29,814		28,932
Net loans	3,756,977		3,638,579
Premises and equipment, net	87,013		86,882
Other real estate owned, net	12,828		12,643
Operating lease right-of-use assets	32,694		—
Interest receivable	16,611		14,503
Mortgage servicing rights	64,031		88,829
Goodwill	137,190		137,190
Core deposit and other intangibles, net	10,439		11,628
Other assets	89,638		70,102
Total assets	$	5,335,156	$	5,136,764
LIABILITIES
Deposits
Noninterest-bearing	$	964,745	$	949,135
Interest-bearing checking	937,323		863,706
Money market and savings	1,257,863		1,239,131
Customer time deposits	1,073,819		1,016,638
Brokered and internet time deposits	69,441		103,107
Total deposits	4,303,191		4,171,717
Borrowings	229,178		227,776
Operating lease liabilities	35,093		—
Accrued expenses and other liabilities	73,117		65,414
Total liabilities	4,640,579		4,464,907
SHAREHOLDERS' EQUITY
Common stock, $1 par value per share; 75,000,000 shares authorized; 30,852,665 and 30,724,532 shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	30,853		30,725
Additional paid-in capital	423,647		424,146
Retained earnings	236,947		221,213
Accumulated other comprehensive income (loss), net	3,130		(4,227		)
Total shareholders' equity	694,577		671,857
Total liabilities and shareholders' equity	$	5,335,156	$	5,136,764

See accompanying notes to consolidated financial statements (unaudited).

3

FB Financial Corporation and subsidiaries

Consolidated statements of income

(Unaudited)

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

	Three Months Ended March 31,
	2019			2018
Interest income:
Interest and fees on loans	$	60,448		$	50,693
Interest on securities
Taxable	3,569			2,852
Tax-exempt	1,144			925
Other	772			378
Total interest income	65,933			54,848
Interest expense:
Deposits	11,855			5,071
Borrowings	1,062			1,348
Total interest expense	12,917			6,419
Net interest income	53,016			48,429
Provision for loan losses	1,391			317
Net interest income after provision for loan losses	51,625			48,112
Noninterest income:
Mortgage banking income	21,021			26,471
Service charges on deposit accounts	2,079			1,959
ATM and interchange fees	2,656			2,361
Investment services and trust income	1,295			1,206
Gain (loss) from securities, net	43			(47		)
Loss on sales or write-downs of other real estate owned	(39		)	(186		)
Gain from other assets	191			68
Other income	1,793			1,443
Total noninterest income	29,039			33,275
Noninterest expenses:
Salaries, commissions and employee benefits	33,697			34,027
Occupancy and equipment expense	3,730			3,424
Legal and professional fees	1,725			2,043
Data processing	2,384			2,035
Merger costs	621			1,193
Amortization of core deposit and other intangibles	729			853
Regulatory fees and deposit insurance assessments	592			562
Software license and maintenance fees	472			657
Advertising	2,737			3,282
Other expense	8,414			8,075
Total noninterest expense	55,101			56,151
Income before income taxes	25,563			25,236
Income tax expense (Note 8)	5,975			5,482
Net income	$	19,588		$	19,754
Earnings per common share
Basic	$	0.63		$	0.65
Fully diluted	0.62			0.63

See accompanying notes to consolidated financial statements (unaudited).

4

FB Financial Corporation and subsidiaries

Consolidated statements of comprehensive income  

(Unaudited)

(Amounts are in thousands)

	Three Months Ended March 31,
	2019			2018
Net income	$	19,588		$	19,754
Other comprehensive income (loss), net of tax:
Net change in unrealized (loss) gain in available-for-sale securities, net of taxes of $2,752 and $2,570	7,778			(7,039		)
Reclassification adjustment for loss on sale of securities included in net income, net of taxes of $2 and $2	4			7
Net change in unrealized gain in hedging activities, net of taxes of $116 and $446	(331		)	1,271
Reclassification adjustment for gain on hedging activities, net of taxes of $33 and $1	(94		)	3
Total other comprehensive income (loss), net of tax	7,357			(5,758		)
Comprehensive income	$	26,945		$	13,996

See accompanying notes to consolidated financial statements (unaudited).

5

FB Financial Corporation and subsidiaries

Consolidated statements of changes in shareholders’ equity

(Unaudited)

(Amounts are in thousands except per share amounts)

	Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive income, net			Total shareholders' equity
Balance at December 31, 2017	$	30,536	$	418,596		$	147,449		$	148		$	596,729
Initial adoption of ASU 2016-01	—		—			(109		)	109			—
Net income	—		—			19,754			—			19,754
Other comprehensive loss, net of taxes	—		—			—			(5,758		)	(5,758		)
Stock based compensation expense	4		1,954			—			—			1,958
Restricted stock units vested and distributed, net of shares withheld	115		(2,392		)	—			—			(2,277		)
Shares issued under employee stock purchase program	17		652			—			—			669
Balance at March 31, 2018	$	30,672	$	418,810		$	167,094		$	(5,501	)	$	611,075
Balance at December 31, 2018	$	30,725	$	424,146		$	221,213		$	(4,227	)	$	671,857
Initial adoption of ASU 2016-02 (See note 1)	—		—			(1,309		)	—			(1,309		)
Net income	—		—			19,588			—			19,588
Other comprehensive income, net of taxes	—		—			—			7,357			7,357
Stock based compensation expense	3		1,635			—			—			1,638
Restricted stock units vested and distributed, net of shares withheld	114		(2,487		)	—			—			(2,373		)
Shares issued under employee stock purchase program	11		353			—			—			364
Dividends declared ($0.08 per share)	—		—			(2,545		)	—			(2,545		)
Balance at March 31, 2019	$	30,853	$	423,647		$	236,947		$	3,130		$	694,577

See accompanying notes to consolidated financial statements (unaudited).

6

FB Financial Corporation and subsidiaries

Consolidated statements of cash flows

(Unaudited)

(Amounts are in thousands)

	Three Months Ended March 31,
	2019			2018
Cash flows from operating activities:
Net income	$	19,588		$	19,754
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	1,172			1,106
Amortization of core deposit and other intangibles	729			853
Capitalization of mortgage servicing rights	(8,720		)	(13,510		)
Net change in fair value of mortgage servicing rights	4,358			(3,543		)
Stock-based compensation expense	1,638			1,958
Provision for loan losses	1,391			317
Provision for mortgage loan repurchases	59			186
Accretion of yield on purchased loans	(1,831		)	(1,687		)
Accretion of discounts and amortization of premiums on securities, net	614			697
(Gain) loss from securities, net	(43		)	47
Originations of loans held for sale	(932,125		)	(1,617,103		)
Repurchases of loans held for sale	(5,957		)	—
Proceeds from sale of loans held for sale	986,454			1,707,527
Gain on sale and change in fair value of loans held for sale	(18,151		)	(23,391		)
Net loss or write-downs of other real estate owned	39			186
Gain on other assets	(191		)	(68		)
Provision for deferred income taxes	(4,219		)	5,482
Changes in:
Other assets and interest receivable	(22,511		)	(4,759		)
Accrued expenses and other liabilities	10,133			(26,207		)
Net cash provided by operating activities	32,427			47,845
Cash flows from investing activities:
Activity in available-for-sale securities:
Sales	1,758			221
Maturities, prepayments and calls	20,814			16,503
Purchases	(24,196		)	(81,990		)
Net increase in loans	(118,358		)	(74,928		)
Proceeds from sale of mortgage servicing rights	29,160			—
Purchases of premises and equipment	(911		)	(704		)
Proceeds from the sale of premises and equipment	284			—
Proceeds from the sale of other real estate owned	716			1,432
Net cash used in investing activities	(90,733		)	(139,466		)
Cash flows from financing activities:
Net increase in demand deposits	107,959			83,076
Net increase in time deposits	23,515			18,680
Net increase (decrease) in borrowings	1,402			(54,578		)
Share based compensation witholding obligation	(2,373		)	(2,277		)
Net proceeds from sale of common stock	364			669
Dividends paid	(2,503		)	—
Net cash provided by financing activities	128,364			45,570
Net change in cash and cash equivalents	70,058			(46,051		)
Cash and cash equivalents at beginning of the period	125,356			119,751
Cash and cash equivalents at end of the period	$	195,414		$	73,700
Supplemental cash flow information:
Interest paid	$	10,820		$	6,066
Taxes paid	77			31
Supplemental noncash disclosures:
Transfers from loans to other real estate owned	$	1,106		$	630
Transfers from other real estate owned to loans	166			120
Transfers from loans held for sale to loans	540			1,599
Derecognition of rebooked GNMA delinquent loans	—			43,035
Trade date payable - securities	2,524			3,912
Dividends declared not paid on restricted stock units	84			—
Adjustment to retained earnings for adoption of new accounting standards (See Note 1)	(1,309		)	(109		)
Right-of-use assets obtained in exchange for new operating lease liabilities	33,819			—

See accompanying notes to consolidated financial statements (unaudited).

7

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Note (1)—Basis of presentation:

(Amounts are in thousands)

Overview and presentation

FB Financial Corporation (the “Company”) is a bank holding company headquartered in Nashville, Tennessee. The Company operates through its wholly-owned subsidiary, FirstBank (the "Bank"), with 56 full-service branches throughout Tennessee, north Alabama, and north Georgia, and a national mortgage business with office locations across the Southeast, which primarily originates loans to be sold in the secondary market.

The unaudited consolidated financial statements, including the notes thereto of the Company, have been prepared in accordance with United States generally accepted accounting principles (“GAAP”) interim reporting requirements and general banking industry guidelines, and therefore, do not include all information and notes included in the annual consolidated financial statements in conformity with GAAP. These interim consolidated financial statements and notes thereto should be read in conjunction with the Company’s audited consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K.

The unaudited consolidated financial statements include all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the results for the interim periods. The results for interim periods are not necessarily indicative of results for a full year.

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 periods then ended. Actual results could differ significantly from those estimates.

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.

Prior to May 31, 2018, the Company was considered a "controlled company" and was controlled by the Company's Executive Chairman and former majority shareholder, James W. Ayers. During the second quarter of 2018, the Company completed a secondary offering of 3,680,000 shares of common stock pursuant to the Company's effective registration statement on Form S-3 whereby James W. Ayers was the seller. As a result of this transaction, the Company ceased to qualify as a "controlled company" as the selling shareholder's ownership was reduced below 50% of the voting power of the Company's issued and outstanding shares of common stock. The Company continues to qualify as an emerging growth company as defined by the "Jumpstart Our Business Startups Act" ("JOBS Act").

Subsequent events

The Company has evaluated, for consideration of recognition or disclosure, subsequent events that occurred through the date of issuance of these financial statements. The Company has determined that there were no other subsequent events other than described below that occurred after March 31, 2019, but prior to the issuance of these financial statements that would have a material impact on the Company’s consolidated financial statements.

On April 5, 2019, the Bank completed its previously-announced branch acquisition to purchase 11 Tennessee and three Georgia branch locations (the "Branches") from Atlantic Capital Bank, N.A., a national banking association and a wholly owned subsidiary of Atlantic Capital Bancshares, Inc., a Georgia corporation (collectively, "Atlantic Capital"), further increasing market share in existing markets and expanding the Company's footprint into new locations. See Note 2, "Mergers and acquisitions" in the notes to the consolidated financial statements for further details regarding the terms and conditions of this acquisition.

On April 18, 2019, the Company declared a regular quarterly dividend of $0.08 per share to be paid on May 16, 2019 to shareholders of record as of May 1, 2019, totaling approximately $2,557.

Earnings per share

Basic earnings per common share ("EPS") excludes dilution and is computed by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding during the period. Diluted EPS includes the dilutive effect of additional potential common shares issuable under the restricted stock units granted but not yet vested and distributable. Diluted EPS is computed by dividing earnings attributable to common shareholders by the weighted average

8

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

number of common shares outstanding for the period, plus an incremental number of common-equivalent shares computed using the treasury stock method.

Unvested share-based payment awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered to participate with common shareholders in undistributed earnings for purposes of computing EPS. Companies that have such participating securities, including the Company, are required to calculate basic and diluted EPS using the two-class method. Certain restricted stock awards granted by the Company include non-forfeitable dividend equivalents and are considered participating securities. Calculations of EPS under the two-class method (i) exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities and (ii) exclude from the denominator the dilutive impact of the participating securities.

The following is a summary of the basic and diluted earnings per common share calculation for each of the periods presented:

	Three Months Ended March 31,
	2019			2018
Basic earnings per common share calculation:
Net income	$	19,588		$	19,754
Dividends paid on and undistributed earnings allocated to participating securities	(105		)	—
Earnings attributable to common shareholders	$	19,483		$	19,754
Weighted-average basic shares outstanding	30,786,684			30,613,284
Basic earnings per common share	$	0.63		$	0.65
Diluted earnings per common share:
Earnings attributable to common shareholders	19,483			19,754
Weighted-average basic shares outstanding	30,786,684			30,613,284
Weighted-average diluted shares contingently issuable	562,514			808,546
Weighted-average diluted shares outstanding	31,349,198			31,421,830
Diluted earnings per common share	$	0.62		$	0.63

Recently adopted accounting policies:

Except as set forth below, the Company did not adopt any new accounting policies that were not disclosed in the Company's 2018 audited consolidated financial statements included on Form 10-K.

Leases

The Company leases certain banking, mortgage and operations locations. Effective January 1, 2019, the Company records leases on the balance sheet in the form of a lease liability for the present value of future minimum payments under the lease terms and a right-of-use asset equal to the lease liability adjusted for items such as deferred or prepaid rent, incentive liabilities, leasehold intangibles and any impairment of the right-of-use asset. In determining whether a contract contains a lease, management conducts an analysis at lease inception to ensure an asset was specifically identified and the Company has control of use of the asset. For contracts determined to be leases entered into after January 1, 2019, the Company performs additional analysis to determine whether the lease should be classified as a finance or operating lease. The Company considers a lease to be a finance lease if future minimum lease payments amount to greater than 90% of the asset's fair value or if the lease term is equal to or greater than 75% of the asset's estimated economic useful life. As of March 31, 2019, the Company did not have any leases that were determined to be finance leases. The Company does not record leases on the consolidated balance sheets that are classified as short term (less than one year). Additionally, the Company has not recorded equipment leases or leases in which the Company is the lessor on the consolidated balance sheets as these are not material to the Company.

At lease inception, the Company determines the lease term by adding together the minimum lease term and all optional renewal periods that it is reasonably certain to renew. This determination is at management's full discretion and is made through consideration of the asset, market conditions, competition and entity based economic conditions, among other factors. The lease term is used in the economic life test and also to calculate straight-line rent expense. The depreciable life of leasehold improvements is limited by the estimated lease term, including renewals.

Operating leases are expensed on a straight-line basis over the life of the lease beginning when the lease commences. Rent expense and variable lease expense are included in Occupancy and equipment expense on the Company's Consolidated

9

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

statements of income. The Company's variable lease expense include rent escalators that are based on the Consumer Price Index or market conditions and include items such as common area maintenance, utilities, parking, property taxes, insurance and other costs associated with the lease. There are no residual value guarantees or restrictions or covenants imposed by leases that will impact the Company's ability to pay dividends or cause the Company to incur additional expenses. The Company accounts for lease and non-lease components as a single lease component by class of underlying asset. The discount rate used in determining the lease liability is based upon borrowing rates for what would be obtained by the Company for similar loans as an incremental rate as of the date of commencement or renewal.

Recently adopted accounting principles:

Except as set forth below, the Company did not adopt any new accounting principles that were not disclosed in the Company's 2018 audited consolidated financial statements included on Form 10-K.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The update requires 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 became effective for the Company on January 1, 2019.

In July 2018, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases” and 2018-11, “Leases (Topic 842): Targeted Improvements”. ASU No. 2018-10 provides improvements related to ASU No. 2016-02 to provide corrections or improvements to a number of areas within FASB ASC Topic 842 and provides additional and optional transition method to adopt the new lease standard. ASU No. 2018-11 allows entities to initially apply the new lease standard at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. ASU 2018-11 also allows lessors to not separate non-lease components from the associated lease component if certain conditions are met. The amendments in these updates became effective for the Company on January 1, 2019.

FB Financial Corporation elected the optional transition method permitted by ASU 2018-11. Under this method, an entity shall recognize and measure leases that exist at the application date and prior comparative periods are not adjusted. Additionally, the Company elected to adopt the practical expedients allowed under the updates and therefore did not reassess 1) whether any expired or existing contract contain leases, 2) the lease classification for any expired or existing leases, or 3) initial direct costs for any existing leases.

On January 1, 2019, the Company adopted these updates and recognized a right of use asset ("ROU") and lease liability of $32,545 and $34,876, respectively, and recorded a cumulative effect adjustment to retained earnings of $1,309, net of deferred taxes of $461, in addition to adjustments to leasehold improvements of $1,020 and a reclassification from a previously-recognized lease intangible asset for $459. The difference between the asset and liability amounts represents lease incentive liabilities, deferred rent and a lease intangible asset that was reclassified to the ROU asset upon adoption. This adoption did not have a significant impact on the Company's consolidated statements of income and did not have an impact on the Company's cash flows. Disclosures required by the update are presented in Note 6, "Leases" in the notes to the 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 were required to prospectively apply the amendments in this ASU to annual periods beginning after December 15, 2018, including interim periods. The adoption of this update did not have an impact on the Company's consolidated financial statements.

Newly issued not yet effective accounting standards:

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. The new model will require institutions to calculate all probable and estimable losses that are expected to be incurred through the financial asset's entire life through

10

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

a provision for credit losses, including loans obtained as a result of any acquisition not deemed to be purchased credit deteriorated (PCD). CECL also requires the allowance for credit losses for PCD loans to be determined in a manner similar to that of other financial assets measured at amortized cost; however, the initial allowance will be added to the purchase price rather than recorded as provision expense. The disclosure of credit quality indicators related to the amortized cost of financing receivables will be further disaggregated by year of origination (or vintage). Institutions are to apply the changes through a cumulative-effect adjustment to their retained earnings as of the beginning of the first reporting period in which the standard is effective.

ASU 2016-13 will become effective for interim and annual periods beginning after December 15, 2019.  Management has established a CECL implementation working group, which includes the appropriate members of management to evaluate the impact the adoption of this ASU will have on the Company's financial statements and disclosures and determine the most appropriate method of implementing the amendments in this ASU. The working group has selected a software vendor and is working on identifying data needs for modeling inputs and identifying appropriate modeling methodologies across our loan segments. During 2019, the Company is focused on model completion and finalizing assumptions with parallel processing of our existing allowance for loan losses model with the CECL model targeted for the second half of 2019, depending on how model completion and validation progresses. Management is also working to establish appropriate accounting policies to address new processes and controls under this update. The Company is currently evaluating the impact of this adoption on it’s financial statements and disclosures and currently expects to record a one-time adjustment to retained earnings to increase the allowance for loan losses, however the magnitude of this adjustment cannot currently be reasonably quantified. Management expects to disclose a range estimate of this impact on Form 10-Q for the quarterly period ended September 30, 2019.

In December 2018, the OCC, the Board of Governors of the Federal Reserve System, and the FDIC approved a final rule to address changes to credit loss accounting under GAAP, including banking organizations’ implementation of CECL. The final rule provides banking organizations the option to phase in over a three-year period the day-one adverse effects on regulatory capital that may result from the adoption of the new accounting standard.

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 2017-04 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. Management does not expect adoption of this standard to have any impact on the Company's consolidated financial statements or disclosures.

In June 2018, FASB issued ASU 2018-07, "Compensation-Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting", which expands the scope of topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. Consistent with the accounting for employee share-based payment awards, nonemployee share-based payment awards will be measured at grant-date fair value of the equity instruments obligated to be issued when the good has been delivered or the service rendered and any other conditions necessary to earn the right to benefit from the instruments have been satisfied. This ASU is effective for all entities for fiscal years beginnings after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. Early adoption is permitted. The Company does not expect adoption of this standard to have a significant impact on the consolidated financial statements or disclosures.

In August 2018, the FASB issued "Accounting Standards Update 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurements." This update is part of the disclosure framework project and eliminates certain disclosure requirements for fair value measurements, requires entities to disclose new information, and modifies existing disclosure requirements. The new disclosure guidance is effective for fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact this change will have on its consolidated financial statements and disclosures.

In March 2019, FASB issued ASU 2019-01, "Leases (Topic 842): Codification Improvements", which align the guidance for fair value of the underlying assets by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance.

11

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

As a result, the fair value of the underlying asset at lease commencement is its cost, reflecting any volume or trade discounts that may apply. However, if there has been a significant lapse of time between when the underlying asset is acquired and when the lease commences, the definition of fair value in Topic 820, Fair Value Measurement should be applied. ASU No. 2019-01 also requires lessors within the scope of Topic 942, "Financial Services—Depository and Lending", to present all “principal payments received under leases” within investing activities. The amendments in this update become effective for fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of this change on its consolidated financial statements and disclosures, but it is not expected to have a material impact.

Note (2)—Mergers and acquisitions:

Atlantic Capital Bank branch acquisition

Effective April 5, 2019, the Bank completed its previously-announced branch acquisition to purchase 11 Tennessee and three Georgia branch locations (the "Branches") from Atlantic Capital Bank, N.A., a national banking association and a wholly owned subsidiary of Atlantic Capital Bancshares, Inc., a Georgia corporation (collectively, “Atlantic Capital”). Upon consumation, the Branches were merged with and into FirstBank and consolidated for locations across the Bank. As such, the Atlantic Capital branch acquistion is being accounted for under ASC 805, "Business Combinations." Prior to the determination of purchase accounting adjustments, the Bank assumed approximately $598,000 in deposits, purchased approximately $385,000 in loans at 99.32% of principal outstanding, and paid a deposit premium of 6.25%. The Company is finalizing the fair value of acquired assets and liabilities assumed and as such, purchase accounting is not yet complete.

The Company incurred $621 in merger-related expenses during the three months ended March 31, 2019 in connection with this transaction.

Note (3)—Investment securities:

The amortized cost of securities and their fair values at March 31, 2019 and December 31, 2018 are shown below:

	March 31, 2019
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Investment Securities
Available-for-sale debt securities
U.S. government agency securities	$	1,000	$	—	$	(7	)	$	993
Mortgage-backed securities - residential	516,917		2,407		(7,608		)	511,716
Municipals, tax exempt	144,142		3,904		(406		)	147,640
Treasury securities	7,394		—		(89		)	7,305
Total	$	669,453	$	6,311	$	(8,110	)	$	667,654

	December 31, 2018
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Investment Securities
Available-for-sale debt securities
U.S. government agency securities	$	1,000	$	—	$	(11	)	$	989
Mortgage-backed securities - residential	520,654		1,191		(13,265		)	508,580
Municipals, tax exempt	138,994		1,565		(1,672		)	138,887
Treasury securities	7,385		—		(143		)	7,242
Total	$	668,033	$	2,756	$	(15,091	)	$	655,698

As of March 31, 2019 and December 31, 2018, the Company had $3,181 and $3,107 in marketable equity securities recorded at fair value, respectively.

Securities pledged at March 31, 2019 and December 31, 2018 had carrying amounts of $330,966 and $326,215, respectively, and were pledged to secure a Federal Reserve Bank line of credit, public deposits and repurchase agreements.

There were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of shareholders' equity during any period presented.

12

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Included in available-for-sale securities at March 31, 2019 and December 31, 2018 were $2,524 and $2,120, respectively, in trade date payables that were settled after period end.

The amortized cost and fair value of debt securities by contractual maturity at March 31, 2019 and December 31, 2018 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.

	March 31, 2019				December 31, 2018
	Available-for-sale				Available-for-sale
	Amortized cost		Fair value		Amortized cost		Fair value
Due in one year or less	$	11,682	$	11,772	$	15,883	$	16,028
Due in one to five years	13,498		13,506		13,806		13,740
Due in five to ten years	16,891		16,974		18,539		18,387
Due in over ten years	110,465		113,686		99,151		98,963
	152,536		155,938		147,379		147,118
Mortgage-backed securities - residential	516,917		511,716		520,654		508,580
Total debt securities	$	669,453	$	667,654	$	668,033	$	655,698

Sales of available-for-sale securities were as follows:

	Three Months Ended March 31,
	2019		2018
Proceeds from sales	$	1,758	$	221
Gross realized gains	1		—
Gross realized losses	7		9

Additionally, net gains of $49 and net losses of $38 were recognized due to changes in fair value of these securities during the three months ended March 31, 2019 and 2018, respectively.

The following tables show gross unrealized losses at March 31, 2019 and December 31, 2018, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	March 31, 2019
	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	$	—	$	—		$	993	$	(7	)	$	993	$	(7	)
Mortgage-backed securities - residential	4,913		(10		)	357,430		(7,598		)	362,343		(7,608		)
Municipals, tax exempt	—		—			21,580		(406		)	21,580		(406		)
Treasury securities	—		—			7,305		(89		)	7,305		(89		)
Total	$	4,913	$	(10	)	$	387,308	$	(8,100	)	$	392,221	$	(8,110	)

	December 31, 2018
	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	$	—	$	—		$	989	$	(11	)	$	989	$	(11	)
Mortgage-backed securities - residential	60,347		(478		)	335,769		(12,787		)	396,116		(13,265		)
Municipals, tax exempt	27,511		(366		)	25,343		(1,306		)	52,854		(1,672		)
Treasury securities	—		—			7,242		(143		)	7,242		(143		)
Total	$	87,858	$	(844	)	$	369,343	$	(14,247	)	$	457,201	$	(15,091	)

As of March 31, 2019 and December 31, 2018, the Company’s securities portfolio consisted of 353 and 360 securities, 116 and 174 of which were in an unrealized loss position, respectively.

13

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

The Company evaluates available-for-sale debt securities with unrealized losses for other-than-temporary impairment (OTTI) on a quarterly basis and recorded no OTTI for the three months ended March 31, 2019 and 2018. 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 basis, which may be maturity.

Note (4)—Loans and allowance for loan losses:

Loans outstanding at March 31, 2019 and December 31, 2018, by major lending classification are as follows:

	March 31,			December 31,
	2019			2018
Commercial and industrial	$	888,345		$	867,083
Construction	539,065			556,051
Residential real estate:
1-to-4 family mortgage	552,239			555,815
Residential line of credit	187,415			190,480
Multi-family mortgage	71,532			75,457
Commercial real estate:
Owner occupied	499,123			493,524
Non-owner occupied	816,880			700,248
Consumer and other	232,192			228,853
Gross loans	3,786,791			3,667,511
Less: Allowance for loan losses	(29,814		)	(28,932		)
Net loans	$	3,756,977		$	3,638,579

As of March 31, 2019 and December 31, 2018, $681,154 and $618,976, respectively, of qualifying residential mortgage loans (including loans held for sale) and $439,831 and $608,735, respectively, of qualifying commercial mortgage loans were pledged to the Federal Home Loan Bank of Cincinnati securing advances against the Bank’s line of credit. As of March 31, 2019 and December 31, 2018, $1,365,193 and $1,336,092, respectively, of qualifying loans were pledged to the Federal Reserve Bank under the Borrower-in-Custody program.

As of March 31, 2019 and December 31, 2018, 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 $62,564 and $68,999, respectively. The following table presents changes in the value of the accretable yield for PCI loans for the periods indicated.

	Three Months Ended March 31,
	2019			2018
Balance at the beginning of period	$	(16,587	)	$	(17,682	)
Principal reductions and other reclassifications from nonaccretable difference	220			(1,294		)
Accretion	2,183			2,201
Changes in expected cash flows	(630		)	(180		)
Balance at end of period	$	(14,814	)	$	(16,955	)

Included in the ending balance of the accretable yield on PCI loans at March 31, 2019 and December 31, 2018, is a purchase accounting liquidity discount of $2,093 and $2,436, respectively. There is also a purchase accounting nonaccretable credit discount of $3,480 and $4,355 related to the PCI loan portfolio at March 31, 2019 and December 31, 2018, respectively and an accretable credit and liquidity discount on non-PCI loans of $7,025 and $7,527 and $1,907 and $2,197, respectively.

Interest revenue, through accretion of the difference between the recorded investment of the loans and the expected cash flows, is being recognized on all PCI loans. Accretion of interest income amounting to $2,183 and $2,201 was recognized on purchased credit impaired loans during the three months ended March 31, 2019 and 2018, respectively. This includes both the contractual interest income recognized 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

14

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

excluding contractual interest collected for all purchased loans was $1,831 and $1,687 for the three months ended March 31, 2019 and 2018, respectively.

The following provides the allowance for loan losses by portfolio segment and the related investment in loans net of unearned interest for the three months ended March 31, 2019 and 2018:

	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
Three Months Ended March 31, 2019
Beginning balance - December 31, 2018	$	5,348		$	9,729	$	3,428		$	811		$	566		$	3,132		$	4,149	$	1,769		$	28,932
Provision for loan losses	333			28		(65		)	(73		)	(27		)	(121		)	434		882			1,391
Recoveries of loans previously charged-off	12			1		13			25			—			87			—		224			362
Loans charged off	(179		)	—		(81		)	(32		)	—			—			—		(579		)	(871		)
Ending balance - March 31, 2019	$	5,514		$	9,758	$	3,295		$	731		$	539		$	3,098		$	4,583	$	2,296		$	29,814

	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
Three Months Ended March 31, 2018
Beginning balance - December 31, 2017	$	4,461		$	7,135	$	3,197		$	944		$	434	$	3,558		$	2,817		$	1,495		$	24,041
Provision for loan losses	202			479		(30		)	214			15		(567		)	(115		)	119			317
Recoveries of loans previously charged-off	135			252		15			27			—		23			51			206			709
Loans charged off	(220		)	—		(60		)	(20		)	—		—			—			(361		)	(661		)
Ending balance - March 31, 2018	$	4,578		$	7,866	$	3,122		$	1,165		$	449	$	3,014		$	2,753		$	1,459		$	24,406

The following tables provides the allocation of the allowance for loan losses by loan category broken out between loans individually evaluated for impairment, loans collectively evaluated for impairment and loans acquired with deteriorated credit quality as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	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	$	709	$	—	$	136	$	—	$	—	$	42	$	299	$	—	$	1,186
Collectively evaluated for impairment	4,697		9,711		3,027		731		539		3,039		4,068		1,551		27,363
Acquired with deteriorated credit quality	108		47		132		—		—		17		216		745		1,265
Ending balance - March 31, 2019	$	5,514	$	9,758	$	3,295	$	731	$	539	$	3,098	$	4,583	$	2,296	$	29,814

15

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

	December 31, 2018
	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	$	3	$	—	$	7	$	—	$	—	$	53	$	205	$	—	$	268
Collectively evaluated for impairment	5,247		9,677		3,205		811		566		3,066		3,628		1,583		27,783
Acquired with deteriorated credit quality	98		52		216		—		—		13		316		186		881
Ending balance - December 31, 2018	$	5,348	$	9,729	$	3,428	$	811	$	566	$	3,132	$	4,149	$	1,769	$	28,932

The following tables provides the amount of loans by loan category broken between loans individually evaluated for impairment, loans collectively evaluated for impairment and loans acquired with deteriorated credit quality as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	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	$	4,045	$	1,220	$	874	$	605	$	—	$	2,054	$	6,699	$	71	$	15,568
Collectively evaluated for impairment	882,989		533,238		533,293		186,810		71,532		491,093		796,644		213,060		3,708,659
Acquired with deteriorated credit quality	1,311		4,607		18,072		—		—		5,976		13,537		19,061		62,564
Ending balance - March 31, 2019	$	888,345	$	539,065	$	552,239	$	187,415	$	71,532	$	499,123	$	816,880	$	232,192	$	3,786,791

	December 31, 2018
	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	$	1,847	$	1,221	$	987	$	245	$	—	$	2,608	$	6,735	$	73	$	13,716
Collectively evaluated for impairment	863,788		549,075		535,451		190,235		75,457		484,900		677,247		208,643		3,584,796
Acquired with deteriorated credit quality	1,448		5,755		19,377		—		—		6,016		16,266		20,137		68,999
Ending balance - December 31, 2018	$	867,083	$	556,051	$	555,815	$	190,480	$	75,457	$	493,524	$	700,248	$	228,853	$	3,667,511

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.

16

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Substandard.    Loans rated as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if 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 tables show credit quality indicators by portfolio class at March 31, 2019 and December 31, 2018:

March 31, 2019	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	830,017	$	49,599	$	7,418	$	887,034
Construction	528,421		4,717		1,320		534,458
Residential real estate:
1-to-4 family mortgage	519,688		6,046		8,433		534,167
Residential line of credit	183,448		1,337		2,630		187,415
Multi-family mortgage	71,460		72		—		71,532
Commercial real estate:
Owner occupied	463,724		15,857		13,566		493,147
Non-owner occupied	785,933		10,301		7,109		803,343
Consumer and other	208,442		2,982		1,707		213,131
Total loans, excluding purchased credit impaired loans	$	3,591,133	$	90,911	$	42,183	$	3,724,227
Purchased credit impaired loans
Commercial and industrial	$	—	$	828	$	483	$	1,311
Construction	—		3,719		888		4,607
Residential real estate:
1-to-4 family mortgage	—		13,644		4,428		18,072
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,080		1,896		5,976
Non-owner occupied	—		5,608		7,929		13,537
Consumer and other	—		16,122		2,939		19,061
Total purchased credit impaired loans	$	—	$	44,001	$	18,563	$	62,564
Total loans	$	3,591,133	$	134,912	$	60,746	$	3,786,791

17

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

December 31, 2018	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	804,447	$	52,624	$	8,564	$	865,635
Construction	543,953		5,012		1,331		550,296
Residential real estate:
1-to-4 family mortgage	519,541		8,697		8,200		536,438
Residential line of credit	186,753		1,039		2,688		190,480
Multi-family mortgage	75,381		76		—		75,457
Commercial real estate:
Owner occupied	456,694		16,765		14,049		487,508
Non-owner occupied	667,447		8,881		7,654		683,982
Consumer and other	204,279		2,763		1,674		208,716
Total loans, excluding purchased credit impaired loans	$	3,458,495	$	95,857	$	44,160	$	3,598,512
Purchased credit impaired loans
Commercial and industrial	$	—	$	964	$	484	$	1,448
Construction	—		3,229		2,526		5,755
Residential real estate:
1-to-4 family mortgage	—		14,681		4,696		19,377
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,110		1,906		6,016
Non-owner occupied	—		8,266		8,000		16,266
Consumer and other	—		15,422		4,715		20,137
Total purchased credit impaired loans	$	—	$	46,672	$	22,327	$	68,999
Total loans	$	3,458,495	$	142,529	$	66,487	$	3,667,511

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 March 31, 2019 or December 31, 2018 as the carrying value of the respective loan or pool of loans cash flows were considered estimable and probable of collection.

18

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

The following tables provide 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 March 31, 2019 and December 31, 2018:

March 31, 2019	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	$	2,998	$	37	$	342	$	883,657	$	1,311	$	888,345
Construction	1,014		—		275		533,169		4,607		539,065
Residential real estate:
1-to-4 family mortgage	1,470		648		3,107		528,942		18,072		552,239
Residential line of credit	730		487		973		185,225		—		187,415
Multi-family mortgage	—		—		—		71,532		—		71,532
Commercial real estate:
Owner occupied	162		117		1,671		491,197		5,976		499,123
Non-owner occupied	795		57		6,973		795,518		13,537		816,880
Consumer and other	1,875		539		380		210,337		19,061		232,192
Total	$	9,044	$	1,885	$	13,721	$	3,699,577	$	62,564	$	3,786,791

December 31, 2018	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	$	999	$	65	$	438	$	864,133	$	1,448	$	867,083
Construction	109		—		283		549,904		5,755		556,051
Residential real estate:
1-to-4 family mortgage	4,919		737		2,704		528,078		19,377		555,815
Residential line of credit	726		957		804		187,993		—		190,480
Multi-family mortgage	—		—		—		75,457		—		75,457
Commercial real estate:
Owner occupied	407		197		2,423		484,481		6,016		493,524
Non-owner occupied	61		77		6,885		676,959		16,266		700,248
Consumer and other	1,987		1,008		148		205,573		20,137		228,853
Total	$	9,208	$	3,041	$	13,685	$	3,572,578	$	68,999	$	3,667,511

19

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Impaired loans recognized in conformity with ASC 310 at March 31, 2019 and December 31, 2018, segregated by class,

were as follows:

March 31, 2019	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	3,186	$	3,186	$	709
Construction	—		—		—
Residential real estate:
1-to-4 family mortgage	405		405		136
Residential line of credit	—		—		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	189		218		42
Non-owner occupied	5,650		5,650		299
Consumer and other	—		—		—
Total	$	9,430	$	9,459	$	1,186
With no related allowance recorded
Commercial and industrial	$	859	$	1,022	$	—
Construction	1,220		1,264		—
Residential real estate:
1-to-4 family mortgage	469		779		—
Residential line of credit	605		613		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	1,865		2,619		—
Non-owner occupied	1,049		1,781		—
Consumer and other	71		71		—
Total	$	6,138	$	8,149	$	—
Total impaired loans	$	15,568	$	17,608	$	1,186

20

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

December 31, 2018	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	618	$	732	$	3
Construction	—		—		—
Residential real estate:
1-to-4 family mortgage	145		145		7
Residential line of credit	—		—		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	560		641		53
Non-owner occupied	5,686		5,686		205
Consumer and other	—		—		—
Total	$	7,009	$	7,204	$	268
With no related allowance recorded:
Commercial and industrial	$	1,229	$	1,281	$	—
Construction	1,221		1,262		—
Residential real estate:
1-to-4 family mortgage	842		1,151		—
Residential line of credit	245		249		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	2,048		2,780		—
Non-owner occupied	1,049		1,781		—
Consumer and other	73		73		—
Total	$	6,707	$	8,577	$	—
Total impaired loans	$	13,716	$	15,781	$	268

21

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Average recorded investment and interest income on a cash basis recognized during the three months ended March 31, 2019 and 2018 on impaired loans, segregated by class, were as follows:

Three months ended March 31, 2019	Average recorded investment		Interest income recognized (cash basis)
With a related allowance recorded:
Commercial and industrial	$	1,902	$	38
Construction	—		—
Residential real estate:
1-to-4 family mortgage	275		2
Residential line of credit	—		—
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	375		2
Non-owner occupied	5,668		—
Consumer and other	—		—
Total	$	8,220	$	42
With no related allowance recorded:
Commercial and industrial	$	1,044	$	14
Construction	1,221		48
Residential real estate:
1-to-4 family mortgage	656		8
Residential line of credit	425		2
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	1,957		28
Non-owner occupied	1,049		—
Consumer and other	72		2
Total	$	6,424	$	102
Total impaired loans	$	14,644	$	144
Three months ended March 31, 2018
With a related allowance recorded:
Commercial and industrial	$	53	$	1
Construction	—		—
Residential real estate:
1-to-4 family mortgage	193		2
Residential line of credit	—		—
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	715		6
Non-owner occupied	143		2
Consumer and other	—		—
Total	$	1,104	$	11
With no related allowance recorded:
Commercial and industrial	$	1,430	$	16
Construction	1,287		30
Residential real estate:
1-to-4 family mortgage	1,185		13
Residential line of credit	—		—
Multi-family mortgage	971		12
Commercial real estate:
Owner occupied	1,621		32
Non-owner occupied	1,574		7
Consumer and other	27		—
Total	$	8,095	$	110
Total impaired loans	$	9,199	$	121

22

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

As of March 31, 2019 and December 31, 2018, the Company has a recorded investment in troubled debt restructurings of $8,953 and $6,794, 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 $63 of specific reserves for those loans at March 31, 2019 and December 31, 2018 and had not committed to lend any additional amounts to these customers for either period end. Of these loans, $2,568 and $2,703 were classified as non-accrual loans as of March 31, 2019 and December 31, 2018, respectively.

The following tables present the financial effect of TDRs recorded during the periods indicated:

Three Months Ended March 31, 2019	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	2	$	3,188	$	3,188	$	—
Total	2	$	3,188	$	3,188	$	—

Three Months Ended March 31, 2018	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Residential real estate:
1-4 family mortgage	1	$	249	$	249	—
Consumer and other	1	5		5		—
Total	2	$	254	$	254	$	—

There were no loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the three months ended March 31, 2019 and2018. 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 three months ended March 31, 2019 and 2018 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.

Note (5)—Other real estate owned:

The amount reported as other real estate owned includes property acquired through foreclosure in addition to excess facilities held for sale and is carried at fair value less estimated cost to sell the property. The following table summarizes the other real estate owned for the three months ended March 31, 2019 and 2018:

	Three Months Ended
	March 31,
	2019			2018
Balance at beginning of period	$	12,643		$	16,442
Transfers from loans	1,106			630
Properties sold	(716		)	(1,432		)
Loss on sale of other real estate owned	(7		)	(43		)
Transferred to loans	(166		)	(120		)
Write-downs and partial liquidations	(32		)	(143		)
Balance at end of period	$	12,828		$	15,334

23

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Foreclosed residential real estate properties included in the table above totaled $2,435 and $2,101 as of March 31, 2019 and December 31, 2018, respectively. The recorded investment in residential mortgage loans secured by residential real estate properties for which foreclosure proceedings are in process totaled $164 and $478 at March 31, 2019 and December 31, 2018, respectively.

Excess land and facilities held for sale resulting from branch consolidations from previous acquisitions totaled $5,381 as of March 31, 2019 and December 31, 2018.

Note (6)—Leases:

On January 1, 2019, the Company adopted ASU 2016-02 "Leases" (Topic 842) and all subsequent updates that modified topic 842. For the Company, the adoption primarily affected the accounting treatment for operating lease agreements in which the Company is the lessee.

Substantially all the leases for which the Company is the lessee are comprised of real estate for branches, mortgage, and operations locations. As of March 31, 2019, the Company had 39 operating leases with terms greater than one year to 37 years. Leases with initial terms of less than one year are not recorded on the balance sheet. The Company elected not to include equipment leases and leases in which the Company is the lessor on the consolidated balance sheets as these are not material.

Most leases include one or more options to renew, with renewal terms that can extend the lease up to an additional 20 years or more. Certain lease agreements contain provisions to periodically adjust rental payments for inflation. Renewal options that management is reasonably certain to renew are included in the ROU asset and lease liability.

Information related to the Company's operating leases is presented below:

	March 31,
	2019
Right-of-use assets	$	32,694
Lease liabilities	35,093
Weighted average remaining lease term (in years)	15.65
Weighted average discount rate	3.48		%

The components of lease expense included in Occupancy and equipment expense were as follows:

	Three Months Ended
	March 31,
	2019
Operating lease cost	$	1,112
Short-term lease cost	224
Variable lease cost	100
Total lease cost	$	1,436

As the Company elected, for all classes of underlying assets, not to separate lease and non-lease components and instead to account for them as a single lease component, the variable lease cost primarily represents variable payments such as common area maintenance, utilities, and property taxes.

Lease expense for the three months ended March 31, 2018, prior to the adoption of ASU 2016-02, was $1,229.

24

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

A maturity analysis of operating lease liabilities and a reconciliation of undiscounted cash flows to the total operating lease liability is as follows:

	March 31,
	2019
Lease payments due on or before:
March 31, 2020	$	4,670
March 31, 2021	4,604
March 31, 2022	4,308
March 31, 2023	3,332
March 31, 2024	3,176
Thereafter	27,065
Total undiscounted cash flows	47,155
Discount on cash flows	(12,062		)
Total lease liability	$	35,093

Note (7)—Mortgage servicing rights:

Changes in the Company’s mortgage servicing rights were as follows for three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
Carrying value at beginning of period	$	88,829		$	76,107
Capitalization	8,720			13,510
Sales	(29,160		)	—
Change in fair value:
Due to pay-offs/pay-downs	(1,795		)	(3,060		)
Due to change in valuation inputs or assumptions	(2,563		)	6,603
Carrying value at period end	$	64,031		$	93,160

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 three months ended March 31, 2019 and 2018, respectively:

	Three Months Ended March 31,
	2019			2018
Servicing income:
Servicing income	$	4,751		$	4,793
Change in fair value of mortgage servicing rights	(4,358		)	3,543
Change in fair value of derivative hedging instruments	2,477			(5,256		)
Servicing income	2,870			3,080
Servicing expenses	1,744			1,795
Net servicing income	$	1,126		$	1,285

25

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Data and key economic assumptions related to the Company’s mortgage servicing rights as of March 31, 2019 and December 31, 2018 are as follows:

	March 31,			December 31,
	2019			2018
Unpaid principal balance	$	5,221,109		$	6,755,114
Weighted-average prepayment speed (CPR)	9.83		%	8.58		%
Estimated impact on fair value of a 10% increase	$	(2,493	)	$	(2,072	)
Estimated impact on fair value of a 20% increase	$	(4,813	)	$	(4,006	)
Discount rate	8.99		%	10.45		%
Estimated impact on fair value of a 100 bp increase	$	(2,701	)	$	(2,505	)
Estimated impact on fair value of a 200 bp increase	$	(5,181	)	$	(4,807	)
Weighted-average coupon interest rate	4.42		%	4.21		%
Weighted-average servicing fee (basis points)	29			30
Weighted-average remaining maturity (in months)	319			325

The Company hedges the mortgage servicing rights portfolio with various derivative instruments to offset changes in the fair value of the related mortgage servicing rights. See Note 10, "Derivatives" for additional information on these hedging instruments.

From time to time, the Company enters agreements to sell certain tranches of mortgage servicing rights. Upon consummation of the sale, occasionally the Company continues to subservice the underlying mortgage loans until they can be transferred to the purchaser. During the three months ended March 31, 2019, the Company sold $29,160 of mortgage servicing rights on $2,034,374of serviced mortgage loans. There was not a material gain or loss recognized in connection with this sale. As of March 31, 2019, there were $2,015,273 of mortgage loans being serviced related to this transaction. There were no sales of mortgage servicing rights during the three months ended March 31, 2018. As of March 31, 2019 and December 31, 2018, mortgage escrow deposits totaled to $70,121 and $53,468, respectively.

Note (8)—Income taxes:

An allocation of federal and state income taxes between current and deferred portions is presented below:

	For the three months ended March 31,
	2019			2018
Current	$	10,194		$	—
Deferred	(4,219		)	5,482
Total	$	5,975		$	5,482

Federal income tax expense differs from the statutory federal rate of 21% for the three months ended March 31, 2019 and 2018 due to the following:

	For the three months ended March 31,
	2019					2018
Federal taxes calculated at statutory rate	$	5,368		21.0	%	$	5,300		21.0	%
Increase (decrease) resulting from:
State taxes, net of federal benefit	1,138			4.5	%	1,143			4.5	%
Benefit of equity based compensation	(392		)	(1.5	)%	(736		)	(3.0	)%
Municipal interest income, net of interest disallowance	(216		)	(0.8	)%	(201		)	(0.8	)%
Bank owned life insurance	(12		)	—	%	(12		)	—	%
Other	89			0.2	%	(12		)	—	%
Income tax expense, as reported	$	5,975		23.4	%	$	5,482		21.7	%

26

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

The components of the net deferred tax liability at March 31, 2019 and December 31, 2018, are as follows:

	March 31,			December 31,
	2019			2018
Deferred tax assets:
Allowance for loan losses	$	7,768		$	7,539
Operating lease liability	9,079			—
Amortization of core deposit intangible	1,060			1,012
Deferred compensation	3,802			5,878
Unrealized loss on available-for-sale debt securities	558			3,299
Other	2,012			1,998
Subtotal	24,279			19,726
Deferred tax liabilities:
FHLB stock dividends	(550		)	(550		)
Operating lease - right of use asset	(8,826		)	—
Depreciation	(4,777		)	(4,812		)
Cash flow hedges	(586		)	(736		)
Mortgage servicing rights	(16,684		)	(23,146		)
Other	(7,904		)	(7,145		)
Subtotal	(39,327		)	(36,389		)
Net deferred tax liability	$	(15,048	)	$	(16,663	)

Tax periods for all fiscal years after 2014 remain open to examination by the federal and state taxing jurisdictions to which the Company is subject.

Note (9)—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.

	March 31,		December 31,
	2019		2018
Commitments to extend credit, excluding interest rate lock commitments	$	1,111,472	$	1,032,390
Letters of credit	18,762		19,024
Balance at end of period	$	1,130,234	$	1,051,414

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 $1,393and $1,119for the three months ended March 31, 2019 and 2018, respectively. The Company has established a reserve associated with loan repurchases. This reserve is recorded in accrued expenses and other liabilities on the consolidated balance sheets.

The following table summarizes the activity in the repurchase reserve:

	For the three months ended March, 31
	2019		2018
Balance at beginning of period	$	3,273	$	3,386
Provision for loan repurchases or indemnifications	59		186
Recoveries on previous losses	—		(58		)
Balance at end of period	$	3,332	$	3,514

27

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Note (10)—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 mortgage loans 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 best effort or mandatory delivery 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 to offset the changes in fair value of 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.

Additionally, 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.

The Company also maintains two interest rate swap agreements with notional amounts totaling $30,000 used to hedge interest rate exposure on outstanding subordinate debentures included in long-term debt totaling $30,930. 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 March 31, 2019 and December 31, 2018, the fair value of these contracts was $274 and $721, respectively.

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 were designated as cash flow hedges with the objective of reducing the variability of cash flows associated with $100,000 of FHLB borrowings obtained in conjunction with the Clayton Banks acquisition. During the first quarter of 2018, these swaps were canceled, locking in a tax-adjusted gain of $1,564 in other comprehensive income to be accreted over the three, four and five-year terms of the underlying contracts. As of March 31, 2019 and December 31, 2018, there was $1,342 and $1,436, respectively, remaining in the other comprehensive income to be accreted.

Certain financial instruments, including derivatives, may be eligible for offset in the Consolidated Balance Sheets 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.

Most derivative contracts with clients are secured by collateral. Additionally, in accordance with the interest rate agreements with derivatives dealers, the Company may be required to post margin to these counterparties. At March 31, 2019 and December 31, 2018, the Company had minimum collateral posting thresholds with certain derivative counterparties and had collateral posted of $20,380 and $13,904, respectively, against its obligations under these agreements. Cash collateral related to derivative contracts is recorded in other assets in the Consolidated Balance Sheets.

28

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

The following table provides details on the Company’s derivative financial instruments as of the dates presented:

	March 31, 2019
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	346,545	$	9,073	$	9,073
Forward commitments	599,205		—		3,327
Interest rate-lock commitments	492,507		8,121		—
Futures contracts	178,000		1,456		—
Option contracts	8,600		78		—
Total	$	1,624,857	$	18,728	$	12,400

	December 31, 2018
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	295,333	$	6,679	$	6,679
Forward commitments	474,208		—		4,958
Interest rate-lock commitments	318,706		6,241		—
Futures contracts	166,000		649		—
Options contracts	3,800		26		—
Total	$	1,258,047	$	13,595	$	11,637

	March 31, 2019
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	274	$	—

	December 31, 2018
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	721	$	—

Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments

were as follows:

	Three Months Ended March 31,
	2019			2018
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	1,880		$	3,411
Forward commitments	(4,404		)	5,318
Futures contracts	1,871			(2,447		)
Option contracts	13			43
Total	$	(640	)	$	6,325

29

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

	Three Months Ended March 31,
	2019		2018
Designated as hedging:
Amount of gain (loss) reclassified from other comprehensive    income and recognized in interest expense on borrowings, net of taxes of $33 and $1	$	94	$	(3	)
Gain (loss) included in interest expense on borrowings	55		(29		)
Total	$	149	$	(32	)

The following discloses the amount included in other comprehensive income (loss), net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Three Months Ended March 31,
	2019			2018
Designated as hedging:
Amount of (loss) gain recognized in other comprehensive    income, net of tax	$	(331	)	$	1,271

Note (11)—Fair value of financial instruments:

FASB ASC 820-10 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. ASC 820-10 also 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:

Investment securities-Investment 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. Investment 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.

30

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Loans held for sale-Loans held for sale are carried at fair value. Fair value 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 (“OREO”) is comprised of commercial and residential real estate obtained in partial or total satisfaction of loan obligations and excess land and facilities held for sale. 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. As such, mortgage servicing rights are considered 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 table contains the estimated fair values and the related carrying values of the Company's financial instruments. Items which are not financial instruments are not included.

	Fair Value
March 31, 2019	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	195,414	$	195,414	$	—	$	—	$	195,414
Investment securities	670,835		—		670,835		—		670,835
Loans, net	3,756,977		—		—		3,746,515		3,746,515
Loans held for sale	248,054		—		248,054		—		248,054
Interest receivable	16,611		—		3,114		13,497		16,611
Mortgage servicing rights	64,031		—		—		64,031		64,031
Derivatives	19,002		—		19,002		—		19,002
Financial liabilities:
Deposits:
Without stated maturities	$	3,159,931	$	3,159,931	$	—	$	—	$	3,159,931
With stated maturities	1,143,260		—		1,147,498		—		1,147,498
Securities sold under agreement to repurchase and federal funds sold	36,695		36,695		—		—		36,695
Federal Home Loan Bank advances	161,553		—		161,654		—		161,654
Subordinated debt	30,930		—		30,000		—		30,000
Interest payable	7,112		294		6,818		—		7,112
Derivatives	12,400		—		12,400		—		12,400

31

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

	Fair Value
December 31, 2018	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	125,356	$	125,356	$	—	$	—	$	125,356
Investment securities	658,805		—		658,805		—		658,805
Loans, net	3,638,579		—		—		3,630,500		3,630,500
Loans held for sale	278,815		—		278,815		—		278,815
Interest receivable	14,503		—		2,848		11,655		14,503
Mortgage servicing rights	88,829		—		—		88,829		88,829
Derivatives	14,316		—		14,316		—		14,316
Financial liabilities:
Deposits:
Without stated maturities	$	3,051,972	$	3,051,972	$	—	$	—	$	3,051,972
With stated maturities	1,119,745		—		1,122,076		—		1,122,076
Securities sold under agreement to repurchase and federal funds sold	15,081		15,081		—		—		15,081
Federal Home Loan Bank advances	181,765		—		181,864		—		181,864
Subordinated debt	30,930		—		30,000		—		30,000
Interest payable	5,015		530		4,485		—		5,015
Derivatives	11,637		—		11,637		—		11,637

The balances and levels of the assets measured at fair value on a recurring basis at March 31, 2019 are presented in the following table:

March 31, 2019	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	$	—	$	993	$	—	$	993
Mortgage-backed securities	—		511,716		—		511,716
Municipals, tax-exempt	—		147,640		—		147,640
Treasury securities	—		7,305		—		7,305
Equity securities	—		3,181		—		3,181
Total	$	—	$	670,835	$	—	$	670,835
Loans held for sale	$	—	$	248,054	$	—	$	248,054
Mortgage servicing rights	—		—		64,031		64,031
Derivatives	—		19,002		—		19,002
Financial Liabilities:
Derivatives	—		12,400		—		12,400

32

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

(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 March 31, 2019 are presented in the following table:

At March 31, 2019	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	$	—	$	—	$	1,147	$	1,147
Impaired loans(1):
Commercial and industrial	$	—	$	—	$	3,186	$	3,186
Construction	—		—		6		6
Residential real estate:
1-4 family mortgage	—		—		260		260
Commercial real estate:
Owner occupied	—		—		272		272
Non-owner occupied	—		—		—		—
Consumer and other	—		—		—		—
Total	$	—	$	—	$	3,724	$	3,724

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2018 are presented in the following table:

At December 31, 2018	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	$	—	$	989	$	—	$	989
Mortgage-backed securities	—		508,580		—		508,580
Municipals, tax-exempt	—		138,887		—		138,887
Treasury securities	—		7,242		—		7,242
Equity securities	—		3,107		—		3,107
Total	$	—	$	658,805	$	—	$	658,805
Loans held for sale	$	—	$	278,815	$	—	$	278,815
Mortgage servicing rights	—		—		88,829		88,829
Derivatives	—		14,316		—		14,316
Financial Liabilities:
Derivatives	—		11,637		—		11,637

33

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

(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, 2018 are presented in the following table:

At December 31, 2018	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	$	—	$	—	$	2,266	$	2,266
Impaired Loans(1):
Commercial and industrial	$	—	$	—	$	732	$	732
Construction	—		—		832		832
Residential real estate:
1-4 family mortgage	—		—		146		146
Commercial real estate:
Owner occupied	—		—		87		87
Non-owner occupied	—		—		6,921		6,921
Total	$	—	$	—	$	8,718	$	8,718

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

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 three months ended March 31, 2019 and 2018:

	Available-for-sale securities
	Three Months Ended March 31,
	2019		2018
Balance at beginning of period	$	—	$	3,604
Reclassification of equity securities without a readily determinable fair value to other assets	—		(3,604		)
Balance at end of period	$	—	$	—

The following table presents information as of March 31, 2019 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)	$	3,724	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	1,147	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

34

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

The following table presents information as of December 31, 2018 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)	$	8,718	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	2,266	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

Loans considered impaired are reserved for at the time the loan is identified as impaired taking into account the fair value of the collateral less estimated selling costs. Impaired loans are reviewed and evaluated on at least a quarterly basis for additional impairment and adjusted accordingly, based on changes in market conditions from the time of valuation and management's knowledge of the client and client's business. Other real estate owned acquired in settlement of indebtedness is recorded at fair value of the real estate less estimated costs to sell. Subsequently, it may be necessary to record nonrecurring fair value adjustments for declines in fair value. Any write-downs based on the asset's fair value at the date of foreclosure are charged to the allowance for loan losses. 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 $(1,207) and $2,121 resulting from fair value changes of mortgage loans held for sale were recorded in income during the three months ended March 31, 2019 and 2018, 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. There were $76,857 and $67,362 of delinquent GNMA loans that had previously been sold at March 31, 2019 and December 31, 2018. The Company determined there not to be a more-than-trivial benefit based on an analysis of interest rates and an assessment of potential reputational risk associated with these loans. As such, the Company did not record any rebooked GNMA loans on the balance sheet as of March 31, 2019 or December 31, 2018.

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.

35

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

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 March 31, 2019 and December 31, 2018:

March 31, 2019	Aggregate fair value		Aggregate Unpaid Principal Balance		Difference
Mortgage loans held for sale measured at fair value	$	247,858	$	238,554	$	9,304
Past due loans of 90 days or more	—		—		—
Nonaccrual loans	196		196		—
December 31, 2018
Mortgage loans held for sale measured at fair value	$	278,418	$	267,907	$	10,511
Past due loans of 90 days or more	—		—		—
Nonaccrual loans	397		397		—

Note (12)—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 Consumer direct and Correspondent 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 three months ended March 31, 2019, the Company's Board of Directors approved management's strategic plan to exit both its Third party origination ('TPO') and Correspondent channels. As such, the Company entered an agreement to sell its TPO channel, which is expected to close during the second quarter of 2019. The mortgage segment incurred $1,054 in restructuring and miscellaneous charges during the first quarter of 2019 related to these plans.

36

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

The following tables provides segment financial information for the three months ended March 31, 2019 and 2018 as follows:

Three Months Ended March 31, 2019	Banking		Mortgage			Consolidated
Net interest income	$	52,993	$	23		$	53,016
Provision for loan loss	1,391		—			1,391
Mortgage banking income	4,386		18,516			22,902
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(1,881		)	(1,881		)
Other noninterest income	8,018		—			8,018
Depreciation	1,042		130			1,172
Amortization of intangibles	729		—			729
Other noninterest mortgage banking expense	2,831		17,356			20,187
Other noninterest expense(2)	31,959		1,054			33,013
Income before income taxes	27,445		(1,882		)	25,563
Income tax expense						5,975
Net income						$	19,588
Total assets	$	4,987,744	$	347,412		$	5,335,156
Goodwill	137,090		100			137,190

(1) Included in mortgage banking income.

(2) Included $621 in merger and conversion expenses in banking segment related to the ACBI branch acquisition and $1,054 in mortgage segment related to mortgage business restructuring charges.

Three Months Ended March 31, 2018	Banking		Mortgage			Consolidated
Net interest income	$	48,771	$	(342	)	$	48,429
Provision for loan loss	317		—			317
Mortgage banking income	6,108		22,076			28,184
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(1,713		)	(1,713		)
Other noninterest income	6,804		—			6,804
Depreciation and amortization	978		128			1,106
Amortization of intangibles	853		—			853
Other noninterest mortgage banking expense	5,097		18,782			23,879
Other noninterest expense(2)	30,313		—			30,313
Income before income taxes	24,125		1,111			25,236
Income tax expense						5,482
Net income						$	19,754
Total assets	$	4,220,543	$	504,873		$	4,725,416
Goodwill	137,090		100			137,190

(1) Included in mortgage banking income.

(2) Included $1,193 in merger and conversion expenses.

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, which eliminated in consolidation, had a prime interest rate of 5.50% and 4.75% as of March 31, 2019 and 2018, respectively, and further limited based on interest income earned by the Mortgage segment. 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 $2,558 and $4,508 for the three months ended March 31, 2019 and 2018, respectively.

Note (13)—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.

37

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Under regulatory guidance for non-advanced approaches institutions, the Bank is required 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 March 31, 2019 and December 31, 2018, the Bank and Company met all capital adequacy requirements to which it is subject.

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. As of March 31, 2019 and December 31, 2018, the buffer was 2.50% and 1.88%, respectively. The capital conservative buffer was fully phased in on January 1, 2019.

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
March 31, 2019
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	610,686	13.4	%	$	364,589	8.0	%	$	478,523	10.5	%	N/A		N/A
FirstBank	591,594		13.0	%	364,058		8.0	%	477,826		10.5	%	$	455,072	10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	580,872	12.7	%	$	274,428	6.0	%	$	388,773	8.5	%	N/A		N/A
FirstBank	561,780		12.3	%	274,039		6.0	%	388,222		8.5	%	$	365,385	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	580,872	11.5	%	$	202,042	4.0	%	N/A		N/A		N/A		N/A
FirstBank	561,780		11.1	%	202,443		4.0	%	N/A		N/A		$	253,054	5.0	%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	550,872	12.0	%	$	206,577	4.5	%	$	321,342	7.0	%	N/A		N/A
FirstBank	561,780		12.3	%	205,529		4.5	%	319,712		7.0	%	$	296,876	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, 2018
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	582,945	13.0	%	$	358,735	8.0	%	$	442,814	9.9	%	N/A		N/A
FirstBank	561,327		12.5	%	359,249		8.0	%	443,448		9.9	%	$	449,062	10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	554,013	12.4	%	$	268,071	6.0	%	$	351,843	7.9	%	N/A		N/A
FirstBank	532,395		11.9	%	268,434		6.0	%	352,320		7.9	%	$	357,913	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	554,013	11.4	%	$	194,391	4.0	%	N/A		N/A		N/A		N/A
FirstBank	532,395		10.9	%	195,374		4.0	%	N/A		N/A		$	244,218	5.0	%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	524,013	11.7	%	$	201,543	4.5	%	$	285,520	6.4	%	N/A		N/A
FirstBank	532,395		11.9	%	201,326		4.5	%	285,212		6.4	%	$	290,804	6.5	%

Note (14)—Stock-Based Compensation

The Company grants restricted stock units under compensation arrangements for the benefit of employees, executive officers, and directors. Restricted stock unit grants are subject to time-based vesting. The total number of restricted stock units granted

38

FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

represents the maximum number of restricted stock units eligible to vest based upon the service conditions set forth in the grant agreements.

The following table summarizes information about vested and unvested restricted stock units, excluding cash-settled EBI units discussed above, outstanding at March 31, 2019 and 2018:

	March 31,
	2019				2018
	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	1,140,215		$	21.96	1,214,325		$	19.97
Grants	142,008		34.01		105,429		39.90
Released and distributed (vested)	(181,958	)	24.91		(170,160	)	21.24
Forfeited/expired	(4,343	)	27.67		(5,556	)	19.00
Balance at end of period	1,095,922		$	23.30	1,144,038		$	21.11

The total fair value of restricted stock units vested and released, excluding cash-settled EBI units, was $4,533 and $3,614 for the three months ended March 31, 2019 and 2018, respectively.

The compensation cost related to stock grants and vesting of restricted stock units, excluding cash-settled EBI units, was $1,638 and $1,958 for the three months ended March 31, 2019 and 2018, respectively. This included $172 and $177 paid to Company independent directors during the three months ended March 31, 2019 and 2018, respectively, related to independent director grants and compensation elected to be settled in stock. The previous period also includes a one-time expense of $249 related to the modification of vesting terms of certain grants.

As of March 31, 2019 and 2018, there were $12,004 and $15,696, respectively, of total unrecognized compensation cost related to nonvested stock-settled EBI Units and restricted stock units (excluding cash-settled EBI units discussed above) which is expected to be recognized over a weighted-average period of 2.34 years and 2.78 years, respectively. At March 31, 2019, there was $293 accrued in other liabilities related to dividends declared to be paid upon vesting and distribution of the underlying RSUs.

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 is 95% of the lower of the market 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 three months ended March 31, 2019 and 2018, there were 10,613 shares and 16,537 shares of common stock issued under the ESPP, respectively. As of March 31, 2019 and 2018, there were 2,421,743 and 2,444,428 shares available for issuance under the ESPP, respectively.

Note (15)—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.

An analysis of loans to executive officers, certain management, and directors of the Bank and their affiliates follows:

Loans outstanding at January 1, 2018	$	32,264
New loans and advances	1,225
Change in related party status	(9,614		)
Repayments	(219		)
Loans outstanding at March 31, 2019	$	23,656

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FB Financial Corporation and subsidiaries

Notes to consolidated financial statements

(Unaudited)

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

Unfunded commitments to certain executive officers, certain management and directors and their associates totaled $18,382 and $15,000 at March 31, 2019 and December 31, 2018, respectively.

(B) Deposits:

The Bank held deposits from related parties totaling $281,119 and $287,156 as of March 31, 2019 and December 31, 2018, respectively.

(C) Leases:

The Bank leases various office spaces from entities owned by certain directors of the Company under varying terms. The Company had $111 and $116 in unamortized leasehold improvements related to these leases at March 31, 2019 and December 31, 2018, respectively. These improvements are being amortized over a term not to exceed the length of the lease. Lease expense for these properties totaled $129 and $148 for the three months ended March 31, 2019 and 2018, respectively.

(D) 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 $29 as of March 31, 2019 and December 31, 2018.

(E) 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 three months ended March 31, 2019 and 2018, the Company made payments of $27 and $72, respectively, under these agreements.

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ITEM 2 – Management’s discussion and analysis of financial condition and results of operations

The following is a discussion of our financial condition at March 31, 2019 and December 31, 2018 and our results of operations for the three months ended March 31, 2019 and 2018, and should be read in conjunction with our audited consolidated financial statements set forth in our Annual Report on Form 10-K for the year ended December 31, 2018 that was filed with the Securities and Exchange Commission (the "SEC") on March 12, 2019 (our "Annual Report") and with the accompanying unaudited notes to the consolidated financial statements set forth in this Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019 (this "Report").

Cautionary note regarding forward-looking statements

Certain statements contained in this Report are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements include, without limitation, statements relating to the Company’s assets business, cash flows, condition (financial or otherwise), credit quality, financial performance, liquidity, short and long-term performance goals, prospects, results of operations, strategic initiatives, the benefits, cost and synergies of the Clayton Banks acquisition, and the timing, benefits, costs and synergies of future acquisitions, disposition and other growth opportunities. These statements, which are based upon certain assumptions and estimates and describe the Company’s 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 the Company’s industry, management’s beliefs and certain assumptions made by management, many of which, by their nature, are inherently uncertain and beyond the Company’s control. The inclusion of these forward-looking statements should not be regarded as a representation by the Company or any other person that such expectations, estimates and projections will be achieved. Accordingly, the Company cautions investors 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 the Company’s control. Although the Company believes that the expectations reflected in these forward-looking statements are reasonable as of the date of this Report, actual results may prove to be materially different from the results expressed or implied by the forward-looking statements. A number of factors could cause actual results to differ materially from those contemplated by the forward-looking statements in this Report including, without limitation, the risks and other factors set forth in the Company’s most recent Annual Report on Form 10-K under the captions “Cautionary note regarding forward-looking statements” and “Risk factors” and periodic and current reports on Form 10-Q and 8-K. Many of these factors are beyond the Company’s ability to control or predict. If one or more events related to these or other risks or uncertainties materialize, or if the Company’s underlying assumptions prove to be incorrect, actual results may differ materially from the forward-looking statements. Accordingly, investors should not place undue reliance on any such forward-looking statements. Any forward-looking statement speaks only as of the date of this Report, and the Company does 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 the Company to predict their occurrence or how they will affect the Company.

Because of these risks and other uncertainties, our actual results, performance or achievement, or industry results, may be materially different from the anticipated or estimated results discussed in the forward-looking statements in this Report. Our past results of operations are not necessarily indicative of our future results. You should not unduly rely on any forward-looking statements, which represent our beliefs, assumptions and estimates only as of the dates on which they were made, as predictions of future events. We undertake no obligation to update these forward-looking statements 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.

We qualify all of our forward-looking statements by these cautionary 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, "Basis of Presentation," in the notes to our consolidated

41

financial statements in our Annual report. Subsequent adoptions are further described in "Part 1. Financial Information - Notes to Consolidated Financial Statements" of this report.

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. At March 31, 2019, our footprint included 56 full-service bank branches serving the following Metropolitan Statistical Areas (“MSAs”): Nashville, Chattanooga (including North Georgia), Knoxville, Memphis, Jackson, and Huntsville, Alabama 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 within our banking footprint, trust and investment services and deposit-related fees. We generate most of our revenue 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, from wholesale and third-party origination services, and from servicing these mortgage loans. Our primary source of funding for our loans is customer deposits, and, to a lesser extent, Federal Home Loan Bank (“FHLB”) advances, brokered and internet deposits, and other borrowings.

42

Selected historical consolidated financial data

The following table presents certain selected historical consolidated financial data as of the dates or for the periods indicated:

	As of or for the three months ended						As of or for the year ended
	March 31,						December 31,
(Dollars in thousands, except per share data)	2019			2018			2018
Statement of Income Data
Total interest income	$	65,933		$	54,848		$	239,571
Total interest expense	12,917			6,419			35,503
Net interest income	53,016			48,429			204,068
Provision for loan losses	1,391			317			5,398
Total noninterest income	29,039			33,275			130,642
Total noninterest expense	55,101			56,151			223,458
Net income before income taxes	25,563			25,236			105,854
Income tax expense	5,975			5,482			25,618
Net income	19,588			19,754			80,236
Net interest income (tax—equivalent basis)	53,461			48,799			205,668
Per Common Share
Basic net income	0.63			0.65			2.60
Diluted net income	0.62			0.63			2.55
Book value(1)	22.51			19.92			21.87
Tangible book value(4)	17.73			14.99			17.02
Cash dividends declared	0.08			—			0.20
Selected Balance Sheet Data
Cash and cash equivalents	195,414			73,700			125,356
Loans held for investment	3,786,791			3,244,663			3,667,511
Allowance for loan losses	(29,814		)	(24,406		)	(28,932		)
Loans held for sale	248,054			414,518			278,815
Investment securities, at fair value	670,835			597,347			658,805
Other real estate owned, net	12,828			15,334			12,643
Total assets	5,335,156			4,725,416			5,136,764
Customer deposits	4,233,750			3,684,758			4,068,610
Brokered and internet time deposits	69,441			81,393			103,107
Total deposits	4,303,191			3,766,151			4,171,717
Borrowings	229,178			293,017			227,776
Total shareholders' equity	694,577			611,075			671,857
Selected Ratios
Return on average:
Assets(2)	1.54		%	1.71		%	1.66		%
Shareholders' equity(2)	11.6		%	13.4		%	12.7		%
Average tangible common equity(4)	14.8		%	17.9		%	16.7		%
Average shareholders' equity to average assets	13.2		%	12.8		%	13.0		%
Net interest margin (tax-equivalent basis)	4.61		%	4.64		%	4.66		%
Efficiency ratio(6)	67.2		%	68.7		%	66.8		%
Adjusted efficiency ratio (tax-equivalent basis)(4)(5)	64.9		%	66.8		%	65.8		%
Loans held for investment to deposit ratio	88.0		%	86.2		%	87.9		%
Yield on interest-earning assets	5.73		%	5.25		%	5.47		%
Cost of interest-bearing liabilities	1.52		%	0.85		%	1.11		%
Cost of total deposits	1.14		%	0.55		%	0.76		%

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	As of or for the three months ended				As of or for the year ended
	March 31,				December 31,
	2019		2018		2018
Credit Quality Ratios
Allowance for loan losses to loans, net of unearned income	0.79	%	0.75	%	0.79	%
Allowance for loan losses to nonperforming loans	191.0	%	253.1	%	173.0	%
Nonperforming loans to loans, net of unearned income	0.41	%	0.30	%	0.46	%
Capital Ratios (Company)
Shareholders' equity to assets	13.0	%	12.9	%	13.1	%
Tier 1 capital (to average assets)	11.5	%	10.7	%	11.4	%
Tier 1 capital (to risk-weighted assets(3)	12.7	%	11.8	%	12.4	%
Total capital (to risk-weighted assets)(3)	13.4	%	12.3	%	13.0	%
Tangible common equity to tangible assets(4)	10.5	%	10.1	%	10.5	%
Common Equity Tier 1 (to risk-weighted assets) (CET1)(3)	12.0	%	11.0	%	11.7	%
Capital Ratios (Bank)
Shareholders' equity to assets	13.2	%	12.5	%	13.2	%
Tier 1 capital (to average assets)	11.1	%	10.0	%	10.9	%
Tier 1 capital (to risk-weighted assets)(3)	12.3	%	11.0	%	11.9	%
Total capital to (risk-weighted assets)(3)	13.0	%	11.6	%	12.5	%
Common Equity Tier 1 (to risk-weighted assets) (CET1)(3)	12.3	%	11.0	%	11.9	%

(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 30,852,665 and 30,671,763 as of March 31, 2019, 2018, respectively and 30,724,532 as of December 31, 2018.

(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 daily assets and average equity, as the case may be, for that period.

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

(4) 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.

(5) During the first quarter of 2019, the Company changed its presentation of the total and operating segments adjusted efficiency ratio calculation to no longer include fair value of MSRs: therefore, prior periods have been revised to reflect this change.

GAAP reconciliation and management explanation of non-GAAP financial measures

We identify certain financial measures discussed in this Report as being "non-GAAP financial measures." The non-GAAP financial measures presented in this Report are adjusted efficiency ratio (tax equivalent basis), tangible book value per common share, tangible common equity to tangible assets and return on average tangible equity.

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 GAAP 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 this Report 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 (tax equivalent basis)

The adjusted efficiency ratio (tax equivalent basis) is a non-GAAP measure that excludes certain gains (losses), merger, offering and mortgage restructuring-related expenses 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. During the first quarter of 2019, the Company changed its presentation of the adjusted efficiency ratio calculation to no longer exclude the change in fair value of MSRs. The prior periods presented below have been revised to reflect this change.

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The following table presents, as of the dates set forth below, a reconciliation of our adjusted efficiency ratio (tax-equivalent basis) to our efficiency ratio:

	Three Months Ended March 31,						Year Ended December 31,
(dollars in thousands)	2019			2018			2018
Adjusted efficiency ratio (tax-equivalent basis)
Total noninterest expense	$	55,101		$	56,151		$	223,458
Less merger, offering and mortgage restructuring-related expenses	1,675			1,193			2,265
Adjusted noninterest expense	$	53,426		$	54,958		$	221,193
Net interest income (tax-equivalent basis)	$	53,461		$	48,799		$	205,668
Total noninterest income	29,039			33,275			130,642
Less loss on sales of other real estate	(39		)	(186		)	(99		)
Less gain on other assets	191			68			328
Less gain (loss) on securities	43			(47		)	(116		)
Adjusted noninterest income	$	28,844		$	33,440		$	130,529
Adjusted operating revenue	$	82,305		$	82,239		$	336,197
Efficiency ratio (GAAP)	67.2		%	68.7		%	66.8		%
Adjusted efficiency ratio (tax-equivalent basis)	64.9		%	66.8		%	65.8		%

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 March 31,						As of December 31,
(dollars in thousands, except per share data)	2019			2018			2018
Tangible Assets
Total assets	$	5,335,156		$	4,725,416		$	5,136,764
Adjustments:
Goodwill	(137,190		)	(137,190		)	(137,190		)
Core deposit and other intangibles	(10,439		)	(14,027		)	(11,628		)
Tangible assets	$	5,187,527		$	4,574,199		$	4,987,946
Tangible Common Equity
Total shareholders' equity	$	694,577		$	611,075		$	671,857
Adjustments:
Goodwill	(137,190		)	(137,190		)	(137,190		)
Core deposit and other intangibles	(10,439		)	(14,027		)	(11,628		)
Tangible common equity	$	546,948		$	459,858		$	523,039
Common shares outstanding	30,852,665			30,671.763			30,724.532
Book value per common share	$	22.51		$	19.92		$	21.87
Tangible book value per common share	$	17.73		$	14.99		$	17.02
Total shareholders' equity to total assets	13.0		%	12.9		%	13.1		%
Tangible common equity to tangible assets	10.5		%	10.1		%	10.5		%

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Return on average tangible common equity

Return on average tangible common equity is a non-GAAP measure that uses average shareholders' equity and excludes the impact of goodwill and other intangibles. This measurement is also used by the Company's management to evaluate capital adequacy. The following table presents, as of the dates set forth below, reconciliations of total average tangible common equity to average shareholders' equity and return on average tangible common equity to return on average

shareholders equity:

	Three Months Ended March 31,						Year Ended December 31,
(dollars in thousands)	2019			2018			2018
Return on average tangible common equity
Total average shareholders' equity	$	684,545		$	599,198		$	629,922
Adjustments:
Average goodwill	(137,190		)	(137,190		)	(137,190		)
Average intangibles, net	(10,856		)	(14,465		)	(12,815		)
Average tangible common equity	$	536,499		$	447,543		$	479,917
Net income	$	19,588		$	19,754		$	80,236
Return on average shareholders' equity	11.6		%	13.4		%	12.7		%
Return on average tangible common equity	14.8		%	17.9		%	16.7		%

Mergers and acquisitions

Atlantic Capital Bank, N.A. Branches

On April 5, 2019, the Bank completed its previously-announced branch acquisition to purchase 11 Tennessee and three Georgia branch locations (the "Branches") from Atlantic Capital Bank, N.A., a national banking association and a wholly owned subsidiary of Atlantic Capital Bancshares, Inc., a Georgia corporation (collectively, "Atlantic Capital"), further increasing market share in existing markets and expanding the Company's footprint into new locations. See Note 2, “Mergers and acquisitions” in the notes to the consolidated financial statements included in this Report for further details regarding the terms and conditions of this acquisition.

Overview of recent financial performance

Results of operation

For the three months ended March 31, 2019, net income was $19.6 million compared to $19.8 million in the three

months ended March 31, 2018. Pre-tax income was $25.6 million in the three months ended March 31, 2019 compared with $25.2 million in the same period in 2018. Diluted earnings per common share was $0.62 and $0.63 for the

three months ended March 31, 2019 and 2018, respectively. Our net income represented a return on average assets

(“ROAA”) of 1.54% and 1.71% for the three months ended March 31, 2019 and 2018, respectively, and a return on

average equity (“ROAE”) of 11.6% and 13.4% for the same periods. Our ratio of return on average tangible common equity (“ROATE”) in the three months ended March 31, 2019 and 2018 was 14.8% and 17.9%, respectively. Additionally, our ratio of average shareholders’ equity to average assets at March 31, 2019 and December 31, 2018 was 13.2% and 13.0%, respectively.

During the three months ended March 31, 2019, net interest income before provision for loan losses increased to $53.0 million compared to $48.4 million in the three months ended March 31, 2018, which was attributable to an increase in interest income and expense, primarily driven by loan and deposit growth in addition to increased overall interest rates. Our net interest margin, on a tax-equivalent basis, decreased to 4.61% for the three months ended March 31, 2019 as compared to 4.64% for the three months ended March 31, 2018, due primarily to the increase in cost of deposits partially offset by an increase in contractual loan yield earned on our loan portfolio.

Noninterest income for the three months ended March 31, 2019 decreased by $4.2 million to $29.0 million from $33.3 million for the same period in the previous year. The decrease in noninterest income was largely a result of a decrease in mortgage banking income which was negatively impacted by rising rates and increased competition as well as other related market conditions.

Noninterest expense decreased to $55.1 million for the March 31, 2019 compared to $56.2 million for the three months ended March 31, 2018. The decrease in noninterest expense was attributed to decreases in merger, salaries and advertising expenses offset by mortgage restructuring expenses incurred of $1.1 million related to the pending sale of our TPO and Correspondent mortgage delivery channels announced on April 1, 2019.

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Financial condition

Our total assets grew by 3.9% to $5.34 billion at March 31, 2019 as compared to $5.14 billion at December 31, 2018. The increase was driven by strong growth in our loans held for investment during the three months ended March 31, 2019. Loans held for investment increased $119.3 million to $3.79 billion at March 31, 2019 compared to $3.67 at December 31, 2018. This increase was partially offset by a decline in loans held for sale of $30.8 million to $248.1 million at March 31, 2019.

We grew total deposits by $131.5 million to $4.30 billion at March 31, 2019 as compared to $4.17 billion at December 31, 2018. Most of the increase came from interest-bearing checking and customer time deposits which increased $73.6 million, or 8.5%, and $57.2 million or, 5.6%, respectively, during the period.

Business segment highlights

We operate our business in two business segments: Banking and Mortgage. See Note 12, “Segment Reporting,” in the notes to our consolidated financial statements for a description of these business segments.

Banking

Income before taxes increased by $3.3 million, or 13.8%, in the three months ended March 31, 2019 to $27.4 million as compared to $24.1 million in the three months ended March 31, 2018. This increase was a result of an increase in net interest income of $4.2 million. The increase in net interest income was a result of our loan growth of $528.2 million in average loan balances combined with increased interest rates, continuing strong credit environment and favorable demand in our markets. Noninterest income decreased $0.5 million to $12.4 million in the three months ended March 31, 2019 as compared to $12.9 million in the three months ended March 31, 2018. Noninterest expense decreased $0.7 million or 1.8%, primarily due to decreases in merger, advertising, and salaries and employee benefits expenses. Results of our Banking Segment also include mortgage retail footprint pre-tax net contribution was $1.6 million in the three months ended March 31, 2019 compared to $1.0 million in the three months ended March 31, 2018.

Mortgage

Income before taxes from the Mortgage segment decreased $3.0 million to a net loss of $1.9 million in the three months ended March 31, 2019 as compared to pre-tax net income of $1.1 million in the three months ended March 31, 2018 primarily due to a decrease in noninterest income and the recognition of mortgage restructuring costs in other noninterest expense of $1.1 million incurred related to the pending sale of our TPO and Correspondent delivery channels. For additional information on the sale, see "Item 2. Management's discussion and analysis of financial condition and results of operations - Noninterest income". Noninterest income decreased $3.7 million to $16.6 million for the three months ended March 31, 2019 as compared to $20.4 million for the three months ended March 31, 2018, driven by decreased interest rate lock commitment volume as well as compressing margins experienced across the market. Interest rate lock commitment volume decreased $763.5 million, or 35.9%, during the three months ended March 31, 2019 compared to the three months ended March 31, 2018 due to higher interest rates and competitive pricing pressures. Interest rate lock commitment volume is expected to decline in 2019 with the sale of the TPO and correspondent mortgage delivery channels.

The change in fair value on MSRs and related hedging activities included in mortgage banking income amounted to a loss of $1.9 million due to decay and changes in valuation inputs or assumptions during the three months ended March 31, 2019. Decay exists regardless of MSR hedging activity and is due to the natural aging and paydown of the mortgage servicing portfolio. The change in fair value, along with servicing fees and the change in fair value of derivative hedging resulted in a positive gross servicing income of $2.9 million. This compares to a decline in fair value on MSRs and related hedging activities of $1.7 million and gross servicing income of $3.1 million for the three months ended March 31, 2018. Interest rate lock commitments in the pipeline at March 31, 2019 were $492.5 million compared with $318.7 million at December 31, 2018 and $693.0 million at March 31, 2018. During the three months ended March 31, 2019, we sold $29.2 million of mortgage servicing rights. No material gain or loss was recognized in connection with this sale in the three months ended March 31, 2019. There were no sales of mortgage servicing rights during the three months ended March 31, 2018.

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 blended state statutory income tax rate of 26.06% for the three months ended March 31, 2019 and 2018.

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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 (“NIM”) which represents net interest income, on a tax-equivalent basis, 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 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, repurchase agreements and subordinated debt.

Three months ended March 31, 2019 compared to three months ended March 31, 2018

Net interest income increased 9.5% to $53.0 million in the three months ended March 31, 2019 compared to $48.4 million in the three months ended March 31, 2018. On a tax-equivalent basis, net interest income increased $4.7 million to $53.5 million in the three months ended March 31, 2019 as compared to $48.8 million in the three months ended March 31, 2018. The increase in tax-equivalent net interest income in the three months ended March 31, 2019 was primarily driven by increased volume on loans held for investment, offset by increased rates on deposits.

Interest income, on a tax-equivalent basis, was $66.4 million for the three months ended March 31, 2019, compared to $55.2 million for the three months ended March 31, 2018, an increase of $11.2 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 in addition to loans held for sale. Investment income consists primarily of interest earned on our investment portfolio made up of both taxable and tax-exempt securities. Interest income on loans held for investment, on a tax-equivalent basis, increased $11.3 million during the three months ended March 31, 2019 to $57.9 million from $46.6 million for the three months ended March 31, 2018, primarily due to volume driven by increased average loan balances of $528.2 million. A secondary driver of the increase in interest income on loans held for investment were increased rates. The tax-equivalent yield on loans held for investment was 6.31%, up 39 basis points from the three months ended March 31, 2018. The increase in yield was primarily due to increases in contractual interest rates and loan fees which yielded 5.66% and 0.42%, respectively, in the three months ended March 31, 2019 compared with 5.28% and 0.37% during the three months ended March 31, 2018, respectively. Slightly offsetting this increase were decreases in nonaccrual interest collections of 4 basis points and the purchase accounting contribution of accretion of 1 basis point during the three months ended March 31, 2019 compared to the same period in the previous year. Also included in the loan yield is the syndication loan fee income, which contributed 2 and 1 basis points for the the three months ended March 31, 2019 and 2018, respectively.

The components of our loan yield, a key driver to our NIM for the March 31, 2019 and 2018 were as follows:

	March 31, 2019				March 31, 2018
(dollars in thousands)	Interest income		Average yield		Interest income		Average yield
Loan yield components:
Contractual interest rate on loans held for    investment(1)	$	51,949	5.66	%	$	41,536	5.28	%
Origination and other loan fee income	3,840		0.42	%	2,867		0.37	%
Accretion on purchased loans	1,831		0.20	%	1,687		0.21	%
Nonaccrual interest collections	89		0.01	%	399		0.05	%
Syndicated loan fee income	200		0.02	%	75		0.01	%
Total loan yield	$	57,909	6.31	%	$	46,564	5.92	%

(1) Includes tax equivalent adjustment

Our NIM, on a tax-equivalent basis, decreased slightly to 4.61% during the three months ended March 31, 2019 from 4.64% in the three months ended March 31, 2018, primarily a result of increased cost of funds partly offset by loan growth and increases in contractual loan yields and fees. Accretion on purchased loans contributed 16 basis points to the NIM for the three months ended March 31, 2019 and 2018. Additionally, nonaccrual interest collections and syndicated loan fees contributed 1 and 2 basis points, respectively, to the NIM for the three months ended March 31, 2019 compared to 4 and 1 basis points, respectively, to the NIM for the three months ended March 31, 2018.

For the three months ended March 31, 2019, interest income on loans held for sale decreased $1.6 million to $2.6 million compared to $4.2 million for the three months ended March 31, 2018 due to a decrease in volume contributing a decline of $2.6 million offset by increased rates contributing additional income of $1.0 million. The average balance of loans held for sale decreased $218.3 million to $216.2 million for the three months ended March 31, 2019 compared to $434.6 million for

48

the three months ended March 31, 2018. The average balance of loans held for sale is expected to decline in 2019 with our sale of the TPO and Correspondent mortgage delivery channels. For additional information on the sale, see "Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations - Noninterest income".

For the three months ended March 31, 2019 investment income, on a tax-equivalent basis, increased to $5.1 million from $4.1 million for the three months ended March 31, 2018 due primarily to increased volume. The average balance in the investment portfolio for the three months ended March 31, 2019 was $657.4 million compared to $566.9 million for the three months ended March 31, 2018.

Interest expense was $12.9 million for the three months ended March 31, 2019, an increase of $6.5 million as compared to the three months ended March 31, 2018. The primary driver for the increase in total interest expense is the increase in interest expense on deposits of $6.8 million to $11.9 million for the three months ended March 31, 2019, compared to $5.1 million for the three months ended March 31, 2018. The increase was largely attributed to money market and time deposits which increased to $4.0 million, and $5.8 million, respectively, for the three months ended March 31, 2019 from $1.9 million and $1.8 million, respectively, for the three months ended March 31, 2018. The $2.1 million increase in money market interest expense during the three months ended March 31, 2019 was primarily attributed to increased rates with a secondary driver of increased volume. The average rate on money markets rose to 1.49%, up 70 basis points from the three months ended March 31, 2018. Average money market balances increased $97.3 million to $1,073.2 million during the three months ended March 31, 2019 from $975.8 million for the same period in the previous year. The $4,021.0 million increase in time deposit interest expense during the three months ended March 31, 2019 was primarily attributed to increased volume and rates in customer time deposits. Average customer time deposits increased $427.4 million from $617.8 million during the three months ended March 31, 2018 to $1,045.2 million during the three months ended March 31, 2019. Average rate on customer time deposits increased 112 basis points from 0.93% for the three months ended March 31, 2018 to 2.05% for the three months ended March 31, 2019. This growth was the result of a time deposit campaign implemented during the second half of 2018. A secondary driver of the increase in time deposit interest expense was the increase in volume and rates of brokered and internet time deposits. Average brokered and internet time deposits increased $18.1 million from $84.1 during the three months ended March 31, 2018 to $102.2 during the three months ended March 31, 2019. This increased volume in brokered and internet time deposits is due to the purchase of $53.9 million of brokered deposits during the third quarter of 2018 to lower funding costs by swapping FHLB borrowings with lower cost brokered time deposits. The result was an overall increase in time deposit interest expense of 103 basis points to 2.04% during the three months ended March 31, 2019. The overall growth of our deposits came with a higher cost of total deposits of 1.14% for the three months ended March 31, 2019 compared to 0.55% for the three months ended March 31, 2018.

Offsetting the increase in total deposit interest expense was a decrease in interest expense on total borrowings, which decreased $0.3 million to $1.1 million during the three months ended March 31, 2019 compared to $1.3 million during the three months ended March 31, 2018. This decrease was primarily driven by decreased volume, partially offset by increased rates on FHLB advances. The cost of total borrowings increased to 2.62% for the three months ended March 31, 2019 from 2.12% for the three months ended March 31, 2018. Average FHLB advances decreased $93.9 million to $117.9 million for the three months ended March 31, 2019 compared to $211.7 million for the three months ended March 31, 2018. This decrease in average FHLB advances was primarily due to the swapping of FHLB advances with lower-cost time deposit products. For more information about our borrowings, refer to the discussion in this section under the heading “Financial condition: Borrowed funds.”

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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.

	Three Months Ended March 31,
	2019							2018
(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
Interest-earning assets:
Loans(2)(4)	$	3,720,739		$	57,909	6.31	%	$	3,192,490		$	46,564	5.92	%
Loans held for sale	216,227			2,581		4.84	%	434,573			4,173		3.89	%
Securities:
Taxable	518,504			3,569		2.79	%	457,826			2,852		2.53	%
Tax-exempt(4)	138,847			1,547		4.52	%	109,116			1,251		4.65	%
Total Securities(4)	657,351			5,116		3.16	%	566,942			4,103		2.94	%
Federal funds sold	18,392			123		2.71	%	20,325			73		1.46	%
Interest-bearing deposits with other financial institutions	75,291			446		2.40	%	35,463			165		1.89	%
FHLB stock	13,432			203		6.13	%	11,806			140		4.81	%
Total interest earning assets(4)	4,701,432			66,378		5.73	%	4,261,599			55,218		5.25	%
Noninterest Earning Assets:
Cash and due from banks	50,218							43,261
Allowance for loan losses	(29,537		)					(24,311		)
Other assets(3)	452,805							397,945
Total noninterest earning assets	473,486							416,895
Total assets	$	5,174,918						$	4,678,494
Interest-bearing liabilities:
Interest-bearing deposits:
Interest-bearing checking	$	878,167		$	2,054	0.95	%	$	943,707		$	1,357	0.58	%
Money market	1,073,170			3,956		1.49	%	975,831			1,890		0.79	%
Savings deposits	176,305			68		0.16	%	179,925			68		0.15	%
Customer time deposits	1,045,204			5,281		2.05	%	617,784			1,423		0.93	%
Brokered and internet time deposits	102,188			496		1.97	%	84,125			333		1.61	%
Time deposits	1,147,392			5,777		2.04	%	701,909			1,756		1.01	%
Total interest-bearing deposits	3,275,034			11,855		1.47	%	2,801,372			5,071		0.73	%
Other interest-bearing liabilities:
Securities sold under agreements to repurchase and federal funds purchased	15,319			35		0.93	%	15,160			25		0.67	%
Federal Home Loan Bank advances	117,875			634		2.18	%	211,735			917		1.76	%
Subordinated debt	30,930			393		5.15	%	30,930			406		5.32	%
Total other interest-bearing liabilities	164,124			1,062		2.62	%	257,825			1,348		2.12	%
Total interest-bearing liabilities	3,439,158			12,917		1.52	%	3,059,197			6,419		0.85	%
Noninterest-bearing liabilities:
Demand deposits	955,156							927,213
Other liabilities	96,059							92,886
Total noninterest-bearing liabilities	1,051,215							1,020,099
Total liabilities	4,490,373							4,079,296
Shareholders' equity	684,545							599,198
Total liabilities and shareholders' equity	$	5,174,918						$	4,678,494
Net interest income (tax-equivalent basis)				$	53,461						$	48,799
Interest rate spread (tax-equivalent basis)						4.21	%						4.40	%
Net interest margin (tax-equivalent basis)(5)						4.61	%						4.64	%
Cost of total deposits						1.14	%						0.55	%
Average interest-earning assets to average interest-bearing liabilities						136.7	%						139.3	%

(1) Calculated using daily averages.

(2) Average balances of nonaccrual loans are included in average loan balances. Loan fees of $3.8 million and $2.9 million, accretion of $1.8 million and $1.7 million, nonaccrual interest collections of $0.1 million and $0.4 million, and syndicated loan fees of $0.2 million and $0.1 million are included in interest income in the three months ended March 31, 2019 and 2018, respectively.

(3) Includes investments in premises and equipment, other real estate owned, 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 $0.4 million for the three months ended March 31, 2019 and 2018.

(5) The NIM is calculated by dividing annualized net interest income, on a tax-equivalent basis, by average total earning assets.

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Rate/volume analysis

The table below presents the components of the changes in net interest income for the three months ended March 31, 2019 and 2018. 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.

Three months ended March 31, 2019 compared to three months ended March 31, 2018

	Three Months Ended March 31, 2019 compared to Three Months Ended March 31, 2018 due to changes in
(dollars in thousands on a tax-equivalent basis)	Volume			Rate			Net increase (decrease)
Interest-earning assets:
Loans(1)(2)	$	8,222		$	3,123		$	11,345
Loans held for sale	(2,606		)	1,014			(1,592		)
Securities available for sale and other securities:
Taxable	418			299			717
Tax Exempt(2)	331			(35		)	296
Federal funds sold and balances at Federal Reserve Bank	(13		)	63			50
Time deposits in other financial institutions	236			45			281
FHLB stock	25			38			63
Total interest income(2)	6,612			4,548			11,160
Interest-bearing liabilities:
Interest-bearing checking	(153		)	850			697
Money market	359			1,707			2,066
Savings deposits	(1		)	1			—
Customer time deposits	2,160			1,698			3,858
Brokered and internet time deposits	88			75			163
Securities sold under agreements to repurchase and federal funds purchased	—			10			10
Federal Home Loan Bank advances	(505		)	222			(283		)
Subordinated debt	—			(13		)	(13		)
Total interest expense	1,948			4,550			6,498
Change in net interest income(2)	$	4,664		$	(2	)	$	4,662

(1) Average loans are gross, including nonaccrual loans and overdrafts (before deduction of allowance for loan losses). Loan fees of $3.8 million and $2.9 million and accretion of $1.8 million and $1.7 million, nonaccrual interest collections of $0.1 million and $0.4 million, and syndicated loan fee income of $0.2 million and $0.1 million are included in interest income for the three months ended March 31, 2019 and 2018, 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 $11.3 million increase in loans held for investment tax-equivalent interest income during three months ended March 31, 2019 compared to three months ended March 31, 2018 was the primary driver of the $4.7 million increase in net interest income. The increase in loan interest income was primarily driven by an increase in average loans held for investment of $528.2 million, or 16.5%, to $3.72 billion for the three months ended March 31, 2019, as compared to $3.19 billion for the three months ended March 31, 2018, which was largely attributable to strong loan growth and continued favorable economic conditions in many of our markets. The increase in loan income was partially offset by an increase in interest expense of $6.5 million due to an overall increase in rates and increased volume of customer time deposits.

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.

Three months ended March 31, 2019 compared to three months ended March 31, 2018

Our provision for loan losses for the three months ended March 31, 2019 was $1.4 million as compared to $0.3 million for the three months ended March 31, 2018. The increase is primarily attributable to our loan growth and also includes $0.4 million of subsequent deterioration on PCI loans during the three months ended March 31, 2019. Net charge-offs for the three months ended March 31, 2019 were $0.5 million compared with net recoveries in the previous year of $48.0 thousand.

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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, investment services and trust income, gains and losses on securities, other real estate owned and other assets and other miscellaneous noninterest income.

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

	Three Months Ended March 31,
(dollars in thousands)	2019			2018
Mortgage banking income	$	21,021		$	26,471
Service charges on deposit accounts	2,079			1,959
ATM and interchange fees	2,656			2,361
Investment services and trust income	1,295			1,206
Gain (loss) from securities, net	43			(47		)
Loss on sales or write-downs of other real estate owned	(39		)	(186		)
Gain from other assets	191			68
Other	1,793			1,443
Total noninterest income	$	29,039		$	33,275

Three months ended March 31, 2019 compared to three months ended March 31, 2018

Noninterest income was $29.0 million for the three months ended March 31, 2019, a decrease of $4.2 million, or 12.7%, as compared to $33.3 million for the three months ended March 31, 2018. Noninterest income to average assets (excluding any gains or losses from sale of securities) was 2.3% in the three months ended March 31, 2019 as compared to 2.9% in the three months ended March 31, 2018.

Mortgage banking income primarily includes origination fees on mortgage loans including fees and realized gains and losses on the sale of mortgage loans, unrealized change in fair value of mortgage loans and derivatives, and mortgage servicing fees. Mortgage banking income is initially driven by the recognition of interest rate lock commitments (IRLCs) at fair value at inception of the IRLCs. This is subsequently adjusted for changes in the overall interest rate environment offset by derivative contracts entered into to offset the interest rate exposure. Upon sale of the loan, the net fair value gain is reclassified as a realized gain on sale. Mortgage banking income was $21.0 million and $26.5 million for the three months ended March 31, 2019 and 2018, respectively.

During the three months ended March 31, 2019, the Bank’s mortgage operations had sales of $966.2 million which generated a sales margin of 1.65%. This compares to $1,682.8 million and 1.40% for the three months ended March 31, 2018. Mortgage banking income from gains on sale and related fair value changes amount to $18.2 million during the three months ended March 31, 2019 compared to $23.4 million for the same period in the previous year. This activity was driven by a decrease in interest rate lock volume of $763.5 million, or 35.9%, to $1,364.8 million for the three months ended March 31, 2019 due to overcapacity and slow-down of the mortgage market and overall compressing margins. Changes in market conditions have also shifted the mix of interest rate lock commitments by purpose to 57.7% purchase for the three months ended March 31, 2019 from 58.3% for the same period in the prior year.

The continued challenges experienced across the mortgage industry resulting from the rising rate environment, increasing regulatory pressure and capital requirements have led to a strategic realignment of our mortgage business. On April 1, 2019, the Company announced plans to sell its TPO and Correspondent mortgage delivery channels.  These channels have historically been our lowest margin channels.  Our retail and consumer direct channels, which have historically yielded more consistent and predictable financial results, will be maintained going forward.  The exit of these channels is expected to provide regulatory capital relief resulting from capitalization of MSRs and also produce lower overall interest rate lock commitment volume and consequently, mortgage banking income than produced historically.  We incurred mortgage restructuring and other related costs of $1.1 million during the three months ended March 31, 2019 and anticipate up to $2.5 million related to the divestiture over the first half of 2019. 

Income from mortgage servicing was $4.8 million and $4.8 million for the three months ended March 31, 2019 and 2018, respectively, offset by a decline in fair value on MSRs and related hedging activity of $1.9 million and $1.7 million in the three months ended March 31, 2019 and 2018, respectively.

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The components of mortgage banking income for the March 31, 2019 and 2018 were as follows:

	Three Months Ended March 31,
(in thousands)	2019			2018
Mortgage banking income:
Origination and sales of mortgage loans	$	15,907		$	23,481
Net change in fair value of loans held for sale and derivatives	2,244			(90		)
Change in fair value on MSRs	(1,881		)	(1,713		)
Mortgage servicing income	4,751			4,793
Total mortgage banking income	$	21,021		$	26,471
Interest rate lock commitment volume by line of business:
Consumer direct	$	521,603		$	719,040
Third party origination (TPO)	170,529			245,679
Retail	291,800			329,720
Correspondent	380,854			833,857
Total	$	1,364,786		$	2,128,296
Interest rate lock commitment volume by purpose (%):
Purchase	57.7		%	58.3		%
Refinance	42.3		%	41.7		%
Mortgage sales	$	966,224		$	1,682,818
Mortgage sale margin	1.65		%	1.40		%
Closing volume	$	932,125		$	1,617,103
Outstanding principal balance of mortgage loans serviced	$	5,221,109		$	7,423,932

Mortgage banking income attributable to our Banking segment from retail operations within the Bank footprint was $4.4 million and $6.1 million for the three months ended March 31, 2019 and 2018, respectively, and mortgage banking income attributable to our Mortgage segment was $16.6 million and $20.4 million for the three months ended March 31, 2019 and 2018, 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 $2.1 million, a increase of $0.1 million, or 6.1%, for the three months ended March 31, 2019, compared to $2.0 million for the three months ended March 31, 2018. This increase is attributable to our 13.5%growth in average deposits.

ATM and interchange fees include debit card interchange, ATM and other consumer fees. These fees increased $0.3 million to $2.7 million during the three months ended March 31, 2019 as compared to $2.4 million for the three months ended March 31, 2018. This increase is also attributable to our growth in deposits and increased volume of transactions.

Investment services and trust income includes fees for discretionary portfolio management and trust administration for individuals and businesses. Investment services and trust income increased $0.1 million during the three months ended March 31, 2019 to $1.3 million compared to $1.2 million for the three months ended March 31, 2018.

Gain on securities for the three months ended March 31, 2019 was $43 thousand compared to a loss on securities for the three months ended March 31, 2018 of $47 thousand. Activity is typically driven by sales activity within our available-for-sale securities portfolio in addition to change in fair value of equity securities with readily determinable market values. Sales activity is attributable to management taking advantage of portfolio structuring opportunities to maintain comparable interest rates and maturities and to fund current loan growth in addition to overall asset liability management. The gain in the three months ended March 31, 2019 is primarily related a net gain of $49 thousand related to changes in fair value of equity securities with readily determinable fair values. The loss for the three months ended 2018 includes a $38 thousand charge for decline in fair value on equity securities with readily determinable fair values.

Net loss on sales or write-downs of other real estate owned for the three months ended March 31, 2019 was $39 thousand compared to $0.2 million for the three months ended March 31, 2018. This change was the result of specific sales and valuation transactions of other real estate.

Gain on other assets includes sales of repossessed assets and other miscellaneous sales in addition to any identified impairment during the period. Net gain on other assets for the three months ended March 31, 2019 was $0.2 million compared to $0.1 million for the three months ended March 31, 2018.

Other noninterest income for the three months ended March 31, 2019 increased $0.4 million to $1.8 million as compared to other noninterest income of $1.4 million for the three months ended March 31, 2018,related to our overall growth and increased loan servicing fees.

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Noninterest expense

Our noninterest expense includes primarily salaries and employee benefits expense, occupancy expense, legal and professional fees, data processing expense, regulatory fees and deposit insurance assessments, advertising and promotion 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:

	Three Months Ended March 31,
(dollars in thousands)	2019		2018
Salaries, commissions and employee benefits	$	33,697	$	34,027
Occupancy and equipment expense	3,730		3,424
Legal and professional fees	1,725		2,043
Data processing	2,384		2,035
Merger costs	621		1,193
Amortization of core deposit and other intangibles	729		853
Regulatory fees and deposit insurance assessments	592		562
Software license and maintenance fees	472		657
Advertising	2,737		3,282
Other expense	8,414		8,075
Total noninterest expense	$	55,101	$	56,151

Three months ended March 31, 2019 compared to three months ended March 31, 2018

Noninterest expense decreased by $1.1 million during the three months ended March 31, 2019 to $55.1 million as compared to $56.2 million in the three months ended March 31, 2018. This decrease resulted primarily from the $0.5 million decrease in advertising expense and a $0.6 decline in merger and conversion expenses.

Salaries, commissions and employee benefits expense was the largest component of noninterest expenses representing 61.2% and 60.6% of total noninterest expense in the three months ended March 31, 2019 and 2018, respectively. During the three months ended March 31, 2019, salaries and employee benefits expense decreased $0.3 million, or 1.0%, to $33.7 million as compared to $34.0 million for the three months ended March 31, 2018. The number of full-time equivalent employees decreased 1.4% to 1,363 employees at March 31, 2019 from 1,383 employees at March 31, 2018 due to a reduction of mortgage operations personnel. This decrease in mortgage personnel resulted in a $2.7 million decrease in mortgage salaries, commissions and employee benefits expense during the three months ended March 31, 2019 compared to same period for 2018.

Salaries and employee benefits expense also reflects $1.6 million and $2.0 million accrued for equity compensation grants during the three months ended March 31, 2019 and 2018, respectively. These grants comprise restricted stock units that were granted in conjunction with our 2016 IPO to all full-time associates and extended to new associates each year, in addition to an accrual related to annual stock-based performance grants.

Occupancy and equipment expense includes fees related to leased property operations and repairs and maintenance. Occupancy and equipment expense in the three months ended March 31, 2019 was $3.7 million, an increase of $0.3 million, compared to $3.4 million for the three months ended March 31, 2018, which was attributable to an increase in lease costs and property taxes.

Legal and professional fees were $1.7 million for the three months ended March 31, 2019 as compared to $2.0 million for the three months ended March 31, 2018. The decrease in legal and professional fees is related to a decrease of $0.2 million in litigation expense.

Data processing costs increased $0.3 million, or 17.1%, to $2.4 million for the three months ended March 31, 2019 from $2.0 million for the three months ended March 31, 2018. The increase for the three months ended March 31, 2019 was attributable to our growth and volume of transaction processing.

Merger costs amounted to $0.6 million for the three months ended March 31, 2019 compared to $1.2 million for the three months ended March 31, 2018. Merger costs during the three months ended March 31, 2019 include costs associated with our ACBI branch acquisition that was completed during the second quarter of 2019. We expect to incur up to an additional $4.4 million related to the closing of the ACBI branch transaction. Merger costs for the three months ended March 31, 2018 related to the merger with the Clayton Banks that closed on July 31, 2017.

Amortization of core deposits and other intangibles represents amortization of core deposits acquired through previous acquisitions and other miscellaneous intangibles. Amortization of core deposit and other intangible assets totaled $0.7 million

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for the three months ended March 31, 2019 compared to $0.9 million for the three months ended March 31, 2018. The Company amortizes the core deposit intangibles under sum of the years digits method, which amortizes the asset more heavily at the beginning of its estimated useful life and reduces over time.

Regulatory fees and deposit insurance assessments remained flat during the three months ended March 31, 2019 at $0.6 million compared to $0.6 for the three months ended March 31, 2018.

Software license and maintenance fees for the three months ended March 31, 2019 were $0.5 million compared to $0.7 million for the three months ended March 31, 2018.

Advertising costs for the three months ended March 31, 2019 were $2.7 million, a decrease of $0.5 million compared to $3.3 million for the three months ended March 31, 2018. The decrease is attributable to decreased advertising in mortgage.

Other noninterest expense for the three months ended March 31, 2019 was $8.4 million, an increase of $0.3 million from the three months ended March 31, 2018. This increase includes mortgage restructuring charges of $1.1 million offset by a decline in miscellaneous other expenses.

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, losses and expenses we do not consider core to our business.

Our efficiency ratio was 67.2% and 68.7% for the three months ended March 31, 2019 and 2018, respectively. Our adjusted efficiency ratio, on a tax-equivalent basis, was 64.9% and 66.8% for the three months ended March 31, 2019 and 2018, respectively. See “GAAP reconciliation and management explanation of non-GAAP financial measures” in this Report 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:

	Three Months Ended March 31,				Year Ended December 31,
	2019		2018		2018
Return on average total assets	1.54	%	1.71	%	1.66	%
Return on average shareholders' equity	11.6	%	13.4	%	12.7	%
Dividend payout ratio	13.0	%	—	%	7.9	%
Average shareholders’ equity to average assets	13.2	%	12.8	%	13.0	%

Income tax

Income tax expense was $6.0 million and $5.5 million for the three months ended March 31, 2019 and 2018, respectively. This represents effective tax rates of 23.4% and 21.7% for the three months ended March 31, 2019 and 2018, respectively. The primary differences from the enacted rates are applicable state income taxes reduced for non-taxable income and additional deductions for equity-based compensation upon the distribution of RSUs.

Financial condition

The following discussion of our financial condition compares the three months ended March 31, 2019 with the year ended December 31, 2018.

Total assets

Our total assets were $5.34 billion at March 31, 2019.  This compares to total assets of $5.14 billion as of December 31, 2018. This increase was largely attributable to an increase of $119.3 million in loans held for investment driven by strong demand for our loan products in our markets and the success of our growth initiatives. The growth was partially offset by a $30.8 million decrease in loans held for sale, reflecting the decline in the mortgage market.

Loan portfolio

Our loan portfolio is our most significant earning asset, comprising 71.0% and 71.4% of our total assets as of March 31,2019 and December 31, 2018, respectively. Our strategy is to grow our loan portfolio by originating quality commercial and consumer

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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, “Participated loans”). At March 31,2019 and December 31, 2018, loans held for investment included approximately $97.5 million and $88.8 million, respectively, related to participated loans. Currently, our loan portfolio is diversified relative to industry concentrations across the various loan portfolio categories. At March 31, 2019 and December 31, 2018, 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.

Loans

Loans increased $119.3 million, or 3.3%, to $3.79 billion as of March 31, 2019 as compared to $3.67 billion as of December 31, 2018. Our loan growth during the three months ended March 31, 2019 has been composed of increases of $21.3 million, or 2.5%, in commercial and industrial loans, $5.6 million, or 1.1%, in owner occupied commercial real estate loans, $116.6 million, or 16.7%, in non-owner occupied commercial real estate loans, and $3.3 million, or 1.5%, in consumer and other loans, respectively. These increases were offset by decreases of $17.0 million, or 3.1%, in construction loans and $10.6 million, or 1.3%, in residential real estate loans. The increase in loans during the three months ended March 31, 2019 is attributable 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:

	March 31, 2019				December 31, 2018
(dollars in thousands)	Amount		% of total		Amount		% of total
Loan Type:
Commercial and industrial	$	888,345	23	%	$	867,083	24	%
Construction	539,065		14	%	556,051		15	%
Residential real estate:
1-to-4 family	552,239		15	%	555,815		16	%
Line of credit	187,415		5	%	190,480		5	%
Multi-family	71,532		2	%	75,457		2	%
Commercial real estate:
Owner-Occupied	499,123		13	%	493,524		13	%
Non-Owner Occupied	816,880		22	%	700,248		19	%
Consumer and other	232,192		6	%	228,853		6	%
Total loans	$	3,786,791	100	%	$	3,667,511	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 March 31, 2019 and December 31, 2018, there were no concentrations of loans exceeding 10% of loans other than the categories of loans disclosed in the table above.

Banking regulators have established thresholds of less than 100% for concentrations in construction lending and less than 300% for concentrations in commercial real estate lending that management monitors as part of the risk management process. The construction concentration ratio is a percentage of the outstanding construction and land development loans to total risk-based capital. The commercial real estate concentration ratio is a percentage of the outstanding balance of non-owner occupied commercial real estate, multifamily, and construction and land development loans to total risk-based capital. Management strives to operate within the thresholds set forth above. When a company's ratios are in excess of one or both of these guidelines, banking regulators generally require an increased level of monitoring in these lending areas by management.

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The table below shows concentration ratios for the Bank and Company as of March 31, 2019 and December 31, 2018, which both were within the stated thresholds.

	As a percentage (%) of risk based capital
	FirstBank		FB Financial Corporation
March 31, 2019
Construction	91.1	%	88.3	%
Commercial real estate	241.5	%	233.9	%
December 31, 2018
Construction	99.1	%	95.4	%
Commercial real estate	237.5	%	228.6	%

Loan categories

The principal categories of our loans held for investment portfolio are discussed below:

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 March 31, 2019, our commercial and industrial loans comprised $888.3 million, or 23% of loans, compared to $867.1million, or 24% of loans, as of December 31, 2018.

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 March 31, 2019, our owner occupied commercial real estate loans comprised $499.1 million, or 13% of loans, compared to $493.5 million, or 13%, of loans, as of December 31, 2018.

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 March 31, 2019, our non-owner occupied commercial real estate loans comprised $816.9 million, or 22%, of loans, compared to $700.2 million, or 19% of loans, as of December 31, 2018.

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 March 31, 2019, our residential real estate mortgage loans comprised $552.2 million, or 15% of loans, compared to $555.8 million, or 16%, of loans as of December 31, 2018.

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 March 31, 2019 comprised $187.4 million or 5% of loans compared to $190.5 million, or 5%, of loans as of December 31, 2018.

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

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deteriorating market values of real estate. Our multifamily loans as of March 31, 2019 comprised $71.5 million, or 2% of loans, compared to $75.5 million, or 2%, of loans as of December 31, 2018.

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 March 31, 2019, our construction loans comprised $539.1 million, or 14% of loans compared to $556.1million, or 15%of loans as of December 31, 2018.

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 March 31, 2019, our consumer and other loans comprised $232.2 million, or 6% of loans, compared to $228.9 million, or 6% of loans as of December 31, 2018.

Loan maturity and sensitivities

The following tables present the contractual maturities of our loan portfolio as of March 31, 2019 and December 31, 2018. 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 March 31, 2019
Commercial and industrial	$	307,926		$	473,169		$	107,250		$	888,345
Commercial real estate:
Owner occupied	75,168			268,530			155,425			499,123
Non-owner occupied	110,070			468,283			238,527			816,880
Residential real estate:
1-to-4 family	53,704			221,673			276,862			552,239
Line of credit	7,353			40,357			139,705			187,415
Multi-family	2,599			32,026			36,907			71,532
Construction	228,866			241,710			68,489			539,065
Consumer and other	32,534			52,210			147,448			232,192
Total ($)	$	818,220		$	1,797,958		$	1,170,613		$	3,786,791
Total (%)	21.6		%	47.5		%	30.9		%	100.0		%

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, 2018
Commercial and industrial	$	316,253		$	442,720		$	108,110		$	867,083
Commercial real estate:
Owner occupied	82,141			296,303			115,080			493,524
Non-owner occupied	92,418			345,241			262,589			700,248
Residential real estate:
1-to-4 family	55,553			223,346			276,916			555,815
Line of credit	10,382			41,024			139,074			190,480
Multi-family	2,226			18,706			54,525			75,457
Construction	233,108			256,079			66,864			556,051
Consumer and other	31,580			52,516			144,757			228,853
Total ($)	$	823,661		$	1,675,935		$	1,167,915		$	3,667,511
Total (%)	22.5		%	45.7		%	31.8		%	100.0		%

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For loans due after one year or more, the following tables present the sensitivities to changes in interest rates as of March 31, 2019 and December 31, 2018:

Loan type (dollars in thousands)	Fixed interest rate(1)			Floating interest rate			Total
As of March 31, 2019
Commercial and industrial	$	209,242		$	371,177		$	580,419
Commercial real estate:
Owner occupied	340,321			83,634			423,955
Non-owner occupied	288,169			418,641			706,810
Residential real estate:
1-to-4 family	445,039			53,496			498,535
Line of credit	717			179,345			180,062
Multi-family	54,134			14,799			68,933
Construction	84,983			225,216			310,199
Consumer and other	193,316			6,342			199,658
Total ($)	$	1,615,921		$	1,352,650		$	2,968,571
Total (%)	54.4		%	45.6		%	100.0		%

(1) Included in fixed interest rates are loans totaling $23.8 million at March 31, 2019, in which the Company has entered into variable rate swap contracts.

Loan type (dollars in thousands)	Fixed interest rate(1)			Floating interest rate			Total
As of December 31, 2018
Commercial and industrial	$	195,589		$	355,241		$	550,830
Commercial real estate:
Owner occupied	346,356			65,027			411,383
Non-owner occupied	289,990			317,840			607,830
Residential real estate:
1-to-4 family	468,048			32,214			500,262
Line of credit	25,196			154,902			180,098
Multi-family	69,301			3,930			73,231
Construction	121,451			201,492			322,943
Consumer and other	193,115			4,158			197,273
Total ($)	$	1,709,046		$	1,134,804		$	2,843,850
Total (%)	60.1		%	39.9		%	100.0		%

(1) Included in fixed interest rates are loans totaling $39.9 million at December 31, 2018, in which the Company has entered into variable rate swap contracts.

The following table presents the contractual maturities of our loan portfolio segregated into fixed and floating interest rate loans as of March 31, 2019 and December 31, 2018:

(dollars in thousands)	Fixed interest rate(1)			Floating interest rate			Total
As of March 31, 2019
One year or less	$	328,574		$	489,646		$	818,220
One to five years	972,379			825,579			1,797,958
More than five years	643,542			527,071			1,170,613
Total ($)	$	1,944,495		$	1,842,296		$	3,786,791
Total (%)	51.3		%	48.7		%	100.0		%

(1) Included in fixed interest rates are loans totaling $23.8 million at March 31, 2019, in which the Company has entered into variable interest rate swap contracts.

(dollars in thousands)	Fixed interest rate(1)			Floating interest rate			Total
As of December 31, 2018
One year or less	$	346,928		$	476,733		$	823,661
One to five years	993,441			682,494			1,675,935
More than five years	715,605			452,310			1,167,915
Total ($)	$	2,055,974		$	1,611,537		$	3,667,511
Total (%)	56.1		%	43.9		%	100.0		%

(1) Included in fixed interest rates are loans totaling $39.9 million at December 31, 2018, in which the Company has entered into variable interest rate swap contracts.

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Of the loans shown above with floating interest rates totaling $1,842.3 million as of March 31, 2019, 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 March 31, 2019
Loans with current rates above floors	$	186,007	$	—	$	198,362	$	—	$	264,953	$	—
Loans with current rates below floors:
1-25 bps	32,198		0.48		58,454		1.44		27,464		2.81
26-50 bps	1,244		49.59		3,182		46.89		28,946		38.82
51-75 bps	26		68.27		7,205		68.62		9,860		56.74
76-100 bps	19		100.00		3,339		100.00		7,096		78.65
101-125 bps	3		125.00		37		112.24		41		109.00
126-150 bps	—		—		—		—		226		147.71
151-200 bps	2,197		200.00		12,055		151.30		108		176.57
200-250 bps	—		—		9		250.00		—		—
251 bps and above	588		850.00		—		—		81		263.00
Total loans with current rates below floors	$	36,275	$	10.66	$	84,281	$	10.23	$	73,822	$	7.07

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, including extensions or interest rate modifications, to help a borrower with a deteriorating financial condition stay current on their loan and to avoid foreclosure. Furthermore, we are committed to collecting on all of our loans and which can result in us carrying higher nonperforming assets. We believe this practice leads to higher recoveries in the long-term.

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 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 March 31, 2019 or December 31, 2018 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.

As of March 31, 2019 and December 31, 2018, we had $30.4 million and $31.4 million, respectively, in nonperforming assets. As of March 31, 2019 and December 31, 2018, other real estate owned included $5.4 million and $5.4 million, respectively, of excess land and facilities resulting from the merger with the Clayton Banks that is held for sale. Other nonperforming assets, including other repossessed non-real estate, as of March 31, 2019and December 31, 2018 amounted to $1.8 million and $1.6 million, respectively.

If our nonperforming assets would have been current during the three months ended March 31, 2019 and 2018, we would have recorded an additional income of $0.4 million and $0.1 million, respectively. We had net interest recoveries of $0.1 million and $0.4 million for the three months ended March 31, 2019 and 2018, 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 loans and other real estate owned to total assets as of the dates presented, and certain other related information:

	As of March 31,						As of December 31,
(dollars in thousands)	2019			2018			2018
Loan Type
Commercial and industrial	$	379		$	1,529		$	503
Construction	275			789			283
Residential real estate:
1-to-4 family mortgage	3,755			3,076			3,441
Residential line of credit	1,460			726			1,761
Multi-family mortgage	—			—			—
Commercial real estate:
Owner occupied	1,788			1,903			2,620
Non-owner occupied	7,030			1,219			6,962
Consumer and other	919			401			1,156
Total nonperforming loans held for investment	15,606			9,643			16,726
Loans held for sale	196			501			397
Other real estate owned	12,828			15,334			12,643
Other	1,779			2,342			1,637
Total nonperforming assets	$	30,409		$	27,820		$	31,403
Total nonperforming loans held for investment as a percentage of total loans held for investment	0.41		%	0.30		%	0.46		%
Total nonperforming assets as a percentage of total assets	0.57		%	0.59		%	0.61		%
Total accruing loans over 90 days delinquent as a percentage of total assets	0.04		%	0.06		%	0.06		%
Loans restructured as troubled debt restructurings	$	8,953		$	8,675		$	6,794
Troubled debt restructurings as a percentage of total loans held for investment	0.24		%	0.27		%	0.19		%

Total nonperforming loans as a percentage of loans were 0.41% as of March 31, 2019 as compared to 0.46% as of December 31, 2018. Our coverage ratio, or our allowance for loan losses as a percentage of our nonperforming loans, was 191.0% as of March 31, 2019 as compared to 173.0% as of December 31, 2018.

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 March 31, 2019. Management also continually monitors past due loans for potential credit quality deterioration. Loans 30-89 days past due were $9.0 million at March 31, 2019, as compared to $9.2 million at December 31, 2018.

Under acquisition accounting rules, acquired loans were recorded at their estimated fair value at acquisition. We recorded the loan portfolio acquired from the Clayton Banks at fair value as of the July 31, 2017 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; however, as of March 31, 2019, the allowance included $1.3 million in reserves related to subsequent deterioration since the acquisition date.

Other real estate owned consists of properties acquired through foreclosure or acceptance of a deed in lieu of foreclosure in addition to excess 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 “(Loss) gain on sales or write-downs of other real estate owned” in the accompanying consolidated statements of income. Other real estate owned with a cost basis of $0.9 million were sold as of three months ended March 31, 2019, resulting in a net loss of $39 thousand. Other real estate owned with a cost basis of $1.4 million were sold during the three months ended March 31, 2018, resulting in a net gain of $0.2 million.

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

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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 $60.7 million and $66.5 million were classified as substandard under our policy at March 31, 2019 and December 31, 2018, respectively. As of March 31, 2019 and December 31, 2018, $18.6 million and $22.3 million of substandard loans were purchased credit impaired in connection with our mergers and acquisitions. The following table sets forth information related to the credit quality of our loan portfolio at March 31, 2019 and December 31, 2018.

Loan type (dollars in thousands)	Pass		Watch		Substandard		Total
As of March 31, 2019
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	830,017	$	49,599	$	7,418	$	887,034
Construction	528,421		4,717		1,320		534,458
Residential real estate:
1-to-4 family mortgage	519,688		6,046		8,433		534,167
Residential line of credit	183,448		1,337		2,630		187,415
Multi-family mortgage	71,460		72		—		71,532
Commercial real estate:
Owner occupied	463,724		15,857		13,566		493,147
Non-owner occupied	785,933		10,301		7,109		803,343
Consumer and other	208,442		2,982		1,707		213,131
Total loans, excluding purchased credit impaired loans	$	3,591,133	$	90,911	$	42,183	$	3,724,227
Purchased credit impaired loans
Commercial and industrial	$	—	$	828	$	483	$	1,311
Construction	—		3,719		888		4,607
Residential real estate:
1-to-4 family mortgage	—		13,644		4,428		18,072
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,080		1,896		5,976
Non-owner occupied	—		5,608		7,929		13,537
Consumer and other	—		16,122		2,939		19,061
Total purchased credit impaired loans	$	—	$	44,001	$	18,563	$	62,564
Total loans	$	3,591,133	$	134,912	$	60,746	$	3,786,791

Loan type (dollars in thousands)	Pass		Watch		Substandard		Total
As of December 31, 2018
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	804,447	$	52,624	$	8,564	$	865,635
Construction	543,953		5,012		1,331		550,296
Residential real estate:
1-to-4 family mortgage	519,541		8,697		8,200		536,438
Residential line of credit	186,753		1,039		2,688		190,480
Multi-family mortgage	75,381		76		—		75,457
Commercial real estate:
Owner occupied	456,694		16,765		14,049		487,508
Non-owner occupied	667,447		8,881		7,654		683,982
Consumer and other	204,279		2,763		1,674		208,716
Total loans, excluding purchased credit impaired loans	$	3,458,495	$	95,857	$	44,160	$	3,598,512
Purchased credit impaired loans
Commercial and industrial	$	—	$	964	$	484	$	1,448
Construction	—		3,229		2,526		5,755
Residential real estate:
1-to-4 family mortgage	—		14,681		4,696		19,377
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,110		1,906		6,016
Non-owner occupied	—		8,266		8,000		16,266
Consumer and other	—		15,422		4,715		20,137
Total purchased credit impaired loans	$	—	$	46,672	$	22,327	$	68,999
Total loans	$	3,458,495	$	142,529	$	66,487	$	3,667,511

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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 Company’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 $29.8 million and $28.9 million and represented 0.79% and 0.79% of loans held for investment at March 31, 2019 and December 31, 2018, respectively.

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

	March 31, 2019				December 31, 2018
(dollars in thousands)	Amount		% of loans		Amount		% of loans
Loan Type:
Commercial and industrial	$	5,514	23	%	$	5,348	24	%
Construction	9,758		14	%	9,729		15	%
Residential real estate:
1-to-4 family mortgage	3,295		15	%	3,428		16	%
Residential line of credit	731		5	%	811		5	%
Multi-family mortgage	539		2	%	566		2	%
Commercial real estate:
Owner occupied	3,098		13	%	3,132		13	%
Non-owner occupied	4,583		22	%	4,149		19	%
Consumer and other	2,296		6	%	1,769		6	%
Total allowance	$	29,814	100	%	$	28,932	100	%

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

	Three Months Ended March 31,						Year Ended December 31,
(dollars in thousands)	2019			2018			2018
Allowance for loan loss at beginning of period	$	28,932		$	24,041		$	24,041
Charge-offs:
Commercial and industrial	(179		)	(220		)	(898		)
Construction	—			—			(29		)
Residential real estate:
1-to-4 family mortgage	(81		)	(60		)	(138		)
Residential line of credit	(32		)	(20		)	(36		)
Multi-family mortgage	—			—			—
Commercial real estate:
Owner occupied	—			—			(91		)
Non-owner occupied	—			—			—
Consumer and other	(579		)	(361		)	(1,613		)
Total charge-offs	$	(871	)	$	(661	)	$	(2,805	)
Recoveries:
Commercial and industrial	12			135			390
Construction	1			252			1,164
Residential real estate:
1-to-4 family mortgage	13			15			171
Residential line of credit	25			27			178
Multi-family mortgage	—			—			—
Commercial real estate:
Owner occupied	87			23			143
Non-owner occupied	—			51			51
Consumer and other	224			206			550
Total recoveries	$	362		$	709		$	2,647
Net (charge-offs) recoveries	(509		)	48			(158		)
Provision for loan losses	1,391			317			5,398
Adjustments for transfers to loans HFS(1)	—			—			(349		)
Allowance for loan loss at the end of period	$	29,814		$	24,406		$	28,932
Ratio of net (charge-offs) recoveries during the period to average loans outstanding during the period	(0.06		)%	0.01		%	—		%
Allowance for loan loss as a percentage of loans at end of period	0.79		%	0.75		%	0.79		%
Allowance of loan loss as a percentage of nonperforming loans	191.0		%	253.1		%	173.0		%

(1) See Note 1. Basis of Presentation for discussion regarding this adjustment.

Mortgage loans held for sale

Mortgage loans held for sale were $248.1 million at March 31, 2019 compared to $278.8 million at December 31, 2018. Interest rate lock volume for the three months ended March 31, 2019 and 2018 totaled $1,364.8 million and $2,129.0 million, respectively. Generally, mortgage volume increases in lower interest rate environments and robust housing markets and decreases in rising interest rate environments and slower housing markets. Rising interest rates during the three months ended March 31, 2019 resulted in slow down of interest rate lock volume and resulted in a decrease of interest rate lock commitments in the pipeline at the end of the three months ending March 31, 2019 compared with the end same period of the previous year. Interest rate lock commitments in the pipeline at March 31, 2019 and 2018 were $492.5 million and $693.0 million, respectively.

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.

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Deposits

Deposits represent the Bank’s primary source of funds. We continue to focus on growing core customer 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 $4.30 billion and $4.17 billion as of March 31, 2019 and December 31, 2018, respectively. Noninterest-bearing deposits at March 31, 2019 and December 31, 2018 were $964.7 million and $949.1 million, respectively, while interest-bearing deposits were $3.34 billion and $3.22 billion at March 31, 2019 and December 31, 2018, respectively. The 3.2% increase in total deposits is attributed to a continued focus on core customer deposit growth, seasonal growth in public deposits and increased escrow deposits that our third party servicing provider, Cenlar, transferred to the Bank.

Brokered and internet time deposits at March 31, 2019 and December 31, 2018 were $69.4 million and $103.1 million, respectively. The decrease of $33.7 million was due to expected maturity of brokered deposits while replacing with lower cost funds, which is consistent with our asset liability management strategy.

Included in noninterest-bearing deposits are certain mortgage escrow deposits that our third-party servicing provider, Cenlar, transfers to the Bank which totaled $70.1 million and $53.5 million at March 31, 2019 and December 31, 2018, respectively.

Additionally, our deposits from municipal and governmental entities (i.e. "public deposits") totaled $488.6 million at March 31, 2019 compared to $448.2 million at December 31, 2018. The increase in public deposits is typical of the seasonal growth from revenue collections and will gradually decline over the remainder of the calendar year.

Our deposit base also includes certain commercial and high net worth individuals that periodically place deposits with the Bank for short periods of time and can from period to period cause fluctuations in the overall level of customer deposits outstanding. These fluctuations may include certain deposits from related parties as disclosed in Note 15 to the consolidated unaudited financial statements included in this Report. The mix between noninterest-bearing and interest-bearing as of March 31, 2019 shifted slightly due to rising rates of interest-bearing deposits when compared to December 31, 2018. Management continues to focus on strategic pricing to grow noninterest-bearing deposits while allowing more costly funding sources to mature.

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

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

	March 31, 2019						December 31, 2018
(dollars in thousands)	Amount		% of total deposits		Average rate		Amount		% of total deposits		Average rate
Deposit Type
Noninterest-bearing demand	$	964,745	22	%	—		$	949,135	23	%	—
Interest-bearing demand	937,323		22	%	0.95	%	863,706		21	%	0.73	%
Money market	1,077,723		25	%	1.49	%	1,064,191		26	%	1.06	%
Savings deposits	180,140		4	%	0.16	%	174,940		4	%	0.15	%
Customer time deposits	1,073,819		25	%	2.05	%	1,016,638		24	%	1.40	%
Brokered and internet time   deposits	69,441		2	%	1.97	%	103,107		2	%	1.79	%
Total deposits	$	4,303,191	100	%	1.14	%	$	4,171,717	100	%	0.76	%
Customer Time Deposits
0.00-0.50%	$	23,453	2	%			$	34,696	3	%
0.51-1.00%	173,233		16	%			196,032		19	%
1.01-1.50%	83,699		8	%			124,007		12	%
1.51-2.00%	61,238		6	%			60,286		6	%
2.01-2.50%	328,281		31	%			260,173		26	%
Above 2.50%	403,915		37	%			341,444		34	%
Total customer time deposits	$	1,073,819	100	%			$	1,016,638	100	%
Brokered and Internet Time    Deposits
0.00-0.50%	$	546	1	%			$	787	1	%
0.51-1.00%	331		—	%			548		1	%
1.01-1.50%	19,308		28	%			21,211		21	%
1.51-2.00%	15,128		22	%			15,204		15	%
2.01-2.50%	30,416		44	%			63,167		60	%
Above 2.50%	3,712		5	%			2,190		2	%
Total brokered and internet    time deposits	69,441		100	%			103,107		100	%
Total time deposits	$	1,143,260					$	1,119,745

The following table sets forth our time deposits segmented by months to maturity and deposit amount as of March 31, 2019 and December 31, 2018:

	As of March 31, 2019
(dollars in thousands)	Time deposits of $100 and greater		Time deposits of less than $100		Total
Months to maturity:
Three or less	$	173,582	$	72,599	$	246,181
Over Three to Six	158,371		83,859		242,230
Over Six to Twelve	155,066		96,548		251,614
Over Twelve	263,544		139,691		403,235
Total	$	750,563	$	392,697	$	1,143,260

	As of December 31, 2018
(dollars in thousands)	Time deposits of $100 and greater		Time deposits of less than $100		Total
Months to maturity:
Three or less	$	142,472	$	95,209	$	237,681
Over Three to Six	86,877		57,592		144,469
Over Six to Twelve	241,516		132,204		373,720
Over Twelve	236,972		126,903		363,875
Total	$	707,837	$	411,908	$	1,119,745

Investment portfolio

Our investment portfolio provides liquidity and certain investment securities in our portfolio serve as collateral for certain deposits and other types of borrowings. Our investment strategy aims to maximize earnings while maintaining liquidity in

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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 dates indicated:

	March 31, 2019				December 31, 2018
(dollars in thousands)	Carrying value		% of total		Carrying value		% of total
U.S. Government agency securities	$	993	—	%	$	989	—	%
Mortgage-backed securities	511,716		77	%	508,580		78	%
Municipals, tax exempt	147,640		22	%	138,887		21	%
Treasury securities	7,305		1	%	7,242		1	%
Total securities available for sale	$	667,654	100	%	$	655,698	100	%

The balance of our available-for-sale debt securities portfolio at March 31, 2019 was $667.7 million compared to $655.7 million at December 31, 2018.  During the three months ended March 31, 2019 and 2018, we purchased $24.2 million and $82.0 million in investment securities, respectively. Mortgage-backed securities and collateralized mortgage obligations, or CMOs, in the aggregate, comprised 48.8% and 95.0%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 51.2% and 5.0%, respectively of total securities purchased in the three months ended March 31, 2019 and 2018, respectively. The carrying value of securities sold during the three months ended March 31, 2019 and 2018 totaled $1.8 million and $0.2 million, respectively. Maturities and calls of securities during the three months ended March 31, 2019 and 2018, totaled $20.8 million and $16.5 million, respectively. As of March 31, 2019 and December 31, 2018, net unrealized losses of $1.8 million and $12.3 million, respectively, were recorded on available-for-sale debt securities.

As of March 31, 2019 and December 31, 2018, the Company had $3.2 million and $3.1 million, respectively, in equity securities recorded at fair value. Net gains of $49 thousand and net losses of $38 thousand were recognized due to the changes in fair value of these equity securities during the three months ended March 31, 2019 and 2018, respectively.

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The following table sets forth the fair value, scheduled maturities and weighted average yields for our investment portfolio as of March 31, 2019 and 2018:

	As of March 31, 2019						As of December 31, 2018
(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	$	—	—	%	—	%	$	—	—	%	—	%
Maturing in one to five years	7,305		1.1	%	1.76	%	7,242		1.1	%	1.76	%
Maturing in five to ten years	—		—	%	—	%	—		—	%	—	%
Maturing after ten years	—		—	%	—	%	—		—	%	—	%
Total Treasury securities	7,305		1.1	%	1.76	%	7,242		1.1	%	1.76	%
Government agency securities:
Maturing within one year	993		0.1	%	1.43	%	989		—	%	1	%
Maturing in one to five years	—		—	%	—	%	—		—	%	—	%
Maturing in five to ten years	—		—	%	—	%	—		—	%	—	%
Maturing after ten years	—		—	%	—	%	—		—	%	—	%
Total government agency securities	993		0.1	%	1.43	%	989		0.2	%	1.43	%
Obligations of state and municipal    subdivisions:
Maturing within one year	10,779		1.6	%	5.97	%	15,039		2.3	%	6.14	%
Maturing in one to five years	6,201		0.9	%	4.88	%	6,498		1.0	%	4.86	%
Maturing in five to ten years	16,974		2.5	%	4.49	%	18,387		2.8	%	4.68	%
Maturing after ten years	113,686		17.0	%	4.07	%	98,963		15.1	%	4.13	%
Total obligations of state and municipal    subdivisions	147,640		22.1	%	4.30	%	138,887		21.2	%	4.46	%
Residential mortgage backed securities    guaranteed by FNMA, GNMA and FHLMC:
Maturing within one year	—		—	%	—	%	—		—	%	—	%
Maturing in one to five years	—		—	%	—	%	—		—	%	—	%
Maturing in five to ten years	14,796		2.2	%	3.10	%	11,988		1.8	%	3.07	%
Maturing after ten years	496,920		74.4	%	2.74	%	496,592		75.7	%	2.67	%
Total residential mortgage backed    securities guaranteed by FNMA,    GNMA and FHLMC	511,716		76.7	%	2.75	%	508,580		77.5	%	2.68	%
Total investment securities	$	667,654	100.0	%	3.16	%	$	655,698	100.0	%	2.99	%

(1) Yields on a tax-equivalent basis.

The following table summarizes the amortized cost of debt 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
Available-for-sale debt securities
As of As of March 31, 2019
US Government agency securities	$	1,000	$	—	$	(7	)	$	993
Mortgage-backed securities	516,917		2,407		(7,608		)	511,716
Municipals, tax exempt	144,142		3,904		(406		)	147,640
Treasury securities	7,394		—		(89		)	7,305
	$	669,453	$	6,311	$	(8,110	)	$	667,654
As of As of December 31, 2018
US Government agency securities	$	1,000	$	—	$	(11	)	$	989
Mortgage-backed securities	520,654		1,191		(13,265		)	508,580
Municipals, tax exempt	138,994		1,565		(1,672		)	138,887
Treasury securities	7,385		—		(143		)	7,242
	$	668,033	$	2,756	$	(15,091	)	$	655,698

Borrowed funds

Deposits and investment securities available 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 in addition

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to the overall interest rate environment and cost of public funds. Borrowings include securities sold under agreements to repurchase, lines of credit, advances from the FHLB, federal funds and subordinated debt.

The following table sets forth our total borrowings segmented by years to maturity as of March 31, 2019:

	March 31, 2019
(dollars in thousands)	Amount		% of total		Weighted average interest rate (%)
Maturing Within:
March 31, 2020	$	196,727	86	%	2.46	%
March 31, 2021	57		—	%	5.67	%
March 31, 2022	374		—	%	5.90	%
March 31, 2023	518		—	%	5.57	%
March 31, 2024	111		—	%	5.35	%
Thereafter	31,391		14	%	5.79	%
Total	$	229,178	100	%	2.93	%

Securities sold under agreements to repurchase and federal funds purchased

We enter into agreements with certain customers to sell certain securities under agreements to repurchase the security the following day. These agreements are made to provide customers with comprehensive treasury management programs a short-term return for their excess funds. Securities sold under agreements to repurchase totaled $13.7 million and $15.1 million at March 31, 2019 and December 31, 2018, respectively.

The Bank maintains lines with certain correspondent banks that provide borrowing capacity in the form of federal funds purchased in the aggregate amount of $240.0 million as of March 31, 2019 and December 31, 2018. There were borrowings against the line of $23.0 million at March 31, 2019 and no borrowings against the line at December 31, 2018.

Federal Home Loan Bank advances

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 pledge qualifying residential mortgages of $681.2 million and qualifying commercial mortgages of $439.8 million as collateral securing a line of credit with a total borrowing capacity of $887.7 million as of March 31, 2019. As of December 31, 2018, we pledged qualifying residential mortgages of $619.0 million and qualifying commercial mortgages of $608.7 million as collateral securing a line of credit with a total borrowing capacity of $737.0 million.

Borrowings against our line totaled $161.6 million and $181.8 million as of March 31, 2019 and December 31, 2018, respectively. Total borrowings comprised $1.6 million and $1.8 million in long-term advances as of March 31, 2019 and December 31, 2018, respectively, and $60.0 million and $80.0 million in overnight cash management advances (CMAs) as of March 31, 2019 and December 31, 2018, respectively. In addition, a letter of credit with FHLB of $150.0 million and $100.0 million was pledged to secure public funds that required collateral at March 31, 2019 and December 31, 2018, respectively. Overnight borrowings include $100.0 million in variable rate advances borrowed during the third quarter of 2017 as part of the funding strategy for the Clayton Banks merger. These advances have 90 day fixed rate repricing terms. An additional line of $800.0 million has been secured with the FHLB for overnight borrowing; however, additional collateral may be needed to draw on the line. The maximum amount of FHLB borrowing outstanding at any month end was $161.6 million for the three months ended March 31, 2019 and $388.1 million for the twelve months ended December 31, 2018. The weighted average interest rate on FHLB borrowings was 2.59% and 2.56% for the year ended March 31, 2019 and December 31, 2018.

Additionally, the Bank maintained a line with the Federal Reserve Bank through the Borrower-in-Custody program in 2019 and 2018. As of March 31, 2019 and December 31, 2018, $1,365.2 million and $1,336.1 million of qualifying loans and $7.7 million and $8.6 million of investment securities were pledged to the Federal Reserve Bank, securing a line of credit of $986.4 million and $934.7 million.

Subordinated Debt

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 March 31, 2019 and December 31, 2018, 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 (5.76% and 5.97% at March 31, 2019 and December 31, 2018, respectively) for the $21.7 million debenture and 3-month LIBOR plus 325 basis points (5.84%and 5.65% at March 31, 2019 and December 31, 2018, 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.

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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 Liquidity and Interest Rate Risk 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 March 31, 2019 and December 31, 2018, securities with a carrying value of $331.0 million and $326.2 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 lines of credit. Interest is charged at the prevailing market rate on federal funds purchased and FHLB advances. Funds and advances obtained from the FHLB are used primarily to match-fund fixed rate loans in order to minimize interest rate risk and also 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. The balance of outstanding overnight CMAs at March 31, 2019 and December 31, 2018 were $60.0 million and $80.0 million, respectively. 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.  At March 31, 2019 and December 31, 2018, the balance of our outstanding additional long-term advances with the FHLB were $1.6 million and $1.8 million, respectively. The remaining balance available with the FHLB was $576.1 million and $455.2 million at March 31, 2019 and December 31, 2018.  We also maintain lines of credit with other commercial banks totaling $240.0 million as of March 31, 2019 and December 31, 2018. These are unsecured, uncommitted lines of credit typically maturing at various times within the next twelve months. There were borrowings against the line of $23.0 million at March 31, 2019 and no borrowings against the line at December 31, 2018.

See discussion of deposit composition and seasonality in management's discussion and analysis of deposits.

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 “Item 1. Business - Supervision and regulation,” "Item 1A. Risk Factors - Risks related to our business" and " Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities - Dividend Policy," each of which is set forth in our Annual Report.

Due to state banking laws, the Bank may not declare dividends in any calendar year in an amount exceeding 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 Tennessee Department of Financial Institutions ("TDFI"). Based upon this regulation, as of March 31, 2019 and December 31, 2018, $158.2 million and $164.9 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. No cash dividends from the Bank to the Company were paid during the three months ended March 31, 2019 or 2018.

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During the three months ended March 31, 2019, the Company declared dividends of $0.08 per share, or $2.5 million. Subsequent to March 31, 2019, the Company declared its second quarter dividend in the amount of $0.08 per share, or $2.6 million payable to stockholders of record as of May 1, 2019 on May 16, 2019.

Additionally, at March 31, 2019 and December 31, 2018, the Company had cash balances on deposit with the Bank totaling $14.7 million and $17.4 million, respectively, for ongoing corporate needs. We believe that our present position is adequate to meet our current and future liquidity needs.

The Company is party to a registration rights agreement with its former majority shareholder entered into in connection with the 2016 IPO, under which the Company is responsible for payment of expenses (other than underwriting discounts and commissions) relating to sales to the public by the shareholder of shares of the Company's common stock beneficially owned by him. Such expenses include registration fees, legal and accounting fees, and printing costs payable by the Company and expensed when incurred. No such expenses were incurred during the three months ended March 31, 2019 or 2018.

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.

The Federal Reserve and the FDIC 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 March 31, 2019 and December 31, 2018, 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 (%)
March 31, 2019
Common Equity Tier 1 (CET1)
FB Financial Corporation	$	550,872	12.0	%	>	$	206,577	>	4.5	%		N/A			N/A
FirstBank	$	561,780	12.3	%	>	$	205,529	>	4.5	%	>	$	296,876	>	6.5	%
Total capital (to risk weighted assets)
FB Financial Corporation	$	610,686	13.4	%	>	$	364,589	>	8.0	%		N/A			N/A
FirstBank	$	591,594	13.0	%	>	$	364,058	>	8.0	%	>	$	455,072	>	10.0	%
Tier 1 capital (to risk weighted assets)
FB Financial Corporation	$	580,872	12.7	%	>	$	274,428	>	6.0	%		N/A			N/A
FirstBank	$	561,780	12.3	%	>	$	274,039	>	6.0	%	>	$	365,385	>	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	580,872	11.5	%	>	$	202,042	>	4.0	%		N/A			N/A
FirstBank	$	561,780	11.1	%	>	$	202,443	>	4.0	%	>	$	253,054	>	5.0	%
December 31, 2018
Common Equity Tier 1 (CET1)
FB Financial Corporation	$	524,013	11.7	%	>	$	201,543	>	4.5	%		N/A			N/A
FirstBank	$	532,395	11.9	%	>	$	201,326	>	4.5	%	>	$	290,804	>	6.5	%
Total capital (to risk weighted assets)
FB Financial Corporation	$	582,945	13.0	%	>	$	358,735	>	8.0	%		N/A			N/A
FirstBank	$	561,327	12.5	%	>	$	359,249	>	8.0	%	>	$	449,062	>	10.0	%
Tier 1 capital (to risk weighted assets)
FB Financial Corporation	$	554,013	12.4	%	>	$	268,071	>	6.0	%		N/A			N/A
FirstBank	$	532,395	11.9	%	>	$	268,434	>	6.0	%	>	$	357,913	>	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	554,013	11.4	%	>	$	194,391	>	4.0	%		N/A			N/A
FirstBank	$	532,395	10.9	%	>	$	195,374	>	4.0	%	>	$	244,218	>	5.0	%

We also have outstanding junior subordinated debentures with a carrying value of $30.9 million at March 31, 2019 and December 31, 2018, of which $30.0 million are included in our Tier 1 capital. The Federal Reserve Board issued rules in March 2005 providing stricter 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 effective in March 2009, did not impact the amount of debentures we include in Tier 1 capital. While our existing junior subordinated debentures are unaffected and are included

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in our Tier 1 capital, the Dodd-Frank Act specifies that any such securities issued after May 19, 2010 may not be included in Tier 1 capital.

In July 2013, the Federal Reserve and the FDIC 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 impacts 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.

When fully implemented on January 1, 2019, the 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. With the Basel III Rules fully effective in 2019, banks are 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 Rules do not require the phase-out of trust preferred securities as Tier 1 capital of bank holding companies whose asset size is under $15 billion.

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: Replaced the current 0% risk weight with a 20% risk weight for repurchase agreements secured by mortgage back securities.

• Unfunded lines of credit: Replaced the current 0% risk weight with 20% or higher based on risk category of collateral or guarantee for unfunded lines of credit maturing in one year or less.

Certain calculations under the new rules related to deductions from capital have been fully phase-in, specifically, the capital treatment of MSRs is phased in through the transition periods. Under the prior rules, the Bank deducted 10% of the value of MSRs (net of deferred tax) from Tier 1 capital ratios. However, under Basel III, the Bank and the Company must deduct a much larger portion of the value of MSRs from Tier 1 capital.

• MSRs (net of deferred tax in excess of 10% of Tier 1 capital before threshold based deductions must be deducted from common equity. The disallowable portion of MSRs will be phased in incrementally (40% in 2015; 60% in 2016; and fully phased in at 80% in 2017 and beyond).

• In addition, the combined balance of MSRs and deferred tax assets is limited to approximately 15% of the Bank's and the Company's common equity Tier 1 capital. These combined assets must be deducted from common equity to the extent that they exceed the 15% threshold.

• Any portion of the Bank's and the Company's MSRs that are not deducted from the calculation of common equity Tier 1 is subject to a 100% risk weight.

As of March 31, 2019 and December 31, 2018, the Bank and Company met all capital adequacy requirements to which it is subject. Also, as ofJune 30, 2018,the date of 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. As part of our ongoing balance sheet and capital management during the quarter, the Company sold $29,160 million of mortgage servicing rights on $2.03 billion of serviced mortgages. There was not a material gain or loss recognized in this transaction; however, the sale provided approximately $9.2 million in regulatory capital relief to support continued growth in the Banking segment of our business.

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On December 21, 2018, federal banking agencies issued a joint final rule to revise their regulatory capital rules to (i) address the upcoming implementation of the “current expected credit losses” (“CECL”) accounting standard under GAAP; (ii) provide an optional three-year phase-in period for the day-one adverse regulatory capital effects that banking organizations are expected to experience upon adopting CECL; and (iii) require the use of CECL in stress tests beginning with the 2020 capital planning and stress testing cycle for certain banking organizations. The Company is currently evaluating the impact of this change in accounting standard.

On November 21, 2018, the federal banking agencies jointly issued a proposed rule to simplify the regulatory capital requirements for eligible banks and holding companies with less than $10 billion in consolidated assets that opt into the Community Bank Leverage Ratio (“CBLR”) framework, as required by Section 201 of the Economic Growth, Relief and Consumer Protection Act (the “Regulatory Relief Act”). The Regulatory Relief Act mandates that the banking agencies develop a CBLR of not less than 8% and not more than 10% for qualifying community banking organizations. A qualifying community banking organization that exceeds the CBLR threshold would be exempt from the agencies’ current capital framework, including the risk-based capital requirements and capital conservation buffer described above, and would be deemed well-capitalized under the agencies’ prompt corrective action regulations. The Regulatory Relief Act defines a “qualifying community banking organization” as a depository institution or depository institution holding company with total consolidated assets of less than $10 billion. Under the proposed rule, if a qualifying community banking organization elects to use the CBLR framework, it will be considered “well-capitalized” so long as its CBLR is greater than 9%. The Company is currently evaluating the impact of this proposed rule.

On April 5, 2019, the Company completed its previously-announced branch acquisition to purchase eleven Tennessee and three Georgia branch locations from Atlantic Capital Bank, N.A. The result of the transaction is expected to decrease capital ratios going forward in 2019.

Capital Expenditures

Currently, we have not entered into any capital commitments exceeding $1 million over the next twelve months; however, over the next twelve months we plan on investing approximately $10.0 million in branch improvements and expansion across our markets.

Shareholders’ equity

Our total shareholders’ equity was $694.6 million at March 31, 2019 and $671.9 million, at December 31, 2018. Book value per share was $22.51 at March 31, 2019 and $21.87 at December 31, 2018. The growth in shareholders’ equity was attributable to earnings retention and changes in accumulated other comprehensive income offset by declared dividends and activity related to equity-based compensation.

Off-balance sheet arrangements

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 any time, 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: 

	March 31, 2019		December 31, 2018
Loan commitments	$	1,111,472	$	1,032,390
Standby letters of credit	18,762		19,024

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.

For more information about our off-balance sheet arrangements, see "Part I. Financial Information - Notes to Consolidated Financial Statements - Note (9) - Commitments and contingencies" in this this Report.

Risk Management

There have been no significant changes in our Risk Management practices as described in "Item 1. Business - Risk Management" in our Annual Report.

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Credit risk

There have been no significant changes in our Credit Risk Management practices as described in our "Item 1. Business - Risk Management - Credit risk management" in our Annual Report.

ITEM 3 — 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 Management Committee (“ALCO”), which is authorized by our 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
	March 31,		December 31,		March 31,		December 31,
(in basis points)	2019		2018		2019		2018
+400	2.5	%	9.7	%	5.4	%	12.3	%
+300	2.0	%	7.4	%	4.3	%	9.4	%
+200	1.5	%	5.1	%	3.2	%	6.6	%
+100	0.8	%	2.5	%	1.7	%	3.3	%
-100	(4.9	)%	(5.9	)%	(6.7	)%	(7.7	)%
-200	(12.6	)%	(14.2	)%	(16.8	)%	(18.1	)%

	Percentage change in:
Change in interest rates	Economic value of equity(2)
	March 31,		December 31,
(in basis points)	2019		2018
+400	(6.8	)%	(3.0	)%
+300	(4.1	)%	(1.9	)%
+200	(1.4	)%	(0.6	)%
+100	(0.1	)%	(0.1	)%
-100	(3.8	)%	(2.6	)%
-200	(14.1	)%	(11.8	)%

(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 March 31, 2019 and December 31, 2018 resulted in an asset sensitive position. The primary influence of our asset sensitivity is the variability in our loans held for sale and time deposit balances. As our mortgage loans held for sale increase, we become more asset sensitive. Conversely, as mortgage rates continue to rise, we expect our mortgage originations and mortgage loans held for sale to decline, which contribute to decreased asset

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sensitivity. 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.

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 scenarios assume instantaneous movements in interest rates in increments of 100, 200, 300 and 400 basis points. 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 as part of an ongoing effort to mitigate interest rate risk exposure to interest rate fluctuations and facilitate the needs of our customers.

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.

The Company has entered into interest rate swap contracts to hedge interest rate exposure on short term liabilities, as well as interest rate swap contracts to hedge interest rate exposure on subordinated debentures. These interest rate swaps are all accounted for as cash flow hedges, with the Company receiving a variable rate of interest and paying a fixed rate of interest.

The Company enters into 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 30 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. Forward loan sale contracts are contracts for delayed sale and delivery of mortgage loans to a counter party. 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.

Additionally, the Company enters into forward commitments, options and futures contracts that are not designated as hedging instruments, which serve as economic hedges of the change in fair value of its MSRs.

For more information about our derivative financial instruments, see Note 10, “Derivative Instruments,” in the notes to our consolidated financial statements. 

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ITEM 4. 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) or Rule 15d-15(e) under the Exchange Act) as of the end of the period covered by this Report 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 the end of the period covered by this Report, the Company’s disclosure controls and procedures were effective in ensuring that the information required to be disclosed by the Company in the reports it files or submits under the Exchange Act is: (i) accumulated and communicated to the Company’s management (including the Chief Executive Officer and Chief Financial Officer) to allow timely decisions regarding required disclosure; and (ii) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

There were no changes in the Company’s internal control over financial reporting (as defined in Rule 13a-15(f) or Rule 15d-15(f) under the Exchange Act) that occurred during the three months ended March 31, 2019 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

The Company does not expect that its disclosure controls and procedures and internal control over financial reporting will prevent all errors and fraud. A control procedure, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control procedure are met. Because of the inherent limitations in all control procedures, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected. These inherent limitations include the realities that judgments in decision making can be faulty, and that breakdowns can occur because of simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the control. The design of any control procedure also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, controls may become inadequate because of changes in conditions, or the degree of compliance with the policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control procedure, misstatements due to error or fraud may occur and not be detected.

PART II—Other Information

ITEM 1—LEGAL PROCEEDINGS

Various legal proceedings to which we or our subsidiaries are party arise from time to time in the normal course of business. As of the date of this Report, there are no material pending legal proceedings to which we or any of our subsidiaries is a party or of which any of our or our subsidiaries’ properties are subject.

ITEM 1A—RISK FACTORS

The discussion of the Company’s business and operations should be read together with the risk factor described below and the risk factors contained in Item 1A of the Company’s most recent Annual Report on Form 10-K previously filed with the SEC, which describes various risks and uncertainties to which the Company is or may be subject. These risks and uncertainties have the potential to affect the Company’s assets, business, cash flows, condition (financial or otherwise), liquidity, prospects, results of operations, and the trading price of the Company’s common stock in a materially adverse manner.

We have announced that we are pursuing two transactions to sell assets related to our TPO and Correspondent mortgage delivery channels, but we cannot be sure that we will be able to successfully complete such transactions on terms and conditions acceptable to us, or at all.

On April 1 2019, the Company announced that the Bank entered an agreement to sell its TPO mortgage delivery channel to Renasant Bank, pursuant to which and subject to customary closing conditions, Renasant Bank will assume substantially all of the assets and personnel related to such channel. Additionally, on April 1, 2019, the Company announced that the Bank entered into a non-binding letter of intent to sell its Correspondent channel to an unrelated third party, and assuming completion of the transaction, the third party will assume substantially all of the assets and personnel related to such channel. The proposed sale of the Correspondent channel is subject to, among other things, the potential buyer’s review of the assets to be purchased, as well as the negotiation and execution of a definitive agreement with respect to the transaction, which will include certain terms and conditions, including customary representations and warranties.  There is no guarantee that we

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will be able to close the agreement to sell the origination channel or that we will be able to come to an agreement with the potential buyer of the Correspondent channel on terms and conditions that are acceptable to us, and if we are unable to dispose of one or both channels, we may incur additional charges associated with restructuring our mortgage operations.

ITEM 2—UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following table provides information about repurchases of common stock by the Company during the quarter ended March 31, 2019: 

Period	(a) Total number of shares purchased	(b) Average price paid per share	(c) Total number of shares purchased as part of publicly announced plans or programs	(d) Maximum number (or approximate dollar value) of shares that may yet be purchased under the plans or programs
January 1 - January 31, 2019	—	—	—	$	50,000,000
February 1 - February 28, 2019	—	—	—	50,000,000
March 1 - March 31, 2019	—	—	—	50,000,000
Total	—	—	—	50,000,000

The Company's stock repurchase plan, which was first approved by its board of directors and announced on October 22, 2018, was amended on March 22, 2019 to provide that Company may purchase up to $25 million in shares of its common stock during the year ending December 31, 2019, and up to another $25 million in shares during the year ending December 31, 2020. To date, the Company has not repurchased any shares of common stock under the plan.

ITEM 6—EXHIBITS

The exhibits listed on the accompanying Exhibit Index are filed, furnished or incorporated by reference (as stated therein) as part of this Report.

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EXHIBIT INDEX

Exhibit

NumberDescription

3.1	Amended and Restated Charter of FB Financial Corporation (incorporated by reference as Exhibit 3.1 to the Company’s Registration Statement on Form S-1/A (File No. 333-213210), filed on September 6, 2016)
3.2	Amended and Restated Bylaws of FB Financial Corporation (incorporated by reference as Exhibit 3.2 to the Company’s Form 10-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 ended September 30, 2016)
31.1	Rule 13a-14(a) Certification of Chief Executive Officer*
31.2	Rules 13a-14(a) Certification of Chief Financial Officer*
32.1	Section 1350 Certification of Chief Executive Officer and Chief Financial Officer**
101.INS	XBRL Instance Document*
101.SCH	XBRL Taxonomy Extension Schema Document*
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document*
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document*
101.LAB	XBRL 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.

78

Signature

Pursuant to the requirements 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
May 9, 2019	James R. Gordon Chief Financial Officer

79

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 quarterly report on Form 10-Q 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: May 9, 2019

/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 quarterly report on Form 10-Q 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: May 9, 2019

/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 quarterly report on Form 10-Q for the three months ended March 31, 2019, 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:  May 9, 2019	/s/ Christopher T. Holmes
	Christopher T. Holmes
	Chief Executive Officer
	(Principal Executive Officer)
Date:  May 9, 2019	/s/ James R. Gordon
	James R. Gordon
	Chief Financial Officer
	(Principal Financial Officer)

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 06, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Trading Symbol	FBK
Entity Registrant Name	FB Financial Corp
Entity Central Index Key	0001649749
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Common Stock, Shares Outstanding (in shares)		30,860,397

XML

Consolidated balance sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Cash and due from banks	$ 60,253	$ 38,381
Federal funds sold	6,600	31,364
Interest-bearing deposits in financial institutions	128,561	55,611
Cash and cash equivalents	195,414	125,356
Investments:
Available-for-sale debt securities, at fair value	667,654	655,698
Equity securities, at fair value	3,181	3,107
Federal Home Loan Bank stock, at cost	13,432	13,432
Loans held for sale, at fair value	248,054	278,815
Loans	3,786,791	3,667,511
Less: allowance for loan losses	29,814	28,932
Net loans	3,756,977	3,638,579
Premises and equipment, net	87,013	86,882
Other real estate owned, net	12,828	12,643
Operating lease right-of-use assets	32,694	0
Interest receivable	16,611	14,503
Mortgage servicing rights	64,031	88,829
Goodwill	137,190	137,190
Core deposit and other intangibles, net	10,439	11,628
Other assets	89,638	70,102
Total assets	5,335,156	5,136,764
Deposits
Noninterest-bearing	964,745	949,135
Interest-bearing checking	937,323	863,706
Money market and savings	1,257,863	1,239,131
Customer time deposits	1,073,819	1,016,638
Brokered and internet time deposits	69,441	103,107
Total deposits	4,303,191	4,171,717
Borrowings	229,178	227,776
Operating lease liabilities	35,093	0
Accrued expenses and other liabilities	73,117	65,414
Total liabilities	4,640,579	4,464,907
SHAREHOLDERS' EQUITY
Common stock, $1 par value per share; 75,000,000 shares authorized; 30,852,665 and 30,724,532 shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	30,853	30,725
Additional paid-in capital	423,647	424,146
Retained earnings	236,947	221,213
Accumulated other comprehensive income (loss), net	3,130	(4,227)
Total shareholders' equity	694,577	671,857
Total liabilities and shareholders' equity	$ 5,335,156	$ 5,136,764

XML

Consolidated balance sheets (Parenthetical) - $ / shares	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	75,000,000	75,000,000
Common stock, shares issued (in shares)	30,852,665	30,724,532
Common stock, shares outstanding (in shares)	30,852,665	30,724,532

XML

Consolidated statements of income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest income:
Interest and fees on loans	$ 60,448	$ 50,693
Interest on securities
Taxable	3,569	2,852
Tax-exempt	1,144	925
Other	772	378
Total interest income	65,933	54,848
Interest expense:
Deposits	11,855	5,071
Borrowings	1,062	1,348
Total interest expense	12,917	6,419
Net interest income	53,016	48,429
Provision for loan losses	1,391	317
Net interest income after provision for loan losses	51,625	48,112
Noninterest income:
Gain (loss) from securities, net	43	(47)
Loss on sales or write-downs of other real estate owned	(39)	(186)
Gain from other assets	191	68
Other income	1,793	1,443
Total noninterest income	29,039	33,275
Noninterest expenses:
Salaries, commissions and employee benefits	33,697	34,027
Occupancy and equipment expense	3,730	3,424
Legal and professional fees	1,725	2,043
Data processing	2,384	2,035
Merger costs	621	1,193
Amortization of core deposit and other intangibles	729	853
Regulatory fees and deposit insurance assessments	592	562
Advertising	2,737	3,282
Other expense	8,414	8,075
Total noninterest expense	55,101	56,151
Income before income taxes	25,563	25,236
Income tax expense (Note 8)	5,975	5,482
Net income	$ 19,588	$ 19,754
Earnings per common share
Basic (in dollars per share)	$ 0.63	$ 0.65
Fully diluted (in dollars per share)	$ 0.62	$ 0.63
Mortgage banking income
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	$ 21,021	$ 26,471
Service charges on deposit accounts
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	2,079	1,959
ATM and interchange fees
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	2,656	2,361
Investment services and trust income
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	1,295	1,206
Software license and maintenance fees
Noninterest expenses:
Software license and maintenance fees	$ 472	$ 657

XML

Consolidated statements of comprehensive income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 19,588	$ 19,754
Other comprehensive income (loss), net of tax:
Net change in unrealized (loss) gain in available-for-sale securities, net of taxes of $2,752 and $2,570	7,778	(7,039)
Reclassification adjustment for loss on sale of securities included in net income, net of taxes of $2 and $2	4	7
Net change in unrealized gain in hedging activities, net of taxes of $116 and $446	(331)	1,271
Reclassification adjustment for gain on hedging activities, net of taxes of $33 and $1	(94)	3
Total other comprehensive income (loss), net of tax	7,357	(5,758)
Comprehensive income	$ 26,945	$ 13,996

XML

Consolidated statements of comprehensive income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net change in unrealized gain (loss) in available for sale securities, tax	$ 2,752	$ 2,570
Reclassification adjustment for gain on sale of securities included in net income, tax	2	2
Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification, tax	116	446
Reclassification adjustment for gain on hedging activities, tax	$ 33	$ 1

XML

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, 2017	$ 596,729	$ 30,536	$ 418,596	$ 147,449	$ 148
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,754			19,754
Other comprehensive (loss) income, net of taxes	(5,758)				(5,758)
Stock based compensation expense	1,958	4	1,954
Restricted stock units vested and distributed, net of shares withheld	(2,277)	115	(2,392)
Shares issued under employee stock purchase program	669	17	652
Balance at Mar. 31, 2018	611,075	30,672	418,810	167,094	(5,501)
Balance at Dec. 31, 2018	671,857	30,725	424,146	221,213	(4,227)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,588			19,588
Other comprehensive (loss) income, net of taxes	7,357				7,357
Stock based compensation expense	1,638	3	1,635
Restricted stock units vested and distributed, net of shares withheld	(2,373)	114	(2,487)
Shares issued under employee stock purchase program	364	11	353
Cash dividends declared	(2,545)			(2,545)
Balance at Mar. 31, 2019	$ 694,577	$ 30,853	$ 423,647	$ 236,947	$ 3,130

XML

Consolidated statements of changes in shareholders' equity (Parenthetical)	3 Months Ended
	Mar. 31, 2019 $ / shares
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (USD per share)	$ 0.08

XML

Consolidated statements of cash flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 19,588	$ 19,754
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	1,172	1,106
Amortization of core deposit and other intangibles	729	853
Capitalization of mortgage servicing rights	(8,720)	(13,510)
Net change in fair value of mortgage servicing rights	4,358	(3,543)
Stock-based compensation expense	1,638	1,958
Provision for loan losses	1,391	317
Provision for mortgage loan repurchases	59	186
Accretion of yield on purchased loans	(1,831)	(1,687)
Accretion of discounts and amortization of premiums on securities, net	614	697
(Gain) loss from securities, net	(43)	47
Originations of loans held for sale	(932,125)	(1,617,103)
Repurchases of loans held for sale	(5,957)	0
Proceeds from sale of loans held for sale	986,454	1,707,527
Gain on sale and change in fair value of loans held for sale	(18,151)	(23,391)
Net loss or write-downs of other real estate owned	39	186
Gain on other assets	(191)	(68)
Provision for deferred income taxes	(4,219)	5,482
Changes in:
Other assets and interest receivable	(22,511)	(4,759)
Accrued expenses and other liabilities	10,133	(26,207)
Net cash provided by operating activities	32,427	47,845
Activity in available-for-sale securities:
Sales	1,758	221
Maturities, prepayments and calls	20,814	16,503
Purchases	(24,196)	(81,990)
Net increase in loans	(118,358)	(74,928)
Proceeds from sale of mortgage servicing rights	29,160	0
Purchases of premises and equipment	(911)	(704)
Proceeds from the sale of premises and equipment	284	0
Proceeds from the sale of other real estate owned	716	1,432
Net cash used in investing activities	(90,733)	(139,466)
Cash flows from financing activities:
Net increase in demand deposits	107,959	83,076
Net increase in time deposits	23,515	18,680
Net increase (decrease) in borrowings	1,402	(54,578)
Share based compensation witholding obligation	(2,373)	(2,277)
Net proceeds from sale of common stock	364	669
Dividends paid	(2,503)	0
Net cash provided by financing activities	128,364	45,570
Net change in cash and cash equivalents	70,058	(46,051)
Cash and cash equivalents at beginning of the period	125,356	119,751
Cash and cash equivalents at end of the period	195,414	73,700
Supplemental cash flow information:
Interest paid	10,820	6,066
Taxes paid	77	31
Supplemental noncash disclosures:
Transfers from loans to other real estate owned	1,106	630
Transfers from other real estate owned to loans	166	120
Transfers from loans held for sale to loans	540	1,599
Trade date payable - securities	2,524	3,912
Dividends declared not paid on restricted stock units	84	0
Adjustment to retained earnings for adoption of new accounting standards	(1,309)	(109)
Right-of-use assets obtained in exchange for new operating lease liabilities	33,819	0
GNMA
Supplemental noncash disclosures:
Derecognition of rebooked GNMA delinquent loans	$ 0	$ 43,035

XML

Basis of presentation

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Basis of presentation

Basis of presentation:

(Amounts are in thousands)

Overview and presentation

FB Financial Corporation (the “Company”) is a bank holding company headquartered in Nashville, Tennessee. The Company operates through its wholly-owned subsidiary, FirstBank (the "Bank"), with 56 full-service branches throughout Tennessee, north Alabama, and north Georgia, and a national mortgage business with office locations across the Southeast, which primarily originates loans to be sold in the secondary market.

The unaudited consolidated financial statements, including the notes thereto of the Company, have been prepared in accordance with United States generally accepted accounting principles (“GAAP”) interim reporting requirements and general banking industry guidelines, and therefore, do not include all information and notes included in the annual consolidated financial statements in conformity with GAAP. These interim consolidated financial statements and notes thereto should be read in conjunction with the Company’s audited consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K.

The unaudited consolidated financial statements include all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the results for the interim periods. The results for interim periods are not necessarily indicative of results for a full year.

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 periods then ended. Actual results could differ significantly from those estimates.

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.

Prior to May 31, 2018, the Company was considered a "controlled company" and was controlled by the Company's Executive Chairman and former majority shareholder, James W. Ayers. During the second quarter of 2018, the Company completed a secondary offering of 3,680,000 shares of common stock pursuant to the Company's effective registration statement on Form S-3 whereby James W. Ayers was the seller. As a result of this transaction, the Company ceased to qualify as a "controlled company" as the selling shareholder's ownership was reduced below 50% of the voting power of the Company's issued and outstanding shares of common stock. The Company continues to qualify as an emerging growth company as defined by the "Jumpstart Our Business Startups Act" ("JOBS Act").

Subsequent events

The Company has evaluated, for consideration of recognition or disclosure, subsequent events that occurred through the date of issuance of these financial statements. The Company has determined that there were no other subsequent events other than described below that occurred after March 31, 2019, but prior to the issuance of these financial statements that would have a material impact on the Company’s consolidated financial statements.

On April 5, 2019, the Bank completed its previously-announced branch acquisition to purchase 11 Tennessee and three Georgia branch locations (the "Branches") from Atlantic Capital Bank, N.A., a national banking association and a wholly owned subsidiary of Atlantic Capital Bancshares, Inc., a Georgia corporation (collectively, "Atlantic Capital"), further increasing market share in existing markets and expanding the Company's footprint into new locations. See Note 2, "Mergers and acquisitions" in the notes to the consolidated financial statements for further details regarding the terms and conditions of this acquisition.

On April 18, 2019, the Company declared a regular quarterly dividend of $0.08 per share to be paid on May 16, 2019 to shareholders of record as of May 1, 2019, totaling approximately $2,557.

Earnings per share

Basic earnings per common share ("EPS") excludes dilution and is computed by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding during the period. Diluted EPS includes the dilutive effect of additional potential common shares issuable under the restricted stock units granted but not yet vested and distributable. Diluted EPS is computed by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding for the period, plus an incremental number of common-equivalent shares computed using the treasury stock method.

Unvested share-based payment awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered to participate with common shareholders in undistributed earnings for purposes of computing EPS. Companies that have such participating securities, including the Company, are required to calculate basic and diluted EPS using the two-class method. Certain restricted stock awards granted by the Company include non-forfeitable dividend equivalents and are considered participating securities. Calculations of EPS under the two-class method (i) exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities and (ii) exclude from the denominator the dilutive impact of the participating securities.

The following is a summary of the basic and diluted earnings per common share calculation for each of the periods presented:

	Three Months Ended March 31,
	2019			2018
Basic earnings per common share calculation:
Net income	$	19,588		$	19,754
Dividends paid on and undistributed earnings allocated to participating securities	(105		)	—
Earnings attributable to common shareholders	$	19,483		$	19,754
Weighted-average basic shares outstanding	30,786,684			30,613,284
Basic earnings per common share	$	0.63		$	0.65
Diluted earnings per common share:
Earnings attributable to common shareholders	19,483			19,754
Weighted-average basic shares outstanding	30,786,684			30,613,284
Weighted-average diluted shares contingently issuable	562,514			808,546
Weighted-average diluted shares outstanding	31,349,198			31,421,830
Diluted earnings per common share	$	0.62		$	0.63

Recently adopted accounting policies:

Except as set forth below, the Company did not adopt any new accounting policies that were not disclosed in the Company's 2018 audited consolidated financial statements included on Form 10-K.

Leases

The Company leases certain banking, mortgage and operations locations. Effective January 1, 2019, the Company records leases on the balance sheet in the form of a lease liability for the present value of future minimum payments under the lease terms and a right-of-use asset equal to the lease liability adjusted for items such as deferred or prepaid rent, incentive liabilities, leasehold intangibles and any impairment of the right-of-use asset. In determining whether a contract contains a lease, management conducts an analysis at lease inception to ensure an asset was specifically identified and the Company has control of use of the asset. For contracts determined to be leases entered into after January 1, 2019, the Company performs additional analysis to determine whether the lease should be classified as a finance or operating lease. The Company considers a lease to be a finance lease if future minimum lease payments amount to greater than 90% of the asset's fair value or if the lease term is equal to or greater than 75% of the asset's estimated economic useful life. As of March 31, 2019, the Company did not have any leases that were determined to be finance leases. The Company does not record leases on the consolidated balance sheets that are classified as short term (less than one year). Additionally, the Company has not recorded equipment leases or leases in which the Company is the lessor on the consolidated balance sheets as these are not material to the Company.

At lease inception, the Company determines the lease term by adding together the minimum lease term and all optional renewal periods that it is reasonably certain to renew. This determination is at management's full discretion and is made through consideration of the asset, market conditions, competition and entity based economic conditions, among other factors. The lease term is used in the economic life test and also to calculate straight-line rent expense. The depreciable life of leasehold improvements is limited by the estimated lease term, including renewals.

Operating leases are expensed on a straight-line basis over the life of the lease beginning when the lease commences. Rent expense and variable lease expense are included in Occupancy and equipment expense on the Company's Consolidated statements of income. The Company's variable lease expense include rent escalators that are based on the Consumer Price Index or market conditions and include items such as common area maintenance, utilities, parking, property taxes, insurance and other costs associated with the lease. There are no residual value guarantees or restrictions or covenants imposed by leases that will impact the Company's ability to pay dividends or cause the Company to incur additional expenses. The Company accounts for lease and non-lease components as a single lease component by class of underlying asset. The discount rate used in determining the lease liability is based upon borrowing rates for what would be obtained by the Company for similar loans as an incremental rate as of the date of commencement or renewal.

Recently adopted accounting principles:

Except as set forth below, the Company did not adopt any new accounting principles that were not disclosed in the Company's 2018 audited consolidated financial statements included on Form 10-K.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The update requires 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 became effective for the Company on January 1, 2019.

In July 2018, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases” and 2018-11, “Leases (Topic 842): Targeted Improvements”. ASU No. 2018-10 provides improvements related to ASU No. 2016-02 to provide corrections or improvements to a number of areas within FASB ASC Topic 842 and provides additional and optional transition method to adopt the new lease standard. ASU No. 2018-11 allows entities to initially apply the new lease standard at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. ASU 2018-11 also allows lessors to not separate non-lease components from the associated lease component if certain conditions are met. The amendments in these updates became effective for the Company on January 1, 2019.

FB Financial Corporation elected the optional transition method permitted by ASU 2018-11. Under this method, an entity shall recognize and measure leases that exist at the application date and prior comparative periods are not adjusted. Additionally, the Company elected to adopt the practical expedients allowed under the updates and therefore did not reassess 1) whether any expired or existing contract contain leases, 2) the lease classification for any expired or existing leases, or 3) initial direct costs for any existing leases.

On January 1, 2019, the Company adopted these updates and recognized a right of use asset ("ROU") and lease liability of $32,545 and $34,876, respectively, and recorded a cumulative effect adjustment to retained earnings of $1,309, net of deferred taxes of $461, in addition to adjustments to leasehold improvements of $1,020 and a reclassification from a previously-recognized lease intangible asset for $459. The difference between the asset and liability amounts represents lease incentive liabilities, deferred rent and a lease intangible asset that was reclassified to the ROU asset upon adoption. This adoption did not have a significant impact on the Company's consolidated statements of income and did not have an impact on the Company's cash flows. Disclosures required by the update are presented in Note 6, "Leases" in the notes to the 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 were required to prospectively apply the amendments in this ASU to annual periods beginning after December 15, 2018, including interim periods. The adoption of this update did not have an impact on the Company's consolidated financial statements.

Newly issued not yet effective accounting standards:

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. The new model will require institutions to calculate all probable and estimable losses that are expected to be incurred through the financial asset's entire life through a provision for credit losses, including loans obtained as a result of any acquisition not deemed to be purchased credit deteriorated (PCD). CECL also requires the allowance for credit losses for PCD loans to be determined in a manner similar to that of other financial assets measured at amortized cost; however, the initial allowance will be added to the purchase price rather than recorded as provision expense. The disclosure of credit quality indicators related to the amortized cost of financing receivables will be further disaggregated by year of origination (or vintage). Institutions are to apply the changes through a cumulative-effect adjustment to their retained earnings as of the beginning of the first reporting period in which the standard is effective.

ASU 2016-13 will become effective for interim and annual periods beginning after December 15, 2019.  Management has established a CECL implementation working group, which includes the appropriate members of management to evaluate the impact the adoption of this ASU will have on the Company's financial statements and disclosures and determine the most appropriate method of implementing the amendments in this ASU. The working group has selected a software vendor and is working on identifying data needs for modeling inputs and identifying appropriate modeling methodologies across our loan segments. During 2019, the Company is focused on model completion and finalizing assumptions with parallel processing of our existing allowance for loan losses model with the CECL model targeted for the second half of 2019, depending on how model completion and validation progresses. Management is also working to establish appropriate accounting policies to address new processes and controls under this update. The Company is currently evaluating the impact of this adoption on it’s financial statements and disclosures and currently expects to record a one-time adjustment to retained earnings to increase the allowance for loan losses, however the magnitude of this adjustment cannot currently be reasonably quantified. Management expects to disclose a range estimate of this impact on Form 10-Q for the quarterly period ended September 30, 2019.

In December 2018, the OCC, the Board of Governors of the Federal Reserve System, and the FDIC approved a final rule to address changes to credit loss accounting under GAAP, including banking organizations’ implementation of CECL. The final rule provides banking organizations the option to phase in over a three-year period the day-one adverse effects on regulatory capital that may result from the adoption of the new accounting standard.

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 2017-04 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. Management does not expect adoption of this standard to have any impact on the Company's consolidated financial statements or disclosures.

In June 2018, FASB issued ASU 2018-07, "Compensation-Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting", which expands the scope of topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. Consistent with the accounting for employee share-based payment awards, nonemployee share-based payment awards will be measured at grant-date fair value of the equity instruments obligated to be issued when the good has been delivered or the service rendered and any other conditions necessary to earn the right to benefit from the instruments have been satisfied. This ASU is effective for all entities for fiscal years beginnings after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. Early adoption is permitted. The Company does not expect adoption of this standard to have a significant impact on the consolidated financial statements or disclosures.

In August 2018, the FASB issued "Accounting Standards Update 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurements." This update is part of the disclosure framework project and eliminates certain disclosure requirements for fair value measurements, requires entities to disclose new information, and modifies existing disclosure requirements. The new disclosure guidance is effective for fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact this change will have on its consolidated financial statements and disclosures.

In March 2019, FASB issued ASU 2019-01, "Leases (Topic 842): Codification Improvements", which align the guidance for fair value of the underlying assets by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. As a result, the fair value of the underlying asset at lease commencement is its cost, reflecting any volume or trade discounts that may apply. However, if there has been a significant lapse of time between when the underlying asset is acquired and when the lease commences, the definition of fair value in Topic 820, Fair Value Measurement should be applied. ASU No. 2019-01 also requires lessors within the scope of Topic 942, "Financial Services—Depository and Lending", to present all “principal payments received under leases” within investing activities. The amendments in this update become effective for fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of this change on its consolidated financial statements and disclosures, but it is not expected to have a material impact.

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Mergers and acquisitions

3 Months Ended

Mar. 31, 2019

Business Combinations [Abstract]

Mergers and acquisitions

Mergers and acquisitions:

Atlantic Capital Bank branch acquisition

Effective April 5, 2019, the Bank completed its previously-announced branch acquisition to purchase 11 Tennessee and three Georgia branch locations (the "Branches") from Atlantic Capital Bank, N.A., a national banking association and a wholly owned subsidiary of Atlantic Capital Bancshares, Inc., a Georgia corporation (collectively, “Atlantic Capital”). Upon consumation, the Branches were merged with and into FirstBank and consolidated for locations across the Bank. As such, the Atlantic Capital branch acquistion is being accounted for under ASC 805, "Business Combinations." Prior to the determination of purchase accounting adjustments, the Bank assumed approximately $598,000 in deposits, purchased approximately $385,000 in loans at 99.32% of principal outstanding, and paid a deposit premium of 6.25%. The Company is finalizing the fair value of acquired assets and liabilities assumed and as such, purchase accounting is not yet complete.

The Company incurred $621 in merger-related expenses during the three months ended March 31, 2019 in connection with this transaction.

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Investment securities

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Investment securities

Investment securities:

The amortized cost of securities and their fair values at March 31, 2019 and December 31, 2018 are shown below:

	March 31, 2019
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Investment Securities
Available-for-sale debt securities
U.S. government agency securities	$	1,000	$	—	$	(7	)	$	993
Mortgage-backed securities - residential	516,917		2,407		(7,608		)	511,716
Municipals, tax exempt	144,142		3,904		(406		)	147,640
Treasury securities	7,394		—		(89		)	7,305
Total	$	669,453	$	6,311	$	(8,110	)	$	667,654

	December 31, 2018
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Investment Securities
Available-for-sale debt securities
U.S. government agency securities	$	1,000	$	—	$	(11	)	$	989
Mortgage-backed securities - residential	520,654		1,191		(13,265		)	508,580
Municipals, tax exempt	138,994		1,565		(1,672		)	138,887
Treasury securities	7,385		—		(143		)	7,242
Total	$	668,033	$	2,756	$	(15,091	)	$	655,698

As of March 31, 2019 and December 31, 2018, the Company had $3,181 and $3,107 in marketable equity securities recorded at fair value, respectively.

Securities pledged at March 31, 2019 and December 31, 2018 had carrying amounts of $330,966 and $326,215, respectively, and were pledged to secure a Federal Reserve Bank line of credit, public deposits and repurchase agreements.

There were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of shareholders' equity during any period presented.

Included in available-for-sale securities at March 31, 2019 and December 31, 2018 were $2,524 and $2,120, respectively, in trade date payables that were settled after period end.

The amortized cost and fair value of debt securities by contractual maturity at March 31, 2019 and December 31, 2018 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.

	March 31, 2019				December 31, 2018
	Available-for-sale				Available-for-sale
	Amortized cost		Fair value		Amortized cost		Fair value
Due in one year or less	$	11,682	$	11,772	$	15,883	$	16,028
Due in one to five years	13,498		13,506		13,806		13,740
Due in five to ten years	16,891		16,974		18,539		18,387
Due in over ten years	110,465		113,686		99,151		98,963
	152,536		155,938		147,379		147,118
Mortgage-backed securities - residential	516,917		511,716		520,654		508,580
Total debt securities	$	669,453	$	667,654	$	668,033	$	655,698

Sales of available-for-sale securities were as follows:

	Three Months Ended March 31,
	2019		2018
Proceeds from sales	$	1,758	$	221
Gross realized gains	1		—
Gross realized losses	7		9

Additionally, net gains of $49 and net losses of $38 were recognized due to changes in fair value of these securities during the three months ended March 31, 2019 and 2018, respectively.

The following tables show gross unrealized losses at March 31, 2019 and December 31, 2018, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	March 31, 2019
	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	$	—	$	—		$	993	$	(7	)	$	993	$	(7	)
Mortgage-backed securities - residential	4,913		(10		)	357,430		(7,598		)	362,343		(7,608		)
Municipals, tax exempt	—		—			21,580		(406		)	21,580		(406		)
Treasury securities	—		—			7,305		(89		)	7,305		(89		)
Total	$	4,913	$	(10	)	$	387,308	$	(8,100	)	$	392,221	$	(8,110	)

	December 31, 2018
	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	$	—	$	—		$	989	$	(11	)	$	989	$	(11	)
Mortgage-backed securities - residential	60,347		(478		)	335,769		(12,787		)	396,116		(13,265		)
Municipals, tax exempt	27,511		(366		)	25,343		(1,306		)	52,854		(1,672		)
Treasury securities	—		—			7,242		(143		)	7,242		(143		)
Total	$	87,858	$	(844	)	$	369,343	$	(14,247	)	$	457,201	$	(15,091	)

As of March 31, 2019 and December 31, 2018, the Company’s securities portfolio consisted of 353 and 360 securities, 116 and 174 of which were in an unrealized loss position, respectively.

The Company evaluates available-for-sale debt securities with unrealized losses for other-than-temporary impairment (OTTI) on a quarterly basis and recorded no OTTI for the three months ended March 31, 2019 and 2018. 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 basis, which may be maturity.

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Loans and Allowance for Loan Losses

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Loans and allowance for loan losses

Loans and allowance for loan losses:

Loans outstanding at March 31, 2019 and December 31, 2018, by major lending classification are as follows:

	March 31,			December 31,
	2019			2018
Commercial and industrial	$	888,345		$	867,083
Construction	539,065			556,051
Residential real estate:
1-to-4 family mortgage	552,239			555,815
Residential line of credit	187,415			190,480
Multi-family mortgage	71,532			75,457
Commercial real estate:
Owner occupied	499,123			493,524
Non-owner occupied	816,880			700,248
Consumer and other	232,192			228,853
Gross loans	3,786,791			3,667,511
Less: Allowance for loan losses	(29,814		)	(28,932		)
Net loans	$	3,756,977		$	3,638,579

As of March 31, 2019 and December 31, 2018, $681,154 and $618,976, respectively, of qualifying residential mortgage loans (including loans held for sale) and $439,831 and $608,735, respectively, of qualifying commercial mortgage loans were pledged to the Federal Home Loan Bank of Cincinnati securing advances against the Bank’s line of credit. As of March 31, 2019 and December 31, 2018, $1,365,193 and $1,336,092, respectively, of qualifying loans were pledged to the Federal Reserve Bank under the Borrower-in-Custody program.

As of March 31, 2019 and December 31, 2018, 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 $62,564 and $68,999, respectively. The following table presents changes in the value of the accretable yield for PCI loans for the periods indicated.

	Three Months Ended March 31,
	2019			2018
Balance at the beginning of period	$	(16,587	)	$	(17,682	)
Principal reductions and other reclassifications from nonaccretable difference	220			(1,294		)
Accretion	2,183			2,201
Changes in expected cash flows	(630		)	(180		)
Balance at end of period	$	(14,814	)	$	(16,955	)

Included in the ending balance of the accretable yield on PCI loans at March 31, 2019 and December 31, 2018, is a purchase accounting liquidity discount of $2,093 and $2,436, respectively. There is also a purchase accounting nonaccretable credit discount of $3,480 and $4,355 related to the PCI loan portfolio at March 31, 2019 and December 31, 2018, respectively and an accretable credit and liquidity discount on non-PCI loans of $7,025 and $7,527 and $1,907 and $2,197, respectively.

Interest revenue, through accretion of the difference between the recorded investment of the loans and the expected cash flows, is being recognized on all PCI loans. Accretion of interest income amounting to $2,183 and $2,201 was recognized on purchased credit impaired loans during the three months ended March 31, 2019 and 2018, respectively. This includes both the contractual interest income recognized 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 $1,831 and $1,687 for the three months ended March 31, 2019 and 2018, respectively.

The following provides the allowance for loan losses by portfolio segment and the related investment in loans net of unearned interest for the three months ended March 31, 2019 and 2018:

	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
Three Months Ended March 31, 2019
Beginning balance - December 31, 2018	$	5,348		$	9,729	$	3,428		$	811		$	566		$	3,132		$	4,149	$	1,769		$	28,932
Provision for loan losses	333			28		(65		)	(73		)	(27		)	(121		)	434		882			1,391
Recoveries of loans previously charged-off	12			1		13			25			—			87			—		224			362
Loans charged off	(179		)	—		(81		)	(32		)	—			—			—		(579		)	(871		)
Ending balance - March 31, 2019	$	5,514		$	9,758	$	3,295		$	731		$	539		$	3,098		$	4,583	$	2,296		$	29,814

	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
Three Months Ended March 31, 2018
Beginning balance - December 31, 2017	$	4,461		$	7,135	$	3,197		$	944		$	434	$	3,558		$	2,817		$	1,495		$	24,041
Provision for loan losses	202			479		(30		)	214			15		(567		)	(115		)	119			317
Recoveries of loans previously charged-off	135			252		15			27			—		23			51			206			709
Loans charged off	(220		)	—		(60		)	(20		)	—		—			—			(361		)	(661		)
Ending balance - March 31, 2018	$	4,578		$	7,866	$	3,122		$	1,165		$	449	$	3,014		$	2,753		$	1,459		$	24,406

The following tables provides the allocation of the allowance for loan losses by loan category broken out between loans individually evaluated for impairment, loans collectively evaluated for impairment and loans acquired with deteriorated credit quality as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	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	$	709	$	—	$	136	$	—	$	—	$	42	$	299	$	—	$	1,186
Collectively evaluated for impairment	4,697		9,711		3,027		731		539		3,039		4,068		1,551		27,363
Acquired with deteriorated credit quality	108		47		132		—		—		17		216		745		1,265
Ending balance - March 31, 2019	$	5,514	$	9,758	$	3,295	$	731	$	539	$	3,098	$	4,583	$	2,296	$	29,814

	December 31, 2018
	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	$	3	$	—	$	7	$	—	$	—	$	53	$	205	$	—	$	268
Collectively evaluated for impairment	5,247		9,677		3,205		811		566		3,066		3,628		1,583		27,783
Acquired with deteriorated credit quality	98		52		216		—		—		13		316		186		881
Ending balance - December 31, 2018	$	5,348	$	9,729	$	3,428	$	811	$	566	$	3,132	$	4,149	$	1,769	$	28,932

The following tables provides the amount of loans by loan category broken between loans individually evaluated for impairment, loans collectively evaluated for impairment and loans acquired with deteriorated credit quality as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	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	$	4,045	$	1,220	$	874	$	605	$	—	$	2,054	$	6,699	$	71	$	15,568
Collectively evaluated for impairment	882,989		533,238		533,293		186,810		71,532		491,093		796,644		213,060		3,708,659
Acquired with deteriorated credit quality	1,311		4,607		18,072		—		—		5,976		13,537		19,061		62,564
Ending balance - March 31, 2019	$	888,345	$	539,065	$	552,239	$	187,415	$	71,532	$	499,123	$	816,880	$	232,192	$	3,786,791

	December 31, 2018
	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	$	1,847	$	1,221	$	987	$	245	$	—	$	2,608	$	6,735	$	73	$	13,716
Collectively evaluated for impairment	863,788		549,075		535,451		190,235		75,457		484,900		677,247		208,643		3,584,796
Acquired with deteriorated credit quality	1,448		5,755		19,377		—		—		6,016		16,266		20,137		68,999
Ending balance - December 31, 2018	$	867,083	$	556,051	$	555,815	$	190,480	$	75,457	$	493,524	$	700,248	$	228,853	$	3,667,511

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, if 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 tables show credit quality indicators by portfolio class at March 31, 2019 and December 31, 2018:

March 31, 2019	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	830,017	$	49,599	$	7,418	$	887,034
Construction	528,421		4,717		1,320		534,458
Residential real estate:
1-to-4 family mortgage	519,688		6,046		8,433		534,167
Residential line of credit	183,448		1,337		2,630		187,415
Multi-family mortgage	71,460		72		—		71,532
Commercial real estate:
Owner occupied	463,724		15,857		13,566		493,147
Non-owner occupied	785,933		10,301		7,109		803,343
Consumer and other	208,442		2,982		1,707		213,131
Total loans, excluding purchased credit impaired loans	$	3,591,133	$	90,911	$	42,183	$	3,724,227
Purchased credit impaired loans
Commercial and industrial	$	—	$	828	$	483	$	1,311
Construction	—		3,719		888		4,607
Residential real estate:
1-to-4 family mortgage	—		13,644		4,428		18,072
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,080		1,896		5,976
Non-owner occupied	—		5,608		7,929		13,537
Consumer and other	—		16,122		2,939		19,061
Total purchased credit impaired loans	$	—	$	44,001	$	18,563	$	62,564
Total loans	$	3,591,133	$	134,912	$	60,746	$	3,786,791

December 31, 2018	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	804,447	$	52,624	$	8,564	$	865,635
Construction	543,953		5,012		1,331		550,296
Residential real estate:
1-to-4 family mortgage	519,541		8,697		8,200		536,438
Residential line of credit	186,753		1,039		2,688		190,480
Multi-family mortgage	75,381		76		—		75,457
Commercial real estate:
Owner occupied	456,694		16,765		14,049		487,508
Non-owner occupied	667,447		8,881		7,654		683,982
Consumer and other	204,279		2,763		1,674		208,716
Total loans, excluding purchased credit impaired loans	$	3,458,495	$	95,857	$	44,160	$	3,598,512
Purchased credit impaired loans
Commercial and industrial	$	—	$	964	$	484	$	1,448
Construction	—		3,229		2,526		5,755
Residential real estate:
1-to-4 family mortgage	—		14,681		4,696		19,377
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,110		1,906		6,016
Non-owner occupied	—		8,266		8,000		16,266
Consumer and other	—		15,422		4,715		20,137
Total purchased credit impaired loans	$	—	$	46,672	$	22,327	$	68,999
Total loans	$	3,458,495	$	142,529	$	66,487	$	3,667,511

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 March 31, 2019 or December 31, 2018 as the carrying value of the respective loan or pool of loans cash flows were considered estimable and probable of collection.

The following tables provide 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 March 31, 2019 and December 31, 2018:

March 31, 2019	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	$	2,998	$	37	$	342	$	883,657	$	1,311	$	888,345
Construction	1,014		—		275		533,169		4,607		539,065
Residential real estate:
1-to-4 family mortgage	1,470		648		3,107		528,942		18,072		552,239
Residential line of credit	730		487		973		185,225		—		187,415
Multi-family mortgage	—		—		—		71,532		—		71,532
Commercial real estate:
Owner occupied	162		117		1,671		491,197		5,976		499,123
Non-owner occupied	795		57		6,973		795,518		13,537		816,880
Consumer and other	1,875		539		380		210,337		19,061		232,192
Total	$	9,044	$	1,885	$	13,721	$	3,699,577	$	62,564	$	3,786,791

December 31, 2018	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	$	999	$	65	$	438	$	864,133	$	1,448	$	867,083
Construction	109		—		283		549,904		5,755		556,051
Residential real estate:
1-to-4 family mortgage	4,919		737		2,704		528,078		19,377		555,815
Residential line of credit	726		957		804		187,993		—		190,480
Multi-family mortgage	—		—		—		75,457		—		75,457
Commercial real estate:
Owner occupied	407		197		2,423		484,481		6,016		493,524
Non-owner occupied	61		77		6,885		676,959		16,266		700,248
Consumer and other	1,987		1,008		148		205,573		20,137		228,853
Total	$	9,208	$	3,041	$	13,685	$	3,572,578	$	68,999	$	3,667,511

Impaired loans recognized in conformity with ASC 310 at March 31, 2019 and December 31, 2018, segregated by class,

were as follows:

March 31, 2019	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	3,186	$	3,186	$	709
Construction	—		—		—
Residential real estate:
1-to-4 family mortgage	405		405		136
Residential line of credit	—		—		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	189		218		42
Non-owner occupied	5,650		5,650		299
Consumer and other	—		—		—
Total	$	9,430	$	9,459	$	1,186
With no related allowance recorded
Commercial and industrial	$	859	$	1,022	$	—
Construction	1,220		1,264		—
Residential real estate:
1-to-4 family mortgage	469		779		—
Residential line of credit	605		613		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	1,865		2,619		—
Non-owner occupied	1,049		1,781		—
Consumer and other	71		71		—
Total	$	6,138	$	8,149	$	—
Total impaired loans	$	15,568	$	17,608	$	1,186

December 31, 2018	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	618	$	732	$	3
Construction	—		—		—
Residential real estate:
1-to-4 family mortgage	145		145		7
Residential line of credit	—		—		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	560		641		53
Non-owner occupied	5,686		5,686		205
Consumer and other	—		—		—
Total	$	7,009	$	7,204	$	268
With no related allowance recorded:
Commercial and industrial	$	1,229	$	1,281	$	—
Construction	1,221		1,262		—
Residential real estate:
1-to-4 family mortgage	842		1,151		—
Residential line of credit	245		249		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	2,048		2,780		—
Non-owner occupied	1,049		1,781		—
Consumer and other	73		73		—
Total	$	6,707	$	8,577	$	—
Total impaired loans	$	13,716	$	15,781	$	268

Average recorded investment and interest income on a cash basis recognized during the three months ended March 31, 2019 and 2018 on impaired loans, segregated by class, were as follows:

Three months ended March 31, 2019	Average recorded investment		Interest income recognized (cash basis)
With a related allowance recorded:
Commercial and industrial	$	1,902	$	38
Construction	—		—
Residential real estate:
1-to-4 family mortgage	275		2
Residential line of credit	—		—
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	375		2
Non-owner occupied	5,668		—
Consumer and other	—		—
Total	$	8,220	$	42
With no related allowance recorded:
Commercial and industrial	$	1,044	$	14
Construction	1,221		48
Residential real estate:
1-to-4 family mortgage	656		8
Residential line of credit	425		2
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	1,957		28
Non-owner occupied	1,049		—
Consumer and other	72		2
Total	$	6,424	$	102
Total impaired loans	$	14,644	$	144
Three months ended March 31, 2018
With a related allowance recorded:
Commercial and industrial	$	53	$	1
Construction	—		—
Residential real estate:
1-to-4 family mortgage	193		2
Residential line of credit	—		—
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	715		6
Non-owner occupied	143		2
Consumer and other	—		—
Total	$	1,104	$	11
With no related allowance recorded:
Commercial and industrial	$	1,430	$	16
Construction	1,287		30
Residential real estate:
1-to-4 family mortgage	1,185		13
Residential line of credit	—		—
Multi-family mortgage	971		12
Commercial real estate:
Owner occupied	1,621		32
Non-owner occupied	1,574		7
Consumer and other	27		—
Total	$	8,095	$	110
Total impaired loans	$	9,199	$	121

As of March 31, 2019 and December 31, 2018, the Company has a recorded investment in troubled debt restructurings of $8,953 and $6,794, 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 $63 of specific reserves for those loans at March 31, 2019 and December 31, 2018 and had not committed to lend any additional amounts to these customers for either period end. Of these loans, $2,568 and $2,703 were classified as non-accrual loans as of March 31, 2019 and December 31, 2018, respectively.

The following tables present the financial effect of TDRs recorded during the periods indicated:

Three Months Ended March 31, 2019	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	2	$	3,188	$	3,188	$	—
Total	2	$	3,188	$	3,188	$	—

Three Months Ended March 31, 2018	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Residential real estate:
1-4 family mortgage	1	$	249	$	249	—
Consumer and other	1	5		5		—
Total	2	$	254	$	254	$	—

There were no loans modified as troubled debt restructurings for which there was a payment default within twelve months following the modification during the three months ended March 31, 2019 and2018. 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 three months ended March 31, 2019 and 2018 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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Other Real Estate Owned

3 Months Ended

Mar. 31, 2019

Real Estate [Abstract]

Other real estate owned

Other real estate owned:

The amount reported as other real estate owned includes property acquired through foreclosure in addition to excess facilities held for sale and is carried at fair value less estimated cost to sell the property. The following table summarizes the other real estate owned for the three months ended March 31, 2019 and 2018:

	Three Months Ended
	March 31,
	2019			2018
Balance at beginning of period	$	12,643		$	16,442
Transfers from loans	1,106			630
Properties sold	(716		)	(1,432		)
Loss on sale of other real estate owned	(7		)	(43		)
Transferred to loans	(166		)	(120		)
Write-downs and partial liquidations	(32		)	(143		)
Balance at end of period	$	12,828		$	15,334

Foreclosed residential real estate properties included in the table above totaled $2,435 and $2,101 as of March 31, 2019 and December 31, 2018, respectively. The recorded investment in residential mortgage loans secured by residential real estate properties for which foreclosure proceedings are in process totaled $164 and $478 at March 31, 2019 and December 31, 2018, respectively.

Excess land and facilities held for sale resulting from branch consolidations from previous acquisitions totaled $5,381 as of March 31, 2019 and December 31, 2018.

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Leases

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Leases

Leases:

On January 1, 2019, the Company adopted ASU 2016-02 "Leases" (Topic 842) and all subsequent updates that modified topic 842. For the Company, the adoption primarily affected the accounting treatment for operating lease agreements in which the Company is the lessee.

Substantially all the leases for which the Company is the lessee are comprised of real estate for branches, mortgage, and operations locations. As of March 31, 2019, the Company had 39 operating leases with terms greater than one year to 37 years. Leases with initial terms of less than one year are not recorded on the balance sheet. The Company elected not to include equipment leases and leases in which the Company is the lessor on the consolidated balance sheets as these are not material.

Most leases include one or more options to renew, with renewal terms that can extend the lease up to an additional 20 years or more. Certain lease agreements contain provisions to periodically adjust rental payments for inflation. Renewal options that management is reasonably certain to renew are included in the ROU asset and lease liability.

Information related to the Company's operating leases is presented below:

	March 31,
	2019
Right-of-use assets	$	32,694
Lease liabilities	35,093
Weighted average remaining lease term (in years)	15.65
Weighted average discount rate	3.48		%

The components of lease expense included in Occupancy and equipment expense were as follows:

	Three Months Ended
	March 31,
	2019
Operating lease cost	$	1,112
Short-term lease cost	224
Variable lease cost	100
Total lease cost	$	1,436

As the Company elected, for all classes of underlying assets, not to separate lease and non-lease components and instead to account for them as a single lease component, the variable lease cost primarily represents variable payments such as common area maintenance, utilities, and property taxes.

Lease expense for the three months ended March 31, 2018, prior to the adoption of ASU 2016-02, was $1,229.

A maturity analysis of operating lease liabilities and a reconciliation of undiscounted cash flows to the total operating lease liability is as follows:

	March 31,
	2019
Lease payments due on or before:
March 31, 2020	$	4,670
March 31, 2021	4,604
March 31, 2022	4,308
March 31, 2023	3,332
March 31, 2024	3,176
Thereafter	27,065
Total undiscounted cash flows	47,155
Discount on cash flows	(12,062		)
Total lease liability	$	35,093

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Mortgage servicing rights

3 Months Ended

Mar. 31, 2019

Transfers and Servicing of Financial Assets [Abstract]

Mortgage servicing rights

Mortgage servicing rights:

Changes in the Company’s mortgage servicing rights were as follows for three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
Carrying value at beginning of period	$	88,829		$	76,107
Capitalization	8,720			13,510
Sales	(29,160		)	—
Change in fair value:
Due to pay-offs/pay-downs	(1,795		)	(3,060		)
Due to change in valuation inputs or assumptions	(2,563		)	6,603
Carrying value at period end	$	64,031		$	93,160

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 three months ended March 31, 2019 and 2018, respectively:

	Three Months Ended March 31,
	2019			2018
Servicing income:
Servicing income	$	4,751		$	4,793
Change in fair value of mortgage servicing rights	(4,358		)	3,543
Change in fair value of derivative hedging instruments	2,477			(5,256		)
Servicing income	2,870			3,080
Servicing expenses	1,744			1,795
Net servicing income	$	1,126		$	1,285

Data and key economic assumptions related to the Company’s mortgage servicing rights as of March 31, 2019 and December 31, 2018 are as follows:

	March 31,			December 31,
	2019			2018
Unpaid principal balance	$	5,221,109		$	6,755,114
Weighted-average prepayment speed (CPR)	9.83		%	8.58		%
Estimated impact on fair value of a 10% increase	$	(2,493	)	$	(2,072	)
Estimated impact on fair value of a 20% increase	$	(4,813	)	$	(4,006	)
Discount rate	8.99		%	10.45		%
Estimated impact on fair value of a 100 bp increase	$	(2,701	)	$	(2,505	)
Estimated impact on fair value of a 200 bp increase	$	(5,181	)	$	(4,807	)
Weighted-average coupon interest rate	4.42		%	4.21		%
Weighted-average servicing fee (basis points)	29			30
Weighted-average remaining maturity (in months)	319			325

The Company hedges the mortgage servicing rights portfolio with various derivative instruments to offset changes in the fair value of the related mortgage servicing rights. See Note 10, "Derivatives" for additional information on these hedging instruments.

From time to time, the Company enters agreements to sell certain tranches of mortgage servicing rights. Upon consummation of the sale, occasionally the Company continues to subservice the underlying mortgage loans until they can be transferred to the purchaser. During the three months ended March 31, 2019, the Company sold $29,160 of mortgage servicing rights on $2,034,374of serviced mortgage loans. There was not a material gain or loss recognized in connection with this sale. As of March 31, 2019, there were $2,015,273 of mortgage loans being serviced related to this transaction. There were no sales of mortgage servicing rights during the three months ended March 31, 2018. As of March 31, 2019 and December 31, 2018, mortgage escrow deposits totaled to $70,121 and $53,468, respectively.

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Income taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income taxes

Income taxes:

An allocation of federal and state income taxes between current and deferred portions is presented below:

	For the three months ended March 31,
	2019			2018
Current	$	10,194		$	—
Deferred	(4,219		)	5,482
Total	$	5,975		$	5,482

Federal income tax expense differs from the statutory federal rate of 21% for the three months ended March 31, 2019 and 2018 due to the following:

	For the three months ended March 31,
	2019					2018
Federal taxes calculated at statutory rate	$	5,368		21.0	%	$	5,300		21.0	%
Increase (decrease) resulting from:
State taxes, net of federal benefit	1,138			4.5	%	1,143			4.5	%
Benefit of equity based compensation	(392		)	(1.5	)%	(736		)	(3.0	)%
Municipal interest income, net of interest disallowance	(216		)	(0.8	)%	(201		)	(0.8	)%
Bank owned life insurance	(12		)	—	%	(12		)	—	%
Other	89			0.2	%	(12		)	—	%
Income tax expense, as reported	$	5,975		23.4	%	$	5,482		21.7	%

The components of the net deferred tax liability at March 31, 2019 and December 31, 2018, are as follows:

	March 31,			December 31,
	2019			2018
Deferred tax assets:
Allowance for loan losses	$	7,768		$	7,539
Operating lease liability	9,079			—
Amortization of core deposit intangible	1,060			1,012
Deferred compensation	3,802			5,878
Unrealized loss on available-for-sale debt securities	558			3,299
Other	2,012			1,998
Subtotal	24,279			19,726
Deferred tax liabilities:
FHLB stock dividends	(550		)	(550		)
Operating lease - right of use asset	(8,826		)	—
Depreciation	(4,777		)	(4,812		)
Cash flow hedges	(586		)	(736		)
Mortgage servicing rights	(16,684		)	(23,146		)
Other	(7,904		)	(7,145		)
Subtotal	(39,327		)	(36,389		)
Net deferred tax liability	$	(15,048	)	$	(16,663	)

Tax periods for all fiscal years after 2014 remain open to examination by the federal and state taxing jurisdictions to which the Company is subject.

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Commitments and contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and contingencies

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.

	March 31,		December 31,
	2019		2018
Commitments to extend credit, excluding interest rate lock commitments	$	1,111,472	$	1,032,390
Letters of credit	18,762		19,024
Balance at end of period	$	1,130,234	$	1,051,414

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 $1,393and $1,119for the three months ended March 31, 2019 and 2018, respectively. The Company has established a reserve associated with loan repurchases. This reserve is recorded in accrued expenses and other liabilities on the consolidated balance sheets.

The following table summarizes the activity in the repurchase reserve:

	For the three months ended March, 31
	2019		2018
Balance at beginning of period	$	3,273	$	3,386
Provision for loan repurchases or indemnifications	59		186
Recoveries on previous losses	—		(58		)
Balance at end of period	$	3,332	$	3,514

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Derivatives

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

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 mortgage loans 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 best effort or mandatory delivery 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 to offset the changes in fair value of 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.

Additionally, 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.

The Company also maintains two interest rate swap agreements with notional amounts totaling $30,000 used to hedge interest rate exposure on outstanding subordinate debentures included in long-term debt totaling $30,930. 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 March 31, 2019 and December 31, 2018, the fair value of these contracts was $274 and $721, respectively.

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 were designated as cash flow hedges with the objective of reducing the variability of cash flows associated with $100,000 of FHLB borrowings obtained in conjunction with the Clayton Banks acquisition. During the first quarter of 2018, these swaps were canceled, locking in a tax-adjusted gain of $1,564 in other comprehensive income to be accreted over the three, four and five-year terms of the underlying contracts. As of March 31, 2019 and December 31, 2018, there was $1,342 and $1,436, respectively, remaining in the other comprehensive income to be accreted.

Certain financial instruments, including derivatives, may be eligible for offset in the Consolidated Balance Sheets 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.

Most derivative contracts with clients are secured by collateral. Additionally, in accordance with the interest rate agreements with derivatives dealers, the Company may be required to post margin to these counterparties. At March 31, 2019 and December 31, 2018, the Company had minimum collateral posting thresholds with certain derivative counterparties and had collateral posted of $20,380 and $13,904, respectively, against its obligations under these agreements. Cash collateral related to derivative contracts is recorded in other assets in the Consolidated Balance Sheets.

The following table provides details on the Company’s derivative financial instruments as of the dates presented:

	March 31, 2019
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	346,545	$	9,073	$	9,073
Forward commitments	599,205		—		3,327
Interest rate-lock commitments	492,507		8,121		—
Futures contracts	178,000		1,456		—
Option contracts	8,600		78		—
Total	$	1,624,857	$	18,728	$	12,400

	December 31, 2018
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	295,333	$	6,679	$	6,679
Forward commitments	474,208		—		4,958
Interest rate-lock commitments	318,706		6,241		—
Futures contracts	166,000		649		—
Options contracts	3,800		26		—
Total	$	1,258,047	$	13,595	$	11,637

	March 31, 2019
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	274	$	—

	December 31, 2018
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	721	$	—

Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments

were as follows:

	Three Months Ended March 31,
	2019			2018
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	1,880		$	3,411
Forward commitments	(4,404		)	5,318
Futures contracts	1,871			(2,447		)
Option contracts	13			43
Total	$	(640	)	$	6,325

	Three Months Ended March 31,
	2019		2018
Designated as hedging:
Amount of gain (loss) reclassified from other comprehensive    income and recognized in interest expense on borrowings, net of taxes of $33 and $1	$	94	$	(3	)
Gain (loss) included in interest expense on borrowings	55		(29		)
Total	$	149	$	(32	)

The following discloses the amount included in other comprehensive income (loss), net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Three Months Ended March 31,
	2019			2018
Designated as hedging:
Amount of (loss) gain recognized in other comprehensive    income, net of tax	$	(331	)	$	1,271

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Fair value of financial instruments

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair value of financial instruments

Fair value of financial instruments:

FASB ASC 820-10 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. ASC 820-10 also 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:

Investment securities-Investment 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. Investment 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. Fair value 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 (“OREO”) is comprised of commercial and residential real estate obtained in partial or total satisfaction of loan obligations and excess land and facilities held for sale. 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. As such, mortgage servicing rights are considered 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 table contains the estimated fair values and the related carrying values of the Company's financial instruments. Items which are not financial instruments are not included.

	Fair Value
March 31, 2019	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	195,414	$	195,414	$	—	$	—	$	195,414
Investment securities	670,835		—		670,835		—		670,835
Loans, net	3,756,977		—		—		3,746,515		3,746,515
Loans held for sale	248,054		—		248,054		—		248,054
Interest receivable	16,611		—		3,114		13,497		16,611
Mortgage servicing rights	64,031		—		—		64,031		64,031
Derivatives	19,002		—		19,002		—		19,002
Financial liabilities:
Deposits:
Without stated maturities	$	3,159,931	$	3,159,931	$	—	$	—	$	3,159,931
With stated maturities	1,143,260		—		1,147,498		—		1,147,498
Securities sold under agreement to repurchase and federal funds sold	36,695		36,695		—		—		36,695
Federal Home Loan Bank advances	161,553		—		161,654		—		161,654
Subordinated debt	30,930		—		30,000		—		30,000
Interest payable	7,112		294		6,818		—		7,112
Derivatives	12,400		—		12,400		—		12,400

	Fair Value
December 31, 2018	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	125,356	$	125,356	$	—	$	—	$	125,356
Investment securities	658,805		—		658,805		—		658,805
Loans, net	3,638,579		—		—		3,630,500		3,630,500
Loans held for sale	278,815		—		278,815		—		278,815
Interest receivable	14,503		—		2,848		11,655		14,503
Mortgage servicing rights	88,829		—		—		88,829		88,829
Derivatives	14,316		—		14,316		—		14,316
Financial liabilities:
Deposits:
Without stated maturities	$	3,051,972	$	3,051,972	$	—	$	—	$	3,051,972
With stated maturities	1,119,745		—		1,122,076		—		1,122,076
Securities sold under agreement to repurchase and federal funds sold	15,081		15,081		—		—		15,081
Federal Home Loan Bank advances	181,765		—		181,864		—		181,864
Subordinated debt	30,930		—		30,000		—		30,000
Interest payable	5,015		530		4,485		—		5,015
Derivatives	11,637		—		11,637		—		11,637

The balances and levels of the assets measured at fair value on a recurring basis at March 31, 2019 are presented in the following table:

March 31, 2019	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	$	—	$	993	$	—	$	993
Mortgage-backed securities	—		511,716		—		511,716
Municipals, tax-exempt	—		147,640		—		147,640
Treasury securities	—		7,305		—		7,305
Equity securities	—		3,181		—		3,181
Total	$	—	$	670,835	$	—	$	670,835
Loans held for sale	$	—	$	248,054	$	—	$	248,054
Mortgage servicing rights	—		—		64,031		64,031
Derivatives	—		19,002		—		19,002
Financial Liabilities:
Derivatives	—		12,400		—		12,400

The balances and levels of the assets measured at fair value on a non-recurring basis at March 31, 2019 are presented in the following table:

At March 31, 2019	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	$	—	$	—	$	1,147	$	1,147
Impaired loans(1):
Commercial and industrial	$	—	$	—	$	3,186	$	3,186
Construction	—		—		6		6
Residential real estate:
1-4 family mortgage	—		—		260		260
Commercial real estate:
Owner occupied	—		—		272		272
Non-owner occupied	—		—		—		—
Consumer and other	—		—		—		—
Total	$	—	$	—	$	3,724	$	3,724

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

The balances and levels of the assets measured at fair value on a recurring basis at December 31, 2018 are presented in the following table:

At December 31, 2018	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	$	—	$	989	$	—	$	989
Mortgage-backed securities	—		508,580		—		508,580
Municipals, tax-exempt	—		138,887		—		138,887
Treasury securities	—		7,242		—		7,242
Equity securities	—		3,107		—		3,107
Total	$	—	$	658,805	$	—	$	658,805
Loans held for sale	$	—	$	278,815	$	—	$	278,815
Mortgage servicing rights	—		—		88,829		88,829
Derivatives	—		14,316		—		14,316
Financial Liabilities:
Derivatives	—		11,637		—		11,637

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2018 are presented in the following table:

At December 31, 2018	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	$	—	$	—	$	2,266	$	2,266
Impaired Loans(1):
Commercial and industrial	$	—	$	—	$	732	$	732
Construction	—		—		832		832
Residential real estate:
1-4 family mortgage	—		—		146		146
Commercial real estate:
Owner occupied	—		—		87		87
Non-owner occupied	—		—		6,921		6,921
Total	$	—	$	—	$	8,718	$	8,718

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

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 three months ended March 31, 2019 and 2018:

	Available-for-sale securities
	Three Months Ended March 31,
	2019		2018
Balance at beginning of period	$	—	$	3,604
Reclassification of equity securities without a readily determinable fair value to other assets	—		(3,604		)
Balance at end of period	$	—	$	—

The following table presents information as of March 31, 2019 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)	$	3,724	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	1,147	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

The following table presents information as of December 31, 2018 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)	$	8,718	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	2,266	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

Loans considered impaired are reserved for at the time the loan is identified as impaired taking into account the fair value of the collateral less estimated selling costs. Impaired loans are reviewed and evaluated on at least a quarterly basis for additional impairment and adjusted accordingly, based on changes in market conditions from the time of valuation and management's knowledge of the client and client's business. Other real estate owned acquired in settlement of indebtedness is recorded at fair value of the real estate less estimated costs to sell. Subsequently, it may be necessary to record nonrecurring fair value adjustments for declines in fair value. Any write-downs based on the asset's fair value at the date of foreclosure are charged to the allowance for loan losses. 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 $(1,207) and $2,121 resulting from fair value changes of mortgage loans held for sale were recorded in income during the three months ended March 31, 2019 and 2018, 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. There were $76,857 and $67,362 of delinquent GNMA loans that had previously been sold at March 31, 2019 and December 31, 2018. The Company determined there not to be a more-than-trivial benefit based on an analysis of interest rates and an assessment of potential reputational risk associated with these loans. As such, the Company did not record any rebooked GNMA loans on the balance sheet as of March 31, 2019 or December 31, 2018.

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 March 31, 2019 and December 31, 2018:

March 31, 2019	Aggregate fair value		Aggregate Unpaid Principal Balance		Difference
Mortgage loans held for sale measured at fair value	$	247,858	$	238,554	$	9,304
Past due loans of 90 days or more	—		—		—
Nonaccrual loans	196		196		—
December 31, 2018
Mortgage loans held for sale measured at fair value	$	278,418	$	267,907	$	10,511
Past due loans of 90 days or more	—		—		—
Nonaccrual loans	397		397		—

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Segment reporting

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Segment reporting

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 Consumer direct and Correspondent 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 three months ended March 31, 2019, the Company's Board of Directors approved management's strategic plan to exit both its Third party origination ('TPO') and Correspondent channels. As such, the Company entered an agreement to sell its TPO channel, which is expected to close during the second quarter of 2019. The mortgage segment incurred $1,054 in restructuring and miscellaneous charges during the first quarter of 2019 related to these plans.

The following tables provides segment financial information for the three months ended March 31, 2019 and 2018 as follows:

Three Months Ended March 31, 2019	Banking		Mortgage			Consolidated
Net interest income	$	52,993	$	23		$	53,016
Provision for loan loss	1,391		—			1,391
Mortgage banking income	4,386		18,516			22,902
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(1,881		)	(1,881		)
Other noninterest income	8,018		—			8,018
Depreciation	1,042		130			1,172
Amortization of intangibles	729		—			729
Other noninterest mortgage banking expense	2,831		17,356			20,187
Other noninterest expense(2)	31,959		1,054			33,013
Income before income taxes	27,445		(1,882		)	25,563
Income tax expense						5,975
Net income						$	19,588
Total assets	$	4,987,744	$	347,412		$	5,335,156
Goodwill	137,090		100			137,190

(1) Included in mortgage banking income.

(2) Included $621 in merger and conversion expenses in banking segment related to the ACBI branch acquisition and $1,054 in mortgage segment related to mortgage business restructuring charges.

Three Months Ended March 31, 2018	Banking		Mortgage			Consolidated
Net interest income	$	48,771	$	(342	)	$	48,429
Provision for loan loss	317		—			317
Mortgage banking income	6,108		22,076			28,184
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(1,713		)	(1,713		)
Other noninterest income	6,804		—			6,804
Depreciation and amortization	978		128			1,106
Amortization of intangibles	853		—			853
Other noninterest mortgage banking expense	5,097		18,782			23,879
Other noninterest expense(2)	30,313		—			30,313
Income before income taxes	24,125		1,111			25,236
Income tax expense						5,482
Net income						$	19,754
Total assets	$	4,220,543	$	504,873		$	4,725,416
Goodwill	137,090		100			137,190

(1) Included in mortgage banking income.

(2) Included $1,193 in merger and conversion expenses.

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, which eliminated in consolidation, had a prime interest rate of 5.50% and 4.75% as of March 31, 2019 and 2018, respectively, and further limited based on interest income earned by the Mortgage segment. 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 $2,558 and $4,508 for the three months ended March 31, 2019 and 2018, respectively.

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Minimum capital requirements

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Minimum capital requirements

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.

Under regulatory guidance for non-advanced approaches institutions, the Bank is required 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 March 31, 2019 and December 31, 2018, the Bank and Company met all capital adequacy requirements to which it is subject.

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. As of March 31, 2019 and December 31, 2018, the buffer was 2.50% and 1.88%, respectively. The capital conservative buffer was fully phased in on January 1, 2019.

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
March 31, 2019
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	610,686	13.4	%	$	364,589	8.0	%	$	478,523	10.5	%	N/A		N/A
FirstBank	591,594		13.0	%	364,058		8.0	%	477,826		10.5	%	$	455,072	10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	580,872	12.7	%	$	274,428	6.0	%	$	388,773	8.5	%	N/A		N/A
FirstBank	561,780		12.3	%	274,039		6.0	%	388,222		8.5	%	$	365,385	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	580,872	11.5	%	$	202,042	4.0	%	N/A		N/A		N/A		N/A
FirstBank	561,780		11.1	%	202,443		4.0	%	N/A		N/A		$	253,054	5.0	%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	550,872	12.0	%	$	206,577	4.5	%	$	321,342	7.0	%	N/A		N/A
FirstBank	561,780		12.3	%	205,529		4.5	%	319,712		7.0	%	$	296,876	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, 2018
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	582,945	13.0	%	$	358,735	8.0	%	$	442,814	9.9	%	N/A		N/A
FirstBank	561,327		12.5	%	359,249		8.0	%	443,448		9.9	%	$	449,062	10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	554,013	12.4	%	$	268,071	6.0	%	$	351,843	7.9	%	N/A		N/A
FirstBank	532,395		11.9	%	268,434		6.0	%	352,320		7.9	%	$	357,913	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	554,013	11.4	%	$	194,391	4.0	%	N/A		N/A		N/A		N/A
FirstBank	532,395		10.9	%	195,374		4.0	%	N/A		N/A		$	244,218	5.0	%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	524,013	11.7	%	$	201,543	4.5	%	$	285,520	6.4	%	N/A		N/A
FirstBank	532,395		11.9	%	201,326		4.5	%	285,212		6.4	%	$	290,804	6.5	%

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock-Based Compensation

The Company grants restricted stock units under compensation arrangements for the benefit of employees, executive officers, and directors. 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.

The following table summarizes information about vested and unvested restricted stock units, excluding cash-settled EBI units discussed above, outstanding at March 31, 2019 and 2018:

	March 31,
	2019				2018
	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	1,140,215		$	21.96	1,214,325		$	19.97
Grants	142,008		34.01		105,429		39.90
Released and distributed (vested)	(181,958	)	24.91		(170,160	)	21.24
Forfeited/expired	(4,343	)	27.67		(5,556	)	19.00
Balance at end of period	1,095,922		$	23.30	1,144,038		$	21.11

The total fair value of restricted stock units vested and released, excluding cash-settled EBI units, was $4,533 and $3,614 for the three months ended March 31, 2019 and 2018, respectively.

The compensation cost related to stock grants and vesting of restricted stock units, excluding cash-settled EBI units, was $1,638 and $1,958 for the three months ended March 31, 2019 and 2018, respectively. This included $172 and $177 paid to Company independent directors during the three months ended March 31, 2019 and 2018, respectively, related to independent director grants and compensation elected to be settled in stock. The previous period also includes a one-time expense of $249 related to the modification of vesting terms of certain grants.

As of March 31, 2019 and 2018, there were $12,004 and $15,696, respectively, of total unrecognized compensation cost related to nonvested stock-settled EBI Units and restricted stock units (excluding cash-settled EBI units discussed above) which is expected to be recognized over a weighted-average period of 2.34 years and 2.78 years, respectively. At March 31, 2019, there was $293 accrued in other liabilities related to dividends declared to be paid upon vesting and distribution of the underlying RSUs.

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 is 95% of the lower of the market 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 three months ended March 31, 2019 and 2018, there were 10,613 shares and 16,537 shares of common stock issued under the ESPP, respectively. As of March 31, 2019 and 2018, there were 2,421,743 and 2,444,428 shares available for issuance under the ESPP, respectively.

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Related party transactions

3 Months Ended

Mar. 31, 2019

Related Party Transactions [Abstract]

Related party transactions

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.

An analysis of loans to executive officers, certain management, and directors of the Bank and their affiliates follows:

Loans outstanding at January 1, 2018	$	32,264
New loans and advances	1,225
Change in related party status	(9,614		)
Repayments	(219		)
Loans outstanding at March 31, 2019	$	23,656

Unfunded commitments to certain executive officers, certain management and directors and their associates totaled $18,382 and $15,000 at March 31, 2019 and December 31, 2018, respectively.

(B) Deposits:

The Bank held deposits from related parties totaling $281,119 and $287,156 as of March 31, 2019 and December 31, 2018, respectively.

(C) Leases:

The Bank leases various office spaces from entities owned by certain directors of the Company under varying terms. The Company had $111 and $116 in unamortized leasehold improvements related to these leases at March 31, 2019 and December 31, 2018, respectively. These improvements are being amortized over a term not to exceed the length of the lease. Lease expense for these properties totaled $129 and $148 for the three months ended March 31, 2019 and 2018, respectively.

(D) 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 $29 as of March 31, 2019 and December 31, 2018.

(E) 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 three months ended March 31, 2019 and 2018, the Company made payments of $27 and $72, respectively, under these agreements.

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Basis of presentation (Policies)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Earnings per common share

Earnings per share

Basic earnings per common share ("EPS") excludes dilution and is computed by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding during the period. Diluted EPS includes the dilutive effect of additional potential common shares issuable under the restricted stock units granted but not yet vested and distributable. Diluted EPS is computed by dividing earnings attributable to common shareholders by the weighted average number of common shares outstanding for the period, plus an incremental number of common-equivalent shares computed using the treasury stock method.

Unvested share-based payment awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered to participate with common shareholders in undistributed earnings for purposes of computing EPS. Companies that have such participating securities, including the Company, are required to calculate basic and diluted EPS using the two-class method. Certain restricted stock awards granted by the Company include non-forfeitable dividend equivalents and are considered participating securities. Calculations of EPS under the two-class method (i) exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities and (ii) exclude from the denominator the dilutive impact of the participating securities.

Leases

Leases

The Company leases certain banking, mortgage and operations locations. Effective January 1, 2019, the Company records leases on the balance sheet in the form of a lease liability for the present value of future minimum payments under the lease terms and a right-of-use asset equal to the lease liability adjusted for items such as deferred or prepaid rent, incentive liabilities, leasehold intangibles and any impairment of the right-of-use asset. In determining whether a contract contains a lease, management conducts an analysis at lease inception to ensure an asset was specifically identified and the Company has control of use of the asset. For contracts determined to be leases entered into after January 1, 2019, the Company performs additional analysis to determine whether the lease should be classified as a finance or operating lease. The Company considers a lease to be a finance lease if future minimum lease payments amount to greater than 90% of the asset's fair value or if the lease term is equal to or greater than 75% of the asset's estimated economic useful life. As of March 31, 2019, the Company did not have any leases that were determined to be finance leases. The Company does not record leases on the consolidated balance sheets that are classified as short term (less than one year). Additionally, the Company has not recorded equipment leases or leases in which the Company is the lessor on the consolidated balance sheets as these are not material to the Company.

At lease inception, the Company determines the lease term by adding together the minimum lease term and all optional renewal periods that it is reasonably certain to renew. This determination is at management's full discretion and is made through consideration of the asset, market conditions, competition and entity based economic conditions, among other factors. The lease term is used in the economic life test and also to calculate straight-line rent expense. The depreciable life of leasehold improvements is limited by the estimated lease term, including renewals.

Operating leases are expensed on a straight-line basis over the life of the lease beginning when the lease commences. Rent expense and variable lease expense are included in Occupancy and equipment expense on the Company's Consolidated statements of income. The Company's variable lease expense include rent escalators that are based on the Consumer Price Index or market conditions and include items such as common area maintenance, utilities, parking, property taxes, insurance and other costs associated with the lease. There are no residual value guarantees or restrictions or covenants imposed by leases that will impact the Company's ability to pay dividends or cause the Company to incur additional expenses. The Company accounts for lease and non-lease components as a single lease component by class of underlying asset. The discount rate used in determining the lease liability is based upon borrowing rates for what would be obtained by the Company for similar loans as an incremental rate as of the date of commencement or renewal.

Recently adopted accounting principles and Newly issued not yet effective accounting standards

Recently adopted accounting principles:

Except as set forth below, the Company did not adopt any new accounting principles that were not disclosed in the Company's 2018 audited consolidated financial statements included on Form 10-K.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The update requires 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 became effective for the Company on January 1, 2019.

In July 2018, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases” and 2018-11, “Leases (Topic 842): Targeted Improvements”. ASU No. 2018-10 provides improvements related to ASU No. 2016-02 to provide corrections or improvements to a number of areas within FASB ASC Topic 842 and provides additional and optional transition method to adopt the new lease standard. ASU No. 2018-11 allows entities to initially apply the new lease standard at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. ASU 2018-11 also allows lessors to not separate non-lease components from the associated lease component if certain conditions are met. The amendments in these updates became effective for the Company on January 1, 2019.

FB Financial Corporation elected the optional transition method permitted by ASU 2018-11. Under this method, an entity shall recognize and measure leases that exist at the application date and prior comparative periods are not adjusted. Additionally, the Company elected to adopt the practical expedients allowed under the updates and therefore did not reassess 1) whether any expired or existing contract contain leases, 2) the lease classification for any expired or existing leases, or 3) initial direct costs for any existing leases.

On January 1, 2019, the Company adopted these updates and recognized a right of use asset ("ROU") and lease liability of $32,545 and $34,876, respectively, and recorded a cumulative effect adjustment to retained earnings of $1,309, net of deferred taxes of $461, in addition to adjustments to leasehold improvements of $1,020 and a reclassification from a previously-recognized lease intangible asset for $459. The difference between the asset and liability amounts represents lease incentive liabilities, deferred rent and a lease intangible asset that was reclassified to the ROU asset upon adoption. This adoption did not have a significant impact on the Company's consolidated statements of income and did not have an impact on the Company's cash flows. Disclosures required by the update are presented in Note 6, "Leases" in the notes to the 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 were required to prospectively apply the amendments in this ASU to annual periods beginning after December 15, 2018, including interim periods. The adoption of this update did not have an impact on the Company's consolidated financial statements.

Newly issued not yet effective accounting standards:

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. The new model will require institutions to calculate all probable and estimable losses that are expected to be incurred through the financial asset's entire life through a provision for credit losses, including loans obtained as a result of any acquisition not deemed to be purchased credit deteriorated (PCD). CECL also requires the allowance for credit losses for PCD loans to be determined in a manner similar to that of other financial assets measured at amortized cost; however, the initial allowance will be added to the purchase price rather than recorded as provision expense. The disclosure of credit quality indicators related to the amortized cost of financing receivables will be further disaggregated by year of origination (or vintage). Institutions are to apply the changes through a cumulative-effect adjustment to their retained earnings as of the beginning of the first reporting period in which the standard is effective.

ASU 2016-13 will become effective for interim and annual periods beginning after December 15, 2019.  Management has established a CECL implementation working group, which includes the appropriate members of management to evaluate the impact the adoption of this ASU will have on the Company's financial statements and disclosures and determine the most appropriate method of implementing the amendments in this ASU. The working group has selected a software vendor and is working on identifying data needs for modeling inputs and identifying appropriate modeling methodologies across our loan segments. During 2019, the Company is focused on model completion and finalizing assumptions with parallel processing of our existing allowance for loan losses model with the CECL model targeted for the second half of 2019, depending on how model completion and validation progresses. Management is also working to establish appropriate accounting policies to address new processes and controls under this update. The Company is currently evaluating the impact of this adoption on it’s financial statements and disclosures and currently expects to record a one-time adjustment to retained earnings to increase the allowance for loan losses, however the magnitude of this adjustment cannot currently be reasonably quantified. Management expects to disclose a range estimate of this impact on Form 10-Q for the quarterly period ended September 30, 2019.

In December 2018, the OCC, the Board of Governors of the Federal Reserve System, and the FDIC approved a final rule to address changes to credit loss accounting under GAAP, including banking organizations’ implementation of CECL. The final rule provides banking organizations the option to phase in over a three-year period the day-one adverse effects on regulatory capital that may result from the adoption of the new accounting standard.

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 2017-04 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. Management does not expect adoption of this standard to have any impact on the Company's consolidated financial statements or disclosures.

In June 2018, FASB issued ASU 2018-07, "Compensation-Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting", which expands the scope of topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. Consistent with the accounting for employee share-based payment awards, nonemployee share-based payment awards will be measured at grant-date fair value of the equity instruments obligated to be issued when the good has been delivered or the service rendered and any other conditions necessary to earn the right to benefit from the instruments have been satisfied. This ASU is effective for all entities for fiscal years beginnings after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. Early adoption is permitted. The Company does not expect adoption of this standard to have a significant impact on the consolidated financial statements or disclosures.

In August 2018, the FASB issued "Accounting Standards Update 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurements." This update is part of the disclosure framework project and eliminates certain disclosure requirements for fair value measurements, requires entities to disclose new information, and modifies existing disclosure requirements. The new disclosure guidance is effective for fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact this change will have on its consolidated financial statements and disclosures.

In March 2019, FASB issued ASU 2019-01, "Leases (Topic 842): Codification Improvements", which align the guidance for fair value of the underlying assets by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. As a result, the fair value of the underlying asset at lease commencement is its cost, reflecting any volume or trade discounts that may apply. However, if there has been a significant lapse of time between when the underlying asset is acquired and when the lease commences, the definition of fair value in Topic 820, Fair Value Measurement should be applied. ASU No. 2019-01 also requires lessors within the scope of Topic 942, "Financial Services—Depository and Lending", to present all “principal payments received under leases” within investing activities. The amendments in this update become effective for fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of this change on its consolidated financial statements and disclosures, but it is not expected to have a material impact.

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Basis of presentation (Tables)

3 Months Ended

Mar. 31, 2019

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:

	Three Months Ended March 31,
	2019			2018
Basic earnings per common share calculation:
Net income	$	19,588		$	19,754
Dividends paid on and undistributed earnings allocated to participating securities	(105		)	—
Earnings attributable to common shareholders	$	19,483		$	19,754
Weighted-average basic shares outstanding	30,786,684			30,613,284
Basic earnings per common share	$	0.63		$	0.65
Diluted earnings per common share:
Earnings attributable to common shareholders	19,483			19,754
Weighted-average basic shares outstanding	30,786,684			30,613,284
Weighted-average diluted shares contingently issuable	562,514			808,546
Weighted-average diluted shares outstanding	31,349,198			31,421,830
Diluted earnings per common share	$	0.62		$	0.63

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Investment securities (Tables)

3 Months Ended

Mar. 31, 2019

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 March 31, 2019 and December 31, 2018 are shown below:

	March 31, 2019
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Investment Securities
Available-for-sale debt securities
U.S. government agency securities	$	1,000	$	—	$	(7	)	$	993
Mortgage-backed securities - residential	516,917		2,407		(7,608		)	511,716
Municipals, tax exempt	144,142		3,904		(406		)	147,640
Treasury securities	7,394		—		(89		)	7,305
Total	$	669,453	$	6,311	$	(8,110	)	$	667,654

	December 31, 2018
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair Value
Investment Securities
Available-for-sale debt securities
U.S. government agency securities	$	1,000	$	—	$	(11	)	$	989
Mortgage-backed securities - residential	520,654		1,191		(13,265		)	508,580
Municipals, tax exempt	138,994		1,565		(1,672		)	138,887
Treasury securities	7,385		—		(143		)	7,242
Total	$	668,033	$	2,756	$	(15,091	)	$	655,698

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.

	March 31, 2019				December 31, 2018
	Available-for-sale				Available-for-sale
	Amortized cost		Fair value		Amortized cost		Fair value
Due in one year or less	$	11,682	$	11,772	$	15,883	$	16,028
Due in one to five years	13,498		13,506		13,806		13,740
Due in five to ten years	16,891		16,974		18,539		18,387
Due in over ten years	110,465		113,686		99,151		98,963
	152,536		155,938		147,379		147,118
Mortgage-backed securities - residential	516,917		511,716		520,654		508,580
Total debt securities	$	669,453	$	667,654	$	668,033	$	655,698

Summary of Sales of Available-for-Sale Securities

Sales of available-for-sale securities were as follows:

	Three Months Ended March 31,
	2019		2018
Proceeds from sales	$	1,758	$	221
Gross realized gains	1		—
Gross realized losses	7		9

Schedule of Gross Unrealized Losses

The following tables show gross unrealized losses at March 31, 2019 and December 31, 2018, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	March 31, 2019
	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	$	—	$	—		$	993	$	(7	)	$	993	$	(7	)
Mortgage-backed securities - residential	4,913		(10		)	357,430		(7,598		)	362,343		(7,608		)
Municipals, tax exempt	—		—			21,580		(406		)	21,580		(406		)
Treasury securities	—		—			7,305		(89		)	7,305		(89		)
Total	$	4,913	$	(10	)	$	387,308	$	(8,100	)	$	392,221	$	(8,110	)

	December 31, 2018
	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	$	—	$	—		$	989	$	(11	)	$	989	$	(11	)
Mortgage-backed securities - residential	60,347		(478		)	335,769		(12,787		)	396,116		(13,265		)
Municipals, tax exempt	27,511		(366		)	25,343		(1,306		)	52,854		(1,672		)
Treasury securities	—		—			7,242		(143		)	7,242		(143		)
Total	$	87,858	$	(844	)	$	369,343	$	(14,247	)	$	457,201	$	(15,091	)

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Loans and allowance for loan losses (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Loans Outstanding by Major Lending Classification

Loans outstanding at March 31, 2019 and December 31, 2018, by major lending classification are as follows:

	March 31,			December 31,
	2019			2018
Commercial and industrial	$	888,345		$	867,083
Construction	539,065			556,051
Residential real estate:
1-to-4 family mortgage	552,239			555,815
Residential line of credit	187,415			190,480
Multi-family mortgage	71,532			75,457
Commercial real estate:
Owner occupied	499,123			493,524
Non-owner occupied	816,880			700,248
Consumer and other	232,192			228,853
Gross loans	3,786,791			3,667,511
Less: Allowance for loan losses	(29,814		)	(28,932		)
Net loans	$	3,756,977		$	3,638,579

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.

	Three Months Ended March 31,
	2019			2018
Balance at the beginning of period	$	(16,587	)	$	(17,682	)
Principal reductions and other reclassifications from nonaccretable difference	220			(1,294		)
Accretion	2,183			2,201
Changes in expected cash flows	(630		)	(180		)
Balance at end of period	$	(14,814	)	$	(16,955	)

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 three months ended March 31, 2019 and 2018:

	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
Three Months Ended March 31, 2019
Beginning balance - December 31, 2018	$	5,348		$	9,729	$	3,428		$	811		$	566		$	3,132		$	4,149	$	1,769		$	28,932
Provision for loan losses	333			28		(65		)	(73		)	(27		)	(121		)	434		882			1,391
Recoveries of loans previously charged-off	12			1		13			25			—			87			—		224			362
Loans charged off	(179		)	—		(81		)	(32		)	—			—			—		(579		)	(871		)
Ending balance - March 31, 2019	$	5,514		$	9,758	$	3,295		$	731		$	539		$	3,098		$	4,583	$	2,296		$	29,814

	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
Three Months Ended March 31, 2018
Beginning balance - December 31, 2017	$	4,461		$	7,135	$	3,197		$	944		$	434	$	3,558		$	2,817		$	1,495		$	24,041
Provision for loan losses	202			479		(30		)	214			15		(567		)	(115		)	119			317
Recoveries of loans previously charged-off	135			252		15			27			—		23			51			206			709
Loans charged off	(220		)	—		(60		)	(20		)	—		—			—			(361		)	(661		)
Ending balance - March 31, 2018	$	4,578		$	7,866	$	3,122		$	1,165		$	449	$	3,014		$	2,753		$	1,459		$	24,406

Allocation of Allowance for Loan Losses by Loan Category Broken Out Between Loans Individually and Collectively Evaluated for Impairment

The following tables provides the allocation of the allowance for loan losses by loan category broken out between loans individually evaluated for impairment, loans collectively evaluated for impairment and loans acquired with deteriorated credit quality as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	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	$	709	$	—	$	136	$	—	$	—	$	42	$	299	$	—	$	1,186
Collectively evaluated for impairment	4,697		9,711		3,027		731		539		3,039		4,068		1,551		27,363
Acquired with deteriorated credit quality	108		47		132		—		—		17		216		745		1,265
Ending balance - March 31, 2019	$	5,514	$	9,758	$	3,295	$	731	$	539	$	3,098	$	4,583	$	2,296	$	29,814

	December 31, 2018
	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	$	3	$	—	$	7	$	—	$	—	$	53	$	205	$	—	$	268
Collectively evaluated for impairment	5,247		9,677		3,205		811		566		3,066		3,628		1,583		27,783
Acquired with deteriorated credit quality	98		52		216		—		—		13		316		186		881
Ending balance - December 31, 2018	$	5,348	$	9,729	$	3,428	$	811	$	566	$	3,132	$	4,149	$	1,769	$	28,932

Amount of Loans by Loan Category Broken Between Loans Individually and Collectively Evaluated for Impairment

The following tables provides the amount of loans by loan category broken between loans individually evaluated for impairment, loans collectively evaluated for impairment and loans acquired with deteriorated credit quality as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	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	$	4,045	$	1,220	$	874	$	605	$	—	$	2,054	$	6,699	$	71	$	15,568
Collectively evaluated for impairment	882,989		533,238		533,293		186,810		71,532		491,093		796,644		213,060		3,708,659
Acquired with deteriorated credit quality	1,311		4,607		18,072		—		—		5,976		13,537		19,061		62,564
Ending balance - March 31, 2019	$	888,345	$	539,065	$	552,239	$	187,415	$	71,532	$	499,123	$	816,880	$	232,192	$	3,786,791

	December 31, 2018
	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	$	1,847	$	1,221	$	987	$	245	$	—	$	2,608	$	6,735	$	73	$	13,716
Collectively evaluated for impairment	863,788		549,075		535,451		190,235		75,457		484,900		677,247		208,643		3,584,796
Acquired with deteriorated credit quality	1,448		5,755		19,377		—		—		6,016		16,266		20,137		68,999
Ending balance - December 31, 2018	$	867,083	$	556,051	$	555,815	$	190,480	$	75,457	$	493,524	$	700,248	$	228,853	$	3,667,511

Credit Quality Indicators by Portfolio Class

The following tables show credit quality indicators by portfolio class at March 31, 2019 and December 31, 2018:

March 31, 2019	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	830,017	$	49,599	$	7,418	$	887,034
Construction	528,421		4,717		1,320		534,458
Residential real estate:
1-to-4 family mortgage	519,688		6,046		8,433		534,167
Residential line of credit	183,448		1,337		2,630		187,415
Multi-family mortgage	71,460		72		—		71,532
Commercial real estate:
Owner occupied	463,724		15,857		13,566		493,147
Non-owner occupied	785,933		10,301		7,109		803,343
Consumer and other	208,442		2,982		1,707		213,131
Total loans, excluding purchased credit impaired loans	$	3,591,133	$	90,911	$	42,183	$	3,724,227
Purchased credit impaired loans
Commercial and industrial	$	—	$	828	$	483	$	1,311
Construction	—		3,719		888		4,607
Residential real estate:
1-to-4 family mortgage	—		13,644		4,428		18,072
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,080		1,896		5,976
Non-owner occupied	—		5,608		7,929		13,537
Consumer and other	—		16,122		2,939		19,061
Total purchased credit impaired loans	$	—	$	44,001	$	18,563	$	62,564
Total loans	$	3,591,133	$	134,912	$	60,746	$	3,786,791

December 31, 2018	Pass		Watch		Substandard		Total
Loans, excluding purchased credit impaired loans
Commercial and industrial	$	804,447	$	52,624	$	8,564	$	865,635
Construction	543,953		5,012		1,331		550,296
Residential real estate:
1-to-4 family mortgage	519,541		8,697		8,200		536,438
Residential line of credit	186,753		1,039		2,688		190,480
Multi-family mortgage	75,381		76		—		75,457
Commercial real estate:
Owner occupied	456,694		16,765		14,049		487,508
Non-owner occupied	667,447		8,881		7,654		683,982
Consumer and other	204,279		2,763		1,674		208,716
Total loans, excluding purchased credit impaired loans	$	3,458,495	$	95,857	$	44,160	$	3,598,512
Purchased credit impaired loans
Commercial and industrial	$	—	$	964	$	484	$	1,448
Construction	—		3,229		2,526		5,755
Residential real estate:
1-to-4 family mortgage	—		14,681		4,696		19,377
Residential line of credit	—		—		—		—
Multi-family mortgage	—		—		—		—
Commercial real estate:
Owner occupied	—		4,110		1,906		6,016
Non-owner occupied	—		8,266		8,000		16,266
Consumer and other	—		15,422		4,715		20,137
Total purchased credit impaired loans	$	—	$	46,672	$	22,327	$	68,999
Total loans	$	3,458,495	$	142,529	$	66,487	$	3,667,511

Past Due Loans

The following tables provide 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 March 31, 2019 and December 31, 2018:

March 31, 2019	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	$	2,998	$	37	$	342	$	883,657	$	1,311	$	888,345
Construction	1,014		—		275		533,169		4,607		539,065
Residential real estate:
1-to-4 family mortgage	1,470		648		3,107		528,942		18,072		552,239
Residential line of credit	730		487		973		185,225		—		187,415
Multi-family mortgage	—		—		—		71,532		—		71,532
Commercial real estate:
Owner occupied	162		117		1,671		491,197		5,976		499,123
Non-owner occupied	795		57		6,973		795,518		13,537		816,880
Consumer and other	1,875		539		380		210,337		19,061		232,192
Total	$	9,044	$	1,885	$	13,721	$	3,699,577	$	62,564	$	3,786,791

December 31, 2018	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	$	999	$	65	$	438	$	864,133	$	1,448	$	867,083
Construction	109		—		283		549,904		5,755		556,051
Residential real estate:
1-to-4 family mortgage	4,919		737		2,704		528,078		19,377		555,815
Residential line of credit	726		957		804		187,993		—		190,480
Multi-family mortgage	—		—		—		75,457		—		75,457
Commercial real estate:
Owner occupied	407		197		2,423		484,481		6,016		493,524
Non-owner occupied	61		77		6,885		676,959		16,266		700,248
Consumer and other	1,987		1,008		148		205,573		20,137		228,853
Total	$	9,208	$	3,041	$	13,685	$	3,572,578	$	68,999	$	3,667,511

Impaired Loans Recognized

Impaired loans recognized in conformity with ASC 310 at March 31, 2019 and December 31, 2018, segregated by class,

were as follows:

March 31, 2019	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	3,186	$	3,186	$	709
Construction	—		—		—
Residential real estate:
1-to-4 family mortgage	405		405		136
Residential line of credit	—		—		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	189		218		42
Non-owner occupied	5,650		5,650		299
Consumer and other	—		—		—
Total	$	9,430	$	9,459	$	1,186
With no related allowance recorded
Commercial and industrial	$	859	$	1,022	$	—
Construction	1,220		1,264		—
Residential real estate:
1-to-4 family mortgage	469		779		—
Residential line of credit	605		613		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	1,865		2,619		—
Non-owner occupied	1,049		1,781		—
Consumer and other	71		71		—
Total	$	6,138	$	8,149	$	—
Total impaired loans	$	15,568	$	17,608	$	1,186

December 31, 2018	Recorded investment		Unpaid principal		Related allowance
With a related allowance recorded:
Commercial and industrial	$	618	$	732	$	3
Construction	—		—		—
Residential real estate:
1-to-4 family mortgage	145		145		7
Residential line of credit	—		—		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	560		641		53
Non-owner occupied	5,686		5,686		205
Consumer and other	—		—		—
Total	$	7,009	$	7,204	$	268
With no related allowance recorded:
Commercial and industrial	$	1,229	$	1,281	$	—
Construction	1,221		1,262		—
Residential real estate:
1-to-4 family mortgage	842		1,151		—
Residential line of credit	245		249		—
Multi-family mortgage	—		—		—
Commercial real estate:
Owner occupied	2,048		2,780		—
Non-owner occupied	1,049		1,781		—
Consumer and other	73		73		—
Total	$	6,707	$	8,577	$	—
Total impaired loans	$	13,716	$	15,781	$	268

Average recorded investment and interest income on a cash basis recognized during the three months ended March 31, 2019 and 2018 on impaired loans, segregated by class, were as follows:

Three months ended March 31, 2019	Average recorded investment		Interest income recognized (cash basis)
With a related allowance recorded:
Commercial and industrial	$	1,902	$	38
Construction	—		—
Residential real estate:
1-to-4 family mortgage	275		2
Residential line of credit	—		—
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	375		2
Non-owner occupied	5,668		—
Consumer and other	—		—
Total	$	8,220	$	42
With no related allowance recorded:
Commercial and industrial	$	1,044	$	14
Construction	1,221		48
Residential real estate:
1-to-4 family mortgage	656		8
Residential line of credit	425		2
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	1,957		28
Non-owner occupied	1,049		—
Consumer and other	72		2
Total	$	6,424	$	102
Total impaired loans	$	14,644	$	144
Three months ended March 31, 2018
With a related allowance recorded:
Commercial and industrial	$	53	$	1
Construction	—		—
Residential real estate:
1-to-4 family mortgage	193		2
Residential line of credit	—		—
Multi-family mortgage	—		—
Commercial real estate:
Owner occupied	715		6
Non-owner occupied	143		2
Consumer and other	—		—
Total	$	1,104	$	11
With no related allowance recorded:
Commercial and industrial	$	1,430	$	16
Construction	1,287		30
Residential real estate:
1-to-4 family mortgage	1,185		13
Residential line of credit	—		—
Multi-family mortgage	971		12
Commercial real estate:
Owner occupied	1,621		32
Non-owner occupied	1,574		7
Consumer and other	27		—
Total	$	8,095	$	110
Total impaired loans	$	9,199	$	121

Financial Effect of TDRs

The following tables present the financial effect of TDRs recorded during the periods indicated:

Three Months Ended March 31, 2019	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Commercial and industrial	2	$	3,188	$	3,188	$	—
Total	2	$	3,188	$	3,188	$	—

Three Months Ended March 31, 2018	Number of loans	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment		Charge offs and specific reserves
Residential real estate:
1-4 family mortgage	1	$	249	$	249	—
Consumer and other	1	5		5		—
Total	2	$	254	$	254	$	—

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Other real estate owned (Tables)

3 Months Ended

Mar. 31, 2019

Real Estate [Abstract]

Summary of Other Real Estate Owned

The following table summarizes the other real estate owned for the three months ended March 31, 2019 and 2018:

	Three Months Ended
	March 31,
	2019			2018
Balance at beginning of period	$	12,643		$	16,442
Transfers from loans	1,106			630
Properties sold	(716		)	(1,432		)
Loss on sale of other real estate owned	(7		)	(43		)
Transferred to loans	(166		)	(120		)
Write-downs and partial liquidations	(32		)	(143		)
Balance at end of period	$	12,828		$	15,334

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Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Lease, Cost

Information related to the Company's operating leases is presented below:

	March 31,
	2019
Right-of-use assets	$	32,694
Lease liabilities	35,093
Weighted average remaining lease term (in years)	15.65
Weighted average discount rate	3.48		%

The components of lease expense included in Occupancy and equipment expense were as follows:

	Three Months Ended
	March 31,
	2019
Operating lease cost	$	1,112
Short-term lease cost	224
Variable lease cost	100
Total lease cost	$	1,436

Lessee, Operating Lease, Liability, Maturity

A maturity analysis of operating lease liabilities and a reconciliation of undiscounted cash flows to the total operating lease liability is as follows:

	March 31,
	2019
Lease payments due on or before:
March 31, 2020	$	4,670
March 31, 2021	4,604
March 31, 2022	4,308
March 31, 2023	3,332
March 31, 2024	3,176
Thereafter	27,065
Total undiscounted cash flows	47,155
Discount on cash flows	(12,062		)
Total lease liability	$	35,093

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Mortgage servicing rights (Tables)

3 Months Ended

Mar. 31, 2019

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 three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
Carrying value at beginning of period	$	88,829		$	76,107
Capitalization	8,720			13,510
Sales	(29,160		)	—
Change in fair value:
Due to pay-offs/pay-downs	(1,795		)	(3,060		)
Due to change in valuation inputs or assumptions	(2,563		)	6,603
Carrying value at period end	$	64,031		$	93,160

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 three months ended March 31, 2019 and 2018, respectively:

	Three Months Ended March 31,
	2019			2018
Servicing income:
Servicing income	$	4,751		$	4,793
Change in fair value of mortgage servicing rights	(4,358		)	3,543
Change in fair value of derivative hedging instruments	2,477			(5,256		)
Servicing income	2,870			3,080
Servicing expenses	1,744			1,795
Net servicing income	$	1,126		$	1,285

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 March 31, 2019 and December 31, 2018 are as follows:

	March 31,			December 31,
	2019			2018
Unpaid principal balance	$	5,221,109		$	6,755,114
Weighted-average prepayment speed (CPR)	9.83		%	8.58		%
Estimated impact on fair value of a 10% increase	$	(2,493	)	$	(2,072	)
Estimated impact on fair value of a 20% increase	$	(4,813	)	$	(4,006	)
Discount rate	8.99		%	10.45		%
Estimated impact on fair value of a 100 bp increase	$	(2,701	)	$	(2,505	)
Estimated impact on fair value of a 200 bp increase	$	(5,181	)	$	(4,807	)
Weighted-average coupon interest rate	4.42		%	4.21		%
Weighted-average servicing fee (basis points)	29			30
Weighted-average remaining maturity (in months)	319			325

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Income taxes (Tables)

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Allocation of Federal and State Income Taxes between Current and Deferred Portions

llocation of federal and state income taxes between current and deferred portions is presented below:

	For the three months ended March 31,
	2019			2018
Current	$	10,194		$	—
Deferred	(4,219		)	5,482
Total	$	5,975		$	5,482

Schedule of Reconciliation of Income Taxes Computed at the United States Federal Statutory Tax Rates to the Provision for Income Taxes

Federal income tax expense differs from the statutory federal rate of 21% for the three months ended March 31, 2019 and 2018 due to the following:

	For the three months ended March 31,
	2019					2018
Federal taxes calculated at statutory rate	$	5,368		21.0	%	$	5,300		21.0	%
Increase (decrease) resulting from:
State taxes, net of federal benefit	1,138			4.5	%	1,143			4.5	%
Benefit of equity based compensation	(392		)	(1.5	)%	(736		)	(3.0	)%
Municipal interest income, net of interest disallowance	(216		)	(0.8	)%	(201		)	(0.8	)%
Bank owned life insurance	(12		)	—	%	(12		)	—	%
Other	89			0.2	%	(12		)	—	%
Income tax expense, as reported	$	5,975		23.4	%	$	5,482		21.7	%

Schedule of Net Deferred Tax liability

The components of the net deferred tax liability at March 31, 2019 and December 31, 2018, are as follows:

	March 31,			December 31,
	2019			2018
Deferred tax assets:
Allowance for loan losses	$	7,768		$	7,539
Operating lease liability	9,079			—
Amortization of core deposit intangible	1,060			1,012
Deferred compensation	3,802			5,878
Unrealized loss on available-for-sale debt securities	558			3,299
Other	2,012			1,998
Subtotal	24,279			19,726
Deferred tax liabilities:
FHLB stock dividends	(550		)	(550		)
Operating lease - right of use asset	(8,826		)	—
Depreciation	(4,777		)	(4,812		)
Cash flow hedges	(586		)	(736		)
Mortgage servicing rights	(16,684		)	(23,146		)
Other	(7,904		)	(7,145		)
Subtotal	(39,327		)	(36,389		)
Net deferred tax liability	$	(15,048	)	$	(16,663	)

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Commitments and contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Financial instruments with Off-Balance Sheet Credit Risk

The same credit policies are used to make such commitments as are used for loans, including obtaining collateral at exercise of the commitment.

	March 31,		December 31,
	2019		2018
Commitments to extend credit, excluding interest rate lock commitments	$	1,111,472	$	1,032,390
Letters of credit	18,762		19,024
Balance at end of period	$	1,130,234	$	1,051,414

Summary of Allowance for Loan Repurchases or Indemnifications

The following table summarizes the activity in the repurchase reserve:

	For the three months ended March, 31
	2019		2018
Balance at beginning of period	$	3,273	$	3,386
Provision for loan repurchases or indemnifications	59		186
Recoveries on previous losses	—		(58		)
Balance at end of period	$	3,332	$	3,514

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2019

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:

	March 31, 2019
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	346,545	$	9,073	$	9,073
Forward commitments	599,205		—		3,327
Interest rate-lock commitments	492,507		8,121		—
Futures contracts	178,000		1,456		—
Option contracts	8,600		78		—
Total	$	1,624,857	$	18,728	$	12,400

	December 31, 2018
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	295,333	$	6,679	$	6,679
Forward commitments	474,208		—		4,958
Interest rate-lock commitments	318,706		6,241		—
Futures contracts	166,000		649		—
Options contracts	3,800		26		—
Total	$	1,258,047	$	13,595	$	11,637

	March 31, 2019
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	274	$	—

	December 31, 2018
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	721	$	—

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:

	Three Months Ended March 31,
	2019			2018
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	1,880		$	3,411
Forward commitments	(4,404		)	5,318
Futures contracts	1,871			(2,447		)
Option contracts	13			43
Total	$	(640	)	$	6,325

	Three Months Ended March 31,
	2019		2018
Designated as hedging:
Amount of gain (loss) reclassified from other comprehensive    income and recognized in interest expense on borrowings, net of taxes of $33 and $1	$	94	$	(3	)
Gain (loss) included in interest expense on borrowings	55		(29		)
Total	$	149	$	(32	)

The following discloses the amount included in other comprehensive income (loss), net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Three Months Ended March 31,
	2019			2018
Designated as hedging:
Amount of (loss) gain recognized in other comprehensive    income, net of tax	$	(331	)	$	1,271

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Fair value of financial instruments (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Estimated Fair Values of Financial Instruments

The following table contains the estimated fair values and the related carrying values of the Company's financial instruments. Items which are not financial instruments are not included.

	Fair Value
March 31, 2019	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	195,414	$	195,414	$	—	$	—	$	195,414
Investment securities	670,835		—		670,835		—		670,835
Loans, net	3,756,977		—		—		3,746,515		3,746,515
Loans held for sale	248,054		—		248,054		—		248,054
Interest receivable	16,611		—		3,114		13,497		16,611
Mortgage servicing rights	64,031		—		—		64,031		64,031
Derivatives	19,002		—		19,002		—		19,002
Financial liabilities:
Deposits:
Without stated maturities	$	3,159,931	$	3,159,931	$	—	$	—	$	3,159,931
With stated maturities	1,143,260		—		1,147,498		—		1,147,498
Securities sold under agreement to repurchase and federal funds sold	36,695		36,695		—		—		36,695
Federal Home Loan Bank advances	161,553		—		161,654		—		161,654
Subordinated debt	30,930		—		30,000		—		30,000
Interest payable	7,112		294		6,818		—		7,112
Derivatives	12,400		—		12,400		—		12,400

	Fair Value
December 31, 2018	Carrying amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	125,356	$	125,356	$	—	$	—	$	125,356
Investment securities	658,805		—		658,805		—		658,805
Loans, net	3,638,579		—		—		3,630,500		3,630,500
Loans held for sale	278,815		—		278,815		—		278,815
Interest receivable	14,503		—		2,848		11,655		14,503
Mortgage servicing rights	88,829		—		—		88,829		88,829
Derivatives	14,316		—		14,316		—		14,316
Financial liabilities:
Deposits:
Without stated maturities	$	3,051,972	$	3,051,972	$	—	$	—	$	3,051,972
With stated maturities	1,119,745		—		1,122,076		—		1,122,076
Securities sold under agreement to repurchase and federal funds sold	15,081		15,081		—		—		15,081
Federal Home Loan Bank advances	181,765		—		181,864		—		181,864
Subordinated debt	30,930		—		30,000		—		30,000
Interest payable	5,015		530		4,485		—		5,015
Derivatives	11,637		—		11,637		—		11,637

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, 2018 are presented in the following table:

At December 31, 2018	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	$	—	$	989	$	—	$	989
Mortgage-backed securities	—		508,580		—		508,580
Municipals, tax-exempt	—		138,887		—		138,887
Treasury securities	—		7,242		—		7,242
Equity securities	—		3,107		—		3,107
Total	$	—	$	658,805	$	—	$	658,805
Loans held for sale	$	—	$	278,815	$	—	$	278,815
Mortgage servicing rights	—		—		88,829		88,829
Derivatives	—		14,316		—		14,316
Financial Liabilities:
Derivatives	—		11,637		—		11,637

The balances and levels of the assets measured at fair value on a recurring basis at March 31, 2019 are presented in the following table:

March 31, 2019	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	$	—	$	993	$	—	$	993
Mortgage-backed securities	—		511,716		—		511,716
Municipals, tax-exempt	—		147,640		—		147,640
Treasury securities	—		7,305		—		7,305
Equity securities	—		3,181		—		3,181
Total	$	—	$	670,835	$	—	$	670,835
Loans held for sale	$	—	$	248,054	$	—	$	248,054
Mortgage servicing rights	—		—		64,031		64,031
Derivatives	—		19,002		—		19,002
Financial Liabilities:
Derivatives	—		12,400		—		12,400

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 March 31, 2019 are presented in the following table:

At March 31, 2019	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	$	—	$	—	$	1,147	$	1,147
Impaired loans(1):
Commercial and industrial	$	—	$	—	$	3,186	$	3,186
Construction	—		—		6		6
Residential real estate:
1-4 family mortgage	—		—		260		260
Commercial real estate:
Owner occupied	—		—		272		272
Non-owner occupied	—		—		—		—
Consumer and other	—		—		—		—
Total	$	—	$	—	$	3,724	$	3,724

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

The balances and levels of the assets measured at fair value on a non-recurring basis at December 31, 2018 are presented in the following table:

At December 31, 2018	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	$	—	$	—	$	2,266	$	2,266
Impaired Loans(1):
Commercial and industrial	$	—	$	—	$	732	$	732
Construction	—		—		832		832
Residential real estate:
1-4 family mortgage	—		—		146		146
Commercial real estate:
Owner occupied	—		—		87		87
Non-owner occupied	—		—		6,921		6,921
Total	$	—	$	—	$	8,718	$	8,718

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

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 three months ended March 31, 2019 and 2018:

	Available-for-sale securities
	Three Months Ended March 31,
	2019		2018
Balance at beginning of period	$	—	$	3,604
Reclassification of equity securities without a readily determinable fair value to other assets	—		(3,604		)
Balance at end of period	$	—	$	—

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 March 31, 2019 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)	$	3,724	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	1,147	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

The following table presents information as of December 31, 2018 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)	$	8,718	Valuation of collateral	Discount for comparable sales	0%-30%
Other real estate owned	$	2,266	Appraised value of property less costs to sell	Discount for costs to sell	0%-15%

(1) Includes both impaired non-purchased loans and collateral-dependent PCI loans.

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 March 31, 2019 and December 31, 2018:

March 31, 2019	Aggregate fair value		Aggregate Unpaid Principal Balance		Difference
Mortgage loans held for sale measured at fair value	$	247,858	$	238,554	$	9,304
Past due loans of 90 days or more	—		—		—
Nonaccrual loans	196		196		—
December 31, 2018
Mortgage loans held for sale measured at fair value	$	278,418	$	267,907	$	10,511
Past due loans of 90 days or more	—		—		—
Nonaccrual loans	397		397		—

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Segment reporting (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Financial Information

The following tables provides segment financial information for the three months ended March 31, 2019 and 2018 as follows:

Three Months Ended March 31, 2019	Banking		Mortgage			Consolidated
Net interest income	$	52,993	$	23		$	53,016
Provision for loan loss	1,391		—			1,391
Mortgage banking income	4,386		18,516			22,902
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(1,881		)	(1,881		)
Other noninterest income	8,018		—			8,018
Depreciation	1,042		130			1,172
Amortization of intangibles	729		—			729
Other noninterest mortgage banking expense	2,831		17,356			20,187
Other noninterest expense(2)	31,959		1,054			33,013
Income before income taxes	27,445		(1,882		)	25,563
Income tax expense						5,975
Net income						$	19,588
Total assets	$	4,987,744	$	347,412		$	5,335,156
Goodwill	137,090		100			137,190

(1) Included in mortgage banking income.

(2) Included $621 in merger and conversion expenses in banking segment related to the ACBI branch acquisition and $1,054 in mortgage segment related to mortgage business restructuring charges.

Three Months Ended March 31, 2018	Banking		Mortgage			Consolidated
Net interest income	$	48,771	$	(342	)	$	48,429
Provision for loan loss	317		—			317
Mortgage banking income	6,108		22,076			28,184
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(1,713		)	(1,713		)
Other noninterest income	6,804		—			6,804
Depreciation and amortization	978		128			1,106
Amortization of intangibles	853		—			853
Other noninterest mortgage banking expense	5,097		18,782			23,879
Other noninterest expense(2)	30,313		—			30,313
Income before income taxes	24,125		1,111			25,236
Income tax expense						5,482
Net income						$	19,754
Total assets	$	4,220,543	$	504,873		$	4,725,416
Goodwill	137,090		100			137,190

(1) Included in mortgage banking income.

(2) Included $1,193 in merger and conversion expenses.

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Minimum capital requirements (Tables)

3 Months Ended

Mar. 31, 2019

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
March 31, 2019
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	610,686	13.4	%	$	364,589	8.0	%	$	478,523	10.5	%	N/A		N/A
FirstBank	591,594		13.0	%	364,058		8.0	%	477,826		10.5	%	$	455,072	10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	580,872	12.7	%	$	274,428	6.0	%	$	388,773	8.5	%	N/A		N/A
FirstBank	561,780		12.3	%	274,039		6.0	%	388,222		8.5	%	$	365,385	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	580,872	11.5	%	$	202,042	4.0	%	N/A		N/A		N/A		N/A
FirstBank	561,780		11.1	%	202,443		4.0	%	N/A		N/A		$	253,054	5.0	%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	550,872	12.0	%	$	206,577	4.5	%	$	321,342	7.0	%	N/A		N/A
FirstBank	561,780		12.3	%	205,529		4.5	%	319,712		7.0	%	$	296,876	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, 2018
Total Capital (to risk-weighted assets)
FB Financial Corporation	$	582,945	13.0	%	$	358,735	8.0	%	$	442,814	9.9	%	N/A		N/A
FirstBank	561,327		12.5	%	359,249		8.0	%	443,448		9.9	%	$	449,062	10.0	%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	554,013	12.4	%	$	268,071	6.0	%	$	351,843	7.9	%	N/A		N/A
FirstBank	532,395		11.9	%	268,434		6.0	%	352,320		7.9	%	$	357,913	8.0	%
Tier 1 Capital (to average assets)
FB Financial Corporation	$	554,013	11.4	%	$	194,391	4.0	%	N/A		N/A		N/A		N/A
FirstBank	532,395		10.9	%	195,374		4.0	%	N/A		N/A		$	244,218	5.0	%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation	$	524,013	11.7	%	$	201,543	4.5	%	$	285,520	6.4	%	N/A		N/A
FirstBank	532,395		11.9	%	201,326		4.5	%	285,212		6.4	%	$	290,804	6.5	%

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Vested and Unvested Restricted Stock Units Outstanding

The following table summarizes information about vested and unvested restricted stock units, excluding cash-settled EBI units discussed above, outstanding at March 31, 2019 and 2018:

	March 31,
	2019				2018
	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	1,140,215		$	21.96	1,214,325		$	19.97
Grants	142,008		34.01		105,429		39.90
Released and distributed (vested)	(181,958	)	24.91		(170,160	)	21.24
Forfeited/expired	(4,343	)	27.67		(5,556	)	19.00
Balance at end of period	1,095,922		$	23.30	1,144,038		$	21.11

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Related party transactions (Tables)

3 Months Ended

Mar. 31, 2019

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, 2018	$	32,264
New loans and advances	1,225
Change in related party status	(9,614		)
Repayments	(219		)
Loans outstanding at March 31, 2019	$	23,656

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Basis of presentation - Additional Information (Details) $ / shares in Units, $ in Thousands				3 Months Ended
	May 16, 2019 USD ($)	Apr. 18, 2019 $ / shares	Apr. 05, 2019 branch	Mar. 31, 2019 USD ($) branch $ / shares	Jun. 30, 2018 shares	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jan. 01, 2018 USD ($)
Class of Stock [Line Items]
Number of full-service branches | branch				56
Cash dividends declared (USD per share) | $ / shares				$ 0.08
Operating lease right-of-use assets				$ 32,694			$ 0
Operating lease liabilities				35,093			0
Cumulative effect of new accounting principal						$ (1,309)		$ 0
Leasehold improvements				87,013			86,882
Finite lived intangible assets				$ 10,439			$ 11,628
Accounting Standards Update 2016-02
Class of Stock [Line Items]
Operating lease right-of-use assets						32,545
Operating lease liabilities						34,876
Secondary Public Offering
Class of Stock [Line Items]
Common stock sold and issued, shares (in shares) | shares					3,680,000
Retained earnings
Class of Stock [Line Items]
Cumulative effect of new accounting principal						(1,309)		$ (109)
Retained earnings | Accounting Standards Update 2016-02
Class of Stock [Line Items]
Cumulative effect of new accounting principal						(1,309)
Cumulative effect of new accounting principle in period of adoption, net of deferred taxes						461
Subsequent Event
Class of Stock [Line Items]
Cash dividends declared (USD per share) | $ / shares		$ 0.08
Dividends declared	$ 2,557
Subsequent Event | Atlantic Capital Bank | TENNESSEE
Class of Stock [Line Items]
Number of branches acquired | branch			11
Subsequent Event | Atlantic Capital Bank | GEORGIA
Class of Stock [Line Items]
Number of branches acquired | branch			3
James W. Ayers
Class of Stock [Line Items]
Percentage of voting power (less than)				50.00%
Lease Agreements | Accounting Standards Update 2016-02
Class of Stock [Line Items]
Finite lived intangible assets						(459)
Leasehold improvements | Accounting Standards Update 2016-02
Class of Stock [Line Items]
Leasehold improvements						$ 1,020

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Basis of presentation - Schedule of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Basic earnings per common share calculation:
Net income	$ 19,588	$ 19,754
Dividends paid on and undistributed earnings allocated to participating securities	(105)	0
Earnings attributable to common shareholders	$ 19,483	$ 19,754
Weighted-average basic shares outstanding (in shares)	30,786,684	30,613,284
Basic earnings per common share (in dollars per share)	$ 0.63	$ 0.65
Diluted earnings per common share:
Earnings attributable to common shareholders	$ 19,483	$ 19,754
Weighted-average basic shares outstanding (in shares)	30,786,684	30,613,284
Weighted-average diluted shares contingently issuable (in shares)	562,514	808,546
Weighted-average diluted shares outstanding (in shares)	31,349,198	31,421,830
Diluted earnings per common share (in dollars per share)	$ 0.62	$ 0.63

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Mergers and acquisitions - Atlantic Capital Bank Narrative (Details) $ in Thousands		3 Months Ended
	Apr. 05, 2019 USD ($) branch	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Business Acquisition [Line Items]
Merger related expenses		$ 621	$ 1,193
Subsequent Event | Atlantic Capital Bank
Business Acquisition [Line Items]
Deposits assumed in acquisition	$ 598,000
Loans	$ 385,000
Percent of book value for acquired loans	99.32%
Deposit premium percentage	6.25%
Subsequent Event | TENNESSEE | Atlantic Capital Bank
Business Acquisition [Line Items]
Number of branches acquired | branch	11
Subsequent Event | GEORGIA | Atlantic Capital Bank
Business Acquisition [Line Items]
Number of branches acquired | branch	3

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Investment securities - Summary of Amortized Cost of Securities and Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 669,453	$ 668,033
Gross unrealized gains	6,311	2,756
Gross unrealized losses	(8,110)	(15,091)
Fair Value	667,654	655,698
U.S. government agency securities
Debt Securities, Available-for-sale [Abstract]
Amortized cost	1,000	1,000
Gross unrealized gains	0	0
Gross unrealized losses	(7)	(11)
Fair Value	993	989
Mortgage-backed securities - residential
Debt Securities, Available-for-sale [Abstract]
Amortized cost	516,917	520,654
Gross unrealized gains	2,407	1,191
Gross unrealized losses	(7,608)	(13,265)
Fair Value	511,716	508,580
Municipals, tax exempt
Debt Securities, Available-for-sale [Abstract]
Amortized cost	144,142	138,994
Gross unrealized gains	3,904	1,565
Gross unrealized losses	(406)	(1,672)
Fair Value	147,640	138,887
Treasury securities
Debt Securities, Available-for-sale [Abstract]
Amortized cost	7,394	7,385
Gross unrealized gains	0	0
Gross unrealized losses	(89)	(143)
Fair Value	$ 7,305	$ 7,242

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Investment securities - Narrative (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) security	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($) security
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, at fair value	$ 3,181,000		$ 3,107,000
Net gains (losses) on marketable equity securities	$ 49,000	$ (38,000)
Number of securities in securities portfolio | security	353		360
Number of securities in securities portfolio, unrealized loss position | security	116		174
Other than temporary impairment	$ 0	$ 0
Trade Date Payables
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale securities	2,524,000		$ 2,120,000
Collateral Pledged
Debt and Equity Securities, FV-NI [Line Items]
Securities pledged	$ 330,966,000		$ 326,215,000

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Investment securities - Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Amortized cost
Amortized cost, due in one year or less	$ 11,682	$ 15,883
Amortized costs, due in one to five years	13,498	13,806
Amortized cost, due in five to ten years	16,891	18,539
Amortized cost, due in over ten years	110,465	99,151
Amortized cost, total	152,536	147,379
Mortgage-backed securities - residential, amortized cost	516,917	520,654
Amortized cost	669,453	668,033
Fair value
Fair value, due in one year or less	11,772	16,028
Fair value, due in one to five years	13,506	13,740
Fair value, due in five to ten years	16,974	18,387
Fair value, due in over ten years	113,686	98,963
Fair value, total	155,938	147,118
Mortgage-backed securities - residential, fair value	511,716	508,580
Total debt securities, Fair value	$ 667,654	$ 655,698

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Investment securities - Summary of Sales of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Sales	$ 1,758	$ 221
Gross realized gains	1	0
Gross realized losses	$ 7	$ 9

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Investment securities - Schedule of Gross Unrealized Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Abstract]
Debt securities, available-for-sale, unrealized loss, less than 12 months, fair value	$ 4,913	$ 87,858
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, accumulated loss	(10)	(844)
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, fair value	387,308	369,343
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss	(8,100)	(14,247)
Debt securities, available-for-sale, continuous unrealized loss position, fair value	392,221	457,201
Debt securities, available-for-sale, unrealized loss position, accumulated loss	(8,110)	(15,091)
U.S. government agency securities
Debt Securities, Available-for-sale [Abstract]
Debt securities, available-for-sale, unrealized loss, less than 12 months, fair value	0	0
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, accumulated loss	0	0
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, fair value	993	989
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss	(7)	(11)
Debt securities, available-for-sale, continuous unrealized loss position, fair value	993	989
Debt securities, available-for-sale, unrealized loss position, accumulated loss	(7)	(11)
Mortgage-backed securities - residential
Debt Securities, Available-for-sale [Abstract]
Debt securities, available-for-sale, unrealized loss, less than 12 months, fair value	4,913	60,347
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, accumulated loss	(10)	(478)
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, fair value	357,430	335,769
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss	(7,598)	(12,787)
Debt securities, available-for-sale, continuous unrealized loss position, fair value	362,343	396,116
Debt securities, available-for-sale, unrealized loss position, accumulated loss	(7,608)	(13,265)
Municipals, tax exempt
Debt Securities, Available-for-sale [Abstract]
Debt securities, available-for-sale, unrealized loss, less than 12 months, fair value	0	27,511
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, accumulated loss	0	(366)
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, fair value	21,580	25,343
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss	(406)	(1,306)
Debt securities, available-for-sale, continuous unrealized loss position, fair value	21,580	52,854
Debt securities, available-for-sale, unrealized loss position, accumulated loss	(406)	(1,672)
Treasury securities
Debt Securities, Available-for-sale [Abstract]
Debt securities, available-for-sale, unrealized loss, less than 12 months, fair value	0	0
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, accumulated loss	0	0
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, fair value	7,305	7,242
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss	(89)	(143)
Debt securities, available-for-sale, continuous unrealized loss position, fair value	7,305	7,242
Debt securities, available-for-sale, unrealized loss position, accumulated loss	$ (89)	$ (143)

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Loans and allowance for loan losses- Loans Outstanding by Major Lending Classification (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	$ 3,786,791	$ 3,667,511
Less: Allowance for loan losses	(29,814)	(28,932)	$ (24,406)	$ (24,041)
Net loans	3,756,977	3,638,579
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	888,345	867,083
Less: Allowance for loan losses	(5,514)	(5,348)	(4,578)	(4,461)
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	539,065	556,051
Less: Allowance for loan losses	(9,758)	(9,729)	(7,866)	(7,135)
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	552,239	555,815
Less: Allowance for loan losses	(3,295)	(3,428)	(3,122)	(3,197)
Residential real estate: | Residential line of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	187,415	190,480
Less: Allowance for loan losses	(731)	(811)	(1,165)	(944)
Residential real estate: | Multi-family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	71,532	75,457
Less: Allowance for loan losses	(539)	(566)	(449)	(434)
Commercial real estate: | Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	499,123	493,524
Less: Allowance for loan losses	(3,098)	(3,132)	(3,014)	(3,558)
Commercial real estate: | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	816,880	700,248
Less: Allowance for loan losses	(4,583)	(4,149)	(2,753)	(2,817)
Consumer and other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross loans	232,192	228,853
Less: Allowance for loan losses	$ (2,296)	$ (1,769)	$ (1,459)	$ (1,495)

XML

Loans and allowance for loan losses - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Carrying value of PCI loans	$ 62,564,000		$ 68,999,000
Accretion of interest income	1,831,000	$ 1,687,000
Non-accrual loans	2,568,000		2,703,000
Recorded investment in troubled debt restructurings	8,953,000		6,794,000
Allocation to specific reserves	63,000		63,000
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	62,564,000		68,999,000
Purchase accounting liquidity discount	2,093,000		2,436,000
Purchase accounting non accretable credit discount	3,480,000		4,355,000
Accretion of interest income	2,183,000	2,201,000
Total purchase accounting contribution through accretion for purchased loans	1,831,000	$ 1,687,000
Non-accrual loans	0		0
Non-Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Purchase accounting liquidity discount	1,907,000		2,197,000
Purchase accounting accretable credit discount	7,025,000		7,527,000
Federal Reserve
Financing Receivable, Recorded Investment, Past Due [Line Items]
Pledged loans to the Federal Reserve Bank	1,365,193,000		1,336,092,000
Residential Mortgage Loans | Federal Home Loan Bank of Cincinnati
Financing Receivable, Recorded Investment, Past Due [Line Items]
Pledge loans for Federal Home Loan Bank Debt	681,154,000		618,976,000
Commercial Loan | Federal Home Loan Bank of Cincinnati
Financing Receivable, Recorded Investment, Past Due [Line Items]
Pledge loans for Federal Home Loan Bank Debt	$ 439,831,000		$ 608,735,000

XML

Loans and allowance for loan losses - Changes in Value of Accretable Yield for PCI Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Accretion	$ 1,831	$ 1,687
Purchased Credit Impaired
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at the beginning of period	(16,587)	(17,682)
Principal reductions and other reclassifications from nonaccretable difference	(220)	1,294
Accretion	2,183	2,201
Changes in expected cash flows	(630)	(180)
Balance at end of period	$ (14,814)	$ (16,955)

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	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 28,932	$ 24,041
Provision for loan losses	1,391	317
Recoveries of loans previously charged-off	362	709
Loans charged off	(871)	(661)
Ending balance	29,814	24,406
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,348	4,461
Provision for loan losses	333	202
Recoveries of loans previously charged-off	12	135
Loans charged off	(179)	(220)
Ending balance	5,514	4,578
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	9,729	7,135
Provision for loan losses	28	479
Recoveries of loans previously charged-off	1	252
Loans charged off	0	0
Ending balance	9,758	7,866
Residential real estate: | 1-to-4 family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,428	3,197
Provision for loan losses	(65)	(30)
Recoveries of loans previously charged-off	13	15
Loans charged off	(81)	(60)
Ending balance	3,295	3,122
Residential real estate: | Residential line of credit
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	811	944
Provision for loan losses	(73)	214
Recoveries of loans previously charged-off	25	27
Loans charged off	(32)	(20)
Ending balance	731	1,165
Residential real estate: | Multi-family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	566	434
Provision for loan losses	(27)	15
Recoveries of loans previously charged-off	0	0
Loans charged off	0	0
Ending balance	539	449
Commercial real estate: | Owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,132	3,558
Provision for loan losses	(121)	(567)
Recoveries of loans previously charged-off	87	23
Loans charged off	0	0
Ending balance	3,098	3,014
Commercial real estate: | Non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,149	2,817
Provision for loan losses	434	(115)
Recoveries of loans previously charged-off	0	51
Loans charged off	0	0
Ending balance	4,583	2,753
Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,769	1,495
Provision for loan losses	882	119
Recoveries of loans previously charged-off	224	206
Loans charged off	(579)	(361)
Ending balance	$ 2,296	$ 1,459

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	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 1,186	$ 268
Collectively evaluated for impairment	27,363	27,783
Acquired with deteriorated credit quality	1,265	881
Ending balance	29,814	28,932	$ 24,406	$ 24,041
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	709	3
Collectively evaluated for impairment	4,697	5,247
Acquired with deteriorated credit quality	108	98
Ending balance	5,514	5,348	4,578	4,461
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	9,711	9,677
Acquired with deteriorated credit quality	47	52
Ending balance	9,758	9,729	7,866	7,135
Residential real estate: | 1-to-4 family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	136	7
Collectively evaluated for impairment	3,027	3,205
Acquired with deteriorated credit quality	132	216
Ending balance	3,295	3,428	3,122	3,197
Residential real estate: | Residential line of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	731	811
Acquired with deteriorated credit quality	0	0
Ending balance	731	811	1,165	944
Residential real estate: | Multi-family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	539	566
Acquired with deteriorated credit quality	0	0
Ending balance	539	566	449	434
Commercial real estate: | Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	42	53
Collectively evaluated for impairment	3,039	3,066
Acquired with deteriorated credit quality	17	13
Ending balance	3,098	3,132	3,014	3,558
Commercial real estate: | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	299	205
Collectively evaluated for impairment	4,068	3,628
Acquired with deteriorated credit quality	216	316
Ending balance	4,583	4,149	2,753	2,817
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,551	1,583
Acquired with deteriorated credit quality	745	186
Ending balance	$ 2,296	$ 1,769	$ 1,459	$ 1,495

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	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 15,568	$ 13,716
Collectively evaluated for impairment	3,708,659	3,584,796
Acquired with deteriorated credit quality	62,564	68,999
Loans	3,786,791	3,667,511
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	4,045	1,847
Collectively evaluated for impairment	882,989	863,788
Acquired with deteriorated credit quality	1,311	1,448
Loans	888,345	867,083
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	1,220	1,221
Collectively evaluated for impairment	533,238	549,075
Acquired with deteriorated credit quality	4,607	5,755
Loans	539,065	556,051
Residential real estate: | 1-to-4 family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	874	987
Collectively evaluated for impairment	533,293	535,451
Acquired with deteriorated credit quality	18,072	19,377
Loans	552,239	555,815
Residential real estate: | Residential line of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	605	245
Collectively evaluated for impairment	186,810	190,235
Acquired with deteriorated credit quality	0	0
Loans	187,415	190,480
Residential real estate: | Multi-family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	71,532	75,457
Acquired with deteriorated credit quality	0	0
Loans	71,532	75,457
Commercial real estate: | Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	2,054	2,608
Collectively evaluated for impairment	491,093	484,900
Acquired with deteriorated credit quality	5,976	6,016
Loans	499,123	493,524
Commercial real estate: | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	6,699	6,735
Collectively evaluated for impairment	796,644	677,247
Acquired with deteriorated credit quality	13,537	16,266
Loans	816,880	700,248
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	71	73
Collectively evaluated for impairment	213,060	208,643
Acquired with deteriorated credit quality	19,061	20,137
Loans	$ 232,192	$ 228,853

XML

Loans and allowance for loan losses - Credit Quality Indicators by Portfolio Class (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	$ 3,724,227	$ 3,598,512
Purchased credit impaired loans	62,564	68,999
Loans	3,786,791	3,667,511
Pass
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	3,591,133	3,458,495
Purchased credit impaired loans	0	0
Loans	3,591,133	3,458,495
Watch
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	90,911	95,857
Purchased credit impaired loans	44,001	46,672
Loans	134,912	142,529
Substandard
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	42,183	44,160
Purchased credit impaired loans	18,563	22,327
Loans	60,746	66,487
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	887,034	865,635
Purchased credit impaired loans	1,311	1,448
Loans	888,345	867,083
Commercial and industrial | Pass
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	830,017	804,447
Purchased credit impaired loans	0	0
Commercial and industrial | Watch
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	49,599	52,624
Purchased credit impaired loans	828	964
Commercial and industrial | Substandard
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	7,418	8,564
Purchased credit impaired loans	483	484
Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	534,458	550,296
Purchased credit impaired loans	4,607	5,755
Loans	539,065	556,051
Construction | Pass
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	528,421	543,953
Purchased credit impaired loans	0	0
Construction | Watch
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	4,717	5,012
Purchased credit impaired loans	3,719	3,229
Construction | Substandard
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,320	1,331
Purchased credit impaired loans	888	2,526
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	534,167	536,438
Purchased credit impaired loans	18,072	19,377
Loans	552,239	555,815
Residential real estate: | Residential line of credit
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	187,415	190,480
Purchased credit impaired loans	0	0
Loans	187,415	190,480
Residential real estate: | Multi-family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	71,532	75,457
Purchased credit impaired loans	0	0
Loans	71,532	75,457
Residential real estate: | Pass | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	519,688	519,541
Purchased credit impaired loans	0	0
Residential real estate: | Pass | Residential line of credit
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	183,448	186,753
Purchased credit impaired loans	0	0
Residential real estate: | Pass | Multi-family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	71,460	75,381
Purchased credit impaired loans	0	0
Residential real estate: | Watch | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	6,046	8,697
Purchased credit impaired loans	13,644	14,681
Residential real estate: | Watch | Residential line of credit
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,337	1,039
Purchased credit impaired loans	0	0
Residential real estate: | Watch | Multi-family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	72	76
Purchased credit impaired loans	0	0
Residential real estate: | Substandard | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	8,433	8,200
Purchased credit impaired loans	4,428	4,696
Residential real estate: | Substandard | Residential line of credit
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	2,630	2,688
Purchased credit impaired loans	0	0
Residential real estate: | Substandard | Multi-family mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	0	0
Purchased credit impaired loans	0	0
Commercial real estate: | Owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	493,147	487,508
Purchased credit impaired loans	5,976	6,016
Loans	499,123	493,524
Commercial real estate: | Non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	803,343	683,982
Purchased credit impaired loans	13,537	16,266
Loans	816,880	700,248
Commercial real estate: | Pass | Owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	463,724	456,694
Purchased credit impaired loans	0	0
Commercial real estate: | Pass | Non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	785,933	667,447
Purchased credit impaired loans	0	0
Commercial real estate: | Watch | Owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	15,857	16,765
Purchased credit impaired loans	4,080	4,110
Commercial real estate: | Watch | Non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	10,301	8,881
Purchased credit impaired loans	5,608	8,266
Commercial real estate: | Substandard | Owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	13,566	14,049
Purchased credit impaired loans	1,896	1,906
Commercial real estate: | Substandard | Non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	7,109	7,654
Purchased credit impaired loans	7,929	8,000
Consumer and other
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	213,131	208,716
Purchased credit impaired loans	19,061	20,137
Loans	232,192	228,853
Consumer and other | Pass
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	208,442	204,279
Purchased credit impaired loans	0	0
Consumer and other | Watch
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	2,982	2,763
Purchased credit impaired loans	16,122	15,422
Consumer and other | Substandard
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans, excluding purchased credit impaired loans	1,707	1,674
Purchased credit impaired loans	$ 2,939	$ 4,715

XML

Loans and allowance for loan losses - Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 3,786,791	$ 3,667,511
Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	62,564	68,999
Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	13,721	13,685
30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	9,044	9,208
90 Days or More and Accruing Interest
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,885	3,041
Financing Receivables Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,699,577	3,572,578
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	888,345	867,083
Commercial and industrial | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,311	1,448
Commercial and industrial | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	342	438
Commercial and industrial | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,998	999
Commercial and industrial | 90 Days or More and Accruing Interest
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	37	65
Commercial and industrial | Financing Receivables Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	883,657	864,133
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	539,065	556,051
Construction | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	4,607	5,755
Construction | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	275	283
Construction | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,014	109
Construction | 90 Days or More and Accruing Interest
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Construction | Financing Receivables Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	533,169	549,904
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	552,239	555,815
Residential real estate: | 1-to-4 family mortgage | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	18,072	19,377
Residential real estate: | 1-to-4 family mortgage | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,107	2,704
Residential real estate: | Residential line of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	187,415	190,480
Residential real estate: | Residential line of credit | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Residential real estate: | Residential line of credit | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	973	804
Residential real estate: | Multi-family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	71,532	75,457
Residential real estate: | Multi-family mortgage | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Residential real estate: | Multi-family mortgage | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Residential real estate: | 30-89 Days Past Due | 1-to-4 family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,470	4,919
Residential real estate: | 30-89 Days Past Due | Residential line of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	730	726
Residential real estate: | 30-89 Days Past Due | Multi-family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Residential real estate: | 90 Days or More and Accruing Interest | 1-to-4 family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	648	737
Residential real estate: | 90 Days or More and Accruing Interest | Residential line of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	487	957
Residential real estate: | 90 Days or More and Accruing Interest | Multi-family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	0
Residential real estate: | Financing Receivables Current | 1-to-4 family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	528,942	528,078
Residential real estate: | Financing Receivables Current | Residential line of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	185,225	187,993
Residential real estate: | Financing Receivables Current | Multi-family mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	71,532	75,457
Commercial real estate: | Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	499,123	493,524
Commercial real estate: | Owner occupied | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	5,976	6,016
Commercial real estate: | Owner occupied | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,671	2,423
Commercial real estate: | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	816,880	700,248
Commercial real estate: | Non-owner occupied | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	13,537	16,266
Commercial real estate: | Non-owner occupied | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	6,973	6,885
Commercial real estate: | 30-89 Days Past Due | Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	162	407
Commercial real estate: | 30-89 Days Past Due | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	795	61
Commercial real estate: | 90 Days or More and Accruing Interest | Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	117	197
Commercial real estate: | 90 Days or More and Accruing Interest | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	57	77
Commercial real estate: | Financing Receivables Current | Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	491,197	484,481
Commercial real estate: | Financing Receivables Current | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	795,518	676,959
Consumer and other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	232,192	228,853
Consumer and other | Purchased Credit Impaired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	19,061	20,137
Consumer and other | Non Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	380	148
Consumer and other | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,875	1,987
Consumer and other | 90 Days or More and Accruing Interest
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	539	1,008
Consumer and other | Financing Receivables Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 210,337	$ 205,573

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Loans and allowance for loan losses - Impaired Loans Recognized, Segregated by Class (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	$ 9,430	$ 7,009
Impaired loans with related allowance, unpaid principal	9,459	7,204
Impaired loans with related allowance, related allowance	1,186	268
Impaired loan with no related allowance, recorded investment	6,138	6,707
Impaired loan with no related allowance, unpaid principal	8,149	8,577
Total impaired loans, recorded investment	15,568	13,716
Total impaired loans, unpaid principal	17,608	15,781
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	3,186	618
Impaired loans with related allowance, unpaid principal	3,186	732
Impaired loans with related allowance, related allowance	709	3
Impaired loan with no related allowance, recorded investment	859	1,229
Impaired loan with no related allowance, unpaid principal	1,022	1,281
Construction
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	0	0
Impaired loans with related allowance, unpaid principal	0	0
Impaired loans with related allowance, related allowance	0	0
Impaired loan with no related allowance, recorded investment	1,220	1,221
Impaired loan with no related allowance, unpaid principal	1,264	1,262
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	405	145
Impaired loans with related allowance, unpaid principal	405	145
Impaired loans with related allowance, related allowance	136	7
Impaired loan with no related allowance, recorded investment	469	842
Impaired loan with no related allowance, unpaid principal	779	1,151
Residential real estate: | Residential line of credit
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	0	0
Impaired loans with related allowance, unpaid principal	0	0
Impaired loans with related allowance, related allowance	0	0
Impaired loan with no related allowance, recorded investment	605	245
Impaired loan with no related allowance, unpaid principal	613	249
Residential real estate: | Multi-family mortgage
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	0	0
Impaired loans with related allowance, unpaid principal	0	0
Impaired loans with related allowance, related allowance	0	0
Impaired loan with no related allowance, recorded investment	0	0
Impaired loan with no related allowance, unpaid principal	0	0
Commercial real estate: | Owner occupied
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	189	560
Impaired loans with related allowance, unpaid principal	218	641
Impaired loans with related allowance, related allowance	42	53
Impaired loan with no related allowance, recorded investment	1,865	2,048
Impaired loan with no related allowance, unpaid principal	2,619	2,780
Commercial real estate: | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	5,650	5,686
Impaired loans with related allowance, unpaid principal	5,650	5,686
Impaired loans with related allowance, related allowance	299	205
Impaired loan with no related allowance, recorded investment	1,049	1,049
Impaired loan with no related allowance, unpaid principal	1,781	1,781
Consumer and other
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, recorded investment	0	0
Impaired loans with related allowance, unpaid principal	0	0
Impaired loans with related allowance, related allowance	0	0
Impaired loan with no related allowance, recorded investment	71	73
Impaired loan with no related allowance, unpaid principal	$ 71	$ 73

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Loans and allowance for loan losses - Impaired Loans Recognized, Recorded Investment and Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	$ 8,220	$ 1,104
Impaired loan with no related allowance, average recorded investment	6,424	8,095
Total impaired loans, average recorded investment	14,644	9,199
Impaired loans with related allowance, interest income recognized (cash basis)	42	11
Impaired loan with no related allowance, interest income recognized (cash basis)	102	110
Total impaired loans, interest income recognized (cash basis)	144	121
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	1,902	53
Impaired loan with no related allowance, average recorded investment	1,044	1,430
Impaired loans with related allowance, interest income recognized (cash basis)	38	1
Impaired loan with no related allowance, interest income recognized (cash basis)	14	16
Construction
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	0	0
Impaired loan with no related allowance, average recorded investment	1,221	1,287
Impaired loans with related allowance, interest income recognized (cash basis)	0	0
Impaired loan with no related allowance, interest income recognized (cash basis)	48	30
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	275	193
Impaired loan with no related allowance, average recorded investment	656	1,185
Impaired loans with related allowance, interest income recognized (cash basis)	2	2
Impaired loan with no related allowance, interest income recognized (cash basis)	8	13
Residential real estate: | Residential line of credit
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	0	0
Impaired loan with no related allowance, average recorded investment	425	0
Impaired loans with related allowance, interest income recognized (cash basis)	0	0
Impaired loan with no related allowance, interest income recognized (cash basis)	2	0
Residential real estate: | Multi-family mortgage
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	0	0
Impaired loan with no related allowance, average recorded investment	0	971
Impaired loans with related allowance, interest income recognized (cash basis)	0	0
Impaired loan with no related allowance, interest income recognized (cash basis)	0	12
Commercial real estate: | Owner occupied
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	375	715
Impaired loan with no related allowance, average recorded investment	1,957	1,621
Impaired loans with related allowance, interest income recognized (cash basis)	2	6
Impaired loan with no related allowance, interest income recognized (cash basis)	28	32
Commercial real estate: | Non-owner occupied
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	5,668	143
Impaired loan with no related allowance, average recorded investment	1,049	1,574
Impaired loans with related allowance, interest income recognized (cash basis)	0	2
Impaired loan with no related allowance, interest income recognized (cash basis)	0	7
Consumer and other
Financing Receivable, Impaired [Line Items]
Impaired loans with related allowance, average recorded investment	0	0
Impaired loan with no related allowance, average recorded investment	72	27
Impaired loans with related allowance, interest income recognized (cash basis)	0	0
Impaired loan with no related allowance, interest income recognized (cash basis)	$ 2	$ 0

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Loans and allowance for loan losses - Financial Effect of TDRs (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of loans | loan	2	2
Pre-modification outstanding recorded investment	$ 3,188	$ 254
Post-modification outstanding recorded investment	3,188	254
Charge offs and specific reserves	$ 0	$ 0
Consumer and other
Financing Receivable, Modifications [Line Items]
Number of loans | loan		1
Pre-modification outstanding recorded investment		$ 5
Post-modification outstanding recorded investment		5
Charge offs and specific reserves		$ 0
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of loans | loan	2
Pre-modification outstanding recorded investment	$ 3,188
Post-modification outstanding recorded investment	3,188
Charge offs and specific reserves	$ 0
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Modifications [Line Items]
Number of loans | loan		1
Pre-modification outstanding recorded investment		$ 249
Post-modification outstanding recorded investment		249
Charge offs and specific reserves		$ 0

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Other real estate owned - Summary of Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Real Estate [Roll Forward]
Balance at beginning of period	$ 12,643	$ 16,442
Transfers from loans	1,106	630
Properties sold	(716)	(1,432)
Loss on sale of other real estate owned	(7)	(43)
Transferred to loans	(166)	(120)
Write-downs and partial liquidations	(32)	(143)
Balance at end of period	$ 12,828	$ 15,334

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Other real estate owned - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Real Estate Properties [Line Items]
Other real estate owned included excess land and facilities held for sale	$ 5,381	$ 5,381
Residential Real Estate Properties
Real Estate Properties [Line Items]
Foreclosed residential real estate properties	2,435	2,101
Total foreclosure proceedings in process	$ 164	$ 478

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Leases (Details)	3 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2019 lease_renew_option operating_lease
Lessee, Lease, Description [Line Items]
Lessee, number of operating leases, noncurrent | operating_lease		39
Lessee, operating lease, number of options to renew | lease_renew_option		1
Operating lease rent expense | $	$ 1,229
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract		1 year
Lessee, operating lease, renewal term		20 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract		37 years

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Leases - Operating Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease right-of-use assets	$ 32,694	$ 0
Lease liability	$ 35,093	$ 0
Weighted average remaining lease term (in years)	15 years 7 months 24 days
Weighted average discount rate	3.48%

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Leases - Lease Costs (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 1,112
Short-term lease cost	224
Variable lease cost	100
Total lease cost	$ 1,436

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Leases - Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Lease payments due on or before:
March 31, 2020	$ 4,670
March 31, 2021	4,604
March 31, 2022	4,308
March 31, 2023	3,332
March 31, 2024	3,176
Thereafter	27,065
Total undiscounted cash flows	47,155
Discount on cash flows	(12,062)
Lease liability	$ 35,093	$ 0

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Mortgage servicing rights - Schedule of Changes in Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Servicing Asset at Fair Value, Amount [Roll Forward]
Carrying value at beginning of period	$ 88,829	$ 76,107
Capitalization	8,720	13,510
Sales	(29,160)	0
Change in fair value:
Due to pay-offs/pay-downs	(1,795)	(3,060)
Due to change in valuation inputs or assumptions	(2,563)	6,603
Carrying value at period end	$ 64,031	$ 93,160

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Mortgage servicing rights - Schedule of Servicing Income and Expense Included in Mortgage Banking Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Servicing income:
Servicing income	$ 4,751	$ 4,793
Change in fair value of mortgage servicing rights	(4,358)	3,543
Change in fair value of derivative hedging instruments	2,477	(5,256)
Servicing income	2,870	3,080
Servicing expenses	1,744	1,795
Net servicing income	$ 1,126	$ 1,285

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Mortgage servicing rights - Schedule of Data and Key Economic Assumptions Related to Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Transfers and Servicing of Financial Assets [Abstract]
Unpaid principal balance	$ 5,221,109	$ 6,755,114
Weighted-average prepayment speed (CPR)	9.83%	8.58%
Estimated impact on fair value of a 10% increase	$ (2,493)	$ (2,072)
Estimated impact on fair value of a 20% increase	$ (4,813)	$ (4,006)
Discount rate	8.99%	10.45%
Estimated impact on fair value of a 100 bp increase	$ (2,701)	$ (2,505)
Estimated impact on fair value of a 200 bp increase	$ (5,181)	$ (4,807)
Weighted-average coupon interest rate	4.42%	4.21%
Weighted-average servicing fee (basis points)	0.29%	0.30%
Weighted-average remaining maturity (in months)	319 months	325 months

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Mortgage servicing rights - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Transfers and Servicing of Financial Assets [Abstract]
Sales	$ (29,160)	$ 0
Mortgage loans serviced	2,034,374
Mortgage loans serviced related to bulk sale of mortgage servicing rights	2,015,273
Mortgage escrow deposit	$ 70,121		$ 53,468

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Income taxes - Schedule of Allocation of Federal and State Income Taxes between Current and Deferred Portions (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Current	$ 10,194	$ 0
Deferred	(4,219)	5,482
Total	$ 5,975	$ 5,482

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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	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Federal taxes calculated at statutory rate	$ 5,368	$ 5,300
Federal taxes calculated at statutory rate, percent	21.00%	21.00%
Increase (decrease) resulting from:
State taxes, net of federal benefit	$ 1,138	$ 1,143
Benefit of equity based compensation	(392)	(736)
Municipal interest income, net of interest disallowance	(216)	(201)
Bank owned life insurance	(12)	(12)
Other	89	(12)
Total	$ 5,975	$ 5,482
Effective Income Tax Rate Reconciliation, Percent [Abstract]
State taxes, net of federal benefit, percent	4.50%	4.50%
Benefit of equity based compensation, percent	(1.50%)	(3.00%)
Municipal interest income, net of interest disallowance, percent	(0.80%)	(0.80%)
Bank owned life insurance, percent	(0.00%)	(0.00%)
Other, percent	0.20%	0.00%
Income tax expense, as reported	23.40%	21.70%

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Income taxes - Schedule of Net Deferred Tax liability (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Allowance for loan losses	$ 7,768	$ 7,539
Operating lease liability	9,079	0
Amortization of core deposit intangible	1,060	1,012
Deferred compensation	3,802	5,878
Unrealized loss on available-for-sale debt securities	558	3,299
Other	2,012	1,998
Subtotal	24,279	19,726
Deferred tax liabilities:
FHLB stock dividends	(550)	(550)
Operating lease - right of use asset	(8,826)	0
Depreciation	(4,777)	(4,812)
Cash flow hedges	(586)	(736)
Mortgage servicing rights	(16,684)	(23,146)
Other	(7,904)	(7,145)
Subtotal	(39,327)	(36,389)
Net deferred tax liability	$ (15,048)	$ (16,663)

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Commitments and contingencies - Summary of Financial Instruments with Off-Balance Sheet Credit Risk (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Balance at end of period	$ 1,130,234	$ 1,051,414
Commitments to extend credit, excluding interest rate lock commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Balance at end of period	1,111,472	1,032,390
Letters of credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Balance at end of period	$ 18,762	$ 19,024

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Commitments and contingencies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Total principal amount of loans repurchased or indemnified	$ 1,393	$ 1,119

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Commitments and contingencies - Summary of Allowance for Loan Repurchases or Indemnifications (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Balance at beginning of period	$ 3,273	$ 3,386
Provision for loan repurchases or indemnifications	59	186
Recoveries on previous losses	0	(58)
Balance at end of period	$ 3,332	$ 3,514

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Derivatives - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Jul. 31, 2017 USD ($) derivative	Mar. 31, 2018 USD ($)	Mar. 31, 2019 USD ($) derivative	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Derivative [Line Items]
Notional Amount	$ 100,000
Stockholders' equity		$ 611,075	$ 694,577	$ 671,857	$ 596,729
Cash collateral pledged on derivatives			$ 20,380	13,904
Subordinated Debentures
Derivative [Line Items]
Number of derivative instruments | derivative			2
Long-term debt			$ 30,930
Interest rate swaps
Derivative [Line Items]
Number of derivative instruments | derivative	3
Interest rate swaps | Designated as hedging:
Derivative [Line Items]
Notional Amount			30,000	30,000
Interest rate swaps | Subordinated Debentures
Derivative [Line Items]
Notional Amount			30,000
Fair value of interest rate swap			274	721
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
Gain on canceled derivatives		$ 1,564
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Derivative [Line Items]
Stockholders' equity			$ 1,342	$ 1,436

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Derivatives - Schedule of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Jul. 31, 2017
Derivatives, Fair Value [Line Items]
Notional Amount			$ 100,000
Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	$ 1,624,857	$ 1,258,047
Asset	18,728	13,595
Liability	12,400	11,637
Interest rate contracts | Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	346,545	295,333
Asset	9,073	6,679
Liability	9,073	6,679
Forward commitments | Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	599,205	474,208
Asset	0	0
Liability	3,327	4,958
Interest rate-lock commitments | Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	492,507	318,706
Asset	8,121	6,241
Liability	0	0
Futures contracts | Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	178,000	166,000
Asset	1,456	649
Liability	0	0
Option contracts | Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	8,600	3,800
Asset	78	26
Liability	0	0
Interest rate swaps | Designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	30,000	30,000
Asset	274	721
Liability	$ 0	$ 0

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Derivatives - Schedule of Gains (Losses) Included in the Consolidated Statements of Income Related to Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivatives, Fair Value [Line Items]
Reclassification adjustment for gain on hedging activities, tax	$ 33	$ 1
Amount of (loss) gain recognized in other comprehensive income, net of tax	(331)	1,271
Not designated as hedging: | Mortgage Banking Income
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(640)	6,325
Designated as hedging:
Derivatives, Fair Value [Line Items]
Total cash flow hedge gain (loss) and derivative excluded component increase (decrease)	149	(32)
Designated as hedging: | Interest Expense on Borrowings
Derivatives, Fair Value [Line Items]
Amount of gain (loss) reclassified from other comprehensive income and recognized in interest expense on borrowings	94	(3)
Gain (loss) included in interest expense on borrowings	55	(29)
Interest rate-lock commitments | Not designated as hedging: | Mortgage Banking Income
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	1,880	3,411
Forward commitments | Not designated as hedging: | Mortgage Banking Income
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(4,404)	5,318
Futures contracts | Not designated as hedging: | Mortgage Banking Income
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	1,871	(2,447)
Option contracts | Not designated as hedging: | Mortgage Banking Income
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	$ 13	$ 43

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Fair value of financial instruments - Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financial assets:
Interest receivable	$ 16,611	$ 14,503
Level 1
Financial assets:
Cash and cash equivalents	195,414	125,356
Investment securities	0	0
Loans, net	0	0
Loans held for sale	0	0
Interest receivable	0	0
Mortgage servicing rights	0	0
Derivatives	0	0
Financial liabilities:
Deposits, Without stated maturities	3,159,931	3,051,972
Deposits, With stated maturities	0	0
Securities sold under agreement to repurchase and federal funds sold	36,695	15,081
Federal Home Loan Bank advances	0	0
Subordinated debt	0	0
Interest Payable	294	530
Derivatives	0	0
Level 2
Financial assets:
Cash and cash equivalents	0	0
Investment securities	670,835	658,805
Loans, net	0	0
Loans held for sale	248,054	278,815
Interest receivable	3,114	2,848
Mortgage servicing rights	0	0
Derivatives	19,002	14,316
Financial liabilities:
Deposits, Without stated maturities	0	0
Deposits, With stated maturities	1,147,498	1,122,076
Securities sold under agreement to repurchase and federal funds sold	0	0
Federal Home Loan Bank advances	161,654	181,864
Subordinated debt	30,000	30,000
Interest Payable	6,818	4,485
Derivatives	12,400	11,637
Level 3
Financial assets:
Cash and cash equivalents	0	0
Investment securities	0	0
Loans, net	3,746,515	3,630,500
Loans held for sale	0	0
Interest receivable	13,497	11,655
Mortgage servicing rights	64,031	88,829
Derivatives	0	0
Financial liabilities:
Deposits, Without stated maturities	0	0
Deposits, With stated maturities	0	0
Securities sold under agreement to repurchase and federal funds sold	0	0
Federal Home Loan Bank advances	0	0
Subordinated debt	0	0
Interest Payable	0	0
Derivatives	0	0
Carrying amount
Financial assets:
Cash and cash equivalents	195,414	125,356
Investment securities	670,835	658,805
Loans, net	3,756,977	3,638,579
Loans held for sale	248,054	278,815
Interest receivable	16,611	14,503
Mortgage servicing rights	64,031	88,829
Derivatives	19,002	14,316
Financial liabilities:
Deposits, Without stated maturities	3,159,931	3,051,972
Deposits, With stated maturities	1,143,260	1,119,745
Securities sold under agreement to repurchase and federal funds sold	36,695	15,081
Federal Home Loan Bank advances	161,553	181,765
Subordinated debt	30,930	30,930
Interest Payable	7,112	5,015
Derivatives	12,400	11,637
Fair Value
Financial assets:
Cash and cash equivalents	195,414	125,356
Investment securities	670,835	658,805
Loans, net	3,746,515	3,630,500
Loans held for sale	248,054	278,815
Interest receivable	16,611	14,503
Mortgage servicing rights	64,031	88,829
Derivatives	19,002	14,316
Financial liabilities:
Deposits, Without stated maturities	3,159,931	3,051,972
Deposits, With stated maturities	1,147,498	1,122,076
Securities sold under agreement to repurchase and federal funds sold	36,695	15,081
Federal Home Loan Bank advances	161,654	181,864
Subordinated debt	30,000	30,000
Interest Payable	7,112	5,015
Derivatives	$ 12,400	$ 11,637

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Fair value of financial instruments - Balances and Levels of Assets Measured at Fair Value on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financial assets:
Available-for-sale debt securities, at fair value	$ 667,654	$ 655,698
Equity securities, at fair value	3,181	3,107
Impaired loans	15,568	13,716
Municipals, tax exempt
Financial assets:
Available-for-sale debt securities, at fair value	147,640	138,887
Treasury securities
Financial assets:
Available-for-sale debt securities, at fair value	7,305	7,242
Quoted prices in active markets for identical assets (liabilities) (level 1)
Financial assets:
Investment securities	0	0
Loans held for sale	0	0
Mortgage servicing rights	0	0
Derivatives	0	0
Financial liabilities:
Derivatives	0	0
Significant other observable inputs (level 2)
Financial assets:
Investment securities	670,835	658,805
Loans held for sale	248,054	278,815
Mortgage servicing rights	0	0
Derivatives	19,002	14,316
Financial liabilities:
Derivatives	12,400	11,637
Significant unobservable inputs (level 3)
Financial assets:
Investment securities	0	0
Loans held for sale	0	0
Mortgage servicing rights	64,031	88,829
Derivatives	0	0
Financial liabilities:
Derivatives	0	0
Fair Value, Measurements, Recurring
Financial assets:
Equity securities, at fair value	3,181	3,107
Investment securities	670,835	658,805
Loans held for sale	248,054	278,815
Mortgage servicing rights	64,031	88,829
Derivatives	19,002	14,316
Financial liabilities:
Derivatives	12,400	11,637
Fair Value, Measurements, Recurring | U.S. government agency securities
Financial assets:
Available-for-sale debt securities, at fair value	993	989
Fair Value, Measurements, Recurring | Mortgage-backed securities
Financial assets:
Available-for-sale debt securities, at fair value	511,716	508,580
Fair Value, Measurements, Recurring | Municipals, tax exempt
Financial assets:
Available-for-sale debt securities, at fair value	147,640	138,887
Fair Value, Measurements, Recurring | Treasury securities
Financial assets:
Available-for-sale debt securities, at fair value	7,305	7,242
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (liabilities) (level 1)
Financial assets:
Equity securities, at fair value	0	0
Investment securities	0	0
Loans held for sale	0	0
Mortgage servicing rights	0	0
Derivatives	0	0
Financial liabilities:
Derivatives	0	0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | U.S. government agency securities
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Mortgage-backed securities
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Municipals, tax exempt
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Treasury securities
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Significant other observable inputs (level 2)
Financial assets:
Equity securities, at fair value	3,181	3,107
Investment securities	670,835	658,805
Loans held for sale	248,054	278,815
Mortgage servicing rights	0	0
Derivatives	19,002	14,316
Financial liabilities:
Derivatives	12,400	11,637
Fair Value, Measurements, Recurring | Significant other observable inputs (level 2) | U.S. government agency securities
Financial assets:
Available-for-sale debt securities, at fair value	993	989
Fair Value, Measurements, Recurring | Significant other observable inputs (level 2) | Mortgage-backed securities
Financial assets:
Available-for-sale debt securities, at fair value	511,716	508,580
Fair Value, Measurements, Recurring | Significant other observable inputs (level 2) | Municipals, tax exempt
Financial assets:
Available-for-sale debt securities, at fair value	147,640	138,887
Fair Value, Measurements, Recurring | Significant other observable inputs (level 2) | Treasury securities
Financial assets:
Available-for-sale debt securities, at fair value	7,305	7,242
Fair Value, Measurements, Recurring | Significant unobservable inputs (level 3)
Financial assets:
Equity securities, at fair value	0	0
Investment securities	0	0
Loans held for sale	0	0
Mortgage servicing rights	64,031	88,829
Derivatives	0	0
Financial liabilities:
Derivatives	0	0
Fair Value, Measurements, Recurring | Significant unobservable inputs (level 3) | U.S. government agency securities
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Significant unobservable inputs (level 3) | Mortgage-backed securities
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Significant unobservable inputs (level 3) | Municipals, tax exempt
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Recurring | Significant unobservable inputs (level 3) | Treasury securities
Financial assets:
Available-for-sale debt securities, at fair value	0	0
Fair Value, Measurements, Nonrecurring
Financial assets:
Other real estate owned	1,147	2,266
Impaired loans	3,724	8,718
Fair Value, Measurements, Nonrecurring | Commercial and industrial
Financial assets:
Impaired loans	3,186	732
Fair Value, Measurements, Nonrecurring | Consumer and other
Financial assets:
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Construction Loans | Commercial and industrial
Financial assets:
Impaired loans	6	832
Fair Value, Measurements, Nonrecurring | 1-to-4 family mortgage | Residential real estate:
Financial assets:
Impaired loans	260	146
Fair Value, Measurements, Nonrecurring | Owner occupied | Commercial real estate:
Financial assets:
Impaired loans	272	87
Fair Value, Measurements, Nonrecurring | Non-owner occupied | Commercial real estate:
Financial assets:
Impaired loans	0	6,921
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1)
Financial assets:
Other real estate owned	0	0
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Commercial and industrial
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Consumer and other
Financial assets:
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Construction Loans | Commercial and industrial
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | 1-to-4 family mortgage | Residential real estate:
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Owner occupied | Commercial real estate:
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Quoted prices in active markets for identical assets (liabilities) (level 1) | Non-owner occupied | Commercial real estate:
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2)
Financial assets:
Other real estate owned	0	0
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2) | Commercial and industrial
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2) | Consumer and other
Financial assets:
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2) | Construction Loans | Commercial and industrial
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2) | 1-to-4 family mortgage | Residential real estate:
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2) | Owner occupied | Commercial real estate:
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant other observable inputs (level 2) | Non-owner occupied | Commercial real estate:
Financial assets:
Impaired loans	0	0
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3)
Financial assets:
Other real estate owned	1,147	2,266
Impaired loans	3,724	8,718
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Commercial and industrial
Financial assets:
Impaired loans	3,186	732
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Consumer and other
Financial assets:
Impaired loans	0
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Construction Loans | Commercial and industrial
Financial assets:
Impaired loans	6	832
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | 1-to-4 family mortgage | Residential real estate:
Financial assets:
Impaired loans	260	146
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Owner occupied | Commercial real estate:
Financial assets:
Impaired loans	272	87
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Non-owner occupied | Commercial real estate:
Financial assets:
Impaired loans	$ 0	$ 6,921

XML

Fair value of financial instruments - Reconciliation for Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs or Level 3 Inputs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 0	$ 3,604
Reclassification of equity securities without a readily determinable fair value to other assets	0	(3,604)
Balance at end of period	$ 0	$ 0

XML

Fair value of financial instruments - Information about Significant Unobservable Inputs (Level 3) Used in Valuation of Assets Measured at Fair Value on Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	$ 15,568	$ 13,716
Fair Value, Measurements, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	3,724	8,718
Other real estate owned	1,147	2,266
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	3,724	8,718
Other real estate owned	$ 1,147	$ 2,266
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, measurement input	0.00%	0.00%
Other real estate owned, measurement input	0.00	0.00
Fair Value, Measurements, Nonrecurring | Significant unobservable inputs (level 3) | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, measurement input	30.00%	30.00%
Other real estate owned, measurement input	0.15	0.15

XML

Fair value of financial instruments - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Mortgage Loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Net (losses) gains from fair value changes of mortgage loans	$ (1,207)	$ 2,121
GNMA
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Delinquent GNMA loans that had been previously sold	$ 76,857		$ 67,362

XML

Fair value of financial instruments - Schedule of Differences between Fair Value and Principal Balance for Loans Held for Sale Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale measured at fair value	$ 247,858	$ 278,418
Past due loans of 90 days or more	0	0
Nonaccrual loans	196	397
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	238,554	267,907
Past due loans of 90 days or more	0	0
Nonaccrual loans	196	397
Difference
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale measured at fair value	9,304	10,511
Past due loans of 90 days or more	0	0
Nonaccrual loans	$ 0	$ 0

XML

Segment reporting - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) segment	Mar. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Other noninterest expense	$ 33,013	$ 30,313
Interest income	60,448	50,693
Mortgage Segment
Segment Reporting Information [Line Items]
Other noninterest expense	1,054	0
Interest paid	$ 2,558	$ 4,508
Mortgage Segment | Prime Interest Rate
Segment Reporting Information [Line Items]
Warehouse line of credit interest rate	5.50%	4.75%
Banking Segment
Segment Reporting Information [Line Items]
Other noninterest expense	$ 31,959	$ 30,313
Interest income	$ 2,558	$ 4,508

XML

Segment reporting - Schedule of Segment Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net interest income	$ 53,016	$ 48,429
Provision for loan losses	1,391	317
Mortgage banking income	22,902	28,184
Change in fair value of mortgage servicing rights	(1,881)	(1,713)
Other noninterest income	8,018	6,804
Depreciation and amortization	1,172	1,106
Amortization of intangibles	729	853
Other noninterest mortgage banking expense	20,187	23,879
Other noninterest expense	33,013	30,313
Income before income taxes	25,563	25,236
Income tax expense	5,975	5,482
Net income	19,588	19,754
Total assets	5,335,156	4,725,416	$ 5,136,764
Goodwill	137,190	137,190	$ 137,190
Merger costs	621	1,193
Banking Segment
Segment Reporting Information [Line Items]
Net interest income	52,993	48,771
Provision for loan losses	1,391	317
Mortgage banking income	4,386	6,108
Change in fair value of mortgage servicing rights	0	0
Other noninterest income	8,018	6,804
Depreciation and amortization	1,042	978
Amortization of intangibles	729	853
Other noninterest mortgage banking expense	2,831	5,097
Other noninterest expense	31,959	30,313
Income before income taxes	27,445	24,125
Total assets	4,987,744	4,220,543
Goodwill	137,090	137,090
Mortgage Segment
Segment Reporting Information [Line Items]
Net interest income	23	(342)
Provision for loan losses	0	0
Mortgage banking income	18,516	22,076
Change in fair value of mortgage servicing rights	(1,881)	(1,713)
Other noninterest income	0	0
Depreciation and amortization	130	128
Amortization of intangibles	0	0
Other noninterest mortgage banking expense	17,356	18,782
Other noninterest expense	1,054	0
Income before income taxes	(1,882)	1,111
Total assets	347,412	504,873
Goodwill	$ 100	$ 100

XML

Minimum capital requirements - Additional Information (Details)	Mar. 31, 2019	Dec. 31, 2018
Banking and Thrift [Abstract]
Capital conservative buffer percentage	2.50%	1.88%

XML

Minimum capital requirements - Schedule of Actual and Required Capital Amounts and Ratios (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
FB Financial Corporation
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to risk-weighted assets), Actual Amount	$ 610,686	$ 582,945
Total Capital (to risk-weighted assets), Actual Ratio	13.40%	13.00%
Total Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 364,589	$ 358,735
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	$ 478,523	$ 442,814
Total Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	10.50%	9.90%
Tier 1 Capital (to risk-weighted assets), Actual Amount	$ 580,872	$ 554,013
Tier 1 Capital (to risk-weighted assets), Actual Ratio	12.70%	12.40%
Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 274,428	$ 268,071
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	$ 388,773	$ 351,843
Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	8.50%	7.90%
Tier 1 Capital (to average assets), Actual Amount	$ 580,872	$ 554,013
Tier 1 Capital (to average assets), Actual Ratio	11.50%	11.40%
Tier 1 Capital (to average assets), For capital adequacy purposes, Amount	$ 202,042	$ 194,391
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	$ 550,872	$ 524,013
Common Equity Tier 1 Capital (to risk-weighted assets), Actual Ratio	12.00%	11.70%
Common Equity Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 206,577	$ 201,543
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	$ 321,342	$ 285,520
Common Equity Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	7.00%	6.40%
FirstBank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to risk-weighted assets), Actual Amount	$ 591,594	$ 561,327
Total Capital (to risk-weighted assets), Actual Ratio	13.00%	12.50%
Total Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 364,058	$ 359,249
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	$ 477,826	$ 443,448
Total Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	10.50%	9.90%
Total Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Amount	$ 455,072	$ 449,062
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	$ 561,780	$ 532,395
Tier 1 Capital (to risk-weighted assets), Actual Ratio	12.30%	11.90%
Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 274,039	$ 268,434
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	$ 388,222	$ 352,320
Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	8.50%	7.90%
Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions Amount	$ 365,385	$ 357,913
Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions Ratio	8.00%	8.00%
Tier 1 Capital (to average assets), Actual Amount	$ 561,780	$ 532,395
Tier 1 Capital (to average assets), Actual Ratio	11.10%	10.90%
Tier 1 Capital (to average assets), For capital adequacy purposes, Amount	$ 202,443	$ 195,374
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	$ 253,054	$ 244,218
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	$ 561,780	$ 532,395
Common Equity Tier 1 Capital (to risk-weighted assets), Actual Ratio	12.30%	11.90%
Common Equity Tier 1 Capital (to risk-weighted assets), For capital adequacy purposes, Amount	$ 205,529	$ 201,326
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	$ 319,712	$ 285,212
Common Equity Tier 1 Capital (to risk-weighted assets), Minimum Capital adequacy with capital buffer, Ratio	7.00%	6.40%
Common Equity Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Amount	$ 296,876	$ 290,804
Common Equity Tier 1 Capital (to risk-weighted assets), To be well capitalized under prompt corrective action provisions, Ratio	6.50%	6.50%

XML

Stock-Based Compensation - Summary of Vested and Unvested Restricted Stock Units Outstanding (Details) - Restricted Stock Units (RSUs) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Restricted Stock Units Outstanding, Balance, beginning of period (in shares)	1,140,215,000	1,214,325,000
Restricted Stock Units Outstanding, Grants (in shares)	142,008,000	105,429,000
Restricted Stock Units Outstanding, Released and distributed (vested) (in shares)	(181,958,000)	(170,160,000)
Restricted Stock Units Outstanding, Forfeited/expired (in shares)	(4,343,000)	(5,556,000)
Restricted Stock Units Outstanding, Balance, end of period (in shares)	1,095,922,000	1,144,038,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Grant Date Fair Value, Balance, beginning of period (USD per share)	$ 21.96	$ 19.97
Weighted Average Grant Date Fair Value, Grants (USD per share)	34.01	39.90
Weighted Average Grant Date Fair Value, Released and distributed (vested) (USD per share)	24.91	21.24
Weighted Average Grant Date Fair Value, Forfeited/expired (USD per share)	27.67	19.00
Weighted Average Grant Date Fair Value, Balance, end of period (USD per share)	$ 23.30	$ 21.11

XML

Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	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	$ 1,638	$ 1,958
Dividends declared not paid on restricted stock units	84	0
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of restricted stock units vested and released	4,533	3,614
Compensation cost related to stock grants and vesting of restricted stock units	1,638	1,958
One-time expense for modification of vesting terms	249
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	172	177
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	$ 12,004	$ 15,696
Expected weighted-average period to be recognized	2 years 4 months 2 days	2 years 9 months 11 days
Dividends declared not paid on restricted stock units	$ 293
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price percentage of subsequent offering periods			95.00%
Maximum number of shares issuable (in shares)			200,000
Maximum number of shares per participant (in shares)			725
Maximum worth of award per participant			$ 25,000
Shares issued under plan (in shares)	10,613	16,537
Number of shares reserved for issuance (in shares)	2,421,743	2,444,428

XML

Related party transactions - Schedule of Loans Analysis to Executive Officers, Certain Management, Bank Directors and Their Affiliates (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Loans and Leases Receivable, Related Parties [Roll Forward]
Loans outstanding, Beginning balance	$ 32,264
New loans and advances	1,225
Change in related party status	(9,614)
Repayments	(219)
Loans outstanding, Ending balance	$ 23,656

XML

Related party transactions - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Related Party Transaction [Line Items]
Deposits from related parties	$ 281,119		$ 287,156
Aviation Time Sharing Agreement
Related Party Transaction [Line Items]
Payments to related party	27	$ 72
Certain Executive Officers, Certain Management and Directors and Their Associates
Related Party Transaction [Line Items]
Unfunded commitments	18,382		15,000
Director
Related Party Transaction [Line Items]
Unamortized leasehold improvements	111		116
Lease expense	129	$ 148
Amount of investment held by the company	$ 29		$ 29

XML

Label	Element	Value
AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 109,000
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 0