10-Q

	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549
	FORM 10-Q
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
	For the Transition Period from ___________ to ___________
	Commission file number 001-35095
UNITED COMMUNITY BANKS, INC.
	(Exact name of registrant as specified in its charter)

Georgia	58-1807304
(State of Incorporation)	(I.R.S. Employer Identification No.)

125 Highway 515 East
Blairsville, Georgia	30512
Address of Principal Executive Offices	(Zip Code)

(706) 781-2265

(Telephone Number)

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 Date 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, a smaller reporting company or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer ý	Accelerated filer ¨
Non-accelerated filer ¨	Smaller reporting company ¨
Emerging growth company ¨

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). 

YES ¨ NO ý

Common stock, par value $1 per share 79,039,390 shares outstanding as of April 30, 2019.

Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common stock, par value $1 per share	UCBI	Nasdaq Global Select Market

INDEX

PART I - Financial Information
	Item 1.	Financial Statements.
		Consolidated Statements of Income (unaudited) for the Three Months Ended March 31, 2019 and 2018	3
		Consolidated Statements of Comprehensive Income (unaudited) for the Three Months Ended March 31, 2019 and 2018	4
		Consolidated Balance Sheets (unaudited) at March 31, 2019 and December 31, 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	8
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations.	38
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk.	59
	Item 4.	Controls and Procedures.	59
PART II - Other Information
	Item 1.	Legal Proceedings.	60
	Item 1A.	Risk Factors.	60
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds.	60
	Item 3.	Defaults Upon Senior Securities.	60
	Item 4.	Mine Safety Disclosures.	60
	Item 5.	Other Information.	60
	Item 6.	Exhibits.	61

2

Part I – Financial Information

UNITED COMMUNITY BANKS, INC. Consolidated Statements of Income(Unaudited)
	Three Months Ended March 31,
(in thousands, except per share data)	2019			2018
Interest revenue:
Loans, including fees	$	115,259		$	96,469
Investment securities, including tax exempt of $1,169 and $972	20,818			18,295
Deposits in banks and short-term investments	439			526
Total interest revenue	136,516			115,290
Interest expense:
Deposits:
NOW and interest-bearing demand	3,536			1,113
Money market	4,205			2,175
Savings	32			49
Time	8,184			2,956
Total deposit interest expense	15,957			6,293
Short-term borrowings	161			300
Federal Home Loan Bank advances	1,422			2,124
Long-term debt	3,342			3,288
Total interest expense	20,882			12,005
Net interest revenue	115,634			103,285
Provision for credit losses	3,300			3,800
Net interest revenue after provision for credit losses	112,334			99,485
Noninterest income:
Service charges and fees	8,453			8,925
Mortgage loan and other related fees	3,748			5,359
Brokerage fees	1,337			872
Gains from sales of SBA/USDA loans	1,303			1,778
Securities losses, net	(267		)	(940		)
Other	6,394			6,402
Total noninterest income	20,968			22,396
Total revenue	133,302			121,881
Noninterest expenses:
Salaries and employee benefits	47,503			42,875
Communications and equipment	5,788			4,632
Occupancy	5,584			5,613
Advertising and public relations	1,286			1,515
Postage, printing and supplies	1,586			1,637
Professional fees	3,161			4,044
FDIC assessments and other regulatory charges	1,710			2,476
Amortization of intangibles	1,293			1,898
Merger-related and other charges	546			2,054
Other	7,627			6,731
Total noninterest expenses	76,084			73,475
Net income before income taxes	57,218			48,406
Income tax expense	12,956			10,748
Net income	$	44,262		$	37,658
Net income available to common shareholders	$	43,947		$	37,381
Earnings per common share:
Basic	$	0.55		$	0.47
Diluted	0.55			0.47
Weighted average common shares outstanding:
Basic	79,807			79,205
Diluted	79,813			79,215

See accompanying notes to consolidated financial statements. 

3

UNITED COMMUNITY BANKS, INC. Consolidated Statements of Comprehensive Income(Unaudited)
(in thousands)	Three Months Ended March 31,
	Before-tax Amount			Tax (Expense) Benefit			Net of Tax Amount
2019
Net income	$	57,218		$	(12,956	)	$	44,262
Other comprehensive income:
Unrealized gains on available-for-sale securities:
Unrealized holding gains arising during period	33,174			(8,049		)	25,125
Reclassification adjustment for losses included in net income	267			(68		)	199
Net unrealized gains	33,441			(8,117		)	25,324
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity	84			(20		)	64
Amortization of losses included in net income on terminated derivative financial instruments that were previously accounted for as cash flow hedges	102			(26		)	76
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan	174			(44		)	130
Total other comprehensive income	33,801			(8,207		)	25,594
Comprehensive income	$	91,019		$	(21,163	)	$	69,856
2018
Net income	$	48,406		$	(10,748	)	$	37,658
Other comprehensive loss:
Unrealized losses on available-for-sale securities:
Unrealized holding losses arising during period	(29,265		)	7,155			(22,110		)
Reclassification adjustment for losses included in net income	940			(221		)	719
Net unrealized losses	(28,325		)	6,934			(21,391		)
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity	222			(54		)	168
Amortization of losses included in net income on terminated derivative financial instruments that were previously accounted for as cash flow hedges	147			(38		)	109
Defined benefit pension plan activity:
Net actuarial loss on defined benefit pension plan	(5		)	1			(4		)
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan	227			(58		)	169
Net defined benefit pension plan activity	222			(57		)	165
Total other comprehensive loss	(27,734		)	6,785			(20,949		)
Comprehensive income	$	20,672		$	(3,963	)	$	16,709

See accompanying notes to consolidated financial statements.

4

UNITED COMMUNITY BANKS, INC. Consolidated Balance Sheets(Unaudited)
	March 31, 2019			December 31, 2018
(in thousands, except share data)
ASSETS
Cash and due from banks	$	118,659		$	126,083
Interest-bearing deposits in banks (includes restricted cash of $6.43 million and $6.70 million)	206,836			201,182
Cash and cash equivalents	325,495			327,265
Debt securities available for sale	2,454,625			2,628,467
Debt securities held to maturity (fair value $265,117 and $268,803)	265,329			274,407
Loans held for sale at fair value	26,341			18,935
Loans and leases, net of unearned income	8,493,254			8,383,401
Less allowance for loan and lease losses	(61,642		)	(61,203		)
Loans and leases, net	8,431,612			8,322,198
Premises and equipment, net	214,022			206,140
Bank owned life insurance	193,489			192,616
Accrued interest receivable	35,126			35,413
Net deferred tax asset	51,055			64,224
Derivative financial instruments	25,924			24,705
Goodwill and other intangible assets	322,779			324,072
Other assets	160,030			154,750
Total assets	$	12,505,827		$	12,573,192
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities:
Deposits:
Noninterest-bearing demand	$	3,313,861		$	3,210,220
NOW and interest-bearing demand	2,205,117			2,274,775
Money market	2,106,045			2,097,526
Savings	681,739			669,886
Time	1,668,563			1,598,391
Brokered	558,981			683,715
Total deposits	10,534,306			10,534,513
Federal Home Loan Bank advances	40,000			160,000
Long-term debt	257,259			267,189
Derivative financial instruments	18,789			26,433
Accrued expenses and other liabilities	147,315			127,503
Total liabilities	10,997,669			11,115,638
Shareholders' equity:
Common stock, $1 par value; 150,000,000 shares authorized;     79,035,459 and 79,234,077 shares issued and outstanding	79,035			79,234
Common stock issuable; 621,491 and 674,499 shares	10,291			10,744
Capital surplus	1,494,400			1,499,584
Accumulated deficit	(59,573		)	(90,419		)
Accumulated other comprehensive loss	(15,995		)	(41,589		)
Total shareholders' equity	1,508,158			1,457,554
Total liabilities and shareholders' equity	$	12,505,827		$	12,573,192

See accompanying notes to consolidated financial statements.

5

UNITED COMMUNITY BANKS, INC. Consolidated Statement of Changes in Shareholders’ Equity(Unaudited) For the Three Months EndedMarch 31,
(in thousands, except share and per share data)	Common Stock			Common Stock Issuable			Capital Surplus			Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)			Total
Balance, December 31, 2017	$	77,580		$	9,083		$	1,451,814		$	(209,902	)	$	(25,241	)	$	1,303,334
Net income										37,658						37,658
Other comprehensive loss													(20,949		)	(20,949		)
Common stock issued to dividend    reinvestment plan and employee benefit    plans (5,204 shares)	5						139									144
Common stock issued for acquisition    (1,443,987 shares)	1,444						44,302									45,746
Amortization of stock option and restricted    stock awards							1,148									1,148
Vesting of restricted stock and exercise    of stock options, net of shares surrendered to    cover payroll taxes (48,310 shares issued,    46,074 shares deferred)	48			850			(1,725		)							(827		)
Deferred compensation plan, net, including   dividend equivalents				143												143
Shares issued from deferred compensation    plan, net of shares surrendered to cover    payroll taxes (45,558 shares)	46			(684		)	629									(9		)
Common stock dividends ($0.12 per share)										(9,633		)				(9,633		)
Balance, March 31, 2018	$	79,123		$	9,392		$	1,496,307		$	(181,877	)	$	(46,190	)	$	1,356,755
Balance, December 31, 2018	$	79,234		$	10,744		$	1,499,584		$	(90,419	)	$	(41,589	)	$	1,457,554
Net income										44,262						44,262
Other comprehensive income													25,594			25,594
Exercise of stock options (12,000 shares)	12						185									197
Common stock issued to dividend    reinvestment plan and employee benefit    plans (8,445 shares)	8						178									186
Amortization of restricted stock awards							1,985									1,985
Vesting of restricted stock, net of shares    surrendered to cover payroll taxes (15,945    shares issued, 19,450 shares deferred)	16			532			(865		)							(317		)
Purchases of common stock (305,052 shares)	(305		)				(7,535		)							(7,840		)
Deferred compensation plan, net, including    dividend equivalents				185												185
Shares issued from deferred compensation    plan, net of shares surrendered to cover    payroll taxes (70,044 shares)	70			(1,170		)	868									(232		)
Common stock dividends ($0.16 per share)										(12,867		)				(12,867		)
Adoption of new accounting standard										(549		)				(549		)
Balance, March 31, 2019	$	79,035		$	10,291		$	1,494,400		$	(59,573	)	$	(15,995	)	$	1,508,158

See accompanying notes to consolidated financial statements.

6

UNITED COMMUNITY BANKS, INC. Consolidated Statements of Cash Flows(Unaudited)
	Three Months Ended March 31,
(in thousands)	2019			2018
Operating activities:
Net income	$	44,262		$	37,658
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	6,373			10,487
Provision for credit losses	3,300			3,800
Stock based compensation	1,985			1,148
Deferred income tax expense	658			10,225
Securities losses, net	267			940
Gains from sales of SBA/USDA loans	(1,303		)	(1,778		)
Net (gains) losses and write downs on sales of other real estate owned	(45		)	188
Changes in assets and liabilities:
Other assets and accrued interest receivable	(6,206		)	(385		)
Accrued expenses and other liabilities	(5,994		)	1,371
Loans held for sale	(7,406		)	8,833
Net cash provided by operating activities	35,891			72,487
Investing activities:
Debt securities held to maturity:
Proceeds from maturities and calls of securities held to maturity	9,049			13,832
Purchases of securities held to maturity	—			(4,781		)
Debt securities available for sale and equity securities:
Proceeds from sales of securities available for sale	178,604			113,961
Proceeds from maturities and calls of securities available for sale	60,779			85,331
Purchases of securities available for sale	(34,729		)	(30,161		)
Net increase in loans	(90,380		)	(79,404		)
Proceeds from sales of premises and equipment	105			195
Purchases of premises and equipment	(11,686		)	(6,107		)
Net cash paid for acquisition	—			(56,800		)
Proceeds from sale of other real estate	974			957
Net cash provided by investing activities	112,716			37,023
Financing activities:
Net change in deposits	117			186,089
Net change in short-term borrowings	—			(264,923		)
Repayment of long-term debt	(10,110		)	(12,309		)
Proceeds from FHLB advances	780,000			760,000
Repayment of FHLB advances	(900,000		)	(830,000		)
Proceeds from issuance of subordinated debt, net of issuance costs	—			98,188
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	186			144
Proceeds from exercise of stock options	197			—
Cash paid for shares withheld to cover payroll taxes upon vesting of restricted stock	(549		)	(836		)
Repurchase of common stock	(7,342		)	—
Cash dividends on common stock	(12,876		)	(7,885		)
Net cash used in financing activities	(150,377		)	(71,532		)
Net change in cash and cash equivalents, including restricted cash	(1,770		)	37,978
Cash and cash equivalents, including restricted cash, at beginning of period	327,265			314,275
Cash and cash equivalents, including restricted cash, at end of period	$	325,495		$	352,253
Supplemental disclosures of cash flow information:
Interest paid	$	22,963		$	13,069
Income taxes paid	939			811
Significant non-cash investing and financing transactions:
Unsettled securities purchases	—			4,790
Unsettled government guaranteed loan sales	13,934			14,240
Transfers of loans to foreclosed properties	751			625
Unsettled repurchases of common stock	498			—
Acquisitions:
Assets acquired	—			480,679
Liabilities assumed	—			350,433
Net assets acquired	—			130,246
Common stock issued in acquisitions	—			45,746

See accompanying notes to consolidated financial statements. 

7

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Note 1 – Accounting Policies

The accounting and financial reporting policies of United Community Banks, Inc. and its subsidiaries (collectively referred to herein as “United”) conform to accounting principles generally accepted in the United States (“GAAP”) and reporting guidelines of banking regulatory authorities and regulators. The accompanying interim consolidated financial statements have not been audited. All material intercompany balances and transactions have been eliminated. A more detailed description of United’s accounting policies is included in its Annual Report on Form 10-K for the year ended December 31, 2018.

In management’s opinion, all accounting adjustments necessary to accurately reflect the financial position and results of operations on the accompanying financial statements have been made. These adjustments are normal and recurring accruals considered necessary for a fair and accurate statement. The results for interim periods are not necessarily indicative of results for the full year or any other interim periods.

Note 2 –Accounting Standards Updates and Recently Adopted Standards

Accounting Standards Updates

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance was further modified in November 2018 by ASU No. 2018-19, Codification Improvements to Topic 326, Financial Instruments - Credit Losses. The new guidance replaces the incurred loss impairment methodology in current GAAP with a current expected credit loss (“CECL”) methodology and requires consideration of a broader range of information to determine credit loss estimates. Financial assets measured at amortized cost will be presented at the net amount expected to be collected by using an allowance for credit losses. Purchased credit deteriorated loans will receive an allowance account at the acquisition date that represents a component of the purchase price allocation. Credit losses relating to available-for-sale debt securities will be recorded through an allowance for credit losses, with such allowance limited to the amount by which fair value is below amortized cost. Application of this update will primarily be on a modified retrospective approach, although the guidance for debt securities for which an other-than-temporary impairment has been recognized before the effective date and for loans previously covered by Accounting Standards Codification (“ASC”) 310-30, Receivables – Loans and Debt Securities Acquired with Deteriorated Credit Quality will be applied on a prospective basis. For public entities, this update is effective for fiscal years beginning after December 15, 2019. Upon adoption, United expects that the allowance for credit losses will be higher given the change to estimated losses for the estimated life of the financial asset; however, management is still in the process of determining the impact. During the first quarter 2019, management’s CECL steering committee continued the process of populating relevant data, building models and documenting processes and controls in preparation for adoption of Topic 326. During the remainder of 2019, management plans to run multiple parallel runs of the allowance model under the expected credit loss methodology, starting with a loan-focused parallel run using first quarter data. Management will incrementally widen the scope of model runs thereafter until a full CECL run is completed. During monthly steering committee meetings, management regularly reviews project status, gap remediation efforts and project priorities.

Recently Adopted Standards

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This guidance was further modified by ASU No. 2018-10, Codification Improvements to Topic 842 Leases, ASU No. 2018-11, Leases (Topic 842): Targeted Improvements, ASU No. 2018-20, Leases (Topic 842): Narrow-Scope Improvements for Lessors andASU No. 2019-01, Leases (Topic 842): Codification Improvements. These standards require a lessee to recognize in the consolidated balance sheet a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term. United adopted the standard on January 1, 2019 using the optional transition method, which allowed for a modified retrospective method of adoption with a cumulative effect adjustment to shareholders’ equity without restating comparable periods. United also elected the relief package of practical expedients for which there is no requirement to reassess existence of leases, their classification, and initial direct costs as well as an exemption for short-term leases with a term of less than one year, whereby United does not recognize a lease liability or right-of-use asset on the consolidated balance sheet but instead recognizes lease payments as an expense over the lease term as appropriate. The adoption of this guidance resulted in recognition of a right-of-use asset of $23.8 million, a lease liability of $26.8 million and a reduction of shareholders’ equity of $549,000, net of tax, related to its operating leases. In addition, United has equipment financing leases for which it is the lessor, which were previously accounted for as capital leases. Upon adoption of Topic 842, these leases were classified as direct financing leases, which required no significant change in accounting policy or treatment. These lease agreements may include options to renew and for the lessee to purchase the leased equipment at the end of the lease term. As a lessor, United elected to exclude sales taxes from consideration in lease contracts. In the opinion of management, the changes described above resulting from the adoption of the standard did not have a material impact on the consolidated financial statements. See Notes 5 and 14 for additional information on direct financing leases and operating leases, respectively.

8

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Note 3 – Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings

United enters into reverse repurchase agreements in order to invest short-term funds. In addition, United enters into repurchase agreements and reverse repurchase agreements with the same counterparty in transactions commonly referred to as collateral swaps that are subject to master netting agreements under which the balances are netted in the balance sheet in accordance with ASC 210-20, Offsetting.

The following table presents a summary of amounts outstanding under reverse repurchase agreements, of which there were none as of March 31, 2019, and derivative financial instruments including those entered into in connection with the same counterparty under master netting agreements as of the dates indicated (in thousands).

	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
March 31, 2019							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Derivatives	$	25,924		$	—		$	25,924	$	(2,295	)	$	(1,797	)	$	21,832
Total	$	25,924		$	—		$	25,924	$	(2,295	)	$	(1,797	)	$	21,832
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet			Net Liability Balance		Gross Amounts not Offset in the Balance Sheet
									Financial Instruments			Collateral Pledged			Net Amount
Derivatives	$	18,789		$	—		$	18,789	$	(2,295	)	$	(11,870	)	$	4,624
Total	$	18,789		$	—		$	18,789	$	(2,295	)	$	(11,870	)	$	4,624
	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
December 31, 2018							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	24,705			—			24,705		(973		)	(8,029		)	15,703
Total	$	74,705		$	(50,000	)	$	24,705	$	(973	)	$	(8,029	)	$	15,703
Weighted average interest rate of reverse repurchase agreements	3.20		%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
							Net Liability Balance		Financial Instruments			Collateral Pledged			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	26,433			—			26,433		(973		)	(16,126		)	9,334
Total	$	76,433		$	(50,000	)	$	26,433	$	(973	)	$	(16,126	)	$	9,334
Weighted average interest rate of repurchase agreements	2.45		%

At March 31, 2019, United recognized the right to reclaim cash collateral of $11.9 million and the obligation to return cash collateral of $1.80 million. At December 31, 2018, United recognized the right to reclaim cash collateral of $16.1 million and the obligation to return cash collateral of $8.03 million. The right to reclaim cash collateral and the obligation to return cash collateral were included in the consolidated balance sheets in other assets and other liabilities, respectively.

9

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The following table presents additional detail regarding repurchase agreements accounted for as secured borrowings and the securities underlying these agreements as of December 31, 2018 (in thousands).

	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		91 to 110 days		Total
Mortgage-backed securities	$	—	$	—	$	50,000	$	—	$	50,000
Total	$	—	$	—	$	50,000	$	—	$	50,000
Gross amount of recognized liabilities for repurchase agreements in offsetting disclosure									$	50,000
Amounts related to agreements not included in offsetting disclosure									$	—

United is obligated to promptly transfer additional securities if the market value of the securities falls below the repurchase agreement price. United manages this risk by maintaining an unpledged securities portfolio that it believes is sufficient to cover a decline in the market value of the securities sold under agreements to repurchase.

Note 4 – Securities

The amortized cost basis, unrealized gains and losses and fair value of debt securities held-to-maturity as of the dates indicated are as follows (in thousands).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of March 31, 2019
State and political subdivisions	$	65,519	$	1,443	$	456	$	66,506
Residential mortgage-backed securities	170,980		1,078		2,532		169,526
Commercial mortgage-backed securities	28,830		323		68		29,085
Total	$	265,329	$	2,844	$	3,056	$	265,117
As of December 31, 2018
State and political subdivisions	$	68,551	$	952	$	2,191	$	67,312
Residential mortgage-backed securities	176,488		652		5,094		172,046
Commercial mortgage-backed securities	29,368		173		96		29,445
Total	$	274,407	$	1,777	$	7,381	$	268,803

10

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale as of the dates indicated are presented below (in thousands).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of March 31, 2019
U.S. Treasuries	$	142,409	$	22	$	576	$	141,855
U.S. Government agencies	4,812		292		3		5,101
State and political subdivisions	217,120		5,124		64		222,180
Residential mortgage-backed securities	1,414,612		9,222		9,749		1,414,085
Commercial mortgage-backed securities	345,198		432		2,291		343,339
Corporate bonds	200,471		506		301		200,676
Asset-backed securities	128,359		183		1,153		127,389
Total	$	2,452,981	$	15,781	$	14,137	$	2,454,625
As of December 31, 2018
U.S. Treasuries	$	150,712	$	767	$	2,172	$	149,307
U.S. Government agencies	25,493		335		275		25,553
State and political subdivisions	234,750		907		1,716		233,941
Residential mortgage-backed securities	1,464,380		3,428		21,898		1,445,910
Commercial mortgage-backed securities	399,663		187		7,933		391,917
Corporate bonds	200,582		502		1,921		199,163
Asset-backed securities	184,683		328		2,335		182,676
Total	$	2,660,263	$	6,454	$	38,250	$	2,628,467

Securities with a carrying value of $842 million and $925 million were pledged to secure public deposits, derivatives and other secured borrowings at March 31, 2019 and December 31, 2018, respectively.

 The following table summarizes debt securities held-to-maturity in an unrealized loss position as of the dates indicated (in thousands).

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of March 31, 2019
State and political subdivisions	$	—	$	—	$	22,356	$	456	$	22,356	$	456
Residential mortgage-backed securities	—		—		112,921		2,532		112,921		2,532
Commercial mortgage-backed securities	—		—		4,095		68		4,095		68
Total unrealized loss position	$	—	$	—	$	139,372	$	3,056	$	139,372	$	3,056
As of December 31, 2018
State and political subdivisions	$	7,062	$	46	$	34,146	$	2,145	$	41,208	$	2,191
Residential mortgage-backed securities	6,579		61		136,376		5,033		142,955		5,094
Commercial mortgage-backed securities	—		—		4,290		96		4,290		96
Total unrealized loss position	$	13,641	$	107	$	174,812	$	7,274	$	188,453	$	7,381

11

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The following table summarizes debt securities available-for-sale in an unrealized loss position as of the dates indicated (in thousands).

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of March 31, 2019
U.S. Treasuries	$	—	$	—	$	122,122	$	576	$	122,122	$	576
U.S. Government agencies	—		—		471		3		471		3
State and political subdivisions	415		1		18,186		63		18,601		64
Residential mortgage-backed securities	47,263		644		665,525		9,105		712,788		9,749
Commercial mortgage-backed securities	—		—		237,883		2,291		237,883		2,291
Corporate bonds	—		—		108,272		301		108,272		301
Asset-backed securities	71,224		720		17,825		433		89,049		1,153
Total unrealized loss position	$	118,902	$	1,365	$	1,170,284	$	12,772	$	1,289,186	$	14,137
As of December 31, 2018
U.S. Treasuries	$	—	$	—	$	120,391	$	2,172	$	120,391	$	2,172
U.S. Government agencies	—		—		21,519		275		21,519		275
State and political subdivisions	15,160		28		133,500		1,688		148,660		1,716
Residential mortgage-backed securities	234,583		808		775,360		21,090		1,009,943		21,898
Commercial mortgage-backed securities	4,552		594		355,292		7,339		359,844		7,933
Corporate bonds	—		—		117,296		1,921		117,296		1,921
Asset-backed securities	74,492		1,879		31,968		456		106,460		2,335
Total unrealized loss position	$	328,787	$	3,309	$	1,555,326	$	34,941	$	1,884,113	$	38,250

At March 31, 2019, there were 174 debt securities available-for-sale and 56 debt securities held-to-maturity that were in an unrealized loss position. United does not intend to sell nor believes it will be required to sell securities in an unrealized loss position prior to the recovery of their amortized cost basis. Unrealized losses at March 31, 2019 were primarily attributable to changes in interest rates.

Management evaluates securities for other-than-temporary impairment on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, among other factors. In analyzing an issuer’s financial condition, management considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and industry analysts’ reports. No impairment charges were recognized during the three months ended March 31, 2019 or 2018.

Realized gains and losses are derived using the specific identification method for determining the cost of securities sold. The following table summarizes available-for-sale securities sales activity for the three months ended March 31, 2019 and 2018(in thousands). 

	Three Months Ended March 31,
	2019			2018
Proceeds from sales	$	178,604		$	113,961
Gross gains on sales	$	1,287		$	417
Gross losses on sales	(1,554		)	(1,357		)
Net losses on sales of securities	$	(267	)	$	(940	)
Income tax benefit attributable to sales	$	(68	)	$	(221	)

12

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The amortized cost and fair value of debt securities available-for-sale and held-to-maturity at March 31, 2019, by contractual maturity, are presented in the following table (in thousands). 

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
U.S. Treasuries:
1 to 5 years	$	142,409	$	141,855	$	—	$	—
	142,409		141,855		—		—
U.S. Government agencies:
1 to 5 years	474		471		—		—
More than 10 years	4,338		4,630		—		—
	4,812		5,101		—		—
State and political subdivisions:
Within 1 year	500		502		3,250		3,262
1 to 5 years	36,058		36,060		11,567		12,024
5 to 10 years	35,888		36,743		7,753		8,423
More than 10 years	144,674		148,875		42,949		42,797
	217,120		222,180		65,519		66,506
Corporate bonds:
Within 1 year	10,239		10,219		—		—
1 to 5 years	187,732		187,948		—		—
5 to 10 years	1,500		1,514		—		—
More than 10 years	1,000		995		—		—
	200,471		200,676		—		—
Asset-backed securities:
1 to 5 years	2,121		2,107		—		—
More than 10 years	126,238		125,282		—		—
	128,359		127,389		—		—
Total securities other than mortgage-backed securities:
Within 1 year	10,739		10,721		3,250		3,262
1 to 5 years	368,794		368,441		11,567		12,024
5 to 10 years	37,388		38,257		7,753		8,423
More than 10 years	276,250		279,782		42,949		42,797
Residential mortgage-backed securities	1,414,612		1,414,085		170,980		169,526
Commercial mortgage-backed securities	345,198		343,339		28,830		29,085
	$	2,452,981	$	2,454,625	$	265,329	$	265,117

Expected maturities may differ from contractual maturities because issuers and borrowers may have the right to call or prepay obligations.

13

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Note 5 – Loans and Leases and Allowance for Credit Losses

Major classifications of the loan and lease portfolio (collectively referred to as the “loan portfolio” or “loans”) are summarized as of the dates indicated as follows (in thousands).

	March 31, 2019			December 31, 2018
Owner occupied commercial real estate	$	1,620,068		$	1,647,904
Income producing commercial real estate	1,867,425			1,812,420
Commercial & industrial	1,283,865			1,278,347
Commercial construction	865,666			796,158
Equipment financing	605,984			564,614
Total commercial	6,243,008			6,099,443
Residential mortgage	1,063,840			1,049,232
Home equity lines of credit	683,771			694,010
Residential construction	200,708			211,011
Consumer direct	121,174			122,013
Indirect auto	180,753			207,692
Total loans	8,493,254			8,383,401
Less allowance for loan losses	(61,642		)	(61,203		)
Loans, net	$	8,431,612		$	8,322,198

At March 31, 2019 and December 31, 2018, loans totaling $4.03 billion and $3.98 billion, respectively, were pledged as collateral to secure Federal Home Loan Bank advances, securitized notes payable and other contingent funding sources.

At March 31, 2019, the carrying value and outstanding balance of purchased credit impaired (“PCI”) loans accounted for under ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, were $68.7 million and $100 million, respectively. At December 31, 2018, the carrying value and outstanding balance of PCI loans were $74.4 million and $109 million, respectively. The following table presents changes in the balance of the accretable yield for PCI loans for the periods indicated (in thousands): 

	Three Months Ended March 31,
	2019			2018
Balance at beginning of period	$	26,868		$	17,686
Additions due to acquisitions	—			1,830
Accretion	(4,813		)	(2,546		)
Reclassification from nonaccretable difference	2,706			591
Changes in expected cash flows that do not affect nonaccretable difference	1,863			475
Balance at end of period	$	26,624		$	18,036

In addition to the accretable yield on PCI loans, the fair value adjustments on purchased loans outside the scope of ASC 310-30 are also accreted to interest revenue over the life of the loans. At March 31, 2019 and December 31, 2018, the remaining accretable net fair value discount on loans acquired through a business combination and not accounted for under ASC 310-30 was $4.44 million and $4.31 million, respectively. At March 31, 2019, the net fair value discount of $4.44 million included a net premium on acquired equipment financing loans. In addition, indirect auto loans purchased at a premium outside of a business combination had a remaining premium of $3.03 million and $3.72 million, respectively, as of March 31, 2019 and December 31, 2018.

14

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

At March 31, 2019 and December 31, 2018, equipment financing assets included direct financing leases of $33.5 million and $30.4 million, respectively. The components of the net investment in leases are presented below (in thousands). 

	March 31, 2019			December 31, 2018
Minimum future lease payments receivable	$	35,385		$	31,915
Estimated residual value of leased equipment	3,791			3,593
Initial direct costs	856			827
Security deposits	(1,173		)	(1,189		)
Purchase accounting premium	644			806
Unearned income	(6,011		)	(5,568		)
Net investment in leases	$	33,492		$	30,384

Minimum future lease payments expected to be received from lease contracts as of March 31, 2019 are as follows (in thousands): 

Year
Remainder of 2019	$	10,384
2020	10,960
2021	7,156
2022	4,249
2023	2,046
Thereafter	590
Total	$	35,385

15

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Allowance for Credit Losses and Loans Individually Evaluated for Impairment

The allowance for loan losses represents management’s estimate of probable incurred losses in the loan portfolio as of the end of the period. The allowance for unfunded commitments is included in other liabilities in the consolidated balance sheet. Combined, the allowance for loan losses and allowance for unfunded commitments are referred to as the allowance for credit losses.

The following table presents the balance and activity in the allowance for credit losses by portfolio segment for the periods indicated (in thousands). 

	2019												2018
Three Months Ended March 31,
	Beginning Balance		Charge-Offs			Recoveries		(Release)Provision			Ending Balance		Beginning Balance		Charge-Offs			Recoveries		(Release) Provision			Ending Balance
Owner occupied commercial real estate	$	12,207	$	(5	)	$	69	$	(397	)	$	11,874	$	14,776	$	(60	)	$	103	$	(258	)	$	14,561
Income producing commercial real estate	11,073		(197		)	20		230			11,126		9,381		(657		)	235		817			9,776
Commercial & industrial	4,802		(1,519		)	163		1,449			4,895		3,971		(384		)	389		99			4,075
Commercial construction	10,337		(69		)	394		(387		)	10,275		10,523		(363		)	97		(223		)	10,034
Equipment financing	5,452		(1,424		)	143		2,060			6,231		—		(139		)	97		2,333			2,291
Residential mortgage	8,295		(61		)	48		63			8,345		10,097		(70		)	123		71			10,221
Home equity lines of credit	4,752		(337		)	122		260			4,797		5,177		(124		)	35		(156		)	4,932
Residential construction	2,433		(4		)	26		(65		)	2,390		2,729		—			64		251			3,044
Consumer direct	853		(547		)	207		324			837		710		(651		)	160		514			733
Indirect auto	999		(197		)	38		32			872		1,550		(436		)	80		224			1,418
Total allowance for loan losses	61,203		(4,360		)	1,230		3,569			61,642		58,914		(2,884		)	1,383		3,672			61,085
Allowance for unfunded commitments	3,410		—			—		(269		)	3,141		2,312		—			—		128			2,440
Total allowance for credit losses	$	64,613	$	(4,360	)	$	1,230	$	3,300		$	64,783	$	61,226	$	(2,884	)	$	1,383	$	3,800		$	63,525

The following tables represent the recorded investment in loans by portfolio segment and the balance of the allowance for loan losses assigned to each segment based on the method of evaluating the loans for impairment as of the dates indicated (in thousands).

	Allowance for Credit Losses
	March 31, 2019								December 31, 2018
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	825	$	10,894	$	155	$	11,874	$	862	$	11,328	$	17	$	12,207
Income producing commercial real estate	280		10,846		—		11,126		402		10,671		—		11,073
Commercial & industrial	36		4,855		4		4,895		32		4,761		9		4,802
Commercial construction	68		10,001		206		10,275		71		9,974		292		10,337
Equipment financing	—		5,988		243		6,231		—		5,045		407		5,452
Residential mortgage	916		7,403		26		8,345		861		7,410		24		8,295
Home equity lines of credit	1		4,796		—		4,797		1		4,740		11		4,752
Residential construction	63		2,327		—		2,390		51		2,382		—		2,433
Consumer direct	5		832		—		837		6		847		—		853
Indirect auto	25		847		—		872		26		973		—		999
Total allowance for loan losses	2,219		58,789		634		61,642		2,312		58,131		760		61,203
Allowance for unfunded commitments	—		3,141		—		3,141		—		3,410		—		3,410
Total allowance for credit losses	$	2,219	$	61,930	$	634	$	64,783	$	2,312	$	61,541	$	760	$	64,613

16

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

	Loans Outstanding
	March 31, 2019								December 31, 2018
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	17,238	$	1,594,226	$	8,604	$	1,620,068	$	17,602	$	1,620,450	$	9,852	$	1,647,904
Income producing commercial real estate	14,125		1,817,203		36,097		1,867,425		16,584		1,757,525		38,311		1,812,420
Commercial & industrial	1,701		1,281,823		341		1,283,865		1,621		1,276,318		408		1,278,347
Commercial construction	2,379		857,683		5,604		865,666		2,491		787,760		5,907		796,158
Equipment financing	—		599,243		6,741		605,984		—		556,672		7,942		564,614
Residential mortgage	15,453		1,039,582		8,805		1,063,840		14,220		1,025,862		9,150		1,049,232
Home equity lines of credit	255		682,047		1,469		683,771		276		692,122		1,612		694,010
Residential construction	1,340		198,787		581		200,708		1,207		209,070		734		211,011
Consumer direct	199		120,499		476		121,174		211		121,269		533		122,013
Indirect auto	1,104		179,649		—		180,753		1,237		206,455		—		207,692
Total loans	$	53,794	$	8,370,742	$	68,718	$	8,493,254	$	55,449	$	8,253,503	$	74,449	$	8,383,401

A loan is considered impaired when, based on current events and circumstances, it is probable that all amounts due according to the original contractual terms of the loan will not be collected. Management individually evaluates certain impaired loans, including all non-PCI relationships that are on nonaccrual with a balance of $500,000 or greater and all troubled debt restructurings (“TDRs”) regardless of accrual status, for impairment. Impairment is measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent. A specific reserve is established for impaired loans for the amount of calculated impairment, if any. Interest payments received on impaired nonaccrual loans are applied as a reduction of the recorded investment in the loan. For impaired loans not on nonaccrual status, interest is accrued according to the terms of the loan agreement. Loans are evaluated for impairment quarterly and specific reserves are established in the allowance for loan losses for any measured impairment.

Each quarter, management prepares an analysis of the allowance for credit losses to determine the appropriate balance that measures and quantifies the amount of probable incurred losses in the loan portfolio and unfunded loan commitments. The allowance is comprised of specific reserves on individually impaired loans, which are determined as described above, and general reserves which are determined based on historical loss experience as adjusted for current trends and economic conditions multiplied by a loss emergence period factor.

Management calculates the loss emergence period for each pool in the loan portfolio based on the weighted average length of time between the date a loan first exceeds 30 days past due and the date the loan is charged off.

On junior lien home equity loans, management has limited ability to monitor the delinquency status of the first lien unless the first lien is also held by United. As a result, management applies the weighted average historical loss factor for this category and appropriately adjusts it to reflect the increased risk of loss from these credits.

Management carefully reviews the resulting loss factors for each category of the loan portfolio and evaluates whether qualitative adjustments are necessary to take into consideration recent credit trends such as increases or decreases in past due, nonaccrual, criticized and classified loans, and other macro environmental factors such as changes in unemployment rates, employment rates, debt per capita, home price indices, and trends in real estate value indices.

Management believes that its method of determining the balance of the allowance for credit losses provides a reasonable and reliable basis for measuring and reporting losses that are incurred in the loan portfolio as of the reporting date.

When a loan officer determines that a loan is uncollectible, he or she is responsible for recommending that the loan be placed on nonaccrual status and evaluated for impairment, which, if necessary, could result in fully or partially charging off the loan or establishing a specific reserve. Full or partial charge-offs may also be recommended by the Collections Department, the Special Assets Department, the Loss Mitigation Department and the Foreclosure/OREO Department. Nonaccrual real estate loans are generally charged down to fair value of collateral less costs to sell at the time they are placed on nonaccrual status.

Commercial and consumer asset quality committees meet monthly to review charge-offs that have occurred during the previous month. Participants include the respective Chief Credit Officer, Senior Risk Officers and Senior Credit Officers.

17

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Generally, closed-end retail loans (installment and residential mortgage loans) past due 90 cumulative days are written down to their collateral value less estimated selling costs. Open-end (revolving) unsecured retail loans which are past due 90 cumulative days from their contractual due date are generally charged-off.

The following table presents loans individually evaluated for impairment by class as of the dates indicated (in thousands).

	March 31, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated
With no related allowance recorded:
Owner occupied commercial real estate	$	8,159	$	6,089	$	—	$	8,650	$	6,546	$	—
Income producing commercial real estate	8,333		8,227		—		9,986		9,881		—
Commercial & industrial	522		360		—		525		370		—
Commercial construction	119		113		—		685		507		—
Equipment financing	—		—		—		—		—		—
Total commercial	17,133		14,789		—		19,846		17,304		—
Residential mortgage	6,513		5,890		—		5,787		5,202		—
Home equity lines of credit	275		215		—		330		234		—
Residential construction	753		624		—		554		428		—
Consumer direct	15		15		—		18		17		—
Indirect auto	142		130		—		294		292		—
Total with no related allowance recorded	24,831		21,663		—		26,829		23,477		—
With an allowance recorded:
Owner occupied commercial real estate	11,191		11,149		825		11,095		11,056		862
Income producing commercial real estate	6,166		5,898		280		6,968		6,703		402
Commercial & industrial	1,746		1,341		36		1,652		1,251		32
Commercial construction	2,503		2,266		68		2,130		1,984		71
Equipment financing	—		—		—		—		—		—
Total commercial	21,606		20,654		1,209		21,845		20,994		1,367
Residential mortgage	9,713		9,563		916		9,169		9,018		861
Home equity lines of credit	43		40		1		45		42		1
Residential construction	727		716		63		791		779		51
Consumer direct	189		184		5		199		194		6
Indirect auto	975		974		25		946		945		26
Total with an allowance recorded	33,253		32,131		2,219		32,995		31,972		2,312
Total	$	58,084	$	53,794	$	2,219	$	59,824	$	55,449	$	2,312

As of March 31, 2019 and December 31, 2018, $2.22 million and $2.31 million, respectively, of specific reserves were allocated to customers whose loan terms have been modified in TDRs. As of March 31, 2019 and December 31, 2018, there were no commitments to lend additional amounts to customers with outstanding loans that are classified as TDRs.

The modification of the TDR terms included one or a combination of the following: a reduction of the stated interest rate of the loan or an extension of the amortization period that would not otherwise be considered in the current market for new debt with similar risk characteristics; a restructuring of the borrower’s debt into an “A/B note structure” where the A note would fall within the borrower’s ability to pay and the remainder would be included in the B note; a mandated bankruptcy restructuring; or interest-only payment terms greater than 90 days where the borrower is unable to amortize the loan. Modified PCI loans are not accounted for as TDRs because they are not separated from the pools, and as such are not classified as impaired loans.

18

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Loans modified under the terms of a TDR during the three months ended March 31, 2019 and 2018 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that defaulted (became 90 days or more delinquent) during the periods presented and were initially restructured within one year prior to default (dollars in thousands).

	New TDRs
		Pre-modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment by Type of Modification								TDRs Modified Within the Previous Twelve Months That Have Subsequently Defaulted
	Number of Contracts			Rate   Reduction		Structure		Other		Total		Number of   Contracts	Recorded   Investment
Three Months Ended March 31, 2019
Owner occupied commercial real estate	—	$	—	$	—	$	—	$	—	$	—	—	$	—
Income producing commercial real estate	1	169		—		169		—		169		—	—
Commercial & industrial	1	7		—		—		7		7		—	—
Commercial construction	—	—		—		—		—		—		—	—
Equipment financing	—	—		—		—		—		—		—	—
Total commercial	2	176		—		169		7		176		—	—
Residential mortgage	2	345		—		344		—		344		—	—
Home equity lines of credit	—	—		—		—		—		—		—	—
Residential construction	—	—		—		—		—		—		—	—
Consumer direct	—	—		—		—		—		—		—	—
Indirect auto	6	66		—		—		57		57		—	—
Total loans	10	$	587	$	—	$	513	$	64	$	577	—	$	—
Three Months Ended March 31, 2018
Owner occupied commercial real estate	3	$	994	$	—	$	978	$	—	$	978	2	$	1,586
Income producing commercial real estate	—	—		—		—		—		—		—	—
Commercial & industrial	1	81		—		5		—		5		—	—
Commercial construction	—	—		—		—		—		—		—	—
Equipment financing	—	—		—		—		—		—		—	—
Total commercial	4	1,075		—		983		—		983		2	1,586
Residential mortgage	2	340		—		340		—		340		—	—
Home equity lines of credit	—	—		—		—		—		—		—	—
Residential construction	—	—		—		—		—		—		—	—
Consumer direct	—	—		—		—		—		—		—	—
Indirect auto	—	—		—		—		—		—		—	—
Total loans	6	$	1,415	$	—	$	1,323	$	—	$	1,323	2	$	1,586

Collateral dependent TDRs that subsequently default or are placed on nonaccrual are charged down to the fair value of the collateral consistent with United’s policy for nonaccrual loans. Impairment on TDRs that are not collateral dependent continues to be measured based on discounted cash flows regardless of whether the loan has subsequently defaulted.

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired are presented below for the periods indicated (in thousands). 

	2019						2018
Three Months Ended March 31,	Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received		Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received
Owner occupied commercial real estate	$	17,410	$	285	$	284	$	24,658	$	245	$	280
Income producing commercial real estate	14,237		193		207		16,433		210		235
Commercial & industrial	1,716		19		19		2,596		40		42
Commercial construction	2,402		34		33		3,936		51		52
Equipment financing	—		—		—		—		—		—
Total commercial	35,765		531		543		47,623		546		609
Residential mortgage	15,502		168		174		14,993		149		150
Home equity lines of credit	258		4		3		344		4		4
Residential construction	1,408		24		23		1,590		24		24
Consumer direct	205		4		4		291		5		5
Indirect auto	1,190		14		14		1,378		18		18
Total	$	54,328	$	745	$	761	$	66,219	$	746	$	810

Nonaccrual and Past Due Loans

Nonaccrual loans include both homogeneous loans that are collectively evaluated for impairment and individually evaluated impaired loans. United’s policy is to place loans on nonaccrual status when, in the opinion of management, the principal and interest on a loan is not likely to be repaid in full or when the loan becomes 90 days past due and is not well secured and in the process of collection. When a loan is classified on nonaccrual status, interest previously accrued but not collected is reversed against current interest revenue. Principal and interest payments received on a nonaccrual loan are generally applied to reduce the loan’s recorded investment.

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 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 or pool of loans. 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.

The gross additional interest revenue that would have been earned if the loans classified as nonaccrual had performed in accordance with the original terms was approximately $378,000 and $342,000 for the three months ended March 31, 2019 and 2018, respectively.

20

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The following table presents the recorded investment in nonaccrual loans by loan class as of the dates indicated (in thousands). 

	March 31, 2019		December 31, 2018
Owner occupied commercial real estate	$	7,030	$	6,421
Income producing commercial real estate	1,276		1,160
Commercial & industrial	1,666		1,417
Commercial construction	473		605
Equipment financing	1,813		2,677
Total commercial	12,258		12,280
Residential mortgage	8,281		8,035
Home equity lines of credit	2,233		2,360
Residential construction	347		288
Consumer direct	47		89
Indirect auto	458		726
Total	$	23,624	$	23,778

Excluding PCI loans, substantially all loans more than 90 days past due were on nonaccrual status at March 31, 2019 and December 31, 2018. The following table presents the aging of the recorded investment in past due loans by class of loans as of the dates indicated (in thousands).

	Loans Past Due
As of March 31, 2019	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		PCI Loans		Total
Owner occupied commercial real estate	$	4,644	$	1,142	$	3,328	$	9,114	$	1,602,350	$	8,604	$	1,620,068
Income producing commercial real estate	1,199		125		706		2,030		1,829,298		36,097		1,867,425
Commercial & industrial	2,649		790		937		4,376		1,279,148		341		1,283,865
Commercial construction	139		443		24		606		859,456		5,604		865,666
Equipment financing	1,809		894		1,722		4,425		594,818		6,741		605,984
Total commercial	10,440		3,394		6,717		20,551		6,165,070		57,387		6,243,008
Residential mortgage	4,862		1,511		1,292		7,665		1,047,370		8,805		1,063,840
Home equity lines of credit	2,355		634		528		3,517		678,785		1,469		683,771
Residential construction	574		132		154		860		199,267		581		200,708
Consumer direct	522		89		2		613		120,085		476		121,174
Indirect auto	711		185		416		1,312		179,441		—		180,753
Total loans	$	19,464	$	5,945	$	9,109	$	34,518	$	8,390,018	$	68,718	$	8,493,254

	Loans Past Due
As of December 31, 2018	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		PCI Loans		Total
Owner occupied commercial real estate	$	2,542	$	2,897	$	1,011	$	6,450	$	1,631,602	$	9,852	$	1,647,904
Income producing commercial real estate	1,624		291		301		2,216		1,771,893		38,311		1,812,420
Commercial & industrial	7,189		718		400		8,307		1,269,632		408		1,278,347
Commercial construction	267		—		68		335		789,916		5,907		796,158
Equipment financing	1,351		739		2,658		4,748		551,924		7,942		564,614
Total commercial	12,973		4,645		4,438		22,056		6,014,967		62,420		6,099,443
Residential mortgage	5,461		1,788		1,950		9,199		1,030,883		9,150		1,049,232
Home equity lines of credit	2,112		864		902		3,878		688,520		1,612		694,010
Residential construction	509		63		190		762		209,515		734		211,011
Consumer direct	600		82		21		703		120,777		533		122,013
Indirect auto	750		323		633		1,706		205,986		—		207,692
Total loans	$	22,405	$	7,765	$	8,134	$	38,304	$	8,270,648	$	74,449	$	8,383,401

21

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Risk Ratings

United categorizes commercial loans, with the exception of equipment financing receivables, 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 industry and economic trends, among other factors. United analyzes loans individually by classifying the loans as to credit risk. This analysis is performed on a continual basis. United uses the following definitions for its risk ratings:

Watch. Loans in this category are presently protected from apparent loss; however, weaknesses exist that could cause future impairment, including the deterioration of financial ratios, past due status and questionable management capabilities. These loans require more than the ordinary amount of supervision. Collateral values generally afford adequate coverage, but may not be immediately marketable.

Substandard. These loans are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged. Specific and well-defined weaknesses exist that may include poor liquidity and deterioration of financial ratios. The loan may be past due and related deposit accounts experiencing overdrafts. There is the distinct possibility that United will sustain some loss if deficiencies are not corrected. If possible, immediate corrective action is taken.

Doubtful. Specific weaknesses characterized as Substandard that are severe enough to make collection in full highly questionable and improbable. There is no reliable secondary source of full repayment.

Loss. Loans categorized as Loss have the same characteristics as Doubtful; however, probability of loss is certain. Loans classified as Loss are charged off.

Equipment Financing Receivables and Consumer Purpose Loans. United applies a pass / fail grading system to all equipment financing receivables and consumer purpose loans. Under the pass / fail grading system, loans that become past due 90 days or are in bankruptcy are classified as “fail” and all other loans are classified as “pass”. For reporting purposes, loans in these categories that are classified as “fail” are reported in the substandard column and all other loans are reported in the “pass” column.

Loans not meeting the criteria above that are analyzed individually as part of the above described process are considered to be pass rated loans.

22

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Based on the most recent analysis performed, the risk category of loans by class of loans as of the dates indicated is as follows (in thousands).

	Pass		Watch		Substandard		Doubtful / Loss		Total
As of March 31, 2019
Owner occupied commercial real estate	$	1,557,510	$	17,511	$	36,443	$	—	$	1,611,464
Income producing commercial real estate	1,789,063		22,548		19,717		—		1,831,328
Commercial & industrial	1,253,268		7,517		22,739		—		1,283,524
Commercial construction	846,902		6,767		6,393		—		860,062
Equipment financing	597,430		—		1,813		—		599,243
Total commercial	6,044,173		54,343		87,105		—		6,185,621
Residential mortgage	1,043,447		—		11,588		—		1,055,035
Home equity lines of credit	678,578		—		3,724		—		682,302
Residential construction	199,570		—		557		—		200,127
Consumer direct	120,465		—		233		—		120,698
Indirect auto	178,740		—		2,013		—		180,753
Total loans, excluding PCI loans	8,264,973		54,343		105,220		—		8,424,536
Owner occupied commercial real estate	2,803		2,781		3,020		—		8,604
Income producing commercial real estate	23,872		11,389		836		—		36,097
Commercial & industrial	246		43		52		—		341
Commercial construction	3,340		165		2,099		—		5,604
Equipment financing	6,626		—		115		—		6,741
Total commercial	36,887		14,378		6,122		—		57,387
Residential mortgage	6,512		—		2,293		—		8,805
Home equity lines of credit	1,350		—		119		—		1,469
Residential construction	542		—		39		—		581
Consumer direct	440		—		36		—		476
Indirect auto	—		—		—		—		—
Total PCI loans	45,731		14,378		8,609		—		68,718
Total loan portfolio	$	8,310,704	$	68,721	$	113,829	$	—	$	8,493,254
As of December 31, 2018
Owner occupied commercial real estate	$	1,585,797	$	16,651	$	35,604	$	—	$	1,638,052
Income producing commercial real estate	1,735,456		20,923		17,730		—		1,774,109
Commercial & industrial	1,247,206		8,430		22,303		—		1,277,939
Commercial construction	777,780		4,533		7,938		—		790,251
Equipment financing	553,995		—		2,677		—		556,672
Total commercial	5,900,234		50,537		86,252		—		6,037,023
Residential mortgage	1,028,660		—		11,422		—		1,040,082
Home equity lines of credit	688,493		—		3,905		—		692,398
Residential construction	209,744		—		533		—		210,277
Consumer direct	121,247		19		214		—		121,480
Indirect auto	205,632		—		2,060		—		207,692
Total loans, excluding PCI loans	8,154,010		50,556		104,386		—		8,308,952
Owner occupied commercial real estate	3,352		2,774		3,726		—		9,852
Income producing commercial real estate	23,430		13,403		1,478		—		38,311
Commercial & industrial	266		48		94		—		408
Commercial construction	3,503		188		2,216		—		5,907
Equipment financing	7,725		—		217		—		7,942
Total commercial	38,276		16,413		7,731		—		62,420
Residential mortgage	6,914		—		2,236		—		9,150
Home equity lines of credit	1,492		—		120		—		1,612
Residential construction	687		—		47		—		734
Consumer direct	493		—		40		—		533
Indirect auto	—		—		—		—		—
Total PCI loans	47,862		16,413		10,174		—		74,449
Total loan portfolio	$	8,201,872	$	66,969	$	114,560	$	—	$	8,383,401

23

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Note 6 – Reclassifications Out of Accumulated Other Comprehensive Income

The following table presents the details regarding amounts reclassified out of accumulated other comprehensive income for the periods indicated (in thousands).

Details about Accumulated Other Comprehensive Income Components	Three Months Ended March 31,						Affected Line Item in the Statement Where Net Income is Presented
	2019			2018
Realized losses on available-for-sale securities:
	$	(267	)	$	(940	)	Securities losses, net
	68			221			Income tax benefit
	$	(199	)	$	(719	)	Net of tax
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity:
	$	(84	)	$	(222	)	Investment securities interest revenue
	20			54			Income tax benefit
	$	(64	)	$	(168	)	Net of tax
Amortization of losses included in net income on derivative financial instruments accounted for as cash flow hedges:
Amortization of losses on de-designated positions	$	(102	)	$	(147	)	Money market deposit interest expense
	26			38			Income tax benefit
	$	(76	)	$	(109	)	Net of tax
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan:
Prior service cost	$	(159	)	$	(167	)	Salaries and employee benefits expense
Actuarial losses	(15		)	—			Other expense
Actuarial losses	—			(60		)	Salaries and employee benefits expense
	(174		)	(227		)	Total before tax
	44			58			Income tax benefit
	$	(130	)	$	(169	)	Net of tax
Total reclassifications for the period	$	(469	)	$	(1,165	)	Net of tax

Amounts shown above in parentheses reduce earnings.

24

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Note 7 – Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data).

	Three Months Ended March 31,
	2019			2018
Net income	$	44,262		$	37,658
Dividends and undistributed earnings allocated to unvested shares	(315		)	(277		)
Net income available to common shareholders	$	43,947		$	37,381
Weighted average shares outstanding:
Basic	79,807			79,205
Effect of dilutive securities
Stock options	3			10
Restricted stock units	3			—
Diluted	79,813			79,215
Net income per common share:
Basic	$	0.55		$	0.47
Diluted	$	0.55		$	0.47

At March 31, 2019, United excluded 31,812 potentially dilutive shares of common stock issuable upon exercise of stock options with a weighted average exercise price of $31.47 from the computation of diluted earnings per share because of their antidilutive effect.

At March 31, 2018, United had the following potentially dilutive stock options and warrants outstanding: a warrant to purchase 219,909 shares of common stock at $61.40 per share; 32,464 shares of common stock issuable upon exercise of stock options granted to employees with a weighted average exercise price of $31.50.

Note 8 – Derivatives and Hedging Activities

Risk Management Objective of Using Derivatives

United is exposed to certain risks arising from both its business operations and economic conditions. United principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. United manages interest rate risk through a combination of pricing and term structure of deposit product offerings, the amount and duration of its investment securities portfolio and wholesale funding, and through the use of derivative financial instruments. Specifically, United enters into derivative financial instruments to manage interest rate risk exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Derivative financial instruments are used to manage differences in the amount, timing, and duration of known or expected cash receipts and known or expected cash payments principally related to loans, investment securities, wholesale borrowings and deposits.

In conjunction with the FASB’s fair value measurement guidance, United made an accounting policy election to measure the credit risk of its derivative financial instruments that are subject to master netting arrangements on a gross basis.

25

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

United clears certain derivatives centrally through the Chicago Mercantile Exchange (“CME”). CME rules legally characterize variation margin payments for centrally cleared derivatives as settlements of the derivatives’ exposure rather than as collateral. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting purposes. Variation margin, as determined by the CME, is settled daily. As a result, derivative contracts that clear through the CME have an estimated fair value of zero. The table below presents the fair value of derivative financial instruments as of the dates indicated as well as their classification on the consolidated balance sheets (in thousands):

Derivatives designated as hedging instruments under ASC 815

Interest Rate Products	Balance Sheet Location	March 31, 2019		December 31, 2018
Fair value hedge of brokered CDs	Derivative liabilities	$	1,251	$	1,682
		$	1,251	$	1,682

Derivatives not designated as hedging instruments under ASC 815

Interest Rate Products	Balance Sheet Location	March 31, 2019		December 31, 2018
Customer derivative positions	Derivative assets	$	12,658	$	5,216
Dealer offsets to customer derivative positions	Derivative assets	3,691		7,620
Mortgage banking - loan commitment	Derivative assets	1,796		1,190
Mortgage banking - forward sales commitment	Derivative assets	14		28
Bifurcated embedded derivatives	Derivative assets	7,765		10,651
		$	25,924	$	24,705
Customer derivative positions	Derivative liabilities	$	4,118	$	9,661
Dealer offsets to customer derivative positions	Derivative liabilities	2,744		781
Risk participations	Derivative liabilities	6		8
Mortgage banking - forward sales commitment	Derivative liabilities	483		259
Dealer offsets to bifurcated embedded derivatives	Derivative liabilities	10,187		13,339
De-designated hedges	Derivative liabilities	—		703
		$	17,538	$	24,751

Customer derivative positions are between United and certain commercial loan customers with offsetting positions to dealers under a back-to-back swap/cap program. United also has three interest rate swap contracts that are not designated as hedging instruments but are economic hedges of market-linked brokered certificates of deposit. The market-linked brokered certificates of deposit contain embedded derivatives that are bifurcated from the host instruments and are marked to market through earnings. The fair value marks on the market linked swaps and the bifurcated embedded derivatives tend to move in opposite directions with changes in 90-day London Interbank Offered Rate (“LIBOR”) and therefore provide an economic hedge.

To accommodate customers, United occasionally enters into credit risk participation agreements with counterparty banks to accept a portion of the credit risk related to interest rate swaps. This allows customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members. Credit risk participation agreements arise when United contracts with other financial institutions, as a guarantor, to share credit risk associated with certain interest rate swaps. These agreements provide for reimbursement of losses resulting from a third party default on the underlying swap. These transactions are typically executed in conjunction with a participation in a loan with the same customer. Collateral used to support the credit risk for the underlying lending relationship is also available to offset the risk of the credit risk participation.

In addition, United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the loan is funded and eventually sold, United is subject to the risk of variability in market prices. United enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments. United accounts for most newly originated mortgage loans at fair value pursuant to the fair value option, and these loans are not reflected in the table above. Fair value adjustments on these derivative instruments are recorded within mortgage loan and other related fee income in the consolidated statements of income. 

26

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Cash Flow Hedges of Interest Rate Risk

At March 31, 2019 and December 31, 2018 United did not have any active cash flow hedges. Changes in balance sheet composition and interest rate risk position made cash flow hedges not currently necessary as protection against rising interest rates. The loss remaining in other comprehensive income from prior hedges that have been de-designated is being amortized into earnings over the original term of the swaps as the forecasted transactions that the swaps were originally designated to hedge are still expected to occur. Amortization of the loss on the de-designated hedges was the only effect of cash flow hedges on the consolidated statements of income for the three months ended March 31, 2019 and 2018. See Note 6 for further detail. United expects that $118,000 will be reclassified as an increase to interest expense over the next twelve months related to these cash flow hedges.

Fair Value Hedges of Interest Rate Risk

United is exposed to changes in the fair value of certain of its fixed-rate obligations due to changes in interest rates. United uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in interest rates. Interest rate swaps designated as fair value hedges of brokered deposits involve the receipt of fixed-rate amounts from a counterparty in exchange for United making variable rate payments over the life of the agreements without the exchange of the underlying notional amount. Interest rate swaps designated as fair value hedges of fixed-rate investments involve the receipt of variable-rate payments from a counterparty in exchange for United making fixed-rate payments over the life of the instrument without the exchange of the underlying notional amount. At March 31, 2019, United had four interest rate swaps with a notional amount of $38.0 million that were designated as fair value hedges of interest rate risk and were pay-variable / receive-fixed swaps hedging the changes in the fair value of fixed-rate brokered time deposits resulting from changes in interest rates. As of March 31, 2019, the hedged brokered time deposits, which were included in brokered deposits on the consolidated balance sheet, had a carrying value of $36.0 million, which included cumulative fair value hedging adjustments of $1.38 million. At December 31, 2018, United had four interest rate swaps with an aggregate notional amount of $39.0 million that were designated as fair value hedges of interest rate risk and were pay-variable / receive-fixed, hedging the changes in the fair value of fixed-rate brokered time deposits resulting from changes in interest rates.

For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in earnings. United includes the gain or loss on the hedged items in the same income statement line item as the offsetting loss or gain on the related derivatives. During the three months ended March 31, 2019, and March 31, 2018, United recognized net losses of $11,000 and $79,000, respectively, related to ineffectiveness in the fair value hedging relationships. United also recognized a net increase in interest expense of $101,000 for the three months ended March 31, 2019 and a net increase in interest expense of $14,000 for the three months ended March 31, 2018 related to fair value hedges of brokered time deposits, which includes net settlements on the derivatives. United recognized an increase in interest revenue on securities during the three months ended March 31, 2018 of $17,000 related to fair value hedges of corporate bonds which were terminated during the first quarter of 2018.

The table below presents the effect of derivatives in fair value hedging relationships on the consolidated statement of income for the periods indicated (in thousands). 

	Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative					Amount of Gain (Loss) Recognized in Income on Hedged Item
		2019		2018			2019			2018
Three Months Ended March 31,
Fair value hedges of brokered CDs	Interest expense	$	451	$	(693	)	$	(462	)	$	545
Fair value hedges of corporate bonds	Interest revenue	—		(336		)	—			405
		$	451	$	(1,029	)	$	(462	)	$	950

In certain cases, the estate of deceased brokered certificate of deposit holders may put the certificate of deposit back to United at par upon the death of the holder. When these estate puts occur, a gain or loss is recognized for the difference between the fair value and the par amount of the deposits put back. The change in the fair value of brokered time deposits that are being hedged in fair value hedging relationships reported in the table above includes gains and losses from estate puts and such gains and losses are included in the amount of reported ineffectiveness gains or losses.

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Derivatives Not Designated as Hedging Instruments under ASC 815

The table below presents the gains and losses recognized in income on derivatives not designated as hedging instruments under ASC 815 for the periods indicated (in thousands). 

	Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		2019			2018
Three Months Ended March 31,
Customer derivatives and dealer offsets	Other noninterest income	$	503		$	772
Bifurcated embedded derivatives and dealer offsets	Other noninterest income	218			370
Interest rate caps	Other noninterest income	—			276
De-designated hedges	Other noninterest income	(193		)	(67		)
Mortgage banking derivatives	Mortgage loan revenue	(190		)	1,264
Risk participations	Other noninterest income	2			(2		)
		$	340		$	2,613

Credit-Risk-Related Contingent Features

United manages its credit exposure on derivatives transactions by entering into a bilateral credit support agreement with each non-customer counterparty. The credit support agreements require collateralization of exposures beyond specified minimum threshold amounts. The details of these agreements, including the minimum thresholds, vary by counterparty. As of March 31, 2019, collateral totaling $11.9 million was pledged toward derivatives in a liability position.

United’s agreements with each of its derivative counterparties contain a provision where if either party defaults on any of its indebtedness, then it could also be declared in default on its derivative obligations. The agreements with derivatives counterparties also include provisions that if not met, could result in United being declared in default. United has agreements with certain of its derivative counterparties that contain a provision where if United fails to maintain its status as a well-capitalized institution or is subject to a prompt corrective action directive, the counterparty could terminate the derivative positions and United would be required to settle its obligations under the agreements. Derivatives that are centrally cleared do not have credit-risk-related features that would require additional collateral if United’s credit rating were downgraded.

Note 9 – Stock-Based Compensation

United has an equity compensation plan that allows for grants of incentive stock options, nonqualified stock options, restricted stock and restricted stock unit awards (also referred to as “nonvested stock” awards), stock awards, performance share awards or stock appreciation rights. Options granted under the plan have had an exercise price no less than the fair market value of the underlying stock at the date of grant. The general terms of the plan include a vesting period (usually four years, although certain acquisition-related performance grants may have up to ten years) with an exercisable period not to exceed ten years. Certain options, restricted stock and restricted stock unit awards provide for accelerated vesting if there is a change in control (as defined in the plan). Through March 31, 2019, incentive stock options, nonqualified stock options, restricted stock and restricted stock unit awards, base salary stock grants and performance share awards have been granted under the plan. As of March 31, 2019, 1.53 million additional awards remained available for grant under the plan.

28

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The following table shows stock option activity for the first three months of 2019.

Options	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2018	47,139		$	27.07
Exercised	(12,000	)	16.44
Cancelled/forfeited	(504	)	31.50
Expired	(1,023	)	29.45
Outstanding at March 31, 2019	33,612		30.72		0.4	$	13
Exercisable at March 31, 2019	33,612		30.72		0.4	13

The fair value of each option is estimated on the date of grant using the Black-Scholes model. No stock options were granted during the three months ended March 31, 2019 and 2018.

United recognized $6,000 in compensation expense related to stock options during the three months ended March 31, 2018, and no compensation expense related to stock options in the same period of 2019. The amount of compensation expense was determined based on the fair value of the options at the time of grant, multiplied by the number of options granted that were expected to vest, which was then amortized over the vesting period.

The table below presents restricted stock units activity for the first three months of 2019.

Restricted Stock Unit Awards	Shares		Weighted- Average Grant- Date Fair Value		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2018	759,746		$	27.66
Granted	37,994		25.67
Vested	(46,628	)	25.72			$	1,322
Cancelled	(14,284	)	25.30
Outstanding at March 31, 2019	736,828		27.72		4.2	18,369

Compensation expense for restricted stock units without market conditions is based on the market value of United’s common stock on the date of grant. United recognizes the impact of forfeitures as they occur. The value of restricted stock unit awards is amortized into expense over the service period. For the three months ended March 31, 2019 and 2018, compensation expense of $1.91 million and $1.07 million, respectively, was recognized related to restricted stock unit awards granted to United employees. In addition, for the three months ended March 31, 2019 and 2018, $72,000 and $68,000, respectively, was recognized in other operating expense for restricted stock unit awards granted to members of United’s board of directors.

A deferred income tax benefit related to expense for options and restricted stock of $507,000 and $296,000 was included in the determination of income tax expense for the three months ended March 31, 2019 and 2018, respectively. As of March 31, 2019, there was $15.7 million of unrecognized expense related to non-vested restricted stock unit awards granted under the plan. That cost is expected to be recognized over a weighted-average period of 2.4 years. As of March 31, 2019, there was no unrecognized expense related to non-vested stock options granted under the plan.

Note 10 – Common Stock

In November of 2018, United’s Board of Directors approved an increase and extension of the existing common stock repurchase plan through December 31, 2019. Under the program, up to $50 million may be repurchased periodically in open market transactions at prevailing market prices, in privately negotiated transactions, or by other means in accordance with federal securities laws. The actual timing, number and value of shares repurchased depends on a number of factors, including the market price of United’s common stock, general market and economic conditions, and applicable legal requirements. During the three months ended March 31, 2019, 305,052 shares were repurchased under the program. During the three months ended March 31, 2018, no shares were repurchased under the

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

program. As of March 31, 2019, United had remaining authorization to repurchase up to $42.2 million of outstanding common stock under the program.

Note 11 – Income Taxes

The income tax provision for the three months ended March 31, 2019 and March 31, 2018 was $13.0 million and $10.7 million, respectively, which represents an effective tax rate of 22.6% and 22.2%, respectively.

At March 31, 2019 and December 31, 2018, United maintained a valuation allowance on its net deferred tax asset of $3.37 million. Management assesses the valuation allowance recorded against its net deferred tax asset at each reporting period. The determination of whether a valuation allowance for its net deferred tax asset is appropriate is subject to considerable judgment and requires an evaluation of all the positive and negative evidence.

The valuation allowance could fluctuate in future periods based on the assessment of the positive and negative evidence. Management’s conclusion at March 31, 2019 that it was more likely than not that the net deferred tax asset of $51.1 million will be realized is based upon management’s estimate of future taxable income. Management’s estimate of future taxable income is based on internal forecasts that consider historical performance, various internal estimates and assumptions, as well as certain external data all of which management believes to be reasonable although inherently subject to significant judgment. If actual results differ significantly from the current estimates of future taxable income, even if caused by adverse macro-economic conditions, the valuation allowance may need to be increased for some or all of the net deferred tax asset.

United is subject to income taxation in the United States and various state jurisdictions. United’s federal and state income tax returns are filed on a consolidated basis. Currently, no years for which United filed a federal income tax return are under examination by the IRS, and there are no state tax examinations currently in progress. United is no longer subject to income tax examinations from state and local income tax authorities for years before 2015. Although it is not possible to know the ultimate outcome of future examinations, management believes that the liability recorded for uncertain tax positions is appropriate. At March 31, 2019 and December 31, 2018, unrecognized income tax benefits totaled $3.39 million and $3.26 million, respectively.

Note 12 – Assets and Liabilities Measured at Fair Value

Fair value measurements are determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, United uses a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). United has processes in place to review the significant valuation inputs and to reassess how the instruments are classified in the valuation framework.

Fair Value Hierarchy

Level 1 Valuation is based upon quoted prices (unadjusted) in active markets for identical assets or liabilities that United has the ability to access.

Level 2 Valuation is based upon quoted prices for similar assets and liabilities in active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals.

Level 3 Valuation is generated from model-based techniques that use at least one significant assumption based on unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity.

In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. The assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.

The following is a description of the valuation methodologies used for assets and liabilities recorded at fair value.

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Investment Securities

Debt securities available-for-sale and equity securities with readily determinable fair values are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds, corporate debt securities and asset-backed securities and are valued based on observable inputs that include: quoted market prices for similar assets, quoted market prices that are not in an active market, or other inputs that are observable in the market and can be corroborated by observable market data for substantially the full term of the securities. Securities classified as Level 3 include those traded in less liquid markets and are valued based on estimates obtained from broker-dealers that are not directly observable.

Deferred Compensation Plan Assets and Liabilities

Included in other assets in the consolidated balance sheet are assets related to employee deferred compensation plans. The assets associated with these plans are invested in mutual funds and classified as Level 1. Deferred compensation liabilities, also classified as Level 1, are carried at the fair value of the obligation to the employee, which mirrors the fair value of the invested assets and is included in other liabilities in the consolidated balance sheet.

Mortgage Loans Held for Sale

United has elected the fair value option for most of its newly originated mortgage loans held for sale in order to reduce certain timing differences and better match changes in fair values of the loans with changes in the value of derivative instruments used to economically hedge them. The fair value of mortgage loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan (Level 2).

Loans

United does not record loans at fair value on a recurring basis. However, from time to time, a loan is considered impaired and an allowance for credit losses is established. Loans for which it is probable that payment of interest and principal will not be made in accordance with the contractual terms of the loan agreement are considered impaired. Once a loan is identified as individually impaired, management measures impairment based on the present value of expected future cash flows discounted at the loan’s effective interest rate, except that as a practical expedient, a creditor may measure impairment based on a loan’s observable market price, or the fair value of the collateral if repayment of the loan is dependent upon the sale of the underlying collateral.

Those impaired loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. In accordance with ASC 820, Fair Value Measures and Disclosures, impaired loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value, United records the impaired loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value and there is no observable market price, United records the impaired loan as nonrecurring Level 3.

Derivative Financial Instruments

United uses interest rate swaps and interest rate floors to manage its interest rate risk. The valuation of these instruments is typically determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. The fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts and the discounted expected variable cash payments. The variable cash payments are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. United also uses best effort and mandatory delivery forward loan sale commitments to hedge risk in its mortgage lending business.

To comply with the provisions of ASC 820, United incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, United has considered the effect of netting and any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and guarantees.

Although management has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, management had assessed the significance of the effect of the credit valuation adjustments on the overall valuation of its derivative positions and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivatives. Derivatives classified as Level 3 included structured derivatives for which

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

broker quotes, used as a key valuation input, were not observable consistent with a Level 2 disclosure. The fair value of risk participations incorporates Level 3 inputs to evaluate the likelihood of customer default. The fair value of interest rate lock commitments, which is related to mortgage loan commitments, is categorized as Level 3 based on unobservable inputs for commitments that United does not expect to fund.

Servicing Rights for SBA/USDA Loans

United recognizes servicing rights upon the sale of SBA/USDA loans sold with servicing retained. Management has elected to carry this asset at fair value. Given the nature of the asset, the key valuation inputs are unobservable and management classifies this asset as Level 3.

Residential Mortgage Servicing Rights

United recognizes servicing rights upon the sale of residential mortgage loans sold with servicing retained. Management has elected to carry this asset at fair value. Given the nature of the asset, the key valuation inputs are unobservable and management classifies this asset as Level 3.

Pension Plan Assets

For information on the fair value of pension plan assets, see Note 17 in the Annual Report on Form 10-K for the year ended December 31, 2018.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis as of the dates indicated, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands).

March 31, 2019	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale:
U.S. Treasuries	$	141,855	$	—	$	—	$	141,855
U.S. Government agencies	—		5,101		—		5,101
State and political subdivisions	—		222,180		—		222,180
Residential mortgage-backed securities	—		1,414,085		—		1,414,085
Commercial mortgage-backed securities	—		343,339		—		343,339
Corporate bonds	—		199,681		995		200,676
Asset-backed securities	—		127,389		—		127,389
Equity securities with readily available fair values	910		—		—		910
Mortgage loans held for sale	—		26,341		—		26,341
Deferred compensation plan assets	7,129		—		—		7,129
Servicing rights for SBA/USDA loans	—		—		7,401		7,401
Residential mortgage servicing rights	—		—		11,447		11,447
Derivative financial instruments	—		16,363		9,561		25,924
Total assets	$	149,894	$	2,354,479	$	29,404	$	2,533,777
Liabilities:
Deferred compensation plan liability	$	7,129	$	—	$	—	$	7,129
Derivative financial instruments	—		7,345		11,444		18,789
Total liabilities	$	7,129	$	7,345	$	11,444	$	25,918

32

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

December 31, 2018	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale
U.S. Treasuries	$	149,307	$	—	$	—	$	149,307
U.S. Agencies	—		25,553		—		25,553
State and political subdivisions	—		233,941		—		233,941
Residential mortgage-backed securities	—		1,445,910		—		1,445,910
Commercial mortgage-backed securities	—		391,917		—		391,917
Corporate bonds	—		198,168		995		199,163
Asset-backed securities	—		182,676		—		182,676
Equity securities with readily available fair values	1,076		—		—		1,076
Mortgage loans held for sale	—		18,935		—		18,935
Deferred compensation plan assets	6,404		—		—		6,404
Servicing rights for SBA/USDA loans	—		—		7,510		7,510
Residential mortgage servicing rights	—		—		11,877		11,877
Derivative financial instruments	—		12,864		11,841		24,705
Total assets	$	156,787	$	2,509,964	$	32,223	$	2,698,974
Liabilities:
Deferred compensation plan liability	$	6,404	$	—	$	—	$	6,404
Derivative financial instruments	—		10,701		15,732		26,433
Total liabilities	$	6,404	$	10,701	$	15,732	$	32,837

The following table shows a reconciliation of the beginning and ending balances for the periods indicated for assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands).

	Derivative Asset			Derivative Liability			Servicing rights for SBA/USDA loans			Residential mortgage servicing rights			Debt Securities Available-for-Sale
Three Months Ended March 31, 2019
Balance at beginning of period	$	11,841		$	15,732		$	7,510		$	11,877		$	995
Additions	—			—			375			863			—
Sales and settlements	(1,135		)	(2,330		)	(363		)	(150		)	—
Amounts included in earnings - fair value adjustments	(1,145		)	(1,958		)	(121		)	(1,143		)	—
Balance at end of period	$	9,561		$	11,444		$	7,401		$	11,447		$	995
Three Months Ended March 31, 2018
Balance at beginning of period	$	12,207		$	16,744		$	7,740		$	8,262		$	900
Business combinations	—			—			(354		)	—			—
Additions	—			—			479			926			—
Sales and settlements	(1,029		)	(1,347		)	(91		)	(80		)	—
Amounts included in earnings - fair value adjustments	2,699			2,391			(304		)	610			—
Balance at end of period	$	13,877		$	17,788		$	7,470		$	9,718		$	900

33

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

The following table presents quantitative information about Level 3 fair value measurements for fair value on a recurring basis as of the dates indicated (in thousands). 

	Fair Value						Weighted Average
Level 3 Assets and Liabilities	March 31, 2019		December 31, 2018		Valuation Technique		March 31, 2019		December 31, 2018
						Unobservable Inputs
Servicing rights for SBA/USDA loans	$	7,401	$	7,510	Discounted cash flow	Discount rate	13.6	%	14.5	%
						Prepayment rate	12.5	%	12.1	%
Residential mortgage servicing rights	11,447		11,877		Discounted cash flow	Discount rate	10.0	%	10.0	%
						Prepayment rate	12.8	%	10.6	%
Corporate bonds	995		995		Indicative bid provided by a broker	Multiple factors, including but not limited to, current operations, financial condition, cash flows, and recently executed financing transactions related to the company	N/A		N/A
Derivative assets - mortgage	1,796		1,190		Internal model	Pull through rate	78.9	%	80.7	%
Derivative assets - other	7,765		10,651		Dealer priced	Dealer priced	N/A		N/A
Derivative liabilities - risk participations	6		8		Internal model	Probable exposure rate	0.37	%	0.44	%
						Probability of default rate	1.80	%	1.80	%
Derivative liabilities - other	11,438		15,724		Dealer priced	Dealer priced	N/A		N/A

Fair Value Option

At March 31, 2019, mortgage loans held for sale for which the fair value option was elected had an aggregate fair value and outstanding principal balance of $26.3 million and $25.3 million, respectively. At December 31, 2018, mortgage loans held for sale for which the fair value option was elected had an aggregate fair value and outstanding principal balance of $18.9 million and $18.2 million, respectively. Interest income on these loans is calculated based on the note rate of the loan and is recorded in interest revenue. During the three months ended March 31, 2019, changes in fair value of these loans resulted in net gains of $306,000. During the three months ended March 31, 2018, changes in fair value of these loans resulted in net losses of $72,000. Gains and losses resulting from the change in fair value of these loans are recorded in mortgage loan and other related fees. These changes in fair value were mostly offset by hedging activities. An immaterial portion of these amounts was attributable to changes in instrument-specific credit risk.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

United may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis. These adjustments to fair value usually result from the application of the lower of the amortized cost or fair value accounting or write-downs of individual assets due to impairment. The following table presents the fair value hierarchy and carrying value of all assets that were still held as of March 31, 2019 and December 31, 2018, for which a nonrecurring fair value adjustment was recorded during the year-to-date periods presented (in thousands).

	Level 1		Level 2		Level 3		Total
March 31, 2019
Loans	$	—	$	—	$	1,286	$	1,286
December 31, 2018
Loans	$	—	$	—	$	8,631	$	8,631

Loans that are reported above as being measured at fair value on a nonrecurring basis are generally impaired loans that have either been partially charged off or have specific reserves assigned to them. Nonaccrual impaired loans that are collateral dependent are generally written down to 80% of appraised value which considers the estimated costs to sell. Specific reserves are established for impaired loans based on appraised value of collateral or discounted cash flows, although only those specific reserves based on the fair value of collateral are considered nonrecurring fair value adjustments.

34

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

Assets and Liabilities Not Measured at Fair Value

For financial instruments that have quoted market prices, those quotes are used to determine fair value. Financial instruments that have no defined maturity, have a remaining maturity of 180 days or less, or reprice frequently to a market rate, are assumed to have a fair value that approximates reported book value, after taking into consideration any applicable credit risk. If no market quotes are available, financial instruments are valued by discounting the expected cash flows using an estimated current market interest rate for the financial instrument. For off-balance sheet derivative instruments, fair value is estimated as the amount that United would receive or pay to terminate the contracts at the reporting date, taking into account the current unrealized gains or losses on open contracts.

Cash and cash equivalents and repurchase agreements have short maturities and therefore the carrying value approximates fair value. Due to the short-term settlement of accrued interest receivable and payable, the carrying amount closely approximates fair value.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect the premium or discount on any particular financial instrument that could result from the sale of United’s entire holdings. All estimates are inherently subjective in nature. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial instruments include the mortgage banking operation, brokerage network, deferred income taxes, premises and equipment and goodwill. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

Off-balance sheet instruments (commitments to extend credit and standby letters of credit) for which draws can be reasonably predicted are generally short-term in maturity and are priced at variable rates. Therefore, the estimated fair value associated with these instruments is immaterial.

The carrying amount and fair values as of the dates indicated for other financial instruments that are not measured at fair value on a recurring basis are as follows (in thousands).

			Fair Value Level
	Carrying Amount		Level 1		Level 2		Level 3		Total
March 31, 2019
Assets:
Securities held to maturity	$	265,329	$	—	$	265,117	$	—	$	265,117
Loans and leases, net	8,431,612		—		—		8,401,018		8,401,018
Liabilities:
Deposits	10,534,306		—		10,527,436		—		10,527,436
Federal Home Loan Bank advances	40,000		—		39,998		—		39,998
Long-term debt	257,259		—		—		266,468		266,468
December 31, 2018
Assets:
Securities held to maturity	$	274,407	$	—	$	268,803	$	—	$	268,803
Loans and leases, net	8,322,198		—		—		8,277,387		8,277,387
Liabilities:
Deposits	10,534,513		—		10,528,834		—		10,528,834
Federal Home Loan Bank advances	160,000		—		159,988		—		159,988
Long-term debt	267,189		—		—		278,996		278,996

Note 13 – Commitments and Contingencies

United is party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and letters of credit. These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the balance sheet. The contract amounts of these instruments reflect

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

the extent of involvement United has in particular classes of financial instruments. The exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and letters of credit written is represented by the contractual amount of these instruments. United uses the same credit policies in making commitments and conditional obligations as it uses for underwriting on-balance sheet instruments. In most cases, collateral or other security is required to support financial instruments with credit risk.

The following table summarizes the contractual amount of off-balance sheet instruments as of the dates indicated (in thousands).

	March 31, 2019		December 31, 2018
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	2,053,155	$	2,129,463
Letters of credit	26,867		25,447

United’s wholly-owned bank subsidiary, United Community Bank (the “Bank”), holds minor investments in certain limited partnerships for Community Reinvestment Act purposes. As of March 31, 2019, the Bank had committed to fund an additional $7.93 million related to future capital calls that had not been reflected in the consolidated balance sheet.

United, in the normal course of business, is subject to various pending and threatened lawsuits in which claims for monetary damages are asserted.  Although it is not possible to predict the outcome of these lawsuits, or the range of any possible loss, management, after consultation with legal counsel, does not anticipate that the ultimate aggregate liability, if any, arising from these lawsuits will have a material adverse effect on United’s financial position or results of operations.

Note 14 - Operating Leases

United’s leases for which it is the lessee consist of operating leases for land, buildings, and equipment. Payments related to these leases consist primarily of base rent and, in the case of building leases, additional operating costs associated with the leased property such as common area maintenance and utilities. In most cases these operating costs vary over the term of the lease, and therefore are classified as variable lease costs, which are recognized as incurred in the consolidated statement of income. In addition, certain operating leases include costs such as property taxes and insurance, which are recognized as incurred in the consolidated statement of income. Many of United’s operating leases contain renewal options, most of which are excluded from the measurement of the right-of-use asset and lease liability as they are not reasonably certain to be exercised. United also subleases and leases certain real estate properties to third parties under operating leases. As of March 31, 2019, United had a right-of-use asset and lease liability of $22.7 million and $25.2 million, respectively, included in other assets and other liabilities, respectively, on the balance sheet.

The table below presents the operating lease income and expense recognized for the period indicated and other supplemental information (in thousands).

	Income Statement Location	Three Months Ended March 31, 2019
Operating lease cost	Occupancy expense	$	1,258
Variable lease cost	Occupancy expense	111
Short-term lease cost	Occupancy expense	19
Sublease income	Occupancy expense	(149		)
Net lease cost		$	1,239
Rental income from owned properties under operating leases	Other noninterest income	$	216
Operating cash flows from operating leases		$	1,348

As of March 31, 2019 the weighted average remaining lease term and weighted average discount rate of operating leases was 6.03 years and 2.80%, respectively. Absent a readily determinable interest rate in the lease agreement, the discount rate applied to each individual lease obligation was the Bank’s incremental borrowing rate for secured borrowings.

36

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

As of March 31, 2019 future minimum lease payments under operating leases were as follows (in thousands):

Year
Remainder of 2019	$	3,627
2020	5,253
2021	4,983
2022	4,553
2023	3,979
Thereafter	5,092
Total	27,487
Less discount	(2,287		)
Present value of lease liability	$	25,200

As discussed in Note 2, United adopted Topic 842 using the modified retrospective method with a cumulative effect adjustment to shareholders’ equity without restating comparable periods. As a result, disclosures for comparative periods under the predecessor standard, ASC 840, Leases, are required in the year of transition. As of December 31, 2018, rent commitments under operating leases were $5.35 million, $5.16 million, $4.91 million, $4.48 million, $3.91 million, for 2019 through 2023, respectively, and $5.04 million in the aggregate for years thereafter.

Note 15 - Subsequent Events

On May 1, 2019, United completed its previously announced acquisition of First Madison Bank & Trust (“First Madison”). First Madison operated four banking offices in Athens-Clarke County, Georgia and, as of March 31, 2019, had total assets of $244 million, loans of $199 million and deposits of $213 million. First Madison has merged into the Bank and will operate under the First Madison brand until system conversions are completed in the third quarter of 2019, at which time it will begin to operate under the United Community Bank brand.

Under the terms of the merger agreement, First Madison shareholders received $52.1 million in cash. The acquisition will be accounted for as a business combination, subject to the provisions of ASC 805-10-50, Business Combinations. Due to the timing of the acquisition, United is currently in the process of completing the purchase accounting and has not made all of the remaining disclosures required by ASC 805 Business Combinations, such as the fair value of assets acquired and supplemental pro forma information, which will be disclosed in subsequent filings.

37

Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

Forward-looking Statements

This Form 10-Q contains 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, (the “Exchange Act”), about United Community Banks, Inc. and its subsidiaries (collectively referred to herein as “United”). These forward-looking statements are intended to be covered by the safe harbor for forward-looking statements provided by the Private Securities Litigation Reform Act of 1995. Forward-looking statements are not statements of historical fact and generally can be identified by the use of forward-looking terminology such as “believes”, “expects”, “may”, “will”, “could”, “should”, “projects”, “plans”, “goal”, “targets”, “potential”, “estimates”, “pro forma”, “seeks”, “intends”, or “anticipates”, or the negative thereof or comparable terminology. Forward-looking statements include discussions of strategy, financial projections, guidance and estimates (including their underlying assumptions), statements regarding plans, objectives, expectations or consequences of various transactions or events, and statements about the future performance, operations, products and services of United. We caution our shareholders and other readers not to place undue reliance on such statements.

Forward-looking statements are subject to risks, uncertainties and assumptions that are difficult to predict with regard to timing, extent, likelihood and degree of occurrence, which could cause actual results to differ materially from anticipated results. Such risks, uncertainties and assumptions include, but are not limited to, the risk factors set forth in our Annual Report on Form 10-K for the year ended December 31, 2018 as well as the following factors:

• the condition of the general business and economic environment, banking system and financial markets;

• strategic, market, operational, liquidity and interest rate risks associated with our business;

• changes in the interest rate environment, including interest rate changes made by the Federal Reserve, as well as cash flow reassessments may reduce net interest margin and/or the volumes and values of loans made or held as well as the value of other financial assets;

• our lack of geographic diversification and the success of the local economies in which we operate;

• risks with respect to our ability to successfully expand and complete acquisitions and integrate businesses and operations that are acquired;

• our ability to attract and retain key employees;

• competition from financial institutions and other financial service providers including financial technology providers;

• losses due to fraudulent and negligent conduct of our customers, third party service providers or employees;

• cybersecurity risks that could adversely affect our business and financial performance or reputation;

• our reliance on third parties to provide key components of our business infrastructure and services required to operate our business;

• the risk that we may be required to make substantial expenditures to keep pace with regulatory initiatives and the rapid technological changes in the financial services market;

• legislative, regulatory or accounting changes that may adversely affect us;

• changes in the securities markets;

• changes in the allowance for loan losses resulting from the adoption and implementation of the new Current Expected Credit Loss (“CECL”) methodology;

• the costs and effects of litigation, examinations, investigations, or similar matters, or adverse facts and developments related thereto;

• possible regulatory or judicial proceedings, board resolutions, informal memorandums of understanding or formal enforcement actions imposed by regulators;

• the risk that our allowance for loan losses may not be sufficient to cover our actual loan losses; and

• limitations on the ability of United Community Bank (the “Bank”) to pay dividends to United Community Banks, Inc. (the “Holding Company”), which could affect Holding Company liquidity, including the ability to pay dividends to shareholders or take other capital actions.

Additional information with respect to factors that may cause actual results to differ materially from those contemplated by such forward-looking statements may also be included in other reports that United files with the Securities and Exchange Commission (the “SEC”). United cautions that the foregoing list of factors is not exclusive and not to place undue reliance on forward-looking statements. United does not intend to update any forward-looking statement, whether written or oral, relating to the matters discussed in this Form 10-Q. The financial statements and information contained herein have not been reviewed, or confirmed for accuracy or relevance, by the Federal Deposit Insurance Corporation (the “FDIC”) or any other regulator.

38

Overview

The following discussion is intended to provide insight into the results of operations and financial condition of United and should be read in conjunction with the consolidated financial statements and accompanying notes.

The Holding Company is a bank holding company incorporated in the state of Georgia in 1987, which began operations in 1988 by acquiring the capital stock of the Bank, a Georgia state-chartered bank that opened in 1950. United offers a wide array of commercial and consumer banking services and investment advisory services through a 149 branch network throughout Georgia, South Carolina, North Carolina and Tennessee.

At March 31, 2019, United had total consolidated assets of $12.5 billion, total loans of $8.49 billion, total deposits of $10.5 billion, and shareholders’ equity of $1.51 billion. United reported net income of $44.3 million, or $0.55 per diluted share, for the first quarter of 2019, compared to net income of $37.7 million, or $0.47 per diluted share, for the first quarter of 2018.

Net interest revenue increased to $116 million for the first quarter of 2019, compared to $103 million for the first quarter of 2018, due to higher loan volume and rising interest rates. The net interest margin increased to 4.10% for the three months ended March 31, 2019 from 3.80% for the same period in 2018 primarily due to the effect of rising interest rates on floating rate loans and the inclusion of higher yielding equipment financing loans acquired from NLFC Holdings Corp. and its subsidiaries, collectively known as “Navitas”, for the full first quarter of 2019.

The provision for credit losses was $3.30 million for the first quarter of 2019, compared to $3.80 million for the first quarter of 2018. Net charge-offs for the first quarter of 2019 were $3.13 million compared to $1.50 million for the same period in 2018. As of March 31, 2019, United’s allowance for loan losses was $61.6 million, or 0.73% of loans, compared to $61.2 million, or 0.73% of loans, at December 31, 2018, reflecting stable asset quality. At March 31, 2019 and December 31, 2018, nonperforming assets of $24.8 million and $25.1 million, respectively, were 0.20% of total assets.

Noninterest income of $21.0 million for the first quarter of 2019 was down$1.43 million, or 6%, from the first quarter of 2018. The decrease was primarily attributable to the decrease in mortgage fees resulting from a decline in the fair value of the mortgage servicing rights asset in the first quarter of 2019.

For the first quarter of 2019, noninterest expenses of $76.1 million increased $2.61 million from the same period of 2018. Decreases in professional fees, FDIC assessments and other regulatory charges, amortization of intangibles, and merger-related and other charges offset much of the impact of higher salaries and employee benefits, communications and equipment expenses and other noninterest expense. Nearly half of the increase in salaries and employee benefits and approximately half of the increase in other expense were in our equipment finance business which we owned for only two of the three months of first quarter 2018. The rest of the increase in salaries and employee benefits expense resulted from annual merit increases, an increase in our 401(k) matching contribution, higher group medical insurance costs and higher incentives.

Critical Accounting Policies

The accounting and reporting policies of United are in accordance with accounting principles generally accepted in the United States (“GAAP”) and conform to general practices within the banking industry. The more critical accounting and reporting policies include United’s accounting for the allowance for loan losses, fair value measurements, and income taxes, all of which involve the use of estimates and require significant judgments to be made by management. Different assumptions in the application of these policies could result in material changes in United’s consolidated financial position or consolidated results of operations. See “Asset Quality and Risk Elements” herein for additional discussion of United’s accounting methodologies related to the allowance for loan losses.

GAAP Reconciliation and Explanation

This Form 10-Q contains financial information determined by methods other than in accordance with GAAP. Such non-GAAP financial information includes the following measures: “tangible book value per common share,” “average tangible common equity to average assets,” and “tangible common equity to risk-weighted assets.” In addition, management presents non-GAAP operating performance measures, which exclude merger-related and other items that are not part of United’s ongoing business operations. Operating performance measures include “expenses – operating,” “net income – operating,” “diluted income per common share – operating,” “return on common equity – operating,” “return on tangible common equity – operating,” “return on assets – operating,” “dividend payout ratio – operating” and “efficiency ratio – operating.” Management has developed internal policies and procedures to accurately capture and account for merger-related and other charges and those charges are reviewed with the audit committee of United’s Board of Directors each quarter. Management uses these non-GAAP measures because it believes they may provide useful supplemental information for evaluating

39

United’s operations and performance over periods of time, as well as in managing and evaluating United’s business and in discussions about United’s operations and performance. Management believes these non-GAAP measures may also provide users of United’s financial information with a meaningful measure for assessing United’s financial results and credit trends, as well as a comparison to financial results for prior periods. These non-GAAP measures should be viewed in addition to, and not as an alternative to or substitute for, measures determined in accordance with GAAP and are not necessarily comparable to other similarly titled measures used by other companies. To the extent applicable, reconciliations of these non-GAAP measures to the most directly comparable measures as reported in accordance with GAAP are included in Table 1 of Management’s Discussion and Analysis.

Results of Operations

United reported net income and diluted earnings per common share of $44.3 million and $0.55, respectively, for the first quarter of 2019. This compared to net income and diluted earnings per common share of $37.7 million and $0.47, respectively, for the same period in 2018.

United reported operating net income of $44.8 million for the first quarter of 2019, compared to $39.7 million for the same period in 2018. For the first quarter of 2019, operating net income excludes merger-related and other charges, which net of tax, totaled $567,000. For the first quarter of 2018, operating net income excludes merger-related and branch closure charges of $2.02 million, net of tax.

40

UNITED COMMUNITY BANKS, INC.
Table 1 - Financial Highlights
Selected Financial Information
	2019			2018												First Quarter 2019 - 2018 Change
(in thousands, except per share data)	First Quarter			Fourth Quarter			Third Quarter			Second Quarter			First Quarter
INCOME SUMMARY
Interest revenue	$	136,516		$	133,854		$	128,721		$	122,215		$	115,290
Interest expense	20,882			18,975			16,611			13,739			12,005
Net interest revenue	115,634			114,879			112,110			108,476			103,285			12	%
Provision for credit losses	3,300			2,100			1,800			1,800			3,800			(13	)
Noninterest income	20,968			23,045			24,180			23,340			22,396			(6	)
Total revenue	133,302			135,824			134,490			130,016			121,881			9
Expenses	76,084			78,242			77,718			76,850			73,475			4
Income before income tax expense	57,218			57,582			56,772			53,166			48,406			18
Income tax expense	12,956			12,445			13,090			13,532			10,748			21
Net income	44,262			45,137			43,682			39,634			37,658			18
Merger-related and other charges	739			1,234			592			2,873			2,646
Income tax benefit of merger-related and other charges	(172		)	(604		)	(141		)	(121		)	(628		)
Net income - operating (1)	$	44,829		$	45,767		$	44,133		$	42,386		$	39,676		13
PERFORMANCE MEASURES
Per common share:
Diluted net income - GAAP	$	0.55		$	0.56		$	0.54		$	0.49		$	0.47		17
Diluted net income - operating (1)	0.56			0.57			0.55			0.53			0.50			12
Cash dividends declared	0.16			0.16			0.15			0.15			0.12			33
Book value	18.93			18.24			17.56			17.29			17.02			11
Tangible book value (3)	14.93			14.24			13.54			13.25			12.96			15
Key performance ratios:
Return on common equity - GAAP (2)(4)	11.85		%	12.08		%	11.96		%	11.20		%	11.11		%
Return on common equity - operating (1)(2)(4)	12.00			12.25			12.09			11.97			11.71
Return on tangible common equity - operating (1)(2)(3)(4)	15.46			15.88			15.81			15.79			15.26
Return on assets - GAAP (4)	1.44			1.43			1.41			1.30			1.26
Return on assets - operating (1)(4)	1.45			1.45			1.42			1.39			1.33
Dividend payout ratio - GAAP	29.09			28.57			27.78			30.61			25.53
Dividend payout ratio - operating (1)	28.57			28.07			27.27			28.30			24.00
Net interest margin (fully taxable equivalent) (4)	4.10			3.97			3.95			3.90			3.80
Efficiency ratio - GAAP	55.32			56.73			56.82			57.94			57.83
Efficiency ratio - operating (1)	54.78			55.83			56.39			55.77			55.75
Average equity to average assets	11.82			11.35			11.33			11.21			11.03
Average tangible common equity to average assets (3)	9.53			9.04			8.97			8.83			8.82
Tangible common equity to risk-weighted assets (3)	12.48			12.00			11.61			11.36			11.19
ASSET QUALITY
Nonperforming loans	$	23,624		$	23,778		$	22,530		$	21,817		$	26,240		(10	)
Foreclosed properties	1,127			1,305			1,336			2,597			2,714			(58	)
Total nonperforming assets ("NPAs")	24,751			25,083			23,866			24,414			28,954			(15	)
Allowance for loan losses	61,642			61,203			60,940			61,071			61,085			1
Net charge-offs	3,130			1,787			1,466			1,359			1,501			109
Allowance for loan losses to loans	0.73		%	0.73		%	0.74		%	0.74		%	0.75		%
Net charge-offs to average loans (4)	0.15			0.09			0.07			0.07			0.08
NPAs to loans and foreclosed properties	0.29			0.30			0.29			0.30			0.35
NPAs to total assets	0.20			0.20			0.19			0.20			0.24
AVERAGE BALANCES ($ in millions)
Loans	$	8,430		$	8,306		$	8,200		$	8,177		$	7,993		5
Investment securities	2,883			3,004			2,916			2,802			2,870			—
Earning assets	11,498			11,534			11,320			11,193			11,076			4
Total assets	12,509			12,505			12,302			12,213			12,111			3
Deposits	10,361			10,306			9,950			9,978			9,759			6
Shareholders’ equity	1,478			1,420			1,394			1,370			1,336			11
Common shares - basic (thousands)	79,807			79,884			79,806			79,753			79,205			1
Common shares - diluted (thousands)	79,813			79,890			79,818			79,755			79,215			1
AT PERIOD END($ in millions)
Loans	$	8,493		$	8,383		$	8,226		$	8,220		$	8,184		4
Investment securities	2,720			2,903			2,873			2,834			2,731			—
Total assets	12,506			12,573			12,405			12,386			12,264			2
Deposits	10,534			10,535			10,229			9,966			9,993			5
Shareholders’ equity	1,508			1,458			1,402			1,379			1,357			11
Common shares outstanding (thousands)	79,035			79,234			79,202			79,138			79,123			—

⁽¹⁾ Excludes merger-related and other charges which includes amortization of certain executive change of control benefits. ⁽²⁾ Net income less preferred stock dividends, divided by average realized common equity, which excludes accumulated other comprehensive income (loss). ⁽³⁾ Excludes effect of acquisition related intangibles and associated amortization. ⁽⁴⁾ Annualized.

41

UNITED COMMUNITY BANKS, INC.
Table 1 (Continued) - Non-GAAP Performance Measures Reconciliation
Selected Financial Information
	2019			2018
	First Quarter			Fourth Quarter			Third Quarter			Second Quarter			First Quarter
(in thousands, except per share data)
Expense reconciliation
Expenses (GAAP)	$	76,084		$	78,242		$	77,718		$	76,850		$	73,475
Merger-related and other charges	(739		)	(1,234		)	(592		)	(2,873		)	(2,646		)
Expenses - operating	$	75,345		$	77,008		$	77,126		$	73,977		$	70,829
Net income reconciliation
Net income (GAAP)	$	44,262		$	45,137		$	43,682		$	39,634		$	37,658
Merger-related and other charges	739			1,234			592			2,873			2,646
Income tax benefit of merger-related and other charges	(172		)	(604		)	(141		)	(121		)	(628		)
Net income - operating	$	44,829		$	45,767		$	44,133		$	42,386		$	39,676
Diluted income per common share reconciliation
Diluted income per common share (GAAP)	$	0.55		$	0.56		$	0.54		$	0.49		$	0.47
Merger-related and other charges	0.01			0.01			0.01			0.04			0.03
Diluted income per common share - operating	$	0.56		$	0.57		$	0.55		$	0.53		$	0.50
Book value per common share reconciliation
Book value per common share (GAAP)	$	18.93		$	18.24		$	17.56		$	17.29		$	17.02
Effect of goodwill and other intangibles	(4.00		)	(4.00		)	(4.02		)	(4.04		)	(4.06		)
Tangible book value per common share	$	14.93		$	14.24		$	13.54		$	13.25		$	12.96
Return on tangible common equity reconciliation
Return on common equity (GAAP)	11.85		%	12.08		%	11.96		%	11.20		%	11.11		%
Merger-related and other charges	0.15			0.17			0.13			0.77			0.60
Return on common equity - operating	12.00			12.25			12.09			11.97			11.71
Effect of goodwill and other intangibles	3.46			3.63			3.72			3.82			3.55
Return on tangible common equity - operating	15.46		%	15.88		%	15.81		%	15.79		%	15.26		%
Return on assets reconciliation
Return on assets (GAAP)	1.44		%	1.43		%	1.41		%	1.30		%	1.26		%
Merger-related and other charges	0.01			0.02			0.01			0.09			0.07
Return on assets - operating	1.45		%	1.45		%	1.42		%	1.39		%	1.33		%
Dividend payout ratio reconciliation
Dividend payout ratio (GAAP)	29.09		%	28.57		%	27.78		%	30.61		%	25.53		%
Merger-related and other charges	(0.52		)	(0.50		)	(0.51		)	(2.31		)	(1.53		)
Dividend payout ratio - operating	28.57		%	28.07		%	27.27		%	28.30		%	24.00		%
Efficiency ratio reconciliation
Efficiency ratio (GAAP)	55.32		%	56.73		%	56.82		%	57.94		%	57.83		%
Merger-related and other charges	(0.54		)	(0.90		)	(0.43		)	(2.17		)	(2.08		)
Efficiency ratio - operating	54.78		%	55.83		%	56.39		%	55.77		%	55.75		%
Average equity to assets reconciliation
Equity to average assets (GAAP)	11.82		%	11.35		%	11.33		%	11.21		%	11.03		%
Effect of goodwill and other intangibles	(2.29		)	(2.31		)	(2.36		)	(2.38		)	(2.21		)
Average tangible common equity to average assets	9.53		%	9.04		%	8.97		%	8.83		%	8.82		%
Tangible common equity to risk-weighted assets reconciliation
Tier 1 capital ratio (Regulatory)	12.69		%	12.42		%	12.25		%	11.94		%	11.61		%
Effect of other comprehensive income	(0.17		)	(0.44		)	(0.68		)	(0.57		)	(0.50		)
Effect of deferred tax limitation	0.22			0.28			0.30			0.33			0.42
Effect of trust preferred	(0.26		)	(0.26		)	(0.26		)	(0.34		)	(0.34		)
Tangible common equity to risk-weighted assets	12.48		%	12.00		%	11.61		%	11.36		%	11.19		%

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Net Interest Revenue

Net interest revenue, which is the difference between the interest earned on assets and the interest paid on deposits and borrowed funds, is the single largest component of total revenue. Management seeks to optimize this revenue while balancing interest rate, credit and liquidity risks.

The banking industry uses two ratios to measure the relative profitability of net interest revenue. The net interest spread measures the difference between the average yield on interest-earning assets and the average rate paid on interest-bearing liabilities. The interest rate spread eliminates the effect of noninterest-bearing deposits and gives a direct perspective on the effect of market interest rate movements. The net interest margin is an indication of the profitability of a company’s balance sheet, and is defined as net interest revenue as a percent of average total interest-earning assets, which includes the positive effect of funding a portion of interest-earning assets with noninterest-bearing deposits and stockholders’ equity.

Net interest revenue for the first quarter of 2019 and 2018 was $116 million and $103 million, respectively. Taxable equivalent net interest revenue for the first quarter of 2019 was $116 million, representing an increase of $12.6 million from the same period in 2018. The net interest spread and net interest margin for the first quarter of 2019 of 3.73% and 4.10%, respectively, increased 15 basis points and 30 basis points, respectively, from the first quarter of 2018.

The following tables show the relationship between interest revenue and expense, and the average amounts of assets and liabilities for the periods indicated. As shown in the tables, both average interest-earning assets and interest-bearing liabilities for the three months ended March 31, 2019 increased compared to the same period of 2018. The increase in average interest-earning assets was primarily related to the increase in average loans of $437 million, or 5%, from the first quarter of 2018, and reflected both organic growth and the full-quarter effect of equipment financing loans acquired from Navitas. The increase in average assets was funded primarily through an increase in average customer deposits compared to first quarter 2018 of $373 million, of which $99.0 million was noninterest-bearing.

The increase in the net interest margin and net interest spread was primarily attributable to the increase in yield on average loans, which increased66 basis points from the first quarter of 2018. Nationally, the federal funds rate increased 75 basis points since March 31, 2018, and United’s loan yield reflected these rising interest rates, as well as higher yielding loans from Navitas. The increase in the average rate on interest-earning assets more than offset the increase in the average rate paid on interest-bearing liabilities of 45 basis points, which reflected a higher average rate on interest-bearing deposits as United increased deposit rates to retain and capture more deposit market share. Rates paid on core deposits lagged behind general increases in market rates. The increase in noninterest-bearing deposits also contributed to the improvement in the net interest margin for the three months ended March 31, 2019.

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Table 2 - Average Consolidated Balance Sheets and Net Interest Analysis

For the Three Months Ended March 31,

	2019							2018
(dollars in thousands, fully taxable equivalent (FTE))	Average Balance			Interest		Average Rate		Average Balance			Interest		Average Rate
Assets:
Interest-earning assets:
Loans, net of unearned income (FTE) (1)(2)	$	8,429,976		$	115,347	5.55	%	$	7,993,339		$	96,389	4.89	%
Taxable securities (3)	2,712,995			19,649		2.90		2,722,977			17,323		2.54
Tax-exempt securities (FTE) (1)(3)	169,702			1,570		3.70		146,531			1,309		3.57
Federal funds sold and other interest-earning assets	185,623			618		1.33		213,055			698		1.31
Total interest-earning assets (FTE)	11,498,296			137,184		4.83		11,075,902			115,719		4.23
Noninterest-earning assets:
Allowance for loan losses	(61,784		)					(59,144		)
Cash and due from banks	123,801							160,486
Premises and equipment	216,611							216,723
Other assets (3)	731,628							717,385
Total assets	$	12,508,552						$	12,111,352
Liabilities and Shareholders' Equity:
Interest-bearing liabilities:
Interest-bearing deposits:
NOW and interest-bearing demand	$	2,208,816		3,536		0.65		$	2,083,703		1,113		0.22
Money market	2,175,855			4,205		0.78		2,230,620			2,175		0.40
Savings	672,197			32		0.02		655,746			49		0.03
Time	1,627,584			5,336		1.33		1,535,216			2,241		0.59
Brokered time deposits	482,048			2,848		2.40		158,358			715		1.83
Total interest-bearing deposits	7,166,500			15,957		0.90		6,663,643			6,293		0.38
Federal funds purchased and other borrowings	21,549			161		3.03		78,732			300		1.55
Federal Home Loan Bank advances	223,945			1,422		2.58		511,727			2,124		1.68
Long-term debt	261,971			3,342		5.17		274,480			3,288		4.86
Total borrowed funds	507,465			4,925		3.94		864,939			5,712		2.68
Total interest-bearing liabilities	7,673,965			20,882		1.10		7,528,582			12,005		0.65
Noninterest-bearing liabilities:
Noninterest-bearing deposits	3,194,401							3,095,405
Other liabilities	162,213							150,955
Total liabilities	11,030,579							10,774,942
Shareholders' equity	1,477,973							1,336,410
Total liabilities and shareholders' equity	$	12,508,552						$	12,111,352
Net interest revenue (FTE)				$	116,302						$	103,714
Net interest-rate spread (FTE)						3.73	%						3.58	%
Net interest margin (FTE) (4)						4.10	%						3.80	%

⁽¹⁾  Interest revenue on tax-exempt securities and loans has been increased to reflect comparable interest on taxable securities and loans. The rate used was 26% in 2019 and 2018, reflecting the statutory federal income tax rate and the federal tax adjusted state income tax rate.

⁽²⁾  Included in the average balance of loans outstanding are loans where the accrual of interest has been discontinued and loans that are held for sale.

⁽³⁾  Securities available for sale are shown at amortized cost. Pretax unrealized losses of $25.9 million in 2019 and $28.3 million in 2018 are included in other assets for purposes of this presentation.

⁽⁴⁾  Net interest margin is taxable equivalent net interest revenue divided by average interest-earning assets.

44

The following table shows the relative effect on net interest revenue for changes in the average outstanding amounts (volume) of interest-earning assets and interest-bearing liabilities and the rates earned and paid on such assets and liabilities (rate). Variances resulting from a combination of changes in rate and volume are allocated in proportion to the absolute dollar amounts of the change in each category.

Table 3 - Change in Interest Revenue and Expense on a Taxable Equivalent Basis

(in thousands)

	Three Months Ended March 31, 2019
	Compared to 2018 Increase (Decrease) Due to Changes in
	Volume			Rate			Total
Interest-earning assets:
Loans (FTE)	$	5,470		$	13,488		$	18,958
Taxable securities	(64		)	2,390			2,326
Tax-exempt securities (FTE)	213			48			261
Federal funds sold and other interest-earning assets	(91		)	11			(80		)
Total interest-earning assets (FTE)	5,528			15,937			21,465
Interest-bearing liabilities:
NOW and interest-bearing demand accounts	71			2,352			2,423
Money market accounts	(55		)	2,085			2,030
Savings deposits	1			(18		)	(17		)
Time deposits	143			2,952			3,095
Brokered deposits	1,853			280			2,133
Total interest-bearing deposits	2,013			7,651			9,664
Federal funds purchased & other borrowings	(308		)	169			(139		)
Federal Home Loan Bank advances	(1,520		)	818			(702		)
Long-term debt	(154		)	208			54
Total borrowed funds	(1,982		)	1,195			(787		)
Total interest-bearing liabilities	31			8,846			8,877
Increase in net interest revenue (FTE)	$	5,497		$	7,091		$	12,588

Provision for Credit Losses

The provision for credit losses is based on management’s evaluation of probable incurred losses in the loan portfolio and unfunded loan commitments and corresponding analysis of the allowance for credit losses at quarter-end. Provision for credit losses was $3.30 million for the three months ended March 31, 2019, compared to $3.80 million for the same period in 2018. For the three months ended March 31, 2019, net loan charge-offs as an annualized percentage of average outstanding loans were 0.15% compared to 0.08% for the same period in 2018. The amount of provision recorded in each period was the amount required such that the total allowance for loan losses reflected the appropriate balance, in the estimation of management, sufficient to cover incurred losses in the loan portfolio. In accordance with the accounting guidance for business combinations, there was no allowance for loan losses brought forward on loans acquired from Navitas on February 1, 2018. At March 31, 2018, United included the performing non-impaired loans acquired from Navitas in its general allowance calculation in order to reflect the necessary allowance for incurred losses, which increased provision expense by approximately $2.29 million for the first quarter of 2018. Provision expense for the first quarter of 2019 decreased $500,000 from the same period of last year, but remained relatively higher than historical periods as a result of loan growth and increased charge-offs. The increase in charge-offs was partly attributable to incorporating equipment financing loans into the loan portfolio for the full first quarter of 2019. Charge-offs from equipment financing loans totaled $1.42 million for the first quarter of 2019, which was in line with management’s expectations for this now-seasoned product line of higher yielding loans.

The allowance for unfunded commitments represents probable incurred losses on unfunded loan commitments that are expected to result in outstanding loan balances. The allowance for unfunded loan commitments was established through the provision for credit losses.

Additional discussion on credit quality and the allowance for loan losses is included in the “Asset Quality and Risk Elements” section of this report.

45

Noninterest income

The following table presents the components of noninterest income for the periods indicated.

Table 4 - Noninterest Income

(in thousands)

	Three Months Ended March 31,						Change
	2019			2018			Amount			Percent
Overdraft fees	$	3,455		$	3,652		$	(197	)	(5	)%
ATM and debit card fees	2,878			3,271			(393		)	(12	)
Other service charges and fees	2,120			2,002			118			6
Service charges and fees	8,453			8,925			(472		)	(5	)
Mortgage loan and related fees	3,748			5,359			(1,611		)	(30	)
Brokerage fees	1,337			872			465			53
Gains on sales of SBA/USDA loans	1,303			1,778			(475		)	(27	)
Customer derivatives	505			772			(267		)	(35	)
Securities losses, net	(267		)	(940		)	673
Other	5,889			5,630			259			5
Total noninterest income	$	20,968		$	22,396		$	(1,428	)	(6	)

Mortgage loan and related fees for the first quarter of 2019decreased$1.61 million, or 30%, from the first quarter of 2018. The decrease was primarily attributable to a decline in the fair value of the mortgage servicing asset in the first quarter of 2019, which was driven by a decrease in mortgage interest rates late in the quarter. Mortgage production in the first quarter of 2019 decreased slightly compared to the same period of 2018. United closed 763 mortgage loans totaling $180 million in the first quarter of 2019 compared with 799 mortgage loans totaling $191 million in the first quarter of 2018. United had $116 million in home purchase mortgage originations in the first quarter of 2019, which accounted for 65% of mortgage production volume, compared with $104 million, or 56%, of production volume for the same period a year ago.

Brokerage fees for the first quarter of 2019increased53% compared to the first quarter 2018. This increase was primarily attributable to lower brokerage fees during the first quarter of 2018 reflecting downtime associated with transitioning to a new third-party broker dealer.

United’s Small Business Administration and United States Department of Agriculture (“SBA/USDA”) lending strategy includes selling a portion of the loan production each quarter. The amount of loans sold depends on a number of variables including the current lending environment and balance sheet management activities. Beginning in the first quarter of 2019, United made a strategic decision to hold more of its government guaranteed loans in order to benefit from the stable yield on these lower-risk assets. In the first quarter of 2019 and 2018, United sold the guaranteed portion of loans in the amount of $17.1 million and $22.2 million, respectively, which resulted in gains of $1.30 million and $1.78 million, respectively.

Customer derivative fees relate primarily to interest rate swaps to commercial customers who desire fixed rate loans. United makes a floating rate loan to those customers and enters into an interest rate swap contract with the customer to swap the floating rate to a fixed rate. United then enters into an offsetting swap with a swap dealer with terms that mirror the customer swap. The fixed and variable legs of the customer and dealer swaps offset leaving United with the equivalent of a variable rate loan. During the first quarter of 2019, fees on customer derivatives decreased from the same period of last year reflecting the changing interest rate environment and customer preference.

Other noninterest income for the first quarter of 2019 included a full quarter of fee revenue from Navitas resulting in a $422,000 increase from the same period of 2018. In the first quarter of 2018 United recognized net securities losses of $940,000. The securities losses were part of a larger balance sheet management strategy that included the cancellation of $289 million notional in interest rate caps as well as the partial cancellation of other hedging instruments. The derivative cancellations resulted in gains of $1.16 million, which were included in other noninterest income. The securities losses and gains from derivative activities were mostly offsetting.

46

Noninterest Expenses

The following table presents the components of noninterest expenses for the periods indicated. 

Table 5 - Noninterest Expenses

(in thousands)

	Three Months Ended March 31,				Change
	2019		2018		Amount			Percent
Salaries and employee benefits	$	47,503	$	42,875	$	4,628		11	%
Communications and equipment	5,788		4,632		1,156			25
Occupancy	5,584		5,613		(29		)	(1	)
Advertising and public relations	1,286		1,515		(229		)	(15	)
Postage, printing and supplies	1,586		1,637		(51		)	(3	)
Professional fees	3,161		4,044		(883		)	(22	)
FDIC assessments and other regulatory charges	1,710		2,476		(766		)	(31	)
Amortization of core deposit intangibles	1,100		1,306		(206		)	(16	)
Other	7,627		6,731		896			13
Total excluding merger-related and other charges	75,345		70,829		4,516			6
Merger-related and other charges	546		2,054		(1,508		)
Amortization of noncompete agreements	193		592		(399		)
Total noninterest expenses	$	76,084	$	73,475	$	2,609		4

Noninterest expenses excluding merger-related and other charges for the first quarter of 2019 totaled $75.3 million, up 6% from the same period of 2018. Increases in salaries and benefits, communications and equipment, and other noninterest expense offset by lower professional fees and FDIC assessments and other regulatory charges accounted for much of the change in noninterest expense for the periods presented.

Salaries and employee benefits for the first quarter of 2019 were $47.5 million, up 11% from same period of 2018. The increase was primarily due to the inclusion of Navitas for the entire first quarter of 2019 and additional stock compensation expense from new restricted stock unit awards issued in the third quarter of 2018. The remainder of the increase resulted from an increase in the 401(k) matching contribution, higher group medical insurance costs and annual merit-based salary increases awarded in the second quarter of 2018. Full time equivalent headcount totaled 2,291 at March 31, 2019, up from 2,288 at March 31, 2018. Communications and equipment expense increased primarily due to to increases in software maintenance costs and additional software contracts. The increase in other noninterest expense was attributable to several factors including increased lending support costs resulting from loan growth, volume related increases in loan servicing costs, and increases related to usage and development of United’s internet banking tools.

Professional fees for the first quarter of 2019 of $3.16 milliondecreased22% from the same period of 2018. During the first quarter of 2018, professional fees were higher primarily due to recent acquisitions and increased legal fees associated with loan growth. FDIC assessments and other regulatory charges for the three months ended March 31, 2019decreased relative to the same period in 2018 primarily due to a reduction in United’s FDIC assessment rate.

Merger-related and other charges for the three months ended March 31, 2019decreased$1.51 million from the same period of 2018, due to reduced levels of merger-related activity during the period. Merger-related and other charges for the first quarter of 2018 of $2.05 million consisted primarily of severance, conversion costs, branch closure costs and legal and professional fees. Additionally, the reduction of amortization of noncompete agreements was a result of the expiration of certain of these agreements since the first quarter of 2018.

Income Taxes

The income tax provision for the three months ended March 31, 2019 was $13.0 million, which represents an effective tax rate of 22.6% for the period. The income tax provision for the three months ended March 31, 2018 was $10.7 million, which represents an effective tax rate of 22.2% for the period.

47

At March 31, 2019 and December 31, 2018, United maintained a valuation allowance on its net deferred tax asset of $3.37 million. Management assesses the valuation allowance recorded against its net deferred tax asset at each reporting period. The determination of whether a valuation allowance for its net deferred tax asset is appropriate is subject to considerable judgment and requires an evaluation of all the positive and negative evidence.

The valuation allowance could fluctuate in future periods based on the assessment of the positive and negative evidence. Management’s conclusion at March 31, 2019 that it was more likely than not that the net deferred tax asset of $51.1 million will be realized is based upon management’s estimate of future taxable income. Management’s estimate of future taxable income is based on internal forecasts that consider historical performance, various internal estimates and assumptions, as well as certain external data, all of which management believes to be reasonable although inherently subject to significant judgment. If actual results differ significantly from the current estimates of future taxable income, the valuation allowance may need to be increased for some or all of its net deferred tax asset.

United is subject to income taxation in the United States and various state jurisdictions. United’s federal and state income tax returns are filed on a consolidated basis. Currently, no years for which United filed a federal income tax return are under examination by the IRS, and there are no state tax examinations currently in progress.

Additional information regarding income taxes, including a reconciliation of the differences between the recorded income tax provision and the amount of income tax computed by applying the statutory federal income tax rate to income before income taxes, can be found in Note 16 to the consolidated financial statements filed with United’s Annual Report on Form 10-K for the year ended December 31, 2018.

Balance Sheet Review

Total assets at March 31, 2019 and December 31, 2018 were $12.5 billion and $12.6 billion, respectively. Average total assets for the first quarter of 2019 were $12.5 billion, up from $12.1 billion in the first quarter 2018.

48

The following table presents a summary of the loan portfolio.

Table 6 - Loans Outstanding

(in thousands)

	March 31, 2019			December 31, 2018
By Loan Type
Owner occupied commercial real estate	$	1,620,068		$	1,647,904
Income producing commercial real estate	1,867,425			1,812,420
Commercial & industrial	1,283,865			1,278,347
Commercial construction	865,666			796,158
Equipment financing	605,984			564,614
Total commercial	6,243,008			6,099,443
Residential mortgage	1,063,840			1,049,232
Home equity lines of credit	683,771			694,010
Residential construction	200,708			211,011
Consumer direct	121,174			122,013
Indirect auto	180,753			207,692
Total loans	$	8,493,254		$	8,383,401
As a percentage of total loans:
Owner occupied commercial real estate	19		%	20		%
Income producing commercial real estate	22			22
Commercial & industrial	15			15
Commercial construction	11			9
Equipment financing	7			7
Total commercial	74			73
Residential mortgage	13			13
Home equity lines of credit	8			8
Residential construction	2			3
Consumer direct	1			1
Indirect auto	2			2
Total	100		%	100		%
By Geographic Location
North Georgia	$	970,072		$	980,968
Atlanta MSA	1,523,406			1,506,990
North Carolina	1,074,024			1,071,790
Coastal Georgia	603,385			587,988
Gainesville MSA	242,984			246,715
East Tennessee	458,349			477,403
South Carolina	1,674,012			1,645,567
Commercial Banking Solutions	1,766,269			1,658,288
Indirect auto	180,753			207,692
Total loans	$	8,493,254		$	8,383,401

Substantially all of United’s loans are to customers located in the immediate market areas of its community banks in Georgia, South Carolina, North Carolina and Tennessee, including customers who have a seasonal residence in United’s market areas, or are generated by the Commercial Banking Solutions division that focuses on specific commercial loan businesses, such as equipment financing and SBA and franchise lending. Approximately 74% of United’s loans are secured by real estate. Total loans averaged $8.43 billion in the first quarter of 2019, compared with $7.99 billion in the first quarter of 2018, an increase of 5% due to organic growth and the inclusion of Navitas loans for the entire first quarter of 2019.

49

United’s home equity lines generally require the payment of interest only for a set period after origination. After this initial period, the outstanding balance begins amortizing and requires the payment of both principal and interest. At March 31, 2019 and December 31, 2018, the funded portion of home equity lines totaled $684 million and $694 million, respectively. Of the $684 million in balances outstanding at March 31, 2019, $405 million, or 59%, were secured by first liens. At March 31, 2019, 52% of the total available home equity lines were drawn upon.

United monitors the performance of its home equity loans and lines secured by second liens similar to other consumer loans and utilizes assumptions specific to these loans in determining the necessary allowance. United also receives notification when the first lien holder is in the process of foreclosure and upon that notification, management reviews current valuations to determine if any charge-offs are warranted and whether it is in United’s best interest to pay off the first lien creditor.

Asset Quality and Risk Elements

United manages asset quality and controls credit risk through review and oversight of the loan portfolio as well as adherence to policies designed to promote sound underwriting and loan monitoring practices. United’s credit administration function is responsible for monitoring asset quality and Board of Directors approved portfolio limits, establishing credit policies and procedures and enforcing the consistent application of these policies and procedures among all lending units. Additional information on the credit administration function is included in Item 1 under the heading Lending Activities in United’s Annual Report on Form 10-K for the year ended December 31, 2018.

United classifies commercial performing loans as “substandard” when there is a well-defined weakness or weaknesses that jeopardizes the repayment by the borrower and there is a distinct possibility that United could sustain some loss if the deficiency is not corrected. United classifies consumer performing loans as “substandard” when the loan is in bankruptcy.

The table below presents performing classified loans for the last five quarters.

Table 7 - Performing Classified Loans

(in thousands)

	March 31, 2019		December 31, 2018		September 30, 2018		June 30, 2018		March 31, 2018
By Category
Owner occupied commercial real estate	$	32,433	$	32,909	$	38,601	$	42,169	$	42,096
Income producing commercial real estate	19,277		18,048		24,170		26,120		24,984
Commercial & industrial	21,125		20,980		21,509		17,820		11,003
Commercial construction	8,019		9,549		8,012		10,102		8,422
Equipment financing	115		217		274		820		414
Total commercial	80,969		81,703		92,566		97,031		86,919
Residential mortgage	5,600		5,623		13,582		14,970		14,824
Home equity	1,610		1,665		4,818		5,117		5,491
Residential construction	249		293		1,397		1,567		1,506
Consumer direct	222		165		416		498		1,142
Indirect auto	1,555		1,334		1,704		1,291		1,498
Total	$	90,205	$	90,783	$	114,483	$	120,474	$	111,380
By Market
North Georgia	$	17,066	$	16,477	$	23,540	$	25,417	$	26,243
Atlanta MSA	10,334		10,863		13,410		13,640		12,145
North Carolina	10,019		11,556		18,315		24,886		27,186
Coastal Georgia	2,790		2,730		3,214		3,550		3,075
Gainesville MSA	508		519		950		966		662
East Tennessee	9,396		8,543		11,783		12,737		12,402
South Carolina	28,481		26,277		28,533		22,841		26,800
Commercial Banking Solutions	10,056		12,484		13,034		15,146		1,369
Indirect auto	1,555		1,334		1,704		1,291		1,498
Total loans	$	90,205	$	90,783	$	114,483	$	120,474	$	111,380

50

Reviews of classified performing and non-performing loans, past due loans and larger credits are conducted on a regular basis and are designed to identify risk migration and potential charges to the allowance for loan losses. These reviews are presented by the responsible lending officers or respective credit officer and specific action plans are discussed along with the financial strength of borrowers, the value of the applicable collateral, past loan loss experience, anticipated loan losses, changes in risk profile, the effect of prevailing economic conditions on the borrower and other factors specific to the borrower and its industry. In addition to the reviews mentioned above, United also has an internal loan review team which directly reviews the portfolio in conjunction with external loan review to ensure the objectivity of the loan review process.

The following table presents a summary of the changes in the allowance for credit losses for the periods indicated.

Table 8 - Allowance for Credit Losses

(in thousands)

	Three Months Ended March 31,
	2019			2018
Allowance for loan and lease losses at beginning of period	$	61,203		$	58,914
Charge-offs:
Owner occupied commercial real estate	5			60
Income producing commercial real estate	197			657
Commercial & industrial	1,519			384
Commercial construction	69			363
Equipment financing	1,424			139
Residential mortgage	61			70
Home equity lines of credit	337			124
Residential construction	4			—
Consumer direct	547			651
Indirect auto	197			436
Total loans charged-off	4,360			2,884
Recoveries:
Owner occupied commercial real estate	69			103
Income producing commercial real estate	20			235
Commercial & industrial	163			389
Commercial construction	394			97
Equipment financing	143			97
Residential mortgage	48			123
Home equity lines of credit	122			35
Residential construction	26			64
Consumer direct	207			160
Indirect auto	38			80
Total recoveries	1,230			1,383
Net charge-offs	3,130			1,501
Provision for loan and lease losses	3,569			3,672
Allowance for loan and lease losses at end of period	61,642			61,085
Allowance for unfunded commitments at beginning of period	3,410			2,312
Provision for losses on unfunded commitments	(269		)	128
Allowance for unfunded commitments at end of period	3,141			2,440
Allowance for credit losses	$	64,783		$	63,525
Total loans and leases:
At period-end	$	8,493,254		$	8,184,249
Average	8,429,976			7,993,339
Allowance for loan and lease losses as a percentage of period-end loans and leases	0.73		%	0.75		%
As a percentage of average loans (annualized):
Net charge-offs	0.15			0.08
Provision for loan and lease losses	0.17			0.19

51

The provision for credit losses charged to earnings is based upon management’s judgment of the amount necessary to maintain the allowance at a level appropriate to absorb probable incurred losses in the loan portfolio at the balance sheet date. The amount each quarter is dependent upon many factors, including growth and changes in the composition of the loan portfolio, net charge-offs, delinquencies, management’s assessment of loan portfolio quality, the value of collateral, and other macro-economic factors and trends. The evaluation of these factors is performed quarterly by management through an analysis of the appropriateness of the allowance for loan losses.

The allowance for credit losses, which includes a portion related to unfunded commitments, totaled $64.8 million at March 31, 2019, compared with $64.6 million at December 31, 2018. At March 31, 2019, the allowance for loan losses was $61.6 million, or 0.73% of loans, compared with $61.2 million, or 0.73% of total loans, at December 31, 2018.

Management believes that the allowance for credit losses at March 31, 2019 reflects the probable incurred losses in the loan portfolio and unfunded loan commitments. This assessment involves uncertainty and judgment and is subject to change in future periods. The amount of any changes could be significant if management’s assessment of loan quality or collateral values change substantially with respect to one or more loan relationships or portfolios. In addition, bank regulatory authorities, as part of their periodic examination of the Bank, may require adjustments to the allowance for credit losses in future periods if, in their opinion, the results of their review warrant such adjustments.

Nonperforming Assets

The table below summarizes nonperforming assets (“NPAs”).

Table 9 - Nonperforming Assets

(in thousands)

	March 31, 2019			December 31, 2018
Nonaccrual loans	$	23,624		$	23,778
Foreclosed properties/other real estate owned ("OREO")	1,127			1,305
Total nonperforming assets	$	24,751		$	25,083
Nonaccrual loans as a percentage of total loans and leases	0.28		%	0.28		%
Nonperforming assets as a percentage of total loans and OREO	0.29			0.30
Nonperforming assets as a percentage of total assets	0.20			0.20

United’s policy is to place loans on nonaccrual status when, in the opinion of management, the principal and interest on a loan is not likely to be repaid in full or when the loan becomes 90 days past due. When a loan is classified on nonaccrual status, interest previously accrued but not collected is reversed against current interest revenue. Principal and interest payments received on a nonaccrual loan are generally applied to reduce the loan’s recorded investment.

Purchased credit impaired (“PCI”) loans are considered past due or delinquent when the contractual principal or interest due in accordance with the terms of the loan agreement remains unpaid after the due date of the scheduled payment. However, these loans are considered as performing, even though they may be contractually past due, as any non-payment of contractual principal or interest is considered in the periodic re-estimation of expected cash flows and is included in the resulting recognition of current period 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.

52

The following table summarizes nonperforming assets by category and market as of the dates indicated.

Table 10 - Nonperforming Assets by Category and Market

(in thousands)

	March 31, 2019						December 31, 2018
	Nonaccrual Loans		Foreclosed Properties		Total NPAs		Nonaccrual Loans		Foreclosed Properties		Total NPAs
BY CATEGORY
Owner occupied commercial real estate	$	7,030	$	145	$	7,175	$	6,421	$	170	$	6,591
Income producing commercial real estate	1,276		—		1,276		1,160		—		1,160
Commercial & industrial	1,666		—		1,666		1,417		—		1,417
Commercial construction	473		421		894		605		421		1,026
Equipment financing	1,813		—		1,813		2,677		—		2,677
Total commercial	12,258		566		12,824		12,280		591		12,871
Residential mortgage	8,281		336		8,617		8,035		654		8,689
Home equity lines of credit	2,233		185		2,418		2,360		60		2,420
Residential construction	347		40		387		288		—		288
Consumer direct	47		—		47		89		—		89
Indirect auto	458		—		458		726		—		726
Total NPAs	$	23,624	$	1,127	$	24,751	$	23,778	$	1,305	$	25,083
BY MARKET
North Georgia	$	5,848	$	430	$	6,278	$	6,527	$	286	$	6,813
Atlanta MSA	1,951		—		1,951		1,578		—		1,578
North Carolina	3,464		484		3,948		3,259		743		4,002
Coastal Georgia	1,881		—		1,881		1,491		—		1,491
Gainesville MSA	187		—		187		479		—		479
East Tennessee	1,555		—		1,555		1,147		—		1,147
South Carolina	4,476		213		4,689		4,123		276		4,399
Commercial Banking Solutions	3,804		—		3,804		4,448		—		4,448
Indirect auto	458		—		458		726		—		726
Total NPAs	$	23,624	$	1,127	$	24,751	$	23,778	$	1,305	$	25,083

At March 31, 2019 and December 31, 2018, United had $50.3 million and $52.4 million, respectively, in loans with terms that have been modified in troubled debt restructurings (“TDRs”). Included therein were $6.68 million and $7.09 million, respectively, of TDRs that were classified as nonaccrual and were included in nonperforming loans. The remaining TDRs with an aggregate balance of $43.7 million and $45.3 million, respectively, were performing according to their modified terms and are therefore not considered to be nonperforming assets.

At March 31, 2019 and December 31, 2018, there were $53.8 million and $55.4 million, respectively, of loans classified as impaired under the definition outlined in the Accounting Standards Codification, including TDRs which are by definition considered impaired. Included in impaired loans at March 31, 2019 and December 31, 2018 was $21.7 million and $23.5 million, respectively, that did not require specific reserves or had previously been charged down to net realizable value. The remaining balance of impaired loans at March 31, 2019 and December 31, 2018 of $32.1 million and $32.0 million, respectively, had specific reserves that totaled $2.22 million and $2.31 million, respectively. The average recorded investment in impaired loans for the first quarters of 2019 and 2018 was $54.3 million and $66.2 million, respectively. For the three months ended March 31, 2019, United recognized $745,000 in interest revenue on impaired loans compared to $746,000 for the same period of the prior year.

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The table below summarizes activity in nonperforming assets for the periods indicated.

Table 11 - Activity in Nonperforming Assets

(in thousands)

	First Quarter 2019									First Quarter 2018
	Nonaccrual Loans			Foreclosed Properties			Total NPAs			Nonaccrual Loans			Foreclosed Properties			Total NPAs
Beginning Balance	$	23,778		$	1,305		$	25,083		$	23,658		$	3,234		$	26,892
Acquisitions	—			—			—			428			—			428
Loans placed on nonaccrual	6,759			—			6,759			7,463			—			7,463
Payments received	(3,520		)	—			(3,520		)	(3,534		)	—			(3,534		)
Loan charge-offs	(2,714		)	—			(2,714		)	(1,150		)	—			(1,150		)
Foreclosures	(679		)	751			72			(625		)	625			—
Property sales	—			(974		)	(974		)	—			(957		)	(957		)
Write downs	—			(15		)	(15		)	—			(72		)	(72		)
Net gains (losses) on sales	—			60			60			—			(116		)	(116		)
Ending Balance	$	23,624		$	1,127		$	24,751		$	26,240		$	2,714		$	28,954

Foreclosed property is initially recorded at fair value, less estimated costs to sell. If the fair value, less estimated costs to sell, at the time of foreclosure is less than the loan balance, the deficiency is charged against the allowance for loan losses. If the lesser of fair value, less estimated costs to sell, or the listed selling price, less the costs to sell, of the foreclosed property decreases during the holding period, a valuation allowance is established with a charge to foreclosed property expense. When the foreclosed property is sold, a gain or loss is recognized on the sale for the difference between the sales proceeds and the carrying amount of the property.

Investment Securities

The composition of the investment securities portfolio reflects United’s investment strategy of maintaining an appropriate level of liquidity while providing a relatively stable source of revenue. The investment securities portfolio also provides a balance to interest rate risk and credit risk in other categories of the balance sheet while providing a vehicle for the investment of available funds, furnishing liquidity, and supplying securities to pledge as required collateral for certain deposits and borrowings, including repurchase agreements.

At March 31, 2019 and December 31, 2018, United had debt securities held-to-maturity with a carrying amount of $265 million and $274 million, respectively, and debt securities available-for-sale totaling $2.45 billion and $2.63 billion, respectively. At March 31, 2019 and December 31, 2018, the securities portfolio represented approximately 22% and 23%, respectively, of total assets. During the first quarter of 2019, management intentionally reduced securities and wholesale borrowings as part of a balance sheet deleveraging strategy.

The investment securities portfolio primarily consists of Treasury securities, U.S. government agency securities, U.S. government sponsored agency mortgage-backed securities, non-agency mortgage-backed securities, corporate securities, municipal securities and asset-backed securities. Mortgage-backed securities rely on the underlying pools of mortgage loans to provide a cash flow of principal and interest. The actual maturities of these securities will usually differ from contractual maturities because loans underlying the securities can prepay. Decreases in interest rates will generally cause an acceleration of prepayment levels. In a declining or prolonged low interest rate environment, United may not be able to reinvest the proceeds from these prepayments in assets that have comparable yields. In a rising rate environment, the opposite occurs - prepayments tend to slow and the weighted average life extends. This is referred to as extension risk which can lead to lower levels of liquidity due to the delay of cash receipts and can result in the holding of a below market yielding asset for a longer period of time. United’s asset-backed securities include collateralized loan obligations and securities backed by student loans.

Management evaluates its securities portfolio each quarter to determine if any security is considered to be other than temporarily impaired. In making this evaluation, management considers its ability and intent to hold securities to recover current market losses. Losses on United’s fixed income securities at March 31, 2019 primarily reflect the effect of changes in interest rates. United did not recognize any other than temporary impairment losses on its investment securities during the three months ended March 31, 2019 or 2018.

At March 31, 2019 and December 31, 2018, 10% and 12%, respectively, of the securities portfolio was invested in floating-rate securities.

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Goodwill and Other Intangibles

Goodwill represents the premium paid for acquired companies above the fair value of the assets acquired and liabilities assumed, including separately identifiable intangible assets.

Core deposit intangibles, representing the value of acquired deposit relationships, and noncompete agreements are amortizing intangible assets that are required to be tested for impairment only when events or circumstances indicate that impairment may exist. There were no events or circumstances that led management to believe that any impairment exists in goodwill or other intangible assets.

Deposits

Total customer deposits, excluding brokered deposits, as of March 31, 2019 were $9.98 billion, compared to $9.85 billion at December 31, 2018. Total core transaction deposits (demand, NOW, money market and savings deposits, excluding public funds deposits) of $7.09 billion at March 31, 2019 increased $135 million since December 31, 2018. Total customer time deposits increased $70.2 million. United’s high level of service, as evidenced by its strong customer satisfaction scores, has been instrumental in attracting and retaining customer deposit accounts.

Borrowing Activities

The Bank is a shareholder in the Federal Home Loan Bank of Atlanta (“FHLB”). Through this affiliation, FHLB secured advances totaled $40 million and $160 million, respectively, as of March 31, 2019 and December 31, 2018. United anticipates continued use of this short and long-term source of funds, although the decrease in the first quarter of 2019 was attributable to management’s strategy to deleverage the balance sheet by reducing securities and wholesale borrowings. At March 31, 2019 and December 31, 2018, United also had long-term debt outstanding of $257 million and $267 million, respectively, which includes senior debentures, subordinated debentures, trust preferred securities, and securitized notes payable. Additional information regarding FHLB advances and long-term debt is provided in Notes 12 and 13, respectively, to the consolidated financial statements included in United’s Annual Report on Form 10-K for the year ended December 31, 2018.

Contractual Obligations

There have not been any material changes to United’s contractual obligations since December 31, 2018.

Off-Balance Sheet Arrangements

United is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of customers. These financial instruments include commitments to extend credit, letters of credit and financial guarantees.

A commitment to extend credit is an agreement to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Letters of credit and financial guarantees are conditional commitments issued to guarantee a customer’s performance to a third party and have essentially the same credit risk as extending loan facilities to customers. Those commitments are primarily issued to local businesses.

The exposure to credit loss in the event of nonperformance by the other party to the commitments to extend credit, letters of credit and financial guarantees is represented by the contractual amount of these instruments. United uses the same credit underwriting procedures for making commitments, letters of credit and financial guarantees, as it uses for underwriting on-balance sheet instruments. Management evaluates each customer’s creditworthiness on a case-by-case basis and the amount of the collateral, if deemed necessary, is based on the credit evaluation. Collateral held varies, but may include unimproved and improved real estate, certificates of deposit, personal property or other acceptable collateral.

All of these instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the balance sheet. The total amount of these instruments does not necessarily represent future cash requirements because a significant portion of these instruments expire without being used. United is not involved in off-balance sheet contractual relationships, other than those disclosed in this report, that could result in liquidity needs or other commitments, or that could significantly affect earnings. See Note 20 to the consolidated financial statements included in United’s Annual Report on Form 10-K for the year ended December 31, 2018 for additional information on off-balance sheet arrangements.

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Interest Rate Sensitivity Management

The absolute level and volatility of interest rates can have a significant effect on profitability, primarily in United’s core community banking activities of extending loans and accepting deposits. The objective of interest rate risk management is to identify and manage the sensitivity of net interest revenue to changing interest rates, consistent with United’s overall financial goals. Based on economic conditions, asset quality and various other considerations, management establishes tolerance ranges for interest rate sensitivity and manages within these ranges. 

Net interest revenue and the fair value of financial instruments are influenced by changes in the level of interest rates. United limits its exposure to fluctuations in interest rates through policies established by its Asset/Liability Management Committee (“ALCO”) and approved by the Board of Directors. ALCO meets periodically and has responsibility for formulating and recommending asset/liability management policies to the Board of Directors, formulating and implementing strategies to improve balance sheet positioning and/or earnings, and reviewing United’s interest rate sensitivity. 

One of the tools management uses to estimate and manage the sensitivity of net interest revenue to changes in interest rates is an asset/liability simulation model. Resulting estimates are based upon a number of assumptions for each scenario, including loan and deposit re-pricing characteristics and the rate of prepayments. ALCO periodically reviews the assumptions for reasonableness based on historical data and future expectations; however, actual net interest revenue may differ from model results. The primary objective of the simulation model is to measure the potential change in net interest revenue over time using multiple interest rate scenarios. The base scenario assumes rates remain flat and is the scenario to which all others are compared to in order to measure the change in net interest revenue. Policy limits are based on immediate rate shock scenarios, as well as gradually rising and falling rate scenarios, which are all compared to the base scenario. Other scenarios analyzed may include delayed rate shocks, yield curve steepening or flattening, or other variations in rate movements. While the primary policy scenarios focus on a 12-month time frame, longer time horizons are also modeled. 

United’s policy is based on the 12-month impact on net interest revenue of interest rate shocks and ramps that increase from 100 to 400 basis points or decrease 100 to 200 basis points from the base scenario. In the shock scenarios, rates immediately change the full amount at the scenario onset. In the ramp scenarios, rates change by 25 basis points per month. United’s policy limits the projected change in net interest revenue over the first 12 months to a 5% decrease for each 100 basis point change in the increasing and decreasing rate ramp and shock scenarios. The following table presents United’s interest sensitivity position at the dates indicated. The change in simulation model results from December 31, 2018 to March 31, 2019 was primarily a result of a change in assumptions implemented in the first quarter of 2019, rather than a reflection of a significant change in balance sheet composition.

Table 12 - Interest Sensitivity

	Increase (Decrease) in Net Interest Revenue from Base Scenario at
	March 31, 2019				December 31, 2018
Change in Rates	Shock		Ramp		Shock		Ramp
100 basis point increase	1.91	%	1.29	%	(0.37	)%	(0.81	)%
100 basis point decrease	(3.45	)	(2.56	)	(2.89	)	(2.17	)

Interest rate sensitivity is a function of the re-pricing characteristics of the portfolio of assets and liabilities. These re-pricing characteristics are the time frames within which the interest-earning assets and interest-bearing liabilities are subject to change in interest rates either at replacement, re-pricing or maturity. Interest rate sensitivity management focuses on the maturity structure of assets and liabilities and their re-pricing characteristics during periods of changes in market interest rates. Effective interest rate sensitivity management seeks to ensure that both assets and liabilities respond to changes in interest rates on a net basis within an acceptable timeframe, thereby minimizing the potentially adverse effect of interest rate changes on net interest revenue.

United has discretion in the extent and timing of deposit re-pricing depending upon the competitive pressures in the markets in which it operates. Changes in the mix of earning assets or supporting liabilities can either increase or decrease the net interest margin without affecting interest rate sensitivity. The interest rate spread between an asset and its supporting liability can vary significantly even when the timing of re-pricing for both the asset and the liability remains the same, due to the two instruments re-pricing according to different indices. This is commonly referred to as basis risk.

Derivative financial instruments are used to manage interest rate sensitivity. These contracts generally consist of interest rate swaps under which United pays a variable rate (or fixed rate, as the case may be) and receives a fixed rate (or variable rate, as the case may be). In addition, investment securities and wholesale funding strategies are used to manage interest rate risk.

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Derivative financial instruments that are designated as accounting hedges are classified as either cash flow or fair value hedges. The change in fair value of cash flow hedges is recognized in other comprehensive income. Fair value hedges recognize in earnings both the effect of the change in the fair value of the derivative financial instrument and the offsetting effect of the change in fair value of the hedged asset or liability associated with the particular risk of that asset or liability being hedged. United has other derivative financial instruments that are not designated as accounting hedges but are used for interest rate risk management purposes and as effective economic hedges. Derivative financial instruments that are not accounted for as accounting hedges are marked to market through earnings.

From time to time, United will terminate hedging positions when conditions change and the position is no longer necessary to manage overall sensitivity to changes in interest rates. In those situations where the terminated contract was in an effective hedging relationship at the time of termination and the hedging relationship is expected to remain effective throughout the original term of the contract, the resulting gain or loss is amortized over the remaining life of the original contract. For swap contracts, the gain or loss is amortized over the remaining original contract term using the straight line method of amortization. United expects that $118,000 will be reclassified as an increase to interest expense from other comprehensive income over the next twelve months related to these terminated cash flow hedges.

United’s policy requires all non-customer facing derivative financial instruments be used only for asset/liability management through the hedging of specific transactions or positions, and not for trading or speculative purposes. Management believes that the risk associated with using derivative financial instruments to mitigate interest rate risk sensitivity is appropriately monitored and controlled and will not have any material adverse effect on financial condition or results of operations. In order to mitigate potential credit risk, from time to time United may require the counterparties to derivative contracts to pledge cash and/or securities as collateral to cover the net exposure.

Liquidity Management

Liquidity is defined as the ability to convert assets into cash or cash equivalents without significant loss and to raise additional funds by increasing liabilities. Liquidity management involves maintaining the ability to meet the daily cash flow requirements of customers, both depositors and borrowers. The primary objective is to ensure that sufficient funding is available, at a reasonable cost, to meet ongoing operational cash needs and to take advantage of revenue producing opportunities as they arise. While the desired level of liquidity will vary depending upon a variety of factors, it is the primary goal of United to maintain a sufficient level of liquidity in all expected economic environments. To assist in determining the adequacy of its liquidity, United performs a variety of liquidity stress tests. United maintains an unencumbered liquid asset reserve to help ensure its ability to meet its obligations under normal conditions for at least a 12-month period and under severely adverse liquidity conditions for a minimum of 30 days.

An important part of the Bank’s liquidity resides in the asset portion of the balance sheet, which provides liquidity primarily through loan interest and principal repayments and the maturities and sales of securities, as well as the ability to use these assets as collateral for borrowings on a secured basis.

The Bank’s main source of liquidity is customer interest-bearing and noninterest-bearing deposit accounts. Liquidity is also available from wholesale funding sources consisting primarily of Federal funds purchased, FHLB advances, brokered deposits and securities sold under agreements to repurchase. These sources of liquidity are generally short-term in nature and are used as necessary to fund asset growth and meet other short-term liquidity needs.

In addition, because the Holding Company is a separate entity and apart from the Bank, it must provide for its own liquidity. United’s holding company is responsible for the payment of dividends declared for its common shareholders, and interest and principal on any outstanding debt or trust preferred securities. The Holding Company currently has internal capital resources to meet these obligations. While the Holding Company has access to the capital markets and maintains a line of credit as a contingent funding source, the ultimate source of its liquidity is subsidiary service fees and dividends from the Bank, which are limited by applicable law and regulations. Holding Company liquidity is managed to a minimum of 15-months of positive cash flow after considering all of its liquidity needs over this period.

At March 31, 2019, United had sufficient qualifying collateral to increase FHLB advances by $1.20 billion and Federal Reserve discount window borrowing capacity of $1.56 billion, as well as unpledged investment securities of $1.88 billion that could be used as collateral for additional borrowings. In addition to these wholesale sources, United has the ability to attract retail deposits by competing more aggressively on pricing.

As disclosed in the consolidated statement of cash flows, net cash provided by operating activities was $35.9 million for the three months ended March 31, 2019. Net income of $44.3 million for the three-month period included non-cash expenses for the following: deferred income tax expense of $658,000, depreciation, amortization and accretion of $6.37 million, provision expense of $3.30 million and stock-based compensation expense of $1.99 million. Uses of cash from operating activities included a decrease in accrued expenses and other

57

liabilities of $5.99 million, an increase in other assets and accrued interest receivable of $6.21 million, and an increase in loans held for sale of $7.41 million. Net cash provided by investing activities of $113 million consisted primarily of proceeds from sales and maturities and calls of debt securities available for sale and equity securities of $179 million and $60.8 million, respectively, and proceeds from maturities and calls of debt securities held to maturity of $9.05 million. These sources of cash were offset by a $90.4 million net increase in loans, $34.7 million in purchases of debt securities available for sale and equity securities, and $11.7 million in purchases of premises and equipment. Net cash used in financing activities of $150 million consisted primarily of a net decrease in FHLB advances of $120 million, cash dividends of $12.9 million and repayments of long-term debt of $10.1 million. In the opinion of management, United’s liquidity position at March 31, 2019, was sufficient to meet its expected cash flow requirements.

Capital Resources and Dividends

Shareholders’ equity at March 31, 2019 was $1.51 billion, an increase of $50.6 million from December 31, 2018 due to year-to-date earnings less dividends declared and an increase in the value of available-for-sale securities, partially offset by $7.84 million in share repurchases. Accumulated other comprehensive loss, which includes unrealized gains and losses on securities available-for-sale, the unrealized gains and losses on derivatives qualifying as cash flow hedges and unamortized prior service cost and actuarial gains and losses on United’s defined benefit pension plans, is excluded in the calculation of regulatory capital adequacy ratios.

The following table shows United’s capital ratios, as calculated under applicable regulatory guidelines, at March 31, 2019 and December 31, 2018. As of March 31, 2019, capital levels remained characterized as “well-capitalized” under the Basel III Capital Rules in effect at the time.

Table 13 – Capital Ratios

(dollars in thousands)

	Basel III Guidelines				United Community Banks, Inc. (Consolidated)						United Community Bank
	Minimum (1)		Well Capitalized		March 31, 2019			December 31, 2018			March 31, 2019			December 31, 2018
Risk-based ratios:
Common equity tier 1 capital	4.5	%	6.5	%	12.44		%	12.16		%	13.35		%	12.91		%
Tier 1 capital	6.0		8.0		12.69			12.42			13.35			12.91
Total capital	8.0		10.0		14.55			14.29			14.04			13.60
Leverage ratio	4.0		5.0		9.88			9.61			10.40			9.98
Common equity tier 1 capital					$	1,180,309		$	1,148,355		$	1,264,669		$	1,216,449
Tier 1 capital					1,204,559			1,172,605			1,264,669			1,216,449
Total capital					1,380,963			1,348,843			1,329,452			1,281,062
Risk-weighted assets					9,491,554			9,441,622			9,469,757			9,421,009
Average total assets					12,186,441			12,207,986			12,159,520			12,183,341

⁽¹⁾ As of March 31, 2019 and December 31, 2018 the additional capital conservation buffer in effect was 2.50% and 1.87%, respectively.

United’s common stock trades on the Nasdaq Global Select Market under the symbol “UCBI.” Below is a quarterly schedule of high, low and closing stock prices and average daily volume for 2019 and 2018.

Table 14 - Stock Price Information

	2019							2018
	High		Low		Close		Avg Daily Volume	High		Low		Close		Avg Daily Volume
First quarter	$	29.79	$	21.19	$	24.93	507,207	$	33.60	$	27.73	$	31.65	529,613
Second quarter								34.18		30.52		30.67		402,230
Third quarter								31.93		27.82		27.89		414,541
Fourth quarter								28.88		20.23		21.46		509,152

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Effect of Inflation and Changing Prices

A bank’s asset and liability structure is substantially different from that of an industrial firm in that primarily all assets and liabilities of a bank are monetary in nature with relatively little investment in fixed assets or inventories. Inflation has an important effect on the growth of total assets and the resulting need to increase equity capital at higher than normal rates in order to maintain an appropriate equity to assets ratio.

Management believes the effect of inflation on financial results depends on United’s ability to react to changes in interest rates, and by such reaction, reduce the inflationary effect on performance. United has an asset/liability management program to manage interest rate sensitivity. In addition, periodic reviews of banking services and products are conducted to adjust pricing in view of current and expected costs.

Item 3.    Quantitative and Qualitative Disclosure About Market Risk

There have been no material changes in United’s market risk as of March 31, 2019 from that presented in the Annual Report on Form 10-K for the year ended December 31, 2018. The interest rate sensitivity position at March 31, 2019 is included in Table 12 in management’s discussion and analysis of this report.

Item 4.    Controls and Procedures

United’s management, including the Chief Executive Officer and Chief Financial Officer, supervised and participated in an evaluation of United’s disclosure controls and procedures as of March 31, 2019. Based on, and as of the date of that evaluation, United’s Chief Executive Officer and Chief Financial Officer have concluded that the disclosure controls and procedures were effective in accumulating and communicating information to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosures of that information under the SEC’s rules and forms and that the disclosure controls and procedures are designed to ensure that the information required to be disclosed in reports that are filed or submitted by United under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

There were no significant changes in the internal controls or in other factors that could significantly affect these controls subsequent to the date of their evaluation.

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Part II.    Other Information

Item 1. Legal Proceedings

In the ordinary course of operations, United and the Bank are defendants in various legal proceedings. Additionally, in the ordinary course of business, United and the Bank are subject to regulatory examinations and investigations. Based on our current knowledge and advice of counsel, in the opinion of management there is no such pending or threatened legal matter which would result in a material adverse change in the consolidated financial condition or results of operations of United.

Items 1A. Risk Factors

There have been no material changes from the risk factors previously disclosed in United’s Annual Report on Form 10-K for the year ended December 31, 2018. 

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table contains information for shares repurchased during the first quarter of 2019.

(Dollars in thousands, except for per share amounts)	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs (1)
January 1, 2019 - January 31, 2019	95,000	$	26.13	95,000	$	47,518
February 1, 2019 - February 28, 2019	81,600	26.61		81,600	45,347
March 1, 2019 - March 31, 2019	128,452	24.80		128,452	42,160
Total	305,052	$	25.70	305,052	$	42,160

⁽¹⁾In November 2018, United’s Board of Directors approved an increase and extension of the existing common stock repurchase plan, authorizing $50 million of repurchases through December 31, 2019. Under the program, the shares may be repurchased periodically in open market transactions at prevailing market prices, in privately negotiated transactions, or by other means in accordance with federal securities laws. The actual timing, number and value of shares repurchased under the program depends on a number of factors, including the market price of United’s common stock, general market and economic conditions, and applicable legal requirements.

Item 3. Defaults upon Senior Securities – None

Item 4. Mine Safety Disclosures – None

Item 5. Other Information – None

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Item 6. Exhibits

Exhibit No.	Description
31.1	Certification by H. Lynn Harton, President and Chief Executive Officer of United Community Banks, Inc., pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification by Jefferson L. Harralson, Executive Vice President and Chief Financial Officer of United Community Banks, Inc., pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
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

61

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized.

UNITED COMMUNITY BANKS, INC.

/s/ H. Lynn Harton

H. Lynn Harton

President and Chief Executive Officer

(Principal Executive Officer)

/s/ Jefferson L. Harralson

Jefferson L. Harralson

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

/s/ Alan H. Kumler

Alan H. Kumler

Senior Vice President and Chief Accounting Officer

(Principal Accounting Officer)

Date:  May 8, 2019

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EX-31.1

Exhibit 31.1

I, H. Lynn Harton, certify that:

1. I have reviewed this quarterly report on Form 10-Q of United Community Banks, Inc. (the “Registrant”);

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 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 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:

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.

By:	/s/ H. Lynn Harton
	H. Lynn Harton
	President and Chief Executive Officer of the Registrant
Date:  May 8, 2019

EX-31.2

Exhibit 31.2

I, Jefferson L. Harralson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of United Community Banks, Inc. (the “Registrant”);

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 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 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:

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. 

By:	/s/ Jefferson L. Harralson
	Jefferson L. Harralson
	Executive Vice President and Chief Financial Officer of the Registrant
Date: May 8, 2019

EX-32

Exhibit 32

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 of United Community Banks, Inc. (“United”) on Form 10-Q for the period ending March 31, 2019 filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, H. Lynn Harton, President and Chief Executive Officer of United, and I, Jefferson L. Harralson, Executive Vice President and Chief Financial Officer of United, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of United.

By:	/s/ H. Lynn Harton
	H. Lynn Harton
	President and Chief Executive Officer
By:	/s/ Jefferson L. Harralson
	Jefferson L. Harralson
	Executive Vice President and Chief Financial Officer
Date: May 8, 2019

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Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	Apr. 30, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	UNITED COMMUNITY BANKS INC
Entity Central Index Key	0000857855
Trading Symbol	ucbi
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock Shares Outstanding		79,039,390
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1

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Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest revenue:
Loans, including fees	$ 115,259	$ 96,469
Investment securities, including tax exempt of $1,169 and $972	20,818	18,295
Deposits in banks and short-term investments	439	526
Total interest revenue	136,516	115,290
Deposits:
NOW and interest-bearing demand	3,536	1,113
Money market	4,205	2,175
Savings	32	49
Time	8,184	2,956
Total deposit interest expense	15,957	6,293
Short-term borrowings	161	300
Federal Home Loan Bank advances	1,422	2,124
Long-term debt	3,342	3,288
Total interest expense	20,882	12,005
Net interest revenue	115,634	103,285
Provision for credit losses	3,300	3,800
Net interest revenue after provision for credit losses	112,334	99,485
Noninterest income:
Service charges and fees	8,453	8,925
Mortgage loan and other related fees	3,748	5,359
Brokerage fees	1,337	872
Gains from sales of SBA/USDA loans	1,303	1,778
Securities losses, net	(267)	(940)
Other	6,394	6,402
Total noninterest income	20,968	22,396
Total revenue	133,302	121,881
Noninterest expenses:
Salaries and employee benefits	47,503	42,875
Communications and equipment	5,788	4,632
Occupancy	5,584	5,613
Advertising and public relations	1,286	1,515
Postage, printing and supplies	1,586	1,637
Professional fees	3,161	4,044
FDIC assessments and other regulatory charges	1,710	2,476
Amortization of intangibles	1,293	1,898
Merger-related and other charges	546	2,054
Other	7,627	6,731
Total noninterest expenses	76,084	73,475
Net income before income taxes	57,218	48,406
Income tax expense	12,956	10,748
Net income	44,262	37,658
Net income available to common shareholders	$ 43,947	$ 37,381
Earnings per common share:
Basic (in dollars per share)	$ 0.55	$ 0.47
Diluted (in dollars per share)	$ 0.55	$ 0.47
Weighted average common shares outstanding:
Basic (in shares)	79,807	79,205
Diluted (in shares)	79,813	79,215

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Consolidated Statements of Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Investment securities, tax exempt	$ 1,169	$ 972

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Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income, Before-tax Amount	$ 57,218	$ 48,406
Net income, Tax (Expense) Benefit	(12,956)	(10,748)
Net income	44,262	37,658
Unrealized gains (losses) on available-for-sale securities:
Unrealized holding gains (losses) arising during period, Before-tax Amount	33,174	(29,265)
Unrealized holding gains (losses) arising during period, Tax (Expense) Benefit	(8,049)	7,155
Unrealized holding gains (losses) arising during period, Net of Tax Amount	25,125	(22,110)
Reclassification adjustment for (gains) losses included in net income, Before-tax Amount	267	940
Reclassification adjustment for (gains) losses included in net income, Tax (Expense) Benefit	(68)	(221)
Reclassification adjustment for (gains) losses included in net income, Net of Tax Amount	199	719
Net unrealized gains (losses), Before-tax Amount	33,441	(28,325)
Net unrealized gains (losses), Tax (Expense) Benefit	(8,117)	6,934
Net unrealized gains (losses), Net of Tax Amount	25,324	(21,391)
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity, Before-tax Amount	84	222
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity, Tax (Expense) Benefit	(20)	(54)
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity, Net of Tax Amount	64	168
Amortization of losses included in net income on terminated derivative financial instruments that were previously accounted for as cash flow hedges, Before-tax Amount	102	147
Amortization of losses included in net income on terminated derivative financial instruments that were previously accounted for as cash flow hedges, Tax (Expense) Benefit	(26)	(38)
Amortization of losses included in net income on terminated derivative financial instruments that were previously accounted for as cash flow hedges, After-tax Amount	76	109
Defined benefit pension plan activity:
Net actuarial loss on defined benefit pension plan, Before-tax Amount		(5)
Net actuarial loss on defined benefit pension plan, Tax (Expense) Benefit		1
Net actuarial loss on defined benefit pension plan, Net of Tax Amount		(4)
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, Before-tax Amount	174	227
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, Tax (Expense) Benefit	(44)	(58)
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan, Net of Tax Amount	130	169
Net defined benefit pension plan activity, Before-tax Amount		222
Net defined benefit pension plan activity, Tax (Expense) Benefit		(57)
Net defined benefit pension plan activity, Net of Tax Amount		165
Total other comprehensive income (loss), Before-tax Amount	33,801	(27,734)
Total other comprehensive income (loss), Tax (Expense) Benefit	(8,207)	6,785
Total other comprehensive income (loss), net of tax amount	25,594	(20,949)
Comprehensive income, Before-tax Amount	91,019	20,672
Comprehensive income, Tax (Expense) Benefit	(21,163)	(3,963)
Comprehensive income, Net of Tax Amount	$ 69,856	$ 16,709

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Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Cash and due from banks	$ 118,659	$ 126,083
Interest-bearing deposits in banks (includes restricted cash of $6.43 million and $6.70 million)	206,836	201,182
Cash and cash equivalents	325,495	327,265
Debt securities available for sale	2,454,625	2,628,467
Debt securities held to maturity (fair value $265,117 and $268,803)	265,329	274,407
Loans held for sale at fair value	26,341	18,935
Loans and leases, net of unearned income	8,493,254	8,383,401
Less allowance for loan and lease losses	(61,642)	(61,203)
Loans and leases, net	8,431,612	8,322,198
Premises and equipment, net	214,022	206,140
Bank owned life insurance	193,489	192,616
Accrued interest receivable	35,126	35,413
Net deferred tax asset	51,055	64,224
Derivative financial instruments	25,924	24,705
Goodwill and other intangible assets	322,779	324,072
Other assets	160,030	154,750
Total assets	12,505,827	12,573,192
Deposits:
Noninterest-bearing demand	3,313,861	3,210,220
NOW and interest-bearing demand	2,205,117	2,274,775
Money market	2,106,045	2,097,526
Savings	681,739	669,886
Time	1,668,563	1,598,391
Brokered	558,981	683,715
Total deposits	10,534,306	10,534,513
Federal Home Loan Bank advances	40,000	160,000
Long-term debt	257,259	267,189
Derivative financial instruments	18,789	26,433
Accrued expenses and other liabilities	147,315	127,503
Total liabilities	10,997,669	11,115,638
Shareholders' equity:
Common stock, $1 par value; 150,000,000 shares authorized; 79,035,459 and 79,234,077 shares issued and outstanding	79,035	79,234
Common stock issuable; 621,491 and 674,499 shares	10,291	10,744
Capital surplus	1,494,400	1,499,584
Accumulated deficit	(59,573)	(90,419)
Accumulated other comprehensive loss	(15,995)	(41,589)
Total shareholders' equity	1,508,158	1,457,554
Total liabilities and shareholders' equity	$ 12,505,827	$ 12,573,192

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Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Held to maturity, fair value	$ 265,117	$ 268,803
Restricted Cash and Cash Equivalents	$ 6,430	$ 6,700
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock authorized (in shares)	150,000,000	150,000,000
Common stock issued (in shares)	79,035,459	79,234,077
Common stock outstanding (in shares)	79,035,459	79,234,077
Common stock issuable (in shares)	621,491	674,499

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Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Common Stock Issuable	Capital Surplus	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2017	$ 1,303,334	$ 77,580	$ 9,083	$ 1,451,814	$ (209,902)	$ (25,241)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	37,658				37,658
Other comprehensive income (loss)	(20,949)					(20,949)
Common stock issued to dividend reinvestment plan and employee benefit plans (8,445 shares and 5,204 shares for the periods ended March 31, 2019 and 2018, respectively)	144	5		139
Common stock issued for acquisition (1,443,987 shares)	45,746	1,444		44,302
Amortization of stock options and or restricted stock awards	1,148			1,148
Vesting of restricted stock, net of shares surrendered to cover payroll taxes (15,945 shares issued, 19,450 shares deferred and 48,310 shares issued, 46,074 shares deferred for the periods ended March 31, 2019 and 2018, respectively)	(827)	48	850	(1,725)
Deferred compensation plan, net, including dividend equivalents	143		143
Shares issued from deferred compensation plan, net of shares surrendered to cover payroll taxes (70,044 shares and 45,558 shares for the periods ended March 31, 2019 and 2018, respectively)	(9)	46	(684)	629
Common stock dividends ($0.16 per share and $0.12 per share for the periods ended March 31, 2019 and 2018, respectively)	(9,633)				(9,633)
Ending balance at Mar. 31, 2018	1,356,755	79,123	9,392	1,496,307	(181,877)	(46,190)
Beginning balance at Dec. 31, 2018	1,457,554	79,234	10,744	1,499,584	(90,419)	(41,589)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	44,262				44,262
Other comprehensive income (loss)	25,594					25,594
Exercise of stock options (12,000 shares)	197	12		185
Common stock issued to dividend reinvestment plan and employee benefit plans (8,445 shares and 5,204 shares for the periods ended March 31, 2019 and 2018, respectively)	186	8		178
Amortization of stock options and or restricted stock awards	1,985			1,985
Vesting of restricted stock, net of shares surrendered to cover payroll taxes (15,945 shares issued, 19,450 shares deferred and 48,310 shares issued, 46,074 shares deferred for the periods ended March 31, 2019 and 2018, respectively)	(317)	16	532	(865)
Purchases of common stock (305,052 shares)	(7,840)	(305)		(7,535)
Deferred compensation plan, net, including dividend equivalents	185		185
Shares issued from deferred compensation plan, net of shares surrendered to cover payroll taxes (70,044 shares and 45,558 shares for the periods ended March 31, 2019 and 2018, respectively)	(232)	70	(1,170)	868
Common stock dividends ($0.16 per share and $0.12 per share for the periods ended March 31, 2019 and 2018, respectively)	(12,867)				(12,867)
Ending balance at Mar. 31, 2019	$ 1,508,158	$ 79,035	$ 10,291	$ 1,494,400	$ (59,573)	$ (15,995)

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Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Exercise of stock options (in shares)	12,000
Common stock issued to dividend reinvestment plan and employee benefits plans (in shares)	8,445	5,204
Common stock issued for acquisition (in shares)	0	1,443,987
Vesting of restricted stock, net of shares surrendered to cover payroll taxes, shares issued (in shares)	15,945	48,310
Vesting of restricted stock, net of shares surrendered to cover payroll taxes, shares deferred (in shares)	19,450	46,074
Purchases of common stock (in shares)	305,052
Shares issued from deferred compensation plan, net of shares surrendered to cover payroll taxes (in shares)	70,044	45,558
Common stock dividends (in dollars per share)	$ 0.16	$ 0.12

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities:
Net income	$ 44,262	$ 37,658
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	6,373	10,487
Provision for credit losses	3,300	3,800
Stock based compensation	1,985	1,148
Deferred income tax expense	658	10,225
Securities losses, net	267	940
Gains from sales of SBA/USDA loans	(1,303)	(1,778)
Net (gains) losses and write downs on sales of other real estate owned	(45)	188
Changes in assets and liabilities:
Other assets and accrued interest receivable	(6,206)	(385)
Accrued expenses and other liabilities	(5,994)	1,371
Loans held for sale	(7,406)	8,833
Net cash provided by operating activities	35,891	72,487
Debt securities held to maturity:
Proceeds from maturities and calls of securities held to maturity	9,049	13,832
Purchases of securities held to maturity	0	(4,781)
Debt securities available for sale and equity securities:
Proceeds from sales of securities available for sale	178,604	113,961
Proceeds from maturities and calls of securities available for sale	60,779	85,331
Purchases of securities available for sale	(34,729)	(30,161)
Net increase in loans	(90,380)	(79,404)
Proceeds from sales of premises and equipment	105	195
Purchases of premises and equipment	(11,686)	(6,107)
Net cash paid for acquisition	0	(56,800)
Proceeds from sale of other real estate	974	957
Net cash provided by investing activities	112,716	37,023
Financing activities:
Net change in deposits	117	186,089
Net change in short-term borrowings	0	(264,923)
Repayment of long-term debt	(10,110)	(12,309)
Proceeds from FHLB advances	780,000	760,000
Repayment of FHLB advances	(900,000)	(830,000)
Proceeds from issuance of subordinated debt, net of issuance costs	0	98,188
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	186	144
Proceeds from exercise of stock options	197	0
Cash paid for shares withheld to cover payroll taxes upon vesting of restricted stock	(549)	(836)
Repurchase of common stock	(7,342)	0
Cash dividends on common stock	(12,876)	(7,885)
Net cash used in financing activities	(150,377)	(71,532)
Net change in cash and cash equivalents, including restricted cash	(1,770)	37,978
Cash and cash equivalents, including restricted cash, at beginning of period	327,265	314,275
Cash and cash equivalents, including restricted cash, at end of period	325,495	352,253
Supplemental disclosures of cash flow information:
Interest paid	22,963	13,069
Income taxes paid	939	811
Significant non-cash investing and financing transactions:
Unsettled securities purchases	0	4,790
Unsettled government guaranteed loan sales	13,934	14,240
Transfers of loans to foreclosed properties	751	625
Unsettled repurchases of common stock	498	0
Acquisitions:
Assets acquired	0	480,679
Liabilities assumed	0	350,433
Net assets acquired	0	130,246
Common stock issued in acquisitions	$ 0	$ 45,746

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Accounting Policies

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Accounting Policies

Accounting Policies

The accounting and financial reporting policies of United Community Banks, Inc. and its subsidiaries (collectively referred to herein as “United”) conform to accounting principles generally accepted in the United States (“GAAP”) and reporting guidelines of banking regulatory authorities and regulators. The accompanying interim consolidated financial statements have not been audited. All material intercompany balances and transactions have been eliminated. A more detailed description of United’s accounting policies is included in its Annual Report on Form 10-K for the year ended December 31, 2018.

In management’s opinion, all accounting adjustments necessary to accurately reflect the financial position and results of operations on the accompanying financial statements have been made. These adjustments are normal and recurring accruals considered necessary for a fair and accurate statement. The results for interim periods are not necessarily indicative of results for the full year or any other interim periods.

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Accounting Standards Updates and Recently Adopted Standards

3 Months Ended

Mar. 31, 2019

Accounting Changes and Error Corrections [Abstract]

Accounting Standards Updates and Recently Adopted Standards

Accounting Standards Updates and Recently Adopted Standards

Accounting Standards Updates

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance was further modified in November 2018 by ASU No. 2018-19, Codification Improvements to Topic 326, Financial Instruments - Credit Losses. The new guidance replaces the incurred loss impairment methodology in current GAAP with a current expected credit loss (“CECL”) methodology and requires consideration of a broader range of information to determine credit loss estimates. Financial assets measured at amortized cost will be presented at the net amount expected to be collected by using an allowance for credit losses. Purchased credit deteriorated loans will receive an allowance account at the acquisition date that represents a component of the purchase price allocation. Credit losses relating to available-for-sale debt securities will be recorded through an allowance for credit losses, with such allowance limited to the amount by which fair value is below amortized cost. Application of this update will primarily be on a modified retrospective approach, although the guidance for debt securities for which an other-than-temporary impairment has been recognized before the effective date and for loans previously covered by Accounting Standards Codification (“ASC”) 310-30, Receivables – Loans and Debt Securities Acquired with Deteriorated Credit Quality will be applied on a prospective basis. For public entities, this update is effective for fiscal years beginning after December 15, 2019. Upon adoption, United expects that the allowance for credit losses will be higher given the change to estimated losses for the estimated life of the financial asset; however, management is still in the process of determining the impact. During the first quarter 2019, management’s CECL steering committee continued the process of populating relevant data, building models and documenting processes and controls in preparation for adoption of Topic 326. During the remainder of 2019, management plans to run multiple parallel runs of the allowance model under the expected credit loss methodology, starting with a loan-focused parallel run using first quarter data. Management will incrementally widen the scope of model runs thereafter until a full CECL run is completed. During monthly steering committee meetings, management regularly reviews project status, gap remediation efforts and project priorities.

Recently Adopted Standards

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This guidance was further modified by ASU No. 2018-10, Codification Improvements to Topic 842 Leases, ASU No. 2018-11, Leases (Topic 842): Targeted Improvements, ASU No. 2018-20, Leases (Topic 842): Narrow-Scope Improvements for Lessors andASU No. 2019-01, Leases (Topic 842): Codification Improvements. These standards require a lessee to recognize in the consolidated balance sheet a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term. United adopted the standard on January 1, 2019 using the optional transition method, which allowed for a modified retrospective method of adoption with a cumulative effect adjustment to shareholders’ equity without restating comparable periods. United also elected the relief package of practical expedients for which there is no requirement to reassess existence of leases, their classification, and initial direct costs as well as an exemption for short-term leases with a term of less than one year, whereby United does not recognize a lease liability or right-of-use asset on the consolidated balance sheet but instead recognizes lease payments as an expense over the lease term as appropriate. The adoption of this guidance resulted in recognition of a right-of-use asset of $23.8 million, a lease liability of $26.8 million and a reduction of shareholders’ equity of $549,000, net of tax, related to its operating leases. In addition, United has equipment financing leases for which it is the lessor, which were previously accounted for as capital leases. Upon adoption of Topic 842, these leases were classified as direct financing leases, which required no significant change in accounting policy or treatment. These lease agreements may include options to renew and for the lessee to purchase the leased equipment at the end of the lease term. As a lessor, United elected to exclude sales taxes from consideration in lease contracts. In the opinion of management, the changes described above resulting from the adoption of the standard did not have a material impact on the consolidated financial statements. See Notes 5 and 14 for additional information on direct financing leases and operating leases, respectively.

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Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings

3 Months Ended

Mar. 31, 2019

Offsetting [Abstract]

Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings

Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings

United enters into reverse repurchase agreements in order to invest short-term funds. In addition, United enters into repurchase agreements and reverse repurchase agreements with the same counterparty in transactions commonly referred to as collateral swaps that are subject to master netting agreements under which the balances are netted in the balance sheet in accordance with ASC 210-20, Offsetting.

The following table presents a summary of amounts outstanding under reverse repurchase agreements, of which there were none as of March 31, 2019, and derivative financial instruments including those entered into in connection with the same counterparty under master netting agreements as of the dates indicated (in thousands).

	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
March 31, 2019							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Derivatives	$	25,924		$	—		$	25,924	$	(2,295	)	$	(1,797	)	$	21,832
Total	$	25,924		$	—		$	25,924	$	(2,295	)	$	(1,797	)	$	21,832
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet			Net Liability Balance		Gross Amounts not Offset in the Balance Sheet
									Financial Instruments			Collateral Pledged			Net Amount
Derivatives	$	18,789		$	—		$	18,789	$	(2,295	)	$	(11,870	)	$	4,624
Total	$	18,789		$	—		$	18,789	$	(2,295	)	$	(11,870	)	$	4,624
	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
December 31, 2018							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	24,705			—			24,705		(973		)	(8,029		)	15,703
Total	$	74,705		$	(50,000	)	$	24,705	$	(973	)	$	(8,029	)	$	15,703
Weighted average interest rate of reverse repurchase agreements	3.20		%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
							Net Liability Balance		Financial Instruments			Collateral Pledged			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	26,433			—			26,433		(973		)	(16,126		)	9,334
Total	$	76,433		$	(50,000	)	$	26,433	$	(973	)	$	(16,126	)	$	9,334
Weighted average interest rate of repurchase agreements	2.45		%

At March 31, 2019, United recognized the right to reclaim cash collateral of $11.9 million and the obligation to return cash collateral of $1.80 million. At December 31, 2018, United recognized the right to reclaim cash collateral of $16.1 million and the obligation to return cash collateral of $8.03 million. The right to reclaim cash collateral and the obligation to return cash collateral were included in the consolidated balance sheets in other assets and other liabilities, respectively.

The following table presents additional detail regarding repurchase agreements accounted for as secured borrowings and the securities underlying these agreements as of December 31, 2018 (in thousands).

	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		91 to 110 days		Total
Mortgage-backed securities	$	—	$	—	$	50,000	$	—	$	50,000
Total	$	—	$	—	$	50,000	$	—	$	50,000
Gross amount of recognized liabilities for repurchase agreements in offsetting disclosure									$	50,000
Amounts related to agreements not included in offsetting disclosure									$	—

United is obligated to promptly transfer additional securities if the market value of the securities falls below the repurchase agreement price. United manages this risk by maintaining an unpledged securities portfolio that it believes is sufficient to cover a decline in the market value of the securities sold under agreements to repurchase.

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Securities

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Securities

Securities

The amortized cost basis, unrealized gains and losses and fair value of debt securities held-to-maturity as of the dates indicated are as follows (in thousands).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of March 31, 2019
State and political subdivisions	$	65,519	$	1,443	$	456	$	66,506
Residential mortgage-backed securities	170,980		1,078		2,532		169,526
Commercial mortgage-backed securities	28,830		323		68		29,085
Total	$	265,329	$	2,844	$	3,056	$	265,117
As of December 31, 2018
State and political subdivisions	$	68,551	$	952	$	2,191	$	67,312
Residential mortgage-backed securities	176,488		652		5,094		172,046
Commercial mortgage-backed securities	29,368		173		96		29,445
Total	$	274,407	$	1,777	$	7,381	$	268,803

The cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale as of the dates indicated are presented below (in thousands).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of March 31, 2019
U.S. Treasuries	$	142,409	$	22	$	576	$	141,855
U.S. Government agencies	4,812		292		3		5,101
State and political subdivisions	217,120		5,124		64		222,180
Residential mortgage-backed securities	1,414,612		9,222		9,749		1,414,085
Commercial mortgage-backed securities	345,198		432		2,291		343,339
Corporate bonds	200,471		506		301		200,676
Asset-backed securities	128,359		183		1,153		127,389
Total	$	2,452,981	$	15,781	$	14,137	$	2,454,625
As of December 31, 2018
U.S. Treasuries	$	150,712	$	767	$	2,172	$	149,307
U.S. Government agencies	25,493		335		275		25,553
State and political subdivisions	234,750		907		1,716		233,941
Residential mortgage-backed securities	1,464,380		3,428		21,898		1,445,910
Commercial mortgage-backed securities	399,663		187		7,933		391,917
Corporate bonds	200,582		502		1,921		199,163
Asset-backed securities	184,683		328		2,335		182,676
Total	$	2,660,263	$	6,454	$	38,250	$	2,628,467

Securities with a carrying value of $842 million and $925 million were pledged to secure public deposits, derivatives and other secured borrowings at March 31, 2019 and December 31, 2018, respectively.

 The following table summarizes debt securities held-to-maturity in an unrealized loss position as of the dates indicated (in thousands).

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of March 31, 2019
State and political subdivisions	$	—	$	—	$	22,356	$	456	$	22,356	$	456
Residential mortgage-backed securities	—		—		112,921		2,532		112,921		2,532
Commercial mortgage-backed securities	—		—		4,095		68		4,095		68
Total unrealized loss position	$	—	$	—	$	139,372	$	3,056	$	139,372	$	3,056
As of December 31, 2018
State and political subdivisions	$	7,062	$	46	$	34,146	$	2,145	$	41,208	$	2,191
Residential mortgage-backed securities	6,579		61		136,376		5,033		142,955		5,094
Commercial mortgage-backed securities	—		—		4,290		96		4,290		96
Total unrealized loss position	$	13,641	$	107	$	174,812	$	7,274	$	188,453	$	7,381

The following table summarizes debt securities available-for-sale in an unrealized loss position as of the dates indicated (in thousands).

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of March 31, 2019
U.S. Treasuries	$	—	$	—	$	122,122	$	576	$	122,122	$	576
U.S. Government agencies	—		—		471		3		471		3
State and political subdivisions	415		1		18,186		63		18,601		64
Residential mortgage-backed securities	47,263		644		665,525		9,105		712,788		9,749
Commercial mortgage-backed securities	—		—		237,883		2,291		237,883		2,291
Corporate bonds	—		—		108,272		301		108,272		301
Asset-backed securities	71,224		720		17,825		433		89,049		1,153
Total unrealized loss position	$	118,902	$	1,365	$	1,170,284	$	12,772	$	1,289,186	$	14,137
As of December 31, 2018
U.S. Treasuries	$	—	$	—	$	120,391	$	2,172	$	120,391	$	2,172
U.S. Government agencies	—		—		21,519		275		21,519		275
State and political subdivisions	15,160		28		133,500		1,688		148,660		1,716
Residential mortgage-backed securities	234,583		808		775,360		21,090		1,009,943		21,898
Commercial mortgage-backed securities	4,552		594		355,292		7,339		359,844		7,933
Corporate bonds	—		—		117,296		1,921		117,296		1,921
Asset-backed securities	74,492		1,879		31,968		456		106,460		2,335
Total unrealized loss position	$	328,787	$	3,309	$	1,555,326	$	34,941	$	1,884,113	$	38,250

At March 31, 2019, there were 174 debt securities available-for-sale and 56 debt securities held-to-maturity that were in an unrealized loss position. United does not intend to sell nor believes it will be required to sell securities in an unrealized loss position prior to the recovery of their amortized cost basis. Unrealized losses at March 31, 2019 were primarily attributable to changes in interest rates.

Management evaluates securities for other-than-temporary impairment on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, among other factors. In analyzing an issuer’s financial condition, management considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and industry analysts’ reports. No impairment charges were recognized during the three months ended March 31, 2019 or 2018.

Realized gains and losses are derived using the specific identification method for determining the cost of securities sold. The following table summarizes available-for-sale securities sales activity for the three months ended March 31, 2019 and 2018(in thousands). 

	Three Months Ended March 31,
	2019			2018
Proceeds from sales	$	178,604		$	113,961
Gross gains on sales	$	1,287		$	417
Gross losses on sales	(1,554		)	(1,357		)
Net losses on sales of securities	$	(267	)	$	(940	)
Income tax benefit attributable to sales	$	(68	)	$	(221	)

The amortized cost and fair value of debt securities available-for-sale and held-to-maturity at March 31, 2019, by contractual maturity, are presented in the following table (in thousands). 

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
U.S. Treasuries:
1 to 5 years	$	142,409	$	141,855	$	—	$	—
	142,409		141,855		—		—
U.S. Government agencies:
1 to 5 years	474		471		—		—
More than 10 years	4,338		4,630		—		—
	4,812		5,101		—		—
State and political subdivisions:
Within 1 year	500		502		3,250		3,262
1 to 5 years	36,058		36,060		11,567		12,024
5 to 10 years	35,888		36,743		7,753		8,423
More than 10 years	144,674		148,875		42,949		42,797
	217,120		222,180		65,519		66,506
Corporate bonds:
Within 1 year	10,239		10,219		—		—
1 to 5 years	187,732		187,948		—		—
5 to 10 years	1,500		1,514		—		—
More than 10 years	1,000		995		—		—
	200,471		200,676		—		—
Asset-backed securities:
1 to 5 years	2,121		2,107		—		—
More than 10 years	126,238		125,282		—		—
	128,359		127,389		—		—
Total securities other than mortgage-backed securities:
Within 1 year	10,739		10,721		3,250		3,262
1 to 5 years	368,794		368,441		11,567		12,024
5 to 10 years	37,388		38,257		7,753		8,423
More than 10 years	276,250		279,782		42,949		42,797
Residential mortgage-backed securities	1,414,612		1,414,085		170,980		169,526
Commercial mortgage-backed securities	345,198		343,339		28,830		29,085
	$	2,452,981	$	2,454,625	$	265,329	$	265,117

Expected maturities may differ from contractual maturities because issuers and borrowers may have the right to call or prepay obligations.

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Loans and Leases and Allowance for Credit Losses

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Loans and Leases and Allowance for Credit Losses

Loans and Leases and Allowance for Credit Losses

Major classifications of the loan and lease portfolio (collectively referred to as the “loan portfolio” or “loans”) are summarized as of the dates indicated as follows (in thousands).

	March 31, 2019			December 31, 2018
Owner occupied commercial real estate	$	1,620,068		$	1,647,904
Income producing commercial real estate	1,867,425			1,812,420
Commercial & industrial	1,283,865			1,278,347
Commercial construction	865,666			796,158
Equipment financing	605,984			564,614
Total commercial	6,243,008			6,099,443
Residential mortgage	1,063,840			1,049,232
Home equity lines of credit	683,771			694,010
Residential construction	200,708			211,011
Consumer direct	121,174			122,013
Indirect auto	180,753			207,692
Total loans	8,493,254			8,383,401
Less allowance for loan losses	(61,642		)	(61,203		)
Loans, net	$	8,431,612		$	8,322,198

At March 31, 2019 and December 31, 2018, loans totaling $4.03 billion and $3.98 billion, respectively, were pledged as collateral to secure Federal Home Loan Bank advances, securitized notes payable and other contingent funding sources.

At March 31, 2019, the carrying value and outstanding balance of purchased credit impaired (“PCI”) loans accounted for under ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, were $68.7 million and $100 million, respectively. At December 31, 2018, the carrying value and outstanding balance of PCI loans were $74.4 million and $109 million, respectively. The following table presents changes in the balance of the accretable yield for PCI loans for the periods indicated (in thousands): 

	Three Months Ended March 31,
	2019			2018
Balance at beginning of period	$	26,868		$	17,686
Additions due to acquisitions	—			1,830
Accretion	(4,813		)	(2,546		)
Reclassification from nonaccretable difference	2,706			591
Changes in expected cash flows that do not affect nonaccretable difference	1,863			475
Balance at end of period	$	26,624		$	18,036

In addition to the accretable yield on PCI loans, the fair value adjustments on purchased loans outside the scope of ASC 310-30 are also accreted to interest revenue over the life of the loans. At March 31, 2019 and December 31, 2018, the remaining accretable net fair value discount on loans acquired through a business combination and not accounted for under ASC 310-30 was $4.44 million and $4.31 million, respectively. At March 31, 2019, the net fair value discount of $4.44 million included a net premium on acquired equipment financing loans. In addition, indirect auto loans purchased at a premium outside of a business combination had a remaining premium of $3.03 million and $3.72 million, respectively, as of March 31, 2019 and December 31, 2018.

At March 31, 2019 and December 31, 2018, equipment financing assets included direct financing leases of $33.5 million and $30.4 million, respectively. The components of the net investment in leases are presented below (in thousands). 

	March 31, 2019			December 31, 2018
Minimum future lease payments receivable	$	35,385		$	31,915
Estimated residual value of leased equipment	3,791			3,593
Initial direct costs	856			827
Security deposits	(1,173		)	(1,189		)
Purchase accounting premium	644			806
Unearned income	(6,011		)	(5,568		)
Net investment in leases	$	33,492		$	30,384

Minimum future lease payments expected to be received from lease contracts as of March 31, 2019 are as follows (in thousands): 

Year
Remainder of 2019	$	10,384
2020	10,960
2021	7,156
2022	4,249
2023	2,046
Thereafter	590
Total	$	35,385

Allowance for Credit Losses and Loans Individually Evaluated for Impairment

The allowance for loan losses represents management’s estimate of probable incurred losses in the loan portfolio as of the end of the period. The allowance for unfunded commitments is included in other liabilities in the consolidated balance sheet. Combined, the allowance for loan losses and allowance for unfunded commitments are referred to as the allowance for credit losses.

The following table presents the balance and activity in the allowance for credit losses by portfolio segment for the periods indicated (in thousands). 

	2019												2018
Three Months Ended March 31,
	Beginning Balance		Charge-Offs			Recoveries		(Release)Provision			Ending Balance		Beginning Balance		Charge-Offs			Recoveries		(Release) Provision			Ending Balance
Owner occupied commercial real estate	$	12,207	$	(5	)	$	69	$	(397	)	$	11,874	$	14,776	$	(60	)	$	103	$	(258	)	$	14,561
Income producing commercial real estate	11,073		(197		)	20		230			11,126		9,381		(657		)	235		817			9,776
Commercial & industrial	4,802		(1,519		)	163		1,449			4,895		3,971		(384		)	389		99			4,075
Commercial construction	10,337		(69		)	394		(387		)	10,275		10,523		(363		)	97		(223		)	10,034
Equipment financing	5,452		(1,424		)	143		2,060			6,231		—		(139		)	97		2,333			2,291
Residential mortgage	8,295		(61		)	48		63			8,345		10,097		(70		)	123		71			10,221
Home equity lines of credit	4,752		(337		)	122		260			4,797		5,177		(124		)	35		(156		)	4,932
Residential construction	2,433		(4		)	26		(65		)	2,390		2,729		—			64		251			3,044
Consumer direct	853		(547		)	207		324			837		710		(651		)	160		514			733
Indirect auto	999		(197		)	38		32			872		1,550		(436		)	80		224			1,418
Total allowance for loan losses	61,203		(4,360		)	1,230		3,569			61,642		58,914		(2,884		)	1,383		3,672			61,085
Allowance for unfunded commitments	3,410		—			—		(269		)	3,141		2,312		—			—		128			2,440
Total allowance for credit losses	$	64,613	$	(4,360	)	$	1,230	$	3,300		$	64,783	$	61,226	$	(2,884	)	$	1,383	$	3,800		$	63,525

The following tables represent the recorded investment in loans by portfolio segment and the balance of the allowance for loan losses assigned to each segment based on the method of evaluating the loans for impairment as of the dates indicated (in thousands).

	Allowance for Credit Losses
	March 31, 2019								December 31, 2018
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	825	$	10,894	$	155	$	11,874	$	862	$	11,328	$	17	$	12,207
Income producing commercial real estate	280		10,846		—		11,126		402		10,671		—		11,073
Commercial & industrial	36		4,855		4		4,895		32		4,761		9		4,802
Commercial construction	68		10,001		206		10,275		71		9,974		292		10,337
Equipment financing	—		5,988		243		6,231		—		5,045		407		5,452
Residential mortgage	916		7,403		26		8,345		861		7,410		24		8,295
Home equity lines of credit	1		4,796		—		4,797		1		4,740		11		4,752
Residential construction	63		2,327		—		2,390		51		2,382		—		2,433
Consumer direct	5		832		—		837		6		847		—		853
Indirect auto	25		847		—		872		26		973		—		999
Total allowance for loan losses	2,219		58,789		634		61,642		2,312		58,131		760		61,203
Allowance for unfunded commitments	—		3,141		—		3,141		—		3,410		—		3,410
Total allowance for credit losses	$	2,219	$	61,930	$	634	$	64,783	$	2,312	$	61,541	$	760	$	64,613

	Loans Outstanding
	March 31, 2019								December 31, 2018
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	17,238	$	1,594,226	$	8,604	$	1,620,068	$	17,602	$	1,620,450	$	9,852	$	1,647,904
Income producing commercial real estate	14,125		1,817,203		36,097		1,867,425		16,584		1,757,525		38,311		1,812,420
Commercial & industrial	1,701		1,281,823		341		1,283,865		1,621		1,276,318		408		1,278,347
Commercial construction	2,379		857,683		5,604		865,666		2,491		787,760		5,907		796,158
Equipment financing	—		599,243		6,741		605,984		—		556,672		7,942		564,614
Residential mortgage	15,453		1,039,582		8,805		1,063,840		14,220		1,025,862		9,150		1,049,232
Home equity lines of credit	255		682,047		1,469		683,771		276		692,122		1,612		694,010
Residential construction	1,340		198,787		581		200,708		1,207		209,070		734		211,011
Consumer direct	199		120,499		476		121,174		211		121,269		533		122,013
Indirect auto	1,104		179,649		—		180,753		1,237		206,455		—		207,692
Total loans	$	53,794	$	8,370,742	$	68,718	$	8,493,254	$	55,449	$	8,253,503	$	74,449	$	8,383,401

A loan is considered impaired when, based on current events and circumstances, it is probable that all amounts due according to the original contractual terms of the loan will not be collected. Management individually evaluates certain impaired loans, including all non-PCI relationships that are on nonaccrual with a balance of $500,000 or greater and all troubled debt restructurings (“TDRs”) regardless of accrual status, for impairment. Impairment is measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent. A specific reserve is established for impaired loans for the amount of calculated impairment, if any. Interest payments received on impaired nonaccrual loans are applied as a reduction of the recorded investment in the loan. For impaired loans not on nonaccrual status, interest is accrued according to the terms of the loan agreement. Loans are evaluated for impairment quarterly and specific reserves are established in the allowance for loan losses for any measured impairment.

Each quarter, management prepares an analysis of the allowance for credit losses to determine the appropriate balance that measures and quantifies the amount of probable incurred losses in the loan portfolio and unfunded loan commitments. The allowance is comprised of specific reserves on individually impaired loans, which are determined as described above, and general reserves which are determined based on historical loss experience as adjusted for current trends and economic conditions multiplied by a loss emergence period factor.

Management calculates the loss emergence period for each pool in the loan portfolio based on the weighted average length of time between the date a loan first exceeds 30 days past due and the date the loan is charged off.

On junior lien home equity loans, management has limited ability to monitor the delinquency status of the first lien unless the first lien is also held by United. As a result, management applies the weighted average historical loss factor for this category and appropriately adjusts it to reflect the increased risk of loss from these credits.

Management carefully reviews the resulting loss factors for each category of the loan portfolio and evaluates whether qualitative adjustments are necessary to take into consideration recent credit trends such as increases or decreases in past due, nonaccrual, criticized and classified loans, and other macro environmental factors such as changes in unemployment rates, employment rates, debt per capita, home price indices, and trends in real estate value indices.

Management believes that its method of determining the balance of the allowance for credit losses provides a reasonable and reliable basis for measuring and reporting losses that are incurred in the loan portfolio as of the reporting date.

When a loan officer determines that a loan is uncollectible, he or she is responsible for recommending that the loan be placed on nonaccrual status and evaluated for impairment, which, if necessary, could result in fully or partially charging off the loan or establishing a specific reserve. Full or partial charge-offs may also be recommended by the Collections Department, the Special Assets Department, the Loss Mitigation Department and the Foreclosure/OREO Department. Nonaccrual real estate loans are generally charged down to fair value of collateral less costs to sell at the time they are placed on nonaccrual status.

Commercial and consumer asset quality committees meet monthly to review charge-offs that have occurred during the previous month. Participants include the respective Chief Credit Officer, Senior Risk Officers and Senior Credit Officers.

Generally, closed-end retail loans (installment and residential mortgage loans) past due 90 cumulative days are written down to their collateral value less estimated selling costs. Open-end (revolving) unsecured retail loans which are past due 90 cumulative days from their contractual due date are generally charged-off.

The following table presents loans individually evaluated for impairment by class as of the dates indicated (in thousands).

	March 31, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated
With no related allowance recorded:
Owner occupied commercial real estate	$	8,159	$	6,089	$	—	$	8,650	$	6,546	$	—
Income producing commercial real estate	8,333		8,227		—		9,986		9,881		—
Commercial & industrial	522		360		—		525		370		—
Commercial construction	119		113		—		685		507		—
Equipment financing	—		—		—		—		—		—
Total commercial	17,133		14,789		—		19,846		17,304		—
Residential mortgage	6,513		5,890		—		5,787		5,202		—
Home equity lines of credit	275		215		—		330		234		—
Residential construction	753		624		—		554		428		—
Consumer direct	15		15		—		18		17		—
Indirect auto	142		130		—		294		292		—
Total with no related allowance recorded	24,831		21,663		—		26,829		23,477		—
With an allowance recorded:
Owner occupied commercial real estate	11,191		11,149		825		11,095		11,056		862
Income producing commercial real estate	6,166		5,898		280		6,968		6,703		402
Commercial & industrial	1,746		1,341		36		1,652		1,251		32
Commercial construction	2,503		2,266		68		2,130		1,984		71
Equipment financing	—		—		—		—		—		—
Total commercial	21,606		20,654		1,209		21,845		20,994		1,367
Residential mortgage	9,713		9,563		916		9,169		9,018		861
Home equity lines of credit	43		40		1		45		42		1
Residential construction	727		716		63		791		779		51
Consumer direct	189		184		5		199		194		6
Indirect auto	975		974		25		946		945		26
Total with an allowance recorded	33,253		32,131		2,219		32,995		31,972		2,312
Total	$	58,084	$	53,794	$	2,219	$	59,824	$	55,449	$	2,312

As of March 31, 2019 and December 31, 2018, $2.22 million and $2.31 million, respectively, of specific reserves were allocated to customers whose loan terms have been modified in TDRs. As of March 31, 2019 and December 31, 2018, there were no commitments to lend additional amounts to customers with outstanding loans that are classified as TDRs.

The modification of the TDR terms included one or a combination of the following: a reduction of the stated interest rate of the loan or an extension of the amortization period that would not otherwise be considered in the current market for new debt with similar risk characteristics; a restructuring of the borrower’s debt into an “A/B note structure” where the A note would fall within the borrower’s ability to pay and the remainder would be included in the B note; a mandated bankruptcy restructuring; or interest-only payment terms greater than 90 days where the borrower is unable to amortize the loan. Modified PCI loans are not accounted for as TDRs because they are not separated from the pools, and as such are not classified as impaired loans.

Loans modified under the terms of a TDR during the three months ended March 31, 2019 and 2018 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that defaulted (became 90 days or more delinquent) during the periods presented and were initially restructured within one year prior to default (dollars in thousands).

	New TDRs
		Pre-modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment by Type of Modification								TDRs Modified Within the Previous Twelve Months That Have Subsequently Defaulted
	Number of Contracts			Rate   Reduction		Structure		Other		Total		Number of   Contracts	Recorded   Investment
Three Months Ended March 31, 2019
Owner occupied commercial real estate	—	$	—	$	—	$	—	$	—	$	—	—	$	—
Income producing commercial real estate	1	169		—		169		—		169		—	—
Commercial & industrial	1	7		—		—		7		7		—	—
Commercial construction	—	—		—		—		—		—		—	—
Equipment financing	—	—		—		—		—		—		—	—
Total commercial	2	176		—		169		7		176		—	—
Residential mortgage	2	345		—		344		—		344		—	—
Home equity lines of credit	—	—		—		—		—		—		—	—
Residential construction	—	—		—		—		—		—		—	—
Consumer direct	—	—		—		—		—		—		—	—
Indirect auto	6	66		—		—		57		57		—	—
Total loans	10	$	587	$	—	$	513	$	64	$	577	—	$	—
Three Months Ended March 31, 2018
Owner occupied commercial real estate	3	$	994	$	—	$	978	$	—	$	978	2	$	1,586
Income producing commercial real estate	—	—		—		—		—		—		—	—
Commercial & industrial	1	81		—		5		—		5		—	—
Commercial construction	—	—		—		—		—		—		—	—
Equipment financing	—	—		—		—		—		—		—	—
Total commercial	4	1,075		—		983		—		983		2	1,586
Residential mortgage	2	340		—		340		—		340		—	—
Home equity lines of credit	—	—		—		—		—		—		—	—
Residential construction	—	—		—		—		—		—		—	—
Consumer direct	—	—		—		—		—		—		—	—
Indirect auto	—	—		—		—		—		—		—	—
Total loans	6	$	1,415	$	—	$	1,323	$	—	$	1,323	2	$	1,586

Collateral dependent TDRs that subsequently default or are placed on nonaccrual are charged down to the fair value of the collateral consistent with United’s policy for nonaccrual loans. Impairment on TDRs that are not collateral dependent continues to be measured based on discounted cash flows regardless of whether the loan has subsequently defaulted.

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired are presented below for the periods indicated (in thousands). 

	2019						2018
Three Months Ended March 31,	Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received		Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received
Owner occupied commercial real estate	$	17,410	$	285	$	284	$	24,658	$	245	$	280
Income producing commercial real estate	14,237		193		207		16,433		210		235
Commercial & industrial	1,716		19		19		2,596		40		42
Commercial construction	2,402		34		33		3,936		51		52
Equipment financing	—		—		—		—		—		—
Total commercial	35,765		531		543		47,623		546		609
Residential mortgage	15,502		168		174		14,993		149		150
Home equity lines of credit	258		4		3		344		4		4
Residential construction	1,408		24		23		1,590		24		24
Consumer direct	205		4		4		291		5		5
Indirect auto	1,190		14		14		1,378		18		18
Total	$	54,328	$	745	$	761	$	66,219	$	746	$	810

Nonaccrual and Past Due Loans

Nonaccrual loans include both homogeneous loans that are collectively evaluated for impairment and individually evaluated impaired loans. United’s policy is to place loans on nonaccrual status when, in the opinion of management, the principal and interest on a loan is not likely to be repaid in full or when the loan becomes 90 days past due and is not well secured and in the process of collection. When a loan is classified on nonaccrual status, interest previously accrued but not collected is reversed against current interest revenue. Principal and interest payments received on a nonaccrual loan are generally applied to reduce the loan’s recorded investment.

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 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 or pool of loans. 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.

The gross additional interest revenue that would have been earned if the loans classified as nonaccrual had performed in accordance with the original terms was approximately $378,000 and $342,000 for the three months ended March 31, 2019 and 2018, respectively.

The following table presents the recorded investment in nonaccrual loans by loan class as of the dates indicated (in thousands). 

	March 31, 2019		December 31, 2018
Owner occupied commercial real estate	$	7,030	$	6,421
Income producing commercial real estate	1,276		1,160
Commercial & industrial	1,666		1,417
Commercial construction	473		605
Equipment financing	1,813		2,677
Total commercial	12,258		12,280
Residential mortgage	8,281		8,035
Home equity lines of credit	2,233		2,360
Residential construction	347		288
Consumer direct	47		89
Indirect auto	458		726
Total	$	23,624	$	23,778

Excluding PCI loans, substantially all loans more than 90 days past due were on nonaccrual status at March 31, 2019 and December 31, 2018. The following table presents the aging of the recorded investment in past due loans by class of loans as of the dates indicated (in thousands).

	Loans Past Due
As of March 31, 2019	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		PCI Loans		Total
Owner occupied commercial real estate	$	4,644	$	1,142	$	3,328	$	9,114	$	1,602,350	$	8,604	$	1,620,068
Income producing commercial real estate	1,199		125		706		2,030		1,829,298		36,097		1,867,425
Commercial & industrial	2,649		790		937		4,376		1,279,148		341		1,283,865
Commercial construction	139		443		24		606		859,456		5,604		865,666
Equipment financing	1,809		894		1,722		4,425		594,818		6,741		605,984
Total commercial	10,440		3,394		6,717		20,551		6,165,070		57,387		6,243,008
Residential mortgage	4,862		1,511		1,292		7,665		1,047,370		8,805		1,063,840
Home equity lines of credit	2,355		634		528		3,517		678,785		1,469		683,771
Residential construction	574		132		154		860		199,267		581		200,708
Consumer direct	522		89		2		613		120,085		476		121,174
Indirect auto	711		185		416		1,312		179,441		—		180,753
Total loans	$	19,464	$	5,945	$	9,109	$	34,518	$	8,390,018	$	68,718	$	8,493,254

	Loans Past Due
As of December 31, 2018	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		PCI Loans		Total
Owner occupied commercial real estate	$	2,542	$	2,897	$	1,011	$	6,450	$	1,631,602	$	9,852	$	1,647,904
Income producing commercial real estate	1,624		291		301		2,216		1,771,893		38,311		1,812,420
Commercial & industrial	7,189		718		400		8,307		1,269,632		408		1,278,347
Commercial construction	267		—		68		335		789,916		5,907		796,158
Equipment financing	1,351		739		2,658		4,748		551,924		7,942		564,614
Total commercial	12,973		4,645		4,438		22,056		6,014,967		62,420		6,099,443
Residential mortgage	5,461		1,788		1,950		9,199		1,030,883		9,150		1,049,232
Home equity lines of credit	2,112		864		902		3,878		688,520		1,612		694,010
Residential construction	509		63		190		762		209,515		734		211,011
Consumer direct	600		82		21		703		120,777		533		122,013
Indirect auto	750		323		633		1,706		205,986		—		207,692
Total loans	$	22,405	$	7,765	$	8,134	$	38,304	$	8,270,648	$	74,449	$	8,383,401

Risk Ratings

United categorizes commercial loans, with the exception of equipment financing receivables, 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 industry and economic trends, among other factors. United analyzes loans individually by classifying the loans as to credit risk. This analysis is performed on a continual basis. United uses the following definitions for its risk ratings:

Watch. Loans in this category are presently protected from apparent loss; however, weaknesses exist that could cause future impairment, including the deterioration of financial ratios, past due status and questionable management capabilities. These loans require more than the ordinary amount of supervision. Collateral values generally afford adequate coverage, but may not be immediately marketable.

Substandard. These loans are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged. Specific and well-defined weaknesses exist that may include poor liquidity and deterioration of financial ratios. The loan may be past due and related deposit accounts experiencing overdrafts. There is the distinct possibility that United will sustain some loss if deficiencies are not corrected. If possible, immediate corrective action is taken.

Doubtful. Specific weaknesses characterized as Substandard that are severe enough to make collection in full highly questionable and improbable. There is no reliable secondary source of full repayment.

Loss. Loans categorized as Loss have the same characteristics as Doubtful; however, probability of loss is certain. Loans classified as Loss are charged off.

Equipment Financing Receivables and Consumer Purpose Loans. United applies a pass / fail grading system to all equipment financing receivables and consumer purpose loans. Under the pass / fail grading system, loans that become past due 90 days or are in bankruptcy are classified as “fail” and all other loans are classified as “pass”. For reporting purposes, loans in these categories that are classified as “fail” are reported in the substandard column and all other loans are reported in the “pass” column.

Loans not meeting the criteria above that are analyzed individually as part of the above described process are considered to be pass rated loans.

Based on the most recent analysis performed, the risk category of loans by class of loans as of the dates indicated is as follows (in thousands).

	Pass		Watch		Substandard		Doubtful / Loss		Total
As of March 31, 2019
Owner occupied commercial real estate	$	1,557,510	$	17,511	$	36,443	$	—	$	1,611,464
Income producing commercial real estate	1,789,063		22,548		19,717		—		1,831,328
Commercial & industrial	1,253,268		7,517		22,739		—		1,283,524
Commercial construction	846,902		6,767		6,393		—		860,062
Equipment financing	597,430		—		1,813		—		599,243
Total commercial	6,044,173		54,343		87,105		—		6,185,621
Residential mortgage	1,043,447		—		11,588		—		1,055,035
Home equity lines of credit	678,578		—		3,724		—		682,302
Residential construction	199,570		—		557		—		200,127
Consumer direct	120,465		—		233		—		120,698
Indirect auto	178,740		—		2,013		—		180,753
Total loans, excluding PCI loans	8,264,973		54,343		105,220		—		8,424,536
Owner occupied commercial real estate	2,803		2,781		3,020		—		8,604
Income producing commercial real estate	23,872		11,389		836		—		36,097
Commercial & industrial	246		43		52		—		341
Commercial construction	3,340		165		2,099		—		5,604
Equipment financing	6,626		—		115		—		6,741
Total commercial	36,887		14,378		6,122		—		57,387
Residential mortgage	6,512		—		2,293		—		8,805
Home equity lines of credit	1,350		—		119		—		1,469
Residential construction	542		—		39		—		581
Consumer direct	440		—		36		—		476
Indirect auto	—		—		—		—		—
Total PCI loans	45,731		14,378		8,609		—		68,718
Total loan portfolio	$	8,310,704	$	68,721	$	113,829	$	—	$	8,493,254
As of December 31, 2018
Owner occupied commercial real estate	$	1,585,797	$	16,651	$	35,604	$	—	$	1,638,052
Income producing commercial real estate	1,735,456		20,923		17,730		—		1,774,109
Commercial & industrial	1,247,206		8,430		22,303		—		1,277,939
Commercial construction	777,780		4,533		7,938		—		790,251
Equipment financing	553,995		—		2,677		—		556,672
Total commercial	5,900,234		50,537		86,252		—		6,037,023
Residential mortgage	1,028,660		—		11,422		—		1,040,082
Home equity lines of credit	688,493		—		3,905		—		692,398
Residential construction	209,744		—		533		—		210,277
Consumer direct	121,247		19		214		—		121,480
Indirect auto	205,632		—		2,060		—		207,692
Total loans, excluding PCI loans	8,154,010		50,556		104,386		—		8,308,952
Owner occupied commercial real estate	3,352		2,774		3,726		—		9,852
Income producing commercial real estate	23,430		13,403		1,478		—		38,311
Commercial & industrial	266		48		94		—		408
Commercial construction	3,503		188		2,216		—		5,907
Equipment financing	7,725		—		217		—		7,942
Total commercial	38,276		16,413		7,731		—		62,420
Residential mortgage	6,914		—		2,236		—		9,150
Home equity lines of credit	1,492		—		120		—		1,612
Residential construction	687		—		47		—		734
Consumer direct	493		—		40		—		533
Indirect auto	—		—		—		—		—
Total PCI loans	47,862		16,413		10,174		—		74,449
Total loan portfolio	$	8,201,872	$	66,969	$	114,560	$	—	$	8,383,401

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Reclassifications Out of Accumulated Other Comprehensive Income

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Reclassifications Out of Accumulated Other Comprehensive Income

Reclassifications Out of Accumulated Other Comprehensive Income

The following table presents the details regarding amounts reclassified out of accumulated other comprehensive income for the periods indicated (in thousands).

Details about Accumulated Other Comprehensive Income Components	Three Months Ended March 31,						Affected Line Item in the Statement Where Net Income is Presented
	2019			2018
Realized losses on available-for-sale securities:
	$	(267	)	$	(940	)	Securities losses, net
	68			221			Income tax benefit
	$	(199	)	$	(719	)	Net of tax
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity:
	$	(84	)	$	(222	)	Investment securities interest revenue
	20			54			Income tax benefit
	$	(64	)	$	(168	)	Net of tax
Amortization of losses included in net income on derivative financial instruments accounted for as cash flow hedges:
Amortization of losses on de-designated positions	$	(102	)	$	(147	)	Money market deposit interest expense
	26			38			Income tax benefit
	$	(76	)	$	(109	)	Net of tax
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan:
Prior service cost	$	(159	)	$	(167	)	Salaries and employee benefits expense
Actuarial losses	(15		)	—			Other expense
Actuarial losses	—			(60		)	Salaries and employee benefits expense
	(174		)	(227		)	Total before tax
	44			58			Income tax benefit
	$	(130	)	$	(169	)	Net of tax
Total reclassifications for the period	$	(469	)	$	(1,165	)	Net of tax

Amounts shown above in parentheses reduce earnings.

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Earnings Per Share

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data).

	Three Months Ended March 31,
	2019			2018
Net income	$	44,262		$	37,658
Dividends and undistributed earnings allocated to unvested shares	(315		)	(277		)
Net income available to common shareholders	$	43,947		$	37,381
Weighted average shares outstanding:
Basic	79,807			79,205
Effect of dilutive securities
Stock options	3			10
Restricted stock units	3			—
Diluted	79,813			79,215
Net income per common share:
Basic	$	0.55		$	0.47
Diluted	$	0.55		$	0.47

At March 31, 2019, United excluded 31,812 potentially dilutive shares of common stock issuable upon exercise of stock options with a weighted average exercise price of $31.47 from the computation of diluted earnings per share because of their antidilutive effect.

At March 31, 2018, United had the following potentially dilutive stock options and warrants outstanding: a warrant to purchase 219,909 shares of common stock at $61.40 per share; 32,464 shares of common stock issuable upon exercise of stock options granted to employees with a weighted average exercise price of $31.50.

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Derivatives and Hedging Activities

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

Risk Management Objective of Using Derivatives

United is exposed to certain risks arising from both its business operations and economic conditions. United principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. United manages interest rate risk through a combination of pricing and term structure of deposit product offerings, the amount and duration of its investment securities portfolio and wholesale funding, and through the use of derivative financial instruments. Specifically, United enters into derivative financial instruments to manage interest rate risk exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Derivative financial instruments are used to manage differences in the amount, timing, and duration of known or expected cash receipts and known or expected cash payments principally related to loans, investment securities, wholesale borrowings and deposits.

In conjunction with the FASB’s fair value measurement guidance, United made an accounting policy election to measure the credit risk of its derivative financial instruments that are subject to master netting arrangements on a gross basis.

United clears certain derivatives centrally through the Chicago Mercantile Exchange (“CME”). CME rules legally characterize variation margin payments for centrally cleared derivatives as settlements of the derivatives’ exposure rather than as collateral. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting purposes. Variation margin, as determined by the CME, is settled daily. As a result, derivative contracts that clear through the CME have an estimated fair value of zero. The table below presents the fair value of derivative financial instruments as of the dates indicated as well as their classification on the consolidated balance sheets (in thousands):

Derivatives designated as hedging instruments under ASC 815

Interest Rate Products	Balance Sheet Location	March 31, 2019		December 31, 2018
Fair value hedge of brokered CDs	Derivative liabilities	$	1,251	$	1,682
		$	1,251	$	1,682

Derivatives not designated as hedging instruments under ASC 815

Interest Rate Products	Balance Sheet Location	March 31, 2019		December 31, 2018
Customer derivative positions	Derivative assets	$	12,658	$	5,216
Dealer offsets to customer derivative positions	Derivative assets	3,691		7,620
Mortgage banking - loan commitment	Derivative assets	1,796		1,190
Mortgage banking - forward sales commitment	Derivative assets	14		28
Bifurcated embedded derivatives	Derivative assets	7,765		10,651
		$	25,924	$	24,705
Customer derivative positions	Derivative liabilities	$	4,118	$	9,661
Dealer offsets to customer derivative positions	Derivative liabilities	2,744		781
Risk participations	Derivative liabilities	6		8
Mortgage banking - forward sales commitment	Derivative liabilities	483		259
Dealer offsets to bifurcated embedded derivatives	Derivative liabilities	10,187		13,339
De-designated hedges	Derivative liabilities	—		703
		$	17,538	$	24,751

Customer derivative positions are between United and certain commercial loan customers with offsetting positions to dealers under a back-to-back swap/cap program. United also has three interest rate swap contracts that are not designated as hedging instruments but are economic hedges of market-linked brokered certificates of deposit. The market-linked brokered certificates of deposit contain embedded derivatives that are bifurcated from the host instruments and are marked to market through earnings. The fair value marks on the market linked swaps and the bifurcated embedded derivatives tend to move in opposite directions with changes in 90-day London Interbank Offered Rate (“LIBOR”) and therefore provide an economic hedge.

To accommodate customers, United occasionally enters into credit risk participation agreements with counterparty banks to accept a portion of the credit risk related to interest rate swaps. This allows customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members. Credit risk participation agreements arise when United contracts with other financial institutions, as a guarantor, to share credit risk associated with certain interest rate swaps. These agreements provide for reimbursement of losses resulting from a third party default on the underlying swap. These transactions are typically executed in conjunction with a participation in a loan with the same customer. Collateral used to support the credit risk for the underlying lending relationship is also available to offset the risk of the credit risk participation.

In addition, United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the loan is funded and eventually sold, United is subject to the risk of variability in market prices. United enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments. United accounts for most newly originated mortgage loans at fair value pursuant to the fair value option, and these loans are not reflected in the table above. Fair value adjustments on these derivative instruments are recorded within mortgage loan and other related fee income in the consolidated statements of income. 

Cash Flow Hedges of Interest Rate Risk

At March 31, 2019 and December 31, 2018 United did not have any active cash flow hedges. Changes in balance sheet composition and interest rate risk position made cash flow hedges not currently necessary as protection against rising interest rates. The loss remaining in other comprehensive income from prior hedges that have been de-designated is being amortized into earnings over the original term of the swaps as the forecasted transactions that the swaps were originally designated to hedge are still expected to occur. Amortization of the loss on the de-designated hedges was the only effect of cash flow hedges on the consolidated statements of income for the three months ended March 31, 2019 and 2018. See Note 6 for further detail. United expects that $118,000 will be reclassified as an increase to interest expense over the next twelve months related to these cash flow hedges.

Fair Value Hedges of Interest Rate Risk

United is exposed to changes in the fair value of certain of its fixed-rate obligations due to changes in interest rates. United uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in interest rates. Interest rate swaps designated as fair value hedges of brokered deposits involve the receipt of fixed-rate amounts from a counterparty in exchange for United making variable rate payments over the life of the agreements without the exchange of the underlying notional amount. Interest rate swaps designated as fair value hedges of fixed-rate investments involve the receipt of variable-rate payments from a counterparty in exchange for United making fixed-rate payments over the life of the instrument without the exchange of the underlying notional amount. At March 31, 2019, United had four interest rate swaps with a notional amount of $38.0 million that were designated as fair value hedges of interest rate risk and were pay-variable / receive-fixed swaps hedging the changes in the fair value of fixed-rate brokered time deposits resulting from changes in interest rates. As of March 31, 2019, the hedged brokered time deposits, which were included in brokered deposits on the consolidated balance sheet, had a carrying value of $36.0 million, which included cumulative fair value hedging adjustments of $1.38 million. At December 31, 2018, United had four interest rate swaps with an aggregate notional amount of $39.0 million that were designated as fair value hedges of interest rate risk and were pay-variable / receive-fixed, hedging the changes in the fair value of fixed-rate brokered time deposits resulting from changes in interest rates.

For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in earnings. United includes the gain or loss on the hedged items in the same income statement line item as the offsetting loss or gain on the related derivatives. During the three months ended March 31, 2019, and March 31, 2018, United recognized net losses of $11,000 and $79,000, respectively, related to ineffectiveness in the fair value hedging relationships. United also recognized a net increase in interest expense of $101,000 for the three months ended March 31, 2019 and a net increase in interest expense of $14,000 for the three months ended March 31, 2018 related to fair value hedges of brokered time deposits, which includes net settlements on the derivatives. United recognized an increase in interest revenue on securities during the three months ended March 31, 2018 of $17,000 related to fair value hedges of corporate bonds which were terminated during the first quarter of 2018.

The table below presents the effect of derivatives in fair value hedging relationships on the consolidated statement of income for the periods indicated (in thousands). 

	Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative					Amount of Gain (Loss) Recognized in Income on Hedged Item
		2019		2018			2019			2018
Three Months Ended March 31,
Fair value hedges of brokered CDs	Interest expense	$	451	$	(693	)	$	(462	)	$	545
Fair value hedges of corporate bonds	Interest revenue	—		(336		)	—			405
		$	451	$	(1,029	)	$	(462	)	$	950

In certain cases, the estate of deceased brokered certificate of deposit holders may put the certificate of deposit back to United at par upon the death of the holder. When these estate puts occur, a gain or loss is recognized for the difference between the fair value and the par amount of the deposits put back. The change in the fair value of brokered time deposits that are being hedged in fair value hedging relationships reported in the table above includes gains and losses from estate puts and such gains and losses are included in the amount of reported ineffectiveness gains or losses.

Derivatives Not Designated as Hedging Instruments under ASC 815

The table below presents the gains and losses recognized in income on derivatives not designated as hedging instruments under ASC 815 for the periods indicated (in thousands). 

	Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		2019			2018
Three Months Ended March 31,
Customer derivatives and dealer offsets	Other noninterest income	$	503		$	772
Bifurcated embedded derivatives and dealer offsets	Other noninterest income	218			370
Interest rate caps	Other noninterest income	—			276
De-designated hedges	Other noninterest income	(193		)	(67		)
Mortgage banking derivatives	Mortgage loan revenue	(190		)	1,264
Risk participations	Other noninterest income	2			(2		)
		$	340		$	2,613

Credit-Risk-Related Contingent Features

United manages its credit exposure on derivatives transactions by entering into a bilateral credit support agreement with each non-customer counterparty. The credit support agreements require collateralization of exposures beyond specified minimum threshold amounts. The details of these agreements, including the minimum thresholds, vary by counterparty. As of March 31, 2019, collateral totaling $11.9 million was pledged toward derivatives in a liability position.

United’s agreements with each of its derivative counterparties contain a provision where if either party defaults on any of its indebtedness, then it could also be declared in default on its derivative obligations. The agreements with derivatives counterparties also include provisions that if not met, could result in United being declared in default. United has agreements with certain of its derivative counterparties that contain a provision where if United fails to maintain its status as a well-capitalized institution or is subject to a prompt corrective action directive, the counterparty could terminate the derivative positions and United would be required to settle its obligations under the agreements. Derivatives that are centrally cleared do not have credit-risk-related features that would require additional collateral if United’s credit rating were downgraded.

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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

United has an equity compensation plan that allows for grants of incentive stock options, nonqualified stock options, restricted stock and restricted stock unit awards (also referred to as “nonvested stock” awards), stock awards, performance share awards or stock appreciation rights. Options granted under the plan have had an exercise price no less than the fair market value of the underlying stock at the date of grant. The general terms of the plan include a vesting period (usually four years, although certain acquisition-related performance grants may have up to ten years) with an exercisable period not to exceed ten years. Certain options, restricted stock and restricted stock unit awards provide for accelerated vesting if there is a change in control (as defined in the plan). Through March 31, 2019, incentive stock options, nonqualified stock options, restricted stock and restricted stock unit awards, base salary stock grants and performance share awards have been granted under the plan. As of March 31, 2019, 1.53 million additional awards remained available for grant under the plan.

The following table shows stock option activity for the first three months of 2019.

Options	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2018	47,139		$	27.07
Exercised	(12,000	)	16.44
Cancelled/forfeited	(504	)	31.50
Expired	(1,023	)	29.45
Outstanding at March 31, 2019	33,612		30.72		0.4	$	13
Exercisable at March 31, 2019	33,612		30.72		0.4	13

The fair value of each option is estimated on the date of grant using the Black-Scholes model. No stock options were granted during the three months ended March 31, 2019 and 2018.

United recognized $6,000 in compensation expense related to stock options during the three months ended March 31, 2018, and no compensation expense related to stock options in the same period of 2019. The amount of compensation expense was determined based on the fair value of the options at the time of grant, multiplied by the number of options granted that were expected to vest, which was then amortized over the vesting period.

The table below presents restricted stock units activity for the first three months of 2019.

Restricted Stock Unit Awards	Shares		Weighted- Average Grant- Date Fair Value		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2018	759,746		$	27.66
Granted	37,994		25.67
Vested	(46,628	)	25.72			$	1,322
Cancelled	(14,284	)	25.30
Outstanding at March 31, 2019	736,828		27.72		4.2	18,369

Compensation expense for restricted stock units without market conditions is based on the market value of United’s common stock on the date of grant. United recognizes the impact of forfeitures as they occur. The value of restricted stock unit awards is amortized into expense over the service period. For the three months ended March 31, 2019 and 2018, compensation expense of $1.91 million and $1.07 million, respectively, was recognized related to restricted stock unit awards granted to United employees. In addition, for the three months ended March 31, 2019 and 2018, $72,000 and $68,000, respectively, was recognized in other operating expense for restricted stock unit awards granted to members of United’s board of directors.

A deferred income tax benefit related to expense for options and restricted stock of $507,000 and $296,000 was included in the determination of income tax expense for the three months ended March 31, 2019 and 2018, respectively. As of March 31, 2019, there was $15.7 million of unrecognized expense related to non-vested restricted stock unit awards granted under the plan. That cost is expected to be recognized over a weighted-average period of 2.4 years. As of March 31, 2019, there was no unrecognized expense related to non-vested stock options granted under the plan.

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Common Stock

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Common Stock

Common Stock

In November of 2018, United’s Board of Directors approved an increase and extension of the existing common stock repurchase plan through December 31, 2019. Under the program, up to $50 million may be repurchased periodically in open market transactions at prevailing market prices, in privately negotiated transactions, or by other means in accordance with federal securities laws. The actual timing, number and value of shares repurchased depends on a number of factors, including the market price of United’s common stock, general market and economic conditions, and applicable legal requirements. During the three months ended March 31, 2019, 305,052 shares were repurchased under the program. During the three months ended March 31, 2018, no shares were repurchased under the program. As of March 31, 2019, United had remaining authorization to repurchase up to $42.2 million of outstanding common stock under the program.

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Income Taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The income tax provision for the three months ended March 31, 2019 and March 31, 2018 was $13.0 million and $10.7 million, respectively, which represents an effective tax rate of 22.6% and 22.2%, respectively.

At March 31, 2019 and December 31, 2018, United maintained a valuation allowance on its net deferred tax asset of $3.37 million. Management assesses the valuation allowance recorded against its net deferred tax asset at each reporting period. The determination of whether a valuation allowance for its net deferred tax asset is appropriate is subject to considerable judgment and requires an evaluation of all the positive and negative evidence.

The valuation allowance could fluctuate in future periods based on the assessment of the positive and negative evidence. Management’s conclusion at March 31, 2019 that it was more likely than not that the net deferred tax asset of $51.1 million will be realized is based upon management’s estimate of future taxable income. Management’s estimate of future taxable income is based on internal forecasts that consider historical performance, various internal estimates and assumptions, as well as certain external data all of which management believes to be reasonable although inherently subject to significant judgment. If actual results differ significantly from the current estimates of future taxable income, even if caused by adverse macro-economic conditions, the valuation allowance may need to be increased for some or all of the net deferred tax asset.

United is subject to income taxation in the United States and various state jurisdictions. United’s federal and state income tax returns are filed on a consolidated basis. Currently, no years for which United filed a federal income tax return are under examination by the IRS, and there are no state tax examinations currently in progress. United is no longer subject to income tax examinations from state and local income tax authorities for years before 2015. Although it is not possible to know the ultimate outcome of future examinations, management believes that the liability recorded for uncertain tax positions is appropriate. At March 31, 2019 and December 31, 2018, unrecognized income tax benefits totaled $3.39 million and $3.26 million, respectively.

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Assets and Liabilities Measured at Fair Value

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value

Assets and Liabilities Measured at Fair Value

Fair value measurements are determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, United uses a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). United has processes in place to review the significant valuation inputs and to reassess how the instruments are classified in the valuation framework.

Fair Value Hierarchy

Level 1 Valuation is based upon quoted prices (unadjusted) in active markets for identical assets or liabilities that United has the ability to access.

Level 2 Valuation is based upon quoted prices for similar assets and liabilities in active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals.

Level 3 Valuation is generated from model-based techniques that use at least one significant assumption based on unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity.

In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. The assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.

The following is a description of the valuation methodologies used for assets and liabilities recorded at fair value.

Investment Securities

Debt securities available-for-sale and equity securities with readily determinable fair values are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds, corporate debt securities and asset-backed securities and are valued based on observable inputs that include: quoted market prices for similar assets, quoted market prices that are not in an active market, or other inputs that are observable in the market and can be corroborated by observable market data for substantially the full term of the securities. Securities classified as Level 3 include those traded in less liquid markets and are valued based on estimates obtained from broker-dealers that are not directly observable.

Deferred Compensation Plan Assets and Liabilities

Included in other assets in the consolidated balance sheet are assets related to employee deferred compensation plans. The assets associated with these plans are invested in mutual funds and classified as Level 1. Deferred compensation liabilities, also classified as Level 1, are carried at the fair value of the obligation to the employee, which mirrors the fair value of the invested assets and is included in other liabilities in the consolidated balance sheet.

Mortgage Loans Held for Sale

United has elected the fair value option for most of its newly originated mortgage loans held for sale in order to reduce certain timing differences and better match changes in fair values of the loans with changes in the value of derivative instruments used to economically hedge them. The fair value of mortgage loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan (Level 2).

Loans

United does not record loans at fair value on a recurring basis. However, from time to time, a loan is considered impaired and an allowance for credit losses is established. Loans for which it is probable that payment of interest and principal will not be made in accordance with the contractual terms of the loan agreement are considered impaired. Once a loan is identified as individually impaired, management measures impairment based on the present value of expected future cash flows discounted at the loan’s effective interest rate, except that as a practical expedient, a creditor may measure impairment based on a loan’s observable market price, or the fair value of the collateral if repayment of the loan is dependent upon the sale of the underlying collateral.

Those impaired loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. In accordance with ASC 820, Fair Value Measures and Disclosures, impaired loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value, United records the impaired loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value and there is no observable market price, United records the impaired loan as nonrecurring Level 3.

Derivative Financial Instruments

United uses interest rate swaps and interest rate floors to manage its interest rate risk. The valuation of these instruments is typically determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. The fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts and the discounted expected variable cash payments. The variable cash payments are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. United also uses best effort and mandatory delivery forward loan sale commitments to hedge risk in its mortgage lending business.

To comply with the provisions of ASC 820, United incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, United has considered the effect of netting and any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and guarantees.

Although management has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, management had assessed the significance of the effect of the credit valuation adjustments on the overall valuation of its derivative positions and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivatives. Derivatives classified as Level 3 included structured derivatives for which broker quotes, used as a key valuation input, were not observable consistent with a Level 2 disclosure. The fair value of risk participations incorporates Level 3 inputs to evaluate the likelihood of customer default. The fair value of interest rate lock commitments, which is related to mortgage loan commitments, is categorized as Level 3 based on unobservable inputs for commitments that United does not expect to fund.

Servicing Rights for SBA/USDA Loans

United recognizes servicing rights upon the sale of SBA/USDA loans sold with servicing retained. Management has elected to carry this asset at fair value. Given the nature of the asset, the key valuation inputs are unobservable and management classifies this asset as Level 3.

Residential Mortgage Servicing Rights

United recognizes servicing rights upon the sale of residential mortgage loans sold with servicing retained. Management has elected to carry this asset at fair value. Given the nature of the asset, the key valuation inputs are unobservable and management classifies this asset as Level 3.

Pension Plan Assets

For information on the fair value of pension plan assets, see Note 17 in the Annual Report on Form 10-K for the year ended December 31, 2018.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis as of the dates indicated, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands).

March 31, 2019	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale:
U.S. Treasuries	$	141,855	$	—	$	—	$	141,855
U.S. Government agencies	—		5,101		—		5,101
State and political subdivisions	—		222,180		—		222,180
Residential mortgage-backed securities	—		1,414,085		—		1,414,085
Commercial mortgage-backed securities	—		343,339		—		343,339
Corporate bonds	—		199,681		995		200,676
Asset-backed securities	—		127,389		—		127,389
Equity securities with readily available fair values	910		—		—		910
Mortgage loans held for sale	—		26,341		—		26,341
Deferred compensation plan assets	7,129		—		—		7,129
Servicing rights for SBA/USDA loans	—		—		7,401		7,401
Residential mortgage servicing rights	—		—		11,447		11,447
Derivative financial instruments	—		16,363		9,561		25,924
Total assets	$	149,894	$	2,354,479	$	29,404	$	2,533,777
Liabilities:
Deferred compensation plan liability	$	7,129	$	—	$	—	$	7,129
Derivative financial instruments	—		7,345		11,444		18,789
Total liabilities	$	7,129	$	7,345	$	11,444	$	25,918

December 31, 2018	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale
U.S. Treasuries	$	149,307	$	—	$	—	$	149,307
U.S. Agencies	—		25,553		—		25,553
State and political subdivisions	—		233,941		—		233,941
Residential mortgage-backed securities	—		1,445,910		—		1,445,910
Commercial mortgage-backed securities	—		391,917		—		391,917
Corporate bonds	—		198,168		995		199,163
Asset-backed securities	—		182,676		—		182,676
Equity securities with readily available fair values	1,076		—		—		1,076
Mortgage loans held for sale	—		18,935		—		18,935
Deferred compensation plan assets	6,404		—		—		6,404
Servicing rights for SBA/USDA loans	—		—		7,510		7,510
Residential mortgage servicing rights	—		—		11,877		11,877
Derivative financial instruments	—		12,864		11,841		24,705
Total assets	$	156,787	$	2,509,964	$	32,223	$	2,698,974
Liabilities:
Deferred compensation plan liability	$	6,404	$	—	$	—	$	6,404
Derivative financial instruments	—		10,701		15,732		26,433
Total liabilities	$	6,404	$	10,701	$	15,732	$	32,837

The following table shows a reconciliation of the beginning and ending balances for the periods indicated for assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands).

	Derivative Asset			Derivative Liability			Servicing rights for SBA/USDA loans			Residential mortgage servicing rights			Debt Securities Available-for-Sale
Three Months Ended March 31, 2019
Balance at beginning of period	$	11,841		$	15,732		$	7,510		$	11,877		$	995
Additions	—			—			375			863			—
Sales and settlements	(1,135		)	(2,330		)	(363		)	(150		)	—
Amounts included in earnings - fair value adjustments	(1,145		)	(1,958		)	(121		)	(1,143		)	—
Balance at end of period	$	9,561		$	11,444		$	7,401		$	11,447		$	995
Three Months Ended March 31, 2018
Balance at beginning of period	$	12,207		$	16,744		$	7,740		$	8,262		$	900
Business combinations	—			—			(354		)	—			—
Additions	—			—			479			926			—
Sales and settlements	(1,029		)	(1,347		)	(91		)	(80		)	—
Amounts included in earnings - fair value adjustments	2,699			2,391			(304		)	610			—
Balance at end of period	$	13,877		$	17,788		$	7,470		$	9,718		$	900

The following table presents quantitative information about Level 3 fair value measurements for fair value on a recurring basis as of the dates indicated (in thousands). 

	Fair Value						Weighted Average
Level 3 Assets and Liabilities	March 31, 2019		December 31, 2018		Valuation Technique		March 31, 2019		December 31, 2018
						Unobservable Inputs
Servicing rights for SBA/USDA loans	$	7,401	$	7,510	Discounted cash flow	Discount rate	13.6	%	14.5	%
						Prepayment rate	12.5	%	12.1	%
Residential mortgage servicing rights	11,447		11,877		Discounted cash flow	Discount rate	10.0	%	10.0	%
						Prepayment rate	12.8	%	10.6	%
Corporate bonds	995		995		Indicative bid provided by a broker	Multiple factors, including but not limited to, current operations, financial condition, cash flows, and recently executed financing transactions related to the company	N/A		N/A
Derivative assets - mortgage	1,796		1,190		Internal model	Pull through rate	78.9	%	80.7	%
Derivative assets - other	7,765		10,651		Dealer priced	Dealer priced	N/A		N/A
Derivative liabilities - risk participations	6		8		Internal model	Probable exposure rate	0.37	%	0.44	%
						Probability of default rate	1.80	%	1.80	%
Derivative liabilities - other	11,438		15,724		Dealer priced	Dealer priced	N/A		N/A

Fair Value Option

At March 31, 2019, mortgage loans held for sale for which the fair value option was elected had an aggregate fair value and outstanding principal balance of $26.3 million and $25.3 million, respectively. At December 31, 2018, mortgage loans held for sale for which the fair value option was elected had an aggregate fair value and outstanding principal balance of $18.9 million and $18.2 million, respectively. Interest income on these loans is calculated based on the note rate of the loan and is recorded in interest revenue. During the three months ended March 31, 2019, changes in fair value of these loans resulted in net gains of $306,000. During the three months ended March 31, 2018, changes in fair value of these loans resulted in net losses of $72,000. Gains and losses resulting from the change in fair value of these loans are recorded in mortgage loan and other related fees. These changes in fair value were mostly offset by hedging activities. An immaterial portion of these amounts was attributable to changes in instrument-specific credit risk.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

United may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis. These adjustments to fair value usually result from the application of the lower of the amortized cost or fair value accounting or write-downs of individual assets due to impairment. The following table presents the fair value hierarchy and carrying value of all assets that were still held as of March 31, 2019 and December 31, 2018, for which a nonrecurring fair value adjustment was recorded during the year-to-date periods presented (in thousands).

	Level 1		Level 2		Level 3		Total
March 31, 2019
Loans	$	—	$	—	$	1,286	$	1,286
December 31, 2018
Loans	$	—	$	—	$	8,631	$	8,631

Loans that are reported above as being measured at fair value on a nonrecurring basis are generally impaired loans that have either been partially charged off or have specific reserves assigned to them. Nonaccrual impaired loans that are collateral dependent are generally written down to 80% of appraised value which considers the estimated costs to sell. Specific reserves are established for impaired loans based on appraised value of collateral or discounted cash flows, although only those specific reserves based on the fair value of collateral are considered nonrecurring fair value adjustments.

Assets and Liabilities Not Measured at Fair Value

For financial instruments that have quoted market prices, those quotes are used to determine fair value. Financial instruments that have no defined maturity, have a remaining maturity of 180 days or less, or reprice frequently to a market rate, are assumed to have a fair value that approximates reported book value, after taking into consideration any applicable credit risk. If no market quotes are available, financial instruments are valued by discounting the expected cash flows using an estimated current market interest rate for the financial instrument. For off-balance sheet derivative instruments, fair value is estimated as the amount that United would receive or pay to terminate the contracts at the reporting date, taking into account the current unrealized gains or losses on open contracts.

Cash and cash equivalents and repurchase agreements have short maturities and therefore the carrying value approximates fair value. Due to the short-term settlement of accrued interest receivable and payable, the carrying amount closely approximates fair value.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect the premium or discount on any particular financial instrument that could result from the sale of United’s entire holdings. All estimates are inherently subjective in nature. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial instruments include the mortgage banking operation, brokerage network, deferred income taxes, premises and equipment and goodwill. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

Off-balance sheet instruments (commitments to extend credit and standby letters of credit) for which draws can be reasonably predicted are generally short-term in maturity and are priced at variable rates. Therefore, the estimated fair value associated with these instruments is immaterial.

The carrying amount and fair values as of the dates indicated for other financial instruments that are not measured at fair value on a recurring basis are as follows (in thousands).

			Fair Value Level
	Carrying Amount		Level 1		Level 2		Level 3		Total
March 31, 2019
Assets:
Securities held to maturity	$	265,329	$	—	$	265,117	$	—	$	265,117
Loans and leases, net	8,431,612		—		—		8,401,018		8,401,018
Liabilities:
Deposits	10,534,306		—		10,527,436		—		10,527,436
Federal Home Loan Bank advances	40,000		—		39,998		—		39,998
Long-term debt	257,259		—		—		266,468		266,468
December 31, 2018
Assets:
Securities held to maturity	$	274,407	$	—	$	268,803	$	—	$	268,803
Loans and leases, net	8,322,198		—		—		8,277,387		8,277,387
Liabilities:
Deposits	10,534,513		—		10,528,834		—		10,528,834
Federal Home Loan Bank advances	160,000		—		159,988		—		159,988
Long-term debt	267,189		—		—		278,996		278,996

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

United is party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and letters of credit. These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the balance sheet. The contract amounts of these instruments reflect the extent of involvement United has in particular classes of financial instruments. The exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and letters of credit written is represented by the contractual amount of these instruments. United uses the same credit policies in making commitments and conditional obligations as it uses for underwriting on-balance sheet instruments. In most cases, collateral or other security is required to support financial instruments with credit risk.

The following table summarizes the contractual amount of off-balance sheet instruments as of the dates indicated (in thousands).

	March 31, 2019		December 31, 2018
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	2,053,155	$	2,129,463
Letters of credit	26,867		25,447

United’s wholly-owned bank subsidiary, United Community Bank (the “Bank”), holds minor investments in certain limited partnerships for Community Reinvestment Act purposes. As of March 31, 2019, the Bank had committed to fund an additional $7.93 million related to future capital calls that had not been reflected in the consolidated balance sheet.

United, in the normal course of business, is subject to various pending and threatened lawsuits in which claims for monetary damages are asserted.  Although it is not possible to predict the outcome of these lawsuits, or the range of any possible loss, management, after consultation with legal counsel, does not anticipate that the ultimate aggregate liability, if any, arising from these lawsuits will have a material adverse effect on United’s financial position or results of operations.

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Operating Leases

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Operating Leases

Operating Leases

United’s leases for which it is the lessee consist of operating leases for land, buildings, and equipment. Payments related to these leases consist primarily of base rent and, in the case of building leases, additional operating costs associated with the leased property such as common area maintenance and utilities. In most cases these operating costs vary over the term of the lease, and therefore are classified as variable lease costs, which are recognized as incurred in the consolidated statement of income. In addition, certain operating leases include costs such as property taxes and insurance, which are recognized as incurred in the consolidated statement of income. Many of United’s operating leases contain renewal options, most of which are excluded from the measurement of the right-of-use asset and lease liability as they are not reasonably certain to be exercised. United also subleases and leases certain real estate properties to third parties under operating leases. As of March 31, 2019, United had a right-of-use asset and lease liability of $22.7 million and $25.2 million, respectively, included in other assets and other liabilities, respectively, on the balance sheet.

The table below presents the operating lease income and expense recognized for the period indicated and other supplemental information (in thousands).

	Income Statement Location	Three Months Ended March 31, 2019
Operating lease cost	Occupancy expense	$	1,258
Variable lease cost	Occupancy expense	111
Short-term lease cost	Occupancy expense	19
Sublease income	Occupancy expense	(149		)
Net lease cost		$	1,239
Rental income from owned properties under operating leases	Other noninterest income	$	216
Operating cash flows from operating leases		$	1,348

As of March 31, 2019 the weighted average remaining lease term and weighted average discount rate of operating leases was 6.03 years and 2.80%, respectively. Absent a readily determinable interest rate in the lease agreement, the discount rate applied to each individual lease obligation was the Bank’s incremental borrowing rate for secured borrowings.

As of March 31, 2019 future minimum lease payments under operating leases were as follows (in thousands):

Year
Remainder of 2019	$	3,627
2020	5,253
2021	4,983
2022	4,553
2023	3,979
Thereafter	5,092
Total	27,487
Less discount	(2,287		)
Present value of lease liability	$	25,200

As discussed in Note 2, United adopted Topic 842 using the modified retrospective method with a cumulative effect adjustment to shareholders’ equity without restating comparable periods. As a result, disclosures for comparative periods under the predecessor standard, ASC 840, Leases, are required in the year of transition. As of December 31, 2018, rent commitments under operating leases were $5.35 million, $5.16 million, $4.91 million, $4.48 million, $3.91 million, for 2019 through 2023, respectively, and $5.04 million in the aggregate for years thereafter.

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Subsequent Events

3 Months Ended

Mar. 31, 2019

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

On May 1, 2019, United completed its previously announced acquisition of First Madison Bank & Trust (“First Madison”). First Madison operated four banking offices in Athens-Clarke County, Georgia and, as of March 31, 2019, had total assets of $244 million, loans of $199 million and deposits of $213 million. First Madison has merged into the Bank and will operate under the First Madison brand until system conversions are completed in the third quarter of 2019, at which time it will begin to operate under the United Community Bank brand.

Under the terms of the merger agreement, First Madison shareholders received $52.1 million in cash. The acquisition will be accounted for as a business combination, subject to the provisions of ASC 805-10-50, Business Combinations. Due to the timing of the acquisition, United is currently in the process of completing the purchase accounting and has not made all of the remaining disclosures required by ASC 805 Business Combinations, such as the fair value of assets acquired and supplemental pro forma information, which will be disclosed in subsequent filings.

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Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Accounting Standards Updates and Recently Adopted Standards

Accounting Standards Updates and Recently Adopted Standards

Accounting Standards Updates

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance was further modified in November 2018 by ASU No. 2018-19, Codification Improvements to Topic 326, Financial Instruments - Credit Losses. The new guidance replaces the incurred loss impairment methodology in current GAAP with a current expected credit loss (“CECL”) methodology and requires consideration of a broader range of information to determine credit loss estimates. Financial assets measured at amortized cost will be presented at the net amount expected to be collected by using an allowance for credit losses. Purchased credit deteriorated loans will receive an allowance account at the acquisition date that represents a component of the purchase price allocation. Credit losses relating to available-for-sale debt securities will be recorded through an allowance for credit losses, with such allowance limited to the amount by which fair value is below amortized cost. Application of this update will primarily be on a modified retrospective approach, although the guidance for debt securities for which an other-than-temporary impairment has been recognized before the effective date and for loans previously covered by Accounting Standards Codification (“ASC”) 310-30, Receivables – Loans and Debt Securities Acquired with Deteriorated Credit Quality will be applied on a prospective basis. For public entities, this update is effective for fiscal years beginning after December 15, 2019. Upon adoption, United expects that the allowance for credit losses will be higher given the change to estimated losses for the estimated life of the financial asset; however, management is still in the process of determining the impact. During the first quarter 2019, management’s CECL steering committee continued the process of populating relevant data, building models and documenting processes and controls in preparation for adoption of Topic 326. During the remainder of 2019, management plans to run multiple parallel runs of the allowance model under the expected credit loss methodology, starting with a loan-focused parallel run using first quarter data. Management will incrementally widen the scope of model runs thereafter until a full CECL run is completed. During monthly steering committee meetings, management regularly reviews project status, gap remediation efforts and project priorities.

Recently Adopted Standards

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This guidance was further modified by ASU No. 2018-10, Codification Improvements to Topic 842 Leases, ASU No. 2018-11, Leases (Topic 842): Targeted Improvements, ASU No. 2018-20, Leases (Topic 842): Narrow-Scope Improvements for Lessors andASU No. 2019-01, Leases (Topic 842): Codification Improvements. These standards require a lessee to recognize in the consolidated balance sheet a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term. United adopted the standard on January 1, 2019 using the optional transition method, which allowed for a modified retrospective method of adoption with a cumulative effect adjustment to shareholders’ equity without restating comparable periods. United also elected the relief package of practical expedients for which there is no requirement to reassess existence of leases, their classification, and initial direct costs as well as an exemption for short-term leases with a term of less than one year, whereby United does not recognize a lease liability or right-of-use asset on the consolidated balance sheet but instead recognizes lease payments as an expense over the lease term as appropriate. The adoption of this guidance resulted in recognition of a right-of-use asset of $23.8 million, a lease liability of $26.8 million and a reduction of shareholders’ equity of $549,000, net of tax, related to its operating leases. In addition, United has equipment financing leases for which it is the lessor, which were previously accounted for as capital leases. Upon adoption of Topic 842, these leases were classified as direct financing leases, which required no significant change in accounting policy or treatment. These lease agreements may include options to renew and for the lessee to purchase the leased equipment at the end of the lease term. As a lessor, United elected to exclude sales taxes from consideration in lease contracts. In the opinion of management, the changes described above resulting from the adoption of the standard did not have a material impact on the consolidated financial statements. See Notes 5 and 14 for additional information on direct financing leases and operating leases, respectively.

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Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings (Tables)

3 Months Ended

Mar. 31, 2019

Offsetting [Abstract]

Schedule of summary of amounts outstanding under reverse repurchase agreements

The following table presents a summary of amounts outstanding under reverse repurchase agreements, of which there were none as of March 31, 2019, and derivative financial instruments including those entered into in connection with the same counterparty under master netting agreements as of the dates indicated (in thousands).

	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
March 31, 2019							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Derivatives	$	25,924		$	—		$	25,924	$	(2,295	)	$	(1,797	)	$	21,832
Total	$	25,924		$	—		$	25,924	$	(2,295	)	$	(1,797	)	$	21,832
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet			Net Liability Balance		Gross Amounts not Offset in the Balance Sheet
									Financial Instruments			Collateral Pledged			Net Amount
Derivatives	$	18,789		$	—		$	18,789	$	(2,295	)	$	(11,870	)	$	4,624
Total	$	18,789		$	—		$	18,789	$	(2,295	)	$	(11,870	)	$	4,624
	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
December 31, 2018							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	24,705			—			24,705		(973		)	(8,029		)	15,703
Total	$	74,705		$	(50,000	)	$	24,705	$	(973	)	$	(8,029	)	$	15,703
Weighted average interest rate of reverse repurchase agreements	3.20		%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
							Net Liability Balance		Financial Instruments			Collateral Pledged			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	26,433			—			26,433		(973		)	(16,126		)	9,334
Total	$	76,433		$	(50,000	)	$	26,433	$	(973	)	$	(16,126	)	$	9,334
Weighted average interest rate of repurchase agreements	2.45		%

Schedule of repurchase agreements remaining contractual maturity of the agreements

The following table presents additional detail regarding repurchase agreements accounted for as secured borrowings and the securities underlying these agreements as of December 31, 2018 (in thousands).

	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		91 to 110 days		Total
Mortgage-backed securities	$	—	$	—	$	50,000	$	—	$	50,000
Total	$	—	$	—	$	50,000	$	—	$	50,000
Gross amount of recognized liabilities for repurchase agreements in offsetting disclosure									$	50,000
Amounts related to agreements not included in offsetting disclosure									$	—

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Securities (Tables)

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule of cost basis, gross unrealized gains and losses and fair value of securities held to maturity

The amortized cost basis, unrealized gains and losses and fair value of debt securities held-to-maturity as of the dates indicated are as follows (in thousands).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of March 31, 2019
State and political subdivisions	$	65,519	$	1,443	$	456	$	66,506
Residential mortgage-backed securities	170,980		1,078		2,532		169,526
Commercial mortgage-backed securities	28,830		323		68		29,085
Total	$	265,329	$	2,844	$	3,056	$	265,117
As of December 31, 2018
State and political subdivisions	$	68,551	$	952	$	2,191	$	67,312
Residential mortgage-backed securities	176,488		652		5,094		172,046
Commercial mortgage-backed securities	29,368		173		96		29,445
Total	$	274,407	$	1,777	$	7,381	$	268,803

Schedule of cost basis, unrealized gains and losses, and fair value of securities available for sale

The cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale as of the dates indicated are presented below (in thousands).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of March 31, 2019
U.S. Treasuries	$	142,409	$	22	$	576	$	141,855
U.S. Government agencies	4,812		292		3		5,101
State and political subdivisions	217,120		5,124		64		222,180
Residential mortgage-backed securities	1,414,612		9,222		9,749		1,414,085
Commercial mortgage-backed securities	345,198		432		2,291		343,339
Corporate bonds	200,471		506		301		200,676
Asset-backed securities	128,359		183		1,153		127,389
Total	$	2,452,981	$	15,781	$	14,137	$	2,454,625
As of December 31, 2018
U.S. Treasuries	$	150,712	$	767	$	2,172	$	149,307
U.S. Government agencies	25,493		335		275		25,553
State and political subdivisions	234,750		907		1,716		233,941
Residential mortgage-backed securities	1,464,380		3,428		21,898		1,445,910
Commercial mortgage-backed securities	399,663		187		7,933		391,917
Corporate bonds	200,582		502		1,921		199,163
Asset-backed securities	184,683		328		2,335		182,676
Total	$	2,660,263	$	6,454	$	38,250	$	2,628,467

Schedule of held to maturity securities in an unrealized loss position

 The following table summarizes debt securities held-to-maturity in an unrealized loss position as of the dates indicated (in thousands).

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of March 31, 2019
State and political subdivisions	$	—	$	—	$	22,356	$	456	$	22,356	$	456
Residential mortgage-backed securities	—		—		112,921		2,532		112,921		2,532
Commercial mortgage-backed securities	—		—		4,095		68		4,095		68
Total unrealized loss position	$	—	$	—	$	139,372	$	3,056	$	139,372	$	3,056
As of December 31, 2018
State and political subdivisions	$	7,062	$	46	$	34,146	$	2,145	$	41,208	$	2,191
Residential mortgage-backed securities	6,579		61		136,376		5,033		142,955		5,094
Commercial mortgage-backed securities	—		—		4,290		96		4,290		96
Total unrealized loss position	$	13,641	$	107	$	174,812	$	7,274	$	188,453	$	7,381

Schedule of available for sale securities in an unrealized loss position

The following table summarizes debt securities available-for-sale in an unrealized loss position as of the dates indicated (in thousands).

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of March 31, 2019
U.S. Treasuries	$	—	$	—	$	122,122	$	576	$	122,122	$	576
U.S. Government agencies	—		—		471		3		471		3
State and political subdivisions	415		1		18,186		63		18,601		64
Residential mortgage-backed securities	47,263		644		665,525		9,105		712,788		9,749
Commercial mortgage-backed securities	—		—		237,883		2,291		237,883		2,291
Corporate bonds	—		—		108,272		301		108,272		301
Asset-backed securities	71,224		720		17,825		433		89,049		1,153
Total unrealized loss position	$	118,902	$	1,365	$	1,170,284	$	12,772	$	1,289,186	$	14,137
As of December 31, 2018
U.S. Treasuries	$	—	$	—	$	120,391	$	2,172	$	120,391	$	2,172
U.S. Government agencies	—		—		21,519		275		21,519		275
State and political subdivisions	15,160		28		133,500		1,688		148,660		1,716
Residential mortgage-backed securities	234,583		808		775,360		21,090		1,009,943		21,898
Commercial mortgage-backed securities	4,552		594		355,292		7,339		359,844		7,933
Corporate bonds	—		—		117,296		1,921		117,296		1,921
Asset-backed securities	74,492		1,879		31,968		456		106,460		2,335
Total unrealized loss position	$	328,787	$	3,309	$	1,555,326	$	34,941	$	1,884,113	$	38,250

Schedule of summary of securities sales activities

The following table summarizes available-for-sale securities sales activity for the three months ended March 31, 2019 and 2018(in thousands). 

	Three Months Ended March 31,
	2019			2018
Proceeds from sales	$	178,604		$	113,961
Gross gains on sales	$	1,287		$	417
Gross losses on sales	(1,554		)	(1,357		)
Net losses on sales of securities	$	(267	)	$	(940	)
Income tax benefit attributable to sales	$	(68	)	$	(221	)

Schedule of amortized cost and fair value of available for sale and held to maturity securities by contractual maturity

The amortized cost and fair value of debt securities available-for-sale and held-to-maturity at March 31, 2019, by contractual maturity, are presented in the following table (in thousands). 

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
U.S. Treasuries:
1 to 5 years	$	142,409	$	141,855	$	—	$	—
	142,409		141,855		—		—
U.S. Government agencies:
1 to 5 years	474		471		—		—
More than 10 years	4,338		4,630		—		—
	4,812		5,101		—		—
State and political subdivisions:
Within 1 year	500		502		3,250		3,262
1 to 5 years	36,058		36,060		11,567		12,024
5 to 10 years	35,888		36,743		7,753		8,423
More than 10 years	144,674		148,875		42,949		42,797
	217,120		222,180		65,519		66,506
Corporate bonds:
Within 1 year	10,239		10,219		—		—
1 to 5 years	187,732		187,948		—		—
5 to 10 years	1,500		1,514		—		—
More than 10 years	1,000		995		—		—
	200,471		200,676		—		—
Asset-backed securities:
1 to 5 years	2,121		2,107		—		—
More than 10 years	126,238		125,282		—		—
	128,359		127,389		—		—
Total securities other than mortgage-backed securities:
Within 1 year	10,739		10,721		3,250		3,262
1 to 5 years	368,794		368,441		11,567		12,024
5 to 10 years	37,388		38,257		7,753		8,423
More than 10 years	276,250		279,782		42,949		42,797
Residential mortgage-backed securities	1,414,612		1,414,085		170,980		169,526
Commercial mortgage-backed securities	345,198		343,339		28,830		29,085
	$	2,452,981	$	2,454,625	$	265,329	$	265,117

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Loans and Leases and Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Schedule of major classifications of loans and lease portfolio

Major classifications of the loan and lease portfolio (collectively referred to as the “loan portfolio” or “loans”) are summarized as of the dates indicated as follows (in thousands).

	March 31, 2019			December 31, 2018
Owner occupied commercial real estate	$	1,620,068		$	1,647,904
Income producing commercial real estate	1,867,425			1,812,420
Commercial & industrial	1,283,865			1,278,347
Commercial construction	865,666			796,158
Equipment financing	605,984			564,614
Total commercial	6,243,008			6,099,443
Residential mortgage	1,063,840			1,049,232
Home equity lines of credit	683,771			694,010
Residential construction	200,708			211,011
Consumer direct	121,174			122,013
Indirect auto	180,753			207,692
Total loans	8,493,254			8,383,401
Less allowance for loan losses	(61,642		)	(61,203		)
Loans, net	$	8,431,612		$	8,322,198

Schedule of changes in the value of the accretable yield for acquired loans accounted

The following table presents changes in the balance of the accretable yield for PCI loans for the periods indicated (in thousands): 

	Three Months Ended March 31,
	2019			2018
Balance at beginning of period	$	26,868		$	17,686
Additions due to acquisitions	—			1,830
Accretion	(4,813		)	(2,546		)
Reclassification from nonaccretable difference	2,706			591
Changes in expected cash flows that do not affect nonaccretable difference	1,863			475
Balance at end of period	$	26,624		$	18,036

Schedule of net investment in leases

At March 31, 2019 and December 31, 2018, equipment financing assets included direct financing leases of $33.5 million and $30.4 million, respectively. The components of the net investment in leases are presented below (in thousands). 

	March 31, 2019			December 31, 2018
Minimum future lease payments receivable	$	35,385		$	31,915
Estimated residual value of leased equipment	3,791			3,593
Initial direct costs	856			827
Security deposits	(1,173		)	(1,189		)
Purchase accounting premium	644			806
Unearned income	(6,011		)	(5,568		)
Net investment in leases	$	33,492		$	30,384

Schedule of minimum future lease payments received from lease contracts

Minimum future lease payments expected to be received from lease contracts as of March 31, 2019 are as follows (in thousands): 

Year
Remainder of 2019	$	10,384
2020	10,960
2021	7,156
2022	4,249
2023	2,046
Thereafter	590
Total	$	35,385

Schedule of balance and activity in the allowance for credit losses by portfolio segment

The following table presents the balance and activity in the allowance for credit losses by portfolio segment for the periods indicated (in thousands). 

	2019												2018
Three Months Ended March 31,
	Beginning Balance		Charge-Offs			Recoveries		(Release)Provision			Ending Balance		Beginning Balance		Charge-Offs			Recoveries		(Release) Provision			Ending Balance
Owner occupied commercial real estate	$	12,207	$	(5	)	$	69	$	(397	)	$	11,874	$	14,776	$	(60	)	$	103	$	(258	)	$	14,561
Income producing commercial real estate	11,073		(197		)	20		230			11,126		9,381		(657		)	235		817			9,776
Commercial & industrial	4,802		(1,519		)	163		1,449			4,895		3,971		(384		)	389		99			4,075
Commercial construction	10,337		(69		)	394		(387		)	10,275		10,523		(363		)	97		(223		)	10,034
Equipment financing	5,452		(1,424		)	143		2,060			6,231		—		(139		)	97		2,333			2,291
Residential mortgage	8,295		(61		)	48		63			8,345		10,097		(70		)	123		71			10,221
Home equity lines of credit	4,752		(337		)	122		260			4,797		5,177		(124		)	35		(156		)	4,932
Residential construction	2,433		(4		)	26		(65		)	2,390		2,729		—			64		251			3,044
Consumer direct	853		(547		)	207		324			837		710		(651		)	160		514			733
Indirect auto	999		(197		)	38		32			872		1,550		(436		)	80		224			1,418
Total allowance for loan losses	61,203		(4,360		)	1,230		3,569			61,642		58,914		(2,884		)	1,383		3,672			61,085
Allowance for unfunded commitments	3,410		—			—		(269		)	3,141		2,312		—			—		128			2,440
Total allowance for credit losses	$	64,613	$	(4,360	)	$	1,230	$	3,300		$	64,783	$	61,226	$	(2,884	)	$	1,383	$	3,800		$	63,525

The following tables represent the recorded investment in loans by portfolio segment and the balance of the allowance for loan losses assigned to each segment based on the method of evaluating the loans for impairment as of the dates indicated (in thousands).

	Allowance for Credit Losses
	March 31, 2019								December 31, 2018
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	825	$	10,894	$	155	$	11,874	$	862	$	11,328	$	17	$	12,207
Income producing commercial real estate	280		10,846		—		11,126		402		10,671		—		11,073
Commercial & industrial	36		4,855		4		4,895		32		4,761		9		4,802
Commercial construction	68		10,001		206		10,275		71		9,974		292		10,337
Equipment financing	—		5,988		243		6,231		—		5,045		407		5,452
Residential mortgage	916		7,403		26		8,345		861		7,410		24		8,295
Home equity lines of credit	1		4,796		—		4,797		1		4,740		11		4,752
Residential construction	63		2,327		—		2,390		51		2,382		—		2,433
Consumer direct	5		832		—		837		6		847		—		853
Indirect auto	25		847		—		872		26		973		—		999
Total allowance for loan losses	2,219		58,789		634		61,642		2,312		58,131		760		61,203
Allowance for unfunded commitments	—		3,141		—		3,141		—		3,410		—		3,410
Total allowance for credit losses	$	2,219	$	61,930	$	634	$	64,783	$	2,312	$	61,541	$	760	$	64,613

	Loans Outstanding
	March 31, 2019								December 31, 2018
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	17,238	$	1,594,226	$	8,604	$	1,620,068	$	17,602	$	1,620,450	$	9,852	$	1,647,904
Income producing commercial real estate	14,125		1,817,203		36,097		1,867,425		16,584		1,757,525		38,311		1,812,420
Commercial & industrial	1,701		1,281,823		341		1,283,865		1,621		1,276,318		408		1,278,347
Commercial construction	2,379		857,683		5,604		865,666		2,491		787,760		5,907		796,158
Equipment financing	—		599,243		6,741		605,984		—		556,672		7,942		564,614
Residential mortgage	15,453		1,039,582		8,805		1,063,840		14,220		1,025,862		9,150		1,049,232
Home equity lines of credit	255		682,047		1,469		683,771		276		692,122		1,612		694,010
Residential construction	1,340		198,787		581		200,708		1,207		209,070		734		211,011
Consumer direct	199		120,499		476		121,174		211		121,269		533		122,013
Indirect auto	1,104		179,649		—		180,753		1,237		206,455		—		207,692
Total loans	$	53,794	$	8,370,742	$	68,718	$	8,493,254	$	55,449	$	8,253,503	$	74,449	$	8,383,401

Schedule of recorded investments in individually evaluated impaired loans

The following table presents loans individually evaluated for impairment by class as of the dates indicated (in thousands).

	March 31, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated		Unpaid Principal Balance		Recorded Investment		Allowance for Loan Losses Allocated
With no related allowance recorded:
Owner occupied commercial real estate	$	8,159	$	6,089	$	—	$	8,650	$	6,546	$	—
Income producing commercial real estate	8,333		8,227		—		9,986		9,881		—
Commercial & industrial	522		360		—		525		370		—
Commercial construction	119		113		—		685		507		—
Equipment financing	—		—		—		—		—		—
Total commercial	17,133		14,789		—		19,846		17,304		—
Residential mortgage	6,513		5,890		—		5,787		5,202		—
Home equity lines of credit	275		215		—		330		234		—
Residential construction	753		624		—		554		428		—
Consumer direct	15		15		—		18		17		—
Indirect auto	142		130		—		294		292		—
Total with no related allowance recorded	24,831		21,663		—		26,829		23,477		—
With an allowance recorded:
Owner occupied commercial real estate	11,191		11,149		825		11,095		11,056		862
Income producing commercial real estate	6,166		5,898		280		6,968		6,703		402
Commercial & industrial	1,746		1,341		36		1,652		1,251		32
Commercial construction	2,503		2,266		68		2,130		1,984		71
Equipment financing	—		—		—		—		—		—
Total commercial	21,606		20,654		1,209		21,845		20,994		1,367
Residential mortgage	9,713		9,563		916		9,169		9,018		861
Home equity lines of credit	43		40		1		45		42		1
Residential construction	727		716		63		791		779		51
Consumer direct	189		184		5		199		194		6
Indirect auto	975		974		25		946		945		26
Total with an allowance recorded	33,253		32,131		2,219		32,995		31,972		2,312
Total	$	58,084	$	53,794	$	2,219	$	59,824	$	55,449	$	2,312

Schedule of TDRs including the number of loan contracts restructured and the pre- and post-modification recorded investment

Loans modified under the terms of a TDR during the three months ended March 31, 2019 and 2018 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that defaulted (became 90 days or more delinquent) during the periods presented and were initially restructured within one year prior to default (dollars in thousands).

	New TDRs
		Pre-modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment by Type of Modification								TDRs Modified Within the Previous Twelve Months That Have Subsequently Defaulted
	Number of Contracts			Rate   Reduction		Structure		Other		Total		Number of   Contracts	Recorded   Investment
Three Months Ended March 31, 2019
Owner occupied commercial real estate	—	$	—	$	—	$	—	$	—	$	—	—	$	—
Income producing commercial real estate	1	169		—		169		—		169		—	—
Commercial & industrial	1	7		—		—		7		7		—	—
Commercial construction	—	—		—		—		—		—		—	—
Equipment financing	—	—		—		—		—		—		—	—
Total commercial	2	176		—		169		7		176		—	—
Residential mortgage	2	345		—		344		—		344		—	—
Home equity lines of credit	—	—		—		—		—		—		—	—
Residential construction	—	—		—		—		—		—		—	—
Consumer direct	—	—		—		—		—		—		—	—
Indirect auto	6	66		—		—		57		57		—	—
Total loans	10	$	587	$	—	$	513	$	64	$	577	—	$	—
Three Months Ended March 31, 2018
Owner occupied commercial real estate	3	$	994	$	—	$	978	$	—	$	978	2	$	1,586
Income producing commercial real estate	—	—		—		—		—		—		—	—
Commercial & industrial	1	81		—		5		—		5		—	—
Commercial construction	—	—		—		—		—		—		—	—
Equipment financing	—	—		—		—		—		—		—	—
Total commercial	4	1,075		—		983		—		983		2	1,586
Residential mortgage	2	340		—		340		—		340		—	—
Home equity lines of credit	—	—		—		—		—		—		—	—
Residential construction	—	—		—		—		—		—		—	—
Consumer direct	—	—		—		—		—		—		—	—
Indirect auto	—	—		—		—		—		—		—	—
Total loans	6	$	1,415	$	—	$	1,323	$	—	$	1,323	2	$	1,586

Schedule of average balances of impaired loans and income recognized on impaired loans

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired are presented below for the periods indicated (in thousands). 

	2019						2018
Three Months Ended March 31,	Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received		Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received
Owner occupied commercial real estate	$	17,410	$	285	$	284	$	24,658	$	245	$	280
Income producing commercial real estate	14,237		193		207		16,433		210		235
Commercial & industrial	1,716		19		19		2,596		40		42
Commercial construction	2,402		34		33		3,936		51		52
Equipment financing	—		—		—		—		—		—
Total commercial	35,765		531		543		47,623		546		609
Residential mortgage	15,502		168		174		14,993		149		150
Home equity lines of credit	258		4		3		344		4		4
Residential construction	1,408		24		23		1,590		24		24
Consumer direct	205		4		4		291		5		5
Indirect auto	1,190		14		14		1,378		18		18
Total	$	54,328	$	745	$	761	$	66,219	$	746	$	810

Schedule of recorded investment in nonaccrual loans by loan class

The following table presents the recorded investment in nonaccrual loans by loan class as of the dates indicated (in thousands). 

	March 31, 2019		December 31, 2018
Owner occupied commercial real estate	$	7,030	$	6,421
Income producing commercial real estate	1,276		1,160
Commercial & industrial	1,666		1,417
Commercial construction	473		605
Equipment financing	1,813		2,677
Total commercial	12,258		12,280
Residential mortgage	8,281		8,035
Home equity lines of credit	2,233		2,360
Residential construction	347		288
Consumer direct	47		89
Indirect auto	458		726
Total	$	23,624	$	23,778

Schedule of aging of the recorded investment in past due loans

The following table presents the aging of the recorded investment in past due loans by class of loans as of the dates indicated (in thousands).

	Loans Past Due
As of March 31, 2019	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		PCI Loans		Total
Owner occupied commercial real estate	$	4,644	$	1,142	$	3,328	$	9,114	$	1,602,350	$	8,604	$	1,620,068
Income producing commercial real estate	1,199		125		706		2,030		1,829,298		36,097		1,867,425
Commercial & industrial	2,649		790		937		4,376		1,279,148		341		1,283,865
Commercial construction	139		443		24		606		859,456		5,604		865,666
Equipment financing	1,809		894		1,722		4,425		594,818		6,741		605,984
Total commercial	10,440		3,394		6,717		20,551		6,165,070		57,387		6,243,008
Residential mortgage	4,862		1,511		1,292		7,665		1,047,370		8,805		1,063,840
Home equity lines of credit	2,355		634		528		3,517		678,785		1,469		683,771
Residential construction	574		132		154		860		199,267		581		200,708
Consumer direct	522		89		2		613		120,085		476		121,174
Indirect auto	711		185		416		1,312		179,441		—		180,753
Total loans	$	19,464	$	5,945	$	9,109	$	34,518	$	8,390,018	$	68,718	$	8,493,254

	Loans Past Due
As of December 31, 2018	30 - 59 Days		60 - 89 Days		> 90 Days		Total		Loans Not Past Due		PCI Loans		Total
Owner occupied commercial real estate	$	2,542	$	2,897	$	1,011	$	6,450	$	1,631,602	$	9,852	$	1,647,904
Income producing commercial real estate	1,624		291		301		2,216		1,771,893		38,311		1,812,420
Commercial & industrial	7,189		718		400		8,307		1,269,632		408		1,278,347
Commercial construction	267		—		68		335		789,916		5,907		796,158
Equipment financing	1,351		739		2,658		4,748		551,924		7,942		564,614
Total commercial	12,973		4,645		4,438		22,056		6,014,967		62,420		6,099,443
Residential mortgage	5,461		1,788		1,950		9,199		1,030,883		9,150		1,049,232
Home equity lines of credit	2,112		864		902		3,878		688,520		1,612		694,010
Residential construction	509		63		190		762		209,515		734		211,011
Consumer direct	600		82		21		703		120,777		533		122,013
Indirect auto	750		323		633		1,706		205,986		—		207,692
Total loans	$	22,405	$	7,765	$	8,134	$	38,304	$	8,270,648	$	74,449	$	8,383,401

Schedule of risk category of loans by class of loans

Based on the most recent analysis performed, the risk category of loans by class of loans as of the dates indicated is as follows (in thousands).

	Pass		Watch		Substandard		Doubtful / Loss		Total
As of March 31, 2019
Owner occupied commercial real estate	$	1,557,510	$	17,511	$	36,443	$	—	$	1,611,464
Income producing commercial real estate	1,789,063		22,548		19,717		—		1,831,328
Commercial & industrial	1,253,268		7,517		22,739		—		1,283,524
Commercial construction	846,902		6,767		6,393		—		860,062
Equipment financing	597,430		—		1,813		—		599,243
Total commercial	6,044,173		54,343		87,105		—		6,185,621
Residential mortgage	1,043,447		—		11,588		—		1,055,035
Home equity lines of credit	678,578		—		3,724		—		682,302
Residential construction	199,570		—		557		—		200,127
Consumer direct	120,465		—		233		—		120,698
Indirect auto	178,740		—		2,013		—		180,753
Total loans, excluding PCI loans	8,264,973		54,343		105,220		—		8,424,536
Owner occupied commercial real estate	2,803		2,781		3,020		—		8,604
Income producing commercial real estate	23,872		11,389		836		—		36,097
Commercial & industrial	246		43		52		—		341
Commercial construction	3,340		165		2,099		—		5,604
Equipment financing	6,626		—		115		—		6,741
Total commercial	36,887		14,378		6,122		—		57,387
Residential mortgage	6,512		—		2,293		—		8,805
Home equity lines of credit	1,350		—		119		—		1,469
Residential construction	542		—		39		—		581
Consumer direct	440		—		36		—		476
Indirect auto	—		—		—		—		—
Total PCI loans	45,731		14,378		8,609		—		68,718
Total loan portfolio	$	8,310,704	$	68,721	$	113,829	$	—	$	8,493,254
As of December 31, 2018
Owner occupied commercial real estate	$	1,585,797	$	16,651	$	35,604	$	—	$	1,638,052
Income producing commercial real estate	1,735,456		20,923		17,730		—		1,774,109
Commercial & industrial	1,247,206		8,430		22,303		—		1,277,939
Commercial construction	777,780		4,533		7,938		—		790,251
Equipment financing	553,995		—		2,677		—		556,672
Total commercial	5,900,234		50,537		86,252		—		6,037,023
Residential mortgage	1,028,660		—		11,422		—		1,040,082
Home equity lines of credit	688,493		—		3,905		—		692,398
Residential construction	209,744		—		533		—		210,277
Consumer direct	121,247		19		214		—		121,480
Indirect auto	205,632		—		2,060		—		207,692
Total loans, excluding PCI loans	8,154,010		50,556		104,386		—		8,308,952
Owner occupied commercial real estate	3,352		2,774		3,726		—		9,852
Income producing commercial real estate	23,430		13,403		1,478		—		38,311
Commercial & industrial	266		48		94		—		408
Commercial construction	3,503		188		2,216		—		5,907
Equipment financing	7,725		—		217		—		7,942
Total commercial	38,276		16,413		7,731		—		62,420
Residential mortgage	6,914		—		2,236		—		9,150
Home equity lines of credit	1,492		—		120		—		1,612
Residential construction	687		—		47		—		734
Consumer direct	493		—		40		—		533
Indirect auto	—		—		—		—		—
Total PCI loans	47,862		16,413		10,174		—		74,449
Total loan portfolio	$	8,201,872	$	66,969	$	114,560	$	—	$	8,383,401

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Reclassifications Out of Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Schedule of reclassifications out of accumulated other comprehensive income

The following table presents the details regarding amounts reclassified out of accumulated other comprehensive income for the periods indicated (in thousands).

Details about Accumulated Other Comprehensive Income Components	Three Months Ended March 31,						Affected Line Item in the Statement Where Net Income is Presented
	2019			2018
Realized losses on available-for-sale securities:
	$	(267	)	$	(940	)	Securities losses, net
	68			221			Income tax benefit
	$	(199	)	$	(719	)	Net of tax
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity:
	$	(84	)	$	(222	)	Investment securities interest revenue
	20			54			Income tax benefit
	$	(64	)	$	(168	)	Net of tax
Amortization of losses included in net income on derivative financial instruments accounted for as cash flow hedges:
Amortization of losses on de-designated positions	$	(102	)	$	(147	)	Money market deposit interest expense
	26			38			Income tax benefit
	$	(76	)	$	(109	)	Net of tax
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan:
Prior service cost	$	(159	)	$	(167	)	Salaries and employee benefits expense
Actuarial losses	(15		)	—			Other expense
Actuarial losses	—			(60		)	Salaries and employee benefits expense
	(174		)	(227		)	Total before tax
	44			58			Income tax benefit
	$	(130	)	$	(169	)	Net of tax
Total reclassifications for the period	$	(469	)	$	(1,165	)	Net of tax

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data).

	Three Months Ended March 31,
	2019			2018
Net income	$	44,262		$	37,658
Dividends and undistributed earnings allocated to unvested shares	(315		)	(277		)
Net income available to common shareholders	$	43,947		$	37,381
Weighted average shares outstanding:
Basic	79,807			79,205
Effect of dilutive securities
Stock options	3			10
Restricted stock units	3			—
Diluted	79,813			79,215
Net income per common share:
Basic	$	0.55		$	0.47
Diluted	$	0.55		$	0.47

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Derivatives and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of derivative financial instruments on consolidated balance sheet

The table below presents the fair value of derivative financial instruments as of the dates indicated as well as their classification on the consolidated balance sheets (in thousands):

Derivatives designated as hedging instruments under ASC 815

Interest Rate Products	Balance Sheet Location	March 31, 2019		December 31, 2018
Fair value hedge of brokered CDs	Derivative liabilities	$	1,251	$	1,682
		$	1,251	$	1,682

Derivatives not designated as hedging instruments under ASC 815

Interest Rate Products	Balance Sheet Location	March 31, 2019		December 31, 2018
Customer derivative positions	Derivative assets	$	12,658	$	5,216
Dealer offsets to customer derivative positions	Derivative assets	3,691		7,620
Mortgage banking - loan commitment	Derivative assets	1,796		1,190
Mortgage banking - forward sales commitment	Derivative assets	14		28
Bifurcated embedded derivatives	Derivative assets	7,765		10,651
		$	25,924	$	24,705
Customer derivative positions	Derivative liabilities	$	4,118	$	9,661
Dealer offsets to customer derivative positions	Derivative liabilities	2,744		781
Risk participations	Derivative liabilities	6		8
Mortgage banking - forward sales commitment	Derivative liabilities	483		259
Dealer offsets to bifurcated embedded derivatives	Derivative liabilities	10,187		13,339
De-designated hedges	Derivative liabilities	—		703
		$	17,538	$	24,751

Schedule of derivatives in fair value on the consolidated statement of income

The table below presents the effect of derivatives in fair value hedging relationships on the consolidated statement of income for the periods indicated (in thousands). 

	Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative					Amount of Gain (Loss) Recognized in Income on Hedged Item
		2019		2018			2019			2018
Three Months Ended March 31,
Fair value hedges of brokered CDs	Interest expense	$	451	$	(693	)	$	(462	)	$	545
Fair value hedges of corporate bonds	Interest revenue	—		(336		)	—			405
		$	451	$	(1,029	)	$	(462	)	$	950

Schedule of gains and losses recognized in income on derivatives not designated as hedging instruments

The table below presents the gains and losses recognized in income on derivatives not designated as hedging instruments under ASC 815 for the periods indicated (in thousands). 

	Location of Gain (Loss) Recognized in Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		2019			2018
Three Months Ended March 31,
Customer derivatives and dealer offsets	Other noninterest income	$	503		$	772
Bifurcated embedded derivatives and dealer offsets	Other noninterest income	218			370
Interest rate caps	Other noninterest income	—			276
De-designated hedges	Other noninterest income	(193		)	(67		)
Mortgage banking derivatives	Mortgage loan revenue	(190		)	1,264
Risk participations	Other noninterest income	2			(2		)
		$	340		$	2,613

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

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

Schedule of stock option activity

The following table shows stock option activity for the first three months of 2019.

Options	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2018	47,139		$	27.07
Exercised	(12,000	)	16.44
Cancelled/forfeited	(504	)	31.50
Expired	(1,023	)	29.45
Outstanding at March 31, 2019	33,612		30.72		0.4	$	13
Exercisable at March 31, 2019	33,612		30.72		0.4	13

Schedule of restricted stock units activity

The table below presents restricted stock units activity for the first three months of 2019.

Restricted Stock Unit Awards	Shares		Weighted- Average Grant- Date Fair Value		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2018	759,746		$	27.66
Granted	37,994		25.67
Vested	(46,628	)	25.72			$	1,322
Cancelled	(14,284	)	25.30
Outstanding at March 31, 2019	736,828		27.72		4.2	18,369

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Assets and Liabilities Measured at Fair Value (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis as of the dates indicated, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands).

March 31, 2019	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale:
U.S. Treasuries	$	141,855	$	—	$	—	$	141,855
U.S. Government agencies	—		5,101		—		5,101
State and political subdivisions	—		222,180		—		222,180
Residential mortgage-backed securities	—		1,414,085		—		1,414,085
Commercial mortgage-backed securities	—		343,339		—		343,339
Corporate bonds	—		199,681		995		200,676
Asset-backed securities	—		127,389		—		127,389
Equity securities with readily available fair values	910		—		—		910
Mortgage loans held for sale	—		26,341		—		26,341
Deferred compensation plan assets	7,129		—		—		7,129
Servicing rights for SBA/USDA loans	—		—		7,401		7,401
Residential mortgage servicing rights	—		—		11,447		11,447
Derivative financial instruments	—		16,363		9,561		25,924
Total assets	$	149,894	$	2,354,479	$	29,404	$	2,533,777
Liabilities:
Deferred compensation plan liability	$	7,129	$	—	$	—	$	7,129
Derivative financial instruments	—		7,345		11,444		18,789
Total liabilities	$	7,129	$	7,345	$	11,444	$	25,918

December 31, 2018	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale
U.S. Treasuries	$	149,307	$	—	$	—	$	149,307
U.S. Agencies	—		25,553		—		25,553
State and political subdivisions	—		233,941		—		233,941
Residential mortgage-backed securities	—		1,445,910		—		1,445,910
Commercial mortgage-backed securities	—		391,917		—		391,917
Corporate bonds	—		198,168		995		199,163
Asset-backed securities	—		182,676		—		182,676
Equity securities with readily available fair values	1,076		—		—		1,076
Mortgage loans held for sale	—		18,935		—		18,935
Deferred compensation plan assets	6,404		—		—		6,404
Servicing rights for SBA/USDA loans	—		—		7,510		7,510
Residential mortgage servicing rights	—		—		11,877		11,877
Derivative financial instruments	—		12,864		11,841		24,705
Total assets	$	156,787	$	2,509,964	$	32,223	$	2,698,974
Liabilities:
Deferred compensation plan liability	$	6,404	$	—	$	—	$	6,404
Derivative financial instruments	—		10,701		15,732		26,433
Total liabilities	$	6,404	$	10,701	$	15,732	$	32,837

Schedule of assets measured at fair value on a recurring basis using significant unobservable inputs

The following table shows a reconciliation of the beginning and ending balances for the periods indicated for assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands).

	Derivative Asset			Derivative Liability			Servicing rights for SBA/USDA loans			Residential mortgage servicing rights			Debt Securities Available-for-Sale
Three Months Ended March 31, 2019
Balance at beginning of period	$	11,841		$	15,732		$	7,510		$	11,877		$	995
Additions	—			—			375			863			—
Sales and settlements	(1,135		)	(2,330		)	(363		)	(150		)	—
Amounts included in earnings - fair value adjustments	(1,145		)	(1,958		)	(121		)	(1,143		)	—
Balance at end of period	$	9,561		$	11,444		$	7,401		$	11,447		$	995
Three Months Ended March 31, 2018
Balance at beginning of period	$	12,207		$	16,744		$	7,740		$	8,262		$	900
Business combinations	—			—			(354		)	—			—
Additions	—			—			479			926			—
Sales and settlements	(1,029		)	(1,347		)	(91		)	(80		)	—
Amounts included in earnings - fair value adjustments	2,699			2,391			(304		)	610			—
Balance at end of period	$	13,877		$	17,788		$	7,470		$	9,718		$	900

Schedule of quantitative information about Level 3 fair value measurements for fair value on a recurring basis

The following table presents quantitative information about Level 3 fair value measurements for fair value on a recurring basis as of the dates indicated (in thousands). 

	Fair Value						Weighted Average
Level 3 Assets and Liabilities	March 31, 2019		December 31, 2018		Valuation Technique		March 31, 2019		December 31, 2018
						Unobservable Inputs
Servicing rights for SBA/USDA loans	$	7,401	$	7,510	Discounted cash flow	Discount rate	13.6	%	14.5	%
						Prepayment rate	12.5	%	12.1	%
Residential mortgage servicing rights	11,447		11,877		Discounted cash flow	Discount rate	10.0	%	10.0	%
						Prepayment rate	12.8	%	10.6	%
Corporate bonds	995		995		Indicative bid provided by a broker	Multiple factors, including but not limited to, current operations, financial condition, cash flows, and recently executed financing transactions related to the company	N/A		N/A
Derivative assets - mortgage	1,796		1,190		Internal model	Pull through rate	78.9	%	80.7	%
Derivative assets - other	7,765		10,651		Dealer priced	Dealer priced	N/A		N/A
Derivative liabilities - risk participations	6		8		Internal model	Probable exposure rate	0.37	%	0.44	%
						Probability of default rate	1.80	%	1.80	%
Derivative liabilities - other	11,438		15,724		Dealer priced	Dealer priced	N/A		N/A

Schedule of presentation of united's assets and liabilities measured at fair value on nonrecurring basis

The following table presents the fair value hierarchy and carrying value of all assets that were still held as of March 31, 2019 and December 31, 2018, for which a nonrecurring fair value adjustment was recorded during the year-to-date periods presented (in thousands).

	Level 1		Level 2		Level 3		Total
March 31, 2019
Loans	$	—	$	—	$	1,286	$	1,286
December 31, 2018
Loans	$	—	$	—	$	8,631	$	8,631

Schedule of carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis

The carrying amount and fair values as of the dates indicated for other financial instruments that are not measured at fair value on a recurring basis are as follows (in thousands).

			Fair Value Level
	Carrying Amount		Level 1		Level 2		Level 3		Total
March 31, 2019
Assets:
Securities held to maturity	$	265,329	$	—	$	265,117	$	—	$	265,117
Loans and leases, net	8,431,612		—		—		8,401,018		8,401,018
Liabilities:
Deposits	10,534,306		—		10,527,436		—		10,527,436
Federal Home Loan Bank advances	40,000		—		39,998		—		39,998
Long-term debt	257,259		—		—		266,468		266,468
December 31, 2018
Assets:
Securities held to maturity	$	274,407	$	—	$	268,803	$	—	$	268,803
Loans and leases, net	8,322,198		—		—		8,277,387		8,277,387
Liabilities:
Deposits	10,534,513		—		10,528,834		—		10,528,834
Federal Home Loan Bank advances	160,000		—		159,988		—		159,988
Long-term debt	267,189		—		—		278,996		278,996

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of contractual amount of off-balance sheet instruments

The following table summarizes the contractual amount of off-balance sheet instruments as of the dates indicated (in thousands).

	March 31, 2019		December 31, 2018
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	2,053,155	$	2,129,463
Letters of credit	26,867		25,447

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Operating Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Schedule of operating lease income and expense and other supplemental information

The table below presents the operating lease income and expense recognized for the period indicated and other supplemental information (in thousands).

	Income Statement Location	Three Months Ended March 31, 2019
Operating lease cost	Occupancy expense	$	1,258
Variable lease cost	Occupancy expense	111
Short-term lease cost	Occupancy expense	19
Sublease income	Occupancy expense	(149		)
Net lease cost		$	1,239
Rental income from owned properties under operating leases	Other noninterest income	$	216
Operating cash flows from operating leases		$	1,348

Schedule of future minimum lease payments under operating leases

As of March 31, 2019 future minimum lease payments under operating leases were as follows (in thousands):

Year
Remainder of 2019	$	3,627
2020	5,253
2021	4,983
2022	4,553
2023	3,979
Thereafter	5,092
Total	27,487
Less discount	(2,287		)
Present value of lease liability	$	25,200

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Accounting Standards Updates and Recently Adopted Standards - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use asset	$ 22,700
Lease liability	$ 25,200
Reduction in shareholders' equity upon adoption of accounting standard		$ 549
ASU No. 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use asset		23,800
Lease liability		26,800
Reduction in shareholders' equity upon adoption of accounting standard		$ 549

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Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings - Summary of amounts outstanding under master netting agreements (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Offsetting [Abstract]
Repurchase agreements / reverse repurchase agreements, gross amounts of recognized assets		$ 50,000
Repurchase agreements / reverse repurchase agreements, gross amounts offset on the balance sheet		(50,000)
Repurchase agreements / reverse repurchase agreements, net asset balance		0
Repurchase agreements / reverse repurchase agreements, gross amounts not offset in balance sheet assets of financial instruments		0
Repurchase agreements / reverse repurchase agreements, gross amounts not offset in balance sheet assets of collateral received		0
Repurchase agreements / reverse repurchase agreements, net amount		0
Derivatives, gross amounts of recognized assets	$ 25,924	24,705
Derivatives, gross amounts offset on the balance sheet	0	0
Derivatives, net asset balance	25,924	24,705
Derivatives, gross amounts not offset in balance sheet assets of financial instruments	(2,295)	(973)
Derivative, gross amounts not offset in balance sheet assets of collateral received	(1,797)	(8,029)
Derivatives, net amount	21,832	15,703
Offsetting assets, gross amounts of recognized assets	25,924	74,705
Offsetting assets, gross amounts offset on balance sheet	0	(50,000)
Offsetting assets, net asset balance	25,924	24,705
Offsetting assets, gross amounts not offset in balance sheet of financial instruments	(2,295)	(973)
Offsetting assets, gross amounts not offset in the balance sheet of collateral received	(1,797)	(8,029)
Offsetting assets, net amount	21,832	$ 15,703
Weighted average interest rate of reverse repurchase agreements, assets (percent)		3.20%
Repurchase agreements / reverse repurchase agreements, gross amounts of recognized liabilities		$ 50,000
Repurchase agreements / reverse repurchase agreements, gross amounts offset on balance sheet		(50,000)
Repurchase agreements / reverse repurchase agreements, net liability balance		0
Repurchase agreements / reverse repurchase agreements, gross amounts not offset in balance sheet liabilities of financial instruments		0
Repurchase agreements / reverse repurchase agreements, gross amounts not offset in balance sheet liabilities of collateral pledged		0
Repurchase agreements / reverse repurchase agreements, net amount		0
Derivatives, gross amounts of recognized liabilities	18,789	26,433
Derivatives, gross amounts offset on balance sheet	0	0
Derivatives, net liability balance	18,789	26,433
Derivatives, gross amounts not offset in balance sheet liabilities of financial instruments	(2,295)	(973)
Derivatives, gross amounts not offset in balance sheet liabilities of collateral pledged	(11,870)	(16,126)
Derivatives, net amount	4,624	9,334
Offsetting liabilities, gross amounts of recognized liabilities	18,789	76,433
Offsetting liabilities, gross amounts offset on balance sheet	0	(50,000)
Offsetting liabilities, net liability balance	18,789	26,433
Offsetting liabilities, gross amounts not offset in balance sheet of financial instruments	(2,295)	(973)
Offsetting liabilities, gross amounts not offset in the balance sheet of collateral pledged	(11,870)	(16,126)
Offsetting liabilities, net amount	$ 4,624	$ 9,334
Weighted average interest rate of reverse repurchase agreements, liabilities (percent)		2.45%

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Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Offsetting [Abstract]
Right to reclaim cash collateral	$ 11,900	$ 16,100
Obligation to return cash collateral	$ 1,800	$ 8,030

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Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings - Repurchase agreements accounted for as secured borrowings (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	$ 50,000
Gross amount of recognized liabilities for repurchase agreements in offsetting disclosure	50,000
Amounts related to agreements not included in offsetting disclosure	0
Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	0
Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	0
30 to 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	50,000
91 to 110 days
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	0
Mortgage-backed securities
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	50,000
Mortgage-backed securities | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	0
Mortgage-backed securities | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	0
Mortgage-backed securities | 30 to 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	50,000
Mortgage-backed securities | 91 to 110 days
Assets Sold under Agreements to Repurchase [Line Items]
Remaining Contractual Maturity of the Agreements	$ 0

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Securities - Amortized cost, gross unrealized gains and losses, and fair value of debt securities held-to-maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Held-to-maturity securities:
Amortized Cost	$ 265,329	$ 274,407
Gross Unrealized Gains	2,844	1,777
Gross Unrealized Losses	3,056	7,381
Fair Value	265,117	268,803
State and political subdivisions
Held-to-maturity securities:
Amortized Cost	65,519	68,551
Gross Unrealized Gains	1,443	952
Gross Unrealized Losses	456	2,191
Fair Value	66,506	67,312
Residential mortgage-backed securities
Held-to-maturity securities:
Amortized Cost	170,980	176,488
Gross Unrealized Gains	1,078	652
Gross Unrealized Losses	2,532	5,094
Fair Value	169,526	172,046
Commercial mortgage-backed securities
Held-to-maturity securities:
Amortized Cost	28,830	29,368
Gross Unrealized Gains	323	173
Gross Unrealized Losses	68	96
Fair Value	$ 29,085	$ 29,445

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Securities - Amortized cost, gross unrealized gains and losses, and fair value of debt securities available-for-sale (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt securities available for sale and equity securities:
Amortized Cost	$ 2,452,981	$ 2,660,263
Gross Unrealized Gains	15,781	6,454
Gross Unrealized Losses	14,137	38,250
Fair Value	2,454,625	2,628,467
U.S. Treasuries
Debt securities available for sale and equity securities:
Amortized Cost	142,409	150,712
Gross Unrealized Gains	22	767
Gross Unrealized Losses	576	2,172
Fair Value	141,855	149,307
U.S. Government agencies
Debt securities available for sale and equity securities:
Amortized Cost	4,812	25,493
Gross Unrealized Gains	292	335
Gross Unrealized Losses	3	275
Fair Value	5,101	25,553
State and political subdivisions
Debt securities available for sale and equity securities:
Amortized Cost	217,120	234,750
Gross Unrealized Gains	5,124	907
Gross Unrealized Losses	64	1,716
Fair Value	222,180	233,941
Residential mortgage-backed securities
Debt securities available for sale and equity securities:
Amortized Cost	1,414,612	1,464,380
Gross Unrealized Gains	9,222	3,428
Gross Unrealized Losses	9,749	21,898
Fair Value	1,414,085	1,445,910
Commercial mortgage-backed securities
Debt securities available for sale and equity securities:
Amortized Cost	345,198	399,663
Gross Unrealized Gains	432	187
Gross Unrealized Losses	2,291	7,933
Fair Value	343,339	391,917
Corporate bonds
Debt securities available for sale and equity securities:
Amortized Cost	200,471	200,582
Gross Unrealized Gains	506	502
Gross Unrealized Losses	301	1,921
Fair Value	200,676	199,163
Asset-backed securities
Debt securities available for sale and equity securities:
Amortized Cost	128,359	184,683
Gross Unrealized Gains	183	328
Gross Unrealized Losses	1,153	2,335
Fair Value	$ 127,389	$ 182,676

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Securities - Narrative (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) security	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Investments, Debt and Equity Securities [Abstract]
Carrying value of securities pledged to secure public deposits, derivatives and other secured borrowings | $	$ 842,000,000		$ 925,000,000
Number of available-for-sale securities in unrealized loss position | security	174
Number of held-to-maturity securities in unrealized loss position | security	56
Other-than-temporary impairment charges | $	$ 0	$ 0

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Securities - Summary of debt securites held-to-maturity in unrealized loss position (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months	$ 0	$ 13,641
Unrealized Loss, Less than 12 Months	0	107
Fair Value, 12 Months or More	139,372	174,812
Unrealized Loss, 12 Months or More	3,056	7,274
Fair Value, Total	139,372	188,453
Unrealized Loss, Total	3,056	7,381
State and political subdivisions
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months	0	7,062
Unrealized Loss, Less than 12 Months	0	46
Fair Value, 12 Months or More	22,356	34,146
Unrealized Loss, 12 Months or More	456	2,145
Fair Value, Total	22,356	41,208
Unrealized Loss, Total	456	2,191
Residential mortgage-backed securities
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months	0	6,579
Unrealized Loss, Less than 12 Months	0	61
Fair Value, 12 Months or More	112,921	136,376
Unrealized Loss, 12 Months or More	2,532	5,033
Fair Value, Total	112,921	142,955
Unrealized Loss, Total	2,532	5,094
Commercial mortgage-backed securities
Summary of held to maturity securities in an unrealized loss position
Fair Value, Less than 12 Months	0	0
Unrealized Loss, Less than 12 Months	0	0
Fair Value, 12 Months or More	4,095	4,290
Unrealized Loss, 12 Months or More	68	96
Fair Value, Total	4,095	4,290
Unrealized Loss, Total	$ 68	$ 96

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Securities - Summary of debt securities available-for-sale in unrealized loss position (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	$ 118,902	$ 328,787
Unrealized Loss, Less than 12 Months	1,365	3,309
Fair Value, 12 Months or More	1,170,284	1,555,326
Unrealized Loss, 12 Months or More	12,772	34,941
Fair Value, Total	1,289,186	1,884,113
Unrealized Loss, Total	14,137	38,250
U.S. Treasuries
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	0	0
Unrealized Loss, Less than 12 Months	0	0
Fair Value, 12 Months or More	122,122	120,391
Unrealized Loss, 12 Months or More	576	2,172
Fair Value, Total	122,122	120,391
Unrealized Loss, Total	576	2,172
U.S. Government agencies
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	0	0
Unrealized Loss, Less than 12 Months	0	0
Fair Value, 12 Months or More	471	21,519
Unrealized Loss, 12 Months or More	3	275
Fair Value, Total	471	21,519
Unrealized Loss, Total	3	275
State and political subdivisions
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	415	15,160
Unrealized Loss, Less than 12 Months	1	28
Fair Value, 12 Months or More	18,186	133,500
Unrealized Loss, 12 Months or More	63	1,688
Fair Value, Total	18,601	148,660
Unrealized Loss, Total	64	1,716
Residential mortgage-backed securities
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	47,263	234,583
Unrealized Loss, Less than 12 Months	644	808
Fair Value, 12 Months or More	665,525	775,360
Unrealized Loss, 12 Months or More	9,105	21,090
Fair Value, Total	712,788	1,009,943
Unrealized Loss, Total	9,749	21,898
Commercial mortgage-backed securities
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	0	4,552
Unrealized Loss, Less than 12 Months	0	594
Fair Value, 12 Months or More	237,883	355,292
Unrealized Loss, 12 Months or More	2,291	7,339
Fair Value, Total	237,883	359,844
Unrealized Loss, Total	2,291	7,933
Corporate bonds
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	0	0
Unrealized Loss, Less than 12 Months	0	0
Fair Value, 12 Months or More	108,272	117,296
Unrealized Loss, 12 Months or More	301	1,921
Fair Value, Total	108,272	117,296
Unrealized Loss, Total	301	1,921
Asset-backed securities
Summary of available for sale securities in an unrealized loss position
Fair Value, Less than 12 Months	71,224	74,492
Unrealized Loss, Less than 12 Months	720	1,879
Fair Value, 12 Months or More	17,825	31,968
Unrealized Loss, 12 Months or More	433	456
Fair Value, Total	89,049	106,460
Unrealized Loss, Total	$ 1,153	$ 2,335

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Securities - Summary of available-for-sale securities sales activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales	$ 178,604	$ 113,961
Gross gains on sales	1,287	417
Gross losses on sales	(1,554)	(1,357)
Net losses on sales of securities	(267)	(940)
Income tax benefit attributable to sales	$ (68)	$ (221)

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Securities - Amortized cost and fair value of held-to-maturity and available-for-sale securities by contractual maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Available-for-Sale, Amortized Cost
Amortized Cost	$ 2,452,981	$ 2,660,263
Available-for-Sale, Fair Value
Fair Value	2,454,625	2,628,467
Held-to-Maturity, Amortized Cost
Amortized Cost	265,329	274,407
Held-to-Maturity, Fair Value
Fair value	265,117	268,803
U.S. Treasuries
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, 1 to 5 years	142,409
Amortized Cost	142,409	150,712
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, 1 to 5 years	141,855
Fair Value	141,855	149,307
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, 1 to 5 years	0
Fair value	0
U.S. Government agencies
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, 1 to 5 years	474
Available-for-Sale, Amortized Cost, More than 10 years	4,338
Amortized Cost	4,812	25,493
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, 1 to 5 years	471
Available-for-Sale, Fair Value, More than 10 years	4,630
Fair Value	5,101	25,553
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Held-to-Maturity, Amortized Cost, More than 10 years	0
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, 1 to 5 years	0
Held-to-Maturity, Fair Value, More than 10 years	0
Fair value	0
State and political subdivisions
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	500
Available-for-Sale, Amortized Cost, 1 to 5 years	36,058
Available-for-Sale, Amortized Cost, 5 to 10 years	35,888
Available-for-Sale, Amortized Cost, More than 10 years	144,674
Amortized Cost	217,120	234,750
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	502
Available-for-Sale, Fair Value, 1 to 5 years	36,060
Available-for-Sale, Fair Value, 5 to 10 years	36,743
Available-for-Sale, Fair Value, More than 10 years	148,875
Fair Value	222,180	233,941
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	3,250
Held-to-Maturity, Amortized Cost, 1 to 5 years	11,567
Held-to-Maturity, Amortized Cost, 5 to 10 years	7,753
Held-to-Maturity, Amortized Cost, More than 10 years	42,949
Amortized Cost	65,519	68,551
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	3,262
Held-to-Maturity, Fair Value, 1 to 5 years	12,024
Held-to-Maturity, Fair Value, 5 to 10 years	8,423
Held-to-Maturity, Fair Value, More than 10 years	42,797
Fair value	66,506	67,312
Corporate bonds
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	10,239
Available-for-Sale, Amortized Cost, 1 to 5 years	187,732
Available-for-Sale, Amortized Cost, 5 to 10 years	1,500
Available-for-Sale, Amortized Cost, More than 10 years	1,000
Amortized Cost	200,471	200,582
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	10,219
Available-for-Sale, Fair Value, 1 to 5 years	187,948
Available-for-Sale, Fair Value, 5 to 10 years	1,514
Available-for-Sale, Fair Value, More than 10 years	995
Fair Value	200,676	199,163
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	0
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Held-to-Maturity, Amortized Cost, 5 to 10 years	0
Held-to-Maturity, Amortized Cost, More than 10 years	0
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	0
Held-to-Maturity, Fair Value, 1 to 5 years	0
Held-to-Maturity, Fair Value, 5 to 10 years	0
Held-to-Maturity, Fair Value, More than 10 years	0
Fair value	0
Asset-backed securities
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, 1 to 5 years	2,121
Available-for-Sale, Amortized Cost, More than 10 years	126,238
Amortized Cost	128,359	184,683
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, 1 to 5 years	2,107
Available-for-Sale, Fair Value, More than 10 years	125,282
Fair Value	127,389	182,676
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Held-to-Maturity, Amortized Cost, More than 10 years	0
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, 1 to 5 years	0
Held-to-Maturity, Fair Value, More than 10 years	0
Fair value	0
Total securities other than mortgage-backed securities
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	10,739
Available-for-Sale, Amortized Cost, 1 to 5 years	368,794
Available-for-Sale, Amortized Cost, 5 to 10 years	37,388
Available-for-Sale, Amortized Cost, More than 10 years	276,250
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	10,721
Available-for-Sale, Fair Value, 1 to 5 years	368,441
Available-for-Sale, Fair Value, 5 to 10 years	38,257
Available-for-Sale, Fair Value, More than 10 years	279,782
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	3,250
Held-to-Maturity, Amortized Cost, 1 to 5 years	11,567
Held-to-Maturity, Amortized Cost, 5 to 10 years	7,753
Held-to-Maturity, Amortized Cost, More than 10 years	42,949
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	3,262
Held-to-Maturity, Fair Value, 1 to 5 years	12,024
Held-to-Maturity, Fair Value, 5 to 10 years	8,423
Held-to-Maturity, Fair Value, More than 10 years	42,797
Residential mortgage-backed securities
Available-for-Sale, Amortized Cost
Amortized Cost	1,414,612	1,464,380
Available-for-Sale, Fair Value
Fair Value	1,414,085	1,445,910
Held-to-Maturity, Amortized Cost
Amortized Cost	170,980	176,488
Held-to-Maturity, Fair Value
Fair value	169,526	172,046
Commercial mortgage-backed securities
Available-for-Sale, Amortized Cost
Amortized Cost	345,198	399,663
Available-for-Sale, Fair Value
Fair Value	343,339	391,917
Held-to-Maturity, Amortized Cost
Amortized Cost	28,830	29,368
Held-to-Maturity, Fair Value
Fair value	$ 29,085	$ 29,445

XML

Loans and Leases and Allowance for Credit Losses - Major classifications of loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Classifications of loans
Total loans	$ 8,493,254	$ 8,383,401
Less allowance for loan and lease losses	(61,642)	(61,203)
Loans and leases, net	8,431,612	8,322,198
Loans Receivable
Classifications of loans
Total loans	8,493,254	8,383,401
Loans Receivable | Indirect auto
Classifications of loans
Total loans	180,753	207,692
Loans Receivable | Commercial
Classifications of loans
Total loans	6,243,008	6,099,443
Loans Receivable | Commercial | Owner occupied commercial real estate
Classifications of loans
Total loans	1,620,068	1,647,904
Loans Receivable | Commercial | Income producing commercial real estate
Classifications of loans
Total loans	1,867,425	1,812,420
Loans Receivable | Commercial | Commercial & industrial
Classifications of loans
Total loans	1,283,865	1,278,347
Loans Receivable | Commercial | Construction
Classifications of loans
Total loans	865,666	796,158
Loans Receivable | Commercial | Equipment financing
Classifications of loans
Total loans	605,984	564,614
Loans Receivable | Residential | Residential mortgage
Classifications of loans
Total loans	1,063,840	1,049,232
Loans Receivable | Residential | Home equity lines of credit
Classifications of loans
Total loans	683,771	694,010
Loans Receivable | Residential | Construction
Classifications of loans
Total loans	200,708	211,011
Loans Receivable | Consumer direct
Classifications of loans
Total loans	$ 121,174	$ 122,013

XML

Loans and Leases and Allowance for Credit Losses - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Remaining accretable fair value mark on loans	$ 4,440,000		$ 4,310,000
Net investment in leases	33,492,000		30,384,000
Criteria amount for evaluation of impairment	500,000
Specific reserves	2,220,000		2,310,000
Gross additional interest income that would have been earned if the nonaccrual loans had performed as per original terms	378,000	$ 342,000
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value of purchased credit impaired loans	68,718,000		74,449,000
Unpaid principal balance of purchased credit impaired ("PCI") loans	100,000,000		109,000,000
Additional availability on loans classified as troubled debt restructurings	0		0
Loans Receivable | Indirect auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value of purchased credit impaired loans	0		0
Remaining accretable fair value mark on loans	3,030,000		3,720,000
FHLB
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pledged as collateral to secure FHLB advances	$ 4,030,000,000		$ 3,980,000,000

XML

Loans and Leases and Allowance for Credit Losses - Changes in the value of the accretable yield for acquired loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	$ 26,868	$ 17,686
Additions due to acquisitions	0	1,830
Accretion	(4,813)	(2,546)
Reclassification from nonaccretable difference	2,706	591
Changes in expected cash flows that do not affect nonaccretable difference	1,863	475
Balance at end of period	$ 26,624	$ 18,036

XML

Loans and Leases and Allowance for Credit Losses - Components of net investment in leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Net Investment in Leases
Minimum future lease payments receivable	$ 35,385	$ 31,915
Estimated residual value of leased equipment	3,791	3,593
Initial direct costs	856	827
Security deposits	(1,173)	(1,189)
Purchase accounting premium	644	806
Unearned income	(6,011)	(5,568)
Net investment in leases	$ 33,492	$ 30,384

XML

Loans and Leases and Allowance for Credit Losses - Minimum future lease payment to be received (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Minimum future lease payments expected to be received
Remainder of 2019	$ 10,384
2020	10,960
2021	7,156
2022	4,249
2023	2,046
Thereafter	590
Total	$ 35,385

XML

Loans and Leases and Allowance for Credit Losses - Balance and activity in allowance for loan losses by portfolio segment and recorded investment in loans by portfolio segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	$ 64,613	$ 61,226
Charge-Offs	(4,360)	(2,884)
Recoveries	1,230	1,383
(Release)Provision	3,300	3,800
Ending Balance	64,783	63,525
Allowance for unfunded commitments
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	3,410	2,312
Charge-Offs	0	0
Recoveries	0	0
(Release)Provision	(269)	128
Ending Balance	3,141	2,440
Loans Receivable
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	61,203	58,914
Charge-Offs	(4,360)	(2,884)
Recoveries	1,230	1,383
(Release)Provision	3,569	3,672
Ending Balance	61,642	61,085
Loans Receivable | Indirect auto
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	999	1,550
Charge-Offs	(197)	(436)
Recoveries	38	80
(Release)Provision	32	224
Ending Balance	872	1,418
Loans Receivable | Commercial | Owner occupied commercial real estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	12,207	14,776
Charge-Offs	(5)	(60)
Recoveries	69	103
(Release)Provision	(397)	(258)
Ending Balance	11,874	14,561
Loans Receivable | Commercial | Income producing commercial real estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	11,073	9,381
Charge-Offs	(197)	(657)
Recoveries	20	235
(Release)Provision	230	817
Ending Balance	11,126	9,776
Loans Receivable | Commercial | Commercial & industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	4,802	3,971
Charge-Offs	(1,519)	(384)
Recoveries	163	389
(Release)Provision	1,449	99
Ending Balance	4,895	4,075
Loans Receivable | Commercial | Construction
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	10,337	10,523
Charge-Offs	(69)	(363)
Recoveries	394	97
(Release)Provision	(387)	(223)
Ending Balance	10,275	10,034
Loans Receivable | Commercial | Equipment financing
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	5,452	0
Charge-Offs	(1,424)	(139)
Recoveries	143	97
(Release)Provision	2,060	2,333
Ending Balance	6,231	2,291
Loans Receivable | Residential | Construction
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	2,433	2,729
Charge-Offs	(4)	0
Recoveries	26	64
(Release)Provision	(65)	251
Ending Balance	2,390	3,044
Loans Receivable | Residential | Residential mortgage
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	8,295	10,097
Charge-Offs	(61)	(70)
Recoveries	48	123
(Release)Provision	63	71
Ending Balance	8,345	10,221
Loans Receivable | Residential | Home equity lines of credit
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	4,752	5,177
Charge-Offs	(337)	(124)
Recoveries	122	35
(Release)Provision	260	(156)
Ending Balance	4,797	4,932
Loans Receivable | Consumer direct
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	853	710
Charge-Offs	(547)	(651)
Recoveries	207	160
(Release)Provision	324	514
Ending Balance	$ 837	$ 733

XML

Loans and Leases and Allowance for Credit Losses - Recorded investment in loans by portfolio segment and the balance of the allowance for loan losses (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	$ 2,219	$ 2,312
Allowance for Credit Losses, Collectively evaluated for impairment	61,930	61,541
Allowance for Credit Losses, PCI	634	760
Allowance for Credit Losses, Ending balance	64,783	64,613	$ 63,525	$ 61,226
Loans Outstanding, Ending Balance	8,493,254	8,383,401
Allowance for unfunded commitments
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	0	0
Allowance for Credit Losses, Collectively evaluated for impairment	3,141	3,410
Allowance for Credit Losses, PCI	0	0
Allowance for Credit Losses, Ending balance	3,141	3,410	2,440	2,312
Loans Receivable
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	2,219	2,312
Allowance for Credit Losses, Collectively evaluated for impairment	58,789	58,131
Allowance for Credit Losses, PCI	634	760
Allowance for Credit Losses, Ending balance	61,642	61,203	61,085	58,914
Loans Outstanding, Individually evaluated for impairment	53,794	55,449
Loans Outstanding, Collectively evaluated for impairment	8,370,742	8,253,503
PCI Loans	68,718	74,449
Loans Outstanding, Ending Balance	8,493,254	8,383,401
Loans Receivable | Indirect auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	25	26
Allowance for Credit Losses, Collectively evaluated for impairment	847	973
Allowance for Credit Losses, PCI	0	0
Allowance for Credit Losses, Ending balance	872	999	1,418	1,550
Loans Outstanding, Individually evaluated for impairment	1,104	1,237
Loans Outstanding, Collectively evaluated for impairment	179,649	206,455
PCI Loans	0	0
Loans Outstanding, Ending Balance	180,753	207,692
Loans Receivable | Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI Loans	57,387	62,420
Loans Outstanding, Ending Balance	6,243,008	6,099,443
Loans Receivable | Commercial | Owner occupied commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	825	862
Allowance for Credit Losses, Collectively evaluated for impairment	10,894	11,328
Allowance for Credit Losses, PCI	155	17
Allowance for Credit Losses, Ending balance	11,874	12,207	14,561	14,776
Loans Outstanding, Individually evaluated for impairment	17,238	17,602
Loans Outstanding, Collectively evaluated for impairment	1,594,226	1,620,450
PCI Loans	8,604	9,852
Loans Outstanding, Ending Balance	1,620,068	1,647,904
Loans Receivable | Commercial | Income producing commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	280	402
Allowance for Credit Losses, Collectively evaluated for impairment	10,846	10,671
Allowance for Credit Losses, PCI	0	0
Allowance for Credit Losses, Ending balance	11,126	11,073	9,776	9,381
Loans Outstanding, Individually evaluated for impairment	14,125	16,584
Loans Outstanding, Collectively evaluated for impairment	1,817,203	1,757,525
PCI Loans	36,097	38,311
Loans Outstanding, Ending Balance	1,867,425	1,812,420
Loans Receivable | Commercial | Commercial & industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	36	32
Allowance for Credit Losses, Collectively evaluated for impairment	4,855	4,761
Allowance for Credit Losses, PCI	4	9
Allowance for Credit Losses, Ending balance	4,895	4,802	4,075	3,971
Loans Outstanding, Individually evaluated for impairment	1,701	1,621
Loans Outstanding, Collectively evaluated for impairment	1,281,823	1,276,318
PCI Loans	341	408
Loans Outstanding, Ending Balance	1,283,865	1,278,347
Loans Receivable | Commercial | Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	68	71
Allowance for Credit Losses, Collectively evaluated for impairment	10,001	9,974
Allowance for Credit Losses, PCI	206	292
Allowance for Credit Losses, Ending balance	10,275	10,337	10,034	10,523
Loans Outstanding, Individually evaluated for impairment	2,379	2,491
Loans Outstanding, Collectively evaluated for impairment	857,683	787,760
PCI Loans	5,604	5,907
Loans Outstanding, Ending Balance	865,666	796,158
Loans Receivable | Commercial | Equipment financing
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	0	0
Allowance for Credit Losses, Collectively evaluated for impairment	5,988	5,045
Allowance for Credit Losses, PCI	243	407
Allowance for Credit Losses, Ending balance	6,231	5,452	2,291	0
Loans Outstanding, Individually evaluated for impairment	0	0
Loans Outstanding, Collectively evaluated for impairment	599,243	556,672
PCI Loans	6,741	7,942
Loans Outstanding, Ending Balance	605,984	564,614
Loans Receivable | Residential | Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	63	51
Allowance for Credit Losses, Collectively evaluated for impairment	2,327	2,382
Allowance for Credit Losses, PCI	0	0
Allowance for Credit Losses, Ending balance	2,390	2,433	3,044	2,729
Loans Outstanding, Individually evaluated for impairment	1,340	1,207
Loans Outstanding, Collectively evaluated for impairment	198,787	209,070
PCI Loans	581	734
Loans Outstanding, Ending Balance	200,708	211,011
Loans Receivable | Residential | Residential mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	916	861
Allowance for Credit Losses, Collectively evaluated for impairment	7,403	7,410
Allowance for Credit Losses, PCI	26	24
Allowance for Credit Losses, Ending balance	8,345	8,295	10,221	10,097
Loans Outstanding, Individually evaluated for impairment	15,453	14,220
Loans Outstanding, Collectively evaluated for impairment	1,039,582	1,025,862
PCI Loans	8,805	9,150
Loans Outstanding, Ending Balance	1,063,840	1,049,232
Loans Receivable | Residential | Home equity lines of credit
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	1	1
Allowance for Credit Losses, Collectively evaluated for impairment	4,796	4,740
Allowance for Credit Losses, PCI	0	11
Allowance for Credit Losses, Ending balance	4,797	4,752	4,932	5,177
Loans Outstanding, Individually evaluated for impairment	255	276
Loans Outstanding, Collectively evaluated for impairment	682,047	692,122
PCI Loans	1,469	1,612
Loans Outstanding, Ending Balance	683,771	694,010
Loans Receivable | Consumer direct
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Credit Losses, Individually evaluated for impairment	5	6
Allowance for Credit Losses, Collectively evaluated for impairment	832	847
Allowance for Credit Losses, PCI	0	0
Allowance for Credit Losses, Ending balance	837	853	$ 733	$ 710
Loans Outstanding, Individually evaluated for impairment	199	211
Loans Outstanding, Collectively evaluated for impairment	120,499	121,269
PCI Loans	476	533
Loans Outstanding, Ending Balance	$ 121,174	$ 122,013

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Loans and Leases and Allowance for Credit Losses - Loans individually evaluated for impairment by class of loans (Details) - Loans Receivable - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	$ 24,831	$ 26,829
Unpaid Principal Balance, With an allowance recorded	33,253	32,995
Unpaid Principal Balance	58,084	59,824
Recorded Investment
Recorded Investment, With no related allowance recorded	21,663	23,477
Recorded Investment, With allowance recorded	32,131	31,972
Recorded Investment	53,794	55,449
Allowance for Loan Losses Allocated	2,219	2,312
Indirect auto
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	142	294
Unpaid Principal Balance, With an allowance recorded	975	946
Recorded Investment
Recorded Investment, With no related allowance recorded	130	292
Recorded Investment, With allowance recorded	974	945
Allowance for Loan Losses Allocated	25	26
Commercial
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	17,133	19,846
Unpaid Principal Balance, With an allowance recorded	21,606	21,845
Recorded Investment
Recorded Investment, With no related allowance recorded	14,789	17,304
Recorded Investment, With allowance recorded	20,654	20,994
Allowance for Loan Losses Allocated	1,209	1,367
Commercial | Owner occupied commercial real estate
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	8,159	8,650
Unpaid Principal Balance, With an allowance recorded	11,191	11,095
Recorded Investment
Recorded Investment, With no related allowance recorded	6,089	6,546
Recorded Investment, With allowance recorded	11,149	11,056
Allowance for Loan Losses Allocated	825	862
Commercial | Income producing commercial real estate
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	8,333	9,986
Unpaid Principal Balance, With an allowance recorded	6,166	6,968
Recorded Investment
Recorded Investment, With no related allowance recorded	8,227	9,881
Recorded Investment, With allowance recorded	5,898	6,703
Allowance for Loan Losses Allocated	280	402
Commercial | Commercial & industrial
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	522	525
Unpaid Principal Balance, With an allowance recorded	1,746	1,652
Recorded Investment
Recorded Investment, With no related allowance recorded	360	370
Recorded Investment, With allowance recorded	1,341	1,251
Allowance for Loan Losses Allocated	36	32
Commercial | Construction
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	119	685
Unpaid Principal Balance, With an allowance recorded	2,503	2,130
Recorded Investment
Recorded Investment, With no related allowance recorded	113	507
Recorded Investment, With allowance recorded	2,266	1,984
Allowance for Loan Losses Allocated	68	71
Commercial | Equipment financing
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	0	0
Unpaid Principal Balance, With an allowance recorded	0	0
Recorded Investment
Recorded Investment, With no related allowance recorded	0	0
Recorded Investment, With allowance recorded	0	0
Allowance for Loan Losses Allocated	0	0
Residential | Construction
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	753	554
Unpaid Principal Balance, With an allowance recorded	727	791
Recorded Investment
Recorded Investment, With no related allowance recorded	624	428
Recorded Investment, With allowance recorded	716	779
Allowance for Loan Losses Allocated	63	51
Residential | Residential mortgage
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	6,513	5,787
Unpaid Principal Balance, With an allowance recorded	9,713	9,169
Recorded Investment
Recorded Investment, With no related allowance recorded	5,890	5,202
Recorded Investment, With allowance recorded	9,563	9,018
Allowance for Loan Losses Allocated	916	861
Residential | Home equity lines of credit
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	275	330
Unpaid Principal Balance, With an allowance recorded	43	45
Recorded Investment
Recorded Investment, With no related allowance recorded	215	234
Recorded Investment, With allowance recorded	40	42
Allowance for Loan Losses Allocated	1	1
Consumer direct
Unpaid Principal Balance
Unpaid Principal Balance, With no related allowance recorded	15	18
Unpaid Principal Balance, With an allowance recorded	189	199
Recorded Investment
Recorded Investment, With no related allowance recorded	15	17
Recorded Investment, With allowance recorded	184	194
Allowance for Loan Losses Allocated	$ 5	$ 6

XML

Loans and Leases and Allowance for Credit Losses - Loans modified under terms of TDR (Details) - Loans Receivable $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) contract	Mar. 31, 2018 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	10	6
Pre-modification Outstanding Recorded Investment	$ 587	$ 1,415
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 577	$ 1,323
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	2
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 1,586
Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	513	1,323
Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 64	$ 0
Indirect auto
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	6	0
Pre-modification Outstanding Recorded Investment	$ 66	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 57	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Indirect auto | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Indirect auto | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Indirect auto | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 57	$ 0
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	2	4
Pre-modification Outstanding Recorded Investment	$ 176	$ 1,075
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 176	$ 983
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	2
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 1,586
Commercial | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	169	983
Commercial | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 7	$ 0
Commercial | Owner occupied commercial real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	3
Pre-modification Outstanding Recorded Investment	$ 0	$ 994
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 978
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	2
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 1,586
Commercial | Owner occupied commercial real estate | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Owner occupied commercial real estate | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	978
Commercial | Owner occupied commercial real estate | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Commercial | Income producing commercial real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	0
Pre-modification Outstanding Recorded Investment	$ 169	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 169	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Commercial | Income producing commercial real estate | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Income producing commercial real estate | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	169	0
Commercial | Income producing commercial real estate | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Commercial | Commercial & industrial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	1
Pre-modification Outstanding Recorded Investment	$ 7	$ 81
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 7	$ 5
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Commercial | Commercial & industrial | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Commercial & industrial | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	5
Commercial | Commercial & industrial | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 7	$ 0
Commercial | Construction
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Commercial | Construction | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Construction | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Construction | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Commercial | Equipment financing
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Commercial | Equipment financing | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Equipment financing | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Commercial | Equipment financing | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Residential | Construction
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Residential | Construction | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Residential | Construction | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Residential | Construction | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Residential | Residential mortgage
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	2	2
Pre-modification Outstanding Recorded Investment	$ 345	$ 340
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 344	$ 340
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Residential | Residential mortgage | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Residential | Residential mortgage | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	344	340
Residential | Residential mortgage | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Residential | Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Residential | Home equity lines of credit | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Residential | Home equity lines of credit | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Residential | Home equity lines of credit | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Consumer direct
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Number of Contracts | contract	0	0
Modified Within the Previous Twelve Months that Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0
Consumer direct | Rate Reduction
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Consumer direct | Structure
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0
Consumer direct | Other
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0

XML

Loans and Leases and Allowance for Credit Losses - Average balances of impaired loans and income recognized on impaired loans (Details) - Loans Receivable - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Average balances of impaired loans and income recognized on impaired loans
Average Balance	$ 54,328	$ 66,219
Interest Revenue Recognized During Impairment	745	746
Cash Basis Interest Revenue Received	761	810
Indirect auto
Average balances of impaired loans and income recognized on impaired loans
Average Balance	1,190	1,378
Interest Revenue Recognized During Impairment	14	18
Cash Basis Interest Revenue Received	14	18
Commercial
Average balances of impaired loans and income recognized on impaired loans
Average Balance	35,765	47,623
Interest Revenue Recognized During Impairment	531	546
Cash Basis Interest Revenue Received	543	609
Commercial | Owner occupied commercial real estate
Average balances of impaired loans and income recognized on impaired loans
Average Balance	17,410	24,658
Interest Revenue Recognized During Impairment	285	245
Cash Basis Interest Revenue Received	284	280
Commercial | Income producing commercial real estate
Average balances of impaired loans and income recognized on impaired loans
Average Balance	14,237	16,433
Interest Revenue Recognized During Impairment	193	210
Cash Basis Interest Revenue Received	207	235
Commercial | Commercial & industrial
Average balances of impaired loans and income recognized on impaired loans
Average Balance	1,716	2,596
Interest Revenue Recognized During Impairment	19	40
Cash Basis Interest Revenue Received	19	42
Commercial | Construction
Average balances of impaired loans and income recognized on impaired loans
Average Balance	2,402	3,936
Interest Revenue Recognized During Impairment	34	51
Cash Basis Interest Revenue Received	33	52
Commercial | Equipment financing
Average balances of impaired loans and income recognized on impaired loans
Average Balance	0	0
Interest Revenue Recognized During Impairment	0	0
Cash Basis Interest Revenue Received	0	0
Residential | Construction
Average balances of impaired loans and income recognized on impaired loans
Average Balance	1,408	1,590
Interest Revenue Recognized During Impairment	24	24
Cash Basis Interest Revenue Received	23	24
Residential | Residential mortgage
Average balances of impaired loans and income recognized on impaired loans
Average Balance	15,502	14,993
Interest Revenue Recognized During Impairment	168	149
Cash Basis Interest Revenue Received	174	150
Residential | Home equity lines of credit
Average balances of impaired loans and income recognized on impaired loans
Average Balance	258	344
Interest Revenue Recognized During Impairment	4	4
Cash Basis Interest Revenue Received	3	4
Consumer direct
Average balances of impaired loans and income recognized on impaired loans
Average Balance	205	291
Interest Revenue Recognized During Impairment	4	5
Cash Basis Interest Revenue Received	$ 4	$ 5

XML

Loans and Leases and Allowance for Credit Losses - Recorded investment in nonaccrual loans by loan class (Details) - Loans Receivable - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	$ 23,624	$ 23,778
Indirect auto
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	458	726
Commercial
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	12,258	12,280
Commercial | Owner occupied commercial real estate
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	7,030	6,421
Commercial | Income producing commercial real estate
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	1,276	1,160
Commercial | Commercial & industrial
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	1,666	1,417
Commercial | Construction
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	473	605
Commercial | Equipment financing
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	1,813	2,677
Residential | Residential mortgage
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	8,281	8,035
Residential | Home equity lines of credit
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	2,233	2,360
Residential | Construction
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	347	288
Consumer direct
Recorded investment in nonaccrual loans by loan class
Nonaccrual Loans	$ 47	$ 89

XML

Loans and Leases and Allowance for Credit Losses - Aging of recorded investment in past due loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Recorded investment in nonaccrual loans by loan class
Loans Outstanding, Ending Balance	$ 8,493,254	$ 8,383,401
Loans Receivable
Recorded investment in nonaccrual loans by loan class
Loans Past Due	34,518	38,304
Loans Not Past Due	8,390,018	8,270,648
PCI Loans	68,718	74,449
Loans Outstanding, Ending Balance	8,493,254	8,383,401
Loans Receivable | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	19,464	22,405
Loans Receivable | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	5,945	7,765
Loans Receivable | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	9,109	8,134
Loans Receivable | Indirect auto
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,312	1,706
Loans Not Past Due	179,441	205,986
PCI Loans	0	0
Loans Outstanding, Ending Balance	180,753	207,692
Loans Receivable | Indirect auto | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	711	750
Loans Receivable | Indirect auto | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	185	323
Loans Receivable | Indirect auto | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	416	633
Loans Receivable | Commercial
Recorded investment in nonaccrual loans by loan class
Loans Past Due	20,551	22,056
Loans Not Past Due	6,165,070	6,014,967
PCI Loans	57,387	62,420
Loans Outstanding, Ending Balance	6,243,008	6,099,443
Loans Receivable | Commercial | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	10,440	12,973
Loans Receivable | Commercial | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	3,394	4,645
Loans Receivable | Commercial | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	6,717	4,438
Loans Receivable | Commercial | Owner occupied commercial real estate
Recorded investment in nonaccrual loans by loan class
Loans Past Due	9,114	6,450
Loans Not Past Due	1,602,350	1,631,602
PCI Loans	8,604	9,852
Loans Outstanding, Ending Balance	1,620,068	1,647,904
Loans Receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	4,644	2,542
Loans Receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,142	2,897
Loans Receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	3,328	1,011
Loans Receivable | Commercial | Income producing commercial real estate
Recorded investment in nonaccrual loans by loan class
Loans Past Due	2,030	2,216
Loans Not Past Due	1,829,298	1,771,893
PCI Loans	36,097	38,311
Loans Outstanding, Ending Balance	1,867,425	1,812,420
Loans Receivable | Commercial | Income producing commercial real estate | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,199	1,624
Loans Receivable | Commercial | Income producing commercial real estate | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	125	291
Loans Receivable | Commercial | Income producing commercial real estate | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	706	301
Loans Receivable | Commercial | Commercial & industrial
Recorded investment in nonaccrual loans by loan class
Loans Past Due	4,376	8,307
Loans Not Past Due	1,279,148	1,269,632
PCI Loans	341	408
Loans Outstanding, Ending Balance	1,283,865	1,278,347
Loans Receivable | Commercial | Commercial & industrial | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	2,649	7,189
Loans Receivable | Commercial | Commercial & industrial | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	790	718
Loans Receivable | Commercial | Commercial & industrial | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	937	400
Loans Receivable | Commercial | Construction
Recorded investment in nonaccrual loans by loan class
Loans Past Due	606	335
Loans Not Past Due	859,456	789,916
PCI Loans	5,604	5,907
Loans Outstanding, Ending Balance	865,666	796,158
Loans Receivable | Commercial | Construction | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	139	267
Loans Receivable | Commercial | Construction | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	443	0
Loans Receivable | Commercial | Construction | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	24	68
Loans Receivable | Commercial | Equipment financing
Recorded investment in nonaccrual loans by loan class
Loans Past Due	4,425	4,748
Loans Not Past Due	594,818	551,924
PCI Loans	6,741	7,942
Loans Outstanding, Ending Balance	605,984	564,614
Loans Receivable | Commercial | Equipment financing | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,809	1,351
Loans Receivable | Commercial | Equipment financing | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	894	739
Loans Receivable | Commercial | Equipment financing | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,722	2,658
Loans Receivable | Residential | Construction
Recorded investment in nonaccrual loans by loan class
Loans Past Due	860	762
Loans Not Past Due	199,267	209,515
PCI Loans	581	734
Loans Outstanding, Ending Balance	200,708	211,011
Loans Receivable | Residential | Construction | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	574	509
Loans Receivable | Residential | Construction | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	132	63
Loans Receivable | Residential | Construction | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	154	190
Loans Receivable | Residential | Residential mortgage
Recorded investment in nonaccrual loans by loan class
Loans Past Due	7,665	9,199
Loans Not Past Due	1,047,370	1,030,883
PCI Loans	8,805	9,150
Loans Outstanding, Ending Balance	1,063,840	1,049,232
Loans Receivable | Residential | Residential mortgage | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	4,862	5,461
Loans Receivable | Residential | Residential mortgage | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,511	1,788
Loans Receivable | Residential | Residential mortgage | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	1,292	1,950
Loans Receivable | Residential | Home equity lines of credit
Recorded investment in nonaccrual loans by loan class
Loans Past Due	3,517	3,878
Loans Not Past Due	678,785	688,520
PCI Loans	1,469	1,612
Loans Outstanding, Ending Balance	683,771	694,010
Loans Receivable | Residential | Home equity lines of credit | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	2,355	2,112
Loans Receivable | Residential | Home equity lines of credit | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	634	864
Loans Receivable | Residential | Home equity lines of credit | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	528	902
Loans Receivable | Consumer direct
Recorded investment in nonaccrual loans by loan class
Loans Past Due	613	703
Loans Not Past Due	120,085	120,777
PCI Loans	476	533
Loans Outstanding, Ending Balance	121,174	122,013
Loans Receivable | Consumer direct | Loans Past Due, 30 - 59 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	522	600
Loans Receivable | Consumer direct | Loans Past Due, 60 - 89 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	89	82
Loans Receivable | Consumer direct | Loans Past Due, > 90 Days
Recorded investment in nonaccrual loans by loan class
Loans Past Due	$ 2	$ 21

XML

Loans and Leases and Allowance for Credit Losses - Risk category of loans by class of loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Risk category of loans by class of loans
Total loans	$ 8,493,254	$ 8,383,401
Pass
Risk category of loans by class of loans
Total loans	8,310,704	8,201,872
Watch
Risk category of loans by class of loans
Total loans	68,721	66,969
Substandard
Risk category of loans by class of loans
Total loans	113,829	114,560
Doubtful / Loss
Risk category of loans by class of loans
Total loans	0	0
Loans Receivable
Risk category of loans by class of loans
Total loans, excluding PCI loans	8,424,536	8,308,952
PCI Loans	68,718	74,449
Total loans	8,493,254	8,383,401
Loans Receivable | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	8,264,973	8,154,010
PCI Loans	45,731	47,862
Loans Receivable | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	54,343	50,556
PCI Loans	14,378	16,413
Loans Receivable | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	105,220	104,386
PCI Loans	8,609	10,174
Loans Receivable | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Indirect auto
Risk category of loans by class of loans
Total loans, excluding PCI loans	180,753	207,692
PCI Loans	0	0
Total loans	180,753	207,692
Loans Receivable | Indirect auto | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	178,740	205,632
PCI Loans	0	0
Loans Receivable | Indirect auto | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Indirect auto | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	2,013	2,060
PCI Loans	0	0
Loans Receivable | Indirect auto | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial
Risk category of loans by class of loans
Total loans, excluding PCI loans	6,185,621	6,037,023
PCI Loans	57,387	62,420
Total loans	6,243,008	6,099,443
Loans Receivable | Commercial | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	6,044,173	5,900,234
PCI Loans	36,887	38,276
Loans Receivable | Commercial | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	54,343	50,537
PCI Loans	14,378	16,413
Loans Receivable | Commercial | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	87,105	86,252
PCI Loans	6,122	7,731
Loans Receivable | Commercial | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial | Owner occupied commercial real estate
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,611,464	1,638,052
PCI Loans	8,604	9,852
Total loans	1,620,068	1,647,904
Loans Receivable | Commercial | Owner occupied commercial real estate | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,557,510	1,585,797
PCI Loans	2,803	3,352
Loans Receivable | Commercial | Owner occupied commercial real estate | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	17,511	16,651
PCI Loans	2,781	2,774
Loans Receivable | Commercial | Owner occupied commercial real estate | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	36,443	35,604
PCI Loans	3,020	3,726
Loans Receivable | Commercial | Owner occupied commercial real estate | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial | Income producing commercial real estate
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,831,328	1,774,109
PCI Loans	36,097	38,311
Total loans	1,867,425	1,812,420
Loans Receivable | Commercial | Income producing commercial real estate | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,789,063	1,735,456
PCI Loans	23,872	23,430
Loans Receivable | Commercial | Income producing commercial real estate | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	22,548	20,923
PCI Loans	11,389	13,403
Loans Receivable | Commercial | Income producing commercial real estate | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	19,717	17,730
PCI Loans	836	1,478
Loans Receivable | Commercial | Income producing commercial real estate | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial | Commercial & industrial
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,283,524	1,277,939
PCI Loans	341	408
Total loans	1,283,865	1,278,347
Loans Receivable | Commercial | Commercial & industrial | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,253,268	1,247,206
PCI Loans	246	266
Loans Receivable | Commercial | Commercial & industrial | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	7,517	8,430
PCI Loans	43	48
Loans Receivable | Commercial | Commercial & industrial | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	22,739	22,303
PCI Loans	52	94
Loans Receivable | Commercial | Commercial & industrial | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial | Construction
Risk category of loans by class of loans
Total loans, excluding PCI loans	860,062	790,251
PCI Loans	5,604	5,907
Total loans	865,666	796,158
Loans Receivable | Commercial | Construction | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	846,902	777,780
PCI Loans	3,340	3,503
Loans Receivable | Commercial | Construction | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	6,767	4,533
PCI Loans	165	188
Loans Receivable | Commercial | Construction | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	6,393	7,938
PCI Loans	2,099	2,216
Loans Receivable | Commercial | Construction | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial | Equipment financing
Risk category of loans by class of loans
Total loans, excluding PCI loans	599,243	556,672
PCI Loans	6,741	7,942
Total loans	605,984	564,614
Loans Receivable | Commercial | Equipment financing | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	597,430	553,995
PCI Loans	6,626	7,725
Loans Receivable | Commercial | Equipment financing | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Commercial | Equipment financing | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,813	2,677
PCI Loans	115	217
Loans Receivable | Commercial | Equipment financing | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Residential | Construction
Risk category of loans by class of loans
Total loans, excluding PCI loans	200,127	210,277
PCI Loans	581	734
Total loans	200,708	211,011
Loans Receivable | Residential | Construction | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	199,570	209,744
PCI Loans	542	687
Loans Receivable | Residential | Construction | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Residential | Construction | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	557	533
PCI Loans	39	47
Loans Receivable | Residential | Construction | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Residential | Residential mortgage
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,055,035	1,040,082
PCI Loans	8,805	9,150
Total loans	1,063,840	1,049,232
Loans Receivable | Residential | Residential mortgage | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	1,043,447	1,028,660
PCI Loans	6,512	6,914
Loans Receivable | Residential | Residential mortgage | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Residential | Residential mortgage | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	11,588	11,422
PCI Loans	2,293	2,236
Loans Receivable | Residential | Residential mortgage | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Residential | Home equity lines of credit
Risk category of loans by class of loans
Total loans, excluding PCI loans	682,302	692,398
PCI Loans	1,469	1,612
Total loans	683,771	694,010
Loans Receivable | Residential | Home equity lines of credit | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	678,578	688,493
PCI Loans	1,350	1,492
Loans Receivable | Residential | Home equity lines of credit | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Residential | Home equity lines of credit | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	3,724	3,905
PCI Loans	119	120
Loans Receivable | Residential | Home equity lines of credit | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	0	0
Loans Receivable | Consumer direct
Risk category of loans by class of loans
Total loans, excluding PCI loans	120,698	121,480
PCI Loans	476	533
Total loans	121,174	122,013
Loans Receivable | Consumer direct | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans	120,465	121,247
PCI Loans	440	493
Loans Receivable | Consumer direct | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	19
PCI Loans	0	0
Loans Receivable | Consumer direct | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans	233	214
PCI Loans	36	40
Loans Receivable | Consumer direct | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans	0	0
PCI Loans	$ 0	$ 0

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Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Securities losses, net	$ (267)	$ (940)
Money market deposit interest expense	(4,205)	(2,175)
Salaries and employee benefits expense	(47,503)	(42,875)
Other expense	(7,627)	(6,731)
Income tax benefit	(12,956)	(10,748)
Net of tax	43,947	37,381
Reclassifications Out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	(469)	(1,165)
Reclassifications Out of Accumulated Other Comprehensive Income | Realized losses on available-for-sale securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Securities losses, net	(267)	(940)
Income tax benefit	68	221
Net of tax	(199)	(719)
Reclassifications Out of Accumulated Other Comprehensive Income | Amortization of losses included in net income on available-for-sale securities transferred to held to maturity
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment securities interest revenue	(84)	(222)
Income tax benefit	20	54
Net of tax	(64)	(168)
Reclassifications Out of Accumulated Other Comprehensive Income | Amortization of losses included in net income on derivative financial instruments accounted for as cash flow hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Money market deposit interest expense	(102)	(147)
Income tax benefit	26	38
Net of tax	(76)	(109)
Reclassifications Out of Accumulated Other Comprehensive Income | Prior service cost
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits expense	(159)	(167)
Reclassifications Out of Accumulated Other Comprehensive Income | Actuarial losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits expense	0	(60)
Other expense	(15)	0
Reclassifications Out of Accumulated Other Comprehensive Income | Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	(174)	(227)
Income tax benefit	44	58
Net of tax	$ (130)	$ (169)

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Earnings Per Share - Computation of basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Computation of basic and diluted earnings per share
Net income	$ 44,262	$ 37,658
Dividends and undistributed earnings allocated to unvested shares	(315)	(277)
Net income available to common shareholders	$ 43,947	$ 37,381
Weighted average shares outstanding:
Basic (in shares)	79,807	79,205
Effect of dilutive securities
Diluted (in shares)	79,813	79,215
Net income per common share:
Basic (in dollars per share)	$ 0.55	$ 0.47
Diluted (in dollars per share)	$ 0.55	$ 0.47
Employee Stock Option
Effect of dilutive securities
Stock options (in shares)	3	10
Restricted Stock Units
Effect of dilutive securities
Stock options (in shares)	3	0

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Earnings Per Share - Narrative (Details) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Exercise price of warrants (in dollars per share)		$ 61.4
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation (in shares)	31,812	32,464
Weighted average exercise price of stock options (in dollars per share)	$ 31.47	$ 31.50
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation (in shares)		219,909

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Derivatives and Hedging Activities - Derivatives designated as hedging instruments under ASC 815 (Details) - Designated as Hedging Instrument - Fair value hedging - Derivative liabilities - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivatives accounted for as hedges, liability derivatives, fair value	$ 1,251	$ 1,682
Brokered CD's
Derivatives, Fair Value [Line Items]
Derivatives accounted for as hedges, liability derivatives, fair value	$ 1,251	$ 1,682

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Derivatives and Hedging Activities - Derivatives not designated as hedging instruments under ASC 815 (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Derivative assets
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, assets at fair value	$ 25,924	$ 24,705
Derivative assets | Customer derivative positions
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, assets at fair value	12,658	5,216
Derivative assets | Dealer offsets to customer derivative positions
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, assets at fair value	3,691	7,620
Derivative assets | Mortgage banking - loan commitment
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, assets at fair value	1,796	1,190
Derivative assets | Mortgage banking - forward sales commitment
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, assets at fair value	14	28
Derivative assets | Bifurcated embedded derivatives
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, assets at fair value	7,765	10,651
Derivative liabilities
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	17,538	24,751
Derivative liabilities | Customer derivative positions
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	4,118	9,661
Derivative liabilities | Dealer offsets to customer derivative positions
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	2,744	781
Derivative liabilities | Risk participations
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	6	8
Derivative liabilities | Mortgage banking - forward sales commitment
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	483	259
Derivative liabilities | Dealer offsets to bifurcated embedded derivatives
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	10,187	13,339
Derivative liabilities | De-designated hedges
Derivatives, Fair Value [Line Items]
Interest rate derivative instruments not designated as hedging instruments, liabilities at fair value	$ 0	$ 703

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Derivatives and Hedging Activities - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) contract	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($) contract
Derivative Instruments, Gain (Loss) [Line Items]
Collateral pledged toward derivatives	$ 11,900
Brokered deposits
Derivative Instruments, Gain (Loss) [Line Items]
Carrying value of hedged deposits	36,000
Cumulative fair value hedging adjustments	1,380
Cash flow hedging | Interest Rate Risk
Derivative Instruments, Gain (Loss) [Line Items]
Increase to deposit interest expense over next twelve months	118
Fair value hedging of interest rate risk
Derivative Instruments, Gain (Loss) [Line Items]
Recognized net losses related to ineffectiveness of hedging relationships	11
Recognized net losses related to ineffectiveness of hedging relationships		$ 79
Fair value hedging of interest rate risk | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Net increase (reduction) in interest expense and net increase (reduction) in interest revenue	$ 101	14
Fair value hedging of interest rate risk | Interest revenue
Derivative Instruments, Gain (Loss) [Line Items]
Net increase (reduction) in interest expense and net increase (reduction) in interest revenue		$ 17
Interest rate swaps | Fair value hedging of interest rate risk
Derivative Instruments, Gain (Loss) [Line Items]
Number of derivative contracts outstanding | contract	4		4
Total notional amount designated as fair flow hedges	$ 38,000		$ 39,000
Not designated as hedging instrument, economic hedge | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Number of derivative contracts outstanding | contract	3

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Derivatives and Hedging Activities - Derivatives in fair value hedging relationships (Details) - Fair value hedging - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Effect of fair value hedging derivative financial instruments on the consolidated statement of operations
Amount of Gain (Loss) Recognized in Income on Derivative	$ 451	$ (1,029)
Amount of Gain (Loss) Recognized in Income on Hedged Item	(462)	950
Interest expense | Brokered CD's
Effect of fair value hedging derivative financial instruments on the consolidated statement of operations
Amount of Gain (Loss) Recognized in Income on Derivative	451	(693)
Amount of Gain (Loss) Recognized in Income on Hedged Item	(462)	545
Interest revenue | Corporate Bonds
Effect of fair value hedging derivative financial instruments on the consolidated statement of operations
Amount of Gain (Loss) Recognized in Income on Derivative	0	(336)
Amount of Gain (Loss) Recognized in Income on Hedged Item	$ 0	$ 405

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Derivatives and Hedging Activities - Gains and losses recognized in income on derivatives not designated as hedging instrument (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	$ 340	$ 2,613
Customer derivatives and dealer offsets | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	503	772
Bifurcated embedded derivatives and dealer offsets | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	218	370
Interest rate caps | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	0	276
De-designated hedges | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	(193)	(67)
Mortgage banking derivatives | Mortgage loan revenue
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	(190)	1,264
Risk participations | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative	$ 2	$ (2)

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Stock-Based Compensation - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan vesting period	4 years
Plan exercisable period	10 years
Additional awards remaining available under plan (in shares)	1,530,000
Stock options granted (in shares)	0	0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 0	$ 6,000
Unrecognized compensation expense	0
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 15,700,000
Recognition period for unrecognized compensation expense	2 years 4 months 18 days
Stock Options and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax benefit related to expense for share-based awards	$ 507,000	296,000
Employees | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,910,000	1,070,000
Directors | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 72,000	$ 68,000

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Stock-Based Compensation - Stock option activity (Details) - Stock Options $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares
Shares
Outstanding, beginning balance (in shares) | shares	47,139
Exercised (in shares) | shares	(12,000)
Cancelled/Forfeited (in shares) | shares	(504)
Expired (in shares) | shares	(1,023)
Outstanding, ending balance (in shares) | shares	33,612
Exercisable (in shares) | shares	33,612
Weighted- Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 27.07
Exercised (in dollars per share) | $ / shares	16.44
Cancelled/Forfeited (in dollars per share) | $ / shares	31.50
Expired (in dollars per share) | $ / shares	29.45
Outstanding, ending balance (in dollars per share) | $ / shares	30.72
Exercisable (in dollars per share) | $ / shares	$ 30.72
Weighted-Average Remaining Contractual Term (Years), Outstanding	4 months 24 days
Weighted-Average Remaining Contractual Term (Years), Exercisable	4 months 24 days
Aggregate Intrinsic Value, Outstanding | $	$ 13
Aggregate Intrinsic Value, Exercisable | $	$ 13

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Stock-Based Compensation - Restricted stock unit activity (Details) - Restricted Stock Units $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares
Shares
Outstanding, beginning balance (in shares) | shares	759,746
Granted (in shares) | shares	37,994
Vested (in shares) | shares	(46,628)
Cancelled (in shares) | shares	(14,284)
Outstanding, ending balance (in shares) | shares	736,828
Weighted- Average Grant- Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 27.66
Granted (in dollars per share) | $ / shares	25.67
Vested (in dollars per share) | $ / shares	25.72
Cancelled (in dollars per share) | $ / shares	25.30
Outstanding, ending balance (in dollars per share) | $ / shares	$ 27.72
Weighted-Average Remaining Contractual Term (Years), Outstanding	4 years 2 months 14 days
Aggregate Intrinsic Value, Vested | $	$ 1,322
Aggregate Intrinsic Value, Outstanding | $	$ 18,369

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Common Stock (Details) - USD ($)	1 Months Ended	3 Months Ended
	Nov. 30, 2018	Mar. 31, 2019	Mar. 31, 2018
Equity [Abstract]
Repurchase program expiration date	Dec. 31, 2019
Repurchase program authorized amount		$ 50,000,000
Shares repurchased (in shares)		305,052	0
Repurchase program remaining authorization		$ 42,200,000

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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income tax provision	$ 12,956	$ 10,748
Effective tax rate (percent)	22.60%	22.20%
Valuation allowance on deferred tax assets	$ 3,370		$ 3,370
Net deferred tax asset realized based upon future taxable income	51,100
Unrecognized income tax benefits	$ 3,390		$ 3,260

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Assets and Liabilities Measured at Fair Value - Assets and liabilities measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets:
Debt securities available for sale	$ 2,454,625	$ 2,628,467
Mortgage loans held for sale	26,300	18,900
Derivative financial instruments	25,924	24,705
Liabilities:
Derivative financial instruments	18,789	26,433
U.S. Treasuries
Assets:
Debt securities available for sale	141,855	149,307
State and political subdivisions
Assets:
Debt securities available for sale	222,180	233,941
Residential mortgage-backed securities
Assets:
Debt securities available for sale	1,414,085	1,445,910
Commercial mortgage-backed securities
Assets:
Debt securities available for sale	343,339	391,917
Corporate bonds
Assets:
Debt securities available for sale	200,676	199,163
Asset-backed securities
Assets:
Debt securities available for sale	127,389	182,676
Recurring
Assets:
Mortgage loans held for sale	26,341	18,935
Deferred compensation plan assets	7,129	6,404
Servicing rights for SBA/USDA loans	7,401	7,510
Residential mortgage servicing rights	11,447	11,877
Derivative financial instruments	25,924	24,705
Total assets	2,533,777	2,698,974
Liabilities:
Deferred compensation plan liability	7,129	6,404
Derivative financial instruments	18,789	26,433
Total liabilities	25,918	32,837
Recurring | U.S. Treasuries
Assets:
Debt securities available for sale	141,855	149,307
Recurring | U.S. Government agencies
Assets:
Debt securities available for sale	5,101	25,553
Recurring | State and political subdivisions
Assets:
Debt securities available for sale	222,180	233,941
Recurring | Residential mortgage-backed securities
Assets:
Debt securities available for sale	1,414,085	1,445,910
Recurring | Commercial mortgage-backed securities
Assets:
Debt securities available for sale	343,339	391,917
Recurring | Corporate bonds
Assets:
Debt securities available for sale	200,676	199,163
Recurring | Asset-backed securities
Assets:
Debt securities available for sale	127,389	182,676
Recurring | Equity securities with readily available fair values
Assets:
Debt securities available for sale	910	1,076
Recurring | Level 1
Assets:
Mortgage loans held for sale	0	0
Deferred compensation plan assets	7,129	6,404
Servicing rights for SBA/USDA loans	0	0
Residential mortgage servicing rights	0	0
Derivative financial instruments	0	0
Total assets	149,894	156,787
Liabilities:
Deferred compensation plan liability	7,129	6,404
Derivative financial instruments	0	0
Total liabilities	7,129	6,404
Recurring | Level 1 | U.S. Treasuries
Assets:
Debt securities available for sale	141,855	149,307
Recurring | Level 1 | U.S. Government agencies
Assets:
Debt securities available for sale	0	0
Recurring | Level 1 | State and political subdivisions
Assets:
Debt securities available for sale	0	0
Recurring | Level 1 | Residential mortgage-backed securities
Assets:
Debt securities available for sale	0	0
Recurring | Level 1 | Commercial mortgage-backed securities
Assets:
Debt securities available for sale	0	0
Recurring | Level 1 | Corporate bonds
Assets:
Debt securities available for sale	0	0
Recurring | Level 1 | Asset-backed securities
Assets:
Debt securities available for sale	0	0
Recurring | Level 1 | Equity securities with readily available fair values
Assets:
Debt securities available for sale	910	1,076
Recurring | Level 2
Assets:
Mortgage loans held for sale	26,341	18,935
Deferred compensation plan assets	0	0
Servicing rights for SBA/USDA loans	0	0
Residential mortgage servicing rights	0	0
Derivative financial instruments	16,363	12,864
Total assets	2,354,479	2,509,964
Liabilities:
Deferred compensation plan liability	0	0
Derivative financial instruments	7,345	10,701
Total liabilities	7,345	10,701
Recurring | Level 2 | U.S. Treasuries
Assets:
Debt securities available for sale	0	0
Recurring | Level 2 | U.S. Government agencies
Assets:
Debt securities available for sale	5,101	25,553
Recurring | Level 2 | State and political subdivisions
Assets:
Debt securities available for sale	222,180	233,941
Recurring | Level 2 | Residential mortgage-backed securities
Assets:
Debt securities available for sale	1,414,085	1,445,910
Recurring | Level 2 | Commercial mortgage-backed securities
Assets:
Debt securities available for sale	343,339	391,917
Recurring | Level 2 | Corporate bonds
Assets:
Debt securities available for sale	199,681	198,168
Recurring | Level 2 | Asset-backed securities
Assets:
Debt securities available for sale	127,389	182,676
Recurring | Level 2 | Equity securities with readily available fair values
Assets:
Debt securities available for sale	0	0
Recurring | Level 3
Assets:
Mortgage loans held for sale	0	0
Deferred compensation plan assets	0	0
Servicing rights for SBA/USDA loans	7,401	7,510
Residential mortgage servicing rights	11,447	11,877
Derivative financial instruments	9,561	11,841
Total assets	29,404	32,223
Liabilities:
Deferred compensation plan liability	0	0
Derivative financial instruments	11,444	15,732
Total liabilities	11,444	15,732
Recurring | Level 3 | U.S. Treasuries
Assets:
Debt securities available for sale	0	0
Recurring | Level 3 | U.S. Government agencies
Assets:
Debt securities available for sale	0	0
Recurring | Level 3 | State and political subdivisions
Assets:
Debt securities available for sale	0	0
Recurring | Level 3 | Residential mortgage-backed securities
Assets:
Debt securities available for sale	0	0
Recurring | Level 3 | Commercial mortgage-backed securities
Assets:
Debt securities available for sale	0	0
Recurring | Level 3 | Corporate bonds
Assets:
Debt securities available for sale	995	995
Recurring | Level 3 | Asset-backed securities
Assets:
Debt securities available for sale	0	0
Recurring | Level 3 | Equity securities with readily available fair values
Assets:
Debt securities available for sale	$ 0	$ 0

XML

Assets and Liabilities Measured at Fair Value - Reconciliation for measurements at fair value on a recurring basis using significant unobservable inputs (Details) - Recurring - Level 3 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Asset
Reconciliation of Assets at Level 3 Measurement
Balance at beginning of period	$ 11,841	$ 12,207
Business combinations		0
Additions	0	0
Sales and settlements	(1,135)	(1,029)
Amounts included in earnings - fair value adjustments	(1,145)	2,699
Balance at end of period	9,561	13,877
Servicing rights for SBA/USDA loans
Reconciliation of Assets at Level 3 Measurement
Balance at beginning of period	7,510	7,740
Business combinations		(354)
Additions	375	479
Sales and settlements	(363)	(91)
Amounts included in earnings - fair value adjustments	(121)	(304)
Balance at end of period	7,401	7,470
Residential mortgage servicing rights
Reconciliation of Assets at Level 3 Measurement
Balance at beginning of period	11,877	8,262
Business combinations		0
Additions	863	926
Sales and settlements	(150)	(80)
Amounts included in earnings - fair value adjustments	(1,143)	610
Balance at end of period	11,447	9,718
Debt Securities Available-for-Sale
Reconciliation of Assets at Level 3 Measurement
Balance at beginning of period	995	900
Business combinations		0
Additions	0	0
Sales and settlements	0	0
Amounts included in earnings - fair value adjustments	0	0
Balance at end of period	995	900
Derivative Liability
Reconciliation of Liabilities at Level 3 Measurement
Balance at beginning of period	15,732	16,744
Business combinations		0
Additions	0	0
Sales and settlements	(2,330)	(1,347)
Amounts included in earnings - fair value adjustments	(1,958)	2,391
Balance at end of period	$ 11,444	$ 17,788

XML

Assets and Liabilities Measured at Fair Value - Quantitative information about Level 3 fair value measurements for fair value on recurring basis (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Debt securities available for sale	$ 2,454,625	$ 2,628,467
Derivative assets	25,924	24,705
Derivative liabilities	18,789	26,433
Recurring
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Servicing rights for SBA/USDA loans	7,401	7,510
Residential mortgage servicing rights	11,447	11,877
Derivative assets	25,924	24,705
Derivative liabilities	18,789	26,433
Recurring | Level 3
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Servicing rights for SBA/USDA loans	7,401	7,510
Residential mortgage servicing rights	11,447	11,877
Derivative assets	9,561	11,841
Derivative liabilities	11,444	15,732
Recurring | Level 3 | Servicing rights for SBA/USDA loans
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Servicing rights for SBA/USDA loans	$ 7,401	$ 7,510
Valuation technique	Discounted cash flow
Recurring | Level 3 | Servicing rights for SBA/USDA loans | Discount Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Servicing rights for SBA/USDA loans, measurement input	0.136	0.145
Recurring | Level 3 | Servicing rights for SBA/USDA loans | Prepayment Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Servicing rights for SBA/USDA loans, measurement input	0.125	0.121
Recurring | Level 3 | Residential mortgage servicing rights
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Residential mortgage servicing rights	$ 11,447	$ 11,877
Valuation technique	Discounted cash flow
Recurring | Level 3 | Residential mortgage servicing rights | Discount Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Residential mortgage servicing rights, measurement input	0.100	0.100
Recurring | Level 3 | Residential mortgage servicing rights | Prepayment Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Residential mortgage servicing rights, measurement input	0.128	0.106
Recurring | Level 3 | Corporate bonds
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Debt securities available for sale	$ 995	$ 995
Valuation technique	Indicative bid provided by a broker
Recurring | Level 3 | Derivative assets - mortgage
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative assets	$ 1,796	$ 1,190
Valuation technique	Internal model
Recurring | Level 3 | Derivative assets - mortgage | Pull Through Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative assets, measurement input	0.789	0.807
Recurring | Level 3 | Derivative assets - other
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative assets	$ 7,765	$ 10,651
Valuation technique	Dealer priced
Recurring | Level 3 | Derivative liabilities - risk participations
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative liabilities	$ 6	$ 8
Valuation technique	Internal model
Recurring | Level 3 | Derivative liabilities - risk participations | Probable Exposure Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative liabilities, measurement input	0.0037	0.0044
Recurring | Level 3 | Derivative liabilities - risk participations | Probability of Default Rate | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative liabilities, measurement input	0.0180	0.0180
Recurring | Level 3 | Derivative liabilities - other
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative liabilities	$ 11,438	$ 15,724
Valuation technique	Dealer priced

XML

Assets and Liabilities Measured at Fair Value - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Fair Value Disclosures [Abstract]
Mortgage loans held for sale	$ 26,300		$ 18,900
Mortgage loans held for sale outstanding principal balance	25,300		$ 18,200
Net gains (losses) from changes in fair value of loans	$ 306	$ (72)

XML

Assets and Liabilities Measured at Fair Value - Assets and liabilities measured at fair value on nonrecurring basis (Details) - Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	$ 1,286	$ 8,631
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	$ 1,286	$ 8,631

XML

Assets and Liabilities Measured at Fair Value - Fair values for other financial instruments that are not measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets:
Securities held to maturity	$ 265,117	$ 268,803
Carrying Amount
Assets:
Securities held to maturity	265,329	274,407
Loans and leases, net	8,431,612	8,322,198
Liabilities:
Deposits	10,534,306	10,534,513
Federal Home Loan Bank advances	40,000	160,000
Long-term debt	257,259	267,189
Fair Value
Assets:
Securities held to maturity	265,117	268,803
Loans and leases, net	8,401,018	8,277,387
Liabilities:
Deposits	10,527,436	10,528,834
Federal Home Loan Bank advances	39,998	159,988
Long-term debt	266,468	278,996
Fair Value | Level 1
Assets:
Securities held to maturity	0	0
Loans and leases, net	0	0
Liabilities:
Deposits	0	0
Federal Home Loan Bank advances	0	0
Long-term debt	0	0
Fair Value | Level 2
Assets:
Securities held to maturity	265,117	268,803
Loans and leases, net	0	0
Liabilities:
Deposits	10,527,436	10,528,834
Federal Home Loan Bank advances	39,998	159,988
Long-term debt	0	0
Fair Value | Level 3
Assets:
Securities held to maturity	0	0
Loans and leases, net	8,401,018	8,277,387
Liabilities:
Deposits	0	0
Federal Home Loan Bank advances	0	0
Long-term debt	$ 266,468	$ 278,996

XML

Commitments and Contingencies - Contractual amount of off-balance sheet instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Commitments to extend credit
Financial instruments whose contract amounts represent credit risk:
Financial instruments	$ 2,053,155	$ 2,129,463
Letters of credit
Financial instruments whose contract amounts represent credit risk:
Financial instruments	$ 26,867	$ 25,447

XML

Commitments and Contingencies - Narrative (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Commitment for additional fund	$ 7,930

XML

Operating Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Right-of-use asset	$ 22,700
Lease liability	$ 25,200
Operating lease, weighted average remaining lease term (in years)	6 years 10 days
Operating lease, weighted average discount rate (percent)	2.80%
Rent Commitments Under Operating Leases Under Topic ASC 840
2019		$ 5,350
2020		5,160
2021		4,910
2022		4,480
2023		3,910
Thereafter		$ 5,040

XML

Operating Leases - Operating lease income and expense and other supplemental information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating Lease Income and Expense
Operating lease cost	$ 1,258
Variable lease cost	111
Short-term lease cost	19
Sublease income	(149)
Net lease cost	1,239
Rental income from owned properties under operating leases	216
Operating cash flows from operating leases	$ 1,348

XML

Operating Leases - Future Minimum Lease Payments (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Future Minimum Lease Payments
Remainder of 2019	$ 3,627
2020	5,253
2021	4,983
2022	4,553
2023	3,979
Thereafter	5,092
Total	27,487
Less discount	(2,287)
Present value of lease liability	$ 25,200

XML

Subsequent Events - Narrative (Details) $ in Thousands	May 01, 2019 USD ($)	Mar. 31, 2019 USD ($) branch	Dec. 31, 2018 USD ($)
Subsequent Event [Line Items]
Total assets		$ 12,505,827	$ 12,573,192
Deposits		$ 10,534,306	$ 10,534,513
First Madison Bank and Trust
Subsequent Event [Line Items]
Number of banking offices | branch		4
Total assets		$ 244,000
Loans		199,000
Deposits		$ 213,000
Subsequent Event | First Madison Bank and Trust
Subsequent Event [Line Items]
Cash payments for acquisition	$ 52,100

XML

Label	Element	Value
Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (549,000)