10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended June 30, 2018.

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 0-14703

NBT BANCORP INC.

(Exact Name of Registrant as Specified in its Charter)

DELAWARE	16-1268674
(State of Incorporation)	(I.R.S. Employer Identification No.)

52 SOUTH BROAD STREET, NORWICH, NEW YORK 13815

(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, Including Area Code: (607) 337-2265

None

(Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report)

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

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

Indicate by check mark 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 the 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 ☒ 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 Exchange Act). Yes ☐  No ☒

As of July 31, 2018, there were 43,653,799 shares outstanding of the Registrant's common stock, $0.01 par value per share.

NBT BANCORP INC.

FORM 10-Q - Quarter Ended June 30, 2018

TABLE OF CONTENTS

PART I FINANCIAL INFORMATION

Item 1	Financial Statements
	Consolidated Balance Sheets at June 30, 2018 and December 31, 2017	3
	Consolidated Statements of Income for the three and six month periods ended June 30, 2018 and 2017	4
	Consolidated Statements of Comprehensive Income for the three and six month periods ended June 30, 2018 and 2017	5
	Consolidated Statements of Stockholders’ Equity for the six month periods ended June 30, 2018 and 2017	6
	Consolidated Statements of Cash Flows for the six month periods ended June 30, 2018 and 2017	7
	Notes to Unaudited Interim Consolidated Financial Statements	9
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	34
Item 3	Quantitative and Qualitative Disclosures about Market Risk	47
Item 4	Controls and Procedures	47
PART II	OTHER INFORMATION
Item 1	Legal Proceedings	48
Item 1A	Risk Factors	48
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	48
Item 3	Defaults Upon Senior Securities	48
Item 4	Mine Safety Disclosures	48
Item 5	Other Information	48
Item 6	Exhibits	49
SIGNATURES		50

Item 1 – FINANCIAL STATEMENTS

NBT Bancorp Inc. and Subsidiaries

Consolidated Balance Sheets (unaudited)

	June 30,			December 31,
	2018			2017
(In thousands, except share and per share data)
Assets
Cash and due from banks	$	149,723		$	156,852
Short-term interest bearing accounts		2,760			2,812
Equity securities, at fair value		24,293			-
Securities available for sale, at fair value		1,192,939			1,255,925
Securities held to maturity (fair value $532,979 and $481,871, respectively)		544,163			484,073
Trading securities		-			11,467
Federal Reserve and Federal Home Loan Bank stock		54,223			46,706
Loans		6,859,063			6,584,773
Less allowance for loan losses		72,450			69,500
Net loans	$	6,786,613		$	6,515,273
Premises and equipment, net		78,578			81,305
Goodwill		274,769			268,043
Intangible assets, net		17,630			13,420
Bank owned life insurance		174,952			172,388
Other assets		166,495			128,548
Total assets	$	9,467,138		$	9,136,812
Liabilities
Demand (noninterest bearing)	$	2,343,948		$	2,286,892
Savings, NOW and money market		4,136,449			4,076,978
Time		864,052			806,766
Total deposits	$	7,344,449		$	7,170,636
Short-term borrowings		853,997			719,123
Long-term debt		73,778			88,869
Junior subordinated debt		101,196			101,196
Other liabilities		114,789			98,811
Total liabilities	$	8,488,209		$	8,178,635
Stockholders’ equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at June 30, 2018 and December 31, 2017	$	-		$	-
Common stock, $0.01 par value. Authorized 100,000,000 shares at June 30, 2018 and December 31, 2017; issued 49,651,493 at June 30, 2018 and December 31, 2017		497			497
Additional paid-in-capital		574,741			574,209
Retained earnings		585,044			543,713
Accumulated other comprehensive loss		(44,756	)		(22,077	)
Common stock in treasury, at cost, 6,004,294 and 6,108,684 shares at June 30, 2018 and December 31, 2017, respectively		(136,597	)		(138,165	)
Total stockholders’ equity	$	978,929		$	958,177
Total liabilities and stockholders’ equity	$	9,467,138		$	9,136,812

See accompanying notes to unaudited interim consolidated financial statements.

3

NBT Bancorp Inc. and Subsidiaries

Consolidated Statements of Income (unaudited)

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
(In thousands, except per share data)
Interest, fee and dividend income
Interest and fees on loans	$	74,172	$	65,286	$	144,615	$	129,313
Securities available for sale		7,003		7,218		13,929		14,227
Securities held to maturity		2,811		2,736		5,436		5,517
Other		781		654		1,547		1,273
Total interest, fee and dividend income	$	84,767	$	75,894	$	165,527	$	150,330
Interest expense
Deposits	$	5,079	$	3,536	$	9,010	$	7,010
Short-term borrowings		2,455		1,366		4,421		2,505
Long-term debt		452		599		928		1,205
Junior subordinated debt		1,040		772		1,941		1,498
Total interest expense	$	9,026	$	6,273	$	16,300	$	12,218
Net interest income	$	75,741	$	69,621	$	149,227	$	138,112
Provision for loan losses		8,778		7,567		16,274		14,946
Net interest income after provision for loan losses	$	66,963	$	62,054	$	132,953	$	123,166
Noninterest income
Insurance and other financial services revenue	$	5,826	$	5,621	$	12,330	$	12,391
Service charges on deposit accounts		4,246		4,161		8,218		8,138
ATM and debit card fees		5,816		5,518		11,089		10,468
Retirement plan administration fees		7,296		5,437		12,635		9,609
Trust		5,265		5,161		10,143		9,693
Bank owned life insurance		1,217		1,218		2,564		2,629
Net securities gains		91		2		163		2
Other		4,401		3,186		8,293		6,124
Total noninterest income	$	34,158	$	30,304	$	65,435	$	59,054
Noninterest expense
Salaries and employee benefits	$	37,726	$	33,503	$	74,293	$	67,736
Occupancy		5,535		5,184		11,654		11,354
Data processing and communications		4,508		4,229		8,787		8,427
Professional fees and outside services		3,336		3,609		6,828		6,641
Equipment		4,151		3,793		8,189		7,491
Office supplies and postage		1,504		1,640		3,077		3,248
FDIC expenses		1,092		1,136		2,293		2,314
Advertising		700		656		1,037		1,046
Amortization of intangible assets		1,096		1,039		2,010		2,006
Loan collection and other real estate owned, net		908		664		2,245		1,943
Other		4,332		4,868		8,747		9,397
Total noninterest expense	$	64,888	$	60,321	$	129,160	$	121,603
Income before income tax expense	$	36,233	$	32,037	$	69,228	$	60,617
Income tax expense		8,112		10,678		15,121		18,979
Net income	$	28,121	$	21,359	$	54,107	$	41,638
Earnings per share
Basic	$	0.64	$	0.49	$	1.24	$	0.96
Diluted	$	0.64	$	0.49	$	1.23	$	0.95

See accompanying notes to unaudited interim consolidated financial statements.

4

NBT Bancorp Inc. and Subsidiaries

Consolidated Statements of Comprehensive Income (unaudited)

	Three months ended June 30,						Six months ended June 30,
	2018			2017			2018			2017
(In thousands)
Net income	$	28,121		$	21,359		$	54,107		$	41,638
Other comprehensive (loss) income, net of tax:
Securities available for sale:
Unrealized net holding (losses) gains arising during the period, gross	$	(5,353	)	$	2,528		$	(20,807	)	$	3,364
Tax effect		1,338			(966	)		5,202			(1,305	)
Unrealized net holding (losses) gains arising during the period, net	$	(4,015	)	$	1,562		$	(15,605	)	$	2,059
Reclassification adjustment for net (gains) in net income, gross	$	-		$	(2	)	$	-		$	(2	)
Tax effect		-			1			-			1
Reclassification adjustment for net (gains) in net income, net	$	-		$	(1	)	$	-		$	(1	)
Amortization of unrealized net gains for the reclassification of available for sale securities to held to maturity, gross	$	177		$	225		$	365		$	463
Tax effect		(44	)		(86	)		(91	)		(177	)
Amortization of unrealized net gains for the reclassification of available for sale securities to held to maturity, net	$	133		$	139		$	274		$	286
Reclassification adjustment for an impairment write-down of equity security, gross	$	-		$	-		$	-		$	1,312
Tax effect		-			-			-			(501	)
Reclassification adjustment for an impairment write-down of equity security, net	$	-		$	-		$	-		$	811
Total securities available for sale, net	$	(3,882	)	$	1,700		$	(15,331	)	$	3,155
Cash flow hedges:
Unrealized gains (losses) on derivatives (cash flow hedges), gross	$	424		$	(411	)	$	1,472		$	(162	)
Tax effect		(106	)		157			(368	)		62
Unrealized gains (losses) on derivatives (cash flow hedges), net	$	318		$	(254	)	$	1,104		$	(100	)
Reclassification of net unrealized (gains) losses on cash flow hedges to interest (income) expense, gross	$	(540	)	$	(23	)	$	(899	)	$	59
Tax effect		135			9			225			(23	)
Reclassification of net unrealized (gains) losses on cash flow hedges to interest (income) expense, net	$	(405	)	$	(14	)	$	(674	)	$	36
Total cash flow hedges, net	$	(87	)	$	(268	)	$	430		$	(64	)
Pension and other benefits:
Amortization of prior service cost and actuarial gains, gross	$	295		$	435		$	590		$	870
Tax effect		(74	)		(166	)		(148	)		(332	)
Amortization of prior service cost and actuarial gains, net	$	221		$	269		$	442		$	538
Total pension and other benefits, net	$	221		$	269		$	442		$	538
Total other comprehensive (loss) income	$	(3,748	)	$	1,701		$	(14,459	)	$	3,629
Comprehensive income	$	24,373		$	23,060		$	39,648		$	45,267

See accompanying notes to unaudited interim consolidated financial statements.

5

NBT Bancorp Inc. and Subsidiaries

Consolidated Statements of Stockholders’ Equity (unaudited)

	Common Stock		Additional Paid-in- Capital			Retained Earnings			Accumulated Other Comprehensive (Loss) Income			Common Stock in Treasury			Total
(In thousands, except share and per share data)
Balance at December 31, 2016	$	497	$	575,078		$	501,761		$	(21,520	)	$	(142,500	)	$	913,316
Net income		-		-			41,638			-			-			41,638
Cash dividends - $0.46 per share		-		-			(20,044	)		-			-			(20,044	)
Net issuance of 252,312 shares to employee and other stock plans		-		(4,702	)		-			-			3,886			(816	)
Stock-based compensation		-		2,733			(95	)		-			-			2,638
Other comprehensive income		-		-			-			3,629			-			3,629
Balance at June 30, 2017	$	497	$	573,109		$	523,260		$	(17,891	)	$	(138,614	)	$	940,361
Balance at December 31, 2017	$	497	$	574,209		$	543,713		$	(22,077	)	$	(138,165	)	$	958,177
Net income		-		-			54,107			-			-			54,107
Cumulative effect adjustment for ASU 2016-01 implementation		-		-			2,618			(2,645	)		-			(27	)
Cumulative effect adjustment for ASU 2018-02 implementation		-		-			5,575			(5,575	)		-			-
Cash dividends - $0.48 per share		-		-			(20,969	)		-			-			(20,969	)
Net issuance of 104,390 shares to employee and other stock plans		-		(2,422	)		-			-			1,568			(854	)
Stock-based compensation		-		2,954			-			-			-			2,954
Other comprehensive (loss)		-		-			-			(14,459	)		-			(14,459	)
Balance at June 30, 2018	$	497	$	574,741		$	585,044		$	(44,756	)	$	(136,597	)	$	978,929

See accompanying notes to unaudited interim consolidated financial statements.

6

NBT Bancorp Inc. and Subsidiaries

Consolidated Statements of Cash Flows (unaudited)

	Six months ended June 30,
	2018			2017
(In thousands)
Operating activities
Net income	$	54,107		$	41,638
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses		16,274			14,946
Depreciation and amortization of premises and equipment		4,644			4,488
Net amortization on securities		2,133			2,430
Amortization of intangible assets		2,010			2,006
Excess tax (benefit) on stock-based compensation		(447	)		(1,526	)
Stock-based compensation expense		2,954			2,638
Bank owned life insurance income		(2,564	)		(2,629	)
Trading security purchases		-			(1,293	)
Net unrealized losses on trading securities		-			145
Proceeds from sales of loans held for sale		49,572			60,650
Originations and purchases of loans held for sale		(49,243	)		(62,163	)
Net gains on sales of loans held for sale		(87	)		(223	)
Net security (gains)		(163	)		(2	)
Net (gain) on sales and write-down of other real estate owned		(190	)		(704	)
Impairment write-down of equity security		-			1,312
Net (increase) in other assets		(32,687	)		(209	)
Net increase in other liabilities		10,862			4,405
Net cash provided by operating activities	$	57,175		$	65,909
Investing activities
Net cash used in acquisitions	$	(7,884	)	$	(4,000	)
Securities available for sale:
Proceeds from maturities, calls and principal paydowns		124,873			136,898
Purchases		(98,502	)		(162,723	)
Securities held to maturity:
Proceeds from maturities, calls and principal paydowns		45,332			52,883
Proceeds from sales		-			764
Purchases		(105,531	)		(41,334	)
Equity securities:
Proceeds from sales		2,623			-
Other:
Net increase in loans		(288,768	)		(186,546	)
Proceeds from Federal Home Loan Bank stock redemption		123,642			112,841
Purchases of Federal Reserve and Federal Home Loan Bank stock		(131,159	)		(118,848	)
Purchases of premises and equipment, net		(2,037	)		(2,604	)
Proceeds from the sales of other real estate owned		1,282			6,420
Net cash (used in) investing activities	$	(336,129	)	$	(206,249	)
Financing activities
Net increase in deposits	$	173,813		$	41,596
Net increase in short-term borrowings		134,874			149,482
Proceeds from issuance of long-term debt		25,000			-
Repayments of long-term debt		(40,091	)		(15,129	)
Proceeds from the issuance of shares to employee and other stock plans		881			2,007
Cash paid by employer for tax-withholdings on stock issuance		(1,735	)		(2,823	)
Cash dividends		(20,969	)		(20,044	)
Net cash provided by financing activities	$	271,773		$	155,089
Net (decrease) increase in cash and cash equivalents	$	(7,181	)	$	14,749
Cash and cash equivalents at beginning of period		159,664			149,181
Cash and cash equivalents at end of period	$	152,483		$	163,930

7

	Six months ended June 30,
	2018		2017
Supplemental disclosure of cash flow information
Cash paid during the period for:
Interest expense	$	15,672	$	12,404
Income taxes paid, net of refund		22,890		12,886
Noncash investing activities:
Loans transferred to other real estate owned	$	912	$	4,882
Acquisitions:
Fair value of assets acquired	$	6,274	$	3,096

See accompanying notes to unaudited interim consolidated financial statements.

8

NBT Bancorp Inc. and Subsidiaries

Notes to Unaudited Interim Consolidated Financial Statements

June 30, 2018

1. Description of Business

NBT Bancorp Inc. (the “Registrant” or the “Company”) is a registered financial holding company incorporated in the state of Delaware in 1986, with its principal headquarters located in Norwich, New York. The principal assets of the Registrant consist of all of the outstanding shares of common stock of its subsidiaries, including: NBT Bank, National Association (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), Hathaway Agency, Inc. and CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (collectively, the “Trusts”). The Company’s principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial and NBT Holdings.

The Company’s business, primarily conducted through the Bank but also through its other subsidiaries, consists of providing commercial banking, retail banking and wealth management services primarily to customers in its market area, which includes central and upstate New York, northeastern Pennsylvania, southern New Hampshire, western Massachusetts, Vermont and the southern coastal area of Maine. The Company has been, and intends to continue to be, a community-oriented financial institution offering a variety of financial services. The Company’s business philosophy is to operate as a community bank with local decision-making providing a broad array of banking and financial services to retail, commercial and municipal customers.

2. Basis of Presentation

The accompanying unaudited interim consolidated financial statements include the accounts of the Registrant and its wholly owned subsidiaries, the Bank, NBT Financial and NBT Holdings. Collectively, the Registrant and its subsidiaries are referred to herein as “the Company.” The interim data includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods in accordance with generally accepted accounting principles in the United States of America (“GAAP”). These unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2017 Annual Report on Form 10-K. The results of operations for the interim periods are not necessarily indicative of the results that may be expected for the full year or any other interim period. All intercompany transactions have been eliminated in consolidation. Amounts in the prior period financial statements are reclassified whenever necessary to conform to current period presentation. The Company has evaluated subsequent events for potential recognition and/or disclosure and there were none identified.

3. Securities

The amortized cost, estimated fair value and unrealized gains (losses) of available for sale ("AFS") securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
June 30, 2018
Federal agency	$	119,964	$	-	$	1,394	$	118,570
State & municipal		36,676		28		302		36,402
Mortgage-backed:
Government-sponsored enterprises		503,303		307		13,579		490,031
U.S. government agency securities		30,232		225		843		29,614
Collateralized mortgage obligations:
Government-sponsored enterprises		486,029		234		17,702		468,561
U.S. government agency securities		51,309		132		1,680		49,761
Total AFS securities	$	1,227,513	$	926	$	35,500	$	1,192,939
December 31, 2017
Federal agency	$	109,862	$	-	$	963	$	108,899
State & municipal		42,171		62		277		41,956
Mortgage-backed:
Government-sponsored enterprises		530,392		1,406		3,345		528,453
U.S. government agency securities		26,363		334		223		26,474
Collateralized mortgage obligations:
Government-sponsored enterprises		496,033		254		10,114		486,173
U.S. government agency securities		50,721		165		1,065		49,821
Equity securities		10,623		3,672		146		14,149
Total AFS securities	$	1,266,165	$	5,893	$	16,133	$	1,255,925

9

The amortized cost, estimated fair value and unrealized gains (losses) of held to maturity ("HTM") securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
June 30, 2018
Mortgage-backed:
Government-sponsored enterprises	$	90,696	$	-	$	3,244	$	87,452
U.S. government agency securities		376		43		-		419
Collateralized mortgage obligations:
Government-sponsored enterprises		229,353		92		5,989		223,456
U.S. government agency securities		9,788		1		-		9,789
State & municipal		213,950		265		2,352		211,863
Total HTM securities	$	544,163	$	401	$	11,585	$	532,979
December 31, 2017
Mortgage-backed:
Government-sponsored enterprises	$	96,357	$	85	$	810	$	95,632
U.S. government agency securities		418		57		-		475
Collateralized mortgage obligations:
Government-sponsored enterprises		186,327		224		2,577		183,974
State & municipal		200,971		1,439		620		201,790
Total HTM securities	$	484,073	$	1,805	$	4,007	$	481,871

AFS and HTM securities with amortized costs totaling $1.6 billion at June 30, 2018 and $1.5 billion at December 31, 2017 were pledged to secure public deposits and for other purposes required or permitted by law. At June 30, 2018 and December 31, 2017, AFS and HTM securities with an amortized cost of $226.2 million and $256.2 million, respectively, were pledged as collateral for securities sold under repurchase agreements.

The following table sets forth information with regard to investment securities with unrealized losses segregated according to the length of time the securities had been in a continuous unrealized loss position:

	Less than 12 months							12 months or longer							Total
(In thousands)	Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions
As of June 30, 2018
AFS securities:
Federal agency	$	39,457	$	(526	)		4	$	79,113	$	(868	)		6	$	118,570	$	(1,394	)		10
State & municipal		23,273		(232	)		37		5,479		(70	)		8		28,752		(302	)		45
Mortgage-backed		432,173		(11,590	)		93		60,657		(2,832	)		26		492,830		(14,422	)		119
Collateralized mortgage obligations		233,086		(6,076	)		40		260,766		(13,306	)		46		493,852		(19,382	)		86
Total securities with unrealized losses	$	727,989	$	(18,424	)		174	$	406,015	$	(17,076	)		86	$	1,134,004	$	(35,500	)		260
HTM securities:
Mortgage-backed	$	56,920	$	(1,686	)		4	$	30,532	$	(1,558	)		2	$	87,452	$	(3,244	)		6
Collateralized mortgage obligations		149,776		(3,693	)		24		33,586		(2,296	)		6		183,362		(5,989	)		30
State & municipal		73,496		(1,310	)		110		15,665		(1,042	)		25		89,161		(2,352	)		135
Total securities with unrealized losses	$	280,192	$	(6,689	)		138	$	79,783	$	(4,896	)		33	$	359,975	$	(11,585	)		171
As of December 31, 2017
AFS securities:
Federal agency	$	64,653	$	(242	)		5	$	44,246	$	(721	)		4	$	108,899	$	(963	)		9
State & municipal		23,566		(200	)		39		5,994		(77	)		8		29,560		(277	)		47
Mortgage-backed		317,630		(2,381	)		55		58,316		(1,187	)		24		375,946		(3,568	)		79
Collateralized mortgage obligations		227,917		(2,658	)		35		275,303		(8,521	)		42		503,220		(11,179	)		77
Equity securities		-		-			-		2,959		(146	)		1		2,959		(146	)		1
Total securities with unrealized losses	$	633,766	$	(5,481	)		134	$	386,818	$	(10,652	)		79	$	1,020,584	$	(16,133	)		213
HTM securities:
Mortgage-backed	$	15,477	$	(140	)		2	$	33,703	$	(670	)		2	$	49,180	$	(810	)		4
Collateralized mortgage obligations		118,476		(1,064	)		17		37,614		(1,513	)		6		156,090		(2,577	)		23
State & municipal		22,387		(132	)		40		15,720		(488	)		24		38,107		(620	)		64
Total securities with unrealized losses	$	156,340	$	(1,336	)		59	$	87,037	$	(2,671	)		32	$	243,377	$	(4,007	)		91

10

Declines in the fair value of HTM securities below their amortized cost, less any current period credit loss, that are deemed to be other-than-temporary are reflected in earnings as realized losses or in other comprehensive income ("OCI"). This classification is dependent upon whether the Company intends to sell the security, or whether it is more likely than not that, the Company will be required to sell the security before recovery. The other-than-temporary impairment ("OTTI") shall be recognized in earnings equal to the entire difference between the investment's amortized cost basis and its fair value at the balance sheet date. If the Company does not intend to sell the security and it is not more likely than not that the Company will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the OTTI shall be separated into (i) the amount representing the credit loss and (ii) the amount related to all other factors. The amount of the total OTTI related to the credit loss shall be recognized in earnings. The amount of the total OTTI related to other factors shall be recognized in OCI, net of applicable taxes.

In estimating OTTI losses, management considers, among other things, (i) the length of time and the extent to which the fair value has been less than cost, (ii) the financial condition and near-term prospects of the issuer and (iii) the historical and implied volatility of the fair value of the security.

Management has the intent to hold the securities classified as HTM until they mature, at which time it is believed the Company will receive full value for the securities. The unrealized losses on HTM debt securities are due to increases in market interest rates over yields at the time the underlying securities were purchased. When necessary, the Company has performed a discounted cash flow analysis to determine whether it will receive the contractual principal and interest on certain securities. The fair value is expected to recover as the bond approaches its maturity date or repricing date or if market yields for such investments declines.

Management also has the intent to hold and will not be required to sell, the debt securities classified as AFS for a period sufficient for a recovery of cost, which may be until maturity. The unrealized losses on AFS debt securities are due to increases in market interest rates over the yields available at the time the underlying securities were purchased. When necessary, the Company has performed a discounted cash flow analysis to determine whether it will receive the contractual principal and interest on certain securities. For AFS debt securities, OTTI losses are recognized in earnings if the Company intends to sell the security. In other cases the Company considers the relevant factors noted above, as well as the Company's intent and ability to retain its investment for a period of time sufficient to allow for any anticipated recovery in market value and whether evidence exists to support a realizable value equal to or greater than the cost basis. Any impairment loss on an equity security is equal to the full difference between the cost basis and the fair value of the security.

As of June 30, 2018 and December 31, 2017, management believes the impairments detailed in the table above are temporary. There were no OTTI losses realized in the Company's unaudited interim consolidated statements of income for the three and six months ended June 30, 2018 or in the three months ended June 30, 2017. For the six months ended June 30, 2017, a $1.3 million impairment loss on an equity investment was realized in the Company's unaudited interim consolidated statements of income.

The following tables set forth information with regard to gains and losses on equity securities at:

(In thousands)	Three months ended June 30, 2018		Six months ended June 30, 2018
Net gains and losses recognized on equity securities	$	91	$	163
Less: Net gains and losses recognized during the period on equity securities sold during the period		-		44
Unrealized gains and losses recognized on equity securities still held	$	91	$	119

As of June 30, 2018, the carrying value of equity securities without readily determinable fair values was $4.2 million. The Company performed a qualitative assessment to determine whether the investments were impaired and identified no areas of concern as of June 30, 2018. There were no impairments, downward or upward adjustments recognized for equity securities without readily determinable fair values during the three and six months ended June 30, 2018.

11

The following tables set forth information with regard to contractual maturities of debt securities at June 30, 2018:

(In thousands)	Amortized Cost		Estimated Fair Value
AFS debt securities:
Within one year	$	79,927	$	79,698
From one to five years		78,012		76,566
From five to ten years		186,454		182,532
After ten years		883,120		854,143
Total AFS debt securities	$	1,227,513	$	1,192,939
HTM debt securities:
Within one year	$	51,786	$	51,786
From one to five years		50,159		50,281
From five to ten years		201,007		196,191
After ten years		241,211		234,721
Total HTM debt securities	$	544,163	$	532,979

Maturities of mortgage-backed, collateralized mortgage obligations and asset-backed securities are stated based on their estimated average lives. Actual maturities may differ from estimated average lives or contractual maturities because, in certain cases, borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

Except for U.S. Government securities, there were no holdings, when taken in the aggregate, of any single issuer that exceeded 10% of consolidated stockholders’ equity at June 30, 2018 and December 31, 2017.

4. Allowance for Loan Losses and Credit Quality of Loans

Allowance for Loan Losses

The allowance for loan losses is maintained at a level estimated by management to provide adequately for probable incurred losses inherent in the current loan portfolio. The appropriateness of the allowance for loan losses is continuously monitored. It is assessed for appropriateness using a methodology designed to ensure the level of the allowance reasonably reflects the loan portfolio’s risk profile. It is evaluated to ensure that it is sufficient to absorb all reasonably estimable credit losses inherent in the current loan portfolio.

To develop and document a systematic methodology for determining the allowance for loan losses, the Company has divided the loan portfolio into three segments, each with different risk characteristics and methodologies for assessing risk. Those segments are further segregated between our loans accounted for under the amortized cost method (referred to as “originated” loans) and loans acquired in a business combination (referred to as “acquired” loans). Each portfolio segment is broken down into class segments where appropriate. Class segments contain unique measurement attributes, risk characteristics and methods for monitoring and assessing risk that are necessary to develop the allowance for loan losses. Unique characteristics such as borrower type, loan type, collateral type and risk characteristics define each class segment. 

During the first quarter of 2018, the Company adjusted the class segments within the portfolios to better align risk characteristics and reflect the monitoring and assessment of risks as the portfolios continue to evolve. Agricultural Non-Real Estate and Agricultural Real Estate were consolidated with Commercial and Commercial Real Estate, respectively. Agricultural loans are a type of commercial loan with some specific underwriting guidelines; however, as of March 31, 2018, the portfolio had decreased to less than 3% of the Commercial portfolio and separation was no longer warranted. The Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments. The growth in our Specialty Lending portfolio to 21% of Consumer Loans as of March 31, 2018 warranted evaluation of this class separately due to different risk characteristics from the Dealer Finance class segment. The Direct and Home Equity class segments were consolidated into Direct to reflect common management, similar underwriting and in-market focus. The change to the class segments in the allowance methodology did not have a significant impact on the allowance for loan losses. The following table illustrates the portfolio and class segments for the loan portfolio in 2018 compared to 2017:

Portfolio	Class - 2018	Class - 2017
Commercial Loans	Commercial and Industrial	Commercial
	Commercial Real Estate	Commercial Real Estate
	Business Banking	Agricultural
		Agricultural Real Estate
		Business Banking
Consumer Loans	Dealer Finance	Indirect
	Specialty Lending	Home Equity
	Direct	Direct
Residential Real Estate

12

Commercial Loans

The Company offers a variety of commercial loan products including commercial (non-real estate), commercial real estate, agricultural, agricultural real estate and business banking loans. The Company’s underwriting analysis for commercial loans typically includes credit verification, independent appraisals, a review of the borrower’s financial condition and a detailed analysis of the borrower’s underlying cash flows.

Commercial and Industrial ("C&I") – The Company offers a variety of loan options to meet the specific needs of our C&I customers including term loans, time notes and lines of credit. Such loans are made available to businesses for working capital needs such as inventory and receivables, business expansion, equipment purchases, livestock purchases and finance seasonal crop expenses. Generally, a collateral lien is placed on equipment or other assets owned by the borrower. These loans typically carry a higher risk than commercial real estate loans due to the nature of the underlying collateral, which can be business assets such as equipment, accounts receivable and perishable agricultural products, which are generally less liquid than real estate and exposed to industry price volatility. To reduce these risks, management also attempts to obtain personal guarantees of the borrowers or obtain government loan guarantees to provide further support. In 2018, the Commercial and Agricultural class segments were combined to create the C&I class segment.

Commercial Real Estate ("CRE") – The Company offers CRE loans to finance real estate purchases, refinancings, expansions and improvements to commercial and agricultural properties. CRE loans are made to finance the purchases and improvements of real property, which generally consists of real estate with completed structures. These CRE loans are secured by liens on the real estate, which may include both owner occupied and non-owner-occupied properties, such as apartments, commercial structures, health care facilities and other facilities. These loans are typically less risky than commercial loans, since they are secured by real estate. The Company's underwriting analysis includes credit verification, independent appraisals, a review of the borrower's financial condition and a detailed analysis of the borrower's underlying cash flows. These loans are typically originated in amounts of no more than 80% of the appraised value of the property and no more than 75% of the appraised value of the agricultural property. Government loan guarantees may be obtained to provide further support for agricultural property. In 2018, the Commercial Real Estate and Agricultural Real Estate class segments were combined to create the CRE segment.

Business Banking –The Company offers a variety of loan options to meet the specific needs of our Business Banking customers including term loans, Business Banking mortgages and lines of credit. Such loans are generally less than $750 thousand and are made available to businesses for working capital such as inventory and receivables, business expansion, equipment purchases and agricultural needs. Generally, a collateral lien is placed on assets owned by the borrower and can include real estate, equipment, inventory, receivables or other business assets. These loans carry a higher risk than C&I and CRE loans due to the smaller size of the borrower and lower levels of capital. To reduce these risks, the Company obtains personal guarantees of the owners for a majority of the loans.

Consumer Loans

The Company offers a variety of consumer loan products including Dealer Finance, Specialty Lending and Direct loans.

Dealer Finance – The Company maintains relationships with many dealers primarily in the communities that we serve. Through these relationships, the Company primarily finances the purchases of automobiles and recreational vehicles (such as campers, boats, etc.) indirectly through dealer relationships. Approximately 70% of the Dealer Finance relationships represent automobile financing. Most of these loans carry a fixed rate of interest with principal repayment terms typically ranging from three to six years, based upon the nature of the collateral and the size of the loan. The majority of Dealer Finance consumer loans are underwritten on a secured basis using the underlying collateral being financed. In 2018, the Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments (see above and below).

Specialty Lending –The Company offers unsecured consumer loans across a national footprint originated through our relationships with national technology-driven consumer lending companies to finance such things as dental and medical procedures, K-12 tuition, solar energy installations and other consumer purpose loans. Advances of credit through this specialty lending business line are subject to the Company's underwriting standards including criteria such as FICO score and debt to income thresholds. In 2018, the Indirect class segment has been further separated into Dealer Finance (see above) and Specialty Lending class segments.

13

Direct – The Company offers a variety of consumer installment loans to finance vehicle purchases, mobile home purchases and personal expenditures. In addition to installment loans, the Company also offers personal lines of credit, overdraft protection, home equity lines of credit and second mortgage loans (loans secured by a lien position on one-to-four family residential real estate) to finance home improvements, debt consolidation, education and other uses. Most of the consumer installment loans carry a fixed rate of interest with principal repayment terms typically ranging from one to ten years, based upon the nature of the collateral and the size of the loan. For home equity loans, consumers are able to borrow up to 85% of the equity in their homes. These loans carry a higher risk than first mortgage residential loans as they are in a second position with respect to collateral. Consumer installment loans are often secured with collateral consisting of a perfected lien on the asset being purchased or a perfected lien on a consumer's deposit account. A minimal amount of consumer installment loans are unsecured, which carry a higher risk of loss. Risk is reduced through underwriting criteria, which include credit verification, appraisals, a review of the borrower's financial condition and personal cash flows. A security interest, with title insurance when necessary, is taken in the underlying real estate. In 2018, the Home Equity segment was consolidated into the Direct class segment.

Residential Real Estate

Residential real estate loans consist primarily of loans secured by a first or second mortgage on primary residences. We originate adjustable-rate and fixed-rate, one-to-four-family residential real estate loans for the construction, purchase or refinancing of a mortgage. These loans are collateralized by owner-occupied properties located in the Company’s market area. When market conditions are favorable, for longer term, fixed-rate residential real estate mortgages without escrow, the Company retains the servicing, but sells the right to receive principal and interest to Freddie Mac. This practice allows the Company to manage interest rate risk, liquidity risk and credit risk. Loans on one-to-four-family residential real estate are generally originated in amounts of no more than 85% of the purchase price or appraised value (whichever is lower) or have private mortgage insurance. Mortgage title insurance and hazard insurance are normally required. Construction loans have a unique risk, because they are secured by an incomplete dwelling. This risk is reduced through periodic site inspections, including one at each loan draw period.

Allowance for Loan Loss Calculation

For purposes of evaluating the adequacy of the allowance, the Company considers a number of significant factors that affect the collectability of the portfolio. For individually impaired loans, these include estimates of impairment, if any, which reflect the facts and circumstances that affect the likelihood of repayment of such loans as of the evaluation date. For homogeneous pools of loans, estimates of the Company’s exposure to credit loss reflect a current assessment of a number of factors, which could affect collectability. These factors include: past loss experience, size, trend, composition and nature of loans; changes in lending policies and procedures, including underwriting standards and collection, charge-offs and recoveries; trends experienced in nonperforming and delinquent loans; current economic conditions in the Company’s market; portfolio concentrations that may affect loss experienced across one or more components of the portfolio; the effect of external factors such as competition, legal and regulatory requirements; and the experience, ability and depth of lending management and staff. In addition, various regulatory agencies, as an integral component of their examination process, periodically review the Company’s allowance for loan losses. Such agencies may require the Company to make loan grade changes as well as recognize additions to the allowance based on their examinations.

After a thorough consideration of the factors discussed above, any required additions or reductions to the allowance for loan losses are made periodically by charges or credits to the provision for loan losses. These charges are necessary to maintain the allowance at a level that management believes is reflective of overall level of incurred loss in the portfolio. While management uses available information to recognize losses on loans, additions and reductions of the allowance may fluctuate from one reporting period to another. These fluctuations are reflective of changes in risk associated with portfolio content or changes in management’s assessment of any or all of the determining factors discussed above.

The following tables illustrate the changes in the allowance for loan losses by our portfolio segments:

(In thousands)	Commercial Loans			Consumer Loans			Residential Real Estate			Total
Balance as of March 31, 2018	$	28,190		$	36,973		$	5,037		$	70,200
Charge-offs		(907	)		(7,442	)		(208	)		(8,557	)
Recoveries		183			1,700			146			2,029
Provision		3,593			5,248			(63	)		8,778
Ending Balance as of June 30, 2018	$	31,059		$	36,479		$	4,912		$	72,450
Balance as of March 31, 2017	$	24,727		$	34,769		$	6,204		$	65,700
Charge-offs		(1,123	)		(6,261	)		(698	)		(8,082	)
Recoveries		206			1,199			10			1,415
Provision		618			5,816			1,133			7,567
Ending Balance as of June 30, 2017	$	24,428		$	35,523		$	6,649		$	66,600

14

(In thousands)	Commercial Loans			Consumer Loans			Residential Real Estate			Total
Balance as of December 31, 2017	$	27,606		$	36,830		$	5,064		$	69,500
Charge-offs		(1,712	)		(15,129	)		(390	)		(17,231	)
Recoveries		370			3,344			193			3,907
Provision		4,795			11,434			45			16,274
Ending Balance as of June 30, 2018	$	31,059		$	36,479		$	4,912		$	72,450
Balance as of December 31, 2016	$	25,444		$	33,375		$	6,381		$	65,200
Charge-offs		(2,417	)		(12,763	)		(1,296	)		(16,476	)
Recoveries		653			2,234			43			2,930
Provision		748			12,677			1,521			14,946
Ending Balance as of June 30, 2017	$	24,428		$	35,523		$	6,649		$	66,600

For acquired loans, to the extent that we experience deterioration in borrower credit quality resulting in a decrease in our expected cash flows subsequent to the acquisition of the loans, an allowance for loan losses is established based on our estimate of incurred losses at the balance sheet date. There was no allowance for loan losses for the acquired loan portfolio as of June 30, 2018 and December 31, 2017. Net charge-offs of acquired loans totaled approximately $0.1 million and $0.3 million during the three months ended June 30, 2018 and 2017, respectively and approximately $0.2 million and $0.7 million during the six months ended June 30, 2018 and 2017, respectively and are included in the table above.

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments:

(In thousands)	Commercial Loans		Consumer Loans		Residential Real Estate		Total
As of June 30, 2018
Allowance for loan losses	$	31,059	$	36,479	$	4,912	$	72,450
Allowance for loans individually evaluated for impairment		25		-		-		25
Allowance for loans collectively evaluated for impairment	$	31,034	$	36,479	$	4,912	$	72,425
Ending balance of loans	$	3,190,556	$	2,317,746	$	1,350,761	$	6,859,063
Ending balance of originated loans individually evaluated for impairment		5,132		8,006		6,591		19,729
Ending balance of acquired loans collectively evaluated for impairment		162,216		36,865		158,908		357,989
Ending balance of originated loans collectively evaluated for impairment	$	3,023,208	$	2,272,875	$	1,185,262	$	6,481,345
As of December 31, 2017
Allowance for loan losses	$	27,606	$	36,830	$	5,064	$	69,500
Allowance for loans individually evaluated for impairment		57		-		-		57
Allowance for loans collectively evaluated for impairment	$	27,549	$	36,830	$	5,064	$	69,443
Ending balance of loans	$	3,028,269	$	2,234,809	$	1,321,695	$	6,584,773
Ending balance of originated loans individually evaluated for impairment		5,876		8,432		6,830		21,138
Ending balance of acquired loans collectively evaluated for impairment		187,313		43,906		170,472		401,691
Ending balance of originated loans collectively evaluated for impairment	$	2,835,080	$	2,182,471	$	1,144,393	$	6,161,944

Credit Quality of Loans

For all loan classes within the Company's loan portfolio, loans are placed on nonaccrual status when timely collection of principal and/or interest in accordance with contractual terms is in doubt. Loans are transferred to nonaccrual status generally when principal or interest payments become ninety days delinquent, unless the loan is well-secured and in the process of collection or sooner when management concludes circumstances indicate that borrowers may be unable to meet contractual principal or interest payments. When a loan is transferred to a nonaccrual status, all interest previously accrued in the current period but not collected is reversed against interest income in that period. Interest accrued in a prior period and not collected is charged-off against the allowance for loan losses.

15

If ultimate repayment of a nonaccrual loan is expected, any payments received are applied in accordance with contractual terms. If ultimate repayment of principal is not expected, any payment received on a nonaccrual loan is applied to principal until ultimate repayment becomes expected. For all loan classes within the Company's loan portfolio, nonaccrual loans are returned to accrual status when they become current as to principal and interest and demonstrate a period of performance under the contractual terms and, in the opinion of management, are fully collectible as to principal and interest. For loans in all portfolios, the principal amount is charged off in full or in part as soon as management determines, based on available facts, that the collection of principal in full or in part is improbable. For commercial loans, management considers specific facts and circumstances relative to individual credits in making such a determination. For consumer and residential loan classes, management uses specific guidance and thresholds from the Federal Financial Institutions Examination Council’s Uniform Retail Credit Classification and Account Management Policy.

The following tables set forth information with regard to past due and nonperforming loans by loan class:

(In thousands)	31-60 Days Past Due Accruing		61-90 Days Past Due Accruing		Greater Than 90 Days Past Due Accruing		Total Past Due Accruing		Nonaccrual		Current		Recorded Total Loans
As of June 30, 2018
Originated
Commercial Loans:
C&I	$	1,395	$	394	$	-	$	1,789	$	1,041	$	833,557	$	836,387
CRE		1,846		-		-		1,846		4,085		1,704,773		1,710,704
Business Banking		1,089		540		-		1,629		6,047		473,573		481,249
Total Commercial Loans	$	4,330	$	934	$	-	$	5,264	$	11,173	$	3,011,903	$	3,028,340
Consumer Loans:
Dealer Finance	$	11,909	$	1,956	$	745	$	14,610	$	1,972	$	1,235,983	$	1,252,565
Specialty Lending		2,960		1,921		1,106		5,987		-		501,631		507,618
Direct		2,488		653		322		3,463		2,716		514,519		520,698
Total Consumer Loans	$	17,357	$	4,530	$	2,173	$	24,060	$	4,688	$	2,252,133	$	2,280,881
Residential Real Estate	$	2,477	$	746	$	36	$	3,259	$	5,600	$	1,182,994	$	1,191,853
Total Originated Loans	$	24,164	$	6,210	$	2,209	$	32,583	$	21,461	$	6,447,030	$	6,501,074
Acquired
Commercial Loans:
C&I	$	-	$	-	$	-	$	-	$	-	$	34,054	$	34,054
CRE		-		-		-		-		2		90,049		90,051
Business Banking		442		80		-		522		603		36,986		38,111
Total Commercial Loans	$	442	$	80	$	-	$	522	$	605	$	161,089	$	162,216
Consumer Loans:
Dealer Finance	$	5	$	-	$	-	$	5	$	14	$	259	$	278
Direct		227		44		-		271		314		36,002		36,587
Total Consumer Loans	$	232	$	44	$	-	$	276	$	328	$	36,261	$	36,865
Residential Real Estate	$	972	$	-	$	-	$	972	$	1,612	$	156,324	$	158,908
Total Acquired Loans	$	1,646	$	124	$	-	$	1,770	$	2,545	$	353,674	$	357,989
Total Loans	$	25,810	$	6,334	$	2,209	$	34,353	$	24,006	$	6,800,704	$	6,859,063

16

(In thousands)	31-60 Days Past Due Accruing		61-90 Days Past Due Accruing		Greater Than 90 Days Past Due Accruing		Total Past Due Accruing		Nonaccrual		Current		Recorded Total Loans
As of December 31, 2017
Originated
Commercial Loans:
Commercial	$	-	$	-	$	-	$	-	$	202	$	753,577	$	753,779
Commercial Real Estate		161		138		-		299		3,178		1,533,065		1,536,542
Agricultural		117		-		-		117		1,043		34,386		35,546
Agricultural Real Estate		493		-		-		493		2,736		30,905		34,134
Business Banking		1,907		597		-		2,504		5,304		473,147		480,955
Total Commercial Loans	$	2,678	$	735	$	-	$	3,413	$	12,463	$	2,825,080	$	2,840,956
Consumer Loans:
Indirect	$	18,747	$	4,033	$	3,492	$	26,272	$	2,115	$	1,642,664	$	1,671,051
Home Equity		2,887		854		341		4,082		2,736		448,081		454,899
Direct		341		108		70		519		35		64,399		64,953
Total Consumer Loans	$	21,975	$	4,995	$	3,903	$	30,873	$	4,886	$	2,155,144	$	2,190,903
Residential Real Estate	$	3,730	$	667	$	1,262	$	5,659	$	5,987	$	1,139,577	$	1,151,223
Total Originated Loans	$	28,383	$	6,397	$	5,165	$	39,945	$	23,336	$	6,119,801	$	6,183,082
Acquired
Commercial Loans:
Commercial	$	-	$	-	$	-	$	-	$	-	$	39,575	$	39,575
Commercial Real Estate		-		-		-		-		2		106,632		106,634
Business Banking		354		-		-		354		669		40,081		41,104
Total Commercial Loans	$	354	$	-	$	-	$	354	$	671	$	186,288	$	187,313
Consumer Loans:
Indirect	$	38	$	-	$	1	$	39	$	22	$	1,157	$	1,218
Home Equity		254		34		103		391		225		39,256		39,872
Direct		6		1		1		8		23		2,785		2,816
Total Consumer Loans	$	298	$	35	$	105	$	438	$	270	$	43,198	$	43,906
Residential Real Estate	$	627	$	226	$	140	$	993	$	1,431	$	168,048	$	170,472
Total Acquired Loans	$	1,279	$	261	$	245	$	1,785	$	2,372	$	397,534	$	401,691
Total Loans	$	29,662	$	6,658	$	5,410	$	41,730	$	25,708	$	6,517,335	$	6,584,773

There were no material commitments to extend further credit to borrowers with nonperforming loans as of June 30, 2018 and December 31, 2017.

Impaired Loans

The methodology used to establish the allowance for loan losses on impaired loans incorporates specific allocations on loans analyzed individually. Classified loans, including all trouble debt restructured loans ("TDRs") and nonaccrual commercial loans that are graded Substandard, Doubtful or Loss, with outstanding balances of $750 thousand or more are evaluated for impairment through the Company’s quarterly status review process. The Company considers commercial loans less than $750 thousand to be homogeneous loans. In determining that we will be unable to collect all principal and/or interest payments due in accordance with the contractual terms of the loan agreements, we consider factors such as payment history and changes in the financial condition of individual borrowers, local economic conditions, historical loss experience and the conditions of the various markets in which the collateral may be liquidated. For loans that are identified as impaired, impairment is measured by one of three methods: 1) the fair value of collateral less cost to sell, 2) present value of expected future cash flows or 3) the loan’s observable market price. These impaired loans are reviewed on a quarterly basis for changes in the level of impairment. Impaired amounts are charged off immediately if such amounts are determined by management to be uncollectable. Any change to the previously recognized impairment loss is recognized as a component of the provision for loan losses.

17

The following table provides information on loans specifically evaluated for impairment:

	June 30, 2018							December 31, 2017
(In thousands)	Recorded Investment Balance (Book)		Unpaid Principal Balance (Legal)		Related Allowance			Recorded Investment Balance (Book)		Unpaid Principal Balance (Legal)		Related Allowance
Originated
With no related allowance recorded:
Commercial Loans:
C&I	$	412	$	681				$	-	$	-
CRE		3,665		5,585					-		-
Commercial		-		-					-		251
Commercial Real Estate		-		-					2,211		3,979
Agricultural		-		-					452		465
Agricultural Real Estate		-		-					2,250		2,423
Business Banking		1,030		2,104					860		1,730
Total Commercial Loans	$	5,107	$	8,370				$	5,773	$	8,848
Consumer Loans:
Dealer Finance	$	149	$	189				$	-	$	-
Direct		7,857		9,836					-		-
Indirect		-		-					131		143
Home Equity		-		-					8,027		9,966
Direct		-		-					274		274
Total Consumer Loans	$	8,006	$	10,025				$	8,432	$	10,383
Residential Real Estate	$	6,591	$	8,836				$	6,830	$	8,780
Total	$	19,704	$	27,231				$	21,035	$	28,011
With an allowance recorded:
Commercial Loans:
C&I	$	25	$	25		$	25	$	-	$	-		$	-
Commercial Real Estate		-		-			-		76		82			30
Agricultural		-		-			-		27		27			27
Total Commercial Loans	$	25	$	25		$	25	$	103	$	109		$	57
Total Loans	$	19,729	$	27,256		$	25	$	21,138	$	28,120		$	57

There were no acquired impaired loans specifically evaluated for impairment as of June 30, 2018 or December 31, 2017.

The following tables summarize the average recorded investments on loans specifically evaluated for impairment and the interest income recognized:

	For the three months ended
	June 30, 2018				June 30, 2017
(In thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Originated
Commercial Loans:
C&I	$	447	$	1	$	-	$	-
CRE		3,882		32		-		-
Commercial		-		-		3,931		-
Commercial Real Estate		-		-		3,243		1
Agricultural		-		-		157		1
Agricultural Real Estate		-		-		1,549		10
Business Banking		1,044		3		890		3
Total Commercial Loans	$	5,373	$	36	$	9,770	$	15
Consumer Loans:
Dealer Finance	$	194	$	1	$	-	$	-
Direct		7,952		106		-		-
Indirect		-		-		25		1
Home Equity		-		-		8,205		110
Direct		-		-		120		-
Total Consumer Loans	$	8,146	$	107	$	8,350	$	111
Residential Real Estate	$	6,738	$	71	$	6,388	$	68
Total Originated Loans	$	20,257	$	214	$	24,508	$	194
Total Loans	$	20,257	$	214	$	24,508	$	194

18

	For the six months ended
	June 30, 2018				June 30, 2017
(In thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Originated
Commercial Loans:
C&I	$	457	$	1	$	-	$	-
CRE		4,154		64		-		-
Commercial		-		-		3,419		-
Commercial Real Estate		-		-		4,584		45
Agricultural		-		-		165		1
Agricultural Real Estate		-		-		1,564		21
Business Banking		988		8		788		5
Total Commercial Loans	$	5,599	$	73	$	10,520	$	72
Consumer Loans:
Dealer Finance	$	188	$	4	$	-	$	-
Direct		8,066		215		-		-
Indirect		-		-		16		1
Home Equity		-		-		8,310		220
Direct		-		-		120		-
Total Consumer Loans	$	8,254	$	219	$	8,446	$	221
Residential Real Estate	$	6,815	$	144	$	6,308	$	129
Total Originated Loans	$	20,668	$	436	$	25,274	$	422
Acquired
Commercial Loans:
Commercial Real Estate	$	-	$	-	$	172	$	-
Total Commercial Loans	$	-	$	-	$	172	$	-
Total Acquired Loans	$	-	$	-	$	172	$	-
Total Loans	$	20,668	$	436	$	25,446	$	422

Credit Quality Indicators

The Company has developed an internal loan grading system to evaluate and quantify the Company’s loan portfolio with respect to quality and risk. The system focuses on, among other things, financial strength of borrowers, experience and depth of borrower’s management, primary and secondary sources of repayment, payment history, nature of the business and outlook on particular industries. The internal grading system enables the Company to monitor the quality of the entire loan portfolio on a consistent basis and provide management with an early warning system, enabling recognition and response to problem loans and potential problem loans.

Commercial Grading System

For commercial and agricultural loans, the Company uses a grading system that relies on quantifiable and measurable characteristics when available. This would include comparison of financial strength to available industry averages, comparison of transaction factors (loan terms and conditions) to loan policy and comparison of credit history to stated repayment terms and industry averages. Some grading factors are necessarily more subjective such as economic and industry factors, regulatory environment and management. Commercial loans are graded Doubtful, Substandard, Special Mention and Pass.

● Doubtful

A Doubtful loan has a high probability of total or substantial loss, but because of specific pending events that may strengthen the asset, its classification as a loss is deferred. Doubtful borrowers are usually in default, lack adequate liquidity or capital and lack the resources necessary to remain an operating entity. Pending events can include mergers, acquisitions, liquidations, capital injections, the perfection of liens on additional collateral, the valuation of collateral and refinancing. Generally, pending events should be resolved within a relatively short period and the ratings will be adjusted based on the new information. Nonaccrual treatment is required for Doubtful assets because of the high probability of loss.

● Substandard

Substandard loans have a high probability of payment default or they have other well-defined weaknesses. They require more intensive supervision by bank management. Substandard loans are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. For some Substandard loans, the likelihood of full collection of interest and principal may be in doubt and those loans should be placed on nonaccrual. Although Substandard assets in the aggregate will have a distinct potential for loss, an individual asset’s loss potential does not have to be distinct for the asset to be rated Substandard.

● Special Mention

Special Mention loans have potential weaknesses that may, if not checked or corrected, weaken the asset or inadequately protect the Company’s position at some future date. These loans pose elevated risk, but their weakness does not yet justify a Substandard classification. Borrowers may be experiencing adverse operating trends (i.e., declining revenues or margins) or may be struggling with an ill-proportioned balance sheet (i.e., increasing inventory without an increase in sales, high leverage, tight liquidity). Adverse economic or market conditions, such as interest rate increases or the entry of a new competitor, may also support a Special Mention rating. Although a Special Mention loan has a higher probability of default than a Pass asset, its default is not imminent.

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● Pass

Loans graded as Pass encompass all loans not graded as Doubtful, Substandard or Special Mention. Pass loans are in compliance with loan covenants and payments are generally made as agreed. Pass loans range from superior quality to fair quality.

Business Banking Grading System

Business banking loans are graded as either Classified or Non-classified:

● Classified

Classified loans are inadequately protected by the current worth and paying capacity of the obligor or, if applicable, the collateral pledged. These loans have a well-defined weakness or weaknesses, which jeopardize the liquidation of the debt or in some cases make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Classified loans have a high probability of payment default or a high probability of total or substantial loss. These loans require more intensive supervision by management and are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. When the likelihood of full collection of interest and principal may be in doubt, Classified loans are considered to have a nonaccrual status. In some cases, Classified loans are considered uncollectable and of such little value that their continuance as assets is not warranted.

● Non-classified

Loans graded as Non-classified encompass all loans not graded as Classified. Non-classified loans are in compliance with loan covenants and payments are generally made as agreed.

Consumer and Residential Real Estate Grading System

Consumer and Residential Real Estate loans are graded as either Nonperforming or Performing. 

● Nonperforming

Nonperforming loans are loans that are 1) over 90 days past due and interest is still accruing or 2) on nonaccrual status.

● Performing

All loans not meeting any of these criteria are considered Performing.

The following tables illustrate the Company’s credit quality by loan class:

(In thousands)	As of June 30, 2018
Originated
Commercial Credit Exposure By Internally Assigned Grade:		C&I	CRE		Total
Pass	$	773,097	$	1,658,780	$	2,431,877
Special Mention		46,153		14,720		60,873
Substandard		16,737		37,204		53,941
Doubtful		400		-		400
Total	$	836,387	$	1,710,704	$	2,547,091

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	469,660	$	469,660
Classified		11,589		11,589
Total	$	481,249	$	481,249

20

Consumer Credit Exposure By Payment Activity:	Dealer Finance		Specialty Lending		Direct		Total
Performing	$	1,249,848	$	506,512	$	517,660	$	2,274,020
Nonperforming		2,717		1,106		3,038		6,861
Total	$	1,252,565	$	507,618	$	520,698	$	2,280,881

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	1,186,217	$	1,186,217
Nonperforming		5,636		5,636
Total	$	1,191,853	$	1,191,853

Acquired

Commercial Credit Exposure By Internally Assigned Grade:		C&I	CRE		Total
Pass	$	28,989	$	88,818	$	117,807
Special Mention		5,019		564		5,583
Substandard		46		669		715
Total	$	34,054	$	90,051	$	124,105

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	35,691	$	35,691
Classified		2,420		2,420
Total	$	38,111	$	38,111

Consumer Credit Exposure By Payment Activity:	Dealer Finance		Direct		Total
Performing	$	264	$	36,273	$	36,537
Nonperforming		14		314		328
Total	$	278	$	36,587	$	36,865

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	157,296	$	157,296
Nonperforming		1,612		1,612
Total	$	158,908	$	158,908

(In thousands)	As of December 31, 2017
Originated
Commercial Credit Exposure By Internally Assigned Grade:	Commercial			Commercial Real Estate			Agricultural		Agricultural Real Estate			Total
Pass		$	708,567		$	1,481,926	$	31,142		$	23,381		$	2,245,016
Special Mention			30,337			28,264		2,294			2,441			63,336
Substandard			14,875			26,352		2,110			8,312			51,649
Total		$	753,779		$	1,536,542	$	35,546		$	34,134		$	2,360,001

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	468,898	$	468,898
Classified		12,057		12,057
Total	$	480,955	$	480,955

Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	1,665,444	$	451,822	$	64,848	$	2,182,114
Nonperforming		5,607		3,077		105		8,789
Total	$	1,671,051	$	454,899	$	64,953	$	2,190,903

21

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	1,143,974	$	1,143,974
Nonperforming		7,249		7,249
Total	$	1,151,223	$	1,151,223

Acquired
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Total
Pass	$	37,825	$	103,248	$	141,073
Special Mention		425		498		923
Substandard		1,325		2,888		4,213
Total	$	39,575	$	106,634	$	146,209

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	38,236	$	38,236
Classified		2,868		2,868
Total	$	41,104	$	41,104

Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	1,195	$	39,544	$	2,792	$	43,531
Nonperforming		23		328		24		375
Total	$	1,218	$	39,872	$	2,816	$	43,906

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	168,901	$	168,901
Nonperforming		1,571		1,571
Total	$	170,472	$	170,472

Troubled Debt Restructured Loans

When the Company modifies a loan in a trouble debt restructuring, such modifications include one or a combination of the following: an extension of the maturity date at a stated rate of interest lower than the current market rate for new debt with similar risk; temporary reduction in the interest rate or change in scheduled payment amount. Residential and consumer TDRs occurring during 2018 and 2017 were due to the reduction in the interest rate or extension of the term. Commercial TDRs during 2018 and 2017 were both a reduction of the interest rate and change in terms.

When the Company modifies a loan in a troubled debt restructuring, management measures for impairment, if any, based on the present value of the expected future cash flows, discounted at the contractual interest rate of the original loan agreement, except when the sole (remaining) source of repayment for the loan is the operation or liquidation of the collateral. In these cases, management uses the current fair value of the collateral, less selling costs. If management determines that the value of the modified loan is less than the recorded investment in the loan an impairment charge would be recognized.

The following tables illustrate the recorded investment and number of modifications for modified loans, including the recorded investment in the loans prior to a modification and the recorded investment in the loans after restructuring:

	Three months ended June 30, 2018
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Business Banking		1	$	6	$	5
Total Commercial Loans		1	$	6	$	5
Consumer Loans:
Dealer Finance		1	$	13	$	13
Total Consumer Loans		1	$	13	$	13
Total Troubled Debt Restructurings		2	$	19	$	18

22

	Three months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Commercial		1	$	3,300	$	3,239
Business Banking		1		337		333
Total Commercial Loans		2	$	3,637	$	3,572
Consumer Loans:
Indirect		3	$	32	$	31
Home Equity		1		78		78
Direct		1		120		120
Total Consumer Loans		5	$	230	$	229
Residential Real Estate		4	$	346	$	346
Total Troubled Debt Restructurings		11	$	4,213	$	4,147

	Six months ended June 30, 2018
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Business Banking		3	$	369	$	371
Total Commercial Loans		3	$	369	$	371
Consumer Loans:
Dealer Finance		7	$	95	$	94
Direct		2		41		41
Total Consumer Loans		9	$	136	$	135
Residential Real Estate		5	$	323	$	323
Total Troubled Debt Restructurings		17	$	828	$	829

	Six months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Commercial		1	$	3,300	$	3,239
Business Banking		1		337		333
Total Commercial Loans		2	$	3,637	$	3,572
Consumer Loans:
Indirect		3	$	32	$	31
Home Equity		4		185		192
Direct		1		120		120
Total Consumer Loans		8	$	337	$	343
Residential Real Estate		6	$	548	$	554
Total Troubled Debt Restructurings		16	$	4,522	$	4,469

The following tables illustrate the recorded investment and number of modifications for TDRs where a concession has been made and subsequently defaulted during the period:

	Three months ended June 30, 2018				Three months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Commercial Loans:
Business Banking		1	$	58		1	$	329
Total Commercial Loans		1	$	58		1	$	329
Consumer Loans:
Indirect		-	$	-		1	$	14
Home Equity		-		-		13		589
Direct		13		495		-		-
Total Consumer Loans		13	$	495		14	$	603
Residential Real Estate		7	$	599		4	$	251
Total Troubled Debt Restructurings		21	$	1,152		19	$	1,183

23

	Six months ended June 30, 2018				Six months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Commercial Loans:
Commercial		-	$	-		1	$	145
Business Banking		2		258		1		329
Total Commercial Loans		2	$	258		2	$	474
Consumer Loans:
Indirect		-	$	-		2	$	19
Home Equity		-		-		22		1,101
Direct		25		1,260		-		-
Total Consumer Loans		25	$	1,260		24	$	1,120
Residential Real Estate		13	$	907		8	$	419
Total Troubled Debt Restructurings		40	$	2,425		34	$	2,013

5. Defined Benefit Post-Retirement Plans

The Company has a qualified, noncontributory, defined benefit pension plan (“the Plan”) covering substantially all of its employees at June 30, 2018. Benefits paid from the plan are based on age, years of service, compensation, social security benefits and are determined in accordance with defined formulas. The Company’s policy is to fund the Plan in accordance with Employee Retirement Income Security Act of 1974 standards. Assets of the Plan are invested in publicly traded stocks and mutual funds. 

In addition to the Plan, the Company also provides supplemental employee retirement plans to certain current and former executives. The Company also assumed supplemental retirement plans for certain current and former executives of Alliance Financial Corporation (“Alliance”) when the Company acquired Alliance.

These supplemental employee retirement plans and the Plan are collectively referred to herein as “Pension Benefits.”

In addition, the Company provides certain health care benefits for retired employees. Benefits are accrued over the employees’ active service period. Only employees that were employed by the Company on or before January 1, 2000 are eligible to receive post-retirement health care benefits. In addition, the Company assumed post-retirement medical life insurance benefits for certain Alliance employees, retirees and their spouses, if applicable, in the Alliance acquisition. These post-retirement benefits are referred to herein as “Other Benefits.”

The Company made no voluntary contributions to the pension and other benefits plans in 2017 and did not do so during the three and six months ended June 30, 2018.

The components of expense for Pension Benefits and Other Benefits are set forth below:

	Pension Benefits						Other Benefits
	Three months ended June 30,						Three months ended June 30,
(In thousands)	2018			2017			2018		2017
Components of net periodic (benefit) cost:
Service cost	$	420		$	402		$	3	$	3
Interest cost		920			1,042			82		86
Expected return on plan assets		(2,123	)		(1,985	)		-		-
Net amortization		251			415			44		20
Total net periodic (benefit) cost	$	(532	)	$	(126	)	$	129	$	109

	Pension Benefits						Other Benefits
	Six months ended June 30,						Six months ended June 30,
(In thousands)	2018			2017			2018		2017
Components of net periodic (benefit) cost:
Service cost	$	840		$	801		$	6	$	6
Interest cost		1,840			2,084			164		172
Expected return on plan assets		(4,246	)		(3,970	)		-		-
Net amortization		502			830			88		40
Total net periodic (benefit) cost	$	(1,064	)	$	(255	)	$	258	$	218

24

The service cost component of the net periodic (benefit) cost is included in Salaries and Employee Benefits and the interest cost, expected return on plan assets and net amortization components are including in Other Noninterest Expense on the unaudited interim consolidated statements of income.

6. Earnings Per Share

Basic earnings per share ("EPS") excludes dilution and is computed by dividing income available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity (such as the Company’s dilutive stock options and restricted stock units).

The following is a reconciliation of basic and diluted EPS for the periods presented in the unaudited interim consolidated statements of income: 

	Three Months Ended June 30,
(In thousands, except per share data)	2018		2017
Basic EPS:
Weighted average common shares outstanding		43,699		43,579
Net income available to common stockholders	$	28,121	$	21,359
Basic EPS	$	0.64	$	0.49
Diluted EPS:
Weighted average common shares outstanding		43,699		43,579
Dilutive effect of common stock options and restricted stock		318		322
Weighted average common shares and common share equivalents		44,017		43,901
Net income available to common stockholders	$	28,121	$	21,359
Diluted EPS	$	0.64	$	0.49

	Six Months Ended June 30,
(In thousands, except per share data)	2018		2017
Basic EPS:
Weighted average common shares outstanding		43,681		43,546
Net income available to common stockholders	$	54,107	$	41,638
Basic EPS	$	1.24	$	0.96
Diluted EPS:
Weighted average common shares outstanding		43,681		43,546
Dilutive effect of common stock options and restricted stock		311		340
Weighted average common shares and common share equivalents		43,992		43,886
Net income available to common stockholders	$	54,107	$	41,638
Diluted EPS	$	1.23	$	0.95

There were 1,500 and 3,250 stock options for the quarters ended June 30, 2018 and June 30, 2017, respectively that were not considered in the calculation of diluted EPS since the stock options’ exercise price was greater than the average market price during these periods.

There were 1,500 and 1,144 stock options for the six months ended June 30, 2018 and June 30, 2017, respectively, that were not considered in the calculation of diluted EPS since the stock options’ exercise price was greater than the average market price during these periods.

25

7. Reclassification Adjustments Out of Other Comprehensive Income (Loss)

The following table summarizes the reclassification adjustments out of accumulated other comprehensive income (loss) ("AOCI"):

Detail About AOCI Components	Amount Reclassified From AOCI						Affected Line Item in the Consolidated Statement of Comprehensive Income (Loss)
	Three months ended
(In thousands)	June 30, 2018			June 30, 2017
AFS securities:
(Gains) on AFS securities	$	-		$	(2	)	Net securities gains
Amortization of unrealized gains related to securities transfer		177			225		Interest income
Tax effect	$	(44	)	$	(85	)	Income tax (expense) benefit
Net of tax	$	133		$	138
Cash flow hedges:
Net unrealized (gains) losses on cash flow hedges reclassified to interest (income) expense	$	(540	)	$	(23	)	Interest expense
Tax effect	$	135		$	9		Income tax (expense) benefit
Net of tax	$	(405	)	$	(14	)
Pension and other benefits:
Amortization of net losses	$	273		$	425		Other noninterest expense
Amortization of prior service costs		22			10		Other noninterest expense
Tax effect	$	(74	)	$	(166	)	Income tax (expense) benefit
Net of tax	$	221		$	269
Total reclassifications during the period, net of tax	$	(51	)	$	393

Detail About AOCI Components	Amount Reclassified From AOCI						Affected Line item in the Consolidated Statement of Comprehensive Income (Loss)
	Six months ended
(In thousands)	June 30, 2018			June 30, 2017
AFS securities:
(Gains) on AFS securities	$	-		$	(2	)	Net securities gains
Amortization of unrealized gains related to securities transfer		365			463		Interest income
Impairment write-down of equity security		-			1,312		Other noninterest income
Tax effect	$	(91	)	$	(677	)	Income tax (expense) benefit
Net of tax	$	274		$	1,096
Cash flow hedges:
Net unrealized (gains) losses on cash flow hedges reclassified to interest (income) expense	$	(899	)	$	59		Interest expense
Tax effect	$	225		$	(23	)	Income tax (expense) benefit
Net of tax	$	(674	)	$	36
Pension and other benefits:
Amortization of net losses	$	546		$	850		Other noninterest expense
Amortization of prior service costs		44			20		Other noninterest expense
Tax effect	$	(148	)	$	(332	)	Income tax (expense) benefit
Net of tax	$	442		$	538
Total reclassifications during the period, net of tax	$	42		$	1,670

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8. Fair Value Measurements and Fair Value of Financial Instruments

GAAP states that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. Fair value measurements are not adjusted for transaction costs. A fair value hierarchy exists within GAAP that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below:

Level 1 - Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

Level 2 - Quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability;

Level 3 - Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The types of instruments valued based on quoted market prices in active markets include most U.S. government and agency securities, many other sovereign government obligations, liquid mortgage products, active listed equities and most money market securities. Such instruments are generally classified within Level 1 or Level 2 of the fair value hierarchy. The Company does not adjust the quoted prices for such instruments.

The types of instruments valued based on quoted prices in markets that are not active, broker or dealer quotations or alternative pricing sources with reasonable levels of price transparency include most investment-grade and high-yield corporate bonds, less liquid mortgage products, less liquid agency securities, less liquid listed equities, state, municipal and provincial obligations and certain physical commodities. Such instruments are generally classified within Level 2 of the fair value hierarchy. Certain common equity securities are reported at fair value utilizing Level 1 inputs (exchange quoted prices). Other investment securities are reported at fair value utilizing Level 1 and Level 2 inputs. The prices for Level 2 instruments are obtained through an independent pricing service or dealer market participants with whom the Company has historically transacted both purchases and sales of investment securities. Prices obtained from these sources include prices derived from market quotations and matrix pricing. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond's terms and conditions, among other things. Management reviews the methodologies used in pricing the securities by its third party providers.

Level 3 is for positions that are not traded in active markets or are subject to transfer restrictions, valuations are adjusted to reflect illiquidity and/or non-transferability and such adjustments are generally based on available market evidence. In the absence of such evidence, management’s best estimate will be used. Management’s best estimate consists of both internal and external support on certain Level 3 investments. Subsequent to inception, management only changes Level 3 inputs and assumptions when corroborated by evidence such as transactions in similar instruments, completed or pending third-party transactions in the underlying investment or comparable entities, subsequent rounds of financing, recapitalizations and other transactions across the capital structure, offerings in the equity or debt markets and changes in financial ratios or cash flows.

For the three and six months ended June 30, 2018, the Company made no transfers of assets from Level 1 to Level 2. For the three months ended June 30, 2018, the Company made no transfers of assets from Level 2 to Level 1. For the six months ended June 30, 2018, the Company made a $4.0 million transfer from Level 2 to Level 1. For the year ended December 31, 2017, the Company made no transfer of assets between the levels of the fair value hierarchy.

The following tables set forth the Company’s financial assets and liabilities measured on a recurring basis that were accounted for at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

(In thousands)	Level 1		Level 2		Level 3		June 30, 2018
Assets:
AFS securities:
Federal agency	$	-	$	118,570	$	-	$	118,570
State & municipal		-		36,402		-		36,402
Mortgage-backed		-		519,645		-		519,645
Collateralized mortgage obligations		-		518,322		-		518,322
Total AFS securities	$	-	$	1,192,939	$	-	$	1,192,939
Equity securities		20,109		4,184		-		24,293
Derivatives		-		22,568		-		22,568
Total	$	20,109	$	1,219,691	$	-	$	1,239,800
Liabilities:
Derivatives	$	-	$	18,463	$	-	$	18,463
Total	$	-	$	18,463	$	-	$	18,463

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(In thousands)	Level 1		Level 2		Level 3		December 31, 2017
Assets:
AFS securities:
Federal agency	$	-	$	108,899	$	-	$	108,899
State & municipal		-		41,956		-		41,956
Mortgage-backed		-		554,927		-		554,927
Collateralized mortgage obligations		-		535,994		-		535,994
Other securities		5,845		8,304		-		14,149
Total AFS securities	$	5,845	$	1,250,080	$	-	$	1,255,925
Trading securities		11,467		-		-		11,467
Derivatives		-		3,732		-		3,732
Total	$	17,312	$	1,253,812	$	-	$	1,271,124
Liabilities:
Derivatives	$	-	$	324	$	-	$	324
Total	$	-	$	324	$	-	$	324

GAAP requires disclosure of assets and liabilities measured and recorded at fair value on a non-recurring basis such as goodwill, loans held for sale, other real estate owned, collateral-dependent impaired loans, mortgage servicing rights and HTM securities. The only non-recurring fair value measurements recorded during the three and six month periods ended June 30, 2018 and December 31, 2017 were related to impaired loans, write-down of other real estate owned and impairments of goodwill and intangible assets. The Company uses the fair value of underlying collateral, less costs to sell, to estimate the specific reserves for collateral dependent impaired loans. The appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses ranging from 10% to 35%. Based on the valuation techniques used, the fair value measurements for collateral dependent impaired loans are classified as Level 3.

As of June 30, 2018 and December 31, 2017, the Company had collateral dependent loans with a carrying value of $25 thousand and $0.1 million, respectively, which had specific reserves including in the allowance for loan losses of $25 thousand and $0.1 million, respectively.

Interest Rate Swaps

The Company enters into interest rate swaps to facilitate customer transactions and meet their financing needs. These swaps are considered derivatives, but are not designated in hedging relationships. These instruments have interest rate and credit risk associated with them. To mitigate the interest rate risk, the Company enters into offsetting interest rate swaps with counterparties. The counterparty swaps are also considered derivatives and are also not designated in hedging relationships. Interest rate swaps are recorded within other assets or other liabilities on the unaudited interim consolidated balance sheet at their estimated fair value. Changes to the fair value of assets and liabilities arising from these derivatives are included, net, in other operating income in the unaudited interim consolidated statement of income. At June 30, 2018 the notional amount of these customer derivative agreements and the offsetting derivative counterparty positions each totaled $625.7 million and the fair values included in other assets and other liabilities on the unaudited interim consolidated balance sheet applicable to these agreements amounted to $18.5 million. At December 31, 2017, the notional amount of these customer derivative agreements and the offsetting derivative counterparty positions each totaled $481.2 million and the fair values included in other assets and other liabilities on the unaudited interim consolidated balance sheet applicable to these agreements amounted to $0.2 million.

The Company has entered into interest rate swaps to modify the interest rate characteristics of certain short-term FHLB advances from variable rate to fixed rate in order to reduce the impact of changes in future cash flows due to market interest rate changes. These agreements are designated as cash flow hedges. The notional amount of these interest rate derivative agreements total $225.0 million at June 30, 2018 and $250.0 million at December 31, 2017. Fair values included in other assets on the unaudited interim consolidated balance sheet applicable to these agreements amounted to $4.1 million at June 30, 2018 and $3.5 million at December 31, 2017.

For derivatives designated and that qualify as cash flow hedges of interest rate risk, the gain or loss on the derivative is recorded in AOCI and subsequently reclassified into interest expense in the same period during which the hedge transaction affects earnings. Amounts reported in AOCI related to derivatives will be reclassified to interest expense as interest payments are made on the Company's short-term rate borrowings. The change in net unrealized gains (losses) on cash flow hedges reflects a reclassification of $0.5 million and $0.1 million of net unrealized gains from AOCI to interest expense during the three months ended June 30, 2018 and 2017, respectively. The change in net unrealized gains (losses) on cash flow hedges reflects a reclassification of $0.9 million of net unrealized gains and $0.1 million of net unrealized (losses) from AOCI to interest expense during the six months ended June 30, 2018 and 2017, respectively. During the next twelve months, the Company estimates that an additional $3.0 million will be reclassified from AOCI as a reduction to interest expense.

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The following table sets forth information with regard to estimated fair values of financial instruments. This table excludes financial instruments for which the carrying amount approximates fair value. Financial instruments for which the fair value approximates carrying value include cash and cash equivalents, AFS securities, equity securities, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable and interest rate swaps.

			June 30, 2018				December 31, 2017
(In thousands)	Fair Value Hierarchy		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets:
HTM securities		2	$	544,163	$	532,979	$	484,073	$	481,871
Net loans		3		6,786,613		6,811,553		6,515,273		6,651,931
Financial liabilities:
Time deposits		2	$	864,052	$	856,646	$	806,766	$	801,294
Long-term debt		2		73,778		72,379		88,869		88,346
Junior subordinated debt		2		101,196		101,248		101,196		104,593

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 any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. 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. For example, the Company has a substantial trust and investment management operation that contributes net fee income annually. The trust and investment management operation is not considered a financial instrument and its value has not been incorporated into the fair value estimates. Other significant assets and liabilities include the benefits resulting from the low-cost funding of deposit liabilities as compared to the cost of borrowing funds in the market and premises and equipment. 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 estimate of fair value.

HTM Securities

The fair value of the Company’s investment HTM securities is primarily measured using information from a third party pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things.

Net Loans

The fair value of the Company’s loans was estimated by discounting the expected future cash flows using the current interest rates at which similar loans would be made for the same remaining maturities, in accordance with the exit price notion as defined by Financial Accounting Standards Board ("FASB") Accounting Standard Codification ("ASC") 820, Fair Value Measurement ("ASC 820"). Loans were first segregated by type and then further segmented into fixed and variable rate and loan quality categories. Expected future cash flows were projected based on contractual cash flows, adjusted for estimated prepayments and as a result of the adoption of Accounting Standard Update ("ASU") 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities, which also included credit risk, illiquidity risk and other market factors to calculate the exit price fair value in accordance with ASC 820. Upon adoption, ASU 2016-01, did not materially change the estimated fair value of loans.

Time Deposits

The fair value of time deposits was estimated using a discounted cash flow approach that applies prevailing market interest rates for similar maturity instruments. The fair values of the Company’s time deposit liabilities do not take into consideration the value of the Company’s long-term relationships with depositors, which may have significant value.

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Long-Term Debt

The fair value of long-term debt was estimated using a discounted cash flow approach that applies prevailing market interest rates for similar maturity instruments.

Junior Subordinated Debt

The fair value of junior subordinated debt has been estimated using a discounted cash flow analysis.

9. Commitments and Contingencies

The Company is a 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, unused lines of credit, standby letters of credit and certain agricultural real estate loans sold to investors with recourse, with the sold portion having a government guarantee that is assignable back to the Company upon repurchase of the loan in the event of default. The Company's exposure to credit loss in the event of nonperformance by the other party to the commitments to extend credit, unused lines of credit, standby letters of credit and loans sold with recourse is represented by the contractual amounts of those investments. The credit risk associated with commitments to extend credit and standby and commercial letters of credit is essentially the same as that involved with extending loans to customers and is subject to normal credit policies. Commitments to extend credit and unused lines of credit totaled $1.7 billion at June 30, 2018 and $1.6 billion at December 31, 2017.

Since many loan commitments, standby letters of credit, guarantees and indemnification contracts expire without being funded in whole or in part, the contract amounts are not necessarily indicative of future cash flows. The Company does not issue any guarantee that would require liability-recognition or disclosure, other than its standby letters of credit.

The Company guarantees the obligations or performance of customers by issuing standby letters of credit to third parties. These standby letters of credit are frequently issued in support of third party debt, such as corporate debt issuances, industrial revenue bonds and municipal securities. The risk involved in issuing standby letters of credit is essentially the same as the credit risk involved in extending loan facilities to customers and they are subject to the same credit origination guidelines, portfolio maintenance and management procedures in effect to monitor other credit and off-balance sheet products. Typically, these instruments have terms of five years or less and expire unused; therefore, the total amounts do not necessarily represent future cash commitments. Standby letters of credit totaled $40.5 million at June 30, 2018 and $41.1 million at December 31, 2017. As of June 30, 2018 and December 31, 2017, the fair value of standby letters of credit was not significant.

10. Revenue from Contracts with Customers

Effective January 1, 2018, the Company adopted FASB ASU 2014-09, Revenue from Contracts with Customers (ASC Topic 606) ("ASC 606" and "ASU 2014-09"), and all subsequent ASUs that modified ASC 606. The implementation of ASC 606 did not have a material impact on the measurement or recognition of revenue; as such, a cumulative effect adjustment to opening retained earnings was not deemed necessary. Results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts were not adjusted and continue to be reported in accordance with our historic accounting under ASC 605. ASC 606 does not apply to revenue associated with financial instruments, including revenue from loans and securities and certain noninterest income streams such as fees associated with mortgage servicing rights, financial guarantees, derivatives and certain credit card fees are also not in scope. ASC 606 is applicable to noninterest revenue streams such as trust and asset management income, deposit related fees and annuity and insurance commissions; however, the recognition of these revenue streams did not change significantly upon adoption of ASC 606.

Insurance and Other Financial Services Revenue

Insurance and other financial services revenue primarily consists of commissions received on insurance and brokered investment product sales. The Company acts as an intermediary between the Company’s customer and the insurance carrier. The Company’s performance obligation is generally satisfied upon the issuance of the annuity policy and the Company generally recognizes revenue. Shortly after the policy is issued, the carrier remits the commission payment to the Company. The Company does not earn a significant amount of trailing commission fees on insurance or brokered investment product sales. The majority of the trailing commission fees are calculated based on a percentage of market value of a period end and revenue is recognized when an investment product’s market value can be determined.

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Service Charges on Deposit Accounts

Service charges on deposit accounts consist of overdraft fees, monthly service fees, check orders and other deposit account related fees. Overdraft, monthly service, check orders and other deposit account related fees are transactional based, and therefore, the Company’s performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges on deposit accounts is primarily received immediately or in the following month through a direct charge to customers’ accounts.

ATM and Debit Card Fees

ATM fees are primarily generated when a Company cardholder uses a non-Company ATM or a non-Company cardholder uses a Company ATM. Debit card income is primarily comprised of interchange fees earned whenever the Company’s debit cards are processed through card payment networks. The Company’s performance obligations for these revenue streams are satisfied, and related revenue recognized, when the services are rendered or upon completion of a transaction. Payment is typically received immediately or in the following month through a direct charge to customer’s accounts.

Retirement Plan Administration Fees

Retirement plan administration fees are primarily generated for services related to the recordkeeping, administration and plan design solutions of defined benefit, defined contribution and revenue sharing plans. Revenue is recognized for services provided in accordance with fees established in contracts with customers or based on rates agreed to with investment trade platforms based on ending investment balances held. The Company’s performance obligation is satisfied, and related revenue recognized based on services completed or ending investment balances, for which receivables are recorded at the time of revenue recognition.

Trust

Trust and asset management income is primarily comprised of fees earned from the management and administration of trusts, pensions and other customer assets. The Company’s performance obligation is generally satisfied with the resulting fees recognized monthly, based upon services completed or the month-end market value of the assets under management and the applicable fee rate. Payment is generally received shortly after services are rendered or a few days after month end through a direct charge to customers’ accounts. The Company does not earn performance-based incentives.

Other

Other noninterest income consists of other recurring revenue streams such as account and loan fees, interest rate swap fees, safety deposit box rental fees and other miscellaneous revenue streams. These revenue streams are primarily transactional based and payment is received immediately or in the following month. The Company’s performance obligation is satisfied and related revenue recognized at the completion of a transaction.

The following table presents noninterest income, segregated by revenue streams in-scope and out-of-scope of ASC 606, for three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2018		2017		2018		2017
Noninterest income
In-Scope of ASC 606:
Insurance and other financial services revenue	$	5,826	$	5,621	$	12,330	$	12,391
Service charges on deposit accounts		4,246		4,161		8,218		8,138
ATM and debit card fees		5,816		5,518		11,089		10,468
Retirement plan administration fees		7,296		5,437		12,635		9,609
Trust		5,265		5,161		10,143		9,693
Other		4,401		3,186		8,293		6,124
Total noninterest income in-scope of ASC 606	$	32,850	$	29,084	$	62,708	$	56,423
Total noninterest income out-of-scope of ASC 606	$	1,308	$	1,220	$	2,727	$	2,631
Total noninterest income	$	34,158	$	30,304	$	65,435	$	59,054

Contract Balances

A contract asset balance occurs when an entity performs a service for a customer before the customer pays consideration or before payment is due, which would result in contract receivables or assets, respectively. A contract liability balance is an entity’s obligation to transfer a service to a customer for which the entity has already received payment or for which payment is due from the customer. The Company’s noninterest revenue streams are largely based on transactional activity, or standard month-end revenue accruals such as asset management fees based on month-end market values. Consideration is often received immediately or shortly after the Company satisfies its performance obligation and revenue is recognized. The Company does not typically enter into long-term revenue contracts with customers, and therefore, does not experience significant contract balances. As of June 30, 2018 and December 31, 2017, the Company did not have any significant contract balances.

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Contract Acquisition Costs

ASC 606 requires the capitalization, and subsequently amortization into expense, certain incremental costs of obtaining a contract with a customer if these costs are expected to be recovered. The incremental costs of obtaining a contract are those costs that an entity incurs to obtain a contract with a customer that it would not have incurred if the contract had not been obtained. The Company elected the practical expedient, which allows immediate expensing of contract acquisition costs when the asset that would have resulted from capitalizing these costs would have been amortized in one year or less, and did not capitalize any contract acquisition costs upon adoption of ASC 606 as of or during the three and six months ended June 30, 2018.

11. Recent Accounting Pronouncements

Recently Adopted Accounting Standards

Effective January 1, 2018, the Company early adopted the provisions of FASB ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, which was issued in February 2018. ASU 2018-02 allows a reclassification from AOCI to retained earnings for stranded tax effects resulting from the newly enacted federal corporate income tax rate in the Tax Act. The Tax Act included a reduction to the Federal corporate income tax rate from 35% to 21% effective January 1, 2018. The amount of the reclassification from AOCI to retained earnings is the difference between the historical corporate income tax rate and the newly enacted rate and will be accounted for as a cumulative-effect adjustment to the balance sheet. The adoption of ASU 2018-02 resulted in a reclassification that decreased AOCI and increased retained earnings by $5.6 million, with no net effect on total stockholders' equity. The Company utilizes the individual securities approach when releasing income tax effects from AOCI for its investment securities.

Effective January 1, 2018, the Company early adopted the provisions of FASB ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, which was issued in August 2017. ASU 2017-12 better aligns the accounting and reporting of hedging relationships with the economics of risk management activities. The amendments of ASU 2017-12 were applied on a modified retrospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-09, Compensation-Stock Compensation (Topic 718), which was issued in May 2017. ASU 2017-09 provides guidance about which changes to the terms and conditions of a share-based payment award require an entity to apply modification accounting. The amendments of ASU 2017-09 were applied on a prospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-07, Compensation – Retirement Benefits (Topic 715), which was issued in March 2017. ASU 2017-07 requires the service cost component of net periodic pension and post-retirement benefit cost to be reported separately in the consolidated statements of income from the other components. Additionally, the amendments in the ASU require presentation of the service cost component in the consolidated statements of income in the same line item as other employee compensation costs and presentation of the other components in a different line item from the service cost component. The amendments in ASU 2017-07 were applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic post-retirement benefit cost in the income statement. The adoption of ASU 2017-07 resulted in the reclassification of $0.4 million and $0.8 million of other components of net benefit cost from salaries and employee benefits expense to other noninterest expense for the three and six months ended June 30, 2017, respectively.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-05, Other Income – Gains and Losses from the Derecognition of Nonfinancial Assets (Subtopic 610-20), which was issued in February 2017. ASU 2017-05 clarifies the scope of ASC Subtopic 610-20 and adds guidance for partial sales of nonfinancial assets. The amendments define the term in substance nonfinancial assets and clarify that a nonfinancial asset within the scope may include nonfinancial assets transferred within a legal entity to a counterparty, in part, as a financial asset promised to a counterparty in a contract. Additionally, the amendments in the ASU clarify that an entity should identify each distinct nonfinancial asset or in substance nonfinancial assets and allocate consideration to each distinct asset. The amendments of ASU 2017-05 were applied on a modified retrospective basis and adoption did not have a significant impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business, which was issued in January 2017. ASU 2017-01 provides a more robust framework to use in determining when a set of assets and activities is a business and to address stakeholder feedback that the definition of a business in current GAAP is applied too broadly. The primary amendments in the ASU provide a screen to exclude transactions where substantially all of the fair value of the transferred set is concentrated in a single asset, or group of similar assets, from being evaluated as a business. The amendments of ASU 2017-01 were applied on a prospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

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Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments), issued in August 2016. ASU 2016-15 addresses diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. This standard addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies; distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. The amendments of ASU 2016-15 were applied on a retrospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10) – Recognition and Measurement of Financial Assets and Financial Liabilities, which was issued in January 2016. ASU 2016-01 addresses certain aspects of recognition, measurement, presentation and disclosure of financial instruments and requires entities to measure equity investments that do not result in consolidation and are not accounted for under the equity method at fair value. Any changes in fair value on equity investments with readily determinable market value will be recognized in net income unless the investments qualify for a new practicability exception. This ASU also requires entities to recognize changes in instrument-specific credit risk related to financial liabilities measured under the fair value option in OCI. The fair value measurement of loans was modified, with no significant impact, to incorporate illiquidity risk and other market factors in addition to credit risk in order to calculate the exit price fair value in accordance with ASC 820 as required by ASU 2016-01. The adoption of ASU 2016-01 did not have a significant impact on the consolidated financial statements and related disclosures and resulted in a reclassification that decreased AOCI and increased retained earnings by $2.6 million and had an immaterial effect on total stockholders' equity, equity securities and other assets.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2014-09, which was issued in May 2014. ASU 2014-09 is a comprehensive new revenue recognition standard that superseded nearly all previous revenue recognition guidance under GAAP and is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects consideration to which the entity expects to be entitled in exchange for those goods and services. The ASU requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The adoption included ASU 2014-09 and all related updated to clarify ASU 2014-09, including ASU 2016-08, Principal versus Agent Considerations (Reporting Revenue Gross versus Net), ASU 2016-10, Identifying Performance Obligations and Licensing, ASU 2016-12, Narrow-Scope Improvements and Practical Expedients, and ASU 2016-20, Technical Corrections and Improvements to Topic 606 - Revenue from Contract with Customers.

Management determined that the majority of revenue earned by the Company is from revenue streams not included in the scope of this standard such as interest earned from loans, investment securities and bank owned life insurance income. For applicable revenue streams such as ATM and debit card fees, insurance, other financial services revenue, service charges on deposit accounts, retirement plan administration fees and trust fees, management reviewed the applicable contracts provisions and applied the principles in the new standard for revenue recognition. The amendments of ASU 2014-09 were applied on a modified retrospective basis. There was no cumulative effect adjustment as of January 1, 2018. The adoption of ASU 2014-09 and all related ASU updates to ASC 606 did not have a significant impact on the consolidated financial statements and related disclosures as of and for three and six months ended June 30, 2018. Refer to footnote 10, Revenue from Contracts with Customers, for more information.

Accounting Standards Issued Not Yet Adopted

In February 2018, the FASB issued ASU 2018-03, Technical Correction and Improvement to Financial Instruments – Overall (Subtopic 825-10), to clarify certain aspects of the guidance issued in ASU 2016-01. The provisions of ASU 2018-03 are effective July 1, 2018 for interim financial statements but may be early adopted in any interim period starting January 1, 2018 as long as ASU 2016-01 is also adopted. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures and does not expect the impact to be material.

In March 2017, the FASB issued ASU 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20). ASU 2017-08 requires amortization of premiums to the earliest call date on debt securities with call features that are explicit, on contingent and callable at fixed prices on present dates. The ASU does not impact securities held at a discount; the discount continues to be amortized to the contractual maturity. The guidance is required to be applied with a modified retrospective approach through a cumulative effect adjustment to retained earnings as of the beginning of the period of adoption. ASU 2017-08 is effective for the Company on January 1, 2019. Early adoption is permitted. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures and does not expect the impact to be material.

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In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ("CECL"). ASU 2016-13 introduces new guidance that make substantive changes to the accounting for credit losses. ASU 2016-13 introduces the CECL model, which applies to financial assets subject to credit losses and measured at amortized cost, as well as certain off-balance sheet credit exposures. This includes loans, loan commitments, standby letters of credit, net investments in leases recognized by a lessor and HTM debt securities. The CECL model requires an entity to estimate credit losses expected over the life of an exposure, considering information about historical events, current conditions and reasonable and supportable forecasts and is generally expected to result in earlier recognition of credit losses. ASU 2016-13 also modifies certain provisions of the current OTTI model for AFS debt securities. Credit losses on AFS debt securities will be limited to the difference between the security's amortized cost basis and its fair value and will be recognized through an allowance for credit losses rather than as a direct reduction in amortized cost basis. ASU 2016-13 also provides for a simplified accounting model for purchased financial assets with more than insignificant credit deterioration since their origination. ASU 2016-13 requires expanded disclosures including, but not limited to, (i) information about the methods and assumptions used to estimate expected credit losses, including changes in the factors that influenced management's estimate and the reasons for those changes, (ii) for financing receivables and net investment in leases measured at amortized cost, further disaggregation of information about the credit quality of those assets and (iii) a rollforward of the allowance for credit losses for HTM and AFS securities. ASU 2016-13 is effective for the Company on January 1, 2020. Early adoption is permitted for all organizations for fiscal years and interim periods within those fiscal years, beginning after December 15, 2018; however, the Company does not intend to early adopt this ASU. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures, processes and controls and is not currently able to reasonably estimate the impact of adoption on the Company's consolidated financial statements; however, adoption is likely to lead to significant changes in accounting policies related to, and the methods employed in estimating the allowance for loan and lease losses. It is possible that the impact will be material to the Company's consolidated financial statements. To date, the Company has completed a gap analysis, adopted a detailed implementation plan, established a formal governance structure for the project, selected and is in the process of implementing a software solution to serve as its CECL platform.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). ASU 2016-02 requires lessees to recognize right of use assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize a right of use asset and lease liability. Additionally, when measuring assets and liabilities arising from a lease, optional payments should be included only if the lessee is reasonably certain to exercise an option to extend the lease, exercise a purchase option or not exercise an option to terminate the lease. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842): Land Easement Practical Expedient for Transition to Topic 842. ASU 2018-01 was issued to address concerns about the cost and complexity of complying with the transition provisions of ASU 2016-02. Both ASU 2016-02 and ASU 2018-01 are effective for the Company on January 1, 2019. Early adoption is permitted in any interim or annual period. Lessees and lessors are required to apply the provisions of ASU 2016-02 at the beginning of the earliest period presented using a modified retrospective approach. Management is in the process of finalizing its evaluation of the impact of adoption of this ASU on its consolidated financial statements and related disclosures, processes and controls. The Company has acquired and is in the process of implementing software to facilitate calculation and reporting of the lease liability and right-of-use asset. The most significant impact of adoption is expected to be the recognition, as lessee, of new right-of-use assets and lease liabilities on the consolidated balance sheet for real estate leases currently classified as operating leases. At its November 29, 2017 meeting, the FASB proposed allowing entities the option of applying the provisions of ASU 2016-02 at the effective date without adjusting the comparative periods presented. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases. ASU 2018-10 was issued to provide more detailed guidance and additional clarification for implementing ASU 2016-02. Also in July 2018, the FASB issued ASU 2018-11, Targeted Improvements, which allows for an optional transition method in which the provisions of ASC Topic 842 would be applied upon the adoption date and would not have to be retroactively applied to the earliest reporting period presented in the consolidated financial statements. The Company is monitoring these and other proposed modifications to the requirements of this ASU.

34

NBT BANCORP INC. AND SUBSIDIARIES

Item 2 - MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The purpose of this discussion and analysis is to provide a concise description of the financial condition and results of operations of NBT Bancorp Inc. ("NBT") and its wholly owned consolidated subsidiaries, including NBT Bank, National Association (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”) and NBT Holdings, Inc. (“NBT Holdings”) (collectively referred to herein as the “Company”). This discussion will focus on results of operations, financial condition, capital resources and asset/liability management. Reference should be made to the Company's consolidated financial statements and footnotes thereto included in this Form 10‑Q as well as to the Company's Annual Report on Form 10‑K for the year ended December 31, 2017 for an understanding of the following discussion and analysis. Operating results for the three and six month periods ending June 30, 2018 are not necessarily indicative of the results of the full year ending December 31, 2018 or any future period.

Forward-looking Statements

Certain statements in this filing and future filings by the Company with the SEC, in the Company’s press releases or other public or stockholder communications or in oral statements made with the approval of an authorized executive officer, contain forward-looking statements, as defined in the Private Securities Litigation Reform Act. These statements may be identified by the use of phrases such as “anticipate,” “believe,” “expect,” “forecasts,” “projects,” “will,” “can,” “would,” “should,” “could,” “may,” or other similar terms. There are a number of factors, many of which are beyond the Company’s control that could cause actual results to differ materially from those contemplated by the forward-looking statements. Factors that may cause actual results to differ materially from those contemplated by such forward-looking statements include, among others, the following possibilities: (1) local, regional, national and international economic conditions and the impact they may have on the Company and its customers and the Company’s assessment of that impact; (2) changes in the level of nonperforming assets and charge-offs; (3) changes in estimates of future reserve requirements based upon the periodic review thereof under relevant regulatory and accounting requirements; (4) the effects of and changes in trade and monetary and fiscal policies and laws, including the interest rate policies of the Federal Reserve Board ("FRB"); (5) inflation, interest rate, securities market and monetary fluctuations; (6) political instability; (7) acts of war or terrorism; (8) the timely development and acceptance of new products and services and perceived overall value of these products and services by users; (9) changes in consumer spending, borrowings and savings habits; (10) changes in the financial performance and/or condition of the Company’s borrowers; (11) technological changes; (12) acquisitions and integration of acquired businesses; (13) the ability to increase market share and control expenses; (14) changes in the competitive environment among financial holding companies; (15) the effect of changes in laws and regulations (including laws and regulations concerning taxes, banking, securities and insurance) with which the Company and its subsidiaries must comply, including those under the Dodd- Frank Act; (16) the effect of changes in accounting policies and practices, as may be adopted by the regulatory agencies, as well as the Public Company Accounting Oversight Board, the Financial Accounting Standards Board (“FASB”) and other accounting standard setters; (17) changes in the Company’s organization, compensation and benefit plans; (18) the costs and effects of legal and regulatory developments including the resolution of legal proceedings or regulatory or other governmental inquiries and the results of regulatory examinations or reviews; (19) greater than expected costs or difficulties related to the integration of new products and lines of business; and (20) the Company’s success at managing the risks involved in the foregoing items.

The Company cautions readers not to place undue reliance on any forward-looking statements, which speak only as of the date made, and advises readers that various factors, including, but not limited to, those described above and other factors discussed in the Company’s annual and quarterly reports previously filed with the Securities and Exchange Commission, could affect the Company’s financial performance and could cause the Company’s actual results or circumstances for future periods to differ materially from those anticipated or projected.

Unless required by law, the Company does not undertake, and specifically disclaims any obligations to, publicly release any revisions that may be made to any forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date of such statements.

Non-GAAP Measures

This Quarterly Report on Form 10-Q contains financial information determined by methods other than in accordance with accounting principles generally accepted in the United States of America (“GAAP”). These measures adjust GAAP measures to exclude the effects of acquisition-related intangible amortization expense on earnings and equity as well as providing a fully taxable equivalent ("FTE") yields on securities and loans. Where non-GAAP disclosures are used in this Form 10-Q, the comparable GAAP measure, as well as a reconciliation to the comparable GAAP measure, is provided in the accompanying tables. Management believes that these non-GAAP measures provide useful information that is important to an understanding of the results of the Company’s core business as well as provide information standard in the financial institution industry. Non-GAAP measures should not be considered substitutes for financial measures determined in accordance with GAAP and investors should consider the Company’s performance and financial condition as reported under GAAP and all other relevant information when assessing the performance or financial condition of the Company.

Critical Accounting Policies

The Company has identified policies as being critical because they require management to make particularly difficult, subjective and/or complex judgments about matters that are inherently uncertain and because of the likelihood that materially different amounts would be reported under different conditions or using different assumptions. These policies relate to the allowance for loan losses, pension accounting and provision for income taxes.

Management of the Company considers the accounting policy relating to the allowance for loan losses to be a critical accounting policy given the uncertainty in evaluating the level of the allowance required to cover credit losses inherent in the loan portfolio and the material effect that such judgments can have on the results of operations. While management’s current evaluation of the allowance for loan losses indicates that the allowance is appropriate, under adversely different conditions or assumptions, the allowance may need to be increased. For example, if historical loan loss experience significantly worsened or if current economic conditions significantly deteriorated, additional provision for loan losses would be required to increase the allowance. In addition, the assumptions and estimates used in the internal reviews of the Company’s nonperforming loans and potential problem loans have a significant impact on the overall analysis of the adequacy of the allowance for loan losses. While management has concluded that the current evaluation of collateral values is reasonable under the circumstances, if collateral values were significantly lower, the Company’s allowance for loan loss policy would also require additional provision for loan losses.

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Management is required to make various assumptions in valuing the Company’s pension assets and liabilities. These assumptions include the expected rate of return on plan assets, the discount rate and the rate of increase in future compensation levels. Changes to these assumptions could impact earnings in future periods. The Company takes into account the plan asset mix, funding obligations and expert opinions in determining the various rates used to estimate pension expense. The Company also considers the Citigroup Pension Liability Index, market interest rates and discounted cash flows in setting the appropriate discount rate. In addition, the Company reviews expected inflationary and merit increases to compensation in determining the rate of increase in future compensation levels.

The Company is subject to examinations from various taxing authorities. Such examinations may result in challenges to the tax return treatment applied by the Company to specific transactions. Management believes that the assumptions and judgments used to record tax-related assets or liabilities have been appropriate. Should tax laws change or the taxing authorities determine that management’s assumptions were inappropriate, an adjustment may be required which could have a material effect on the Company’s results of operations.

The Company’s policies on the allowance for loan losses, pension accounting and provision for income taxes are disclosed in Note 1 to the consolidated financial statements presented in our 2017 Annual Report on Form 10-K. All accounting policies are important and as such, the Company encourages the reader to review each of the policies included in Note 1 to the consolidated financial statements presented in our 2017 Annual Report on Form 10-K to obtain a better understanding of how the Company’s financial performance is reported.

Refer to Note 11 to the unaudited interim consolidated financial statements in this Quarterly Report on Form 10-Q for recently adopted accounting standards.

Overview

Significant factors management reviews to evaluate the Company’s operating results and financial condition include, but are not limited to: net income and earnings per share, return on average assets and equity, net interest margin, noninterest income, operating expenses, asset quality indicators, loan and deposit growth, capital management, liquidity and interest rate sensitivity, enhancements to customer products and services, technology advancements, market share and peer comparisons. The following information should be considered in connection with the Company's results for the three and six months ended June 30, 2018:

· Quarter-to-date earnings per share up 8.5% from prior quarter and up 30.6% from prior year

· Quarter-to-date net income up 8.2% from prior quarter and up 31.7% from prior year

· Year-to-date loan growth of 8.4% (annualized)

· Average demand deposits for the six months ended June 30, 2018 up 4.9% from the same period in 2017

· FTE net interest margin of 3.57% for the six months ended June 30, 2018

· Nonperforming assets to total assets decreased 4 basis points ("bps") from prior quarter to 0.32%

Results of Operations

Net income for the three months ended June 30, 2018 was $28.1 million, up from $26.0 million for the first quarter of 2018 and up from $21.4 million for the second quarter of 2017. Diluted earnings per share for the three months ended June 30, 2018 was $0.64, as compared with $0.59 for the prior quarter and $0.49 for the second quarter of 2017. Return on average assets (annualized) was 1.21% for the three months ended June 30, 2018 as compared to 1.15% for the prior quarter and 0.95% for the same period last year. Return on average equity (annualized) was 11.64% for the three months ended June 30, 2018 as compared to 10.99% for the prior quarter and 9.11% for the three months ended June 30, 2017. Return on average tangible common equity (annualized) was 17.08% for the three months ended June 30, 2018 as compared to 15.95% for the prior quarter and 13.46% for the three months ended June 30, 2017.

Net income for the six months ended June 30, 2018 was $54.1 million, up 29.9% from $41.6 million for the same period last year. Diluted earnings per share for the six months ended June 30, 2018 was $1.23, as compared with $0.95 for the same period in 2017, an increase of 29.5%. Return on average assets (annualized) was 1.18% for the six months ended June 30, 2018 as compared to 0.94% for the same period last year. Return on average equity (annualized) was 11.32% for the six months ended June 30, 2018 as compared to 9.02% for the six months ended June 30, 2017. Return on average tangible common equity (annualized) was 16.52% for the six months ended June 30, 2018 as compared to 13.36% for the six months ended June 30, 2017.

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Return on average tangible common equity is a non-GAAP measure and excludes amortization of intangible assets (net of tax) from net income and average tangible equity calculated as follows:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2018		2017		2018		2017
Net income	$	28,121	$	21,359	$	54,107	$	41,638
Amortization of intangible assets (net of tax)		822		642		1,508		1,239
Net income, excluding intangible amortization	$	28,943	$	22,001	$	55,615	$	42,877
Average stockholders' equity	$	969,029	$	940,897	$	964,064	$	930,529
Less: average goodwill and other intangibles		289,250		285,388		285,161		283,094
Average tangible common equity	$	679,779	$	655,509	$	678,903	$	647,435

Net Interest Income

Net interest income is the difference between interest income on earning assets, primarily loans and securities and interest expense on interest bearing liabilities, primarily deposits and borrowings. Net interest income is affected by the interest rate spread, the difference between the yield on earning assets and cost of interest bearing liabilities, as well as the volumes of such assets and liabilities. Net interest income is one of the key determining factors in a financial institution’s performance as it is the principal source of earnings.

Net interest income was $75.7 million for the second quarter of 2018, up $2.3 million or 3.1%, from the previous quarter. FTE net interest margin was 3.57% for the three months ended June 30, 2018, comparable to the previous quarter. The yield on average earning assets increased 7 bps from the prior quarter to 3.99%, primarily reflecting higher loan yields. The cost of interest bearing liabilities increased 10 bps to 0.61% for the quarter ended June 30, 2018, driven by increased short-term borrowings costs, with interest bearing deposit costs increasing 8 bps. Average interest earning assets were up $174.2 million, or 2.1%, as compared to the prior quarter, primarily driven by a $158.3 million increase in loans.

Net interest income was $75.7 million for the second quarter of 2018, up $6.1 million, or 8.8%, from the second quarter of 2017. FTE net interest margin of 3.57% was up 13 bps from the second quarter of 2017 as the improvement in asset yields was partially offset by the increase in cost of interest bearing liabilities. Average interest earning assets were up $345.4 million, or 4.2%, from the same period in 2017, primarily driven by a $456.7 million increase in loans that was partially offset by a $107.4 million decrease in securities.

Net interest income for the first six months of 2018 was $149.2 million, up $11.1 million, or 8.0%, from the same period in 2017. FTE net interest margin of 3.57% for the six months ended June 30, 2018, was up from 3.45% for the same period in 2017 primarily due to increasing asset yields and the Company’s deposit costs remaining relatively stable. Average interest earning assets were up $300.0 million, or 3.7% for the six months ended June 30, 2018, as compared to the same period in 2017, which was driven by a $419.2 million increase in loans that was partially offset by a $111.9 million decrease in securities. Interest income increased $14.2 million, or 9.4% due to the increase in earning assets combined with a 20 bp improvement in loan yields. Interest expense was up $4.1 million, or 33.4%, for the six months ended June 30, 2018 as compared to the same period in 2017 and resulted primarily from a 13 bp increase in rates driven by higher borrowing costs and a modest 7 bp increase in the cost of deposits. The Federal Reserve began raising their target fed funds rate in December 2015 and has increased the target fed funds rate by 1.75% through June 30, 2018. During this same cycle of increasing rates, the Company’s deposit rates have increased by 0.06%, resulting in a full cycle deposit beta of 3.4%, and is calculated as the change in the Company's quarterly deposit costs divided by the change in the Federal Reserve's target fed funds rate. The favorable deposit beta was influenced by a favorable loan to deposit ratio and deposit mix.

Average Balances and Net Interest Income

The following tables include the condensed consolidated average balance sheet, an analysis of interest income/expense and average yield/rate for each major category of earning assets and interest bearing liabilities on a taxable equivalent basis. Interest income for tax-exempt securities and loans has been adjusted to a taxable-equivalent basis using the statutory Federal income tax rate of 21% for 2018 and 35% for 2017.

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Three months ended	June 30, 2018							June 30, 2017
(Dollars in thousands)	Average Balance		Interest		Yield/ Rates			Average Balance		Interest		Yield/ Rates
Assets:
Short-term interest bearing accounts	$	3,574	$	46		5.16	%	$	9,497	$	43		1.82	%
Securities available for sale (1)(3)		1,266,304		7,046		2.23	%		1,363,314		7,322		2.15	%
Securities held to maturity (1)		503,501		3,135		2.50	%		513,888		3,374		2.63	%
FRB and FHLB stock		48,184		735		6.12	%		46,132		611		5.31	%
Loans (2)		6,750,710		74,283		4.41	%		6,294,056		65,498		4.17	%
Total interest earning assets	$	8,572,273	$	85,245		3.99	%	$	8,226,887	$	76,848		3.75	%
Other assets (3)	$	766,604						$	753,383
Total assets	$	9,338,877						$	8,980,270
Liabilities and Stockholders' Equity:
Money market deposit accounts	$	1,699,956	$	1,816		0.43	%	$	1,723,594	$	919		0.21	%
NOW deposit accounts		1,222,889		479		0.16	%		1,138,237		227		0.08	%
Savings deposits		1,289,062		183		0.06	%		1,232,301		172		0.06	%
Time deposits		858,080		2,601		1.22	%		824,398		2,218		1.08	%
Total interest bearing deposits	$	5,069,987	$	5,079		0.40	%	$	4,918,530	$	3,536		0.29	%
Short-term borrowings		706,694		2,455		1.39	%		643,971		1,366		0.85	%
Long-term debt		84,676		452		2.14	%		99,865		599		2.41	%
Junior subordinated debt		101,196		1,040		4.12	%		101,196		772		3.06	%
Total interest bearing liabilities	$	5,962,553	$	9,026		0.61	%	$	5,763,562	$	6,273		0.44	%
Demand deposits	$	2,294,023						$	2,181,952
Other liabilities		113,272							93,859
Stockholders' equity		969,029							940,897
Total liabilities and stockholders' equity	$	9,338,877						$	8,980,270
Net interest income (FTE)			$	76,219						$	70,575
Interest rate spread						3.38	%						3.31	%
Net interest margin (FTE)						3.57	%						3.44	%
Taxable equivalent adjustment			$	478						$	954
Net interest income			$	75,741						$	69,621

(1) Securities are shown at average amortized cost.

(2) For purposes of these computations, nonaccrual loans are included in the average loan balances outstanding.

(3) For purposes of the average balance sheet presentation, equity securities amounts reclassified for the current period from securities available for sale to other assets, related to the adoption of Accounting Standard Update 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities, in the first quarter of 2018.

Six months ended	June 30, 2018							June 30, 2017
(Dollars in thousands)	Average Balance		Interest		Yield/ Rates			Average Balance		Interest		Yield/ Rates
Assets:
Short-term interest bearing accounts	$	3,198	$	82		5.17	%	$	11,906	$	90		1.52	%
Securities available for sale (1)(3)		1,269,949		14,017		2.23	%		1,357,797		14,442		2.14	%
Securities held to maturity (1)		492,996		6,081		2.49	%		517,068		6,782		2.64	%
FRB and FHLB stock		47,518		1,465		6.22	%		46,228		1,183		5.16	%
Loans (2)		6,672,016		144,825		4.38	%		6,252,786		129,725		4.18	%
Total interest earning assets	$	8,485,677	$	166,470		3.96	%	$	8,185,785	$	152,222		3.75	%
Other assets (2)	$	756,444						$	750,943
Total assets	$	9,242,121						$	8,936,728
Liabilities and Stockholders' Equity:
Money market deposit accounts	$	1,677,755	$	2,933		0.35	%	$	1,705,925	$	1,814		0.21	%
NOW deposit accounts		1,216,992		882		0.15	%		1,140,720		410		0.07	%
Savings deposits		1,268,859		354		0.06	%		1,204,418		329		0.06	%
Time deposits		830,671		4,841		1.18	%		835,840		4,457		1.08	%
Total interest bearing deposits	$	4,994,277	$	9,010		0.36	%	$	4,886,903	$	7,010		0.29	%
Short-term borrowings		709,442		4,421		1.26	%		650,669		2,505		0.78	%
Long-term debt		86,749		928		2.16	%		101,945		1,205		2.38	%
Junior subordinated debt		101,196		1,941		3.87	%		101,196		1,498		2.99	%
Total interest bearing liabilities	$	5,891,664	$	16,300		0.56	%	$	5,740,713	$	12,218		0.43	%
Demand deposits	$	2,277,083						$	2,170,983
Other liabilities		109,310							94,503
Stockholders' equity		964,064							930,529
Total liabilities and stockholders' equity	$	9,242,121						$	8,936,728
Net interest income (FTE)			$	150,170						$	140,004
Interest rate spread						3.40	%						3.32	%
Net interest margin (FTE)						3.57	%						3.45	%
Taxable equivalent adjustment			$	943						$	1,892
Net interest income			$	149,227						$	138,112

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(1) Securities are shown at average amortized cost less OTTI write-downs.

(2) For purposes of these computations, nonaccrual loans are included in the average loan balances outstanding.

(3) For purposes of the average balance sheet presentation, equity securities amounts reclassified for the current period from securities available for sale to other assets, related to the adoption of Accounting Standard Update ("ASU") 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities ("ASU 2016-01"), in the first quarter of 2018.

The following table presents changes in interest income and interest expense attributable to changes in volume (change in average balance multiplied by prior year rate), changes in rate (change in rate multiplied by prior year volume) and the net change in net interest income. The net change attributable to the combined impact of volume and rate has been allocated to each in proportion to the absolute dollar amounts of change.

Three months ended June 30,	Increase (Decrease) 2018 over 2017
(In thousands)	Volume			Rate			Total
Short-term interest bearing accounts	$	(39	)	$	42		$	3
Securities available for sale (1)		(533	)		257			(276	)
Securities held to maturity		(67	)		(172	)		(239	)
FRB and FHLB stock		28			96			124
Loans		4,906			3,879			8,785
Total interest income (FTE)	$	4,295		$	4,102		$	8,397
Money market deposit accounts	$	(13	)	$	910		$	897
NOW deposit accounts		18			234			252
Savings deposits		8			3			11
Time deposits		93			290			383
Short-term borrowings		144			945			1,089
Long-term debt		(85	)		(62	)		(147	)
Junior subordinated debt		-			268			268
Total interest expense (FTE)	$	165		$	2,588		$	2,753
Change in net interest income (FTE)	$	4,130		$	1,514		$	5,644

Six months ended June 30,	Increase (Decrease) 2018 over 2017
(In thousands)	Volume			Rate			Total
Short-term interest bearing accounts	$	(103	)	$	95		$	(8	)
Securities available for sale (1)		(956	)		531			(425	)
Securities held to maturity		(307	)		(394	)		(701	)
FRB and FHLB stock		34			248			282
Loans		8,936			6,164			15,100
Total interest income (FTE)	$	7,604		$	6,644		$	14,248
Money market deposit accounts	$	(30	)	$	1,149		$	1,119
NOW deposit accounts		29			443			472
Savings deposits		18			7			25
Time deposits		(28	)		412			384
Short-term borrowings		244			1,672			1,916
Long-term debt		(169	)		(108	)		(277	)
Junior subordinated debt		-			443			443
Total interest expense (FTE)	$	64		$	4,018		$	4,082
Change in net interest income (FTE)	$	7,540		$	2,626		$	10,166

(1) Equity securities amounts reclassified out of securities available for sale, related to the adoption of ASU 2016-01, in the first quarter of 2018.

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Noninterest Income

Noninterest income is a significant source of revenue for the Company and an important factor in the Company’s results of operations. The following table sets forth information by category of noninterest income for the periods indicated:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2018		2017		2018		2017
Insurance and other financial services revenue	$	5,826	$	5,621	$	12,330	$	12,391
Service charges on deposit accounts		4,246		4,161		8,218		8,138
ATM and debit card fees		5,816		5,518		11,089		10,468
Retirement plan administration fees		7,296		5,437		12,635		9,609
Trust		5,265		5,161		10,143		9,693
Bank owned life insurance		1,217		1,218		2,564		2,629
Net securities gains		91		2		163		2
Other		4,401		3,186		8,293		6,124
Total noninterest income	$	34,158	$	30,304	$	65,435	$	59,054

Noninterest income for the three months ended June 30, 2018 was $34.2 million, up $2.9 million, or 9.2%, from the prior quarter and up $3.9 million, or 12.7%, from the second quarter of 2017. The increase from the prior quarter was driven by higher retirement plan administration fees, ATM and debit card fees and other noninterest income that were partially offset by lower insurance and other financial services revenue during the second quarter of 2018. Retirement plan administration fees increased in the second quarter of 2018 as compared to the first quarter of 2018 due to the acquisition of Retirement Plan Services, LLC (“RPS”) in the second quarter of 2018. ATM and debit card fees increased from prior quarter due to higher number of accounts and usage. Other noninterest income increased due to higher swap fee income. The increase from the second quarter of 2017 was driven by higher retirement plan administration fees resulting from the RPS acquisition and other noninterest income due primarily to higher swap fees.

Noninterest income for the six months ended June 30, 2018 was $65.4 million, up $6.4 million, or 10.8%, from the same period in 2017. The increase from the prior year was driven by higher retirement plan administration fees due to the acquisitions of RPS in the second quarter of 2018 and of Downeast Pension Services in the second quarter of 2017. Other noninterest income in the first half of 2018 increased compared to the same period of 2017 due primarily to higher swap fee income and non-recurring gains recognized in the first six months of 2018.

Noninterest Expense

Noninterest expenses are also an important factor in the Company’s results of operations. The following table sets forth the major components of noninterest expense for the periods indicated:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2018		2017		2018		2017
Salaries and employee benefits	$	37,726	$	33,503	$	74,293	$	67,736
Occupancy		5,535		5,184		11,654		11,354
Data processing and communications		4,508		4,229		8,787		8,427
Professional fees and outside services		3,336		3,609		6,828		6,641
Equipment		4,151		3,793		8,189		7,491
Office supplies and postage		1,504		1,640		3,077		3,248
FDIC expenses		1,092		1,136		2,293		2,314
Advertising		700		656		1,037		1,046
Amortization of intangible assets		1,096		1,039		2,010		2,006
Loan collection and other real estate owned		908		664		2,245		1,943
Other		4,332		4,868		8,747		9,397
Total noninterest expense	$	64,888	$	60,321	$	129,160	$	121,603

Noninterest expense for the three months ended June 30, 2018 was $64.9 million, up $0.6 million, or 1.0%, from the prior quarter and up $4.6 million, or 7.6%, from the second quarter of 2017. The increase from the prior quarter was driven by a $1.2 million increase in salaries and employee benefits primarily due to the acquisition of RPS that were partially offset by a decrease in seasonal occupancy expense. The increase from the second quarter of 2017 was driven by an increase in salaries and employee benefits expenses primarily due to the RPS acquisition, wage increases from tax reform initiatives and higher incentive compensation.

Noninterest expense for the six months ended June 30, 2018 was $129.2 million, up $7.6 million, or 6.2%, from the same period in 2017. The increase from the prior year was driven by higher salaries and employee benefits and equipment expense that were partially offset by lower other noninterest expenses in the first half of 2018 as compared to the same period of 2017 due primarily to lower retirement plan costs. The increase in salaries and employee benefits was primarily due to the RPS acquisition in second quarter of 2018, the acquisition of Downeast Pension Services in the second quarter of 2017, timing of incentive compensation and wage increases from tax reform initiatives.

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Income Taxes

Income tax expense for the three months ended June 30, 2018 was $8.1 million, up $1.1 million, or 15.7%, from the prior quarter and down $2.6 million, or 24.0%, from the second quarter of 2017. The effective tax rate of 22.4% for the second quarter of 2018 was up from 21.2% for the first quarter of 2018 and down from 33.3% for the second quarter of 2017. The increase in income tax expense from the prior quarter was due to a lower income tax benefit from equity-based transactions and higher level of taxable income. The decrease in income tax expense from the second quarter of 2017 was due to the lower effective tax rate from the Tax Cuts and Jobs Act partially offset by a higher level of taxable income. Excluding the tax benefit from equity-based transactions, the effective tax rate was 22.5% for both the second quarter of 2018 and the first quarter of 2018.

Income tax expense for the six months ended June 30, 2018 was $15.1 million, down $3.9 million, or 20.3%, from the same period of 2017. The effective tax rate of 21.8% for the first six months of 2018 was down from 31.3% for the same period in the prior year. The decrease in income tax expense from the prior year was due to the lower effective tax rate from the Tax Cuts and Jobs Act partially offset by a higher level of taxable income and lower tax benefit from equity-based transactions. Excluding the tax benefit from equity-based transactions, the effective tax rate was 22.5% and 33.9% for the six months ending June 30, 2018 and 2017, respectively.

ANALYSIS OF FINANCIAL CONDITION

Securities

Total securities increased $9.9 million, or 0.6%, from December 31, 2017 to June 30, 2018. The securities portfolio represents 18.6% of total assets as of June 30, 2018 as compared to 19.2% as of December 31, 2017.

The following table details the composition of securities available for sale, securities held to maturity and regulatory investments for the periods indicated:

	June 30, 2018			December 31, 2017
Mortgage-backed securities:
With maturities 15 years or less		28	%		28	%
With maturities greater than 15 years		5	%		5	%
Collateral mortgage obligations		44	%		42	%
Municipal securities		14	%		14	%
U.S. agency notes		8	%		10	%
Equity securities		1	%		1	%
Total		100	%		100	%

The Company’s mortgage backed securities, U.S. agency notes and collateralized mortgage obligations are all “prime/conforming” and are guaranteed by Fannie Mae, Freddie Mac, Federal Home Loan Bank, Federal Farm Credit Banks or Ginnie Mae (“GNMA”). GNMA securities are considered equivalent to U.S. Treasury securities, as they are backed by the full faith and credit of the U.S. government. Currently, there are no subprime mortgages in our investment portfolio. Refer to Note 3 to the Company's unaudited interim consolidated financial statements included in this Form 10-Q for information related to other-than-temporary impairment considerations.

Loans

A summary of loans, net of deferred fees and origination costs, by category for the periods indicated follows:

(In thousands)	June 30, 2018		December 31, 2017
Commercial	$	1,299,437	$	1,258,212
Commercial Real Estate		1,891,119		1,769,620
Residential Real Estate		1,350,761		1,321,044
Dealer Finance		1,252,843		1,227,870
Specialty Lending		507,618		439,326
Home Equity		488,493		498,179
Other Consumer		68,792		70,522
Total loans	$	6,859,063	$	6,584,773

Total loans increased by $274.3 million, or 4.2%, at June 30, 2018 from December 31, 2017. Loan growth in the first six months of 2018 resulted from growth in the consumer, commercial real estate and residential real estate portfolios. Total loans represent approximately 72.5% of assets as of June 30, 2018, as compared to 72.1% as of December 31, 2017.

Allowance for Loan Losses, Provision for Loan Losses and Nonperforming Assets

The allowance for loan losses is maintained at a level estimated by management to provide appropriately for risk of probable incurred losses inherent in the current loan portfolio. The adequacy of the allowance for loan losses is continuously monitored using a methodology designed to ensure that the level of the allowance reasonably reflects the loan portfolio’s risk profile. It is evaluated to ensure that it is sufficient to absorb all reasonably estimable incurred credit losses inherent in the current loan portfolio.

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Management considers the accounting policy relating to the allowance for loan losses to be a critical accounting policy given the degree of judgment exercised in evaluating the level of the allowance required to cover credit losses in the portfolio and the material effect that such judgments can have on the consolidated results of operations.

During the first quarter of 2018, the Company adjusted the class segments within the portfolios to better align risk characteristics and reflect the monitoring and assessment of risks as the portfolios continue to evolve. Agricultural Non-Real Estate and Agricultural Real Estate were consolidated with Commercial and Commercial Real Estate, respectively. Agricultural loans are a type of commercial loan with some specific underwriting guidelines; however, as of March 31, 2018, the portfolio had decreased to less than 3% of the Commercial portfolio and separation was no longer warranted. The Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments. The growth in our Specialty Lending portfolio to 21% of Consumer Loans as of March 31, 2018 warranted evaluation of this class separately due to different risk characteristics from the Dealer Finance class segment. The Direct and Home Equity class segments were consolidated into Direct to reflect common management, similar underwriting and in-market focus. The change to the class segments in the allowance methodology did not have a significant impact on the allowance for loan losses.

For purposes of evaluating the adequacy of the allowance, the Company considers a number of significant factors that affect the collectability of the portfolio. For individually analyzed loans, these factors include estimates of loss exposure, which reflect the facts and circumstances that affect the likelihood of repayment of such loans as of the evaluation date. For homogeneous pools of loans, estimates of the Company’s exposure to credit loss reflect a thorough current assessment of a number of factors, which affect collectability. These factors include: past loss experience; the size, trend, composition and nature of the loans; changes in lending policies and procedures, including underwriting standards and collection, charge-off and recovery practices; trends experienced in nonperforming and delinquent loans; current economic conditions in the Company’s market; portfolio concentrations that may affect loss experienced across one or more components of the portfolio; the effect of external factors such as competition, legal and regulatory requirements; and the experience, ability and depth of lending management and staff. In addition, various regulatory agencies, as an integral component of their examination process, periodically review the Company’s allowance for loan losses. Such agencies may require the Company to recognize additions to the allowance based on their judgment about information available to them at the time of their examination, which may not be currently available to management.

After a thorough consideration and validation of the factors discussed above, required additions or reductions to the allowance for loan losses are made periodically by charges or credits to the provision for loan losses. These are necessary to maintain the allowance at a level which management believes is reasonably reflective of the overall inherent risk of probable loss in the portfolio. While management uses available information to recognize losses on loans, additions or reductions to the allowance may fluctuate from one reporting period to another. These fluctuations are reflective of changes in risk associated with portfolio content and/or changes in management’s assessment of any or all of the determining factors discussed above. Management considers the allowance for loan losses to be appropriate based on evaluation and analysis of the loan portfolio.

The following table reflects changes to the allowance for loan losses for the periods presented. The allowance is increased by provisions for losses charged to operations and is reduced by net charge-offs. Charge-offs are made when the ability to collect loan principal within a reasonable time becomes unlikely. Any recoveries of previously charged-off loans are credited directly to the allowance for loan losses.

Allowance For Loan Losses	Three months ended
(Dollars in thousands)	June 30, 2018					June 30, 2017
Balance, beginning of period	$	70,200				$	65,700
Recoveries		2,029					1,415
Charge-offs		(8,557	)				(8,082	)
Net charge-offs	$	(6,528	)			$	(6,667	)
Provision for loan losses		8,778					7,567
Balance, end of period	$	72,450				$	66,600
Composition of Net Charge-offs
Commercial and agricultural	$	(724	)	11	%	$	(917	)	14	%
Residential real estate		(62	)	1	%		(688	)	10	%
Consumer		(5,742	)	88	%		(5,062	)	76	%
Net charge-offs	$	(6,528	)	100	%	$	(6,667	)	100	%
Annualized net charge-offs to average loans		0.39	%				0.42	%

Allowance For Loan Losses	Six months ended
(Dollars in thousands)	June 30, 2018					June 30, 2017
Balance, beginning of period	$	69,500				$	65,200
Recoveries		3,907					2,930
Charge-offs		(17,231	)				(16,476	)
Net charge-offs	$	(13,324	)			$	(13,546	)
Provision for loan losses		16,274					14,946
Balance, end of period	$	72,450				$	66,600
Composition of Net Charge-offs
Commercial and agricultural	$	(1,342	)	10	%	$	(1,764	)	13	%
Residential real estate		(197	)	1	%		(1,253	)	9	%
Consumer		(11,785	)	89	%		(10,529	)	78	%
Net charge-offs	$	(13,324	)	100	%	$	(13,546	)	100	%
Annualized net charge-offs to average loans		0.40	%				0.44	%

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Net charge-offs of $6.5 million for the three months ended June 30, 2018 were down as compared to $6.8 million for the prior quarter and $6.7 million for the second quarter of 2017. Due primarily to loan growth, provision expense was higher at $8.8 million for the three months ended June 30, 2018, as compared with $7.5 million for the prior quarter and $7.6 million for the second quarter of 2017. Annualized net charge-offs to average loans for the second quarter of 2018 was 0.39%, down from 0.42% for the prior quarter and for the second quarter of 2017.

Net charge-offs of $13.3 million for the six months ended June 30, 2018 were down as compared to $13.5 million for the same period of 2017. Provision expense was $16.3 million for the six months ended June 30, 2018, as compared with $14.9 million for the same period of 2017. Provision expense increased compared to the first six months of 2017 primarily due to loan growth. Annualized net charge-offs to average loans for the first six months of 2018 was 0.40% as compared with 0.44% for the first six months of 2017.

The allowance for loan losses totaled $72.5 million at June 30, 2018, compared to $70.2 million at March 31, 2018 and $66.6 million at June 30, 2017. The allowance for loan losses as a percentage of loans was 1.06% (1.11% excluding acquired loans) at June 30, 2018, compared to 1.06% (1.12% excluding acquired loans) at March 31, 2018 and to 1.05% (1.13% excluding acquired loans) at June 30, 2017.

Nonperforming assets consist of nonaccrual loans, loans 90 days or more past due and still accruing, restructured loans, other real estate owned ("OREO") and nonperforming securities. Loans are generally placed on nonaccrual when principal or interest payments become 90 days past due, unless the loan is well secured and in the process of collection. Loans may also be placed on nonaccrual when circumstances indicate that the borrower may be unable to meet the contractual principal or interest payments. The threshold for evaluating classified and nonperforming loans specifically evaluated for impairment is $750 thousand. OREO represents property acquired through foreclosure and is valued at the lower of the carrying amount or fair value, less any estimated disposal costs. Nonperforming securities, which include securities which management believes are other-than-temporarily impaired, are carried at their estimated fair value and are not accruing interest.

	June 30, 2018						December 31, 2017
(Dollars in thousands)	Amount			%			Amount			%
Nonaccrual loans
Commercial and agricultural loans and real estate	$	11,024			47	%	$	12,485			48	%
Residential real estate		5,865			24	%		5,919			23	%
Consumer		4,372			18	%		4,324			17	%
Troubled debt restructured loans		2,745			11	%		2,980			12	%
Total nonaccrual loans	$	24,006			100	%	$	25,708			100	%
Loans 90 days or more past due and still accruing
Residential real estate	$	36			2	%	$	1,402			26	%
Consumer		2,173			98	%		4,008			74	%
Total loans 90 days or more past due and still accruing	$	2,209			100	%	$	5,410			100	%
Total nonperforming loans	$	26,215					$	31,118
OREO		4,349						4,529
Total nonperforming assets	$	30,564					$	35,647
Total nonperforming loans to total loans		0.38	%					0.47	%
Total nonperforming assets to total assets		0.32	%					0.39	%
Allowance for loan losses to total nonperforming loans		276.37	%					223.34	%

Nonperforming loans to total loans was 0.38% at June 30, 2018, down 5 bps from 0.43% for the prior quarter and down 12 bps from 0.50% at June 30, 2017. Past due loans as a percentage of total loans were 0.50% at June 30, 2018, down from 0.53% at March 31, 2018 and 0.59% at June 30, 2017.

For acquired loans that are not deemed to be impaired at acquisition, credit discounts representing the principal losses expected over the life of the loan are a component of the initial fair value and amortized over the life of the asset.

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As a result of the application of this accounting methodology, certain credit-related ratios may not necessarily be directly comparable with periods prior to the acquisition, or comparable with other institutions. The credit metrics most impacted by our acquisitions were the allowance for loans losses to total loans and total allowance for loan losses to nonperforming loans. As of June 30, 2018, the allowance for loan losses to total originated loans and the total allowance for loan losses to originated nonperforming loans were 1.11% and 306.08%, respectively. As of December 31, 2017, the allowance for loan losses to total originated loans and the total allowance for loan losses to originated nonperforming loans were 1.12% and 243.85%, respectively.

In addition to nonperforming loans, the Company has also identified approximately $57.3 million in potential problem loans at June 30, 2018 as compared to $57.7 million at December 31, 2017. Potential problem loans are loans that are currently performing, with a possibility of loss if weaknesses are not corrected. Such loans may need to be disclosed as nonperforming at some time in the future. Potential problem loans are classified by the Company’s loan rating system as “substandard.” Management cannot predict the extent to which economic conditions may worsen or other factors, which may impact borrowers and the potential problem loans. Accordingly, there can be no assurance that other loans will not become 90 days or more past due, be placed on nonaccrual, become restructured or require increased allowance coverage and provision for loan losses. To mitigate this risk the Company maintains a diversified loan portfolio, has no significant concentration in any particular industry and originates loans primarily within its footprint.

Deposits

Total deposits were $7.3 billion at June 30, 2018, up $173.8 million, or 2.4%, from December 31, 2017. Total average deposits increased $213.5 million, or 3.0%, from the same period last year driven primarily by growth in interest bearing deposits of $107.4 million, or 2.2%, due to growth in NOW deposit accounts, savings and time accounts partially offset by a decrease in money market deposit accounts, combined with a $106.1 million, or 4.9%, increase in demand deposits.

Borrowed Funds

The Company's borrowed funds consist of short-term borrowings and long-term debt. Short-term borrowings totaled $854.0 million at June 30, 2018 compared to $719.1 million at December 31, 2017. The notional value of interest rate swaps hedging cash flows related to short-term borrowings totaled $225.0 million at June 30, 2018 and $250.0 million at December 31, 2017. Long-term debt was $73.8 million at June 30, 2018 compared to $88.9 million at December 31, 2017. Junior subordinated debt was $101.2 million at June 30, 2018 and December 31, 2017.

For more information about the Company’s borrowing capacity and liquidity position, see “Liquidity Risk” below.

Capital Resources

Stockholders' equity of $978.9 million represented 10.34% of total assets at June 30, 2018 compared with $958.2 million, or 10.49% as of December 31, 2017. The increase in stockholders' equity resulted primarily from net income of $54.1 million for the six months ending June 30, 2018, partially offset by dividends of $21.0 million during the period and a $14.5 million decrease in AOCI primarily due to the increase in unrealized gains on investment securities arising during the period.

The Company did not purchase shares of its common stock during the six months ended June 30, 2018. As of June 30, 2018, there were 1,000,000 shares available for repurchase under a plan authorized on October 23, 2017, which expires on December 31, 2019.

The Board of Directors considers the Company's earnings position and earnings potential when making dividend decisions. The Company's Board of Directors approved a 2018 third-quarter cash dividend of $0.25 per share at a meeting held on July 23, 2018. The dividend will be paid on September 14, 2018 to stockholders of record as of August 31, 2018. The Company does not have a target dividend payout ratio.

As the capital ratios in the following table indicate, the Company remained “well capitalized” at June 30, 2018 under applicable bank regulatory requirements. Capital measurements are well in excess of regulatory minimum guidelines and meet the requirements to be considered well capitalized for all periods presented. To be considered well capitalized, tier 1 leverage, common equity tier 1 capital, tier 1 capital and total risk-based capital ratios must be 5%, 6.5%, 8% and 10%, respectively.

Capital Measurements	June 30, 2018			December 31, 2017
Tier 1 leverage ratio		9.28	%		9.14	%
Common equity tier 1 capital ratio		10.04	%		10.06	%
Tier 1 capital ratio		11.35	%		11.42	%
Total risk-based capital ratio		12.34	%		12.42	%
Cash dividends as a percentage of net income		38.75	%		49.20	%
Per common share:
Book value	$	22.43		$	22.01
Tangible book value (1)	$	15.73		$	15.54

(1) Stockholders' equity less goodwill and intangible assets divided by common shares outstanding.

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Liquidity and Interest Rate Sensitivity Management

Market Risk

Interest rate risk is the most significant market risk affecting the Company. Other types of market risk, such as foreign currency exchange rate risk and commodity price risk, do not arise in the normal course of the Company’s business activities or are immaterial to the results of operations.

Interest rate risk is defined as an exposure to a movement in interest rates that could have an adverse effect on the Company’s net interest income. Net interest income is susceptible to interest rate risk to the degree that interest bearing liabilities mature or reprice on a different basis than earning assets. When interest bearing liabilities mature or reprice more quickly than earning assets in a given period, a significant increase in market rates of interest could adversely affect net interest income. Similarly, when earning assets mature or reprice more quickly than interest bearing liabilities, falling interest rates could result in a decrease in net interest income.

In an attempt to manage the Company's exposure to changes in interest rates, management monitors the Company’s interest rate risk. Management’s Asset Liability Committee (“ALCO”) meets monthly to review the Company’s interest rate risk position and profitability and to recommend strategies for consideration by the Board of Directors. Management also reviews loan and deposit pricing and the Company’s securities portfolio, formulates investment and funding strategies and oversees the timing and implementation of transactions to assure attainment of the Board’s objectives in the most effective manner. Notwithstanding the Company’s interest rate risk management activities, the potential effect of changing interest rates is an uncertainty that can have an adverse effect on net income.

In adjusting the Company’s asset/liability position, the Board and management attempt to manage the Company’s interest rate risk while minimizing net interest margin compression. At times, depending on the level of general interest rates, the relationship between long and short-term interest rates, market conditions and competitive factors, the Board and management may determine to increase the Company’s interest rate risk position somewhat in order to increase its net interest margin. The Company’s results of operations and net portfolio values remain vulnerable to changes in interest rates and fluctuations in the difference between long and short-term interest rates.

The primary tool utilized by ALCO to manage interest rate risk is earnings at risk modeling (interest rate sensitivity analysis). Information, such as principal balance, interest rate, maturity date, cash flows, next repricing date (if needed) and current rates is uploaded into the model to create an ending balance sheet. In addition, ALCO makes certain assumptions regarding prepayment speeds for loans and mortgage related investment securities along with any optionality within the deposits and borrowings. The model is first run under an assumption of a flat rate scenario (i.e. no change in current interest rates) with a static balance sheet. Two additional models are run in which a gradual increase of 200 bps and a gradual decrease of 100 bps takes place over a 12 month period with a static balance sheet. Under these scenarios, assets subject to prepayments are adjusted to account for faster or slower prepayment assumptions. Any investment securities or borrowings that have callable options embedded into them are handled accordingly based on the interest rate scenario. The resulting changes in net interest income are then measured against the flat rate scenario.

In the declining rate scenario, net interest income is projected to decrease when compared to the forecasted net interest income in the flat rate scenario through the simulation period. The decrease in net interest income is a result of earning assets (particularly prime and LIBOR-based loans) repricing downward faster than interest bearing liabilities that remain at or near their floors. In the rising rate scenarios, net interest income is projected to experience a slight decline from the flat rate scenario; however the potential impact on earnings is dependent on the ability to lag deposit repricing on NOW, savings, MMDA and CD accounts. Net interest income for the next 12 months in the +200 /-100 bp scenarios, as described above, is within the internal policy risk limits of not more than a 7.5% change in net interest income. The following table summarizes the percentage change in net interest income in the rising and declining rate scenarios over a 12-month period from the forecasted net interest income in the flat rate scenario using the June 30, 2018 balance sheet position:

Interest Rate Sensitivity Analysis
Change in interest rates (in bps points)	Percent change in net interest income
+200	(1.98%)
-100	(2.98%)

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Liquidity Risk

Liquidity involves the ability to meet the cash flow requirements of customers who may be depositors wanting to withdraw funds or borrowers needing assurance that sufficient funds will be available to meet their credit needs. ALCO is responsible for liquidity management and has developed guidelines, which cover all assets and liabilities, as well as off-balance sheet items that are potential sources or uses of liquidity. Liquidity policies must also provide the flexibility to implement appropriate strategies. Requirements change as loans grow, deposits and securities mature and payments on borrowings are made. Liquidity management includes a focus on interest rate sensitivity management with a goal of avoiding widely fluctuating net interest margins through periods of changing economic conditions.

The primary liquidity measurement the Company utilizes is called the "Basic Surplus," which captures the adequacy of its access to reliable sources of cash relative to the stability of its funding mix of average liabilities. This approach recognizes the importance of balancing levels of cash flow liquidity from short and long-term securities with the availability of dependable borrowing sources, which can be accessed when necessary. At June 30, 2018, the Company’s Basic Surplus measurement was 10.0% of total assets or approximately $0.9 billion as compared to the December 31, 2017 Basic Surplus of 12.0% or $1.1 billion and was above the Company’s minimum of 5% (calculated at $473.4 million and $456.8 million, or period end total assets as June 30, 2018 and December 31, 2017, respectively) set forth in its liquidity policies.

At June 30, 2018 and December 31, 2017, Federal Home Loan Bank ("FHLB") advances outstanding totaled approximately $787.9 million and $633.9 million, respectively. The Bank is a member of the FHLB system and had additional borrowing capacity from the FHLB of approximately $0.8 billion at June 30, 2018 and $0.9 billion at December 31, 2017. In addition, unpledged securities could have been used to increase borrowing capacity at the FHLB by an additional $488.6 million and $541.2 million at June 30, 2018 and December 31, 2017, respectively, or used to collateralize other borrowings, such as repurchase agreements. The Company also has the ability to purchase brokered time deposits and borrow against established borrowing facilities with other banks (Federal funds), which could provide additional liquidity of $1.4 billion at June 30, 2018 and $1.3 billion at December 31, 2017. In addition, the Bank has a "Borrower-in-Custody" program with the FRB with the addition of the ability to pledge automobile loans. At June 30, 2018 and December 31, 2017, the Bank had the capacity to borrow $869.9 million and $868.0 million, respectively, from this program. The Company's internal policies authorize borrowing up to 25% of assets. Under this policy, remaining available borrowing capacity totaled $1.5 billion at June 30, 2018 and $1.6 billion at December 31, 2017.

This Basic Surplus approach enables the Company to manage liquidity appropriately from both operational and contingency perspectives. By tempering the need for cash flow liquidity with reliable borrowing facilities, the Company is able to operate with a more fully invested and, therefore, higher interest income generating securities portfolio. The makeup and term structure of the securities portfolio is, in part, impacted by the overall interest rate sensitivity of the balance sheet. Investment decisions and deposit pricing strategies are impacted by the liquidity position. The Company considered its Basic Surplus position to be strong. However, certain events may adversely impact the Company's position in 2018. Increasing market interest rates may increase competitive pressure on deposit pricing, which, in turn, could result in a decrease in the Company's deposit base or increase funding costs. Additionally, liquidity will come under additional pressure if loan growth exceeds deposit growth in 2018. These scenarios could lead to a decrease in the Company's Basic Surplus measure below the minimum policy level of 5%.

The Company’s primary source of funds is the Bank. Certain restrictions exist regarding the ability of the subsidiary bank to transfer funds to the Company in the form of cash dividends. The approval of the Office of Comptroller of the Currency ("OCC") is required to pay dividends when a bank fails to meet certain minimum regulatory capital standards or when such dividends are in excess of a subsidiary bank’s earnings retained in the current year plus retained net profits for the preceding two years as specified in applicable OCC regulations. At June 30, 2018, approximately $137.2 million of the total stockholders’ equity of the Bank was available for payment of dividends to the Company without approval by the OCC. The Bank’s ability to pay dividends is also subject to the Bank being in compliance with regulatory capital requirements. The Bank is currently in compliance with these requirements. Under the State of Delaware General Corporation Law, the Company may declare and pay dividends either out of accumulated net retained earnings or capital surplus.

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Item 3 - QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Information called for by Item 3 is contained in the Liquidity and Interest Rate Sensitivity Management section of the Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Item 4 - CONTROLS AND PROCEDURES

The Company's management, with the participation of the Company's Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of the Company's disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended). Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that, as of June 30, 2018, the Company's disclosure controls and procedures were effective.

There were no changes made in the Company's internal control over financial reporting that occurred during the Company's most recent fiscal quarter that have materially affected or are reasonably likely to materially affect, the Company's internal control over financial reporting.

47

PART II. OTHER INFORMATION

Item 1 – LEGAL PROCEEDINGS

There are no material legal proceedings, other than ordinary routine litigation incidental to the business, to which the Company or any of its subsidiaries is a party or of which any of their property is subject, except as described in the Company’s 2017 Annual Report on Form 10-K.

Item 1A – RISK FACTORS

There are no material changes to the risk factors as previously discussed in Part I, Item 1A of our 2017 Annual Report on Form 10-K.

Item 2 – UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(a) Not applicable

(b) Not applicable

(c) None

Item 3 – DEFAULTS UPON SENIOR SECURITIES

None

Item 4 – MINE SAFETY DISCLOSURES

None

Item 5 – OTHER INFORMATION

None

48

Item 6 – EXHIBITS

3.1	Restated Certificate of Incorporation of NBT Bancorp Inc. as amended through July 1, 2015 (filed as Exhibit 3.1 to Registrant's Form 10-Q, filed on August 10, 2015 and incorporated herein by reference)
3.2	Amended and Restated Bylaws of NBT Bancorp Inc. effective May 22, 2018 (filed as Exhibit 3.1 to Registrant’s Form 8-K, filed on May 23, 2018 and incorporated herein by reference).
3.3	Certificate of Designation of the Series A Junior Participating Preferred Stock (filed as Exhibit A to Exhibit 4.1 of the Registrant’s Form 8-K, filed on November 18, 2004 and incorporated herein by reference).
31.1	Certification by the Chief Executive Officer pursuant to Rules 13(a)-14(a)/15(d)-14(e) of the Securities and Exchange Act of 1934.
31.2	Certification by the Chief Financial Officer pursuant to Rules 13(a)-14(a)/15(d)-14(e) of the Securities and Exchange Act of 1934.
32.1	Certification by the Chief Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification of the Chief Financial Officer pursuant to 18 U.S.C. 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.

49

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, this 9th day of August 2018.

	NBT BANCORP INC.
By:	/s/ Michael J. Chewens
	Michael J. Chewens, CPA
	Senior Executive Vice President
	Chief Financial Officer

50

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

 I, John H. Watt, Jr., certify that:

1.  I have reviewed this quarterly report on Form 10-Q of NBT Bancorp Inc.

2.  Based  on  my  knowledge,  this report does not contain any untrue statement  of a material fact or omit to state a material fact necessary to make the  statements  made, in light of the circumstances under which such statements were  made,  not misleading with respect to the period covered by this report;

3.  Based  on  my  knowledge,  the  financial  statements,  and  other financial information  included  in  this report, fairly present in all material respects  the  financial  condition, results of operations and cash flows of the registrant  as  of,  and  for,  the  periods presented in this report;

4.  The  registrant's  other  certifying  officer(s)  and  I  are  responsible  for establishing  and  maintaining disclosure controls and procedures (as defined in Exchange  Act  Rules  13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)  Designed  such disclosure controls and procedures, or caused such disclosure controls  and  procedures  to  be designed under our supervision, to ensure that material  information  relating  to  the  registrant, including its consolidated subsidiaries,  is made known to us by others within those entities, particularly during  the  period  in  which  this   report  is  being  prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)  Evaluated  the  effectiveness  of  the  registrant's disclosure controls and procedures  and  presented  in  this  report our conclusions about the effectiveness  of  the  disclosure  controls and procedures as of the end of the period  covered  by  this  report  based  on  such  evaluation;  and

d)  Disclosed  in  this  report  any change in the registrant's internal control over  financial  reporting  that  occurred  during  the registrant's most recent fiscal  quarter (the registrant's fourth fiscal quarter in the case of an annual report)  that  has  materially  affected,  or is reasonably likely to materially affect,  the  registrant's  internal  control  over  financial  reporting; and

5.  The  registrant's  other  certifying officer(s) and I have disclosed, based on our  most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a)  All  significant  deficiencies  and  material  weaknesses  in  the design or operation  of internal control over financial reporting which are reasonably likely to adversely affect the  registrant's  ability  to  record,  process, summarize and report financial information;  and

b)  Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  August 9, 2018

By:	/s/ John H. Watt, Jr.
	John H. Watt Jr.
	Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

 I, Michael J. Chewens, certify that:

1.  I have reviewed this quarterly report on Form 10-Q of NBT Bancorp Inc.

2.  Based  on  my  knowledge,  this report does not contain any untrue statement  of a material fact or omit to state a material fact necessary to make the  statements  made, in light of the circumstances under which such statements were  made,  not misleading with respect to the period covered by this report;

3.  Based  on  my  knowledge,  the  financial  statements,  and  other financial information  included  in  this report, fairly present in all material respects  the  financial  condition, results of operations and cash flows of the registrant  as  of,  and  for,  the  periods presented in this report;

4.  The  registrant's  other  certifying  officer(s)  and  I  are  responsible  for establishing  and  maintaining disclosure controls and procedures (as defined in Exchange  Act  Rules  13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)  Designed  such disclosure controls and procedures, or caused such disclosure controls  and  procedures  to  be designed under our supervision, to ensure that material  information  relating  to  the  registrant, including its consolidated subsidiaries,  is made known to us by others within those entities, particularly during  the  period  in  which  this   report  is  being  prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)  Evaluated  the  effectiveness  of  the  registrant's disclosure controls and procedures  and  presented  in  this  report our conclusions about the effectiveness  of  the  disclosure  controls and procedures as of the end of the period  covered  by  this  report  based  on  such  evaluation;  and

d)  Disclosed  in  this  report  any change in the registrant's internal control over  financial  reporting  that  occurred  during  the registrant's most recent fiscal  quarter (the registrant's fourth fiscal quarter in the case of an annual report)  that  has  materially  affected,  or is reasonably likely to materially affect,  the  registrant's  internal  control  over  financial  reporting; and

5.  The  registrant's  other  certifying officer(s) and I have disclosed, based on our  most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a)  All  significant  deficiencies  and  material  weaknesses  in  the design or operation  of internal control over financial reporting which are reasonably likely to adversely affect the  registrant's  ability  to  record,  process, summarize and report financial information;  and

b)  Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:   August 9, 2018

By:	/s/ Michael J. Chewens
	Michael J. Chewens
	Senior Executive Vice President and
	Chief Financial Officer

EX-32.1

EXHIBIT 32.1

 Written Statement of the Chief Executive Officer Pursuant to Section 906 of the SARBANES-OXLEY ACT OF 2002

The undersigned, the Chief Executive Officer of NBT Bancorp Inc. (the "Company"), hereby certifies that to his knowledge on the date hereof:

(a)  the Form 10-Q of the Company for the Quarterly Period Ended June 30, 2018, filed on the date hereof with the Securities and Exchange Commission (the "Report"), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b)  the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ John H. Watt, Jr.

John H. Watt, Jr.

Chief Executive Officer

August 9, 2018

A  signed  original  of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears  in  typed  form within the electronic version of this written statement required  by  Section  906,  has  been  provided to NBT Bancorp Inc. and will be retained  by  NBT  Bancorp  Inc. and furnished  to the Securities and Exchange Commission  or  its  staff  upon  request.

EX-32.2

EXHIBIT 32.2

 Written Statement of the Chief Financial Officer Pursuant to Section 906 of the SARBANES-OXLEY ACT OF 2002

The undersigned, the Chief Financial Officer of NBT Bancorp Inc. (the "Company"), hereby certifies that to his knowledge on the date hereof:

(a)  the  Form 10-Q of the Company for the Quarterly Period Ended June 30, 2018,  filed  on  the  date  hereof  with  the Securities and Exchange Commission  (the  "Report"),  fully  complies  with the requirements of Section  13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b)  the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Michael J. Chewens

Michael J. Chewens

Senior Executive Vice President and

Chief Financial Officer

August 9, 2018

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to NBT Bancorp Inc. and will be retained by NBT Bancorp Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Jul. 31, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	NBT BANCORP INC
Entity Central Index Key	0000790359
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		43,653,799
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018

XML

Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 149,723	$ 156,852
Short-term interest bearing accounts	2,760	2,812
Equity securities, at fair value	24,293	0
Securities available for sale, at fair value	1,192,939	1,255,925
Securities held to maturity (fair value $532,979 and $481,871, respectively)	544,163	484,073
Trading securities	0	11,467
Federal Reserve and Federal Home Loan Bank stock	54,223	46,706
Loans	6,859,063	6,584,773
Less allowance for loan losses	72,450	69,500
Net loans	6,786,613	6,515,273
Premises and equipment, net	78,578	81,305
Goodwill	274,769	268,043
Intangible assets, net	17,630	13,420
Bank owned life insurance	174,952	172,388
Other assets	166,495	128,548
Total assets	9,467,138	9,136,812
Liabilities
Demand (noninterest bearing)	2,343,948	2,286,892
Savings, NOW and money market	4,136,449	4,076,978
Time	864,052	806,766
Total deposits	7,344,449	7,170,636
Short-term borrowings	853,997	719,123
Long-term debt	73,778	88,869
Junior subordinated debt	101,196	101,196
Other liabilities	114,789	98,811
Total liabilities	8,488,209	8,178,635
Stockholders' equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at June 30, 2018 and December 31, 2017	0	0
Common stock, $0.01 par value. Authorized 100,000,000 shares at June 30, 2018 and December 31, 2017; issued 49,651,493 at June 30, 2018 and December 31, 2017	497	497
Additional paid-in-capital	574,741	574,209
Retained earnings	585,044	543,713
Accumulated other comprehensive loss	(44,756)	(22,077)
Common stock in treasury, at cost, 6,004,294 and 6,108,684 shares at June 30, 2018 and December 31, 2017, respectively	(136,597)	(138,165)
Total stockholders' equity	978,929	958,177
Total liabilities and stockholders' equity	$ 9,467,138	$ 9,136,812

XML

Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Securities held to maturity fair value	$ 532,979	$ 481,871
Stockholders' equity
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	2,500,000	2,500,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	49,651,493	49,651,493
Common stock in treasury, at cost (in shares)	6,004,294	6,108,684

XML

Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest, fee and dividend income
Interest and fees on loans	$ 74,172	$ 65,286	$ 144,615	$ 129,313
Securities available for sale	7,003	7,218	13,929	14,227
Securities held to maturity	2,811	2,736	5,436	5,517
Other	781	654	1,547	1,273
Total interest, fee and dividend income	84,767	75,894	165,527	150,330
Interest expense
Deposits	5,079	3,536	9,010	7,010
Short-term borrowings	2,455	1,366	4,421	2,505
Long-term debt	452	599	928	1,205
Junior subordinated debt	1,040	772	1,941	1,498
Total interest expense	9,026	6,273	16,300	12,218
Net interest income	75,741	69,621	149,227	138,112
Provision for loan losses	8,778	7,567	16,274	14,946
Net interest income after provision for loan losses	66,963	62,054	132,953	123,166
Noninterest income
Insurance and other financial services revenue	5,826	5,621	12,330	12,391
Service charges on deposit accounts	4,246	4,161	8,218	8,138
ATM and debit card fees	5,816	5,518	11,089	10,468
Retirement plan administration fees	7,296	5,437	12,635	9,609
Trust	5,265	5,161	10,143	9,693
Bank owned life insurance	1,217	1,218	2,564	2,629
Net securities gains	91	2	163	2
Other	4,401	3,186	8,293	6,124
Total noninterest income	34,158	30,304	65,435	59,054
Noninterest expense
Salaries and employee benefits	37,726	33,503	74,293	67,736
Occupancy	5,535	5,184	11,654	11,354
Data processing and communications	4,508	4,229	8,787	8,427
Professional fees and outside services	3,336	3,609	6,828	6,641
Equipment	4,151	3,793	8,189	7,491
Office supplies and postage	1,504	1,640	3,077	3,248
FDIC expenses	1,092	1,136	2,293	2,314
Advertising	700	656	1,037	1,046
Amortization of intangible assets	1,096	1,039	2,010	2,006
Loan collection and other real estate owned, net	908	664	2,245	1,943
Other	4,332	4,868	8,747	9,397
Total noninterest expense	64,888	60,321	129,160	121,603
Income before income tax expense	36,233	32,037	69,228	60,617
Income tax expense	8,112	10,678	15,121	18,979
Net income	$ 28,121	$ 21,359	$ 54,107	$ 41,638
Earnings per share
Basic (in dollars per share)	$ 0.64	$ 0.49	$ 1.24	$ 0.96
Diluted (in dollars per share)	$ 0.64	$ 0.49	$ 1.23	$ 0.95

XML

Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Consolidated Statements of Comprehensive Income (unaudited) [Abstract]
Net income	$ 28,121	$ 21,359	$ 54,107	$ 41,638
Securities available for sale:
Unrealized net holding (losses) gains arising during the period, gross	(5,353)	2,528	(20,807)	3,364
Tax effect	1,338	(966)	5,202	(1,305)
Unrealized net holding (losses) gains arising during the period, net	(4,015)	1,562	(15,605)	2,059
Reclassification adjustment for net (gains) in net income, gross	0	(2)	0	(2)
Tax effect	0	1	0	1
Reclassification adjustment for net (gains) in net income, net	0	(1)	0	(1)
Amortization of unrealized net gains for the reclassification of available for sale securities to held to maturity, gross	177	225	365	463
Tax effect	(44)	(86)	(91)	(177)
Amortization of unrealized net gains for the reclassification of available for sale securities to held to maturity, net	133	139	274	286
Reclassification adjustment for an impairment write-down of equity security, gross	0	0	0	1,312
Tax effect	0	0	0	(501)
Reclassification adjustment for an impairment write-down of equity security, net	0	0	0	811
Total securities available for sale, net	(3,882)	1,700	(15,331)	3,155
Cash flow hedges:
Unrealized gains (losses) on derivatives (cash flow hedges), gross	424	(411)	1,472	(162)
Tax effect	(106)	157	(368)	62
Unrealized gains (losses) on derivatives (cash flow hedges), net	318	(254)	1,104	(100)
Reclassification of net unrealized (gains) losses on cash flow hedges to interest (income) expense, gross	(540)	(23)	(899)	59
Tax effect	135	9	225	(23)
Reclassification of net unrealized (gains) losses on cash flow hedges to interest (income) expense, net	(405)	(14)	(674)	36
Total cash flow hedges, net	(87)	(268)	430	(64)
Pension and other benefits:
Amortization of prior service cost and actuarial gains, gross	295	435	590	870
Tax effect	(74)	(166)	(148)	(332)
Amortization of prior service cost and actuarial gains, net	221	269	442	538
Total pension and other benefits, net	221	269	442	538
Total other comprehensive (loss) income	(3,748)	1,701	(14,459)	3,629
Comprehensive income	$ 24,373	$ 23,060	$ 39,648	$ 45,267

XML

Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in-Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Common Stock in Treasury [Member]	Total
Balance at Dec. 31, 2016	$ 497	$ 575,078	$ 501,761	$ (21,520)	$ (142,500)	$ 913,316
Net income	0	0	41,638	0	0	41,638
Cash dividends	0	0	(20,044)	0	0	(20,044)
Net issuance of shares to employee benefit plans and other stock plans	0	(4,702)	0	0	3,886	(816)
Stock-based compensation	0	2,733	(95)	0	0	2,638
Other comprehensive (loss) income	0	0	0	3,629	0	3,629
Balance at Jun. 30, 2017	497	573,109	523,260	(17,891)	(138,614)	940,361
ASU implementation | ASU 2016-01 [Member]	0	0	2,618	(2,645)	0	(27)
ASU implementation | ASU 2018-02 [Member]	0	0	5,575	(5,575)	0	0
Balance at Dec. 31, 2017	497	574,209	543,713	(22,077)	(138,165)	958,177
Net income	0	0	54,107	0	0	54,107
Cash dividends	0	0	(20,969)	0	0	(20,969)
Net issuance of shares to employee benefit plans and other stock plans	0	(2,422)	0	0	1,568	(854)
Stock-based compensation	0	2,954	0	0	0	2,954
Other comprehensive (loss) income	0	0	0	(14,459)	0	(14,459)
Balance at Jun. 30, 2018	$ 497	$ 574,741	$ 585,044	$ (44,756)	$ (136,597)	$ 978,929

XML

Consolidated Statements of Stockholders' Equity (unaudited) (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Consolidated Statements of Stockholders' Equity (unaudited) [Abstract]
Cash dividends - per share (in dollars per share)	$ 0.48	$ 0.46
Net issuance of shares to employee benefit plans and other stock plans (in shares)	104,390	252,312

XML

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities
Net income	$ 54,107	$ 41,638
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses	16,274	14,946
Depreciation and amortization of premises and equipment	4,644	4,488
Net amortization on securities	2,133	2,430
Amortization of intangible assets	2,010	2,006
Excess tax (benefit) on stock-based compensation	(447)	(1,526)
Stock-based compensation expense	2,954	2,638
Bank owned life insurance income	(2,564)	(2,629)
Trading security purchases	0	(1,293)
Net unrealized losses on trading securities	0	145
Proceeds from sales of loans held for sale	49,572	60,650
Originations and purchases of loans held for sale	(49,243)	(62,163)
Net gains on sales of loans held for sale	(87)	(223)
Net security (gains)	(163)	(2)
Net (gain) on sales and write-down of other real estate owned	(190)	(704)
Impairment write-down of equity security	0	1,312
Net (increase) in other assets	(32,687)	(209)
Net increase in other liabilities	10,862	4,405
Net cash provided by operating activities	57,175	65,909
Investing activities
Net cash used in acquisitions	(7,884)	(4,000)
Securities available for sale:
Proceeds from maturities, calls and principal paydowns	124,873	136,898
Purchases	(98,502)	(162,723)
Securities held to maturity:
Proceeds from maturities, calls and principal paydowns	45,332	52,883
Proceeds from sales	0	764
Purchases	(105,531)	(41,334)
Equity securities:
Proceeds from sales	2,623	0
Other:
Net increase in loans	(288,768)	(186,546)
Proceeds from Federal Home Loan Bank stock redemption	123,642	112,841
Purchases of Federal Reserve and Federal Home Loan Bank stock	(131,159)	(118,848)
Purchases of premises and equipment, net	(2,037)	(2,604)
Proceeds from the sales of other real estate owned	1,282	6,420
Net cash (used in) investing activities	(336,129)	(206,249)
Financing activities
Net increase in deposits	173,813	41,596
Net increase in short-term borrowings	134,874	149,482
Proceeds from issuance of long-term debt	25,000	0
Repayments of long-term debt	(40,091)	(15,129)
Proceeds from the issuance of shares to employee and other stock plans	881	2,007
Cash paid by employer for tax-withholdings on stock issuance	(1,735)	(2,823)
Cash dividends	(20,969)	(20,044)
Net cash provided by financing activities	271,773	155,089
Net (decrease) increase in cash and cash equivalents	(7,181)	14,749
Cash and cash equivalents at beginning of period	159,664	149,181
Cash and cash equivalents at end of period	152,483	163,930
Cash paid during the period for:
Interest expense	15,672	12,404
Income taxes paid, net of refund	22,890	12,886
Noncash investing activities:
Loans transferred to other real estate owned	912	4,882
Acquisitions:
Fair value of assets acquired	$ 6,274	$ 3,096

XML

Description of Business

6 Months Ended

Jun. 30, 2018

Description of Business [Abstract]

Description of Business

1. Description of Business

NBT Bancorp Inc. (the “Registrant” or the “Company”) is a registered financial holding company incorporated in the state of Delaware in 1986, with its principal headquarters located in Norwich, New York. The principal assets of the Registrant consist of all of the outstanding shares of common stock of its subsidiaries, including: NBT Bank, National Association (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), Hathaway Agency, Inc. and CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (collectively, the “Trusts”). The Company’s principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial and NBT Holdings.

The Company’s business, primarily conducted through the Bank but also through its other subsidiaries, consists of providing commercial banking, retail banking and wealth management services primarily to customers in its market area, which includes central and upstate New York, northeastern Pennsylvania, southern New Hampshire, western Massachusetts, Vermont and the southern coastal area of Maine. The Company has been, and intends to continue to be, a community-oriented financial institution offering a variety of financial services. The Company’s business philosophy is to operate as a community bank with local decision-making providing a broad array of banking and financial services to retail, commercial and municipal customers.

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Basis of Presentation

6 Months Ended

Jun. 30, 2018

Basis of Presentation [Abstract]

Basis of Presentation

2. Basis of Presentation

The accompanying unaudited interim consolidated financial statements include the accounts of the Registrant and its wholly owned subsidiaries, the Bank, NBT Financial and NBT Holdings. Collectively, the Registrant and its subsidiaries are referred to herein as “the Company.” The interim data includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods in accordance with generally accepted accounting principles in the United States of America (“GAAP”). These unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2017 Annual Report on Form 10-K. The results of operations for the interim periods are not necessarily indicative of the results that may be expected for the full year or any other interim period. All intercompany transactions have been eliminated in consolidation. Amounts in the prior period financial statements are reclassified whenever necessary to conform to current period presentation. The Company has evaluated subsequent events for potential recognition and/or disclosure and there were none identified.

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Securities

6 Months Ended

Jun. 30, 2018

Securities [Abstract]

Securities

3. Securities

The amortized cost, estimated fair value and unrealized gains (losses) of available for sale ("AFS") securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
June 30, 2018
Federal agency	$	119,964	$	-	$	1,394	$	118,570
State & municipal		36,676		28		302		36,402
Mortgage-backed:
Government-sponsored enterprises		503,303		307		13,579		490,031
U.S. government agency securities		30,232		225		843		29,614
Collateralized mortgage obligations:
Government-sponsored enterprises		486,029		234		17,702		468,561
U.S. government agency securities		51,309		132		1,680		49,761
Total AFS securities	$	1,227,513	$	926	$	35,500	$	1,192,939
December 31, 2017
Federal agency	$	109,862	$	-	$	963	$	108,899
State & municipal		42,171		62		277		41,956
Mortgage-backed:
Government-sponsored enterprises		530,392		1,406		3,345		528,453
U.S. government agency securities		26,363		334		223		26,474
Collateralized mortgage obligations:
Government-sponsored enterprises		496,033		254		10,114		486,173
U.S. government agency securities		50,721		165		1,065		49,821
Equity securities		10,623		3,672		146		14,149
Total AFS securities	$	1,266,165	$	5,893	$	16,133	$	1,255,925

The amortized cost, estimated fair value and unrealized gains (losses) of held to maturity ("HTM") securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
June 30, 2018
Mortgage-backed:
Government-sponsored enterprises	$	90,696	$	-	$	3,244	$	87,452
U.S. government agency securities		376		43		-		419
Collateralized mortgage obligations:
Government-sponsored enterprises		229,353		92		5,989		223,456
U.S. government agency securities		9,788		1		-		9,789
State & municipal		213,950		265		2,352		211,863
Total HTM securities	$	544,163	$	401	$	11,585	$	532,979
December 31, 2017
Mortgage-backed:
Government-sponsored enterprises	$	96,357	$	85	$	810	$	95,632
U.S. government agency securities		418		57		-		475
Collateralized mortgage obligations:
Government-sponsored enterprises		186,327		224		2,577		183,974
State & municipal		200,971		1,439		620		201,790
Total HTM securities	$	484,073	$	1,805	$	4,007	$	481,871

AFS and HTM securities with amortized costs totaling $1.6 billion at June 30, 2018 and $1.5 billion at December 31, 2017 were pledged to secure public deposits and for other purposes required or permitted by law. At June 30, 2018 and December 31, 2017, AFS and HTM securities with an amortized cost of $226.2 million and $256.2 million, respectively, were pledged as collateral for securities sold under repurchase agreements.

The following table sets forth information with regard to investment securities with unrealized losses segregated according to the length of time the securities had been in a continuous unrealized loss position:

	Less than 12 months							12 months or longer							Total
(In thousands)	Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions
As of June 30, 2018
AFS securities:
Federal agency	$	39,457	$	(526	)		4	$	79,113	$	(868	)		6	$	118,570	$	(1,394	)		10
State & municipal		23,273		(232	)		37		5,479		(70	)		8		28,752		(302	)		45
Mortgage-backed		432,173		(11,590	)		93		60,657		(2,832	)		26		492,830		(14,422	)		119
Collateralized mortgage obligations		233,086		(6,076	)		40		260,766		(13,306	)		46		493,852		(19,382	)		86
Total securities with unrealized losses	$	727,989	$	(18,424	)		174	$	406,015	$	(17,076	)		86	$	1,134,004	$	(35,500	)		260
HTM securities:
Mortgage-backed	$	56,920	$	(1,686	)		4	$	30,532	$	(1,558	)		2	$	87,452	$	(3,244	)		6
Collateralized mortgage obligations		149,776		(3,693	)		24		33,586		(2,296	)		6		183,362		(5,989	)		30
State & municipal		73,496		(1,310	)		110		15,665		(1,042	)		25		89,161		(2,352	)		135
Total securities with unrealized losses	$	280,192	$	(6,689	)		138	$	79,783	$	(4,896	)		33	$	359,975	$	(11,585	)		171
As of December 31, 2017
AFS securities:
Federal agency	$	64,653	$	(242	)		5	$	44,246	$	(721	)		4	$	108,899	$	(963	)		9
State & municipal		23,566		(200	)		39		5,994		(77	)		8		29,560		(277	)		47
Mortgage-backed		317,630		(2,381	)		55		58,316		(1,187	)		24		375,946		(3,568	)		79
Collateralized mortgage obligations		227,917		(2,658	)		35		275,303		(8,521	)		42		503,220		(11,179	)		77
Equity securities		-		-			-		2,959		(146	)		1		2,959		(146	)		1
Total securities with unrealized losses	$	633,766	$	(5,481	)		134	$	386,818	$	(10,652	)		79	$	1,020,584	$	(16,133	)		213
HTM securities:
Mortgage-backed	$	15,477	$	(140	)		2	$	33,703	$	(670	)		2	$	49,180	$	(810	)		4
Collateralized mortgage obligations		118,476		(1,064	)		17		37,614		(1,513	)		6		156,090		(2,577	)		23
State & municipal		22,387		(132	)		40		15,720		(488	)		24		38,107		(620	)		64
Total securities with unrealized losses	$	156,340	$	(1,336	)		59	$	87,037	$	(2,671	)		32	$	243,377	$	(4,007	)		91

Declines in the fair value of HTM securities below their amortized cost, less any current period credit loss, that are deemed to be other-than-temporary are reflected in earnings as realized losses or in other comprehensive income ("OCI"). This classification is dependent upon whether the Company intends to sell the security, or whether it is more likely than not that, the Company will be required to sell the security before recovery. The other-than-temporary impairment ("OTTI") shall be recognized in earnings equal to the entire difference between the investment's amortized cost basis and its fair value at the balance sheet date. If the Company does not intend to sell the security and it is not more likely than not that the Company will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the OTTI shall be separated into (i) the amount representing the credit loss and (ii) the amount related to all other factors. The amount of the total OTTI related to the credit loss shall be recognized in earnings. The amount of the total OTTI related to other factors shall be recognized in OCI, net of applicable taxes.

In estimating OTTI losses, management considers, among other things, (i) the length of time and the extent to which the fair value has been less than cost, (ii) the financial condition and near-term prospects of the issuer and (iii) the historical and implied volatility of the fair value of the security.

Management has the intent to hold the securities classified as HTM until they mature, at which time it is believed the Company will receive full value for the securities. The unrealized losses on HTM debt securities are due to increases in market interest rates over yields at the time the underlying securities were purchased. When necessary, the Company has performed a discounted cash flow analysis to determine whether it will receive the contractual principal and interest on certain securities. The fair value is expected to recover as the bond approaches its maturity date or repricing date or if market yields for such investments declines.

Management also has the intent to hold and will not be required to sell, the debt securities classified as AFS for a period sufficient for a recovery of cost, which may be until maturity. The unrealized losses on AFS debt securities are due to increases in market interest rates over the yields available at the time the underlying securities were purchased. When necessary, the Company has performed a discounted cash flow analysis to determine whether it will receive the contractual principal and interest on certain securities. For AFS debt securities, OTTI losses are recognized in earnings if the Company intends to sell the security. In other cases the Company considers the relevant factors noted above, as well as the Company's intent and ability to retain its investment for a period of time sufficient to allow for any anticipated recovery in market value and whether evidence exists to support a realizable value equal to or greater than the cost basis. Any impairment loss on an equity security is equal to the full difference between the cost basis and the fair value of the security.

As of June 30, 2018 and December 31, 2017, management believes the impairments detailed in the table above are temporary. There were no OTTI losses realized in the Company's unaudited interim consolidated statements of income for the three and six months ended June 30, 2018 or in the three months ended June 30, 2017. For the six months ended June 30, 2017, a $1.3 million impairment loss on an equity investment was realized in the Company's unaudited interim consolidated statements of income.

The following tables set forth information with regard to gains and losses on equity securities:

(In thousands)	Three months ended June 30, 2018		Six months ended June 30, 2018
Net gains and losses recognized on equity securities	$	91	$	163
Less: Net gains and losses recognized during the period on equity securities sold during the period		-		44
Unrealized gains and losses recognized on equity securities still held	$	91	$	119

As of June 30, 2018, the carrying value of equity securities without readily determinable fair values was $4.2 million. The Company performed a qualitative assessment to determine whether the investments were impaired and identified no areas of concern as of June 30, 2018. There were no impairments, downward or upward adjustments recognized for equity securities without readily determinable fair values during the three and six months ended June 30, 2018.

The following tables set forth information with regard to contractual maturities of debt securities at June 30, 2018:

(In thousands)	Amortized Cost		Estimated Fair Value
AFS debt securities:
Within one year	$	79,927	$	79,698
From one to five years		78,012		76,566
From five to ten years		186,454		182,532
After ten years		883,120		854,143
Total AFS debt securities	$	1,227,513	$	1,192,939
HTM debt securities:
Within one year	$	51,786	$	51,786
From one to five years		50,159		50,281
From five to ten years		201,007		196,191
After ten years		241,211		234,721
Total HTM debt securities	$	544,163	$	532,979

Maturities of mortgage-backed, collateralized mortgage obligations and asset-backed securities are stated based on their estimated average lives. Actual maturities may differ from estimated average lives or contractual maturities because, in certain cases, borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

Except for U.S. Government securities, there were no holdings, when taken in the aggregate, of any single issuer that exceeded 10% of consolidated stockholders’ equity at June 30, 2018 and December 31, 2017.

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Allowance for Loan Losses and Credit Quality of Loans

6 Months Ended

Jun. 30, 2018

Allowance for Loan Losses and Credit Quality of Loans [Abstract]

Allowance for Loan Losses and Credit Quality of Loans

4. Allowance for Loan Losses and Credit Quality of Loans

Allowance for Loan Losses

The allowance for loan losses is maintained at a level estimated by management to provide adequately for probable incurred losses inherent in the current loan portfolio. The appropriateness of the allowance for loan losses is continuously monitored. It is assessed for appropriateness using a methodology designed to ensure the level of the allowance reasonably reflects the loan portfolio’s risk profile. It is evaluated to ensure that it is sufficient to absorb all reasonably estimable credit losses inherent in the current loan portfolio.

To develop and document a systematic methodology for determining the allowance for loan losses, the Company has divided the loan portfolio into three segments, each with different risk characteristics and methodologies for assessing risk. Those segments are further segregated between our loans accounted for under the amortized cost method (referred to as “originated” loans) and loans acquired in a business combination (referred to as “acquired” loans). Each portfolio segment is broken down into class segments where appropriate. Class segments contain unique measurement attributes, risk characteristics and methods for monitoring and assessing risk that are necessary to develop the allowance for loan losses. Unique characteristics such as borrower type, loan type, collateral type and risk characteristics define each class segment. 

During the first quarter of 2018, the Company adjusted the class segments within the portfolios to better align risk characteristics and reflect the monitoring and assessment of risks as the portfolios continue to evolve. Agricultural Non-Real Estate and Agricultural Real Estate were consolidated with Commercial and Commercial Real Estate, respectively. Agricultural loans are a type of commercial loan with some specific underwriting guidelines; however, as of March 31, 2018, the portfolio had decreased to less than 3% of the Commercial portfolio and separation was no longer warranted. The Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments. The growth in our Specialty Lending portfolio to 21% of Consumer Loans as of March 31, 2018 warranted evaluation of this class separately due to different risk characteristics from the Dealer Finance class segment. The Direct and Home Equity class segments were consolidated into Direct to reflect common management, similar underwriting and in-market focus. The change to the class segments in the allowance methodology did not have a significant impact on the allowance for loan losses. The following table illustrates the portfolio and class segments for the loan portfolio in 2018 compared to 2017:

Portfolio	Class - 2018	Class - 2017
Commercial Loans	Commercial and Industrial	Commercial
	Commercial Real Estate	Commercial Real Estate
	Business Banking	Agricultural
		Agricultural Real Estate
		Business Banking
Consumer Loans	Dealer Finance	Indirect
	Specialty Lending	Home Equity
	Direct	Direct
Residential Real Estate

Commercial Loans

The Company offers a variety of commercial loan products including commercial (non-real estate), commercial real estate, agricultural, agricultural real estate and business banking loans. The Company’s underwriting analysis for commercial loans typically includes credit verification, independent appraisals, a review of the borrower’s financial condition and a detailed analysis of the borrower’s underlying cash flows.

Commercial and Industrial ("C&I") – The Company offers a variety of loan options to meet the specific needs of our C&I customers including term loans, time notes and lines of credit. Such loans are made available to businesses for working capital needs such as inventory and receivables, business expansion, equipment purchases, livestock purchases and finance seasonal crop expenses. Generally, a collateral lien is placed on equipment or other assets owned by the borrower. These loans typically carry a higher risk than commercial real estate loans due to the nature of the underlying collateral, which can be business assets such as equipment, accounts receivable and perishable agricultural products, which are generally less liquid than real estate and exposed to industry price volatility. To reduce these risks, management also attempts to obtain personal guarantees of the borrowers or obtain government loan guarantees to provide further support. In 2018, the Commercial and Agricultural class segments were combined to create the C&I class segment.

Commercial Real Estate ("CRE") – The Company offers CRE loans to finance real estate purchases, refinancings, expansions and improvements to commercial and agricultural properties. CRE loans are made to finance the purchases and improvements of real property, which generally consists of real estate with completed structures. These CRE loans are secured by liens on the real estate, which may include both owner occupied and non-owner-occupied properties, such as apartments, commercial structures, health care facilities and other facilities. These loans are typically less risky than commercial loans, since they are secured by real estate. The Company's underwriting analysis includes credit verification, independent appraisals, a review of the borrower's financial condition and a detailed analysis of the borrower's underlying cash flows. These loans are typically originated in amounts of no more than 80% of the appraised value of the property and no more than 75% of the appraised value of the agricultural property. Government loan guarantees may be obtained to provide further support for agricultural property. In 2018, the Commercial Real Estate and Agricultural Real Estate class segments were combined to create the CRE segment.

Business Banking –The Company offers a variety of loan options to meet the specific needs of our Business Banking customers including term loans, Business Banking mortgages and lines of credit. Such loans are generally less than $750 thousand and are made available to businesses for working capital such as inventory and receivables, business expansion, equipment purchases and agricultural needs. Generally, a collateral lien is placed on assets owned by the borrower and can include real estate, equipment, inventory, receivables or other business assets. These loans carry a higher risk than C&I and CRE loans due to the smaller size of the borrower and lower levels of capital. To reduce these risks, the Company obtains personal guarantees of the owners for a majority of the loans.

Consumer Loans

The Company offers a variety of consumer loan products including Dealer Finance, Specialty Lending and Direct loans.

Dealer Finance – The Company maintains relationships with many dealers primarily in the communities that we serve. Through these relationships, the Company primarily finances the purchases of automobiles and recreational vehicles (such as campers, boats, etc.) indirectly through dealer relationships. Approximately 70% of the Dealer Finance relationships represent automobile financing. Most of these loans carry a fixed rate of interest with principal repayment terms typically ranging from three to six years, based upon the nature of the collateral and the size of the loan. The majority of Dealer Finance consumer loans are underwritten on a secured basis using the underlying collateral being financed. In 2018, the Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments (see above and below).

Specialty Lending –The Company offers unsecured consumer loans across a national footprint originated through our relationships with national technology-driven consumer lending companies to finance such things as dental and medical procedures, K-12 tuition, solar energy installations and other consumer purpose loans. Advances of credit through this specialty lending business line are subject to the Company's underwriting standards including criteria such as FICO score and debt to income thresholds. In 2018, the Indirect class segment has been further separated into Dealer Finance (see above) and Specialty Lending class segments.

Direct – The Company offers a variety of consumer installment loans to finance vehicle purchases, mobile home purchases and personal expenditures. In addition to installment loans, the Company also offers personal lines of credit, overdraft protection, home equity lines of credit and second mortgage loans (loans secured by a lien position on one-to-four family residential real estate) to finance home improvements, debt consolidation, education and other uses. Most of the consumer installment loans carry a fixed rate of interest with principal repayment terms typically ranging from one to ten years, based upon the nature of the collateral and the size of the loan. For home equity loans, consumers are able to borrow up to 85% of the equity in their homes. These loans carry a higher risk than first mortgage residential loans as they are in a second position with respect to collateral. Consumer installment loans are often secured with collateral consisting of a perfected lien on the asset being purchased or a perfected lien on a consumer's deposit account. A minimal amount of consumer installment loans are unsecured, which carry a higher risk of loss. Risk is reduced through underwriting criteria, which include credit verification, appraisals, a review of the borrower's financial condition and personal cash flows. A security interest, with title insurance when necessary, is taken in the underlying real estate. In 2018, the Home Equity segment was consolidated into the Direct class segment.

Residential Real Estate

Residential real estate loans consist primarily of loans secured by a first or second mortgage on primary residences. We originate adjustable-rate and fixed-rate, one-to-four-family residential real estate loans for the construction, purchase or refinancing of a mortgage. These loans are collateralized by owner-occupied properties located in the Company’s market area. When market conditions are favorable, for longer term, fixed-rate residential real estate mortgages without escrow, the Company retains the servicing, but sells the right to receive principal and interest to Freddie Mac. This practice allows the Company to manage interest rate risk, liquidity risk and credit risk. Loans on one-to-four-family residential real estate are generally originated in amounts of no more than 85% of the purchase price or appraised value (whichever is lower) or have private mortgage insurance. Mortgage title insurance and hazard insurance are normally required. Construction loans have a unique risk, because they are secured by an incomplete dwelling. This risk is reduced through periodic site inspections, including one at each loan draw period.

Allowance for Loan Loss Calculation

For purposes of evaluating the adequacy of the allowance, the Company considers a number of significant factors that affect the collectability of the portfolio. For individually impaired loans, these include estimates of impairment, if any, which reflect the facts and circumstances that affect the likelihood of repayment of such loans as of the evaluation date. For homogeneous pools of loans, estimates of the Company’s exposure to credit loss reflect a current assessment of a number of factors, which could affect collectability. These factors include: past loss experience, size, trend, composition and nature of loans; changes in lending policies and procedures, including underwriting standards and collection, charge-offs and recoveries; trends experienced in nonperforming and delinquent loans; current economic conditions in the Company’s market; portfolio concentrations that may affect loss experienced across one or more components of the portfolio; the effect of external factors such as competition, legal and regulatory requirements; and the experience, ability and depth of lending management and staff. In addition, various regulatory agencies, as an integral component of their examination process, periodically review the Company’s allowance for loan losses. Such agencies may require the Company to make loan grade changes as well as recognize additions to the allowance based on their examinations.

After a thorough consideration of the factors discussed above, any required additions or reductions to the allowance for loan losses are made periodically by charges or credits to the provision for loan losses. These charges are necessary to maintain the allowance at a level that management believes is reflective of overall level of incurred loss in the portfolio. While management uses available information to recognize losses on loans, additions and reductions of the allowance may fluctuate from one reporting period to another. These fluctuations are reflective of changes in risk associated with portfolio content or changes in management’s assessment of any or all of the determining factors discussed above.

The following tables illustrate the changes in the allowance for loan losses by our portfolio segments:

(In thousands)	Commercial Loans			Consumer Loans			Residential Real Estate			Total
Balance as of March 31, 2018	$	28,190		$	36,973		$	5,037		$	70,200
Charge-offs		(907	)		(7,442	)		(208	)		(8,557	)
Recoveries		183			1,700			146			2,029
Provision		3,593			5,248			(63	)		8,778
Ending Balance as of June 30, 2018	$	31,059		$	36,479		$	4,912		$	72,450
Balance as of March 31, 2017	$	24,727		$	34,769		$	6,204		$	65,700
Charge-offs		(1,123	)		(6,261	)		(698	)		(8,082	)
Recoveries		206			1,199			10			1,415
Provision		618			5,816			1,133			7,567
Ending Balance as of June 30, 2017	$	24,428		$	35,523		$	6,649		$	66,600

(In thousands)	Commercial Loans			Consumer Loans			Residential Real Estate			Total
Balance as of December 31, 2017	$	27,606		$	36,830		$	5,064		$	69,500
Charge-offs		(1,712	)		(15,129	)		(390	)		(17,231	)
Recoveries		370			3,344			193			3,907
Provision		4,795			11,434			45			16,274
Ending Balance as of June 30, 2018	$	31,059		$	36,479		$	4,912		$	72,450
Balance as of December 31, 2016	$	25,444		$	33,375		$	6,381		$	65,200
Charge-offs		(2,417	)		(12,763	)		(1,296	)		(16,476	)
Recoveries		653			2,234			43			2,930
Provision		748			12,677			1,521			14,946
Ending Balance as of June 30, 2017	$	24,428		$	35,523		$	6,649		$	66,600

For acquired loans, to the extent that we experience deterioration in borrower credit quality resulting in a decrease in our expected cash flows subsequent to the acquisition of the loans, an allowance for loan losses is established based on our estimate of incurred losses at the balance sheet date. There was no allowance for loan losses for the acquired loan portfolio as of June 30, 2018 and December 31, 2017. Net charge-offs of acquired loans totaled approximately $0.1 million and $0.3 million during the three months ended June 30, 2018 and 2017, respectively and approximately $0.2 million and $0.7 million during the six months ended June 30, 2018 and 2017, respectively and are included in the table above.

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments:

(In thousands)	Commercial Loans		Consumer Loans		Residential Real Estate		Total
As of June 30, 2018
Allowance for loan losses	$	31,059	$	36,479	$	4,912	$	72,450
Allowance for loans individually evaluated for impairment		25		-		-		25
Allowance for loans collectively evaluated for impairment	$	31,034	$	36,479	$	4,912	$	72,425
Ending balance of loans	$	3,190,556	$	2,317,746	$	1,350,761	$	6,859,063
Ending balance of originated loans individually evaluated for impairment		5,132		8,006		6,591		19,729
Ending balance of acquired loans collectively evaluated for impairment		162,216		36,865		158,908		357,989
Ending balance of originated loans collectively evaluated for impairment	$	3,023,208	$	2,272,875	$	1,185,262	$	6,481,345
As of December 31, 2017
Allowance for loan losses	$	27,606	$	36,830	$	5,064	$	69,500
Allowance for loans individually evaluated for impairment		57		-		-		57
Allowance for loans collectively evaluated for impairment	$	27,549	$	36,830	$	5,064	$	69,443
Ending balance of loans	$	3,028,269	$	2,234,809	$	1,321,695	$	6,584,773
Ending balance of originated loans individually evaluated for impairment		5,876		8,432		6,830		21,138
Ending balance of acquired loans collectively evaluated for impairment		187,313		43,906		170,472		401,691
Ending balance of originated loans collectively evaluated for impairment	$	2,835,080	$	2,182,471	$	1,144,393	$	6,161,944

Credit Quality of Loans

For all loan classes within the Company's loan portfolio, loans are placed on nonaccrual status when timely collection of principal and/or interest in accordance with contractual terms is in doubt. Loans are transferred to nonaccrual status generally when principal or interest payments become ninety days delinquent, unless the loan is well-secured and in the process of collection or sooner when management concludes circumstances indicate that borrowers may be unable to meet contractual principal or interest payments. When a loan is transferred to a nonaccrual status, all interest previously accrued in the current period but not collected is reversed against interest income in that period. Interest accrued in a prior period and not collected is charged-off against the allowance for loan losses.

If ultimate repayment of a nonaccrual loan is expected, any payments received are applied in accordance with contractual terms. If ultimate repayment of principal is not expected, any payment received on a nonaccrual loan is applied to principal until ultimate repayment becomes expected. For all loan classes within the Company's loan portfolio, nonaccrual loans are returned to accrual status when they become current as to principal and interest and demonstrate a period of performance under the contractual terms and, in the opinion of management, are fully collectible as to principal and interest. For loans in all portfolios, the principal amount is charged off in full or in part as soon as management determines, based on available facts, that the collection of principal in full or in part is improbable. For commercial loans, management considers specific facts and circumstances relative to individual credits in making such a determination. For consumer and residential loan classes, management uses specific guidance and thresholds from the Federal Financial Institutions Examination Council’s Uniform Retail Credit Classification and Account Management Policy.

The following tables set forth information with regard to past due and nonperforming loans by loan class:

(In thousands)	31-60 Days Past Due Accruing		61-90 Days Past Due Accruing		Greater Than 90 Days Past Due Accruing		Total Past Due Accruing		Nonaccrual		Current		Recorded Total Loans
As of June 30, 2018
Originated
Commercial Loans:
C&I	$	1,395	$	394	$	-	$	1,789	$	1,041	$	833,557	$	836,387
CRE		1,846		-		-		1,846		4,085		1,704,773		1,710,704
Business Banking		1,089		540		-		1,629		6,047		473,573		481,249
Total Commercial Loans	$	4,330	$	934	$	-	$	5,264	$	11,173	$	3,011,903	$	3,028,340
Consumer Loans:
Dealer Finance	$	11,909	$	1,956	$	745	$	14,610	$	1,972	$	1,235,983	$	1,252,565
Specialty Lending		2,960		1,921		1,106		5,987		-		501,631		507,618
Direct		2,488		653		322		3,463		2,716		514,519		520,698
Total Consumer Loans	$	17,357	$	4,530	$	2,173	$	24,060	$	4,688	$	2,252,133	$	2,280,881
Residential Real Estate	$	2,477	$	746	$	36	$	3,259	$	5,600	$	1,182,994	$	1,191,853
Total Originated Loans	$	24,164	$	6,210	$	2,209	$	32,583	$	21,461	$	6,447,030	$	6,501,074
Acquired
Commercial Loans:
C&I	$	-	$	-	$	-	$	-	$	-	$	34,054	$	34,054
CRE		-		-		-		-		2		90,049		90,051
Business Banking		442		80		-		522		603		36,986		38,111
Total Commercial Loans	$	442	$	80	$	-	$	522	$	605	$	161,089	$	162,216
Consumer Loans:
Dealer Finance	$	5	$	-	$	-	$	5	$	14	$	259	$	278
Direct		227		44		-		271		314		36,002		36,587
Total Consumer Loans	$	232	$	44	$	-	$	276	$	328	$	36,261	$	36,865
Residential Real Estate	$	972	$	-	$	-	$	972	$	1,612	$	156,324	$	158,908
Total Acquired Loans	$	1,646	$	124	$	-	$	1,770	$	2,545	$	353,674	$	357,989
Total Loans	$	25,810	$	6,334	$	2,209	$	34,353	$	24,006	$	6,800,704	$	6,859,063

(In thousands)	31-60 Days Past Due Accruing		61-90 Days Past Due Accruing		Greater Than 90 Days Past Due Accruing		Total Past Due Accruing		Nonaccrual		Current		Recorded Total Loans
As of December 31, 2017
Originated
Commercial Loans:
Commercial	$	-	$	-	$	-	$	-	$	202	$	753,577	$	753,779
Commercial Real Estate		161		138		-		299		3,178		1,533,065		1,536,542
Agricultural		117		-		-		117		1,043		34,386		35,546
Agricultural Real Estate		493		-		-		493		2,736		30,905		34,134
Business Banking		1,907		597		-		2,504		5,304		473,147		480,955
Total Commercial Loans	$	2,678	$	735	$	-	$	3,413	$	12,463	$	2,825,080	$	2,840,956
Consumer Loans:
Indirect	$	18,747	$	4,033	$	3,492	$	26,272	$	2,115	$	1,642,664	$	1,671,051
Home Equity		2,887		854		341		4,082		2,736		448,081		454,899
Direct		341		108		70		519		35		64,399		64,953
Total Consumer Loans	$	21,975	$	4,995	$	3,903	$	30,873	$	4,886	$	2,155,144	$	2,190,903
Residential Real Estate	$	3,730	$	667	$	1,262	$	5,659	$	5,987	$	1,139,577	$	1,151,223
Total Originated Loans	$	28,383	$	6,397	$	5,165	$	39,945	$	23,336	$	6,119,801	$	6,183,082
Acquired
Commercial Loans:
Commercial	$	-	$	-	$	-	$	-	$	-	$	39,575	$	39,575
Commercial Real Estate		-		-		-		-		2		106,632		106,634
Business Banking		354		-		-		354		669		40,081		41,104
Total Commercial Loans	$	354	$	-	$	-	$	354	$	671	$	186,288	$	187,313
Consumer Loans:
Indirect	$	38	$	-	$	1	$	39	$	22	$	1,157	$	1,218
Home Equity		254		34		103		391		225		39,256		39,872
Direct		6		1		1		8		23		2,785		2,816
Total Consumer Loans	$	298	$	35	$	105	$	438	$	270	$	43,198	$	43,906
Residential Real Estate	$	627	$	226	$	140	$	993	$	1,431	$	168,048	$	170,472
Total Acquired Loans	$	1,279	$	261	$	245	$	1,785	$	2,372	$	397,534	$	401,691
Total Loans	$	29,662	$	6,658	$	5,410	$	41,730	$	25,708	$	6,517,335	$	6,584,773

There were no material commitments to extend further credit to borrowers with nonperforming loans as of June 30, 2018 and December 31, 2017.

Impaired Loans

The methodology used to establish the allowance for loan losses on impaired loans incorporates specific allocations on loans analyzed individually. Classified loans, including all trouble debt restructured loans ("TDRs") and nonaccrual commercial loans that are graded Substandard, Doubtful or Loss, with outstanding balances of $750 thousand or more are evaluated for impairment through the Company’s quarterly status review process. The Company considers commercial loans less than $750 thousand to be homogeneous loans. In determining that we will be unable to collect all principal and/or interest payments due in accordance with the contractual terms of the loan agreements, we consider factors such as payment history and changes in the financial condition of individual borrowers, local economic conditions, historical loss experience and the conditions of the various markets in which the collateral may be liquidated. For loans that are identified as impaired, impairment is measured by one of three methods: 1) the fair value of collateral less cost to sell, 2) present value of expected future cash flows or 3) the loan’s observable market price. These impaired loans are reviewed on a quarterly basis for changes in the level of impairment. Impaired amounts are charged off immediately if such amounts are determined by management to be uncollectable. Any change to the previously recognized impairment loss is recognized as a component of the provision for loan losses.

The following table provides information on loans specifically evaluated for impairment:

	June 30, 2018							December 31, 2017
(In thousands)	Recorded Investment Balance (Book)		Unpaid Principal Balance (Legal)		Related Allowance			Recorded Investment Balance (Book)		Unpaid Principal Balance (Legal)		Related Allowance
Originated
With no related allowance recorded:
Commercial Loans:
C&I	$	412	$	681				$	-	$	-
CRE		3,665		5,585					-		-
Commercial		-		-					-		251
Commercial Real Estate		-		-					2,211		3,979
Agricultural		-		-					452		465
Agricultural Real Estate		-		-					2,250		2,423
Business Banking		1,030		2,104					860		1,730
Total Commercial Loans	$	5,107	$	8,370				$	5,773	$	8,848
Consumer Loans:
Dealer Finance	$	149	$	189				$	-	$	-
Direct		7,857		9,836					-		-
Indirect		-		-					131		143
Home Equity		-		-					8,027		9,966
Direct		-		-					274		274
Total Consumer Loans	$	8,006	$	10,025				$	8,432	$	10,383
Residential Real Estate	$	6,591	$	8,836				$	6,830	$	8,780
Total	$	19,704	$	27,231				$	21,035	$	28,011
With an allowance recorded:
Commercial Loans:
C&I	$	25	$	25		$	25	$	-	$	-		$	-
Commercial Real Estate		-		-			-		76		82			30
Agricultural		-		-			-		27		27			27
Total Commercial Loans	$	25	$	25		$	25	$	103	$	109		$	57
Total Loans	$	19,729	$	27,256		$	25	$	21,138	$	28,120		$	57

There were no acquired impaired loans specifically evaluated for impairment as of June 30, 2018 or December 31, 2017.

The following tables summarize the average recorded investments on loans specifically evaluated for impairment and the interest income recognized:

	For the three months ended
	June 30, 2018				June 30, 2017
(In thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Originated
Commercial Loans:
C&I	$	447	$	1	$	-	$	-
CRE		3,882		32		-		-
Commercial		-		-		3,931		-
Commercial Real Estate		-		-		3,243		1
Agricultural		-		-		157		1
Agricultural Real Estate		-		-		1,549		10
Business Banking		1,044		3		890		3
Total Commercial Loans	$	5,373	$	36	$	9,770	$	15
Consumer Loans:
Dealer Finance	$	194	$	1	$	-	$	-
Direct		7,952		106		-		-
Indirect		-		-		25		1
Home Equity		-		-		8,205		110
Direct		-		-		120		-
Total Consumer Loans	$	8,146	$	107	$	8,350	$	111
Residential Real Estate	$	6,738	$	71	$	6,388	$	68
Total Originated Loans	$	20,257	$	214	$	24,508	$	194
Total Loans	$	20,257	$	214	$	24,508	$	194

	For the six months ended
	June 30, 2018				June 30, 2017
(In thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Originated
Commercial Loans:
C&I	$	457	$	1	$	-	$	-
CRE		4,154		64		-		-
Commercial		-		-		3,419		-
Commercial Real Estate		-		-		4,584		45
Agricultural		-		-		165		1
Agricultural Real Estate		-		-		1,564		21
Business Banking		988		8		788		5
Total Commercial Loans	$	5,599	$	73	$	10,520	$	72
Consumer Loans:
Dealer Finance	$	188	$	4	$	-	$	-
Direct		8,066		215		-		-
Indirect		-		-		16		1
Home Equity		-		-		8,310		220
Direct		-		-		120		-
Total Consumer Loans	$	8,254	$	219	$	8,446	$	221
Residential Real Estate	$	6,815	$	144	$	6,308	$	129
Total Originated Loans	$	20,668	$	436	$	25,274	$	422
Acquired
Commercial Loans:
Commercial Real Estate	$	-	$	-	$	172	$	-
Total Commercial Loans	$	-	$	-	$	172	$	-
Total Acquired Loans	$	-	$	-	$	172	$	-
Total Loans	$	20,668	$	436	$	25,446	$	422

Credit Quality Indicators

The Company has developed an internal loan grading system to evaluate and quantify the Company’s loan portfolio with respect to quality and risk. The system focuses on, among other things, financial strength of borrowers, experience and depth of borrower’s management, primary and secondary sources of repayment, payment history, nature of the business and outlook on particular industries. The internal grading system enables the Company to monitor the quality of the entire loan portfolio on a consistent basis and provide management with an early warning system, enabling recognition and response to problem loans and potential problem loans.

Commercial Grading System

For commercial and agricultural loans, the Company uses a grading system that relies on quantifiable and measurable characteristics when available. This would include comparison of financial strength to available industry averages, comparison of transaction factors (loan terms and conditions) to loan policy and comparison of credit history to stated repayment terms and industry averages. Some grading factors are necessarily more subjective such as economic and industry factors, regulatory environment and management. Commercial loans are graded Doubtful, Substandard, Special Mention and Pass.

● Doubtful

A Doubtful loan has a high probability of total or substantial loss, but because of specific pending events that may strengthen the asset, its classification as a loss is deferred. Doubtful borrowers are usually in default, lack adequate liquidity or capital and lack the resources necessary to remain an operating entity. Pending events can include mergers, acquisitions, liquidations, capital injections, the perfection of liens on additional collateral, the valuation of collateral and refinancing. Generally, pending events should be resolved within a relatively short period and the ratings will be adjusted based on the new information. Nonaccrual treatment is required for Doubtful assets because of the high probability of loss.

● Substandard

Substandard loans have a high probability of payment default or they have other well-defined weaknesses. They require more intensive supervision by bank management. Substandard loans are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. For some Substandard loans, the likelihood of full collection of interest and principal may be in doubt and those loans should be placed on nonaccrual. Although Substandard assets in the aggregate will have a distinct potential for loss, an individual asset’s loss potential does not have to be distinct for the asset to be rated Substandard.

● Special Mention

Special Mention loans have potential weaknesses that may, if not checked or corrected, weaken the asset or inadequately protect the Company’s position at some future date. These loans pose elevated risk, but their weakness does not yet justify a Substandard classification. Borrowers may be experiencing adverse operating trends (i.e., declining revenues or margins) or may be struggling with an ill-proportioned balance sheet (i.e., increasing inventory without an increase in sales, high leverage, tight liquidity). Adverse economic or market conditions, such as interest rate increases or the entry of a new competitor, may also support a Special Mention rating. Although a Special Mention loan has a higher probability of default than a Pass asset, its default is not imminent.

● Pass

Loans graded as Pass encompass all loans not graded as Doubtful, Substandard or Special Mention. Pass loans are in compliance with loan covenants and payments are generally made as agreed. Pass loans range from superior quality to fair quality.

Business Banking Grading System

Business banking loans are graded as either Classified or Non-classified:

● Classified

Classified loans are inadequately protected by the current worth and paying capacity of the obligor or, if applicable, the collateral pledged. These loans have a well-defined weakness or weaknesses, which jeopardize the liquidation of the debt or in some cases make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Classified loans have a high probability of payment default or a high probability of total or substantial loss. These loans require more intensive supervision by management and are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. When the likelihood of full collection of interest and principal may be in doubt, Classified loans are considered to have a nonaccrual status. In some cases, Classified loans are considered uncollectable and of such little value that their continuance as assets is not warranted.

● Non-classified

Loans graded as Non-classified encompass all loans not graded as Classified. Non-classified loans are in compliance with loan covenants and payments are generally made as agreed.

Consumer and Residential Real Estate Grading System

Consumer and Residential Real Estate loans are graded as either Nonperforming or Performing. 

● Nonperforming

Nonperforming loans are loans that are 1) over 90 days past due and interest is still accruing or 2) on nonaccrual status.

● Performing

All loans not meeting any of these criteria are considered Performing.

The following tables illustrate the Company’s credit quality by loan class:

(In thousands)	As of June 30, 2018
Originated
Commercial Credit Exposure By Internally Assigned Grade:		C&I	CRE		Total
Pass	$	773,097	$	1,658,780	$	2,431,877
Special Mention		46,153		14,720		60,873
Substandard		16,737		37,204		53,941
Doubtful		400		-		400
Total	$	836,387	$	1,710,704	$	2,547,091

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	469,660	$	469,660
Classified		11,589		11,589
Total	$	481,249	$	481,249

Consumer Credit Exposure By Payment Activity:	Dealer Finance		Specialty Lending		Direct		Total
Performing	$	1,249,848	$	506,512	$	517,660	$	2,274,020
Nonperforming		2,717		1,106		3,038		6,861
Total	$	1,252,565	$	507,618	$	520,698	$	2,280,881

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	1,186,217	$	1,186,217
Nonperforming		5,636		5,636
Total	$	1,191,853	$	1,191,853

Acquired

Commercial Credit Exposure By Internally Assigned Grade:		C&I	CRE		Total
Pass	$	28,989	$	88,818	$	117,807
Special Mention		5,019		564		5,583
Substandard		46		669		715
Total	$	34,054	$	90,051	$	124,105

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	35,691	$	35,691
Classified		2,420		2,420
Total	$	38,111	$	38,111

Consumer Credit Exposure By Payment Activity:	Dealer Finance		Direct		Total
Performing	$	264	$	36,273	$	36,537
Nonperforming		14		314		328
Total	$	278	$	36,587	$	36,865

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	157,296	$	157,296
Nonperforming		1,612		1,612
Total	$	158,908	$	158,908

(In thousands)	As of December 31, 2017
Originated
Commercial Credit Exposure By Internally Assigned Grade:	Commercial			Commercial Real Estate			Agricultural		Agricultural Real Estate			Total
Pass		$	708,567		$	1,481,926	$	31,142		$	23,381		$	2,245,016
Special Mention			30,337			28,264		2,294			2,441			63,336
Substandard			14,875			26,352		2,110			8,312			51,649
Total		$	753,779		$	1,536,542	$	35,546		$	34,134		$	2,360,001

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	468,898	$	468,898
Classified		12,057		12,057
Total	$	480,955	$	480,955

Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	1,665,444	$	451,822	$	64,848	$	2,182,114
Nonperforming		5,607		3,077		105		8,789
Total	$	1,671,051	$	454,899	$	64,953	$	2,190,903

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	1,143,974	$	1,143,974
Nonperforming		7,249		7,249
Total	$	1,151,223	$	1,151,223

Acquired
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Total
Pass	$	37,825	$	103,248	$	141,073
Special Mention		425		498		923
Substandard		1,325		2,888		4,213
Total	$	39,575	$	106,634	$	146,209

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	38,236	$	38,236
Classified		2,868		2,868
Total	$	41,104	$	41,104

Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	1,195	$	39,544	$	2,792	$	43,531
Nonperforming		23		328		24		375
Total	$	1,218	$	39,872	$	2,816	$	43,906

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	168,901	$	168,901
Nonperforming		1,571		1,571
Total	$	170,472	$	170,472

Troubled Debt Restructured Loans

When the Company modifies a loan in a trouble debt restructuring, such modifications include one or a combination of the following: an extension of the maturity date at a stated rate of interest lower than the current market rate for new debt with similar risk; temporary reduction in the interest rate or change in scheduled payment amount. Residential and consumer TDRs occurring during 2018 and 2017 were due to the reduction in the interest rate or extension of the term. Commercial TDRs during 2018 and 2017 were both a reduction of the interest rate and change in terms.

When the Company modifies a loan in a troubled debt restructuring, management measures for impairment, if any, based on the present value of the expected future cash flows, discounted at the contractual interest rate of the original loan agreement, except when the sole (remaining) source of repayment for the loan is the operation or liquidation of the collateral. In these cases, management uses the current fair value of the collateral, less selling costs. If management determines that the value of the modified loan is less than the recorded investment in the loan an impairment charge would be recognized.

The following tables illustrate the recorded investment and number of modifications for modified loans, including the recorded investment in the loans prior to a modification and the recorded investment in the loans after restructuring:

	Three months ended June 30, 2018
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Business Banking		1	$	6	$	5
Total Commercial Loans		1	$	6	$	5
Consumer Loans:
Dealer Finance		1	$	13	$	13
Total Consumer Loans		1	$	13	$	13
Total Troubled Debt Restructurings		2	$	19	$	18

	Three months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Commercial		1	$	3,300	$	3,239
Business Banking		1		337		333
Total Commercial Loans		2	$	3,637	$	3,572
Consumer Loans:
Indirect		3	$	32	$	31
Home Equity		1		78		78
Direct		1		120		120
Total Consumer Loans		5	$	230	$	229
Residential Real Estate		4	$	346	$	346
Total Troubled Debt Restructurings		11	$	4,213	$	4,147

	Six months ended June 30, 2018
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Business Banking		3	$	369	$	371
Total Commercial Loans		3	$	369	$	371
Consumer Loans:
Dealer Finance		7	$	95	$	94
Direct		2		41		41
Total Consumer Loans		9	$	136	$	135
Residential Real Estate		5	$	323	$	323
Total Troubled Debt Restructurings		17	$	828	$	829

	Six months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Commercial		1	$	3,300	$	3,239
Business Banking		1		337		333
Total Commercial Loans		2	$	3,637	$	3,572
Consumer Loans:
Indirect		3	$	32	$	31
Home Equity		4		185		192
Direct		1		120		120
Total Consumer Loans		8	$	337	$	343
Residential Real Estate		6	$	548	$	554
Total Troubled Debt Restructurings		16	$	4,522	$	4,469

The following tables illustrate the recorded investment and number of modifications for TDRs where a concession has been made and subsequently defaulted during the period:

	Three months ended June 30, 2018				Three months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Commercial Loans:
Business Banking		1	$	58		1	$	329
Total Commercial Loans		1	$	58		1	$	329
Consumer Loans:
Indirect		-	$	-		1	$	14
Home Equity		-		-		13		589
Direct		13		495		-		-
Total Consumer Loans		13	$	495		14	$	603
Residential Real Estate		7	$	599		4	$	251
Total Troubled Debt Restructurings		21	$	1,152		19	$	1,183

	Six months ended June 30, 2018				Six months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Commercial Loans:
Commercial		-	$	-		1	$	145
Business Banking		2		258		1		329
Total Commercial Loans		2	$	258		2	$	474
Consumer Loans:
Indirect		-	$	-		2	$	19
Home Equity		-		-		22		1,101
Direct		25		1,260		-		-
Total Consumer Loans		25	$	1,260		24	$	1,120
Residential Real Estate		13	$	907		8	$	419
Total Troubled Debt Restructurings		40	$	2,425		34	$	2,013

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Defined Benefit Post-Retirement Plans

6 Months Ended

Jun. 30, 2018

Defined Benefit Post-Retirement Plans [Abstract]

Defined Benefit Post-Retirement Plans

5. Defined Benefit Post-Retirement Plans

The Company has a qualified, noncontributory, defined benefit pension plan (“the Plan”) covering substantially all of its employees at June 30, 2018. Benefits paid from the plan are based on age, years of service, compensation, social security benefits and are determined in accordance with defined formulas. The Company’s policy is to fund the Plan in accordance with Employee Retirement Income Security Act of 1974 standards. Assets of the Plan are invested in publicly traded stocks and mutual funds. 

In addition to the Plan, the Company also provides supplemental employee retirement plans to certain current and former executives. The Company also assumed supplemental retirement plans for certain current and former executives of Alliance Financial Corporation (“Alliance”) when the Company acquired Alliance.

These supplemental employee retirement plans and the Plan are collectively referred to herein as “Pension Benefits.”

In addition, the Company provides certain health care benefits for retired employees. Benefits are accrued over the employees’ active service period. Only employees that were employed by the Company on or before January 1, 2000 are eligible to receive post-retirement health care benefits. In addition, the Company assumed post-retirement medical life insurance benefits for certain Alliance employees, retirees and their spouses, if applicable, in the Alliance acquisition. These post-retirement benefits are referred to herein as “Other Benefits.”

The Company made no voluntary contributions to the pension and other benefits plans in 2017 and did not do so during the three and six months ended June 30, 2018.

The components of expense for Pension Benefits and Other Benefits are set forth below:

	Pension Benefits						Other Benefits
	Three months ended June 30,						Three months ended June 30,
(In thousands)	2018			2017			2018		2017
Components of net periodic (benefit) cost:
Service cost	$	420		$	402		$	3	$	3
Interest cost		920			1,042			82		86
Expected return on plan assets		(2,123	)		(1,985	)		-		-
Net amortization		251			415			44		20
Total net periodic (benefit) cost	$	(532	)	$	(126	)	$	129	$	109

	Pension Benefits						Other Benefits
	Six months ended June 30,						Six months ended June 30,
(In thousands)	2018			2017			2018		2017
Components of net periodic (benefit) cost:
Service cost	$	840		$	801		$	6	$	6
Interest cost		1,840			2,084			164		172
Expected return on plan assets		(4,246	)		(3,970	)		-		-
Net amortization		502			830			88		40
Total net periodic (benefit) cost	$	(1,064	)	$	(255	)	$	258	$	218

The service cost component of the net periodic (benefit) cost is included in Salaries and Employee Benefits and the interest cost, expected return on plan assets and net amortization components are including in Other Noninterest Expense on the unaudited interim consolidated statements of income.

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Earnings Per Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

6. Earnings Per Share

Basic earnings per share ("EPS") excludes dilution and is computed by dividing income available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity (such as the Company’s dilutive stock options and restricted stock units).

The following is a reconciliation of basic and diluted EPS for the periods presented in the unaudited interim consolidated statements of income: 

	Three Months Ended June 30,
(In thousands, except per share data)	2018		2017
Basic EPS:
Weighted average common shares outstanding		43,699		43,579
Net income available to common stockholders	$	28,121	$	21,359
Basic EPS	$	0.64	$	0.49
Diluted EPS:
Weighted average common shares outstanding		43,699		43,579
Dilutive effect of common stock options and restricted stock		318		322
Weighted average common shares and common share equivalents		44,017		43,901
Net income available to common stockholders	$	28,121	$	21,359
Diluted EPS	$	0.64	$	0.49

	Six Months Ended June 30,
(In thousands, except per share data)	2018		2017
Basic EPS:
Weighted average common shares outstanding		43,681		43,546
Net income available to common stockholders	$	54,107	$	41,638
Basic EPS	$	1.24	$	0.96
Diluted EPS:
Weighted average common shares outstanding		43,681		43,546
Dilutive effect of common stock options and restricted stock		311		340
Weighted average common shares and common share equivalents		43,992		43,886
Net income available to common stockholders	$	54,107	$	41,638
Diluted EPS	$	1.23	$	0.95

There were 1,500 and 3,250 stock options for the quarters ended June 30, 2018 and June 30, 2017, respectively that were not considered in the calculation of diluted EPS since the stock options’ exercise price was greater than the average market price during these periods.

There were 1,500 and 1,144 stock options for the six months ended June 30, 2018 and June 30, 2017, respectively, that were not considered in the calculation of diluted EPS since the stock options’ exercise price was greater than the average market price during these periods.

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Reclassification Adjustments Out of Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2018

Reclassification Adjustments Out of Other Comprehensive Income (Loss) [Abstract]

Reclassification Adjustments Out of Other Comprehensive Income (Loss)

7. Reclassification Adjustments Out of Other Comprehensive Income (Loss)

The following table summarizes the reclassification adjustments out of accumulated other comprehensive income (loss) ("AOCI"):

Detail About AOCI Components	Amount Reclassified From AOCI						Affected Line Item in the Consolidated Statement of Comprehensive Income (Loss)
	Three months ended
(In thousands)	June 30, 2018			June 30, 2017
AFS securities:
(Gains) on AFS securities	$	-		$	(2	)	Net securities gains
Amortization of unrealized gains related to securities transfer		177			225		Interest income
Tax effect	$	(44	)	$	(85	)	Income tax (expense) benefit
Net of tax	$	133		$	138
Cash flow hedges:
Net unrealized (gains) losses on cash flow hedges reclassified to interest (income) expense	$	(540	)	$	(23	)	Interest expense
Tax effect	$	135		$	9		Income tax (expense) benefit
Net of tax	$	(405	)	$	(14	)
Pension and other benefits:
Amortization of net losses	$	273		$	425		Other noninterest expense
Amortization of prior service costs		22			10		Other noninterest expense
Tax effect	$	(74	)	$	(166	)	Income tax (expense) benefit
Net of tax	$	221		$	269
Total reclassifications during the period, net of tax	$	(51	)	$	393

Detail About AOCI Components	Amount Reclassified From AOCI						Affected Line item in the Consolidated Statement of Comprehensive Income (Loss)
	Six months ended
(In thousands)	June 30, 2018			June 30, 2017
AFS securities:
(Gains) on AFS securities	$	-		$	(2	)	Net securities gains
Amortization of unrealized gains related to securities transfer		365			463		Interest income
Impairment write-down of equity security		-			1,312		Other noninterest income
Tax effect	$	(91	)	$	(677	)	Income tax (expense) benefit
Net of tax	$	274		$	1,096
Cash flow hedges:
Net unrealized (gains) losses on cash flow hedges reclassified to interest (income) expense	$	(899	)	$	59		Interest expense
Tax effect	$	225		$	(23	)	Income tax (expense) benefit
Net of tax	$	(674	)	$	36
Pension and other benefits:
Amortization of net losses	$	546		$	850		Other noninterest expense
Amortization of prior service costs		44			20		Other noninterest expense
Tax effect	$	(148	)	$	(332	)	Income tax (expense) benefit
Net of tax	$	442		$	538
Total reclassifications during the period, net of tax	$	42		$	1,670

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Fair Value Measurements and Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2018

Fair Value Measurements and Fair Value of Financial Instruments [Abstract]

Fair Value Measurements and Fair Value of Financial Instruments

8. Fair Value Measurements and Fair Value of Financial Instruments

GAAP states that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. Fair value measurements are not adjusted for transaction costs. A fair value hierarchy exists within GAAP that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below:

Level 1 - Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

Level 2 - Quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability;

Level 3 - Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The types of instruments valued based on quoted market prices in active markets include most U.S. government and agency securities, many other sovereign government obligations, liquid mortgage products, active listed equities and most money market securities. Such instruments are generally classified within Level 1 or Level 2 of the fair value hierarchy. The Company does not adjust the quoted prices for such instruments.

The types of instruments valued based on quoted prices in markets that are not active, broker or dealer quotations or alternative pricing sources with reasonable levels of price transparency include most investment-grade and high-yield corporate bonds, less liquid mortgage products, less liquid agency securities, less liquid listed equities, state, municipal and provincial obligations and certain physical commodities. Such instruments are generally classified within Level 2 of the fair value hierarchy. Certain common equity securities are reported at fair value utilizing Level 1 inputs (exchange quoted prices). Other investment securities are reported at fair value utilizing Level 1 and Level 2 inputs. The prices for Level 2 instruments are obtained through an independent pricing service or dealer market participants with whom the Company has historically transacted both purchases and sales of investment securities. Prices obtained from these sources include prices derived from market quotations and matrix pricing. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond's terms and conditions, among other things. Management reviews the methodologies used in pricing the securities by its third party providers.

Level 3 is for positions that are not traded in active markets or are subject to transfer restrictions, valuations are adjusted to reflect illiquidity and/or non-transferability and such adjustments are generally based on available market evidence. In the absence of such evidence, management’s best estimate will be used. Management’s best estimate consists of both internal and external support on certain Level 3 investments. Subsequent to inception, management only changes Level 3 inputs and assumptions when corroborated by evidence such as transactions in similar instruments, completed or pending third-party transactions in the underlying investment or comparable entities, subsequent rounds of financing, recapitalizations and other transactions across the capital structure, offerings in the equity or debt markets and changes in financial ratios or cash flows.

For the three and six months ended June 30, 2018, the Company made no transfers of assets from Level 1 to Level 2. For the three months ended June 30, 2018, the Company made no transfers of assets from Level 2 to Level 1. For the six months ended June 30, 2018, the Company made a $4.0 million transfer from Level 2 to Level 1. For the year ended December 31, 2017, the Company made no transfer of assets between the levels of the fair value hierarchy.

The following tables set forth the Company’s financial assets and liabilities measured on a recurring basis that were accounted for at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

(In thousands)	Level 1		Level 2		Level 3		June 30, 2018
Assets:
AFS securities:
Federal agency	$	-	$	118,570	$	-	$	118,570
State & municipal		-		36,402		-		36,402
Mortgage-backed		-		519,645		-		519,645
Collateralized mortgage obligations		-		518,322		-		518,322
Total AFS securities	$	-	$	1,192,939	$	-	$	1,192,939
Equity securities		20,109		4,184		-		24,293
Derivatives		-		22,568		-		22,568
Total	$	20,109	$	1,219,691	$	-	$	1,239,800
Liabilities:
Derivatives	$	-	$	18,463	$	-	$	18,463
Total	$	-	$	18,463	$	-	$	18,463

(In thousands)	Level 1		Level 2		Level 3		December 31, 2017
Assets:
AFS securities:
Federal agency	$	-	$	108,899	$	-	$	108,899
State & municipal		-		41,956		-		41,956
Mortgage-backed		-		554,927		-		554,927
Collateralized mortgage obligations		-		535,994		-		535,994
Other securities		5,845		8,304		-		14,149
Total AFS securities	$	5,845	$	1,250,080	$	-	$	1,255,925
Trading securities		11,467		-		-		11,467
Derivatives		-		3,732		-		3,732
Total	$	17,312	$	1,253,812	$	-	$	1,271,124
Liabilities:
Derivatives	$	-	$	324	$	-	$	324
Total	$	-	$	324	$	-	$	324

GAAP requires disclosure of assets and liabilities measured and recorded at fair value on a non-recurring basis such as goodwill, loans held for sale, other real estate owned, collateral-dependent impaired loans, mortgage servicing rights and HTM securities. The only non-recurring fair value measurements recorded during the three and six month periods ended June 30, 2018 and December 31, 2017 were related to impaired loans, write-down of other real estate owned and impairments of goodwill and intangible assets. The Company uses the fair value of underlying collateral, less costs to sell, to estimate the specific reserves for collateral dependent impaired loans. The appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses ranging from 10% to 35%. Based on the valuation techniques used, the fair value measurements for collateral dependent impaired loans are classified as Level 3.

As of June 30, 2018 and December 31, 2017, the Company had collateral dependent loans with a carrying value of $25 thousand and $0.1 million, respectively, which had specific reserves including in the allowance for loan losses of $25 thousand and $0.1 million, respectively.

Interest Rate Swaps

The Company enters into interest rate swaps to facilitate customer transactions and meet their financing needs. These swaps are considered derivatives, but are not designated in hedging relationships. These instruments have interest rate and credit risk associated with them. To mitigate the interest rate risk, the Company enters into offsetting interest rate swaps with counterparties. The counterparty swaps are also considered derivatives and are also not designated in hedging relationships. Interest rate swaps are recorded within other assets or other liabilities on the unaudited interim consolidated balance sheet at their estimated fair value. Changes to the fair value of assets and liabilities arising from these derivatives are included, net, in other operating income in the unaudited interim consolidated statement of income.

At June 30, 2018 the notional amount of these customer derivative agreements and the offsetting derivative counterparty positions each totaled $625.7 million and the fair values included in other assets and other liabilities on the unaudited interim consolidated balance sheet applicable to these agreements amounted to $18.5 million. At December 31, 2017, the notional amount of these customer derivative agreements and the offsetting derivative counterparty positions each totaled $481.2 million and the fair values included in other assets and other liabilities on the unaudited interim consolidated balance sheet applicable to these agreements amounted to $0.2 million.

The Company has entered into interest rate swaps to modify the interest rate characteristics of certain short-term FHLB advances from variable rate to fixed rate in order to reduce the impact of changes in future cash flows due to market interest rate changes. These agreements are designated as cash flow hedges. The notional amount of these interest rate derivative agreements total $225.0 million at June 30, 2018 and $250.0 million at December 31, 2017. Fair values included in other assets on the unaudited interim consolidated balance sheet applicable to these agreements amounted to $4.1 million at June 30, 2018 and $3.5 million at December 31, 2017.

For derivatives designated and that qualify as cash flow hedges of interest rate risk, the gain or loss on the derivative is recorded in AOCI and subsequently reclassified into interest expense in the same period during which the hedge transaction affects earnings. Amounts reported in AOCI related to derivatives will be reclassified to interest expense as interest payments are made on the Company's short-term rate borrowings. The change in net unrealized gains (losses) on cash flow hedges reflects a reclassification of $0.5 million and $0.1 million of net unrealized gains from AOCI to interest expense during the three months ended June 30, 2018 and 2017, respectively. The change in net unrealized gains (losses) on cash flow hedges reflects a reclassification of $0.9 million of net unrealized gains and $0.1 million of net unrealized (losses) from AOCI to interest expense during the six months ended June 30, 2018 and 2017, respectively. During the next twelve months, the Company estimates that an additional $3.0 million will be reclassified from AOCI as a reduction to interest expense.

The following table sets forth information with regard to estimated fair values of financial instruments. This table excludes financial instruments for which the carrying amount approximates fair value. Financial instruments for which the fair value approximates carrying value include cash and cash equivalents, AFS securities, equity securities, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable and interest rate swaps.

			June 30, 2018				December 31, 2017
(In thousands)	Fair Value Hierarchy		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets:
HTM securities		2	$	544,163	$	532,979	$	484,073	$	481,871
Net loans		3		6,786,613		6,811,553		6,515,273		6,651,931
Financial liabilities:
Time deposits		2	$	864,052	$	856,646	$	806,766	$	801,294
Long-term debt		2		73,778		72,379		88,869		88,346
Junior subordinated debt		2		101,196		101,248		101,196		104,593

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 any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. 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. For example, the Company has a substantial trust and investment management operation that contributes net fee income annually. The trust and investment management operation is not considered a financial instrument and its value has not been incorporated into the fair value estimates. Other significant assets and liabilities include the benefits resulting from the low-cost funding of deposit liabilities as compared to the cost of borrowing funds in the market and premises and equipment. 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 estimate of fair value.

HTM Securities

The fair value of the Company’s investment HTM securities is primarily measured using information from a third party pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things.

Net Loans

The fair value of the Company’s loans was estimated by discounting the expected future cash flows using the current interest rates at which similar loans would be made for the same remaining maturities, in accordance with the exit price notion as defined by Financial Accounting Standards Board ("FASB") Accounting Standard Codification ("ASC") 820, Fair Value Measurement ("ASC 820"). Loans were first segregated by type and then further segmented into fixed and variable rate and loan quality categories. Expected future cash flows were projected based on contractual cash flows, adjusted for estimated prepayments and as a result of the adoption of Accounting Standard Update ("ASU") 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities, which also included credit risk, illiquidity risk and other market factors to calculate the exit price fair value in accordance with ASC 820. Upon adoption, ASU 2016-01 did not materially change the estimated fair value of loans.

Time Deposits

The fair value of time deposits was estimated using a discounted cash flow approach that applies prevailing market interest rates for similar maturity instruments. The fair values of the Company’s time deposit liabilities do not take into consideration the value of the Company’s long-term relationships with depositors, which may have significant value.

Long-Term Debt

The fair value of long-term debt was estimated using a discounted cash flow approach that applies prevailing market interest rates for similar maturity instruments.

Junior Subordinated Debt

The fair value of junior subordinated debt has been estimated using a discounted cash flow analysis.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies [Abstract]

Commitments and Contingencies

9. Commitments and Contingencies

The Company is a 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, unused lines of credit, standby letters of credit and certain agricultural real estate loans sold to investors with recourse, with the sold portion having a government guarantee that is assignable back to the Company upon repurchase of the loan in the event of default. The Company's exposure to credit loss in the event of nonperformance by the other party to the commitments to extend credit, unused lines of credit, standby letters of credit and loans sold with recourse is represented by the contractual amounts of those investments. The credit risk associated with commitments to extend credit and standby and commercial letters of credit is essentially the same as that involved with extending loans to customers and is subject to normal credit policies. Commitments to extend credit and unused lines of credit totaled $1.7 billion at June 30, 2018 and $1.6 billion at December 31, 2017.

Since many loan commitments, standby letters of credit, guarantees and indemnification contracts expire without being funded in whole or in part, the contract amounts are not necessarily indicative of future cash flows. The Company does not issue any guarantee that would require liability-recognition or disclosure, other than its standby letters of credit.

The Company guarantees the obligations or performance of customers by issuing standby letters of credit to third parties. These standby letters of credit are frequently issued in support of third party debt, such as corporate debt issuances, industrial revenue bonds and municipal securities. The risk involved in issuing standby letters of credit is essentially the same as the credit risk involved in extending loan facilities to customers and they are subject to the same credit origination guidelines, portfolio maintenance and management procedures in effect to monitor other credit and off-balance sheet products. Typically, these instruments have terms of five years or less and expire unused; therefore, the total amounts do not necessarily represent future cash commitments. Standby letters of credit totaled $40.5 million at June 30, 2018 and $41.1 million at December 31, 2017. As of June 30, 2018 and December 31, 2017, the fair value of standby letters of credit was not significant.

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Revenue from Contracts with Customers

6 Months Ended

Jun. 30, 2018

Revenue from Contracts with Customers [Abstract]

Revenue from Contracts with Customers

10. Revenue from Contracts with Customers

Effective January 1, 2018, the Company adopted FASB ASU 2014-09, Revenue from Contracts with Customers (ASC Topic 606) ("ASC 606" and "ASU 2014-09"), and all subsequent ASUs that modified ASC 606. The implementation of ASC 606 did not have a material impact on the measurement or recognition of revenue; as such, a cumulative effect adjustment to opening retained earnings was not deemed necessary. Results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts were not adjusted and continue to be reported in accordance with our historic accounting under ASC 605. ASC 606 does not apply to revenue associated with financial instruments, including revenue from loans and securities and certain noninterest income streams such as fees associated with mortgage servicing rights, financial guarantees, derivatives and certain credit card fees are also not in scope. ASC 606 is applicable to noninterest revenue streams such as trust and asset management income, deposit related fees and annuity and insurance commissions; however, the recognition of these revenue streams did not change significantly upon adoption of ASC 606.

Insurance and Other Financial Services Revenue

Insurance and other financial services revenue primarily consists of commissions received on insurance and brokered investment product sales. The Company acts as an intermediary between the Company’s customer and the insurance carrier. The Company’s performance obligation is generally satisfied upon the issuance of the annuity policy and the Company generally recognizes revenue. Shortly after the policy is issued, the carrier remits the commission payment to the Company. The Company does not earn a significant amount of trailing commission fees on insurance or brokered investment product sales. The majority of the trailing commission fees are calculated based on a percentage of market value of a period end and revenue is recognized when an investment product’s market value can be determined.

Service Charges on Deposit Accounts

Service charges on deposit accounts consist of overdraft fees, monthly service fees, check orders and other deposit account related fees. Overdraft, monthly service, check orders and other deposit account related fees are transactional based, and therefore, the Company’s performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges on deposit accounts is primarily received immediately or in the following month through a direct charge to customers’ accounts.

ATM and Debit Card Fees

ATM fees are primarily generated when a Company cardholder uses a non-Company ATM or a non-Company cardholder uses a Company ATM. Debit card income is primarily comprised of interchange fees earned whenever the Company’s debit cards are processed through card payment networks. The Company’s performance obligations for these revenue streams are satisfied, and related revenue recognized, when the services are rendered or upon completion of a transaction. Payment is typically received immediately or in the following month through a direct charge to customer’s accounts.

Retirement Plan Administration Fees

Retirement plan administration fees are primarily generated for services related to the recordkeeping, administration and plan design solutions of defined benefit, defined contribution and revenue sharing plans. Revenue is recognized for services provided in accordance with fees established in contracts with customers or based on rates agreed to with investment trade platforms based on ending investment balances held. The Company’s performance obligation is satisfied, and related revenue recognized based on services completed or ending investment balances, for which receivables are recorded at the time of revenue recognition.

Trust

Trust and asset management income is primarily comprised of fees earned from the management and administration of trusts, pensions and other customer assets. The Company’s performance obligation is generally satisfied with the resulting fees recognized monthly, based upon services completed or the month-end market value of the assets under management and the applicable fee rate. Payment is generally received shortly after services are rendered or a few days after month end through a direct charge to customers’ accounts. The Company does not earn performance-based incentives.

Other

Other noninterest income consists of other recurring revenue streams such as account and loan fees, interest rate swap fees, safety deposit box rental fees and other miscellaneous revenue streams. These revenue streams are primarily transactional based and payment is received immediately or in the following month. The Company’s performance obligation is satisfied and related revenue recognized at the completion of a transaction.

The following table presents noninterest income, segregated by revenue streams in-scope and out-of-scope of ASC 606, for three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2018		2017		2018		2017
Noninterest income
In-Scope of ASC 606:
Insurance and other financial services revenue	$	5,826	$	5,621	$	12,330	$	12,391
Service charges on deposit accounts		4,246		4,161		8,218		8,138
ATM and debit card fees		5,816		5,518		11,089		10,468
Retirement plan administration fees		7,296		5,437		12,635		9,609
Trust		5,265		5,161		10,143		9,693
Other		4,401		3,186		8,293		6,124
Total noninterest income in-scope of ASC 606	$	32,850	$	29,084	$	62,708	$	56,423
Total noninterest income out-of-scope of ASC 606	$	1,308	$	1,220	$	2,727	$	2,631
Total noninterest income	$	34,158	$	30,304	$	65,435	$	59,054

Contract Balances

A contract asset balance occurs when an entity performs a service for a customer before the customer pays consideration or before payment is due, which would result in contract receivables or assets, respectively. A contract liability balance is an entity’s obligation to transfer a service to a customer for which the entity has already received payment or for which payment is due from the customer. The Company’s noninterest revenue streams are largely based on transactional activity, or standard month-end revenue accruals such as asset management fees based on month-end market values. Consideration is often received immediately or shortly after the Company satisfies its performance obligation and revenue is recognized. The Company does not typically enter into long-term revenue contracts with customers, and therefore, does not experience significant contract balances. As of June 30, 2018 and December 31, 2017, the Company did not have any significant contract balances.

Contract Acquisition Costs

ASC 606 requires the capitalization, and subsequently amortization into expense, certain incremental costs of obtaining a contract with a customer if these costs are expected to be recovered. The incremental costs of obtaining a contract are those costs that an entity incurs to obtain a contract with a customer that it would not have incurred if the contract had not been obtained. The Company elected the practical expedient, which allows immediate expensing of contract acquisition costs when the asset that would have resulted from capitalizing these costs would have been amortized in one year or less, and did not capitalize any contract acquisition costs upon adoption of ASC 606 as of or during the three and six months ended June 30, 2018.

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Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2018

Recent Accounting Pronouncements [Abstract]

Recent Accounting Pronouncements

11. Recent Accounting Pronouncements

Recently Adopted Accounting Standards

Effective January 1, 2018, the Company early adopted the provisions of FASB ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, which was issued in February 2018. ASU 2018-02 allows a reclassification from AOCI to retained earnings for stranded tax effects resulting from the newly enacted federal corporate income tax rate in the Tax Act. The Tax Act included a reduction to the Federal corporate income tax rate from 35% to 21% effective January 1, 2018. The amount of the reclassification from AOCI to retained earnings is the difference between the historical corporate income tax rate and the newly enacted rate and will be accounted for as a cumulative-effect adjustment to the balance sheet. The adoption of ASU 2018-02 resulted in a reclassification that decreased AOCI and increased retained earnings by $5.6 million, with no net effect on total stockholders' equity. The Company utilizes the individual securities approach when releasing income tax effects from AOCI for its investment securities.

Effective January 1, 2018, the Company early adopted the provisions of FASB ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, which was issued in August 2017. ASU 2017-12 better aligns the accounting and reporting of hedging relationships with the economics of risk management activities. The amendments of ASU 2017-12 were applied on a modified retrospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-09, Compensation-Stock Compensation (Topic 718), which was issued in May 2017. ASU 2017-09 provides guidance about which changes to the terms and conditions of a share-based payment award require an entity to apply modification accounting. The amendments of ASU 2017-09 were applied on a prospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-07, Compensation – Retirement Benefits (Topic 715), which was issued in March 2017. ASU 2017-07 requires the service cost component of net periodic pension and post-retirement benefit cost to be reported separately in the consolidated statements of income from the other components. Additionally, the amendments in the ASU require presentation of the service cost component in the consolidated statements of income in the same line item as other employee compensation costs and presentation of the other components in a different line item from the service cost component. The amendments in ASU 2017-07 were applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic post-retirement benefit cost in the income statement. The adoption of ASU 2017-07 resulted in the reclassification of $0.4 million and $0.8 million of other components of net benefit cost from salaries and employee benefits expense to other noninterest expense for the three and six months ended June 30, 2017, respectively.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-05, Other Income – Gains and Losses from the Derecognition of Nonfinancial Assets (Subtopic 610-20), which was issued in February 2017. ASU 2017-05 clarifies the scope of ASC Subtopic 610-20 and adds guidance for partial sales of nonfinancial assets. The amendments define the term in substance nonfinancial assets and clarify that a nonfinancial asset within the scope may include nonfinancial assets transferred within a legal entity to a counterparty, in part, as a financial asset promised to a counterparty in a contract. Additionally, the amendments in the ASU clarify that an entity should identify each distinct nonfinancial asset or in substance nonfinancial assets and allocate consideration to each distinct asset. The amendments of ASU 2017-05 were applied on a modified retrospective basis and adoption did not have a significant impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business, which was issued in January 2017. ASU 2017-01 provides a more robust framework to use in determining when a set of assets and activities is a business and to address stakeholder feedback that the definition of a business in current GAAP is applied too broadly. The primary amendments in the ASU provide a screen to exclude transactions where substantially all of the fair value of the transferred set is concentrated in a single asset, or group of similar assets, from being evaluated as a business. The amendments of ASU 2017-01 were applied on a prospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments), issued in August 2016. ASU 2016-15 addresses diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. This standard addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies; distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. The amendments of ASU 2016-15 were applied on a retrospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10) – Recognition and Measurement of Financial Assets and Financial Liabilities, which was issued in January 2016. ASU 2016-01 addresses certain aspects of recognition, measurement, presentation and disclosure of financial instruments and requires entities to measure equity investments that do not result in consolidation and are not accounted for under the equity method at fair value. Any changes in fair value on equity investments with readily determinable market value will be recognized in net income unless the investments qualify for a new practicability exception. This ASU also requires entities to recognize changes in instrument-specific credit risk related to financial liabilities measured under the fair value option in OCI. The fair value measurement of loans was modified, with no significant impact, to incorporate illiquidity risk and other market factors in addition to credit risk in order to calculate the exit price fair value in accordance with ASC 820 as required by ASU 2016-01. The adoption of ASU 2016-01 did not have a significant impact on the consolidated financial statements and related disclosures and resulted in a reclassification that decreased AOCI and increased retained earnings by $2.6 million and had an immaterial effect on total stockholders' equity, equity securities and other assets.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2014-09, which was issued in May 2014. ASU 2014-09 is a comprehensive new revenue recognition standard that superseded nearly all previous revenue recognition guidance under GAAP and is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects consideration to which the entity expects to be entitled in exchange for those goods and services. The ASU requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The adoption included ASU 2014-09 and all related updated to clarify ASU 2014-09, including ASU 2016-08, Principal versus Agent Considerations (Reporting Revenue Gross versus Net), ASU 2016-10, Identifying Performance Obligations and Licensing, ASU 2016-12, Narrow-Scope Improvements and Practical Expedients, and ASU 2016-20, Technical Corrections and Improvements to Topic 606 - Revenue from Contract with Customers.

Management determined that the majority of revenue earned by the Company is from revenue streams not included in the scope of this standard such as interest earned from loans, investment securities and bank owned life insurance income. For applicable revenue streams such as ATM and debit card fees, insurance, other financial services revenue, service charges on deposit accounts, retirement plan administration fees and trust fees, management reviewed the applicable contracts provisions and applied the principles in the new standard for revenue recognition. The amendments of ASU 2014-09 were applied on a modified retrospective basis. There was no cumulative effect adjustment as of January 1, 2018. The adoption of ASU 2014-09 and all related ASU updates to ASC 606 did not have a significant impact on the consolidated financial statements and related disclosures as of and for three and six months ended June 30, 2018. Refer to footnote 10, Revenue from Contracts with Customers, for more information.

Accounting Standards Issued Not Yet Adopted

In February 2018, the FASB issued ASU 2018-03, Technical Correction and Improvement to Financial Instruments – Overall (Subtopic 825-10), to clarify certain aspects of the guidance issued in ASU 2016-01. The provisions of ASU 2018-03 are effective July 1, 2018 for interim financial statements but may be early adopted in any interim period starting January 1, 2018 as long as ASU 2016-01 is also adopted. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures and does not expect the impact to be material.

In March 2017, the FASB issued ASU 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20). ASU 2017-08 requires amortization of premiums to the earliest call date on debt securities with call features that are explicit, on contingent and callable at fixed prices on present dates. The ASU does not impact securities held at a discount; the discount continues to be amortized to the contractual maturity. The guidance is required to be applied with a modified retrospective approach through a cumulative effect adjustment to retained earnings as of the beginning of the period of adoption. ASU 2017-08 is effective for the Company on January 1, 2019. Early adoption is permitted. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures and does not expect the impact to be material.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ("CECL"). ASU 2016-13 introduces new guidance that make substantive changes to the accounting for credit losses. ASU 2016-13 introduces the CECL model, which applies to financial assets subject to credit losses and measured at amortized cost, as well as certain off-balance sheet credit exposures. This includes loans, loan commitments, standby letters of credit, net investments in leases recognized by a lessor and HTM debt securities. The CECL model requires an entity to estimate credit losses expected over the life of an exposure, considering information about historical events, current conditions and reasonable and supportable forecasts and is generally expected to result in earlier recognition of credit losses. ASU 2016-13 also modifies certain provisions of the current OTTI model for AFS debt securities. Credit losses on AFS debt securities will be limited to the difference between the security's amortized cost basis and its fair value and will be recognized through an allowance for credit losses rather than as a direct reduction in amortized cost basis. ASU 2016-13 also provides for a simplified accounting model for purchased financial assets with more than insignificant credit deterioration since their origination. ASU 2016-13 requires expanded disclosures including, but not limited to, (i) information about the methods and assumptions used to estimate expected credit losses, including changes in the factors that influenced management's estimate and the reasons for those changes, (ii) for financing receivables and net investment in leases measured at amortized cost, further disaggregation of information about the credit quality of those assets and (iii) a rollforward of the allowance for credit losses for HTM and AFS securities. ASU 2016-13 is effective for the Company on January 1, 2020. Early adoption is permitted for all organizations for fiscal years and interim periods within those fiscal years, beginning after December 15, 2018; however, the Company does not intend to early adopt this ASU. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures, processes and controls and is not currently able to reasonably estimate the impact of adoption on the Company's consolidated financial statements; however, adoption is likely to lead to significant changes in accounting policies related to, and the methods employed in estimating the allowance for loan and lease losses. It is possible that the impact will be material to the Company's consolidated financial statements. To date, the Company has completed a gap analysis, adopted a detailed implementation plan, established a formal governance structure for the project, selected and is in the process of implementing a software solution to serve as its CECL platform.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). ASU 2016-02 requires lessees to recognize right of use assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize a right of use asset and lease liability. Additionally, when measuring assets and liabilities arising from a lease, optional payments should be included only if the lessee is reasonably certain to exercise an option to extend the lease, exercise a purchase option or not exercise an option to terminate the lease. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842): Land Easement Practical Expedient for Transition to Topic 842. ASU 2018-01 was issued to address concerns about the cost and complexity of complying with the transition provisions of ASU 2016-02. Both ASU 2016-02 and ASU 2018-01 are effective for the Company on January 1, 2019. Early adoption is permitted in any interim or annual period. Lessees and lessors are required to apply the provisions of ASU 2016-02 at the beginning of the earliest period presented using a modified retrospective approach. Management is in the process of finalizing its evaluation of the impact of adoption of this ASU on its consolidated financial statements and related disclosures, processes and controls. The Company has acquired and is in the process of implementing software to facilitate calculation and reporting of the lease liability and right-of-use asset. The most significant impact of adoption is expected to be the recognition, as lessee, of new right-of-use assets and lease liabilities on the consolidated balance sheet for real estate leases currently classified as operating leases. At its November 29, 2017 meeting, the FASB proposed allowing entities the option of applying the provisions of ASU 2016-02 at the effective date without adjusting the comparative periods presented. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases. ASU 2018-10 was issued to provide more detailed guidance and additional clarification for implementing ASU 2016-02. Also in July 2018, the FASB issued ASU 2018-11, Targeted Improvements, which allows for an optional transition method in which the provisions of ASC Topic 842 would be applied upon the adoption date and would not have to be retroactively applied to the earliest reporting period presented in the consolidated financial statements. The Company is monitoring these and other proposed modifications to the requirements of this ASU.

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Description of Business (Policies)

6 Months Ended

Jun. 30, 2018

Description of Business [Abstract]

Nature of Operations

NBT Bancorp Inc. (the “Registrant” or the “Company”) is a registered financial holding company incorporated in the state of Delaware in 1986, with its principal headquarters located in Norwich, New York. The principal assets of the Registrant consist of all of the outstanding shares of common stock of its subsidiaries, including: NBT Bank, National Association (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), Hathaway Agency, Inc. and CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (collectively, the “Trusts”). The Company’s principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial and NBT Holdings.

The Company’s business, primarily conducted through the Bank but also through its other subsidiaries, consists of providing commercial banking, retail banking and wealth management services primarily to customers in its market area, which includes central and upstate New York, northeastern Pennsylvania, southern New Hampshire, western Massachusetts, Vermont and the southern coastal area of Maine. The Company has been, and intends to continue to be, a community-oriented financial institution offering a variety of financial services. The Company’s business philosophy is to operate as a community bank with local decision-making providing a broad array of banking and financial services to retail, commercial and municipal customers.

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2018

Basis of Presentation [Abstract]

Basis of Presentation

The accompanying unaudited interim consolidated financial statements include the accounts of the Registrant and its wholly owned subsidiaries, the Bank, NBT Financial and NBT Holdings. Collectively, the Registrant and its subsidiaries are referred to herein as “the Company.” The interim data includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods in accordance with generally accepted accounting principles in the United States of America (“GAAP”). These unaudited interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2017 Annual Report on Form 10-K. The results of operations for the interim periods are not necessarily indicative of the results that may be expected for the full year or any other interim period. All intercompany transactions have been eliminated in consolidation. Amounts in the prior period financial statements are reclassified whenever necessary to conform to current period presentation. The Company has evaluated subsequent events for potential recognition and/or disclosure and there were none identified.

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Securities (Policies)

6 Months Ended

Jun. 30, 2018

Securities [Abstract]

Investment, Policy

Declines in the fair value of HTM securities below their amortized cost, less any current period credit loss, that are deemed to be other-than-temporary are reflected in earnings as realized losses or in other comprehensive income ("OCI"). This classification is dependent upon whether the Company intends to sell the security, or whether it is more likely than not that, the Company will be required to sell the security before recovery. The other-than-temporary impairment ("OTTI") shall be recognized in earnings equal to the entire difference between the investment's amortized cost basis and its fair value at the balance sheet date. If the Company does not intend to sell the security and it is not more likely than not that the Company will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the OTTI shall be separated into (i) the amount representing the credit loss and (ii) the amount related to all other factors. The amount of the total OTTI related to the credit loss shall be recognized in earnings. The amount of the total OTTI related to other factors shall be recognized in OCI, net of applicable taxes.

In estimating OTTI losses, management considers, among other things, (i) the length of time and the extent to which the fair value has been less than cost, (ii) the financial condition and near-term prospects of the issuer and (iii) the historical and implied volatility of the fair value of the security.

Management has the intent to hold the securities classified as HTM until they mature, at which time it is believed the Company will receive full value for the securities. The unrealized losses on HTM debt securities are due to increases in market interest rates over yields at the time the underlying securities were purchased. When necessary, the Company has performed a discounted cash flow analysis to determine whether it will receive the contractual principal and interest on certain securities. The fair value is expected to recover as the bond approaches its maturity date or repricing date or if market yields for such investments declines.

Management also has the intent to hold and will not be required to sell, the debt securities classified as AFS for a period sufficient for a recovery of cost, which may be until maturity. The unrealized losses on AFS debt securities are due to increases in market interest rates over the yields available at the time the underlying securities were purchased. When necessary, the Company has performed a discounted cash flow analysis to determine whether it will receive the contractual principal and interest on certain securities. For AFS debt securities, OTTI losses are recognized in earnings if the Company intends to sell the security. In other cases the Company considers the relevant factors noted above, as well as the Company's intent and ability to retain its investment for a period of time sufficient to allow for any anticipated recovery in market value and whether evidence exists to support a realizable value equal to or greater than the cost basis. Any impairment loss on an equity security is equal to the full difference between the cost basis and the fair value of the security.

Maturities of mortgage-backed, collateralized mortgage obligations and asset-backed securities are stated based on their estimated average lives. Actual maturities may differ from estimated average lives or contractual maturities because, in certain cases, borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

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Allowance for Loan Losses and Credit Quality of Loans (Policies)

6 Months Ended

Jun. 30, 2018

Allowance for Loan Losses and Credit Quality of Loans [Abstract]

Portfolio and Class Segments

Portfolio	Class - 2018	Class - 2017
Commercial Loans	Commercial and Industrial	Commercial
	Commercial Real Estate	Commercial Real Estate
	Business Banking	Agricultural
		Agricultural Real Estate
		Business Banking
Consumer Loans	Dealer Finance	Indirect
	Specialty Lending	Home Equity
	Direct	Direct
Residential Real Estate

Allowance for Loan Losses

Allowance for Loan Losses

The allowance for loan losses is maintained at a level estimated by management to provide adequately for probable incurred losses inherent in the current loan portfolio. The appropriateness of the allowance for loan losses is continuously monitored. It is assessed for appropriateness using a methodology designed to ensure the level of the allowance reasonably reflects the loan portfolio’s risk profile. It is evaluated to ensure that it is sufficient to absorb all reasonably estimable credit losses inherent in the current loan portfolio.

To develop and document a systematic methodology for determining the allowance for loan losses, the Company has divided the loan portfolio into three segments, each with different risk characteristics and methodologies for assessing risk. Those segments are further segregated between our loans accounted for under the amortized cost method (referred to as “originated” loans) and loans acquired in a business combination (referred to as “acquired” loans). Each portfolio segment is broken down into class segments where appropriate. Class segments contain unique measurement attributes, risk characteristics and methods for monitoring and assessing risk that are necessary to develop the allowance for loan losses. Unique characteristics such as borrower type, loan type, collateral type and risk characteristics define each class segment. 

During the first quarter of 2018, the Company adjusted the class segments within the portfolios to better align risk characteristics and reflect the monitoring and assessment of risks as the portfolios continue to evolve. Agricultural Non-Real Estate and Agricultural Real Estate were consolidated with Commercial and Commercial Real Estate, respectively. Agricultural loans are a type of commercial loan with some specific underwriting guidelines; however, as of March 31, 2018, the portfolio had decreased to less than 3% of the Commercial portfolio and separation was no longer warranted. The Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments. The growth in our Specialty Lending portfolio to 21% of Consumer Loans as of March 31, 2018 warranted evaluation of this class separately due to different risk characteristics from the Dealer Finance class segment. The Direct and Home Equity class segments were consolidated into Direct to reflect common management, similar underwriting and in-market focus. The change to the class segments in the allowance methodology did not have a significant impact on the allowance for loan losses. The following table illustrates the portfolio and class segments for the loan portfolio in 2018 compared to 2017:

Commercial Loans

The Company offers a variety of commercial loan products including commercial (non-real estate), commercial real estate, agricultural, agricultural real estate and business banking loans. The Company’s underwriting analysis for commercial loans typically includes credit verification, independent appraisals, a review of the borrower’s financial condition and a detailed analysis of the borrower’s underlying cash flows.

Commercial and Industrial ("C&I") – The Company offers a variety of loan options to meet the specific needs of our C&I customers including term loans, time notes and lines of credit. Such loans are made available to businesses for working capital needs such as inventory and receivables, business expansion, equipment purchases, livestock purchases and finance seasonal crop expenses. Generally, a collateral lien is placed on equipment or other assets owned by the borrower. These loans typically carry a higher risk than commercial real estate loans due to the nature of the underlying collateral, which can be business assets such as equipment, accounts receivable and perishable agricultural products, which are generally less liquid than real estate and exposed to industry price volatility. To reduce these risks, management also attempts to obtain personal guarantees of the borrowers or obtain government loan guarantees to provide further support. In 2018, the Commercial and Agricultural class segments were combined to create the C&I class segment.

Commercial Real Estate ("CRE") – The Company offers CRE loans to finance real estate purchases, refinancings, expansions and improvements to commercial and agricultural properties. CRE loans are made to finance the purchases and improvements of real property, which generally consists of real estate with completed structures. These CRE loans are secured by liens on the real estate, which may include both owner occupied and non-owner-occupied properties, such as apartments, commercial structures, health care facilities and other facilities. These loans are typically less risky than commercial loans, since they are secured by real estate. The Company's underwriting analysis includes credit verification, independent appraisals, a review of the borrower's financial condition and a detailed analysis of the borrower's underlying cash flows. These loans are typically originated in amounts of no more than 80% of the appraised value of the property and no more than 75% of the appraised value of the agricultural property. Government loan guarantees may be obtained to provide further support for agricultural property. In 2018, the Commercial Real Estate and Agricultural Real Estate class segments were combined to create the CRE segment.

Business Banking –The Company offers a variety of loan options to meet the specific needs of our Business Banking customers including term loans, Business Banking mortgages and lines of credit. Such loans are generally less than $750 thousand and are made available to businesses for working capital such as inventory and receivables, business expansion, equipment purchases and agricultural needs. Generally, a collateral lien is placed on assets owned by the borrower and can include real estate, equipment, inventory, receivables or other business assets. These loans carry a higher risk than C&I and CRE loans due to the smaller size of the borrower and lower levels of capital. To reduce these risks, the Company obtains personal guarantees of the owners for a majority of the loans.

Consumer Loans

The Company offers a variety of consumer loan products including Dealer Finance, Specialty Lending and Direct loans.

Dealer Finance – The Company maintains relationships with many dealers primarily in the communities that we serve. Through these relationships, the Company primarily finances the purchases of automobiles and recreational vehicles (such as campers, boats, etc.) indirectly through dealer relationships. Approximately 70% of the Dealer Finance relationships represent automobile financing. Most of these loans carry a fixed rate of interest with principal repayment terms typically ranging from three to six years, based upon the nature of the collateral and the size of the loan. The majority of Dealer Finance consumer loans are underwritten on a secured basis using the underlying collateral being financed. In 2018, the Indirect class segment was further separated into Dealer Finance and Specialty Lending class segments (see above and below).

Specialty Lending –The Company offers unsecured consumer loans across a national footprint originated through our relationships with national technology-driven consumer lending companies to finance such things as dental and medical procedures, K-12 tuition, solar energy installations and other consumer purpose loans. Advances of credit through this specialty lending business line are subject to the Company's underwriting standards including criteria such as FICO score and debt to income thresholds. In 2018, the Indirect class segment has been further separated into Dealer Finance (see above) and Specialty Lending class segments.

Direct – The Company offers a variety of consumer installment loans to finance vehicle purchases, mobile home purchases and personal expenditures. In addition to installment loans, the Company also offers personal lines of credit, overdraft protection, home equity lines of credit and second mortgage loans (loans secured by a lien position on one-to-four family residential real estate) to finance home improvements, debt consolidation, education and other uses. Most of the consumer installment loans carry a fixed rate of interest with principal repayment terms typically ranging from one to ten years, based upon the nature of the collateral and the size of the loan. For home equity loans, consumers are able to borrow up to 85% of the equity in their homes. These loans carry a higher risk than first mortgage residential loans as they are in a second position with respect to collateral. Consumer installment loans are often secured with collateral consisting of a perfected lien on the asset being purchased or a perfected lien on a consumer's deposit account. A minimal amount of consumer installment loans are unsecured, which carry a higher risk of loss. Risk is reduced through underwriting criteria, which include credit verification, appraisals, a review of the borrower's financial condition and personal cash flows. A security interest, with title insurance when necessary, is taken in the underlying real estate. In 2018, the Home Equity segment was consolidated into the Direct class segment.

Residential Real Estate

Residential real estate loans consist primarily of loans secured by a first or second mortgage on primary residences. We originate adjustable-rate and fixed-rate, one-to-four-family residential real estate loans for the construction, purchase or refinancing of a mortgage. These loans are collateralized by owner-occupied properties located in the Company’s market area. When market conditions are favorable, for longer term, fixed-rate residential real estate mortgages without escrow, the Company retains the servicing, but sells the right to receive principal and interest to Freddie Mac. This practice allows the Company to manage interest rate risk, liquidity risk and credit risk. Loans on one-to-four-family residential real estate are generally originated in amounts of no more than 85% of the purchase price or appraised value (whichever is lower) or have private mortgage insurance. Mortgage title insurance and hazard insurance are normally required. Construction loans have a unique risk, because they are secured by an incomplete dwelling. This risk is reduced through periodic site inspections, including one at each loan draw period.

Allowance for Loan Loss Calculation

For purposes of evaluating the adequacy of the allowance, the Company considers a number of significant factors that affect the collectability of the portfolio. For individually impaired loans, these include estimates of impairment, if any, which reflect the facts and circumstances that affect the likelihood of repayment of such loans as of the evaluation date. For homogeneous pools of loans, estimates of the Company’s exposure to credit loss reflect a current assessment of a number of factors, which could affect collectability. These factors include: past loss experience, size, trend, composition and nature of loans; changes in lending policies and procedures, including underwriting standards and collection, charge-offs and recoveries; trends experienced in nonperforming and delinquent loans; current economic conditions in the Company’s market; portfolio concentrations that may affect loss experienced across one or more components of the portfolio; the effect of external factors such as competition, legal and regulatory requirements; and the experience, ability and depth of lending management and staff. In addition, various regulatory agencies, as an integral component of their examination process, periodically review the Company’s allowance for loan losses. Such agencies may require the Company to make loan grade changes as well as recognize additions to the allowance based on their examinations.

After a thorough consideration of the factors discussed above, any required additions or reductions to the allowance for loan losses are made periodically by charges or credits to the provision for loan losses. These charges are necessary to maintain the allowance at a level that management believes is reflective of overall level of incurred loss in the portfolio. While management uses available information to recognize losses on loans, additions and reductions of the allowance may fluctuate from one reporting period to another. These fluctuations are reflective of changes in risk associated with portfolio content or changes in management’s assessment of any or all of the determining factors discussed above.

For acquired loans, to the extent that we experience deterioration in borrower credit quality resulting in a decrease in our expected cash flows subsequent to the acquisition of the loans, an allowance for loan losses is established based on our estimate of incurred losses at the balance sheet date. There was no allowance for loan losses for the acquired loan portfolio as of June 30, 2018 and December 31, 2017. Net charge-offs of acquired loans totaled approximately $0.1 million and $0.3 million during the three months ended June 30, 2018 and 2017, respectively and approximately $0.2 million and $0.7 million during the six months ended June 30, 2018 and 2017, respectively and are included in the table above.

Credit Quality of Loans

For all loan classes within the Company's loan portfolio, loans are placed on nonaccrual status when timely collection of principal and/or interest in accordance with contractual terms is in doubt. Loans are transferred to nonaccrual status generally when principal or interest payments become ninety days delinquent, unless the loan is well-secured and in the process of collection or sooner when management concludes circumstances indicate that borrowers may be unable to meet contractual principal or interest payments. When a loan is transferred to a nonaccrual status, all interest previously accrued in the current period but not collected is reversed against interest income in that period. Interest accrued in a prior period and not collected is charged-off against the allowance for loan losses.

If ultimate repayment of a nonaccrual loan is expected, any payments received are applied in accordance with contractual terms. If ultimate repayment of principal is not expected, any payment received on a nonaccrual loan is applied to principal until ultimate repayment becomes expected. For all loan classes within the Company's loan portfolio, nonaccrual loans are returned to accrual status when they become current as to principal and interest and demonstrate a period of performance under the contractual terms and, in the opinion of management, are fully collectible as to principal and interest. For loans in all portfolios, the principal amount is charged off in full or in part as soon as management determines, based on available facts, that the collection of principal in full or in part is improbable. For commercial loans, management considers specific facts and circumstances relative to individual credits in making such a determination. For consumer and residential loan classes, management uses specific guidance and thresholds from the Federal Financial Institutions Examination Council’s Uniform Retail Credit Classification and Account Management Policy.

Impaired Loans

The methodology used to establish the allowance for loan losses on impaired loans incorporates specific allocations on loans analyzed individually. Classified loans, including all trouble debt restructured loans ("TDRs") and nonaccrual commercial loans that are graded Substandard, Doubtful or Loss, with outstanding balances of $750 thousand or more are evaluated for impairment through the Company’s quarterly status review process. The Company considers commercial loans less than $750 thousand to be homogeneous loans. In determining that we will be unable to collect all principal and/or interest payments due in accordance with the contractual terms of the loan agreements, we consider factors such as payment history and changes in the financial condition of individual borrowers, local economic conditions, historical loss experience and the conditions of the various markets in which the collateral may be liquidated. For loans that are identified as impaired, impairment is measured by one of three methods: 1) the fair value of collateral less cost to sell, 2) present value of expected future cash flows or 3) the loan’s observable market price. These impaired loans are reviewed on a quarterly basis for changes in the level of impairment. Impaired amounts are charged off immediately if such amounts are determined by management to be uncollectable. Any change to the previously recognized impairment loss is recognized as a component of the provision for loan losses.

Credit Quality Indicators

The Company has developed an internal loan grading system to evaluate and quantify the Company’s loan portfolio with respect to quality and risk. The system focuses on, among other things, financial strength of borrowers, experience and depth of borrower’s management, primary and secondary sources of repayment, payment history, nature of the business and outlook on particular industries. The internal grading system enables the Company to monitor the quality of the entire loan portfolio on a consistent basis and provide management with an early warning system, enabling recognition and response to problem loans and potential problem loans.

Commercial Grading System

For commercial and agricultural loans, the Company uses a grading system that relies on quantifiable and measurable characteristics when available. This would include comparison of financial strength to available industry averages, comparison of transaction factors (loan terms and conditions) to loan policy and comparison of credit history to stated repayment terms and industry averages. Some grading factors are necessarily more subjective such as economic and industry factors, regulatory environment and management. Commercial loans are graded Doubtful, Substandard, Special Mention and Pass.

● Doubtful

A Doubtful loan has a high probability of total or substantial loss, but because of specific pending events that may strengthen the asset, its classification as a loss is deferred. Doubtful borrowers are usually in default, lack adequate liquidity or capital and lack the resources necessary to remain an operating entity. Pending events can include mergers, acquisitions, liquidations, capital injections, the perfection of liens on additional collateral, the valuation of collateral and refinancing. Generally, pending events should be resolved within a relatively short period and the ratings will be adjusted based on the new information. Nonaccrual treatment is required for Doubtful assets because of the high probability of loss.

● Substandard

Substandard loans have a high probability of payment default or they have other well-defined weaknesses. They require more intensive supervision by bank management. Substandard loans are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. For some Substandard loans, the likelihood of full collection of interest and principal may be in doubt and those loans should be placed on nonaccrual. Although Substandard assets in the aggregate will have a distinct potential for loss, an individual asset’s loss potential does not have to be distinct for the asset to be rated Substandard.

● Special Mention

Special Mention loans have potential weaknesses that may, if not checked or corrected, weaken the asset or inadequately protect the Company’s position at some future date. These loans pose elevated risk, but their weakness does not yet justify a Substandard classification. Borrowers may be experiencing adverse operating trends (i.e., declining revenues or margins) or may be struggling with an ill-proportioned balance sheet (i.e., increasing inventory without an increase in sales, high leverage, tight liquidity). Adverse economic or market conditions, such as interest rate increases or the entry of a new competitor, may also support a Special Mention rating. Although a Special Mention loan has a higher probability of default than a Pass asset, its default is not imminent.

● Pass

Loans graded as Pass encompass all loans not graded as Doubtful, Substandard or Special Mention. Pass loans are in compliance with loan covenants and payments are generally made as agreed. Pass loans range from superior quality to fair quality.

Business Banking Grading System

Business banking loans are graded as either Classified or Non-classified:

● Classified

Classified loans are inadequately protected by the current worth and paying capacity of the obligor or, if applicable, the collateral pledged. These loans have a well-defined weakness or weaknesses, which jeopardize the liquidation of the debt or in some cases make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Classified loans have a high probability of payment default or a high probability of total or substantial loss. These loans require more intensive supervision by management and are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. When the likelihood of full collection of interest and principal may be in doubt, Classified loans are considered to have a nonaccrual status. In some cases, Classified loans are considered uncollectable and of such little value that their continuance as assets is not warranted.

● Non-classified

Loans graded as Non-classified encompass all loans not graded as Classified. Non-classified loans are in compliance with loan covenants and payments are generally made as agreed.

Consumer and Residential Real Estate Grading System

Consumer and Residential Real Estate loans are graded as either Nonperforming or Performing. 

● Nonperforming

Nonperforming loans are loans that are 1) over 90 days past due and interest is still accruing or 2) on nonaccrual status.

● Performing

All loans not meeting any of these criteria are considered Performing.

Troubled Debt Restructuring

Troubled Debt Restructured Loans

When the Company modifies a loan in a trouble debt restructuring, such modifications include one or a combination of the following: an extension of the maturity date at a stated rate of interest lower than the current market rate for new debt with similar risk; temporary reduction in the interest rate or change in scheduled payment amount. Residential and consumer TDRs occurring during 2018 and 2017 were due to the reduction in the interest rate or extension of the term. Commercial TDRs during 2018 and 2017 were both a reduction of the interest rate and change in terms.

When the Company modifies a loan in a troubled debt restructuring, management measures for impairment, if any, based on the present value of the expected future cash flows, discounted at the contractual interest rate of the original loan agreement, except when the sole (remaining) source of repayment for the loan is the operation or liquidation of the collateral. In these cases, management uses the current fair value of the collateral, less selling costs. If management determines that the value of the modified loan is less than the recorded investment in the loan an impairment charge would be recognized.

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Defined Benefit Post-Retirement Plans (Policies)

6 Months Ended

Jun. 30, 2018

Defined Benefit Post-Retirement Plans [Abstract]

Postemployment Benefit Plans, Policy

The Company has a qualified, noncontributory, defined benefit pension plan (“the Plan”) covering substantially all of its employees at June 30, 2018. Benefits paid from the plan are based on age, years of service, compensation, social security benefits and are determined in accordance with defined formulas. The Company’s policy is to fund the Plan in accordance with Employee Retirement Income Security Act of 1974 standards. Assets of the Plan are invested in publicly traded stocks and mutual funds. 

In addition to the Plan, the Company also provides supplemental employee retirement plans to certain current and former executives. The Company also assumed supplemental retirement plans for certain current and former executives of Alliance Financial Corporation (“Alliance”) when the Company acquired Alliance.

These supplemental employee retirement plans and the Plan are collectively referred to herein as “Pension Benefits.”

In addition, the Company provides certain health care benefits for retired employees. Benefits are accrued over the employees’ active service period. Only employees that were employed by the Company on or before January 1, 2000 are eligible to receive post-retirement health care benefits. In addition, the Company assumed post-retirement medical life insurance benefits for certain Alliance employees, retirees and their spouses, if applicable, in the Alliance acquisition. These post-retirement benefits are referred to herein as “Other Benefits.”

The service cost component of the net periodic (benefit) cost is included in Salaries and Employee Benefits and the interest cost, expected return on plan assets and net amortization components are including in Other Noninterest Expense on the unaudited interim consolidated statements of income.

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Earnings Per Share (Policies)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

Basic earnings per share ("EPS") excludes dilution and is computed by dividing income available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity (such as the Company’s dilutive stock options and restricted stock units).

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Fair Value Measurements and Fair Value of Financial Instruments (Policies)

6 Months Ended

Jun. 30, 2018

Fair Value Measurements and Fair Value of Financial Instruments [Abstract]

Fair Value of Financial Instruments, Policy

GAAP states that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. Fair value measurements are not adjusted for transaction costs. A fair value hierarchy exists within GAAP that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below:

Level 1 - Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

Level 2 - Quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability;

Level 3 - Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The types of instruments valued based on quoted market prices in active markets include most U.S. government and agency securities, many other sovereign government obligations, liquid mortgage products, active listed equities and most money market securities. Such instruments are generally classified within Level 1 or Level 2 of the fair value hierarchy. The Company does not adjust the quoted prices for such instruments.

The types of instruments valued based on quoted prices in markets that are not active, broker or dealer quotations or alternative pricing sources with reasonable levels of price transparency include most investment-grade and high-yield corporate bonds, less liquid mortgage products, less liquid agency securities, less liquid listed equities, state, municipal and provincial obligations and certain physical commodities. Such instruments are generally classified within Level 2 of the fair value hierarchy. Certain common equity securities are reported at fair value utilizing Level 1 inputs (exchange quoted prices). Other investment securities are reported at fair value utilizing Level 1 and Level 2 inputs. The prices for Level 2 instruments are obtained through an independent pricing service or dealer market participants with whom the Company has historically transacted both purchases and sales of investment securities. Prices obtained from these sources include prices derived from market quotations and matrix pricing. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond's terms and conditions, among other things. Management reviews the methodologies used in pricing the securities by its third party providers.

Level 3 is for positions that are not traded in active markets or are subject to transfer restrictions, valuations are adjusted to reflect illiquidity and/or non-transferability and such adjustments are generally based on available market evidence. In the absence of such evidence, management’s best estimate will be used. Management’s best estimate consists of both internal and external support on certain Level 3 investments. Subsequent to inception, management only changes Level 3 inputs and assumptions when corroborated by evidence such as transactions in similar instruments, completed or pending third-party transactions in the underlying investment or comparable entities, subsequent rounds of financing, recapitalizations and other transactions across the capital structure, offerings in the equity or debt markets and changes in financial ratios or cash flows.

GAAP requires disclosure of assets and liabilities measured and recorded at fair value on a non-recurring basis such as goodwill, loans held for sale, other real estate owned, collateral-dependent impaired loans, mortgage servicing rights and HTM securities. The only non-recurring fair value measurements recorded during the three and six month periods ended June 30, 2018 and December 31, 2017 were related to impaired loans, write-down of other real estate owned and impairments of goodwill and intangible assets. The Company uses the fair value of underlying collateral, less costs to sell, to estimate the specific reserves for collateral dependent impaired loans. The appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses ranging from 10% to 35%. Based on the valuation techniques used, the fair value measurements for collateral dependent impaired loans are classified as Level 3.

Interest Rate Swaps

The Company enters into interest rate swaps to facilitate customer transactions and meet their financing needs. These swaps are considered derivatives, but are not designated in hedging relationships. These instruments have interest rate and credit risk associated with them. To mitigate the interest rate risk, the Company enters into offsetting interest rate swaps with counterparties. The counterparty swaps are also considered derivatives and are also not designated in hedging relationships. Interest rate swaps are recorded within other assets or other liabilities on the unaudited interim consolidated balance sheet at their estimated fair value. Changes to the fair value of assets and liabilities arising from these derivatives are included, net, in other operating income in the unaudited interim consolidated statement of income.

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 any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. 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. For example, the Company has a substantial trust and investment management operation that contributes net fee income annually. The trust and investment management operation is not considered a financial instrument and its value has not been incorporated into the fair value estimates. Other significant assets and liabilities include the benefits resulting from the low-cost funding of deposit liabilities as compared to the cost of borrowing funds in the market and premises and equipment. 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 estimate of fair value.

HTM Securities

The fair value of the Company’s investment HTM securities is primarily measured using information from a third party pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things.

Net Loans

The fair value of the Company’s loans was estimated by discounting the expected future cash flows using the current interest rates at which similar loans would be made for the same remaining maturities, in accordance with the exit price notion as defined by Financial Accounting Standards Board ("FASB") Accounting Standard Codification ("ASC") 820, Fair Value Measurement ("ASC 820"). Loans were first segregated by type and then further segmented into fixed and variable rate and loan quality categories. Expected future cash flows were projected based on contractual cash flows, adjusted for estimated prepayments and as a result of the adoption of Accounting Standard Update ("ASU") 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities, which also included credit risk, illiquidity risk and other market factors to calculate the exit price fair value in accordance with ASC 820. Upon adoption, ASU 2016-01 did not materially change the estimated fair value of loans.

Time Deposits

The fair value of time deposits was estimated using a discounted cash flow approach that applies prevailing market interest rates for similar maturity instruments. The fair values of the Company’s time deposit liabilities do not take into consideration the value of the Company’s long-term relationships with depositors, which may have significant value.

Long-Term Debt

The fair value of long-term debt was estimated using a discounted cash flow approach that applies prevailing market interest rates for similar maturity instruments.

Junior Subordinated Debt

The fair value of junior subordinated debt has been estimated using a discounted cash flow analysis.

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Revenue from Contracts with Customers (Policies)

6 Months Ended

Jun. 30, 2018

Revenue from Contracts with Customers [Abstract]

Revenue Recognition

Effective January 1, 2018, the Company adopted FASB ASU 2014-09, Revenue from Contracts with Customers (ASC Topic 606) ("ASC 606" and "ASU 2014-09"), and all subsequent ASUs that modified ASC 606. The implementation of ASC 606 did not have a material impact on the measurement or recognition of revenue; as such, a cumulative effect adjustment to opening retained earnings was not deemed necessary. Results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts were not adjusted and continue to be reported in accordance with our historic accounting under ASC 605. ASC 606 does not apply to revenue associated with financial instruments, including revenue from loans and securities and certain noninterest income streams such as fees associated with mortgage servicing rights, financial guarantees, derivatives and certain credit card fees are also not in scope. ASC 606 is applicable to noninterest revenue streams such as trust and asset management income, deposit related fees and annuity and insurance commissions; however, the recognition of these revenue streams did not change significantly upon adoption of ASC 606.

Insurance and Other Financial Services Revenue

Insurance and other financial services revenue primarily consists of commissions received on insurance and brokered investment product sales. The Company acts as an intermediary between the Company’s customer and the insurance carrier. The Company’s performance obligation is generally satisfied upon the issuance of the annuity policy and the Company generally recognizes revenue. Shortly after the policy is issued, the carrier remits the commission payment to the Company. The Company does not earn a significant amount of trailing commission fees on insurance or brokered investment product sales. The majority of the trailing commission fees are calculated based on a percentage of market value of a period end and revenue is recognized when an investment product’s market value can be determined.

Service Charges on Deposit Accounts

Service charges on deposit accounts consist of overdraft fees, monthly service fees, check orders and other deposit account related fees. Overdraft, monthly service, check orders and other deposit account related fees are transactional based, and therefore, the Company’s performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges on deposit accounts is primarily received immediately or in the following month through a direct charge to customers’ accounts.

ATM and Debit Card Fees

ATM fees are primarily generated when a Company cardholder uses a non-Company ATM or a non-Company cardholder uses a Company ATM. Debit card income is primarily comprised of interchange fees earned whenever the Company’s debit cards are processed through card payment networks. The Company’s performance obligations for these revenue streams are satisfied, and related revenue recognized, when the services are rendered or upon completion of a transaction. Payment is typically received immediately or in the following month through a direct charge to customer’s accounts.

Retirement Plan Administration Fees

Retirement plan administration fees are primarily generated for services related to the recordkeeping, administration and plan design solutions of defined benefit, defined contribution and revenue sharing plans. Revenue is recognized for services provided in accordance with fees established in contracts with customers or based on rates agreed to with investment trade platforms based on ending investment balances held. The Company’s performance obligation is satisfied, and related revenue recognized based on services completed or ending investment balances, for which receivables are recorded at the time of revenue recognition.

Trust

Trust and asset management income is primarily comprised of fees earned from the management and administration of trusts, pensions and other customer assets. The Company’s performance obligation is generally satisfied with the resulting fees recognized monthly, based upon services completed or the month-end market value of the assets under management and the applicable fee rate. Payment is generally received shortly after services are rendered or a few days after month end through a direct charge to customers’ accounts. The Company does not earn performance-based incentives.

Other

Other noninterest income consists of other recurring revenue streams such as account and loan fees, interest rate swap fees, safety deposit box rental fees and other miscellaneous revenue streams. These revenue streams are primarily transactional based and payment is received immediately or in the following month. The Company’s performance obligation is satisfied and related revenue recognized at the completion of a transaction.

Contract Balances

A contract asset balance occurs when an entity performs a service for a customer before the customer pays consideration or before payment is due, which would result in contract receivables or assets, respectively. A contract liability balance is an entity’s obligation to transfer a service to a customer for which the entity has already received payment or for which payment is due from the customer. The Company’s noninterest revenue streams are largely based on transactional activity, or standard month-end revenue accruals such as asset management fees based on month-end market values. Consideration is often received immediately or shortly after the Company satisfies its performance obligation and revenue is recognized. The Company does not typically enter into long-term revenue contracts with customers, and therefore, does not experience significant contract balances. As of June 30, 2018 and December 31, 2017, the Company did not have any significant contract balances.

Contract Acquisition Costs

ASC 606 requires the capitalization, and subsequently amortization into expense, certain incremental costs of obtaining a contract with a customer if these costs are expected to be recovered. The incremental costs of obtaining a contract are those costs that an entity incurs to obtain a contract with a customer that it would not have incurred if the contract had not been obtained. The Company elected the practical expedient, which allows immediate expensing of contract acquisition costs when the asset that would have resulted from capitalizing these costs would have been amortized in one year or less, and did not capitalize any contract acquisition costs upon adoption of ASC 606 as of or during the three and six months ended June 30, 2018.

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Recent Accounting Pronouncements (Policies)

6 Months Ended

Jun. 30, 2018

Recent Accounting Pronouncements [Abstract]

Recent Accounting Pronouncements

Recently Adopted Accounting Standards

Effective January 1, 2018, the Company early adopted the provisions of FASB ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, which was issued in February 2018. ASU 2018-02 allows a reclassification from AOCI to retained earnings for stranded tax effects resulting from the newly enacted federal corporate income tax rate in the Tax Act. The Tax Act included a reduction to the Federal corporate income tax rate from 35% to 21% effective January 1, 2018. The amount of the reclassification from AOCI to retained earnings is the difference between the historical corporate income tax rate and the newly enacted rate and will be accounted for as a cumulative-effect adjustment to the balance sheet. The adoption of ASU 2018-02 resulted in a reclassification that decreased AOCI and increased retained earnings by $5.6 million, with no net effect on total stockholders' equity. The Company utilizes the individual securities approach when releasing income tax effects from AOCI for its investment securities.

Effective January 1, 2018, the Company early adopted the provisions of FASB ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, which was issued in August 2017. ASU 2017-12 better aligns the accounting and reporting of hedging relationships with the economics of risk management activities. The amendments of ASU 2017-12 were applied on a modified retrospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-09, Compensation-Stock Compensation (Topic 718), which was issued in May 2017. ASU 2017-09 provides guidance about which changes to the terms and conditions of a share-based payment award require an entity to apply modification accounting. The amendments of ASU 2017-09 were applied on a prospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-07, Compensation – Retirement Benefits (Topic 715), which was issued in March 2017. ASU 2017-07 requires the service cost component of net periodic pension and post-retirement benefit cost to be reported separately in the consolidated statements of income from the other components. Additionally, the amendments in the ASU require presentation of the service cost component in the consolidated statements of income in the same line item as other employee compensation costs and presentation of the other components in a different line item from the service cost component. The amendments in ASU 2017-07 were applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic post-retirement benefit cost in the income statement. The adoption of ASU 2017-07 resulted in the reclassification of $0.4 million and $0.8 million of other components of net benefit cost from salaries and employee benefits expense to other noninterest expense for the three and six months ended June 30, 2017, respectively.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-05, Other Income – Gains and Losses from the Derecognition of Nonfinancial Assets (Subtopic 610-20), which was issued in February 2017. ASU 2017-05 clarifies the scope of ASC Subtopic 610-20 and adds guidance for partial sales of nonfinancial assets. The amendments define the term in substance nonfinancial assets and clarify that a nonfinancial asset within the scope may include nonfinancial assets transferred within a legal entity to a counterparty, in part, as a financial asset promised to a counterparty in a contract. Additionally, the amendments in the ASU clarify that an entity should identify each distinct nonfinancial asset or in substance nonfinancial assets and allocate consideration to each distinct asset. The amendments of ASU 2017-05 were applied on a modified retrospective basis and adoption did not have a significant impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business, which was issued in January 2017. ASU 2017-01 provides a more robust framework to use in determining when a set of assets and activities is a business and to address stakeholder feedback that the definition of a business in current GAAP is applied too broadly. The primary amendments in the ASU provide a screen to exclude transactions where substantially all of the fair value of the transferred set is concentrated in a single asset, or group of similar assets, from being evaluated as a business. The amendments of ASU 2017-01 were applied on a prospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments), issued in August 2016. ASU 2016-15 addresses diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. This standard addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies; distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. The amendments of ASU 2016-15 were applied on a retrospective basis and adoption did not have an impact on the consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10) – Recognition and Measurement of Financial Assets and Financial Liabilities, which was issued in January 2016. ASU 2016-01 addresses certain aspects of recognition, measurement, presentation and disclosure of financial instruments and requires entities to measure equity investments that do not result in consolidation and are not accounted for under the equity method at fair value. Any changes in fair value on equity investments with readily determinable market value will be recognized in net income unless the investments qualify for a new practicability exception. This ASU also requires entities to recognize changes in instrument-specific credit risk related to financial liabilities measured under the fair value option in OCI. The fair value measurement of loans was modified, with no significant impact, to incorporate illiquidity risk and other market factors in addition to credit risk in order to calculate the exit price fair value in accordance with ASC 820 as required by ASU 2016-01. The adoption of ASU 2016-01 did not have a significant impact on the consolidated financial statements and related disclosures and resulted in a reclassification that decreased AOCI and increased retained earnings by $2.6 million and had an immaterial effect on total stockholders' equity, equity securities and other assets.

Effective January 1, 2018, the Company adopted the provisions of FASB ASU 2014-09, which was issued in May 2014. ASU 2014-09 is a comprehensive new revenue recognition standard that superseded nearly all previous revenue recognition guidance under GAAP and is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects consideration to which the entity expects to be entitled in exchange for those goods and services. The ASU requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The adoption included ASU 2014-09 and all related updated to clarify ASU 2014-09, including ASU 2016-08, Principal versus Agent Considerations (Reporting Revenue Gross versus Net), ASU 2016-10, Identifying Performance Obligations and Licensing, ASU 2016-12, Narrow-Scope Improvements and Practical Expedients, and ASU 2016-20, Technical Corrections and Improvements to Topic 606 - Revenue from Contract with Customers.

Management determined that the majority of revenue earned by the Company is from revenue streams not included in the scope of this standard such as interest earned from loans, investment securities and bank owned life insurance income. For applicable revenue streams such as ATM and debit card fees, insurance, other financial services revenue, service charges on deposit accounts, retirement plan administration fees and trust fees, management reviewed the applicable contracts provisions and applied the principles in the new standard for revenue recognition. The amendments of ASU 2014-09 were applied on a modified retrospective basis. There was no cumulative effect adjustment as of January 1, 2018. The adoption of ASU 2014-09 and all related ASU updates to ASC 606 did not have a significant impact on the consolidated financial statements and related disclosures as of and for three and six months ended June 30, 2018. Refer to footnote 10, Revenue from Contracts with Customers, for more information.

Accounting Standards Issued Not Yet Adopted

Accounting Standards Issued Not Yet Adopted

In February 2018, the FASB issued ASU 2018-03, Technical Correction and Improvement to Financial Instruments – Overall (Subtopic 825-10), to clarify certain aspects of the guidance issued in ASU 2016-01. The provisions of ASU 2018-03 are effective July 1, 2018 for interim financial statements but may be early adopted in any interim period starting January 1, 2018 as long as ASU 2016-01 is also adopted. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures and does not expect the impact to be material.

In March 2017, the FASB issued ASU 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20). ASU 2017-08 requires amortization of premiums to the earliest call date on debt securities with call features that are explicit, on contingent and callable at fixed prices on present dates. The ASU does not impact securities held at a discount; the discount continues to be amortized to the contractual maturity. The guidance is required to be applied with a modified retrospective approach through a cumulative effect adjustment to retained earnings as of the beginning of the period of adoption. ASU 2017-08 is effective for the Company on January 1, 2019. Early adoption is permitted. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures and does not expect the impact to be material.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ("CECL"). ASU 2016-13 introduces new guidance that make substantive changes to the accounting for credit losses. ASU 2016-13 introduces the CECL model, which applies to financial assets subject to credit losses and measured at amortized cost, as well as certain off-balance sheet credit exposures. This includes loans, loan commitments, standby letters of credit, net investments in leases recognized by a lessor and HTM debt securities. The CECL model requires an entity to estimate credit losses expected over the life of an exposure, considering information about historical events, current conditions and reasonable and supportable forecasts and is generally expected to result in earlier recognition of credit losses. ASU 2016-13 also modifies certain provisions of the current OTTI model for AFS debt securities. Credit losses on AFS debt securities will be limited to the difference between the security's amortized cost basis and its fair value and will be recognized through an allowance for credit losses rather than as a direct reduction in amortized cost basis. ASU 2016-13 also provides for a simplified accounting model for purchased financial assets with more than insignificant credit deterioration since their origination. ASU 2016-13 requires expanded disclosures including, but not limited to, (i) information about the methods and assumptions used to estimate expected credit losses, including changes in the factors that influenced management's estimate and the reasons for those changes, (ii) for financing receivables and net investment in leases measured at amortized cost, further disaggregation of information about the credit quality of those assets and (iii) a rollforward of the allowance for credit losses for HTM and AFS securities. ASU 2016-13 is effective for the Company on January 1, 2020. Early adoption is permitted for all organizations for fiscal years and interim periods within those fiscal years, beginning after December 15, 2018; however, the Company does not intend to early adopt this ASU. Management is evaluating the effect that this guidance will have on the consolidated financial statements and related disclosures, processes and controls and is not currently able to reasonably estimate the impact of adoption on the Company's consolidated financial statements; however, adoption is likely to lead to significant changes in accounting policies related to, and the methods employed in estimating the allowance for loan and lease losses. It is possible that the impact will be material to the Company's consolidated financial statements. To date, the Company has completed a gap analysis, adopted a detailed implementation plan, established a formal governance structure for the project, selected and is in the process of implementing a software solution to serve as its CECL platform.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). ASU 2016-02 requires lessees to recognize right of use assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize a right of use asset and lease liability. Additionally, when measuring assets and liabilities arising from a lease, optional payments should be included only if the lessee is reasonably certain to exercise an option to extend the lease, exercise a purchase option or not exercise an option to terminate the lease. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842): Land Easement Practical Expedient for Transition to Topic 842. ASU 2018-01 was issued to address concerns about the cost and complexity of complying with the transition provisions of ASU 2016-02. Both ASU 2016-02 and ASU 2018-01 are effective for the Company on January 1, 2019. Early adoption is permitted in any interim or annual period. Lessees and lessors are required to apply the provisions of ASU 2016-02 at the beginning of the earliest period presented using a modified retrospective approach. Management is in the process of finalizing its evaluation of the impact of adoption of this ASU on its consolidated financial statements and related disclosures, processes and controls. The Company has acquired and is in the process of implementing software to facilitate calculation and reporting of the lease liability and right-of-use asset. The most significant impact of adoption is expected to be the recognition, as lessee, of new right-of-use assets and lease liabilities on the consolidated balance sheet for real estate leases currently classified as operating leases. At its November 29, 2017 meeting, the FASB proposed allowing entities the option of applying the provisions of ASU 2016-02 at the effective date without adjusting the comparative periods presented. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases. ASU 2018-10 was issued to provide more detailed guidance and additional clarification for implementing ASU 2016-02. Also in July 2018, the FASB issued ASU 2018-11, Targeted Improvements, which allows for an optional transition method in which the provisions of ASC Topic 842 would be applied upon the adoption date and would not have to be retroactively applied to the earliest reporting period presented in the consolidated financial statements. The Company is monitoring these and other proposed modifications to the requirements of this ASU.

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Securities (Tables)

6 Months Ended

Jun. 30, 2018

Securities [Abstract]

Amortized Cost, Estimated Fair Value, and Unrealized Gains and Losses of Securities Available for Sale

The amortized cost, estimated fair value and unrealized gains (losses) of available for sale ("AFS") securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
June 30, 2018
Federal agency	$	119,964	$	-	$	1,394	$	118,570
State & municipal		36,676		28		302		36,402
Mortgage-backed:
Government-sponsored enterprises		503,303		307		13,579		490,031
U.S. government agency securities		30,232		225		843		29,614
Collateralized mortgage obligations:
Government-sponsored enterprises		486,029		234		17,702		468,561
U.S. government agency securities		51,309		132		1,680		49,761
Total AFS securities	$	1,227,513	$	926	$	35,500	$	1,192,939
December 31, 2017
Federal agency	$	109,862	$	-	$	963	$	108,899
State & municipal		42,171		62		277		41,956
Mortgage-backed:
Government-sponsored enterprises		530,392		1,406		3,345		528,453
U.S. government agency securities		26,363		334		223		26,474
Collateralized mortgage obligations:
Government-sponsored enterprises		496,033		254		10,114		486,173
U.S. government agency securities		50,721		165		1,065		49,821
Equity securities		10,623		3,672		146		14,149
Total AFS securities	$	1,266,165	$	5,893	$	16,133	$	1,255,925

Amortized Cost, Estimated Fair Value, and Unrealized Gains and Losses of Securities Held to Maturity

The amortized cost, estimated fair value and unrealized gains (losses) of held to maturity ("HTM") securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
June 30, 2018
Mortgage-backed:
Government-sponsored enterprises	$	90,696	$	-	$	3,244	$	87,452
U.S. government agency securities		376		43		-		419
Collateralized mortgage obligations:
Government-sponsored enterprises		229,353		92		5,989		223,456
U.S. government agency securities		9,788		1		-		9,789
State & municipal		213,950		265		2,352		211,863
Total HTM securities	$	544,163	$	401	$	11,585	$	532,979
December 31, 2017
Mortgage-backed:
Government-sponsored enterprises	$	96,357	$	85	$	810	$	95,632
U.S. government agency securities		418		57		-		475
Collateralized mortgage obligations:
Government-sponsored enterprises		186,327		224		2,577		183,974
State & municipal		200,971		1,439		620		201,790
Total HTM securities	$	484,073	$	1,805	$	4,007	$	481,871

Investment Securities with Unrealized Losses

The following table sets forth information with regard to investment securities with unrealized losses segregated according to the length of time the securities had been in a continuous unrealized loss position:

	Less than 12 months							12 months or longer							Total
(In thousands)	Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions
As of June 30, 2018
AFS securities:
Federal agency	$	39,457	$	(526	)		4	$	79,113	$	(868	)		6	$	118,570	$	(1,394	)		10
State & municipal		23,273		(232	)		37		5,479		(70	)		8		28,752		(302	)		45
Mortgage-backed		432,173		(11,590	)		93		60,657		(2,832	)		26		492,830		(14,422	)		119
Collateralized mortgage obligations		233,086		(6,076	)		40		260,766		(13,306	)		46		493,852		(19,382	)		86
Total securities with unrealized losses	$	727,989	$	(18,424	)		174	$	406,015	$	(17,076	)		86	$	1,134,004	$	(35,500	)		260
HTM securities:
Mortgage-backed	$	56,920	$	(1,686	)		4	$	30,532	$	(1,558	)		2	$	87,452	$	(3,244	)		6
Collateralized mortgage obligations		149,776		(3,693	)		24		33,586		(2,296	)		6		183,362		(5,989	)		30
State & municipal		73,496		(1,310	)		110		15,665		(1,042	)		25		89,161		(2,352	)		135
Total securities with unrealized losses	$	280,192	$	(6,689	)		138	$	79,783	$	(4,896	)		33	$	359,975	$	(11,585	)		171
As of December 31, 2017
AFS securities:
Federal agency	$	64,653	$	(242	)		5	$	44,246	$	(721	)		4	$	108,899	$	(963	)		9
State & municipal		23,566		(200	)		39		5,994		(77	)		8		29,560		(277	)		47
Mortgage-backed		317,630		(2,381	)		55		58,316		(1,187	)		24		375,946		(3,568	)		79
Collateralized mortgage obligations		227,917		(2,658	)		35		275,303		(8,521	)		42		503,220		(11,179	)		77
Equity securities		-		-			-		2,959		(146	)		1		2,959		(146	)		1
Total securities with unrealized losses	$	633,766	$	(5,481	)		134	$	386,818	$	(10,652	)		79	$	1,020,584	$	(16,133	)		213
HTM securities:
Mortgage-backed	$	15,477	$	(140	)		2	$	33,703	$	(670	)		2	$	49,180	$	(810	)		4
Collateralized mortgage obligations		118,476		(1,064	)		17		37,614		(1,513	)		6		156,090		(2,577	)		23
State & municipal		22,387		(132	)		40		15,720		(488	)		24		38,107		(620	)		64
Total securities with unrealized losses	$	156,340	$	(1,336	)		59	$	87,037	$	(2,671	)		32	$	243,377	$	(4,007	)		91

Gains and Losses on Equity Securities

The following tables set forth information with regard to gains and losses on equity securities:

(In thousands)	Three months ended June 30, 2018		Six months ended June 30, 2018
Net gains and losses recognized on equity securities	$	91	$	163
Less: Net gains and losses recognized during the period on equity securities sold during the period		-		44
Unrealized gains and losses recognized on equity securities still held	$	91	$	119

Contractual Maturities of Debt Securities

The following tables set forth information with regard to contractual maturities of debt securities at June 30, 2018:

(In thousands)	Amortized Cost		Estimated Fair Value
AFS debt securities:
Within one year	$	79,927	$	79,698
From one to five years		78,012		76,566
From five to ten years		186,454		182,532
After ten years		883,120		854,143
Total AFS debt securities	$	1,227,513	$	1,192,939
HTM debt securities:
Within one year	$	51,786	$	51,786
From one to five years		50,159		50,281
From five to ten years		201,007		196,191
After ten years		241,211		234,721
Total HTM debt securities	$	544,163	$	532,979

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Allowance for Loan Losses and Credit Quality of Loans (Tables)

6 Months Ended

Jun. 30, 2018

Allowance for Loan Losses and Credit Quality of Loans [Abstract]

Portfolio and Class Segments

Portfolio	Class - 2018	Class - 2017
Commercial Loans	Commercial and Industrial	Commercial
	Commercial Real Estate	Commercial Real Estate
	Business Banking	Agricultural
		Agricultural Real Estate
		Business Banking
Consumer Loans	Dealer Finance	Indirect
	Specialty Lending	Home Equity
	Direct	Direct
Residential Real Estate

Allowance for Loan Losses by Portfolio

The following tables illustrate the changes in the allowance for loan losses by our portfolio segments:

(In thousands)	Commercial Loans			Consumer Loans			Residential Real Estate			Total
Balance as of March 31, 2018	$	28,190		$	36,973		$	5,037		$	70,200
Charge-offs		(907	)		(7,442	)		(208	)		(8,557	)
Recoveries		183			1,700			146			2,029
Provision		3,593			5,248			(63	)		8,778
Ending Balance as of June 30, 2018	$	31,059		$	36,479		$	4,912		$	72,450
Balance as of March 31, 2017	$	24,727		$	34,769		$	6,204		$	65,700
Charge-offs		(1,123	)		(6,261	)		(698	)		(8,082	)
Recoveries		206			1,199			10			1,415
Provision		618			5,816			1,133			7,567
Ending Balance as of June 30, 2017	$	24,428		$	35,523		$	6,649		$	66,600

(In thousands)	Commercial Loans			Consumer Loans			Residential Real Estate			Total
Balance as of December 31, 2017	$	27,606		$	36,830		$	5,064		$	69,500
Charge-offs		(1,712	)		(15,129	)		(390	)		(17,231	)
Recoveries		370			3,344			193			3,907
Provision		4,795			11,434			45			16,274
Ending Balance as of June 30, 2018	$	31,059		$	36,479		$	4,912		$	72,450
Balance as of December 31, 2016	$	25,444		$	33,375		$	6,381		$	65,200
Charge-offs		(2,417	)		(12,763	)		(1,296	)		(16,476	)
Recoveries		653			2,234			43			2,930
Provision		748			12,677			1,521			14,946
Ending Balance as of June 30, 2017	$	24,428		$	35,523		$	6,649		$	66,600

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments:

(In thousands)	Commercial Loans		Consumer Loans		Residential Real Estate		Total
As of June 30, 2018
Allowance for loan losses	$	31,059	$	36,479	$	4,912	$	72,450
Allowance for loans individually evaluated for impairment		25		-		-		25
Allowance for loans collectively evaluated for impairment	$	31,034	$	36,479	$	4,912	$	72,425
Ending balance of loans	$	3,190,556	$	2,317,746	$	1,350,761	$	6,859,063
Ending balance of originated loans individually evaluated for impairment		5,132		8,006		6,591		19,729
Ending balance of acquired loans collectively evaluated for impairment		162,216		36,865		158,908		357,989
Ending balance of originated loans collectively evaluated for impairment	$	3,023,208	$	2,272,875	$	1,185,262	$	6,481,345
As of December 31, 2017
Allowance for loan losses	$	27,606	$	36,830	$	5,064	$	69,500
Allowance for loans individually evaluated for impairment		57		-		-		57
Allowance for loans collectively evaluated for impairment	$	27,549	$	36,830	$	5,064	$	69,443
Ending balance of loans	$	3,028,269	$	2,234,809	$	1,321,695	$	6,584,773
Ending balance of originated loans individually evaluated for impairment		5,876		8,432		6,830		21,138
Ending balance of acquired loans collectively evaluated for impairment		187,313		43,906		170,472		401,691
Ending balance of originated loans collectively evaluated for impairment	$	2,835,080	$	2,182,471	$	1,144,393	$	6,161,944

Past Due and Nonperforming Loans by Loan Class

The following tables set forth information with regard to past due and nonperforming loans by loan class:

(In thousands)	31-60 Days Past Due Accruing		61-90 Days Past Due Accruing		Greater Than 90 Days Past Due Accruing		Total Past Due Accruing		Nonaccrual		Current		Recorded Total Loans
As of June 30, 2018
Originated
Commercial Loans:
C&I	$	1,395	$	394	$	-	$	1,789	$	1,041	$	833,557	$	836,387
CRE		1,846		-		-		1,846		4,085		1,704,773		1,710,704
Business Banking		1,089		540		-		1,629		6,047		473,573		481,249
Total Commercial Loans	$	4,330	$	934	$	-	$	5,264	$	11,173	$	3,011,903	$	3,028,340
Consumer Loans:
Dealer Finance	$	11,909	$	1,956	$	745	$	14,610	$	1,972	$	1,235,983	$	1,252,565
Specialty Lending		2,960		1,921		1,106		5,987		-		501,631		507,618
Direct		2,488		653		322		3,463		2,716		514,519		520,698
Total Consumer Loans	$	17,357	$	4,530	$	2,173	$	24,060	$	4,688	$	2,252,133	$	2,280,881
Residential Real Estate	$	2,477	$	746	$	36	$	3,259	$	5,600	$	1,182,994	$	1,191,853
Total Originated Loans	$	24,164	$	6,210	$	2,209	$	32,583	$	21,461	$	6,447,030	$	6,501,074
Acquired
Commercial Loans:
C&I	$	-	$	-	$	-	$	-	$	-	$	34,054	$	34,054
CRE		-		-		-		-		2		90,049		90,051
Business Banking		442		80		-		522		603		36,986		38,111
Total Commercial Loans	$	442	$	80	$	-	$	522	$	605	$	161,089	$	162,216
Consumer Loans:
Dealer Finance	$	5	$	-	$	-	$	5	$	14	$	259	$	278
Direct		227		44		-		271		314		36,002		36,587
Total Consumer Loans	$	232	$	44	$	-	$	276	$	328	$	36,261	$	36,865
Residential Real Estate	$	972	$	-	$	-	$	972	$	1,612	$	156,324	$	158,908
Total Acquired Loans	$	1,646	$	124	$	-	$	1,770	$	2,545	$	353,674	$	357,989
Total Loans	$	25,810	$	6,334	$	2,209	$	34,353	$	24,006	$	6,800,704	$	6,859,063

(In thousands)	31-60 Days Past Due Accruing		61-90 Days Past Due Accruing		Greater Than 90 Days Past Due Accruing		Total Past Due Accruing		Nonaccrual		Current		Recorded Total Loans
As of December 31, 2017
Originated
Commercial Loans:
Commercial	$	-	$	-	$	-	$	-	$	202	$	753,577	$	753,779
Commercial Real Estate		161		138		-		299		3,178		1,533,065		1,536,542
Agricultural		117		-		-		117		1,043		34,386		35,546
Agricultural Real Estate		493		-		-		493		2,736		30,905		34,134
Business Banking		1,907		597		-		2,504		5,304		473,147		480,955
Total Commercial Loans	$	2,678	$	735	$	-	$	3,413	$	12,463	$	2,825,080	$	2,840,956
Consumer Loans:
Indirect	$	18,747	$	4,033	$	3,492	$	26,272	$	2,115	$	1,642,664	$	1,671,051
Home Equity		2,887		854		341		4,082		2,736		448,081		454,899
Direct		341		108		70		519		35		64,399		64,953
Total Consumer Loans	$	21,975	$	4,995	$	3,903	$	30,873	$	4,886	$	2,155,144	$	2,190,903
Residential Real Estate	$	3,730	$	667	$	1,262	$	5,659	$	5,987	$	1,139,577	$	1,151,223
Total Originated Loans	$	28,383	$	6,397	$	5,165	$	39,945	$	23,336	$	6,119,801	$	6,183,082
Acquired
Commercial Loans:
Commercial	$	-	$	-	$	-	$	-	$	-	$	39,575	$	39,575
Commercial Real Estate		-		-		-		-		2		106,632		106,634
Business Banking		354		-		-		354		669		40,081		41,104
Total Commercial Loans	$	354	$	-	$	-	$	354	$	671	$	186,288	$	187,313
Consumer Loans:
Indirect	$	38	$	-	$	1	$	39	$	22	$	1,157	$	1,218
Home Equity		254		34		103		391		225		39,256		39,872
Direct		6		1		1		8		23		2,785		2,816
Total Consumer Loans	$	298	$	35	$	105	$	438	$	270	$	43,198	$	43,906
Residential Real Estate	$	627	$	226	$	140	$	993	$	1,431	$	168,048	$	170,472
Total Acquired Loans	$	1,279	$	261	$	245	$	1,785	$	2,372	$	397,534	$	401,691
Total Loans	$	29,662	$	6,658	$	5,410	$	41,730	$	25,708	$	6,517,335	$	6,584,773

Impaired Loans and Specific Reserve Allocations

The following table provides information on loans specifically evaluated for impairment:

	June 30, 2018							December 31, 2017
(In thousands)	Recorded Investment Balance (Book)		Unpaid Principal Balance (Legal)		Related Allowance			Recorded Investment Balance (Book)		Unpaid Principal Balance (Legal)		Related Allowance
Originated
With no related allowance recorded:
Commercial Loans:
C&I	$	412	$	681				$	-	$	-
CRE		3,665		5,585					-		-
Commercial		-		-					-		251
Commercial Real Estate		-		-					2,211		3,979
Agricultural		-		-					452		465
Agricultural Real Estate		-		-					2,250		2,423
Business Banking		1,030		2,104					860		1,730
Total Commercial Loans	$	5,107	$	8,370				$	5,773	$	8,848
Consumer Loans:
Dealer Finance	$	149	$	189				$	-	$	-
Direct		7,857		9,836					-		-
Indirect		-		-					131		143
Home Equity		-		-					8,027		9,966
Direct		-		-					274		274
Total Consumer Loans	$	8,006	$	10,025				$	8,432	$	10,383
Residential Real Estate	$	6,591	$	8,836				$	6,830	$	8,780
Total	$	19,704	$	27,231				$	21,035	$	28,011
With an allowance recorded:
Commercial Loans:
C&I	$	25	$	25		$	25	$	-	$	-		$	-
Commercial Real Estate		-		-			-		76		82			30
Agricultural		-		-			-		27		27			27
Total Commercial Loans	$	25	$	25		$	25	$	103	$	109		$	57
Total Loans	$	19,729	$	27,256		$	25	$	21,138	$	28,120		$	57

The following tables summarize the average recorded investments on loans specifically evaluated for impairment and the interest income recognized:

	For the three months ended
	June 30, 2018				June 30, 2017
(In thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Originated
Commercial Loans:
C&I	$	447	$	1	$	-	$	-
CRE		3,882		32		-		-
Commercial		-		-		3,931		-
Commercial Real Estate		-		-		3,243		1
Agricultural		-		-		157		1
Agricultural Real Estate		-		-		1,549		10
Business Banking		1,044		3		890		3
Total Commercial Loans	$	5,373	$	36	$	9,770	$	15
Consumer Loans:
Dealer Finance	$	194	$	1	$	-	$	-
Direct		7,952		106		-		-
Indirect		-		-		25		1
Home Equity		-		-		8,205		110
Direct		-		-		120		-
Total Consumer Loans	$	8,146	$	107	$	8,350	$	111
Residential Real Estate	$	6,738	$	71	$	6,388	$	68
Total Originated Loans	$	20,257	$	214	$	24,508	$	194
Total Loans	$	20,257	$	214	$	24,508	$	194

	For the six months ended
	June 30, 2018				June 30, 2017
(In thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Originated
Commercial Loans:
C&I	$	457	$	1	$	-	$	-
CRE		4,154		64		-		-
Commercial		-		-		3,419		-
Commercial Real Estate		-		-		4,584		45
Agricultural		-		-		165		1
Agricultural Real Estate		-		-		1,564		21
Business Banking		988		8		788		5
Total Commercial Loans	$	5,599	$	73	$	10,520	$	72
Consumer Loans:
Dealer Finance	$	188	$	4	$	-	$	-
Direct		8,066		215		-		-
Indirect		-		-		16		1
Home Equity		-		-		8,310		220
Direct		-		-		120		-
Total Consumer Loans	$	8,254	$	219	$	8,446	$	221
Residential Real Estate	$	6,815	$	144	$	6,308	$	129
Total Originated Loans	$	20,668	$	436	$	25,274	$	422
Acquired
Commercial Loans:
Commercial Real Estate	$	-	$	-	$	172	$	-
Total Commercial Loans	$	-	$	-	$	172	$	-
Total Acquired Loans	$	-	$	-	$	172	$	-
Total Loans	$	20,668	$	436	$	25,446	$	422

Financing Receivable Credit Quality by Loan Class

The following tables illustrate the Company’s credit quality by loan class:

(In thousands)	As of June 30, 2018
Originated
Commercial Credit Exposure By Internally Assigned Grade:		C&I	CRE		Total
Pass	$	773,097	$	1,658,780	$	2,431,877
Special Mention		46,153		14,720		60,873
Substandard		16,737		37,204		53,941
Doubtful		400		-		400
Total	$	836,387	$	1,710,704	$	2,547,091

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	469,660	$	469,660
Classified		11,589		11,589
Total	$	481,249	$	481,249

Consumer Credit Exposure By Payment Activity:	Dealer Finance		Specialty Lending		Direct		Total
Performing	$	1,249,848	$	506,512	$	517,660	$	2,274,020
Nonperforming		2,717		1,106		3,038		6,861
Total	$	1,252,565	$	507,618	$	520,698	$	2,280,881

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	1,186,217	$	1,186,217
Nonperforming		5,636		5,636
Total	$	1,191,853	$	1,191,853

Acquired

Commercial Credit Exposure By Internally Assigned Grade:		C&I	CRE		Total
Pass	$	28,989	$	88,818	$	117,807
Special Mention		5,019		564		5,583
Substandard		46		669		715
Total	$	34,054	$	90,051	$	124,105

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	35,691	$	35,691
Classified		2,420		2,420
Total	$	38,111	$	38,111

Consumer Credit Exposure By Payment Activity:	Dealer Finance		Direct		Total
Performing	$	264	$	36,273	$	36,537
Nonperforming		14		314		328
Total	$	278	$	36,587	$	36,865

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	157,296	$	157,296
Nonperforming		1,612		1,612
Total	$	158,908	$	158,908

(In thousands)	As of December 31, 2017
Originated
Commercial Credit Exposure By Internally Assigned Grade:	Commercial			Commercial Real Estate			Agricultural		Agricultural Real Estate			Total
Pass		$	708,567		$	1,481,926	$	31,142		$	23,381		$	2,245,016
Special Mention			30,337			28,264		2,294			2,441			63,336
Substandard			14,875			26,352		2,110			8,312			51,649
Total		$	753,779		$	1,536,542	$	35,546		$	34,134		$	2,360,001

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	468,898	$	468,898
Classified		12,057		12,057
Total	$	480,955	$	480,955

Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	1,665,444	$	451,822	$	64,848	$	2,182,114
Nonperforming		5,607		3,077		105		8,789
Total	$	1,671,051	$	454,899	$	64,953	$	2,190,903

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	1,143,974	$	1,143,974
Nonperforming		7,249		7,249
Total	$	1,151,223	$	1,151,223

Acquired
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Total
Pass	$	37,825	$	103,248	$	141,073
Special Mention		425		498		923
Substandard		1,325		2,888		4,213
Total	$	39,575	$	106,634	$	146,209

Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking		Total
Non-classified	$	38,236	$	38,236
Classified		2,868		2,868
Total	$	41,104	$	41,104

Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	1,195	$	39,544	$	2,792	$	43,531
Nonperforming		23		328		24		375
Total	$	1,218	$	39,872	$	2,816	$	43,906

Residential Real Estate Credit Exposure By Payment Activity:	Residential Real Estate		Total
Performing	$	168,901	$	168,901
Nonperforming		1,571		1,571
Total	$	170,472	$	170,472

Troubled Debt Restructurings on Financing Receivables

The following tables illustrate the recorded investment and number of modifications for modified loans, including the recorded investment in the loans prior to a modification and the recorded investment in the loans after restructuring:

	Three months ended June 30, 2018
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Business Banking		1	$	6	$	5
Total Commercial Loans		1	$	6	$	5
Consumer Loans:
Dealer Finance		1	$	13	$	13
Total Consumer Loans		1	$	13	$	13
Total Troubled Debt Restructurings		2	$	19	$	18

	Three months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Commercial		1	$	3,300	$	3,239
Business Banking		1		337		333
Total Commercial Loans		2	$	3,637	$	3,572
Consumer Loans:
Indirect		3	$	32	$	31
Home Equity		1		78		78
Direct		1		120		120
Total Consumer Loans		5	$	230	$	229
Residential Real Estate		4	$	346	$	346
Total Troubled Debt Restructurings		11	$	4,213	$	4,147

	Six months ended June 30, 2018
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Business Banking		3	$	369	$	371
Total Commercial Loans		3	$	369	$	371
Consumer Loans:
Dealer Finance		7	$	95	$	94
Direct		2		41		41
Total Consumer Loans		9	$	136	$	135
Residential Real Estate		5	$	323	$	323
Total Troubled Debt Restructurings		17	$	828	$	829

	Six months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial Loans:
Commercial		1	$	3,300	$	3,239
Business Banking		1		337		333
Total Commercial Loans		2	$	3,637	$	3,572
Consumer Loans:
Indirect		3	$	32	$	31
Home Equity		4		185		192
Direct		1		120		120
Total Consumer Loans		8	$	337	$	343
Residential Real Estate		6	$	548	$	554
Total Troubled Debt Restructurings		16	$	4,522	$	4,469

The following tables illustrate the recorded investment and number of modifications for TDRs where a concession has been made and subsequently defaulted during the period:

	Three months ended June 30, 2018				Three months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Commercial Loans:
Business Banking		1	$	58		1	$	329
Total Commercial Loans		1	$	58		1	$	329
Consumer Loans:
Indirect		-	$	-		1	$	14
Home Equity		-		-		13		589
Direct		13		495		-		-
Total Consumer Loans		13	$	495		14	$	603
Residential Real Estate		7	$	599		4	$	251
Total Troubled Debt Restructurings		21	$	1,152		19	$	1,183

	Six months ended June 30, 2018				Six months ended June 30, 2017
(Dollars in thousands)	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Commercial Loans:
Commercial		-	$	-		1	$	145
Business Banking		2		258		1		329
Total Commercial Loans		2	$	258		2	$	474
Consumer Loans:
Indirect		-	$	-		2	$	19
Home Equity		-		-		22		1,101
Direct		25		1,260		-		-
Total Consumer Loans		25	$	1,260		24	$	1,120
Residential Real Estate		13	$	907		8	$	419
Total Troubled Debt Restructurings		40	$	2,425		34	$	2,013

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Defined Benefit Post-Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2018

Defined Benefit Post-Retirement Plans [Abstract]

Net Periodic Pension Benefits and Other Benefit Costs

The components of expense for Pension Benefits and Other Benefits are set forth below:

	Pension Benefits						Other Benefits
	Three months ended June 30,						Three months ended June 30,
(In thousands)	2018			2017			2018		2017
Components of net periodic (benefit) cost:
Service cost	$	420		$	402		$	3	$	3
Interest cost		920			1,042			82		86
Expected return on plan assets		(2,123	)		(1,985	)		-		-
Net amortization		251			415			44		20
Total net periodic (benefit) cost	$	(532	)	$	(126	)	$	129	$	109

	Pension Benefits						Other Benefits
	Six months ended June 30,						Six months ended June 30,
(In thousands)	2018			2017			2018		2017
Components of net periodic (benefit) cost:
Service cost	$	840		$	801		$	6	$	6
Interest cost		1,840			2,084			164		172
Expected return on plan assets		(4,246	)		(3,970	)		-		-
Net amortization		502			830			88		40
Total net periodic (benefit) cost	$	(1,064	)	$	(255	)	$	258	$	218

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings per Share

The following is a reconciliation of basic and diluted EPS for the periods presented in the unaudited interim consolidated statements of income: 

	Three Months Ended June 30,
(In thousands, except per share data)	2018		2017
Basic EPS:
Weighted average common shares outstanding		43,699		43,579
Net income available to common stockholders	$	28,121	$	21,359
Basic EPS	$	0.64	$	0.49
Diluted EPS:
Weighted average common shares outstanding		43,699		43,579
Dilutive effect of common stock options and restricted stock		318		322
Weighted average common shares and common share equivalents		44,017		43,901
Net income available to common stockholders	$	28,121	$	21,359
Diluted EPS	$	0.64	$	0.49

	Six Months Ended June 30,
(In thousands, except per share data)	2018		2017
Basic EPS:
Weighted average common shares outstanding		43,681		43,546
Net income available to common stockholders	$	54,107	$	41,638
Basic EPS	$	1.24	$	0.96
Diluted EPS:
Weighted average common shares outstanding		43,681		43,546
Dilutive effect of common stock options and restricted stock		311		340
Weighted average common shares and common share equivalents		43,992		43,886
Net income available to common stockholders	$	54,107	$	41,638
Diluted EPS	$	1.23	$	0.95

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Reclassification Adjustments Out of Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2018

Reclassification Adjustments Out of Other Comprehensive Income (Loss) [Abstract]

Reclassification Out of Accumulated Other Comprehensive Income

The following table summarizes the reclassification adjustments out of accumulated other comprehensive income (loss) ("AOCI"):

Detail About AOCI Components	Amount Reclassified From AOCI						Affected Line Item in the Consolidated Statement of Comprehensive Income (Loss)
	Three months ended
(In thousands)	June 30, 2018			June 30, 2017
AFS securities:
(Gains) on AFS securities	$	-		$	(2	)	Net securities gains
Amortization of unrealized gains related to securities transfer		177			225		Interest income
Tax effect	$	(44	)	$	(85	)	Income tax (expense) benefit
Net of tax	$	133		$	138
Cash flow hedges:
Net unrealized (gains) losses on cash flow hedges reclassified to interest (income) expense	$	(540	)	$	(23	)	Interest expense
Tax effect	$	135		$	9		Income tax (expense) benefit
Net of tax	$	(405	)	$	(14	)
Pension and other benefits:
Amortization of net losses	$	273		$	425		Other noninterest expense
Amortization of prior service costs		22			10		Other noninterest expense
Tax effect	$	(74	)	$	(166	)	Income tax (expense) benefit
Net of tax	$	221		$	269
Total reclassifications during the period, net of tax	$	(51	)	$	393

Detail About AOCI Components	Amount Reclassified From AOCI						Affected Line item in the Consolidated Statement of Comprehensive Income (Loss)
	Six months ended
(In thousands)	June 30, 2018			June 30, 2017
AFS securities:
(Gains) on AFS securities	$	-		$	(2	)	Net securities gains
Amortization of unrealized gains related to securities transfer		365			463		Interest income
Impairment write-down of equity security		-			1,312		Other noninterest income
Tax effect	$	(91	)	$	(677	)	Income tax (expense) benefit
Net of tax	$	274		$	1,096
Cash flow hedges:
Net unrealized (gains) losses on cash flow hedges reclassified to interest (income) expense	$	(899	)	$	59		Interest expense
Tax effect	$	225		$	(23	)	Income tax (expense) benefit
Net of tax	$	(674	)	$	36
Pension and other benefits:
Amortization of net losses	$	546		$	850		Other noninterest expense
Amortization of prior service costs		44			20		Other noninterest expense
Tax effect	$	(148	)	$	(332	)	Income tax (expense) benefit
Net of tax	$	442		$	538
Total reclassifications during the period, net of tax	$	42		$	1,670

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Fair Value Measurements and Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Measurements and Fair Value of Financial Instruments [Abstract]

Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis

The following tables set forth the Company’s financial assets and liabilities measured on a recurring basis that were accounted for at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

(In thousands)	Level 1		Level 2		Level 3		June 30, 2018
Assets:
AFS securities:
Federal agency	$	-	$	118,570	$	-	$	118,570
State & municipal		-		36,402		-		36,402
Mortgage-backed		-		519,645		-		519,645
Collateralized mortgage obligations		-		518,322		-		518,322
Total AFS securities	$	-	$	1,192,939	$	-	$	1,192,939
Equity securities		20,109		4,184		-		24,293
Derivatives		-		22,568		-		22,568
Total	$	20,109	$	1,219,691	$	-	$	1,239,800
Liabilities:
Derivatives	$	-	$	18,463	$	-	$	18,463
Total	$	-	$	18,463	$	-	$	18,463

(In thousands)	Level 1		Level 2		Level 3		December 31, 2017
Assets:
AFS securities:
Federal agency	$	-	$	108,899	$	-	$	108,899
State & municipal		-		41,956		-		41,956
Mortgage-backed		-		554,927		-		554,927
Collateralized mortgage obligations		-		535,994		-		535,994
Other securities		5,845		8,304		-		14,149
Total AFS securities	$	5,845	$	1,250,080	$	-	$	1,255,925
Trading securities		11,467		-		-		11,467
Derivatives		-		3,732		-		3,732
Total	$	17,312	$	1,253,812	$	-	$	1,271,124
Liabilities:
Derivatives	$	-	$	324	$	-	$	324
Total	$	-	$	324	$	-	$	324

Fair Value of Financial Instruments by Balance Sheet Grouping

The following table sets forth information with regard to estimated fair values of financial instruments. This table excludes financial instruments for which the carrying amount approximates fair value. Financial instruments for which the fair value approximates carrying value include cash and cash equivalents, AFS securities, equity securities, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable and interest rate swaps.

			June 30, 2018				December 31, 2017
(In thousands)	Fair Value Hierarchy		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets:
HTM securities		2	$	544,163	$	532,979	$	484,073	$	481,871
Net loans		3		6,786,613		6,811,553		6,515,273		6,651,931
Financial liabilities:
Time deposits		2	$	864,052	$	856,646	$	806,766	$	801,294
Long-term debt		2		73,778		72,379		88,869		88,346
Junior subordinated debt		2		101,196		101,248		101,196		104,593

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Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contracts with Customers [Abstract]

Non-interest Income

The following table presents noninterest income, segregated by revenue streams in-scope and out-of-scope of ASC 606, for three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2018		2017		2018		2017
Noninterest income
In-Scope of ASC 606:
Insurance and other financial services revenue	$	5,826	$	5,621	$	12,330	$	12,391
Service charges on deposit accounts		4,246		4,161		8,218		8,138
ATM and debit card fees		5,816		5,518		11,089		10,468
Retirement plan administration fees		7,296		5,437		12,635		9,609
Trust		5,265		5,161		10,143		9,693
Other		4,401		3,186		8,293		6,124
Total noninterest income in-scope of ASC 606	$	32,850	$	29,084	$	62,708	$	56,423
Total noninterest income out-of-scope of ASC 606	$	1,308	$	1,220	$	2,727	$	2,631
Total noninterest income	$	34,158	$	30,304	$	65,435	$	59,054

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Securities, Available for Sale (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Position	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Position	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($) Position
Debt securities, available-for-sale [Abstract]
Amortized cost	$ 1,227,513		$ 1,227,513
Unrealized gains	926		926
Unrealized losses	35,500		35,500
Estimated fair value	1,192,939		1,192,939
Total available-for-sale securities [Abstract]
Amortized cost					$ 1,266,165
Unrealized gains					5,893
Unrealized losses					16,133
Estimated fair value	1,192,939		1,192,939		1,255,925
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	727,989		727,989		633,766
12 months or longer	406,015		406,015		386,818
Total	1,134,004		1,134,004		1,020,584
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(18,424)		(18,424)		(5,481)
12 months or longer	(17,076)		(17,076)		(10,652)
Total	$ (35,500)		$ (35,500)		$ (16,133)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	174		174		134
12 months or longer | Position	86		86		79
Total | Position	260		260		213
OTTI loss realized on equity investment	$ 0	$ 0	$ 0	$ 1,300
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Within one year	79,927		79,927
From one to five years	78,012		78,012
From five to ten years	186,454		186,454
After ten years	883,120		883,120
Amortized cost	1,227,513		1,227,513
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Within one year	79,698		79,698
From one to five years	76,566		76,566
From five to ten years	182,532		182,532
After ten years	854,143		854,143
Fair value	1,192,939		1,192,939
Federal Agency [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	119,964		119,964		$ 109,862
Unrealized gains	0		0		0
Unrealized losses	1,394		1,394		963
Estimated fair value	118,570		118,570		108,899
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	39,457		39,457		64,653
12 months or longer	79,113		79,113		44,246
Total	118,570		118,570		108,899
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(526)		(526)		(242)
12 months or longer	(868)		(868)		(721)
Total	$ (1,394)		$ (1,394)		$ (963)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	4		4		5
12 months or longer | Position	6		6		4
Total | Position	10		10		9
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	$ 119,964		$ 119,964		$ 109,862
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	118,570		118,570		108,899
State & Municipal [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	36,676		36,676		42,171
Unrealized gains	28		28		62
Unrealized losses	302		302		277
Estimated fair value	36,402		36,402		41,956
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	23,273		23,273		23,566
12 months or longer	5,479		5,479		5,994
Total	28,752		28,752		29,560
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(232)		(232)		(200)
12 months or longer	(70)		(70)		(77)
Total	$ (302)		$ (302)		$ (277)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	37		37		39
12 months or longer | Position	8		8		8
Total | Position	45		45		47
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	$ 36,676		$ 36,676		$ 42,171
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	36,402		36,402		41,956
Mortgage-Backed [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	432,173		432,173		317,630
12 months or longer	60,657		60,657		58,316
Total	492,830		492,830		375,946
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(11,590)		(11,590)		(2,381)
12 months or longer	(2,832)		(2,832)		(1,187)
Total	$ (14,422)		$ (14,422)		$ (3,568)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	93		93		55
12 months or longer | Position	26		26		24
Total | Position	119		119		79
Mortgage-Backed, Government Sponsored Enterprises [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	$ 503,303		$ 503,303		$ 530,392
Unrealized gains	307		307		1,406
Unrealized losses	13,579		13,579		3,345
Estimated fair value	490,031		490,031		528,453
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	503,303		503,303		530,392
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	490,031		490,031		528,453
Mortgage-Backed, U.S. Government Agency Securities [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	30,232		30,232		26,363
Unrealized gains	225		225		334
Unrealized losses	843		843		223
Estimated fair value	29,614		29,614		26,474
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	30,232		30,232		26,363
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	29,614		29,614		26,474
Collateralized Mortgage Obligations [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	233,086		233,086		227,917
12 months or longer	260,766		260,766		275,303
Total	493,852		493,852		503,220
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(6,076)		(6,076)		(2,658)
12 months or longer	(13,306)		(13,306)		(8,521)
Total	$ (19,382)		$ (19,382)		$ (11,179)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	40		40		35
12 months or longer | Position	46		46		42
Total | Position	86		86		77
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	$ 486,029		$ 486,029		$ 496,033
Unrealized gains	234		234		254
Unrealized losses	17,702		17,702		10,114
Estimated fair value	468,561		468,561		486,173
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	486,029		486,029		496,033
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	468,561		468,561		486,173
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member]
Debt securities, available-for-sale [Abstract]
Amortized cost	51,309		51,309		50,721
Unrealized gains	132		132		165
Unrealized losses	1,680		1,680		1,065
Estimated fair value	49,761		49,761		49,821
Available-for-sale Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	51,309		51,309		50,721
Available-for-sale Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	$ 49,761		$ 49,761		49,821
Equity Securities [Member]
Equity securities, available-for-sale [Abstract]
Amortized cost					10,623
Unrealized gains					3,672
Unrealized losses					146
Estimated fair value					14,149
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months					0
12 months or longer					2,959
Total					2,959
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months					0
12 months or longer					(146)
Total					$ (146)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position					0
12 months or longer | Position					1
Total | Position					1

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Securities, Held to Maturity (Details) $ in Thousands	Jun. 30, 2018 USD ($) Position	Dec. 31, 2017 USD ($) Position
Held-to-maturity securities, fair value to amortized cost [Abstract]
Amortized cost	$ 544,163	$ 484,073
Unrealized gains	401	1,805
Unrealized losses	11,585	4,007
Estimated fair value	532,979	481,871
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	280,192	156,340
12 months or longer	79,783	87,037
Total	359,975	243,377
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(6,689)	(1,336)
12 months or longer	(4,896)	(2,671)
Total	$ (11,585)	$ (4,007)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	138	59
12 months or longer | Position	33	32
Total | Position	171	91
Amortized costs of securities available for sale and held to maturity pledged to secure public deposits	$ 1,600,000	$ 1,500,000
Amortized costs of securities AFS and HTM pledged as collateral for repurchase agreements	226,200	256,200
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Within one year	51,786
From one to five years	50,159
From five to ten years	201,007
After ten years	241,211
Amortized cost	544,163	484,073
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Within one year	51,786
From one to five years	50,281
From five to ten years	196,191
After ten years	234,721
Fair value	532,979	481,871
Mortgage-Backed [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	56,920	15,477
12 months or longer	30,532	33,703
Total	87,452	49,180
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(1,686)	(140)
12 months or longer	(1,558)	(670)
Total	$ (3,244)	$ (810)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	4	2
12 months or longer | Position	2	2
Total | Position	6	4
Mortgage-Backed, Government Sponsored Enterprises [Member]
Held-to-maturity securities, fair value to amortized cost [Abstract]
Amortized cost	$ 90,696	$ 96,357
Unrealized gains	0	85
Unrealized losses	3,244	810
Estimated fair value	87,452	95,632
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	90,696	96,357
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	87,452	95,632
Mortgage-Backed, U.S. Government Agency Securities [Member]
Held-to-maturity securities, fair value to amortized cost [Abstract]
Amortized cost	376	418
Unrealized gains	43	57
Unrealized losses	0	0
Estimated fair value	419	475
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	376	418
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	419	475
Collateralized Mortgage Obligations [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	149,776	118,476
12 months or longer	33,586	37,614
Total	183,362	156,090
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(3,693)	(1,064)
12 months or longer	(2,296)	(1,513)
Total	$ (5,989)	$ (2,577)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	24	17
12 months or longer | Position	6	6
Total | Position	30	23
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]
Held-to-maturity securities, fair value to amortized cost [Abstract]
Amortized cost	$ 229,353	$ 186,327
Unrealized gains	92	224
Unrealized losses	5,989	2,577
Estimated fair value	223,456	183,974
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	229,353	186,327
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	223,456	183,974
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member]
Held-to-maturity securities, fair value to amortized cost [Abstract]
Amortized cost	9,788
Unrealized gains	1
Unrealized losses	0
Estimated fair value	9,789
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	9,788
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	9,789
State & Municipal [Member]
Held-to-maturity securities, fair value to amortized cost [Abstract]
Amortized cost	213,950	200,971
Unrealized gains	265	1,439
Unrealized losses	2,352	620
Estimated fair value	211,863	201,790
Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	73,496	22,387
12 months or longer	15,665	15,720
Total	89,161	38,107
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	(1,310)	(132)
12 months or longer	(1,042)	(488)
Total	$ (2,352)	$ (620)
Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months | Position	110	40
12 months or longer | Position	25	24
Total | Position	135	64
Held-to-maturity Securities, Debt Maturities, Amortized Cost [Abstract]
Amortized cost	$ 213,950	$ 200,971
Held-to-maturity Securities, Debt Maturities, Estimated Fair Value [Abstract]
Fair value	$ 211,863	$ 201,790

XML

Securities, Unrealized Gains (Losses) Related to Equity Securities (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018 USD ($) Issuer	Jun. 30, 2018 USD ($) Issuer	Dec. 31, 2017 Issuer
Gains and losses on equity securities [Abstract]
Net gains and losses recognized on equity securities	$ 91	$ 163
Less: Net gains and losses recognized during the period on equity securities sold during the period	0	44
Unrealized gains and losses recognized on equity securities still held	91	119
Carrying amount of equity securities without readily determinable fair values	4,200	4,200
Impairment adjustments of equity securities without readily determinable fair values	0	0
Downward adjustments of equity securities without readily determinable fair values	0	0
Upward adjustments of equity securities without readily determinable fair values	$ 0	$ 0
Number of issuers whose holdings exceeded 10% of consolidated stockholders' equity, excluding U.S. Government securities | Issuer	0	0	0

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Allowance for Loan Losses and Credit Quality of Loans (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) Segment	Mar. 31, 2018
Allowance for Loan Losses [Abstract]
Loan portfolio segments | Segment	3
Agricultural [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Loan amount, percentage of commercial portfolio		3.00%
Specialty Lending [Member]
Allowance for Loan Losses [Abstract]
Loan amount, percentage of consumer portfolio		21.00%
Commercial Loans [Member] | Commercial Real Estate [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Loan amount, percentage of appraised value or purchase price of the property	80.00%
Commercial Loans [Member] | Agricultural Real Estate [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Loan amount, percentage of appraised value or purchase price of the property	75.00%
Commercial Loans [Member] | Business Banking [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Business banking loans, amount available | $	$ 750
Consumer Loans [Member] | Dealer Finance [Member]
Allowance for Loan Losses [Abstract]
Percentage of automobile financing to indirect relationships with dealers	70.00%
Consumer Loans [Member] | Dealer Finance [Member] | Minimum [Member]
Allowance for Loan Losses [Abstract]
Principal repayment term of loan	3 years
Consumer Loans [Member] | Dealer Finance [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Principal repayment term of loan	6 years
Consumer Loans [Member] | Direct [Member] | Minimum [Member]
Allowance for Loan Losses [Abstract]
Principal repayment term of loan	1 year
Consumer Loans [Member] | Direct [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Principal repayment term of loan	10 years
Consumer Loans [Member] | Home Equity [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Loan amount, percentage of appraised value or purchase price of the property	85.00%
Loan amount, percentage of equity in property	85.00%
Residential Real Estate [Member] | Maximum [Member]
Allowance for Loan Losses [Abstract]
Loan amount, percentage of appraised value or purchase price of the property	85.00%

XML

Allowance for Loan Losses and Credit Quality of Loans, Allowance for Loan Losses by Portfolio Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Changes in allowance for loan losses by portfolio segment [Roll Forward]
Balance, beginning of period	$ 70,200	$ 65,700	$ 69,500	$ 65,200
Charge-offs	(8,557)	(8,082)	(17,231)	(16,476)
Recoveries	2,029	1,415	3,907	2,930
Provision	8,778	7,567	16,274	14,946
Balance, end of period	72,450	66,600	72,450	66,600
Commercial Loans [Member]
Changes in allowance for loan losses by portfolio segment [Roll Forward]
Balance, beginning of period	28,190	24,727	27,606	25,444
Charge-offs	(907)	(1,123)	(1,712)	(2,417)
Recoveries	183	206	370	653
Provision	3,593	618	4,795	748
Balance, end of period	31,059	24,428	31,059	24,428
Consumer Loans [Member]
Changes in allowance for loan losses by portfolio segment [Roll Forward]
Balance, beginning of period	36,973	34,769	36,830	33,375
Charge-offs	(7,442)	(6,261)	(15,129)	(12,763)
Recoveries	1,700	1,199	3,344	2,234
Provision	5,248	5,816	11,434	12,677
Balance, end of period	36,479	35,523	36,479	35,523
Residential Real Estate [Member]
Changes in allowance for loan losses by portfolio segment [Roll Forward]
Balance, beginning of period	5,037	6,204	5,064	6,381
Charge-offs	(208)	(698)	(390)	(1,296)
Recoveries	146	10	193	43
Provision	(63)	1,133	45	1,521
Balance, end of period	4,912	6,649	4,912	6,649
Acquired Loans [Member]
Changes in allowance for loan losses by portfolio segment [Roll Forward]
Balance, beginning of period			0
Charge-offs	100	$ 300	200	$ 700
Balance, end of period	$ 0		$ 0

XML

Allowance for Loan Losses and Credit Quality of Loans, Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Allowance for loan losses	$ 72,450	$ 70,200	$ 69,500	$ 66,600	$ 65,700	$ 65,200
Allowance for loans individually evaluated for impairment	25		57
Allowance for loans collectively evaluated for impairment	72,425		69,443
Ending balance of loans	6,859,063		6,584,773
Commercial Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Allowance for loan losses	31,059	28,190	27,606	24,428	24,727	25,444
Allowance for loans individually evaluated for impairment	25		57
Allowance for loans collectively evaluated for impairment	31,034		27,549
Ending balance of loans	3,190,556		3,028,269
Consumer Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Allowance for loan losses	36,479	36,973	36,830	35,523	34,769	33,375
Allowance for loans individually evaluated for impairment	0		0
Allowance for loans collectively evaluated for impairment	36,479		36,830
Ending balance of loans	2,317,746		2,234,809
Residential Real Estate [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Allowance for loan losses	4,912	$ 5,037	5,064	$ 6,649	$ 6,204	$ 6,381
Allowance for loans individually evaluated for impairment	0		0
Allowance for loans collectively evaluated for impairment	4,912		5,064
Ending balance of loans	1,350,761		1,321,695
Originated Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	6,501,074		6,183,082
Ending balance of loans individually evaluated for impairment	19,729		21,138
Ending balance of loans collectively evaluated for impairment	6,481,345		6,161,944
Originated Loans [Member] | Commercial Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	3,028,340		2,840,956
Ending balance of loans individually evaluated for impairment	5,132		5,876
Ending balance of loans collectively evaluated for impairment	3,023,208		2,835,080
Originated Loans [Member] | Consumer Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	2,280,881		2,190,903
Ending balance of loans individually evaluated for impairment	8,006		8,432
Ending balance of loans collectively evaluated for impairment	2,272,875		2,182,471
Originated Loans [Member] | Residential Real Estate [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	1,191,853		1,151,223
Ending balance of loans individually evaluated for impairment	6,591		6,830
Ending balance of loans collectively evaluated for impairment	1,185,262		1,144,393
Acquired Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Allowance for loan losses	0		0
Ending balance of loans	357,989		401,691
Ending balance of loans collectively evaluated for impairment	357,989		401,691
Acquired Loans [Member] | Commercial Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	162,216		187,313
Ending balance of loans collectively evaluated for impairment	162,216		187,313
Acquired Loans [Member] | Consumer Loans [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	36,865		43,906
Ending balance of loans collectively evaluated for impairment	36,865		43,906
Acquired Loans [Member] | Residential Real Estate [Member]
Allowance for loan losses and recorded investment by portfolio segment [Abstract]
Ending balance of loans	158,908		170,472
Ending balance of loans collectively evaluated for impairment	$ 158,908		$ 170,472

XML

Allowance for Loan Losses and Credit Quality of Loans, Past Due Loans (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Aging [Abstract]
Minimum number of days past due for nonaccrual loan status	90 days
Total past due accruing	$ 34,353	$ 41,730
Nonaccrual	24,006	25,708
Current	6,800,704	6,517,335
Recorded total loans	6,859,063	6,584,773
31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	25,810	29,662
61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	6,334	6,658
Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	2,209	5,410
Commercial Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Recorded total loans	3,190,556	3,028,269
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Recorded total loans	2,317,746	2,234,809
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Recorded total loans	1,350,761	1,321,695
Originated Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	32,583	39,945
Nonaccrual	21,461	23,336
Current	6,447,030	6,119,801
Recorded total loans	6,501,074	6,183,082
Originated Loans [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	24,164	28,383
Originated Loans [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	6,210	6,397
Originated Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	2,209	5,165
Originated Loans [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	5,264	3,413
Nonaccrual	11,173	12,463
Current	3,011,903	2,825,080
Recorded total loans	3,028,340	2,840,956
Originated Loans [Member] | Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	4,330	2,678
Originated Loans [Member] | Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	934	735
Originated Loans [Member] | Commercial Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	0
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,789
Nonaccrual	1,041
Current	833,557
Recorded total loans	836,387
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,395
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	394
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,846
Nonaccrual	4,085
Current	1,704,773
Recorded total loans	1,710,704
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,846
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Nonaccrual		202
Current		753,577
Recorded total loans		753,779
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		299
Nonaccrual		3,178
Current		1,533,065
Recorded total loans		1,536,542
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		161
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		138
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		117
Nonaccrual		1,043
Current		34,386
Recorded total loans		35,546
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		117
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		493
Nonaccrual		2,736
Current		30,905
Recorded total loans		34,134
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		493
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,629	2,504
Nonaccrual	6,047	5,304
Current	473,573	473,147
Recorded total loans	481,249	480,955
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,089	1,907
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	540	597
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	0
Originated Loans [Member] | Consumer Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	24,060	30,873
Nonaccrual	4,688	4,886
Current	2,252,133	2,155,144
Recorded total loans	2,280,881	2,190,903
Originated Loans [Member] | Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	17,357	21,975
Originated Loans [Member] | Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	4,530	4,995
Originated Loans [Member] | Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	2,173	3,903
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		26,272
Nonaccrual		2,115
Current		1,642,664
Recorded total loans		1,671,051
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		18,747
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		4,033
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		3,492
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	14,610
Nonaccrual	1,972
Current	1,235,983
Recorded total loans	1,252,565
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	11,909
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,956
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	745
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	3,463
Nonaccrual	2,716
Current	514,519
Recorded total loans	520,698
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	2,488
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	653
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	322
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	5,987
Nonaccrual	0
Current	501,631
Recorded total loans	507,618
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	2,960
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,921
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,106
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		4,082
Nonaccrual		2,736
Current		448,081
Recorded total loans		454,899
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		2,887
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		854
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		341
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		519
Nonaccrual		35
Current		64,399
Recorded total loans		64,953
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		341
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		108
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		70
Originated Loans [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	3,259	5,659
Nonaccrual	5,600	5,987
Current	1,182,994	1,139,577
Recorded total loans	1,191,853	1,151,223
Originated Loans [Member] | Residential Real Estate [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	2,477	3,730
Originated Loans [Member] | Residential Real Estate [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	746	667
Originated Loans [Member] | Residential Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	36	1,262
Acquired Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,770	1,785
Nonaccrual	2,545	2,372
Current	353,674	397,534
Recorded total loans	357,989	401,691
Acquired Loans [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	1,646	1,279
Acquired Loans [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	124	261
Acquired Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	245
Acquired Loans [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	522	354
Nonaccrual	605	671
Current	161,089	186,288
Recorded total loans	162,216	187,313
Acquired Loans [Member] | Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	442	354
Acquired Loans [Member] | Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	80	0
Acquired Loans [Member] | Commercial Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	0
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Nonaccrual	0
Current	34,054
Recorded total loans	34,054
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Nonaccrual	2
Current	90,049
Recorded total loans	90,051
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Nonaccrual		0
Current		39,575
Recorded total loans		39,575
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Nonaccrual		2
Current		106,632
Recorded total loans		106,634
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	522	354
Nonaccrual	603	669
Current	36,986	40,081
Recorded total loans	38,111	41,104
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	442	354
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	80	0
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	0
Acquired Loans [Member] | Consumer Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	276	438
Nonaccrual	328	270
Current	36,261	43,198
Recorded total loans	36,865	43,906
Acquired Loans [Member] | Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	232	298
Acquired Loans [Member] | Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	44	35
Acquired Loans [Member] | Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	105
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		39
Nonaccrual		22
Current		1,157
Recorded total loans		1,218
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		38
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		0
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		1
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	5
Nonaccrual	14
Current	259
Recorded total loans	278
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	5
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	271	8
Nonaccrual	314	23
Current	36,002	2,785
Recorded total loans	36,587	2,816
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	227	6
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	44	1
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	1
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		391
Nonaccrual		225
Current		39,256
Recorded total loans		39,872
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		254
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		34
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing		103
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Recorded total loans		2,816
Acquired Loans [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	972	993
Nonaccrual	1,612	1,431
Current	156,324	168,048
Recorded total loans	158,908	170,472
Acquired Loans [Member] | Residential Real Estate [Member] | 31-60 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	972	627
Acquired Loans [Member] | Residential Real Estate [Member] | 61-90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	0	226
Acquired Loans [Member] | Residential Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due accruing	$ 0	$ 140

XML

Allowance for Loan Losses and Credit Quality of Loans, Impaired Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Allowance for Loan Losses and Credit Quality of Loans [Abstract]
Threshold balance for classified loans to be evaluated individually for impairment	$ 750
Total Loans [Abstract]
Recorded investment balance (book)	19,729	$ 21,138
Unpaid principal balance (legal)	27,256	28,120
Related allowance	25	57
Acquired impaired loans specifically evaluated for impairment	0	0
Originated Loans [Member]
With an allowance recorded [Abstract]
Recorded investment balance (book)	19,704	21,035
Unpaid principal balance (legal)	27,231	28,011
Originated Loans [Member] | Commercial Loans [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	5,107	5,773
Unpaid principal balance (legal)	8,370	8,848
With an allowance recorded [Abstract]
Recorded investment balance (book)	25	103
Unpaid principal balance (legal)	25	109
Total Loans [Abstract]
Related allowance	25	57
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	412
Unpaid principal balance (legal)	681
With an allowance recorded [Abstract]
Recorded investment balance (book)	25
Unpaid principal balance (legal)	25
Total Loans [Abstract]
Related allowance	25
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	3,665
Unpaid principal balance (legal)	5,585
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		0
Unpaid principal balance (legal)		251
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		2,211
Unpaid principal balance (legal)		3,979
With an allowance recorded [Abstract]
Recorded investment balance (book)		76
Unpaid principal balance (legal)		82
Total Loans [Abstract]
Related allowance		30
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		452
Unpaid principal balance (legal)		465
With an allowance recorded [Abstract]
Recorded investment balance (book)		27
Unpaid principal balance (legal)		27
Total Loans [Abstract]
Related allowance		27
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		2,250
Unpaid principal balance (legal)		2,423
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	1,030	860
Unpaid principal balance (legal)	2,104	1,730
Originated Loans [Member] | Consumer Loans [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	8,006	8,432
Unpaid principal balance (legal)	10,025	10,383
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	149
Unpaid principal balance (legal)	189
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	7,857
Unpaid principal balance (legal)	9,836
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		131
Unpaid principal balance (legal)		143
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		8,027
Unpaid principal balance (legal)		9,966
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)		274
Unpaid principal balance (legal)		274
Originated Loans [Member] | Residential Real Estate [Member]
With an allowance recorded [Abstract]
Recorded investment balance (book)	6,591	6,830
Unpaid principal balance (legal)	$ 8,836	$ 8,780

XML

Allowance for Loan Losses and Credit Quality of Loans, Average Recorded Investments on Loans Specifically Evaluated for Impairment and Interest Income Recognized (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	$ 20,257	$ 24,508	$ 20,668	$ 25,446
Interest income recognized	214	194	436	422
Originated Loans [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	20,257	24,508	20,668	25,274
Interest income recognized	214	194	436	422
Originated Loans [Member] | Commercial Loans [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	5,373	9,770	5,599	10,520
Interest income recognized	36	15	73	72
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	447		457
Interest income recognized	1		1
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	3,882		4,154
Interest income recognized	32		64
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		3,931		3,419
Interest income recognized		0		0
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		3,243		4,584
Interest income recognized		1		45
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		157		165
Interest income recognized		1		1
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		1,549		1,564
Interest income recognized		10		21
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	1,044	890	988	788
Interest income recognized	3	3	8	5
Originated Loans [Member] | Consumer Loans [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	8,146	8,350	8,254	8,446
Interest income recognized	107	111	219	221
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	194		188
Interest income recognized	1		4
Originated Loans [Member] | Consumer Loans [Member] | Direct Lending [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	7,952		8,066
Interest income recognized	106		215
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		25		16
Interest income recognized		1		1
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		8,205		8,310
Interest income recognized		110		220
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment		120		120
Interest income recognized		0		0
Originated Loans [Member] | Residential Real Estate [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment	6,738	6,388	6,815	6,308
Interest income recognized	$ 71	$ 68	144	129
Acquired Loans [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment			0	172
Interest income recognized			0	0
Acquired Loans [Member] | Commercial Loans [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment			0	172
Interest income recognized			0	0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
Average Recorded Investment and Interest Income Recognized [Abstract]
Average recorded investment			0	172
Interest income recognized			$ 0	$ 0

XML

Allowance for Loan Losses and Credit Quality of Loans, Credit Quality by Loan Class (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Credit Quality by Loan Class [Abstract]
Net loans	$ 6,859,063	$ 6,584,773
Consumer Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,317,746	2,234,809
Residential Real Estate Mortgage Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,350,761	1,321,695
Originated Loans [Member]
Credit Quality by Loan Class [Abstract]
Net loans	6,501,074	6,183,082
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,547,091
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,431,877
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans	60,873
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans	53,941
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Doubtful [Member]
Credit Quality by Loan Class [Abstract]
Net loans	400
Originated Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member]
Credit Quality by Loan Class [Abstract]
Net loans	836,387
Originated Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans	773,097
Originated Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans	46,153
Originated Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans	16,737
Originated Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Doubtful [Member]
Credit Quality by Loan Class [Abstract]
Net loans	400
Originated Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,710,704
Originated Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,658,780
Originated Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans	14,720
Originated Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans	37,204
Originated Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Doubtful [Member]
Credit Quality by Loan Class [Abstract]
Net loans	0
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,360,001
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,245,016
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		63,336
Originated Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		51,649
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member]
Credit Quality by Loan Class [Abstract]
Net loans		753,779
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		708,567
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		30,337
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		14,875
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,536,542
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,481,926
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		28,264
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		26,352
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member]
Credit Quality by Loan Class [Abstract]
Net loans		35,546
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		31,142
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,294
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,110
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member]
Credit Quality by Loan Class [Abstract]
Net loans		34,134
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		23,381
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,441
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		8,312
Originated Loans [Member] | Business Banking Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	481,249	480,955
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Non-classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	469,660	468,898
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	11,589	12,057
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member]
Credit Quality by Loan Class [Abstract]
Net loans	481,249	480,955
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Non-classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	469,660	468,898
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	11,589	12,057
Originated Loans [Member] | Consumer Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,280,881	2,190,903
Originated Loans [Member] | Consumer Credit Exposure [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,274,020	2,182,114
Originated Loans [Member] | Consumer Credit Exposure [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	6,861	8,789
Originated Loans [Member] | Consumer Credit Exposure [Member] | Dealer Finance [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,252,565
Originated Loans [Member] | Consumer Credit Exposure [Member] | Dealer Finance [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,249,848
Originated Loans [Member] | Consumer Credit Exposure [Member] | Dealer Finance [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,717
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member]
Credit Quality by Loan Class [Abstract]
Net loans	520,698
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	517,660
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	3,038
Originated Loans [Member] | Consumer Credit Exposure [Member] | Specialty Lending [Member]
Credit Quality by Loan Class [Abstract]
Net loans	507,618
Originated Loans [Member] | Consumer Credit Exposure [Member] | Specialty Lending [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	506,512
Originated Loans [Member] | Consumer Credit Exposure [Member] | Specialty Lending [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,106
Originated Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,671,051
Originated Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,665,444
Originated Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans		5,607
Originated Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member]
Credit Quality by Loan Class [Abstract]
Net loans		454,899
Originated Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans		451,822
Originated Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans		3,077
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member]
Credit Quality by Loan Class [Abstract]
Net loans		64,953
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans		64,848
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans		105
Originated Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,191,853	1,151,223
Originated Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,186,217	1,143,974
Originated Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	5,636	7,249
Originated Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Residential Real Estate Mortgage [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,191,853	1,151,223
Originated Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Residential Real Estate Mortgage [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,186,217	1,143,974
Originated Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Residential Real Estate Mortgage [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	5,636	7,249
Acquired Loans [Member]
Credit Quality by Loan Class [Abstract]
Net loans	357,989	401,691
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member]
Credit Quality by Loan Class [Abstract]
Net loans	124,105
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans	117,807
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans	5,583
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial, Industrial and Commercial Real Estate [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans	715
Acquired Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member]
Credit Quality by Loan Class [Abstract]
Net loans	34,054
Acquired Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans	28,989
Acquired Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans	5,019
Acquired Loans [Member] | Commercial Credit Exposure [Member] | C&I [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans	46
Acquired Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member]
Credit Quality by Loan Class [Abstract]
Net loans	90,051
Acquired Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans	88,818
Acquired Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans	564
Acquired Loans [Member] | Commercial Credit Exposure [Member] | CRE [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans	669
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member]
Credit Quality by Loan Class [Abstract]
Net loans		146,209
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		141,073
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		923
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Total Commercial and Agricultural [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		4,213
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member]
Credit Quality by Loan Class [Abstract]
Net loans		39,575
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		37,825
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		425
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,325
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member]
Credit Quality by Loan Class [Abstract]
Net loans		106,634
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Pass [Member]
Credit Quality by Loan Class [Abstract]
Net loans		103,248
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Credit Quality by Loan Class [Abstract]
Net loans		498
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Substandard [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,888
Acquired Loans [Member] | Business Banking Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	38,111	41,104
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Non-classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	35,691	38,236
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,420	2,868
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member]
Credit Quality by Loan Class [Abstract]
Net loans	38,111	41,104
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Non-classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	35,691	38,236
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Classified [Member]
Credit Quality by Loan Class [Abstract]
Net loans	2,420	2,868
Acquired Loans [Member] | Consumer Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	36,865	43,906
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	36,537	43,531
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	328	375
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Dealer Finance [Member]
Credit Quality by Loan Class [Abstract]
Net loans	278
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Dealer Finance [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	264
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Dealer Finance [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	14
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member]
Credit Quality by Loan Class [Abstract]
Net loans	36,587	2,816
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	36,273
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	314
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,218
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans		1,195
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans		23
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member]
Credit Quality by Loan Class [Abstract]
Net loans		39,872
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans		39,544
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans		328
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,816
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans		2,792
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans		24
Acquired Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member]
Credit Quality by Loan Class [Abstract]
Net loans	158,908	170,472
Acquired Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	157,296	168,901
Acquired Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	1,612	1,571
Acquired Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Residential Real Estate Mortgage [Member]
Credit Quality by Loan Class [Abstract]
Net loans	158,908	170,472
Acquired Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Residential Real Estate Mortgage [Member] | Performing [Member]
Credit Quality by Loan Class [Abstract]
Net loans	157,296	168,901
Acquired Loans [Member] | Residential Real Estate Mortgage Credit Exposure [Member] | Residential Real Estate Mortgage [Member] | Nonperforming [Member]
Credit Quality by Loan Class [Abstract]
Net loans	$ 1,612	$ 1,571

XML

Allowance for Loan Losses and Credit Quality of Loans, Troubled Debt Restructured Loans (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Contract	Jun. 30, 2017 USD ($) Contract	Jun. 30, 2018 USD ($) Contract	Jun. 30, 2017 USD ($) Contract
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract	2	11	17	16
Pre-modification outstanding recorded investment	$ 19	$ 4,213	$ 828	$ 4,522
Post-modification outstanding recorded investment	$ 18	$ 4,147	$ 829	$ 4,469
Number of contracts | Contract	21	19	40	34
Recorded Investment	$ 1,152	$ 1,183	$ 2,425	$ 2,013
Commercial Loans [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract	1	2	3	2
Pre-modification outstanding recorded investment	$ 6	$ 3,637	$ 369	$ 3,637
Post-modification outstanding recorded investment	$ 5	$ 3,572	$ 371	$ 3,572
Number of contracts | Contract	1	1	2	2
Recorded Investment	$ 58	$ 329	$ 258	$ 474
Commercial Loans [Member] | Commercial [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract		1		1
Pre-modification outstanding recorded investment		$ 3,300		$ 3,300
Post-modification outstanding recorded investment		$ 3,239		$ 3,239
Number of contracts | Contract	0		0	1
Recorded Investment	$ 0		$ 0	$ 145
Commercial Loans [Member] | Business Banking [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract	1	1	3	1
Pre-modification outstanding recorded investment	$ 6	$ 337	$ 369	$ 337
Post-modification outstanding recorded investment	$ 5	$ 333	$ 371	$ 333
Number of contracts | Contract	1	1	2	1
Recorded Investment	$ 58	$ 329	$ 258	$ 329
Consumer Loans [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract	1	5	9	8
Pre-modification outstanding recorded investment	$ 13	$ 230	$ 136	$ 337
Post-modification outstanding recorded investment	$ 13	$ 229	$ 135	$ 343
Number of contracts | Contract	13	14	25	24
Recorded Investment	$ 495	$ 603	$ 1,260	$ 1,120
Consumer Loans [Member] | Indirect [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract		3		3
Pre-modification outstanding recorded investment		$ 32		$ 32
Post-modification outstanding recorded investment		$ 31		$ 31
Number of contracts | Contract	0	1	0	2
Recorded Investment	$ 0	$ 14	$ 0	$ 19
Consumer Loans [Member] | Dealer Finance [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract	1		7
Pre-modification outstanding recorded investment	$ 13		$ 95
Post-modification outstanding recorded investment	$ 13		$ 94
Consumer Loans [Member] | Home Equity [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract		1		4
Pre-modification outstanding recorded investment		$ 78		$ 185
Post-modification outstanding recorded investment		$ 78		$ 192
Number of contracts | Contract	0	13	0	22
Recorded Investment	$ 0	$ 589	$ 0	$ 1,101
Consumer Loans [Member] | Direct [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract		1	2	1
Pre-modification outstanding recorded investment		$ 120	$ 41	$ 120
Post-modification outstanding recorded investment		$ 120	$ 41	$ 120
Number of contracts | Contract	13	0	25	0
Recorded Investment	$ 495	$ 0	$ 1,260	$ 0
Residential Real Estate [Member]
Troubled Debt Restructured Loans [Abstract]
Number of contracts | Contract		4	5	6
Pre-modification outstanding recorded investment		$ 346	$ 323	$ 548
Post-modification outstanding recorded investment		$ 346	$ 323	$ 554
Number of contracts | Contract	7	4	13	8
Recorded Investment	$ 599	$ 251	$ 907	$ 419

XML

Defined Benefit Post-Retirement Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Defined Benefit Post-Retirement Plans [Abstract]
Employer contributions	$ 0	$ 0			$ 0
Pension Benefits [Member]
Components of net periodic (benefit) cost [Abstract]
Service cost	420	402	$ 840	$ 801
Interest cost	920	1,042	1,840	2,084
Expected return on plan assets	(2,123)	(1,985)	(4,246)	(3,970)
Net amortization	251	415	502	830
Total net periodic (benefit) cost	(532)	(126)	(1,064)	(255)
Other Benefits [Member]
Components of net periodic (benefit) cost [Abstract]
Service cost	3	3	6	6
Interest cost	82	86	164	172
Expected return on plan assets	0	0	0	0
Net amortization	44	20	88	40
Total net periodic (benefit) cost	$ 129	$ 109	$ 258	$ 218

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Basic EPS [Abstract]
Weighted average common shares outstanding (in shares)	43,699,000	43,579,000	43,681,000	43,546,000
Net income available to common stockholders	$ 28,121	$ 21,359	$ 54,107	$ 41,638
Basic EPS (in dollars per share)	$ 0.64	$ 0.49	$ 1.24	$ 0.96
Diluted EPS [Abstract]
Weighted average common shares outstanding (in shares)	43,699,000	43,579,000	43,681,000	43,546,000
Dilutive effect of common stock options and restricted stock (in shares)	318,000	322,000	311,000	340,000
Weighted average common shares and common share equivalents (in shares)	44,017,000	43,901,000	43,992,000	43,886,000
Net income available to common stockholders	$ 28,121	$ 21,359	$ 54,107	$ 41,638
Diluted EPS (in dollars per share)	$ 0.64	$ 0.49	$ 1.23	$ 0.95
Stock Options [Member]
Earnings Per Share [Abstract]
Stock options excluded from calculation of diluted EPS (in shares)	1,500	3,250	1,500	1,144

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Reclassification Adjustments Out of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Net securities gains	$ 91	$ 2	$ 163	$ 2
Interest income	75,741	69,621	149,227	138,112
Other noninterest income	4,401	3,186	8,293	6,124
Other noninterest expense	4,332	4,868	8,747	9,397
Interest expense	9,026	6,273	16,300	12,218
Income tax (expense) benefit	(8,112)	(10,678)	(15,121)	(18,979)
Net income	28,121	21,359	54,107	41,638
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Total reclassifications during the period, net of tax	(51)	393	42	1,670
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Income tax (expense) benefit	(44)	(85)	(91)	(677)
Net income	133	138	274	1,096
(Gains) on AFS Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Net securities gains	0	(2)	0	(2)
Amortization of Unrealized Gains Related to Securities Transfer [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Interest income	177	225	365	463
Impairment Write-Down of Equity Security [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Other noninterest income			0	1,312
Net Unrealized (Gains) Losses on Cash Flow hedges Reclassified to Interest (Income) Expense [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Interest expense	(540)	(23)	(899)	59
Income tax (expense) benefit	135	9	225	(23)
Net income	(405)	(14)	(674)	36
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Income tax (expense) benefit	(74)	(166)	(148)	(332)
Net income	221	269	442	538
Amortization of Net Losses [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Other noninterest expense	273	425	546	850
Amortization of Prior Service Costs [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Abstract]
Other noninterest expense	$ 22	$ 10	$ 44	$ 20

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Fair Value Measurements and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Transfers between Levels [Abstract]
Transfers from Level 1 to Level 2	$ 0	$ 0
Transfers from Level 2 to Level 1	4,000	0
Transfers into Level 3		0
Transfers out of Level 3		0
AFS securities [Abstract]
AFS securities	1,192,939
Total AFS securities	1,192,939	1,255,925
Equity securities	24,293	0
Trading securities	0	11,467
Liabilities [Abstract]
Collateral dependent loans	25	100
Collateral dependent loans, specific reserves	$ 25	100
Minimum [Member]
Liabilities [Abstract]
Liquidation expense ratio on impaired collateral	10.00%
Maximum [Member]
Liabilities [Abstract]
Liquidation expense ratio on impaired collateral	35.00%
Federal Agency [Member]
AFS securities [Abstract]
AFS securities	$ 118,570	108,899
State & Municipal [Member]
AFS securities [Abstract]
AFS securities	36,402	41,956
Recurring Basis [Member]
AFS securities [Abstract]
AFS securities	1,192,939
Other securities		14,149
Total AFS securities		1,255,925
Equity securities	24,293
Trading securities		11,467
Derivatives	22,568	3,732
Total	1,239,800	1,271,124
Liabilities [Abstract]
Derivatives	18,463	324
Total	18,463	324
Recurring Basis [Member] | Level 1 [Member]
AFS securities [Abstract]
AFS securities	0
Other securities		5,845
Total AFS securities		5,845
Equity securities	20,109
Trading securities		11,467
Derivatives	0	0
Total	20,109	17,312
Liabilities [Abstract]
Derivatives	0	0
Total	0	0
Recurring Basis [Member] | Level 2 [Member]
AFS securities [Abstract]
AFS securities	1,192,939
Other securities		8,304
Total AFS securities		1,250,080
Equity securities	4,184
Trading securities		0
Derivatives	22,568	3,732
Total	1,219,691	1,253,812
Liabilities [Abstract]
Derivatives	18,463	324
Total	18,463	324
Recurring Basis [Member] | Level 3 [Member]
AFS securities [Abstract]
AFS securities	0
Other securities		0
Total AFS securities		0
Equity securities	0
Trading securities		0
Derivatives	0	0
Total	0	0
Liabilities [Abstract]
Derivatives	0	0
Total	0	0
Recurring Basis [Member] | Federal Agency [Member]
AFS securities [Abstract]
AFS securities	118,570	108,899
Recurring Basis [Member] | Federal Agency [Member] | Level 1 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | Federal Agency [Member] | Level 2 [Member]
AFS securities [Abstract]
AFS securities	118,570	108,899
Recurring Basis [Member] | Federal Agency [Member] | Level 3 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | State & Municipal [Member]
AFS securities [Abstract]
AFS securities	36,402	41,956
Recurring Basis [Member] | State & Municipal [Member] | Level 1 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | State & Municipal [Member] | Level 2 [Member]
AFS securities [Abstract]
AFS securities	36,402	41,956
Recurring Basis [Member] | State & Municipal [Member] | Level 3 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | Mortgage-Backed [Member]
AFS securities [Abstract]
AFS securities	519,645	554,927
Recurring Basis [Member] | Mortgage-Backed [Member] | Level 1 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | Mortgage-Backed [Member] | Level 2 [Member]
AFS securities [Abstract]
AFS securities	519,645	554,927
Recurring Basis [Member] | Mortgage-Backed [Member] | Level 3 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member]
AFS securities [Abstract]
AFS securities	518,322	535,994
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] | Level 1 [Member]
AFS securities [Abstract]
AFS securities	0	0
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] | Level 2 [Member]
AFS securities [Abstract]
AFS securities	518,322	535,994
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] | Level 3 [Member]
AFS securities [Abstract]
AFS securities	$ 0	$ 0

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Fair Value Measurements and Fair Value of Financial Instruments, Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Interest Rate Swaps [Abstract]
Reclassification of net unrealized gains (losses) on cash flow hedges from AOCI to interest expense	$ 405	$ 14	$ 674	$ (36)
Financial assets [Abstract]
HTM securities	532,979		532,979		$ 481,871
Financial liabilities [Abstract]
Time deposits	864,052		864,052		806,766
Long-term debt	73,778		73,778		88,869
Junior subordinated debt	101,196		101,196		101,196
Carrying Amount [Member] | Level 2 [Member]
Financial assets [Abstract]
HTM securities	544,163		544,163		484,073
Financial liabilities [Abstract]
Time deposits	864,052		864,052		806,766
Long-term debt	73,778		73,778		88,869
Junior subordinated debt	101,196		101,196		101,196
Carrying Amount [Member] | Level 3 [Member]
Financial assets [Abstract]
Net loans	6,786,613		6,786,613		6,515,273
Estimated Fair Value [Member] | Level 2 [Member]
Financial assets [Abstract]
HTM securities	532,979		532,979		481,871
Financial liabilities [Abstract]
Time deposits	856,646		856,646		801,294
Long-term debt	72,379		72,379		88,346
Junior subordinated debt	101,248		101,248		104,593
Estimated Fair Value [Member] | Level 3 [Member]
Financial assets [Abstract]
Net loans	6,811,553		6,811,553		6,651,931
Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | Other Assets [Member]
Interest Rate Swaps [Abstract]
Derivative asset, notional amount	625,700		625,700		481,200
Fair value of derivative asset	18,500		18,500		200
Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | Other Liabilities [Member]
Interest Rate Swaps [Abstract]
Derivative liability, notional amount	625,700		625,700		481,200
Fair value of derivative liability	18,500		18,500		200
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Swaps [Member]
Interest Rate Swaps [Abstract]
Notional amount	225,000		225,000		250,000
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
Interest Rate Swaps [Abstract]
Reclassification of net unrealized gains (losses) on cash flow hedges from AOCI to interest expense	500	$ 100	900	$ (100)
Amount expected to be reclassified as a reduction to interest expense for CF hedges	3,000		3,000
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Swaps [Member] | Other Assets [Member]
Interest Rate Swaps [Abstract]
Fair value of derivative asset	$ 4,100		$ 4,100		$ 3,500

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Commitments and Contingencies (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Commitment to Extend Credits and Unused Lines of Credit [Member]
Guarantor Obligations [Abstract]
Commitments - maximum potential obligation	$ 1,700.0	$ 1,600.0
Standby Letters of Credit [Member]
Guarantor Obligations [Abstract]
Obligation instrument term	5 years
Commitments - maximum potential obligation	$ 40.5	$ 41.1

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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	$ 32,850	$ 29,084	$ 62,708	$ 56,423
Total noninterest income out-of-scope of ASC 606	1,308	1,220	2,727	2,631
Total noninterest income	34,158	30,304	65,435	59,054
Insurance and Other Financial Services Revenue [Member]
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	5,826	5,621	12,330	12,391
Service Charges on Deposit Accounts [Member]
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	4,246	4,161	8,218	8,138
ATM and Debit Card Fees [Member]
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	5,816	5,518	11,089	10,468
Retirement Plan Administration Fees [Member]
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	7,296	5,437	12,635	9,609
Trust [Member]
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	5,265	5,161	10,143	9,693
Other [Member]
Noninterest Income [Abstract]
Total noninterest income in-scope of ASC 606	$ 4,401	$ 3,186	$ 8,293	$ 6,124

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Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Recent Accounting Pronouncements [Abstract]
Federal corporate tax rate			21.00%		35.00%
Salaries and employee benefits	$ 37,726	$ 33,503	$ 74,293	$ 67,736
Other noninterest expense	$ 4,332	4,868	$ 8,747	9,397
ASU 2018-02 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation					$ 0
ASU 2017-07 [Member]
Recent Accounting Pronouncements [Abstract]
Salaries and employee benefits		400		800
Other noninterest expense		$ (400)		$ (800)
AOCI [Member] | ASU 2016-01 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation					(2,600)
Retained Earnings [Member] | ASU 2016-01 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation					2,600
AOCI [Member] | ASU 2018-02 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation					(5,575)
Retained Earnings [Member] | ASU 2018-02 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation					$ 5,575