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 September 30, 2015.

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

Large accelerated filer  Accelerated filer  Non-accelerated filer  Smaller reporting company 

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 October 30, 2015, there were 43,290,202 shares outstanding of the Registrant's common stock, $0.01 par value per share.

NBT BANCORP INC.

FORM 10-Q--Quarter Ended September 30, 2015

TABLE OF CONTENTS

PART I FINANCIAL INFORMATION

Item 1	Financial Statements
	Consolidated Balance Sheets at September 30, 2015 and December 31, 2014	3
	Consolidated Statements of Income for the three and nine month periods ended September 30, 2015 and 2014	4
	Consolidated Statements of Comprehensive Income for the three and nine month periods ended September 30, 2015 and 2014	5
	Consolidated Statements of Stockholders’ Equity for the nine month periods ended September 30, 2015 and 2014	6
	Consolidated Statements of Cash Flows for the nine month periods ended September 30, 2015 and 2014	7
	Notes to Unaudited Interim Consolidated Financial Statements	9
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	42
Item 3	Quantitative and Qualitative Disclosures about Market Risk	60
Item 4	Controls and Procedures	60
PART II	OTHER INFORMATION
Item 1	Legal Proceedings	61
Item 1A	Risk Factors	61
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	61
Item 3	Defaults Upon Senior Securities	61
Item 4	Mine Safety Disclosures	61
Item 5	Other Information	61
Item 6	Exhibits	62
SIGNATURES		63
INDEX TO EXHIBITS		64

2

Item 1 – FINANCIAL STATEMENTS

NBT Bancorp Inc. and Subsidiaries
Consolidated Balance Sheets (unaudited)
	September 30			December 31
	2015			2014
(In thousands, except share and per share data)
Assets
Cash and due from banks	$	175,036		$	139,635
Short-term interest bearing accounts		9,964			7,001
Securities available for sale, at fair value		1,058,397			1,013,171
Securities held to maturity (fair value $475,436 and $454,994, respectively)		470,758			454,361
Trading securities		7,900			7,793
Federal Reserve and Federal Home Loan Bank stock		34,001			32,626
Loans		5,870,988			5,595,271
Less allowance for loan losses		64,859			66,359
Net loans		5,806,129			5,528,912
Premises and equipment, net		87,763			89,258
Goodwill		263,634			263,634
Intangible assets, net		16,729			20,317
Bank owned life insurance		116,128			114,251
Other assets		115,123			126,967
Total assets	$	8,161,562		$	7,797,926
Liabilities
Demand (noninterest bearing)	$	1,915,482		$	1,838,622
Savings, NOW, and money market		3,753,179			3,417,160
Time		931,966			1,043,823
Total deposits		6,600,627			6,299,605
Short-term borrowings		362,332			316,802
Long-term debt		130,635			130,945
Junior subordinated debt		101,196			101,196
Other liabilities		90,556			85,197
Total liabilities		7,285,346			6,933,745
Stockholders’ equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at September 30, 2015 and December 31, 2014		-			-
Common stock, $0.01 par value. Authorized 100,000,000 shares at September 30, 2015 and December 31, 2014; issued 49,651,494 at September 30, 2015 and December 31, 2014		497			497
Additional paid-in-capital		576,478			576,504
Retained earnings		452,701			423,956
Accumulated other comprehensive loss		(13,365	)		(17,027	)
Common stock in treasury, at cost, 6,465,233 and 5,755,040 shares at September 30, 2015 and December 31, 2014, respectively		(140,095	)		(119,749	)
Total stockholders’ equity		876,216			864,181
Total liabilities and stockholders’ equity	$	8,161,562		$	7,797,926

See accompanying notes to unaudited interim consolidated financial statements.

3

NBT Bancorp Inc. and Subsidiaries	Three months ended September 30,				Nine months ended September 30,
Consolidated Statements of Income (unaudited)	2015		2014		2015		2014
(In thousands, except per share data)
Interest, fee, and dividend income
Interest and fees on loans	$	61,656	$	61,173	$	181,047	$	181,747
Securities available for sale		5,125		6,095		15,214		19,464
Securities held to maturity		2,318		1,353		6,916		2,904
Other		401		513		1,276		1,552
Total interest, fee, and dividend income		69,500		69,134		204,453		205,667
Interest expense
Deposits		3,554		3,498		10,644		9,782
Short-term borrowings		296		262		561		702
Long-term debt		845		1,067		2,507		5,709
Junior subordinated debt		560		544		1,645		1,620
Total interest expense		5,255		5,371		15,357		17,813
Net interest income		64,245		63,763		189,096		187,854
Provision for loan losses		4,966		4,885		12,506		12,647
Net interest income after provision for loan losses		59,279		58,878		176,590		175,207
Noninterest income
Insurance and other financial services revenue		5,862		6,179		18,072		18,510
Service charges on deposit accounts		4,349		4,519		12,706		13,285
ATM and debit card fees		4,780		4,440		13,707		12,869
Retirement plan administration fees		3,249		3,272		10,011		9,167
Trust		4,611		4,758		14,257		14,157
Bank owned life insurance		931		1,095		3,418		3,455
Net securities gains		3		38		43		59
Gain on the sale of equity investment		4,179		-		4,179		19,401
Other		3,297		2,376		9,617		8,078
Total noninterest income		31,261		26,677		86,010		98,981
Noninterest expense
Salaries and employee benefits		30,227		28,933		91,240		89,609
Occupancy		5,326		5,211		16,804		16,872
Data processing and communications		4,207		4,029		12,598		12,045
Professional fees and outside services		3,137		3,695		10,029		10,862
Equipment		3,352		3,199		9,917		9,447
Office supplies and postage		1,576		1,733		4,822		5,221
FDIC expenses		1,355		1,134		3,833		3,641
Advertising		421		403		1,874		1,868
Amortization of intangible assets		1,165		1,275		3,636		3,821
Loan collection and other real estate owned, net		699		705		1,593		2,546
Prepayment penalties on long-term debt		-		13,349		-		17,903
Other		8,426		5,401		19,211		15,485
Total noninterest expense		59,891		69,067		175,557		189,320
Income before income tax expense		30,649		16,488		87,043		84,868
Income tax expense		10,798		5,576		29,745		28,307
Net income	$	19,851	$	10,912	$	57,298	$	56,561
Earnings per share
Basic	$	0.45	$	0.25	$	1.30	$	1.29
Diluted	$	0.45	$	0.25	$	1.29	$	1.28

See accompanying notes to unaudited interim consolidated financial statements

4

NBT Bancorp Inc. and Subsidiaries	Three months ended September 30,						Nine months ended September 30,
Consolidated Statements of Comprehensive Income (unaudited)	2015			2014			2015			2014
(In thousands)
Net income	$	19,851		$	10,912		$	57,298		$	56,561
Other comprehensive income (loss), net of tax:
Unrealized net holding gains (losses) arising during the period (pre-tax amounts of $3,801, ($3,693), $3,367 and $13,199)		2,323			(2,124	)		2,057			8,075
Reclassification adjustment for net gains related to securities available for sale included in net income (pre-tax amounts of $3, $38, $43 and $59)		(2	)		(23	)		(26	)		(35	)
Amortization of unrealized net gains and losses related to the reclassification of available for sale investment securities to held to maturity (pre-tax amounts of $328, $(99), $999 and $(99))		200			(59	)		610			(59	)
Pension and other benefits:
Amortization of prior service cost and actuarial gains (pre-tax amounts of $551, $19, $1,673 and $57)		337			11			1,021			34
Total other comprehensive income(loss)		2,858			(2,195	)		3,662			8,015
Comprehensive income	$	22,709		$	8,717		$	60,960		$	64,576

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, 2013	$	497	$	574,152		$	385,787		$	(16,765	)	$	(127,102	)	$	816,569
Net income		-		-			56,561			-			-			56,561
Cash dividends - $0.63 per share		-		-			(27,653	)		-			-			(27,653	)
Purchase of 3,288 treasury shares		-		-			-			-			(72	)		(72	)
Net issuance of 197,036 shares to employee benefit plans and other stock plans, including tax benefit		-		(2,312	)		-			-			3,515			1,203
Stock-based compensation		-		2,817			-			-			-			2,817
Other comprehensive income		-		-			-			8,015			-			8,015
Balance at September 30, 2014	$	497	$	574,657		$	414,695		$	(8,750	)	$	(123,659	)	$	857,440
Balance at December 31, 2014	$	497	$	576,504		$	423,956		$	(17,027	)	$	(119,749	)	$	864,181
Net income		-		-			57,298			-			-			57,298
Cash dividends - $0.65 per share		-		-			(28,553	)		-			-			(28,553	)
Purchase of 1,047,152 treasury shares		-		-			-			-			(26,797	)		(26,797	)
Net issuance of 336,959 shares to employee benefit plans and other stock plans, including tax benefit		-		(3,423	)		-			-			6,451			3,028
Stock-based compensation		-		3,397			-			-			-			3,397
Other comprehensive income		-		-			-			3,662			-			3,662
Balance at September 30, 2015	$	497	$	576,478		$	452,701		$	(13,365	)	$	(140,095	)	$	876,216

See accompanying notes to unaudited interim consolidated financial statements.

6

NBT Bancorp Inc. and Subsidiaries	Nine months ended September 30,
Consolidated Statements of Cash Flows (unaudited)	2015			2014
(In thousands, except per share data)
Operating activities
Net income	$	57,298		$	56,561
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses		12,506			12,647
Depreciation and amortization of premises and equipment		6,494			6,172
Net accretion on securities		1,851			2,692
Amortization of intangible assets		3,636			3,821
Stock based compensation		3,397			2,817
Bank owned life insurance income		(3,418	)		(3,455	)
Purchases of trading securities		(767	)		(1,618	)
Losses (gains) on trading securities		660			(225	)
Proceeds from sales of loans held for sale		50,998			4,024
Originations and purchases of loans held for sale		(49,125	)		(6,872	)
Net gains on sales of loans held for sale		(108	)		(3	)
Net security gains		(43	)		(59	)
Net gain on sales of other real estate owned		(1,241	)		(351	)
Gain on sale of equity investment		(4,179	)		(19,401	)
Prepayment penalties on long-term debt		-			17,903
Net decrease (increase) in other assets		8,846			(19,117	)
Net increase in other liabilities		6,252			3,239
Net cash provided by operating activities		93,057			58,775
Investing activities
Securities available for sale:
Proceeds from maturities, calls, and principal paydowns		229,347			178,430
Purchases		(272,596	)		(175,033	)
Securities held to maturity:
Proceeds from maturities, calls, and principal paydowns		61,379			26,830
Purchases		(74,951	)		(33,601	)
Other:
Net increase in loans		(294,187	)		(191,327	)
Proceeds from FHLB stock redemption		39,740			63,186
Purchases of Federal Reserve and FHLB stock		(41,115	)		(50,974	)
Proceeds from settlement of bank owned life insurance		1,541			1,319
Purchases of premises and equipment		(4,999	)		(6,616	)
Proceeds from sale of equity investment		4,179			19,639
Proceeds from the sales of other real estate owned		3,049			2,863
Net cash used in investing activities		(348,613	)		(165,284	)
Financing activities
Net increase in deposits		301,022			424,715
Net increase (decrease) in short-term borrowings		45,530			(80,405	)
Proceeds from issuance of long-term debt		-			120,051
Repayments of long-term debt		(310	)		(315,721	)
Proceeds from the issuance of shares to employee benefit plans and other stock plans		3,028			1,203
Purchase of treasury stock		(26,797	)		(72	)
Cash dividends		(28,553	)		(27,653	)
Net cash provided by financing activities		293,920			122,118
Net increase in cash and cash equivalents		38,364			15,609
Cash and cash equivalents at beginning of period		146,636			158,926
Cash and cash equivalents at end of period	$	185,000		$	174,535

7

Supplemental disclosure of cash flow information	Nine months ended September 30,
Cash paid during the period for:	2015		2014
Interest	$	16,252	$	18,714
Income taxes paid		19,027		36,978
Noncash investing activities:
Loans transferred to other real estate owned	$	2,699	$	1,135
Preferred stock acquired from sale of equity investment		-		2,762
Transfer of available for sale securities to held to maturity portfolio		-		332,115

See accompanying notes to unaudited interim consolidated financial statements.

8

NBT BANCORP INC. and Subsidiaries

NOTES TO UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2015

Note 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 and financial services to customers in its market area, which includes central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, southern New Hampshire, and southern 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, principally in non-metropolitan markets, providing a broad array of banking and financial services to retail, commercial, and municipal customers.

Note 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, NBT Holdings, and Hathaway Agency, Inc.  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 (“GAAP”).  These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2014 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.

9

Note 3. Securities

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

(In thousands)	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
September 30, 2015
Federal Agency	$	342,140	$	1,245	$	(122	)	$	343,263
State & municipal		33,140		510		(3	)		33,647
Mortgage-backed:
Government-sponsored enterprises		313,840		7,118		(105	)		320,853
U.S. government agency securities		14,293		728		(64	)		14,957
Collateralized mortgage obligations:
Government-sponsored enterprises		296,005		2,638		(63	)		298,580
U.S. government agency securities		31,302		485		(21	)		31,766
Other securities		12,900		2,531		(100	)		15,331
Total securities available for sale	$	1,043,620	$	15,255	$	(478	)	$	1,058,397
December 31, 2014
U.S. Treasury	$	23,041	$	70	$	-		$	23,111
Federal Agency		332,193		327		(2,606	)		329,914
State & municipal		37,035		587		(52	)		37,570
Mortgage-backed:
Government-sponsored enterprises		339,190		7,597		(224	)		346,563
U.S. government agency securities		17,367		863		(66	)		18,164
Collateralized mortgage obligations:
Government-sponsored enterprises		199,837		1,828		(234	)		201,431
U.S. government agency securities		40,237		497		(36	)		40,698
Other securities		12,818		3,054		(152	)		15,720
Total securities available for sale	$	1,001,718	$	14,823	$	(3,370	)	$	1,013,171

Other securities primarily represent marketable equity securities.

Securities with amortized costs totaling $1.1 billion at September 30, 2015 and $1.0 billion at December 31, 2014 were pledged to secure public deposits and for other purposes required or permitted by law.  At September 30, 2015 and December 31, 2014, securities with an amortized cost of $174.8 million and $208.8 million, respectively, were pledged as collateral for securities sold under repurchase agreements.

10

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

(In thousands)	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
September 30, 2015
Mortgage-backed:
Government-sponsored enterprises	$	9,782	$	-	$	(25	)	$	9,757
U.S. government agency securities		665		107		-			772
Collateralized mortgage obligations:
Government-sponsored enterprises		282,966		4,081		(951	)		286,096
State & municipal		177,345		1,509		(43	)		178,811
Total securities held to maturity	$	470,758	$	5,697	$	(1,019	)	$	475,436
December 31, 2014
Mortgage-backed:
Government-sponsored enterprises	$	755	$	113	$	-		$	868
Collateralized mortgage obligations:
Government-sponsored enterprises		317,628		1,934		(1,965	)		317,597
State & municipal		135,978		674		(123	)		136,529
Total securities held to maturity	$	454,361	$	2,721	$	(2,088	)	$	454,994

11

The following table sets forth information with regard to investment securities with unrealized losses for the periods presented:

	Less than 12 months							12 months or longer							Total
Security Type:	Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions
September 30, 2015
Investment securities available for sale:
Federal agency	$	19,962	$	(30	)		2	$	29,908	$	(92	)		3	$	49,870	$	(122	)		5
State & municipal		2,957		(3	)		4		-		-			-		2,957		(3	)		4
Mortgage-backed		11,656		(109	)		14		4,319		(60	)		16		15,975		(169	)		30
Collateralized mortgage obligations		29,608		(62	)		5		4,340		(22	)		3		33,948		(84	)		8
Other securities		-		-			-		3,931		(100	)		3		3,931		(100	)		3
Total securities with unrealized losses	$	64,183	$	(204	)		25	$	42,498	$	(274	)		25	$	106,681	$	(478	)		50
September 30, 2015
Investment securities held to maturity:
Mortgage-backed	$	9,757	$	(25	)		1	$	-	$	-			-	$	9,757	$	(25	)		1
Collateralized mortgage obligations		-		-			-		43,127		(951	)		4		43,127		(951	)		4
State & municipal		6,313		(43	)		11		-		-			-		6,313		(43	)		11
Total securities with unrealized losses	$	16,070	$	(68	)		12	$	43,127	$	(951	)		4	$	59,197	$	(1,019	)		16
December 31, 2014
Investment securities available for sale:
Federal agency	$	66,528	$	(226	)		8	$	198,151	$	(2,380	)		16	$	264,679	$	(2,606	)		24
State & municipal		8,818		(42	)		33		1,321		(10	)		5		10,139		(52	)		38
Mortgage-backed		10,400		(36	)		10		35,565		(254	)		31		45,965		(290	)		41
Collateralized mortgage obligations		57,682		(196	)		8		6,598		(74	)		4		64,280		(270	)		12
Other securities		-		-			-		3,201		(152	)		2		3,201		(152	)		2
Total securities with unrealized losses	$	143,428	$	(500	)		59	$	244,836	$	(2,870	)		58	$	388,264	$	(3,370	)		117
December 31, 2014
Investment securities held to maturity:
Collateralized mortgage obligations	$	26,052	$	(49	)		2	$	46,415	$	(1,916	)		4	$	72,467	$	(1,965	)		6
State & municipal		43,514		(116	)		110		1,619		(7	)		6		45,133		(123	)		116
Total securities with unrealized losses	$	69,566	$	(165	)		112	$	48,034	$	(1,923	)		10	$	117,600	$	(2,088	)		122

12

Management has the intent to hold the securities classified as held to maturity until they mature, at which time it is believed the Company will receive full value for the securities. Furthermore, as of September 30, 2015, management also has the intent to hold, and will not be required to sell, the securities classified as available for sale for a period of time sufficient for a recovery of cost, which may be until maturity.  The unrealized losses 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 or not it will receive the contractual principal and interest on certain securities.  The fair value is expected to recover as the bonds approach their maturity date or repricing date or if market yields for such investments decline.  As of September 30, 2015, management believes the impairments detailed in the table above are temporary and no other-than-temporary impairment losses have been realized in the Company’s consolidated statements of income.

The following tables set forth information with regard to contractual maturities of debt securities at September 30, 2015:

(In thousands)	Amortized cost		Estimated fair value
Debt securities classified as available for sale
Within one year	$	4,031	$	4,058
From one to five years		369,188		371,294
From five to ten years		137,908		140,701
After ten years		519,593		527,013
	$	1,030,720	$	1,043,066
Debt securities classified as held to maturity
Within one year	$	42,420	$	42,427
From one to five years		15,186		15,260
From five to ten years		107,816		109,043
After ten years		305,336		308,706
	$	470,758	$	475,436

Maturities of mortgage-backed and collateralized mortgage obligations 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 September 30, 2015.

13

Note  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 adequacy of the allowance for loan losses is continuously monitored.  It is assessed for adequacy 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.  The following table illustrates the portfolio and class segments for the Company’s loan portfolio:

Portfolio	Class
Commercial Loans	Commercial
	Commercial Real Estate
	Agricultural
	Agricultural Real Estate
	Business Banking
Consumer Loans	Indirect
	Home Equity
	Direct
Residential Real Estate Mortgages

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 (non-Real Estate) – The Company offers a variety of loan options to meet the specific needs of our commercial 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 and equipment purchases. Generally, a collateral lien is placed on equipment or other assets owned by the borrower.  These loans 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 and accounts receivable. To reduce the risk, management also attempts to secure real estate as collateral and obtain personal guarantees of the borrowers.

14

Commercial Real Estate – The Company offers commercial real estate loans to finance real estate purchases, refinancings, expansions and improvements to commercial properties.  Commercial real estate loans are made to finance the purchases of real estate, generally with completed structures. These commercial real estate loans are secured by first liens on the real estate, which may include apartments, commercial structures, housing businesses, healthcare facilities, and other non owner-occupied facilities.  These loans are typically less risky than commercial loans, since they are secured by real estate and buildings, and are generally originated in amounts of no more than 80% of the appraised value of the property.

Agricultural – The Company offers a variety of agricultural loans to meet the needs of our agricultural customers including term loans, time notes, and lines of credit.  These loans are made to purchase livestock, purchase and modernize equipment, and finance seasonal crop expenses.  Generally, a collateral lien is placed on the livestock, equipment, produce inventories, and/or receivables owned by the borrower.  These loans may carry a higher risk than commercial and agricultural real estate loans due to the industry price volatility, and in some cases, the perishable nature of the underlying collateral.  To reduce these risks, management may attempt to secure these loans with additional real estate collateral, obtain personal guarantees of the borrowers, or obtain government loan guarantees to provide further support.

Agricultural Real Estate – The Company offers real estate loans to our agricultural customers to finance farm related real estate purchases, refinancings, expansions, and improvements to agricultural properties such as barns, production facilities, and land.  The agricultural real estate loans are secured by first liens on the farm real estate.  Because they are secured by land and buildings, these loans may be less risky than agricultural loans.  These loans are typically originated in amounts of no more than 75% of the appraised value of the property.  Government loan guarantees may be obtained to provide further support.

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 $0.5 million 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 equipment or other assets owned by the borrower such as inventory and/or receivables.  These loans carry a higher risk than commercial loans due to the smaller size of the borrower and lower levels of capital.  To reduce the risk, 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 indirect, home equity, and direct loans.

Indirect – 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 75% of the indirect 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 indirect consumer loans are underwritten on a secured basis using the underlying collateral being financed.

Home Equity –The Company offers home equity lines of credit to consumers to finance home improvements, debt consolidation, education and other uses.  Consumers are able to borrow up to 85% of the equity in their homes.  The Company originates home equity lines of credit and second mortgage loans (loans secured by a second junior lien position on one-to-four-family residential real estate).  These loans carry a higher risk than first mortgage residential loans as they are typically in a second position with respect to collateral.  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.

15

Direct – The Company offers a variety of consumer installment loans to finance vehicle purchases, mobile home purchases and personal expenditures.  Most of these 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. The majority of consumer loans are underwritten on a secured basis using the underlying collateral being financed or a customer's deposit account. In addition to installment loans, the Company also offers personal lines of credit and overdraft protection.  A minimal amount of loans are unsecured, which carry a higher risk of loss.

Residential Real Estate Mortgages

Residential real estate loans consist primarily of loans secured by first or second deeds of trust 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 residential mortgage.  These loans are collateralized by owner-occupied properties located in the Company’s market area.  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.  The Company’s underwriting analysis for residential mortgage loans typically includes credit verification, independent appraisals, and a review of the borrower’s financial condition.  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.

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 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 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 or credits are necessary to maintain the allowance at a level which management believes is reasonably reflective of overall inherent risk of probable 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 and/or changes in management’s assessment of any or all of the determining factors discussed above.

16

The following tables illustrate the changes in the allowance for loan losses by our portfolio segments for the three and nine months ended September 30, 2015 and 2014:

Three months ended September 30,	Commercial Loans			Consumer Loans			Residential Real Estate Mortgages			Unallocated		Total
Balance as of June 30, 2015	$	28,326		$	28,314		$	8,281		$	38	$	64,959
Charge-offs		(1,333	)		(4,530	)		(511	)		-		(6,374	)
Recoveries		258			889			161			-		1,308
Provision		(2,800	)		7,333			51			382		4,966
Ending Balance as of September 30, 2015	$	24,451		$	32,006		$	7,982		$	420	$	64,859
Balance as of June 30, 2014	$	35,123		$	27,973		$	6,205		$	233	$	69,534
Charge-offs		(1,517	)		(3,979	)		(481	)		-		(5,977	)
Recoveries		253			632			7			-		892
Provision		1,779			2,826			212			68		4,885
Ending Balance as of September 30, 2014	$	35,638		$	27,452		$	5,943		$	301	$	69,334

Nine months ended September 30,	Commercial Loans			Consumer Loans			Residential Real Estate Mortgages			Unallocated		Total
Balance as of December 31, 2014	$	32,433		$	26,720		$	7,130		$	76	$	66,359
Charge-offs		(2,715	)		(13,183	)		(1,524	)		-		(17,422	)
Recoveries		772			2,334			310			-		3,416
Provision		(6,039	)		16,135			2,066			344		12,506
Ending Balance as of September 30, 2015	$	24,451		$	32,006		$	7,982		$	420	$	64,859
Balance as of December 31, 2013	$	35,090		$	27,694		$	6,520		$	130	$	69,434
Charge-offs		(3,423	)		(11,659	)		(965	)		-		(16,047	)
Recoveries		966			2,087			247			-		3,300
Provision		3,005			9,330			141			171		12,647
Ending Balance as of September 30, 2014	$	35,638		$	27,452		$	5,943		$	301	$	69,334

As of September 30, 2015, included in the above tables, there was $1.9 million in the allowance for loan losses related to acquired commercial loans.  There was $3.0 in the allowance for loan losses as of September 30, 2014 related to acquired loans.  Net charge-offs related to acquired loans totaled approximately $0.5 million and $0.3 million during the three months ended September 30, 2015 and 2014, respectively, and approximately $1.2 million and $0.5 million during the nine months ended September 30, 2015 and 2014, respectively, and are included in the table above. 

17

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments as of September 30, 2015 and December 31, 2014:

Allowance for Loan Losses and Recorded Investment in Loans

(in thousands)

	Commercial Loans		Consumer Loans		Residential Real Estate Mortgages		Unallocated		Total
As of September 30, 2015
Allowance for loan losses	$	24,451	$	32,006	$	7,982	$	420	$	64,859
Allowance for loans individually evaluated for impairment		3,545		-		-				3,545
Allowance for loans collectively evaluated for impairment	$	20,906	$	32,006	$	7,982	$	420	$	61,314
Ending balance of loans	$	2,602,385	$	2,091,408	$	1,177,195			$	5,870,988
Ending balance of originated loans individually evaluated for impairment		12,559		7,590		5,867				26,016
Ending balance of acquired loans individually evaluated for impairment		9,317		-		-				9,317
Ending balance of acquired loans collectively evaluated for impairment		295,890		106,968		241,646				644,504
Ending balance of originated loans collectively evaluated for impairment	$	2,284,619	$	1,976,850	$	929,682			$	5,191,151
As of December 31, 2014
Allowance for loan losses	$	32,433	$	26,720	$	7,130	$	76	$	66,359
Allowance for loans individually evaluated for impairment		1,100		-		-				1,100
Allowance for loans collectively evaluated for impairment	$	31,333	$	26,720	$	7,130	$	76	$	65,259
Ending balance of loans	$	2,473,702	$	2,005,980	$	1,115,589			$	5,595,271
Ending balance of originated loans individually evaluated for impairment		11,079		5,498		3,544				20,121
Ending balance of acquired loans individually evaluated for impairment		5,675		-		-				5,675
Ending balance of acquired loans collectively evaluated for impairment		327,656		147,256		266,747				741,659
Ending balance of originated loans collectively evaluated for impairment	$	2,129,292	$	1,853,226	$	845,298			$	4,827,816

18

Credit Quality of Loans

Loans are placed on nonaccrual status when timely collection of principal and interest in accordance with contractual terms is doubtful. This generally occurs 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 or 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.  The Company’s nonaccrual policies are the same for all classes of financing receivable.

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.  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 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.

19

The following tables set forth information with regard to past due and nonperforming loans by loan class as of September 30, 2015 and December 31, 2014:

Age Analysis of Past Due Financing Receivables

As of September 30, 2015

(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		Non-Accrual		Current		Recorded Total Loans
ORIGINATED
Commercial Loans
Commercial	$	2,050	$	100	$	-	$	2,150	$	1,264	$	647,577	$	650,991
Commercial Real Estate		537		-		-		537		6,236		1,176,523		1,183,296
Agricultural		-		-		-		-		900		32,486		33,386
Agricultural Real Estate		557		-		-		557		500		25,758		26,815
Business Banking		1,930		145		-		2,075		4,947		395,668		402,690
		5,074		245		-		5,319		13,847		2,278,012		2,297,178
Consumer Loans
Indirect		15,041		3,159		1,488		19,688		1,718		1,431,946		1,453,352
Home Equity		4,091		1,205		384		5,680		5,436		462,546		473,662
Direct		526		99		59		684		86		56,656		57,426
		19,658		4,463		1,931		26,052		7,240		1,951,148		1,984,440
Residential Real Estate Mortgages		2,312		80		1,253		3,645		8,462		923,442		935,549
	$	27,044	$	4,788	$	3,184	$	35,016	$	29,549	$	5,152,602	$	5,217,167
ACQUIRED
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	2,509	$	69,553	$	72,062
Commercial Real Estate		-		-		-		-		6,804		175,026		181,830
Business Banking		63		19		12		94		144		51,077		51,315
		63		19		12		94		9,457		295,656		305,207
Consumer Loans
Indirect		219		70		14		303		96		34,623		35,022
Home Equity		177		70		-		247		591		67,064		67,902
Direct		24		23		1		48		34		3,962		4,044
		420		163		15		598		721		105,649		106,968
Residential Real Estate Mortgages		863		41		579		1,483		2,797		237,366		241,646
	$	1,346	$	223	$	606	$	2,175	$	12,975	$	638,671	$	653,821
Total Loans	$	28,390	$	5,011	$	3,790	$	37,191	$	42,524	$	5,791,273	$	5,870,988

20

Age Analysis of Past Due Financing Receivables

As of December 31, 2014

(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		Non-Accrual		Current		Recorded Total Loans
ORIGINATED
Commercial Loans
Commercial	$	-	$	735	$	-	$	735	$	1,012	$	613,400	$	615,147
Commercial Real Estate		192		-		-		192		4,127		1,064,549		1,068,868
Agricultural		-		-		-		-		817		32,130		32,947
Agricultural Real Estate		19		-		-		19		565		24,390		24,974
Business Banking		799		235		84		1,118		6,910		390,407		398,435
		1,010		970		84		2,064		13,431		2,124,876		2,140,371
Consumer Loans
Indirect		16,434		3,154		1,991		21,579		1,964		1,286,507		1,310,050
Home Equity		4,591		1,428		821		6,840		6,596		479,444		492,880
Direct		560		157		52		769		84		54,941		55,794
		21,585		4,739		2,864		29,188		8,644		1,820,892		1,858,724
Residential Real Estate Mortgages		2,901		96		1,256		4,253		8,770		835,819		848,842
	$	25,496	$	5,805	$	4,204	$	35,505	$	30,845	$	4,781,587	$	4,847,937
ACQUIRED
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	3,009	$	72,255	$	75,264
Commercial Real Estate		-		-		-		-		2,666		197,222		199,888
Business Banking		5		15		-		20		665		57,494		58,179
		5		15		-		20		6,340		326,971		333,331
Consumer Loans
Indirect		518		5		54		577		106		64,540		65,223
Home Equity		190		60		5		255		557		75,904		76,716
Direct		31		-		7		38		33		5,246		5,317
		739		65		66		870		696		145,690		147,256
Residential Real Estate Mortgages		1,162		265		671		2,098		3,193		261,456		266,747
	$	1,906	$	345	$	737	$	2,988	$	10,229	$	734,117	$	747,334
Total Loans	$	27,402	$	6,150	$	4,941	$	38,493	$	41,074	$	5,515,704	$	5,595,271

There were no material commitments to extend further credit to borrowers with nonperforming loans.

21

Impaired Loans

The methodology used to establish the allowance for loan losses on impaired loans incorporates specific allocations on loans analyzed individually.  Classified and nonperforming loans with outstanding balances of $0.5 million or more and all troubled debt restructured loans (“TDRs”) are evaluated for impairment through the Company’s quarterly status review process.  In determining that we will be unable to collect all principal and 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 impaired as defined by accounting standards, 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 discounted at the loan's original effective interest rate or 3) the loan’s observable market price.  All impaired loans are reviewed on a quarterly basis for changes in the level of impairment.  Any change to the previously recognized impairment loss is recognized as a change to the allowance account and recorded in the consolidated statement of income as a component of the provision for loan losses.

The following table provides information on loans specifically evaluated for impairment as of September 30, 2015 and December 31, 2014:

	September 30, 2015							December 31, 2014
(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
Commercial	$	1,694	$	1,846				$	1,748	$	1,901
Commercial Real Estate		3,187		3,198					4,505		4,520
Agricultural		19		25					20		26
Agricultural Real Estate		623		749					1,147		1,441
Business Banking		995		1,037					896		1,301
Total Commercial Loans		6,518		6,855					8,316		9,189
Consumer Loans
Indirect		13		23					-		-
Home Equity		7,577		8,380					5,498		6,033
Direct		-		-					-		-
Total Consumer Loans		7,590		8,403					5,498		6,033
Residential Real Estate Mortgages		5,867		6,386					3,544		3,959
Total		19,975		21,644					17,358		19,181
With an allowance recorded:
Commercial Loans
Commercial		948		953			300		-		-			-
Commercial Real Estate		5,093		6,959			1,395		2,763		4,611			600
Total Commercial Loans		6,041		7,912			1,695		2,763		4,611			600
ACQUIRED
With no related allowance recorded:
Commercial Loans
Commercial Real Estate		5,488		5,789					2,666		3,830
With an allowance recorded:
Commercial Loans
Commercial		2,508		4,668			1,000		3,009		4,668			500
Commercial Real Estate		1,321		1,321			850		-		-			-
Total Commercial Loans		3,829		5,989			1,850		3,009		4,668			500
Total:	$	35,333	$	41,334		$	3,545	$	25,796	$	32,290		$	1,100

22

The following tables summarize the average recorded investments on impaired loans specifically evaluated for impairment and the interest income recognized for the three months ended September 30, 2015 and 2014:

	For the three months ended
	September 30, 2015				September 30, 2014
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
ORIGINATED
Commercial Loans
Commercial	$	2,469	$	42	$	1,957	$	-
Commercial Real Estate		8,560		42		9,619		43
Agricultural		19		-		102		-
Agricultural Real Estate		626		11		1,395		12
Business Banking		1,003		3		677		10
Consumer Loans
Indirect		20		-		-		-
Home Equity		7,432		134		5,435		85
Direct		-		-		-		-
Residential Real Estate Mortgage		5,564		37		2,961		29
Total Originated	$	25,693	$	269	$	22,146	$	179
ACQUIRED
Commercial Loans
Commercial		2,531		-		6,161		-
Commercial Real Estate		6,918		-		3,398		-
Total Acquired	$	9,449	$	-	$	9,559	$	-
Total Loans	$	35,142	$	269	$	31,705	$	179

	For the nine months ended
	September 30, 2015				September 30, 2014
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
ORIGINATED
Commercial Loans
Commercial	$	2,026	$	128	$	2,001	$	-
Commercial Real Estate		8,884		124		10,400		127
Agricultural		19		1		115		1
Agricultural Real Estate		630		34		1,410		35
Business Banking		952		9		509		33
Consumer Loans
Indirect		14		-		-		-
Home Equity		6,869		298		5,099		188
Direct		1		-		-		-
Residential Real Estate Mortgage		4,857		100		2,864		79
Total Originated	$	24,252	$	694	$	22,398	$	463
ACQUIRED
Commercial Loans
Commercial		2,658		-		6,303		-
Commercial Real Estate		7,070		-		3,461		-
Total Acquired	$	9,728	$	-	$	9,764	$	-
Total Loans	$	33,980	$	694	$	32,162	$	463

23

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.  Classified commercial loans consist of loans graded substandard and below.  The grading system for commercial and agricultural loans is as follows:

● 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 (declining revenues or margins) or may be struggling with an ill-proportioned balance sheet (e.g., 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.

24

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, that 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 uncollectible 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 and it is expected that such timely payments of principal and interest will continue.

Consumer and Residential Mortgage Grading System

Consumer and Residential Mortgage loans are graded as either Performing or Nonperforming.   Nonperforming loans are loans that are 1) over 90 days past due and interest is still accruing, 2) on nonaccrual status or 3) restructured.  All loans not meeting any of these three criteria are considered Performing.

25

The following tables illustrate the Company’s credit quality by loan class as of September 30, 2015 and December 31, 2014:

Credit Quality Indicators

As of September 30, 2015

ORIGINATED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Agricultural		Agricultural Real Estate		Total
Pass	$	600,507	$	1,127,116	$	32,759	$	25,784	$	1,786,166
Special Mention		18,395		28,718		1		6		47,120
Substandard		32,089		27,462		618		1,025		61,194
Doubtful		-		-		8		-		8
Total	$	650,991	$	1,183,296	$	33,386	$	26,815	$	1,894,488
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking								Total
Non-classified	$	387,378							$	387,378
Classified		15,312								15,312
Total	$	402,690							$	402,690
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,450,146	$	467,842	$	57,281			$	1,975,269
Nonperforming		3,206		5,820		145				9,171
Total	$	1,453,352	$	473,662	$	57,426			$	1,984,440
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage								Total
Performing	$	925,834							$	925,834
Nonperforming		9,715								9,715
Total	$	935,549							$	935,549

26

Credit Quality Indicators

As of September 30, 2015

ACQUIRED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate				Total
Pass	$	66,770	$	163,948			$	230,718
Special Mention		939		5,780				6,719
Substandard		4,353		12,102				16,455
Total	$	72,062	$	181,830			$	253,892
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking						Total
Non-classified	$	47,310					$	47,310
Classified		4,005						4,005
Total	$	51,315					$	51,315
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	34,912	$	67,311	$	4,009	$	106,232
Nonperforming		110		591		35		736
Total	$	35,022	$	67,902	$	4,044	$	106,968
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage						Total
Performing	$	238,270					$	238,270
Nonperforming		3,376						3,376
Total	$	241,646					$	241,646

27

Credit Quality Indicators

As of December 31, 2014

ORIGINATED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Agricultural		Agricultural Real Estate		Total
Pass	$	570,884	$	1,023,856	$	30,481	$	23,443	$	1,648,664
Special Mention		6,022		17,341		275		42		23,680
Substandard		38,241		27,671		2,183		1,489		69,584
Doubtful		-		-		8		-		8
Total	$	615,147	$	1,068,868	$	32,947	$	24,974	$	1,741,936
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking								Total
Non-classified	$	379,445							$	379,445
Classified		18,990								18,990
Total	$	398,435							$	398,435
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,306,095	$	485,463	$	55,658			$	1,847,216
Nonperforming		3,955		7,417		136				11,508
Total	$	1,310,050	$	492,880	$	55,794			$	1,858,724
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage								Total
Performing	$	838,816							$	838,816
Nonperforming		10,026								10,026
Total	$	848,842							$	848,842

28

Credit Quality Indicators

As of December 31, 2014

ACQUIRED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate				Total
Pass	$	63,630	$	186,036			$	249,666
Special Mention		2,840		2,646				5,486
Substandard		8,794		11,206				20,000
Total	$	75,264	$	199,888			$	275,152
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking						Total
Non-classified	$	53,264					$	53,264
Classified		4,915						4,915
Total	$	58,179					$	58,179
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	65,063	$	76,154	$	5,277	$	146,494
Nonperforming		160		562		40		762
Total	$	65,223	$	76,716	$	5,317	$	147,256
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage						Total
Performing	$	262,883					$	262,883
Nonperforming		3,864						3,864
Total	$	266,747					$	266,747

Troubled Debt Restructured Loans

The Company’s loan portfolio includes certain loans that have been modified where economic concessions have been granted to borrowers who have experienced or are expected to experience financial difficulties.  These concessions typically result from the Company’s loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions.  Certain TDRs are classified as nonperforming at the time of restructure and may only be returned to performing status after considering the borrower’s sustained repayment performance for a reasonable period, generally six months.  Substantially all of these modifications included 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 principal.

When the Company modifies a loan, management evaluates any possible impairment 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, instead of discounted cash flows.  If management determines that the value of the modified loan is less than the recorded investment in the loan (net of previous charge-offs, deferred loan fees or costs and unamortized premium or discount), impairment is recognized through an allowance estimate or a charge-off to the allowance.  

29

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 for the three and nine months ended September 30, 2015 and 2014:

	Three months ended September 30, 2015
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Consumer
Home Equity		12	$	863	$	802
Residential Real Estate		16		1,293		1,191
Total Troubled Debt Restructurings		28	$	2,156	$	1,993

	Three months ended September 30, 2014
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Consumer
Home Equity		1	$	25	$	24
Direct		7		225		163
Total Consumer		8		250		187
Residential Real Estate		3		179		161
Total Troubled Debt Restructurings		11	$	429	$	348

30

	Nine months ended September 30, 2015
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial
Commercial		1	$	1,250	$	186
Small Business		1		220		173
Total Commercial		2		1,470		359
Consumer
Home Equity		39		3,212		2,915
Direct		4		109		102
Total Consumer		43		3,321		3,017
Residential Real Estate		32		3,066		2,854
Total Troubled Debt Restructurings		77	$	7,857	$	6,230

	Nine months ended September 30, 2014
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial
Small Business		2	$	570	$	558
Consumer
Indirect		2		69		38
Home Equity		7		286		273
Direct		40		2,701		2,043
Total Consumer		49		3,056		2,354
Residential Real Estate		19		2,157		1,628
Total Troubled Debt Restructurings		70	$	5,783	$	4,540

31

The following table illustrates the recorded investment and number of modifications for TDRs within the three and nine months ended September 30, 2015 and 2014 where a concession has been made and subsequently defaulted during the period:

	Three months ended September 30, 2015				Three months ended September 30, 2014
	Number of contracts		Recorded Investment		Number of contracts		Recorded Investment
Consumer
Home Equity		-	$	-		1	$	25
Residential Real Estate		2		174		1		48
Total Troubled Debt Restructurings		2	$	174		2	$	73

	Nine months ended September 30, 2015				Nine months ended September 30, 2014
	Number of contracts		Recorded Investment		Number of contracts		Recorded Investment
Consumer
Home Equity		4	$	344		7	$	515
Residential Real Estate		2		174		-		-
Total Troubled Debt Restructurings		6	$	518		7	$	515

32

Note 5. Defined Benefit Postretirement Plans

The Company has a qualified, noncontributory, defined benefit pension plan (“the Plan”) covering substantially all of its employees at September 30, 2015.  Benefits paid from the plan are based on age, years of service, compensation and social security benefits, and are determined in accordance with defined formulas. The Company’s policy is to fund the pension plan in accordance with Employee Retirement Income Security Act of 1974 (“ERISA”) standards. Assets of the plan are invested in publicly traded stocks and bonds.  The Company is not required to make contributions to the Plan in 2015 and did not do so during the nine months ended September 30, 2015.

Market conditions can result in an unusually high degree of volatility and increase the risks and short term liquidity associated with certain investments held by the Plan which could impact the value of these investments.

In addition to the Plan, the Company also provides supplemental employee retirement plans to certain current and former executives.  These supplemental employee retirement plans and the Plan are collectively referred to herein as “Pension Benefits.”

Also, 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 postretirement health care benefits. These postretirement benefits are referred to herein as “Other Benefits.” The components of expense for Pension Benefits and Other Benefits are set forth below (in thousands):

33

	Pension Benefits						Other Benefits
	Three months ended September 30,						Three months ended September 30,
Components of net periodic (benefit) cost:	2015			2014			2015		2014
Service cost	$	669		$	587		$	4	$	4
Interest cost		996			1,040			101		90
Expected return on plan assets		(2,147	)		(2,175	)		-		-
Net amortization		550			25			1		(6	)
Total cost (benefit)	$	68		$	(523	)	$	106	$	88

	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
Components of net periodic (benefit) cost:	2015			2014			2015		2014
Service cost	$	1,979		$	1,761		$	12	$	12
Interest cost		2,992			3,120			283		270
Expected return on plan assets		(6,447	)		(6,525	)		-		-
Net amortization		1,642			75			31		(18	)
Total cost (benefit)	$	166		$	(1,569	)	$	326	$	264

34

Note 6. Earnings Per Share

Basic earnings per share is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding for the period, excluding shares issuable upon the exercise of certain contracts to issue common stock, such as in-the-money stock options. Diluted earnings per share 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 earnings per share for the periods presented in the consolidated statements of income.

Three months ended September 30,	2015		2014
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,692		43,882
Net income		19,851		10,912
Basic EPS	$	0.45	$	0.25
Diluted EPS:
Weighted average common shares outstanding		43,692		43,882
Dilutive effect of common stock options and restricted stock		570		523
Weighted average common shares and common share equivalents		44,262		44,405
Net income		19,851		10,912
Diluted EPS	$	0.45	$	0.25

Nine months ended September 30,	2015		2014
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,949		43,847
Net income		57,298		56,561
Basic EPS	$	1.30	$	1.29
Diluted EPS:
Weighted average common shares outstanding		43,949		43,847
Dilutive effect of common stock options and restricted stock		519		507
Weighted average common shares and common share equivalents		44,468		44,354
Net income		57,298		56,561
Diluted EPS	$	1.29	$	1.28

There were 36,360 stock options for the quarter ended September 30, 2015 and 501,843 stock options for the quarter ended September 30, 2014 that were not considered in the calculation of diluted earnings per share since the stock options’ exercise price was greater than the average market price during these periods.

There were 334,759 stock options for the nine months ended September 30, 2015 and 502,836 stock options for the nine months ended September 30, 2014 that were not considered in the calculation of diluted earnings per share since the stock options’ exercise price was greater than the average market price during these periods.

35

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

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

Detail About Accumulated Other Comprehensive Income (Loss) Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income (loss)
	Three months ended
	September 30, 2015			September 30, 2014
Securities:
Gains on available for sale securities	$	(3	)	$	(38	)	Net securities (gains) losses
Amortization of unrealized gains and losses related to securities transfer		328			(99	)	Interest income
Tax (benefit) expense		(127	)		55		Income tax expense
Net of tax	$	198		$	(82	)
Pension and other benefits:
Amortization of net gains	$	566		$	74		Salaries and employee benefits
Amortization of prior service costs		(15	)		(55	)	Salaries and employee benefits
Tax benefit		(214	)		(8	)	Income tax expense
Net of tax	$	337		$	11
Total reclassifications during the period, net of tax	$	535		$	(71	)

Detail About Accumulated Other Comprehensive Income (Loss) Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income (loss)
	Nine months ended
	September 30, 2015			September 30, 2014
Securities:
Gains on available for sale securities	$	(43	)	$	(59	)	Net securities gains
Amortization of unrealized gains and losses related to securities transfer		999			(99	)	Interest income
Tax (benefit) expense		(372	)		64		Income tax expense
Net of tax	$	584		$	(94	)
Pension and other benefits:
Amortization of net gains	$	1,697		$	222		Salaries and employee benefits
Amortization of prior service costs		(24	)		(165	)	Salaries and employee benefits
Tax benefit		(652	)		(23	)	Income tax expense
Net of tax	$	1,021		$	34
Total reclassifications during the period, net of tax	$	1,605		$	(60	)

36

Note 8. Fair Value Measurements and Fair Value of Financial Instruments

U.S. 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 U.S. 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.

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 relies on both internal and external support on certain Level 3 investments. 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 nine month period ending September 30, 2015, the Company has made no transfers of assets between Level 1 and Level 2, and has had no Level 3 activity.

37

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):

September 30, 2015:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2015
Assets:
Securities Available for Sale:
Federal Agency		-		343,263		-		343,263
State & municipal		-		33,647		-		33,647
Mortgage-backed		-		335,810		-		335,810
Collateralized mortgage obligations		-		330,346		-		330,346
Other securities		7,422		7,909		-		15,331
Total Securities Available for Sale	$	7,422	$	1,050,975	$	-	$	1,058,397
Trading Securities		7,900		-		-		7,900
Interest Rate Swaps		-		8,707		-		8,707
Total	$	15,322	$	1,059,682	$	-	$	1,075,004
Liabilities:
Interest Rate Swaps	$	-	$	8,707	$	-	$	8,707
Total	$	-	$	8,707	$	-	$	8,707

December 31, 2014:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2014
Assets:
Securities Available for Sale:
U.S. Treasury	$	23,111	$	-	$	-	$	23,111
Federal Agency		-		329,914		-		329,914
State & municipal		-		37,570		-		37,570
Mortgage-backed		-		364,727		-		364,727
Collateralized mortgage obligations		-		242,129		-		242,129
Other securities		7,612		8,108		-		15,720
Total Securities Available for Sale	$	30,723	$	982,448	$	-	$	1,013,171
Trading Securities		7,793		-		-		7,793
Interest Rate Swaps		-		4,707		-		4,707
Total	$	38,516	$	987,155	$	-	$	1,025,671
Liabilities:
Interest Rate Swaps	$	-	$	4,707	$	-	$	4,707
Total	$	-	$	4,707	$	-	$	4,707

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Certain common equity securities are reported at fair value utilizing Level 1 inputs (exchange quoted prices).  The majority of the other investment securities are reported at fair value utilizing Level 2 inputs.  The prices for these 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. 

U.S. GAAP requires disclosure of assets and liabilities measured and recorded at fair value on a nonrecurring basis such as goodwill, loans held for sale, other real estate owned, collateral-dependent impaired loans, mortgage servicing rights, and held-to-maturity securities. The only nonrecurring fair value measurements recorded during the nine month period ended September 30, 2015 were related to impaired loans and other real estate owned, which were immaterial.  For the nine month periods ending September 30, 2015 and September 30, 2014, the Company had $9.9 million and $8.8 million, respectively, of loans recorded at fair value resulting in specific allowance reserves of $3.5 million and $3.6 million, respectively.  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.

The following table sets forth information with regard to estimated fair values of financial instruments at September 30, 2015 and December 31, 2014.  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, securities available for sale, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable, and interest rate swaps.

		September 30, 2015				December 31, 2014
(In thousands)	Fair Value Hierarchy	Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Financial assets
Securities held to maturity	2	$	470,758	$	475,436	$	454,361	$	454,994
Net loans	3		5,806,129		5,957,554		5,528,912		5,584,777
Financial liabilities
Time deposits	2	$	931,966	$	929,477	$	1,043,823	$	1,038,877
Long-term debt	2		130,635		132,849		130,945		132,562
Junior subordinated debt	2		101,196		91,396		101,196		103,770

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.

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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.

Securities Held to Maturity

The fair value of the Company’s investment securities held to maturity 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.  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.

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 that applies prevailing market interest rates for similar maturity instruments.

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Note 9. Commitments and Contingencies

The Company is a party to financial instruments in the normal course of business to meet the financing needs of its customers and to reduce its own exposure to fluctuating interest rates. These financial instruments include commitments to extend credit, unused lines of credit, and standby letters of credit. Exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to make loans and standby letters of credit is represented by the contractual amount of those instruments. The Company uses the same credit origination guidelines, portfolio maintenance and management procedures as other credit and off-balance sheet products.  Commitments to extend credit and unused lines of credit totaled $1.3 billion at September 30, 2015 and $1.2 billion at December 31, 2014.  Since commitments to extend credit and unused lines of credit may expire without being fully drawn upon, this amount does not necessarily represent future cash commitments. Collateral obtained upon exercise of the commitment is determined using management’s credit evaluation of the borrower and may include accounts receivable, inventory, property, land and other items.

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 credit 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 as 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 $32.4 million at September 30, 2015 and $35.2 million at December 31, 2014.  As of September 30, 2015, the fair value of standby letters of credit was not significant to the Company’s consolidated financial statements.

The Company has also entered into commercial letter of credit agreements on behalf of its customers.  Under these agreements, the Company, on the request of its customer, opens the letter of credit and makes a commitment to honor draws made under the agreement, whereby the beneficiary is normally the provider of goods and/or services and the Company essentially replaces the customer as the payee.  The credit risk involved in issuing commercial 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 as other credit and off-balance sheet products.  Typically, these agreements vary in terms and the total amounts do not necessarily represent future cash commitments.  Commercial letters of credit totaled $5.3 million at September 30, 2015 and $22.5 million at December 31, 2014.  As of September 30, 2015, the fair value of commercial letters of credit was not significant to the Company’s consolidated financial statements.

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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. and its wholly owned consolidated subsidiaries, NBT Bank, N.A. (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, 2014 for an understanding of the following discussion and analysis.  Operating results for the nine-month period ending September 30, 2015 are not necessarily indicative of the results of the full year ending December 31, 2015 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 shareholder 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 non-performing 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; (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 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 those described above and other factors discussed in the Company’s annual and quarterly reports previously filed with the SEC, 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.

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Unless required by law, the Company does not undertake, and specifically disclaims any obligations to publicly release any revisions 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 sales of securities and certain non-recurring and merger-related expenses.  Where non-GAAP disclosures are used in this Quarterly Report on 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 operating results of the Company’s core business due to the non-recurring nature of the excluded items.  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, other-than-temporary impairment, provision for income taxes, acquired loans and intangible assets.

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 adequate, 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.

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 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.

Management of the Company considers the accounting policy relating to other-than-temporary impairment to be a critical accounting policy.  Management systematically evaluates certain assets for other-than-temporary declines in fair value, primarily investment securities.  Management considers historical values and current market conditions as a part of the assessment.  The amount of the total other-than-temporary impairment related to the credit loss is recognized in earnings and the amount of the total other-than-temporary impairment related to other factors is generally recognized in other comprehensive income, net of applicable taxes.

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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 adverse effect on the Company’s results of operations.

Another critical accounting policy is the policy for acquired loans. Acquired loans are initially recorded at their acquisition date fair values.  The carryover of allowance for loan losses is prohibited as any credit losses in the loans are included in the determination of the fair value of the loans at the acquisition date.  Fair values for acquired loans are based on a discounted cash flow methodology that involves assumptions and judgments as to credit risk, prepayment risk, liquidity risk, default rates, loss severity, payment speeds, collateral values and discount rate.  Subsequent to the acquisition of acquired impaired loans, applicable accounting guidance requires the continued estimation of expected cash flows to be received.  This estimation involves the use of key assumptions and estimates, similar to those used in the initial estimate of fair value.  Changes in expected cash flows could result in the recognition of impairment through provision for credit losses.   Subsequent to the purchase date, the methods utilized to estimate the required allowance for loan losses for the non-impaired acquired loans is similar to originated loans.

As a result of acquisitions, the Company has acquired goodwill and identifiable intangible assets.  Goodwill represents the cost of acquired companies in excess of the fair value of net assets at the acquisition date.  Goodwill is evaluated at least annually or when business conditions suggest that an impairment may have occurred.  Goodwill will be reduced to its carrying value through a charge to earnings if impairment exists.  Core deposits and other identifiable intangible assets are amortized to expense over their estimated useful lives.  The determination of whether or not impairment exists is based upon discounted cash flow modeling techniques that require management to make estimates regarding the amount and timing of expected future cash flows.  It also requires them to select a discount rate that reflects the current return requirements of the market in relation to present risk-free interest rates, required equity market premiums and Company-specific risk indicators, all of which are susceptible to change based on changes in economic conditions and other factors.  Future events or changes in the estimates used to determine the carrying value of goodwill and identifiable intangible assets could have a material impact on the Company’s results of operations.

The Company’s policies on the allowance for loan losses, pension accounting, other-than-temporary impairment of investments, acquired loans, provision for income taxes and intangible assets are disclosed in Note 1 to the consolidated financial statements presented in our 2014 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 obtain a better understanding of how the Company’s financial performance is reported.

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, equity and tangible common equity, net interest margin, noninterest income, operating expenses, certain core results, 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 first nine months of 2015:

● Net income for the third quarter of 2015 was $19.9 million, up from $10.9 million from the third quarter of 2014 due primarily to non-core items recorded in 2014.  Excluding items considered non-core to our operations, core net income for the third quarter of 2015 was $19.8 million, equal to the same period in 2014.

● Net income for the first nine months of 2015 was $57.3 million, up from $56.6 million from the same period of 2014.  Excluding items considered non-core to our operations, core net income for the first nine months of 2015 was $57.5 million as compared to $57.3 million for the same period in 2014.

● While net interest income increased modestly from the third quarter of 2014 to the third quarter of 2015, the Company continues to experience net interest margin compression as net interest margin decreased from 3.61% for the third quarter of 2014 to 3.48% for the third quarter of 2015.  Net interest income was also up 0.7% for the first nine months of 2015 as compared to the same period in 2014, while net interest margin decreased from 3.61% to 3.53% for the same periods.

● Organic loan growth (annualized) for the third quarter of 2015 was 6.9% and 6.6% for the first nine months of 2015.

● Average demand deposits for the nine months ended September 30, 2015 were up 11.4% from the same period in 2014.

● Asset quality indicators remained strong:

o Nonperforming loans to total loans was 0.79% at September 30, 2015, as compared with 0.82% at December 31, 2014.

o Past due loans to total loans was 0.63% at September 30, 2015, as compared with 0.69% at December 31, 2014.

o Annualized net charge-offs to average loans was 0.35% for the third quarter of 2015, as compared with 0.36% for the same period last year.

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The following table depicts several annualized measurements of performance using core and GAAP net income that management reviews in analyzing the Company’s performance. Returns on average assets and average equity measure how effectively an entity utilizes its total resources and capital, respectively.

(Dollars in thousands)	For the three months ended						For the nine months ended
	September 30,						September 30,
	2015			2014			2015			2014
Reconciliation of Non-GAAP Financial Measures:
Reported net income (GAAP)	$	19,851		$	10,912		$	57,298		$	56,561
Noninterest income adjustments:
Gain on sale of securities		(3	)		(38	)		(43	)		(59	)
Gain on sale of Springstone		(4,179	)		-			(4,179	)		(19,401	)
Other adjustments(1)		-			-			-			(632	)
Noninterest expense adjustments:
Prepayment penalties related to debt restructuring		-			13,348			-			17,902
Other adjustments(2)		3,290			126			3,779			3,418
Tax provision adjustment		753			-			753			-
Total adjustments		(139	)		13,436			310			1,228
Total adjustments, net of tax	$	(92	)	$	8,891		$	206		$	749
Core net income	$	19,759		$	19,803		$	57,504		$	57,310
Profitability:
Core Diluted Earnings Per Share	$	0.45		$	0.45		$	1.29		$	1.29
Diluted Earnings Per Share	$	0.45		$	0.25		$	1.29		$	1.28
Core Return on Average Assets (3)		0.97	%		1.01	%		0.97	%		0.99	%
Return on Average Assets (3)		0.97	%		0.55	%		0.96	%		0.98	%
Core Return on Average Equity (3)		8.93	%		9.19	%		8.78	%		9.09	%
Return on Average Equity (3)		8.97	%		5.06	%		8.75	%		8.97	%
Core Return on Average Tangible Common Equity (3)(4)		13.60	%		14.35	%		13.45	%		14.36	%
Return on Average Tangible Common Equity (3)(4)		13.66	%		8.15	%		13.41	%		14.18	%

(1) Primarily settlement of litigation for the nine months ended September 30, 2014.

(2) Primarily reorganization expenses for the three months ended September 30, 2014 and 2015. Primarily incentive compensation related to sale of Springstone, settlement of litigation and reorganization expenses for the nine months ended September 30, 2014 and reorganization expenses for the nine months ended September 30, 2015.

(3) Annualized

(4) Excludes amortization of intangible assets (net of tax) from net income and average tangible common equity is calculated as follows:

	For the three months ended				For the nine months ended
	September 30,				September 30,
	2015		2014		2015		2014
Average stockholders' equity	$	878,305	$	855,164	$	875,874	$	843,005
Less: average goodwill and other intangibles		281,048		285,993		282,267		287,778
Average tangible common equity	$	597,257	$	569,171	$	593,607	$	555,227

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Results of Operations

Net income for the three months ended September 30, 2015 was $19.9 million, up from $10.9 million for the third quarter of 2014.  Reported net income for the three months ended September 30, 2015 included a contingent gain recognized from the 2014 sale of our ownership interest in Springstone LLC (“Springstone”), offset by reorganization expenses incurred during the third quarter of 2015.  Reported net income for the third quarter of 2014 included $8.8 million in prepayment penalties, net of tax, related to our long-term debt restructuring strategy.  Reported diluted earnings per share for the three months ended September 30, 2015 was $0.45, as compared with $0.25 per share for the third quarter of 2014.

Core net income for the three months ended September 30, 2015 was $19.8 million, equal to the same period last year.  Core earnings per diluted share for the three months ended September 30, 2015 was $0.45, equal to the third quarter of 2014.

Reported net income for the nine months ended September 30, 2015 was $57.3 million, up from $56.6 million for the same period last year.  Reported net income for the nine months ended September 30, 2015 included a contingent gain recognized from the 2014 sale of our ownership interest in Springstone, offset by reorganization expenses incurred during the third quarter of 2015.  Reported net income for the nine months ended September 30, 2014 included a gain on the sale of our ownership interest in Springstone, partially offset by prepayment penalties related to our long-term debt restructuring strategy in 2014.  Reported diluted earnings per share for the nine months ended September 30, 2015 was $1.29, as compared with $1.28 for the same period in 2014.

Core net income for the nine months ended September 30, 2015 was $57.5 million, up from $57.3 million for the same period last year.  Core earnings per diluted share for the nine months ended September 30, 2015 was $1.29, equal to the same period last year.

The third quarter and year to date reported results for 2015 and 2014 contained items which the Company considers non-core, such as gains on the sale of an equity investment, long-term debt restructuring prepayment penalties, reorganization expenses, and other items not considered core to our operations.

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 $64.2 million for the third quarter of 2015, up $0.5 million from the third quarter of 2014.  Fully taxable-equivalent ("FTE") net interest margin was 3.48% for the three months ended September 30, 2015, down from 3.61% for the third quarter of 2014.  Average interest earning assets were up $304.0 million, or 4.3%, from the same period in 2014.  This increase was driven primarily by organic loan production.  Annualized organic loan growth of 6.9% during the third quarter of 2015 was driven by growth in most portfolios.  Yields on earning assets decreased by 14 basis points (“bps”) from 3.91% during the third quarter of 2014 to 3.77% for the third quarter of 2015.  This decrease in yield was more than offset by the growth in earning assets, and resulted in a slight increase in interest income for the third quarter of 2015 as compared to the same quarter of 2014.  The yield compression was driven primarily by a 17 bp decrease in loan yields from the third quarter of 2014 to the third quarter of 2015.  Average interest bearing liabilities increased $78.5 million, or 1.5%, from the third quarter of 2014 to the third quarter of 2015, which was driven by an increase in interest-bearing deposits.  The rates paid on interest bearing liabilities decreased 1 bp from the third quarter of 2014 to the third quarter of 2015.

Net interest income was $189.1 million for the nine months ended September 30, 2015, up $1.2 million from the same period in 2014.  FTE net interest margin was 3.53% for the nine months ended September 30, 2015, down from 3.61% for the nine months ended September 30, 2014.  Average interest earning assets were up $208.2 million, or 3.0%, for the nine months ended September 30, 2015 as compared to the same period in 2014.  This increase from last year was driven primarily by 6.6% annualized organic loan growth during the first nine months of 2015.  Yields on earning assets decreased from 3.95% during the first nine months of 2014 to 3.81% for the first nine months of 2015, more than offsetting the growth in earning assets resulting in a 0.6% decrease in interest income for the nine months ended September 30, 2015 as compared to the same period in 2014.  The yield compression was driven by a 17 bp decrease in loan yields from the first nine months of 2014 to the first nine months of 2015.  Average interest bearing liabilities decreased $11.6 million, or 0.2%, from the nine months ended September 30, 2014 to the nine months ended September 30, 2015.  Total average deposits increased $369.0 million, or 6.1%, for the nine months ended September 30, 2015 as compared to the same period last year driven primarily by an 11.4% increase in non-interest bearing demand deposits, as well as increases in money market deposit accounts and savings deposits in the first nine months of 2015.  This increase was partially offset by a decrease in average long-term borrowings of $125.3 million for the nine months ended September 30, 2015 as compared to the same period last year due to the debt restructuring strategy completed during the third quarter of 2014.  In addition, average short-term borrowings decreased $67.9 million for the nine months ended September 30, 2015 as compared to the same period last year driven by deposit growth.  The rates paid on interest bearing liabilities decreased by 6 bps for the nine months ended September 30, 2015 as compared to the same period in 2014.  This decrease resulted primarily from a shift in deposits into lower cost core deposits as well as the aforementioned debt restructuring.

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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 35%.

Three Months ended

	September 30, 2015							September 30, 2014
	Average				Yield/			Average				Yield/
(dollars in thousands)	Balance		Interest		Rates			Balance		Interest		Rates
ASSETS
Short-term interest bearing accounts	$	8,100	$	6		0.32	%	$	4,791	$	7		0.54	%
Securities available for sale (1)		1,079,206		5,230		1.92	%		1,263,375		6,403		2.01	%
Securities held to maturity (1)		460,252		2,835		2.44	%		234,403		1,678		2.84	%
Investment in FRB and FHLB Banks		37,358		395		4.19	%		39,459		504		5.06	%
Loans (2)		5,824,311		61,848		4.21	%		5,563,206		61,380		4.38	%
Total interest earning assets		7,409,227	$	70,314		3.77	%		7,105,234	$	69,972		3.91	%
Other assets		690,768							697,814
Total assets	$	8,099,995						$	7,803,048
LIABILITIES AND STOCKHOLDERS' EQUITY
Money market deposit accounts	$	1,557,651	$	859		0.22	%	$	1,452,287	$	682		0.19	%
NOW deposit accounts		963,744		126		0.05	%		927,026		128		0.05	%
Savings deposits		1,085,680		168		0.06	%		1,025,795		182		0.07	%
Time deposits		939,542		2,401		1.01	%		1,032,370		2,506		0.96	%
Total interest bearing deposits	$	4,546,617	$	3,554		0.31	%	$	4,437,478	$	3,498		0.31	%
Short-term borrowings		456,663		296		0.26	%		447,761		262		0.23	%
Junior subordinated debt		101,196		560		2.20	%		101,196		544		2.13	%
Long-term debt		130,680		845		2.56	%		170,223		1,067		2.49	%
Total interest bearing liabilities	$	5,235,156	$	5,255		0.40	%	$	5,156,658	$	5,371		0.41	%
Demand deposits		1,894,555							1,708,632
Other liabilities		91,979							82,594
Stockholders' equity		878,305							855,164
Total liabilities and stockholders' equity	$	8,099,995						$	7,803,048
Net interest income (FTE)				65,059							64,601
Interest rate spread						3.37	%						3.50	%
Net interest margin						3.48	%						3.61	%
Taxable equivalent adjustment				814							838
Net interest income			$	64,245						$	63,763

(1) Securities are shown at average amortized cost

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

47

Nine Months ended

	September 30, 2015							September 30, 2014
	Average				Yield/			Average				Yield/
(dollars in thousands)	Balance		Interest		Rates			Balance		Interest		Rates
ASSETS
Short-term interest bearing accounts	$	9,033	$	22		0.33	%	$	3,821	$	21		0.73	%
Securities available for sale (1)		1,055,456		15,579		1.97	%		1,340,044		20,614		2.06	%
Securities held to maturity (1)		456,072		8,415		2.47	%		157,784		3,727		3.16	%
Investment in FRB and FHLB Banks		33,308		1,254		5.03	%		41,992		1,531		4.88	%
Loans (2)		5,700,673		181,619		4.26	%		5,502,656		182,383		4.43	%
Total interest earning assets		7,254,542	$	206,889		3.81	%		7,046,297	$	208,276		3.95	%
Other assets		690,774							685,861
Total assets	$	7,945,316						$	7,732,158
LIABILITIES AND STOCKHOLDERS' EQUITY
Money market deposit accounts	$	1,567,060	$	2,462		0.21	%	$	1,435,155	$	1,748		0.16	%
NOW deposit accounts		970,139		375		0.05	%		940,064		384		0.05	%
Savings deposits		1,069,056		492		0.06	%		1,022,212		551		0.07	%
Time deposits		974,110		7,315		1.00	%		1,001,301		7,099		0.95	%
Total interest bearing deposits	$	4,580,365	$	10,644		0.31	%	$	4,398,732	$	9,782		0.30	%
Short-term borrowings		342,293		561		0.22	%		410,242		702		0.23	%
Junior subordinated debt		101,196		1,645		2.17	%		101,196		1,620		2.14	%
Long-term debt		130,767		2,507		2.56	%		256,084		5,709		2.98	%
Total interest bearing liabilities	$	5,154,621	$	15,357		0.40	%	$	5,166,254	$	17,813		0.46	%
Demand deposits		1,827,441							1,640,097
Other liabilities		87,380							82,802
Stockholders' equity		875,874							843,005
Total liabilities and stockholders' equity	$	7,945,316						$	7,732,158
Net interest income (FTE)				191,532							190,463
Interest rate spread						3.41	%						3.49	%
Net interest margin						3.53	%						3.61	%
Taxable equivalent adjustment				2,436							2,609
Net interest income			$	189,096						$	187,854

(1) Securities are shown at average amortized cost

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

48

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 September 30,
	Increase (Decrease)
	2015 over 2014
(in thousands)	Volume			Rate			Total
Short-term interest bearing accounts	$	4		$	(5	)	$	(1	)
Securities available for sale		(902	)		(271	)		(1,173	)
Securities held to maturity		1,420			(263	)		1,157
Investment in FRB and FHLB Banks		(26	)		(83	)		(109	)
Loans		2,821			(2,353	)		468
Total interest income		3,317			(2,975	)		342
Money market deposit accounts		52			125			177
NOW deposit accounts		5			(7	)		(2	)
Savings deposits		10			(24	)		(14	)
Time deposits		(233	)		128			(105	)
Short-term borrowings		5			29			34
Junior subordinated debt		-			16			16
Long-term debt		(255	)		33			(222	)
Total interest expense		(416	)		300			(116	)
Change in FTE net interest income	$	3,733		$	(3,275	)	$	458
Nine months ended September 30,
	Increase (Decrease)
	2015 over 2014
(in thousands)	Volume			Rate			Total
Short-term interest bearing accounts	$	18		$	(17	)	$	1
Securities available for sale		(4,229	)		(806	)		(5,035	)
Securities held to maturity		5,664			(976	)		4,688
Investment in FRB and FHLB Banks		(326	)		49			(277	)
Loans		6,441			(7,205	)		(764	)
Total interest income		7,568			(8,955	)		(1,387	)
Money market deposit accounts		172			542			714
NOW deposit accounts		12			(21	)		(9	)
Savings deposits		24			(83	)		(59	)
Time deposits		(196	)		412			216
Short-term borrowings		(112	)		(29	)		(141	)
Junior subordinated debt		-			25			25
Long-term debt		(2,490	)		(712	)		(3,202	)
Total interest expense		(2,590	)		134			(2,456	)
Change in FTE net interest income	$	10,158		$	(9,089	)	$	1,069

49

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 September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
(in thousands)
Insurance and other financial services revenue	$	5,862	$	6,179	$	18,072	$	18,510
Service charges on deposit accounts		4,349		4,519		12,706		13,285
ATM and debit card fees		4,780		4,440		13,707		12,869
Retirement plan administration fees		3,249		3,272		10,011		9,167
Trust		4,611		4,758		14,257		14,157
Bank owned life insurance		931		1,095		3,418		3,455
Net securities gains		3		38		43		59
Gain on sale of equity investment		4,179		-		4,179		19,401
Other		3,297		2,376		9,617		8,078
Total noninterest income	$	31,261	$	26,677	$	86,010	$	98,981

Noninterest income for the three months ended September 30, 2015 was $31.3 million, up $4.6 million from the third quarter of 2014.  Excluding the contingent gain recognized totaling $4.2 million in the third quarter of 2015 from the sale of Springstone and securities gains, noninterest income for the three months ended September 30, 2015 was $27.1 million, up $0.4 million from the third quarter of 2014.  This increase was primarily due to a $0.9 million increase in other noninterest income from the third quarter of 2014 to the third quarter of 2015, due primarily to a recovery recognized during the third quarter of 2015 on an acquired commercial loan.

Noninterest income for the nine months ended September 30, 2015 was $86.0 million, down $13.0 million from the same period last year.   Excluding the gains recorded in both periods from the 2014 sale of Springstone, securities gains, and other items not considered core to our operations, noninterest income for the nine months ended September 30, 2015 was $81.8 million, up $2.9 million, or 3.7% from the same period last year.  The increase from the prior year was driven primarily by increases in retirement plan administration fees, ATM and debit card fees, and other noninterest income.  Retirement plan administration fees were up $0.8 million, or 9.2%, for the nine months ended September 30, 2015 as compared to the same period in 2014 due primarily to new business generation.  ATM and debit card fees were up $0.8 million, or 6.5%, for the nine months ended September 30, 2015 as compared to the same period last year due primarily to an increase in debit card activity.  Other noninterest income was up $1.5 million, or 19.1%, for the nine months ended September 30, 2015 as compared to the same period in 2014 due primarily to the acquired loan charge-off recoveries recognized in 2015.

50

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 September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
(in thousands)
Salaries and employee benefits	$	30,227	$	28,933	$	91,240	$	89,609
Occupancy		5,326		5,211		16,804		16,872
Data processing and communications		4,207		4,029		12,598		12,045
Professional fees and outside services		3,137		3,695		10,029		10,862
Equipment		3,352		3,199		9,917		9,447
Office supplies and postage		1,576		1,733		4,822		5,221
FDIC expenses		1,355		1,135		3,833		3,642
Advertising		421		403		1,874		1,868
Amortization of intangible assets		1,165		1,275		3,636		3,821
Loan collection and other real estate owned		699		705		1,593		2,546
Prepayment penalties on long term debt		-		13,348		-		17,902
Other		8,426		5,401		19,211		15,485
Total noninterest expense	$	59,891	$	69,067	$	175,557	$	189,320

Noninterest expense for the three months ended September 30, 2015 was $59.9 million, down $9.2 million from the third quarter of 2014.  Excluding reorganization expenses incurred in the third quarter of 2015, prepayment penalties incurred in the third quarter of 2014, and other items not considered core to our operations, noninterest expense was up $1.0 million from the third quarter of 2014.  This increase was due primarily to a $1.3 million increase in salaries and employee benefits in the third quarter of 2015 driven by higher post retirement costs and higher incentive compensations costs.  This increase was partially offset by a decrease in professional fees and outside services for the third quarter of 2015 compared to the third quarter of 2014 driven by consulting costs incurred in 2014 related to contract negotiations.

Noninterest expense for the nine months ended September 30, 2015 was $175.6 million, down $13.8 million or 7.3% from the same period in 2014, due primarily to $17.9 million in prepayment penalties from long-term, debt restructuring in 2014.  Excluding non-core items including these prepayment penalties, reorganization expenses, and other items not considered core to our operations, noninterest expense was up $3.8 million, or 2.2%, for the first nine months of 2015 as compared to the same period last year.  Salaries and employee benefits were up $1.6 million, or 1.8% for the nine months ended September 30, 2015 as compared with the same period in 2014.  Excluding incentive compensation expenses recorded in 2014 related to the Springstone sale, salaries and employee benefits were up $4.1 million, or 4.7%, from the first nine months of 2014 to the first nine months of 2015.  This increase was driven by higher retirement plan costs, higher medical expenses, and an increase in salaries expense.  This increase in salaries and employee benefits was partially offset by a $1.0 million decrease in loan collection and other real estate owned expenses for the nine months ended September 30, 2015 as compared to the same period last year.  This decrease was due primarily to gains on sales of real estate recorded in the second quarter of 2015, which offset expenses during the period.

Income Taxes

Income tax expense for the three month period ended September 30, 2015 was $10.8 million, up $5.2 million from the third quarter of 2014, which included the impact of the aforementioned non-core items.  The increase from the third quarter of 2014 was due primarily to a higher level of taxable income for the third quarter of 2015.  The effective tax rate was 35.2% for the third quarter of 2015 as compared with 33.8% for the third quarter of 2014.

Income tax expense for the nine month period ended September 30, 2015 was $29.7 million, up $1.4 million from the same period in 2014.  The effective tax rate was 34.2% for the first nine months of 2015 as compared to 33.4% for the first nine months of 2014.

ANALYSIS OF FINANCIAL CONDITION

Securities

Total securities increased $61.7 million, or 4.2%, from December 31, 2014 to September 30, 2015 due to reinvestment of cash flows during the first nine months of 2015.  The securities portfolio represents 18.8% of total assets as of September 30, 2015 as compared to 18.9% as of December 31, 2014.

51

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

	September 30, 2015			December 31, 2014
Mortgage-backed securities:
With maturities 15 years or less		22	%		24	%
With maturities greater than 15 years		1	%		1	%
Collateral mortgage obligations		40	%		38	%
Municipal securities		14	%		12	%
US agency notes		22	%		24	%
Other		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. Securities of the Notes to Unaudited Interim Consolidated Financial Statements 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:

	September 30, 2015		December 31, 2014
Residential real estate mortgages	$	1,177,195	$	1,115,715
Commercial		1,167,007		1,144,761
Commercial real estate mortgages		1,435,378		1,334,984
Consumer		1,549,844		1,430,216
Home equity		541,564		569,595
Total loans and leases	$	5,870,988	$	5,595,271

Total loans increased by $275.7 million, or 4.9%, at September 30, 2015 from December 31, 2014, or 6.6% annualized during the nine months ended September 30, 2015.  Loan growth was attributable to growth in most loan portfolios.  Loans represent approximately 71.9% of assets as of September 30, 2015, as compared to 71.8% as of December 31, 2014. 

52

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 adequately for 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.

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.

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 loans evaluated on a portfolio basis, 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 charges 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 adequate 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.

53

Allowance For Loan Losses
	Three months ended
	September 30, 2015					September 30, 2014
Balance, beginning of period	$	64,959				$	69,534
Recoveries		1,308					892
Chargeoffs		(6,374	)				(5,977	)
Net chargeoffs		(5,066	)				(5,085	)
Provision for loan losses		4,966					4,885
Balance, end of period	$	64,859				$	69,334
Composition of Net Chargeoffs
Commercial and agricultural	$	(1,075	)	21	%	$	(1,264	)	25	%
Real estate mortgage		(350	)	7	%		(474	)	9	%
Consumer		(3,641	)	72	%		(3,347	)	66	%
Net chargeoffs	$	(5,066	)	100	%	$	(5,085	)	100	%
Annualized net chargeoffs to average loans		0.35	%				0.36	%
Allowance For Loan and Lease Losses
	Nine months ended
	September 30, 2015					September 30, 2014
Balance, beginning of period	$	66,359				$	69,434
Recoveries		3,416					3,300
Chargeoffs		(17,422	)				(16,047	)
Net chargeoffs		(14,006	)				(12,747	)
Provision for loan losses		12,506					12,647
Balance, end of period	$	64,859				$	69,334
Composition of Net Chargeoffs
Commercial and agricultural	$	(1,943	)	14	%	$	(2,457	)	19	%
Real estate mortgage		(1,214	)	9	%		(718	)	6	%
Consumer		(10,849	)	77	%		(9,572	)	75	%
Net chargeoffs	$	(14,006	)	100	%	$	(12,747	)	100	%
Annualized net chargeoffs to average loans		0.33	%				0.31	%

Net charge-offs were $5.1 million for the three months ended September 30, 2015, equal to the third quarter of 2014.  Provision expense was $5.0 million for the three months ended September 30, 2015, as compared with $4.9 million for the third quarter of 2014.  Annualized net charge-offs to average loans for the third quarter of 2015 was 0.35%, compared with 0.36% for the third quarter of 2014.

Nonperforming loans to total loans was 0.79% at September 30, 2015, down 3 bps from December 31, 2014.  Past due loans as a percentage of total loans were 0.63% at September 30, 2015 as compared to 0.69% at December 31, 2014.

The allowance for loan losses totaled $64.9 million at September 30, 2015, compared to $66.4 million at December 31, 2014.  The allowance for loan losses as a percentage of loans was 1.10% (1.21% excluding acquired loans with no related allowance recorded) at September 30, 2015, compared to 1.19% (1.36% excluding acquired loans with no related allowance recorded) at December 31, 2014.  The decrease in the allowance for loan losses as a percentage of loans from the prior period was due primarily to continued positive trends in asset quality metrics of the originated loan portfolio including continued improvement in the level of charge-offs as well as improvement in qualitative environmental factors resulting from continued improvement in the economy.

54

Nonperforming assets consist of nonaccrual loans, loans 90 days or more past due and still accruing, restructured loans, OREO, and nonperforming securities. Loans are generally placed on nonaccrual when principal or interest payments become ninety 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. 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.

(Dollars in thousands)	September 30, 2015						December 31, 2014
Nonaccrual loans	Amount			%			Amount			%
Commercial and agricultural loans and real estate	$	21,604			50	%	$	18,226			45	%
Real estate mortgages		8,799			21	%		10,867			26	%
Consumer		6,675			16	%		8,086			20	%
Troubled debt restructured loans		5,446			13	%		3,895			9	%
Total nonaccrual loans		42,524			100	%		41,074			100	%
Loans 90 days or more past due and still accruing
Commercial and agricultural loans and  real estate		12			0	%		84			2	%
Real estate mortgages		1,832			48	%		1,927			39	%
Consumer		1,946			52	%		2,930			59	%
Total loans 90 days or more past due and still accruing		3,790			100	%		4,941			100	%
Total nonperforming loans		46,314						46,015
Other real estate owned (OREO)		4,855						3,964
Total nonperforming assets	$	51,169					$	49,979
Total nonperforming loans to total loans and leases		0.79	%					0.82	%
Total nonperforming assets to total assets		0.63	%					0.64	%
Allowance for loan losses to total nonperforming loans		140.04	%					144.21	%

Past due loans as a percentage of total loans was 0.63% at September 30, 2015, down from 0.69% at December 31, 2014.  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.

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 acquisition of loans related to the Alliance Financial Corporation ("Alliance") merger were the allowance for loans losses to total loans,  and total allowance for loan losses to nonperforming loans.  As of September 30, 2015, the allowance for loan losses to total originated loans and the total allowance for loan losses to originated nonperforming loans were 1.21% and 192.49%, respectively. As of December 31, 2014, the allowance for loan losses to total originated loans and the total allowance for loan losses to originated nonperforming loans were 1.36% and 187.88%, respectively.

Loans acquired from Alliance that were not deemed to be impaired at acquisition and were classified as non-accrual and greater than 90 days past due and still accruing prior to acquisition, continued to be classified as non-accrual and 90 days past due and still accruing immediately after the acquisition. Loans acquired from Alliance that were classified as TDRs prior to acquisition are no longer classified as such immediately following the acquisition. Acquired credit impaired loans from the Alliance acquisition were not classified non-accrual, even though they may be contractually past due, because we expect to fully collect the recorded investment of such loans and can reasonably estimate the cash flows.

In addition to nonperforming loans, the Company has also identified approximately $73.6 million in potential problem loans at September 30, 2015 as compared to $93.6 million at December 31, 2014.  At September 30, 2015, potential problem loans primarily consisted of commercial real estate and commercial and agricultural loans.  Potential problem loans are loans that are currently performing, but known information about possible credit problems of the borrowers causes management to have doubts as to the ability of such borrowers to comply with the present loan repayment terms and which may result in classification of such loans as nonperforming at some time in the future.  Potential problem loans are typically defined as loans that are performing but 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.

55

Deposits

Total deposits were $6.6 billion at September 30, 2015, up $301.0 million, or 4.8%, from December 31, 2014.  This increase was driven primarily by increases in savings accounts, money market accounts, interest bearing checking accounts and demand deposit accounts.  Total average deposits for the nine months ended September 30, 2015 increased $369.0 million, or 6.1%, from the same period in 2014, due primarily to organic deposit growth in 2015.  This growth was driven by growth in average demand deposits of $187.3 million from the nine months ended September 30, 2014 to the same period in 2015.  In addition, average money market deposit account balances increased $131.9 million from the nine months ended September 30, 2014 to the same period in 2015.

Borrowed Funds

The Company's borrowed funds consist of short-term borrowings and long-term debt. Short-term borrowings totaled $362.3 million at September 30, 2015 compared to $316.8 million at December 31, 2014.  Long-term debt was $130.6 million at September 30, 2015, as compared to $130.9 million at December 31, 2014. 

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

Capital Resources

Stockholders' equity of $876.2 million represented 10.74% of total assets at September 30, 2015, compared with $864.2 million, or 11.08% as of December 31, 2014.  The increase in stockholders' equity resulted primarily from net income of $57.3 million for the first nine months of 2015, partially offset by dividends paid of $28.6 million and treasury share purchases totaling $26.8 million during the period.

The Company purchased 1,047,152 shares of its common stock during the nine months ended September 30, 2015 at an average price of $25.59 per share under previously announced plans.  As of September 30, 2015, there were 952,848 shares available for repurchase under the repurchase plan that was announced on July 27, 2015, which expires on December 31, 2016.

The Board of Directors considers the Company's earnings position and earnings potential when making dividend decisions.  The NBT Board of Directors approved a 2015 fourth-quarter cash dividend of $0.22 per share at a meeting held on October 26, 2015. The dividend will be paid on December 15, 2015 to shareholders of record as of December 1, 2015.  The Company does not have a target dividend pay-out ratio.

As the capital ratios in the following table indicate, the Company remained “well capitalized” at September 30, 2015 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	September 30, 2015			December 31, 2014
Tier 1 leverage ratio		9.34	%		9.39	%
Common equity tier 1 capital ratio		10.04	%	NA
Tier 1 capital ratio		11.57	%		12.32	%
Total risk-based capital ratio		12.62	%		13.50	%
Cash dividends as a percentage of net income		49.83	%		49.16	%
Per common share:
Book value	$	20.29		$	19.69
Tangible book value (1)	$	13.80		$	13.22

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

In July 2013, the Federal Reserve and OCC published final rules establishing a new comprehensive framework for U.S. banking organizations (the "New Capital Rules"). Effective January 1, 2015, we became subject to the Standardized approach under the New Capital Rules which implemented the Basel Committee's December 2010 capital framework known as "Basel III" for strengthening international capital standards as well as certain provisions of the Dodd-Frank Act. Prior to January 1, 2015, the Company and the Bank were subject to the capital requirements of Basel I. Compared to Basel I, Basel III narrows the definition of regulatory capital and increases the capital requirements and revisions to Tier 1 common (referred to as Common Equity Tier 1 under Basel III), Tier 1 capital and Tier 2 capital are subject to phase-in from 2015 to 2019 and during that period, such capital amounts represent Basel III Transitional capital. In addition, Basel III establishes the Standardized approach for calculating risk weighted assets, replacing the risk weighting asset calculation framework under Basel I.

56

Liquidity and Interest Rate Sensitivity Management

Market Risk

Interest rate risk is the primary 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.  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.  Assuming interest rates remain at or near current historical lows, net interest margin will continue to experience compression.  Additional rate reductions on deposits are becoming more difficult as deposit rates are at or near their floors, and with asset yields continuing to reprice at lower rates, this could result in additional margin pressure as well as a decrease in net interest income.

The primary tool utilized by ALCO to manage interest rate risk is a balance sheet/income statement simulation model (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.

57

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 over a 12-month period.  Two additional models are run with static balance sheets: (1) a gradual increase of 200 bp, and (2) a gradual decrease of 100 bp taking place over a 12-month period. 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 repricing downward at a faster rate than interest bearing liabilities. The inability to effectively lower deposit rates will likely reduce or eliminate the benefit of lower interest rates. In the rising rate scenarios, net interest income is projected to experience a decline from the flat rate scenario. Net interest income is projected to remain at lower levels than in a flat rate scenario through the simulation period primarily due to a lag in assets repricing while funding costs increase. The potential impact on earnings is dependent on the ability to lag deposit repricing. If short-term rates continue to increase, the Company expects competitive pressures will likely lead to core deposit pricing increases, which will likely continue compression of the net interest margin.

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 September 30, 2015 balance sheet position:

Interest Rate Sensitivity Analysis
Change in interest rates	Percent change in
(in bp points)	net interest income
+200	(3.35%)
-100	(1.53%)

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. The 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 and tactical actions. 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.  Basic Surplus is calculated by subtracting short-term liabilities from liquid assets.  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 September 30, 2015, the Company’s Basic Surplus measurement was 15.5% of total assets or approximately $1.3 billion as compared to the December 31, 2014 Basic Surplus of 15.4% or $1.2 billion, and was above the Company’s minimum of 5% or $408 million set forth in its liquidity policies.

58

This Basic Surplus approach enables the Company to adequately manage liquidity 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’s primary source of funds is the Bank. Certain restrictions exist regarding the ability of the 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 defined in the regulations). At September 30, 2015, approximately $83.7 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 General Corporation Law of the State of Delaware, the Company may declare and pay dividends either out of its surplus or, in case there is no surplus, out of its net profits for the fiscal year in which the dividend is declared and/or the preceding fiscal year.

At September 30, 2015 and December 31, 2014, FHLB advances outstanding totaled approximately $400 million and $352 million, respectively.  The Bank is a member of the FHLB system and had additional borrowing capacity from the FHLB of approximately $1.1 billion at September 30, 2015 and $1.0 billion at December 31, 2014.  In addition, unpledged securities could have been used to increase borrowing capacity at the FHLB by an additional $419 million at September 30, 2015, or used to collateralize other borrowings, such as repurchase agreements.  At September 30, 2015 the Bank also had additional borrowing capacity from unused collateral at the Federal Reserve of $821 million.

Recent Accounting Pronouncements

In September 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2015-16, Business Combinations - Simplifying the Accounting for Measurement-Period Adjustments (Topic 805).  The amendments in ASU 2015-16 The amendments in this Update require that an acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The amendments in this Update require that the acquirer record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization, or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date. The amendments in this Update require an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date.  The guidance becomes effective for us on January 1, 2016 and is not expected to have a material impact on our financial statements.

In April 2015, the FASB issued ASU No. 2015-03, Interest – Imputation of Interest (Subtopic 835-30).  The amendments in ASU 2015-03 are intended to simplify the presentation of debt issuance costs. These amendments require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in this ASU.  The guidance becomes effective for us on January 1, 2016 and is not expected to have a material impact on our financial statements.

In February 2015, the FASB issued ASU No. 2015-02 —Consolidation (Topic 810), Amendments to the Consolidation Analysis.  The update amends existing standards regarding the evaluation of certain legal entities and their consolidation in the financial statements. The amendments modify the evaluation of whether limited partnerships and similar legal entities are variable interest entities or voting interest entities and eliminate the presumption that a general partner should consolidate a limited partnership. The amendments also affect the consolidation analysis of reporting entities that are involved with variable interest entities and provide a scope exception from consolidation guidance for reporting entities with interests in legal entities that are required to comply with or operate in accordance with requirements that are similar to those in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds. The guidance becomes effective for us on January 1, 2016 and we are evaluating the impact of this guidance on our financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606). This new guidance supersedes the revenue recognition requirements in ASC 605, Revenue Recognition, 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 also 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. In April 2015, the FASB approved deferral of the effective date of this guidance, which is now effective prospectively for the Company for annual and interim periods beginning after December 15, 2017. The Company is currently evaluating the effect the guidance will have on the Company’s consolidated financial statements.

59

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 September 30, 2015, 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.

60

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 2014 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 2014 Annual Report on Form 10-K.

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

(a) Not applicable

(b) Not applicable

(c) The table below sets forth the information with respect to purchases made by the Company or any "affiliated purchaser" (as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934) of our common stock during the quarter ended September 30, 2015:

Period	Total Number of Shares Purchased		Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans		Maximum Number of Shares That May Yet be Purchased Under The Plans (1)
7/1/15 - 7/31/15		28,095	$	26.95		28,095		1,538,554
8/1/15 - 8/31/15		357,378		26.30		357,378		1,181,176
9/1/15 - 9/30/15		228,328		26.13		228,328		952,848
Total		613,801	$	26.27		613,801		952,848

(1)  The Company purchased 1,047,152 shares of its common stock during the nine months ended September 30, 2015 at an average price of $25.59 per share under previously announced plans.  As of September 30, 2015, there were 952,848 shares available for repurchase under the repurchase plan that was announced on July 27, 2015, which expires on December 31, 2016.

Item 3 – DEFAULTS UPON SENIOR SECURITIES

None

Item 4 – MINE SAFETY DISCLOSURES

None

Item 5 – OTHER INFORMATION

None

61

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 the Registrant's Form 10-Q, filed on August 10, 2015 and incorporated herein by reference).
3.2	Amended and Restated By-laws of NBT Bancorp Inc., effective July 1, 2015 (filed as Exhibit 3.2 to the Registrant's Form 8-K, filed on July 1, 2015 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).
4.1	Specimen common stock certificate for NBT's common stock (filed as exhibit 4.3 to the Registrant's Amendment No. 1 to Registration Statement on Form S-4 filed on December 27, 2005 and incorporated herein by reference).
31.1	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Written Statement of the Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Written Statement of the Chief Financial Officer 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.

62

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 November 2015.

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

63

EXHIBIT INDEX

3.1	Restated Certificate of Incorporation of NBT Bancorp Inc. as amended through July 1, 2015 (filed as Exhibit 3.1 to the Registrant's Form 10-Q, filed on August 10, 2015 and incorporated herein by reference).
3.2	Amended and Restated By-laws of NBT Bancorp Inc., effective July 1, 2015 (filed as Exhibit 3.2 to the Registrant's Form 8-K, filed on July 1, 2015 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).
4.1	Specimen common stock certificate for NBT's common stock (filed as exhibit 4.3 to the Registrant's Amendment No. 1 to Registration Statement on Form S-4 filed on December 27, 2005 and incorporated herein by reference).
31.1	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Written Statement of the Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Written Statement of the Chief Financial Officer 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.

64

EX-31.1

EXHIBIT 31.1

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

I, Martin A. Dietrich, 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: November 9, 2015

By:	/s/ Martin A. Dietrich
	Martin A. Dietrich
	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: November 9, 2015

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 September 30, 2015, 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/ Martin A. Dietrich

Martin A. Dietrich

Chief Executive Officer

November 9, 2015

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 September 30, 2015, 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

November 9, 2015

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

Reclassification Adjustments Out of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities (gains) losses	$ (3)	$ (38)	$ (43)	$ (59)
Interest income	64,245	63,763	189,096	187,854
Salaries and employee benefits	30,227	28,933	91,240	89,609
Income tax expense (benefit)	10,798	5,576	29,745	28,307
Net of tax	19,851	10,912	57,298	56,561
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	535	(71)	1,605	(60)
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities (gains) losses	(3)	(38)	(43)	(59)
Interest income	328	(99)	999	(99)
Income tax expense (benefit)	(127)	55	(372)	64
Net of tax	198	(82)	584	(94)
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense (benefit)	(214)	(8)	(652)	(23)
Net of tax	337	11	1,021	34
Amortization of Net Gains [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	566	74	1,697	222
Amortization of Prior Service Costs [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	$ (15)	$ (55)	$ (24)	$ (165)

XML

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

9 Months Ended

Sep. 30, 2015

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

Portfolio and Class Segments

The following table illustrates the portfolio and class segments for the Company’s loan portfolio:

Portfolio	Class
Commercial Loans	Commercial
	Commercial Real Estate
	Agricultural
	Agricultural Real Estate
	Business Banking
Consumer Loans	Indirect
	Home Equity
	Direct
Residential Real Estate Mortgages

Allowance for Loan Losses by Portfolio

The following tables illustrate the changes in the allowance for loan losses by our portfolio segments for the three and nine months ended September 30, 2015 and 2014:

Three months ended September 30,	Commercial Loans			Consumer Loans			Residential Real Estate Mortgages			Unallocated		Total
Balance as of June 30, 2015	$	28,326		$	28,314		$	8,281		$	38	$	64,959
Charge-offs		(1,333	)		(4,530	)		(511	)		-		(6,374	)
Recoveries		258			889			161			-		1,308
Provision		(2,800	)		7,333			51			382		4,966
Ending Balance as of September 30, 2015	$	24,451		$	32,006		$	7,982		$	420	$	64,859
Balance as of June 30, 2014	$	35,123		$	27,973		$	6,205		$	233	$	69,534
Charge-offs		(1,517	)		(3,979	)		(481	)		-		(5,977	)
Recoveries		253			632			7			-		892
Provision		1,779			2,826			212			68		4,885
Ending Balance as of September 30, 2014	$	35,638		$	27,452		$	5,943		$	301	$	69,334

Nine months ended September 30,	Commercial Loans			Consumer Loans			Residential Real Estate Mortgages			Unallocated		Total
Balance as of December 31, 2014	$	32,433		$	26,720		$	7,130		$	76	$	66,359
Charge-offs		(2,715	)		(13,183	)		(1,524	)		-		(17,422	)
Recoveries		772			2,334			310			-		3,416
Provision		(6,039	)		16,135			2,066			344		12,506
Ending Balance as of September 30, 2015	$	24,451		$	32,006		$	7,982		$	420	$	64,859
Balance as of December 31, 2013	$	35,090		$	27,694		$	6,520		$	130	$	69,434
Charge-offs		(3,423	)		(11,659	)		(965	)		-		(16,047	)
Recoveries		966			2,087			247			-		3,300
Provision		3,005			9,330			141			171		12,647
Ending Balance as of September 30, 2014	$	35,638		$	27,452		$	5,943		$	301	$	69,334

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments as of September 30, 2015 and December 31, 2014:

Allowance for Loan Losses and Recorded Investment in Loans

(in thousands)

	Commercial Loans		Consumer Loans		Residential Real Estate Mortgages		Unallocated		Total
As of September 30, 2015
Allowance for loan losses	$	24,451	$	32,006	$	7,982	$	420	$	64,859
Allowance for loans individually evaluated for impairment		3,545		-		-				3,545
Allowance for loans collectively evaluated for impairment	$	20,906	$	32,006	$	7,982	$	420	$	61,314
Ending balance of loans	$	2,602,385	$	2,091,408	$	1,177,195			$	5,870,988
Ending balance of originated loans individually evaluated for impairment		12,559		7,590		5,867				26,016
Ending balance of acquired loans individually evaluated for impairment		9,317		-		-				9,317
Ending balance of acquired loans collectively evaluated for impairment		295,890		106,968		241,646				644,504
Ending balance of originated loans collectively evaluated for impairment	$	2,284,619	$	1,976,850	$	929,682			$	5,191,151
As of December 31, 2014
Allowance for loan losses	$	32,433	$	26,720	$	7,130	$	76	$	66,359
Allowance for loans individually evaluated for impairment		1,100		-		-				1,100
Allowance for loans collectively evaluated for impairment	$	31,333	$	26,720	$	7,130	$	76	$	65,259
Ending balance of loans	$	2,473,702	$	2,005,980	$	1,115,589			$	5,595,271
Ending balance of originated loans individually evaluated for impairment		11,079		5,498		3,544				20,121
Ending balance of acquired loans individually evaluated for impairment		5,675		-		-				5,675
Ending balance of acquired loans collectively evaluated for impairment		327,656		147,256		266,747				741,659
Ending balance of originated loans collectively evaluated for impairment	$	2,129,292	$	1,853,226	$	845,298			$	4,827,816

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 as of September 30, 2015 and December 31, 2014:

Age Analysis of Past Due Financing Receivables

As of September 30, 2015

(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		Non-Accrual		Current		Recorded Total Loans
ORIGINATED
Commercial Loans
Commercial	$	2,050	$	100	$	-	$	2,150	$	1,264	$	647,577	$	650,991
Commercial Real Estate		537		-		-		537		6,236		1,176,523		1,183,296
Agricultural		-		-		-		-		900		32,486		33,386
Agricultural Real Estate		557		-		-		557		500		25,758		26,815
Business Banking		1,930		145		-		2,075		4,947		395,668		402,690
		5,074		245		-		5,319		13,847		2,278,012		2,297,178
Consumer Loans
Indirect		15,041		3,159		1,488		19,688		1,718		1,431,946		1,453,352
Home Equity		4,091		1,205		384		5,680		5,436		462,546		473,662
Direct		526		99		59		684		86		56,656		57,426
		19,658		4,463		1,931		26,052		7,240		1,951,148		1,984,440
Residential Real Estate Mortgages		2,312		80		1,253		3,645		8,462		923,442		935,549
	$	27,044	$	4,788	$	3,184	$	35,016	$	29,549	$	5,152,602	$	5,217,167
ACQUIRED
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	2,509	$	69,553	$	72,062
Commercial Real Estate		-		-		-		-		6,804		175,026		181,830
Business Banking		63		19		12		94		144		51,077		51,315
		63		19		12		94		9,457		295,656		305,207
Consumer Loans
Indirect		219		70		14		303		96		34,623		35,022
Home Equity		177		70		-		247		591		67,064		67,902
Direct		24		23		1		48		34		3,962		4,044
		420		163		15		598		721		105,649		106,968
Residential Real Estate Mortgages		863		41		579		1,483		2,797		237,366		241,646
	$	1,346	$	223	$	606	$	2,175	$	12,975	$	638,671	$	653,821
Total Loans	$	28,390	$	5,011	$	3,790	$	37,191	$	42,524	$	5,791,273	$	5,870,988

Age Analysis of Past Due Financing Receivables

As of December 31, 2014

(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		Non-Accrual		Current		Recorded Total Loans
ORIGINATED
Commercial Loans
Commercial	$	-	$	735	$	-	$	735	$	1,012	$	613,400	$	615,147
Commercial Real Estate		192		-		-		192		4,127		1,064,549		1,068,868
Agricultural		-		-		-		-		817		32,130		32,947
Agricultural Real Estate		19		-		-		19		565		24,390		24,974
Business Banking		799		235		84		1,118		6,910		390,407		398,435
		1,010		970		84		2,064		13,431		2,124,876		2,140,371
Consumer Loans
Indirect		16,434		3,154		1,991		21,579		1,964		1,286,507		1,310,050
Home Equity		4,591		1,428		821		6,840		6,596		479,444		492,880
Direct		560		157		52		769		84		54,941		55,794
		21,585		4,739		2,864		29,188		8,644		1,820,892		1,858,724
Residential Real Estate Mortgages		2,901		96		1,256		4,253		8,770		835,819		848,842
	$	25,496	$	5,805	$	4,204	$	35,505	$	30,845	$	4,781,587	$	4,847,937
ACQUIRED
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	3,009	$	72,255	$	75,264
Commercial Real Estate		-		-		-		-		2,666		197,222		199,888
Business Banking		5		15		-		20		665		57,494		58,179
		5		15		-		20		6,340		326,971		333,331
Consumer Loans
Indirect		518		5		54		577		106		64,540		65,223
Home Equity		190		60		5		255		557		75,904		76,716
Direct		31		-		7		38		33		5,246		5,317
		739		65		66		870		696		145,690		147,256
Residential Real Estate Mortgages		1,162		265		671		2,098		3,193		261,456		266,747
	$	1,906	$	345	$	737	$	2,988	$	10,229	$	734,117	$	747,334
Total Loans	$	27,402	$	6,150	$	4,941	$	38,493	$	41,074	$	5,515,704	$	5,595,271

Impaired Loans and Specific Reserve Allocations

The following table provides information on loans specifically evaluated for impairment as of September 30, 2015 and December 31, 2014:

	September 30, 2015							December 31, 2014
(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
Commercial	$	1,694	$	1,846				$	1,748	$	1,901
Commercial Real Estate		3,187		3,198					4,505		4,520
Agricultural		19		25					20		26
Agricultural Real Estate		623		749					1,147		1,441
Business Banking		995		1,037					896		1,301
Total Commercial Loans		6,518		6,855					8,316		9,189
Consumer Loans
Indirect		13		23					-		-
Home Equity		7,577		8,380					5,498		6,033
Direct		-		-					-		-
Total Consumer Loans		7,590		8,403					5,498		6,033
Residential Real Estate Mortgages		5,867		6,386					3,544		3,959
Total		19,975		21,644					17,358		19,181
With an allowance recorded:
Commercial Loans
Commercial		948		953			300		-		-			-
Commercial Real Estate		5,093		6,959			1,395		2,763		4,611			600
Total Commercial Loans		6,041		7,912			1,695		2,763		4,611			600
ACQUIRED
With no related allowance recorded:
Commercial Loans
Commercial Real Estate		5,488		5,789					2,666		3,830
With an allowance recorded:
Commercial Loans
Commercial		2,508		4,668			1,000		3,009		4,668			500
Commercial Real Estate		1,321		1,321			850		-		-			-
Total Commercial Loans		3,829		5,989			1,850		3,009		4,668			500
Total:	$	35,333	$	41,334		$	3,545	$	25,796	$	32,290		$	1,100

The following tables summarize the average recorded investments on impaired loans specifically evaluated for impairment and the interest income recognized for the three months ended September 30, 2015 and 2014:

	For the three months ended
	September 30, 2015				September 30, 2014
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
ORIGINATED
Commercial Loans
Commercial	$	2,469	$	42	$	1,957	$	-
Commercial Real Estate		8,560		42		9,619		43
Agricultural		19		-		102		-
Agricultural Real Estate		626		11		1,395		12
Business Banking		1,003		3		677		10
Consumer Loans
Indirect		20		-		-		-
Home Equity		7,432		134		5,435		85
Direct		-		-		-		-
Residential Real Estate Mortgage		5,564		37		2,961		29
Total Originated	$	25,693	$	269	$	22,146	$	179
ACQUIRED
Commercial Loans
Commercial		2,531		-		6,161		-
Commercial Real Estate		6,918		-		3,398		-
Total Acquired	$	9,449	$	-	$	9,559	$	-
Total Loans	$	35,142	$	269	$	31,705	$	179

	For the nine months ended
	September 30, 2015				September 30, 2014
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
ORIGINATED
Commercial Loans
Commercial	$	2,026	$	128	$	2,001	$	-
Commercial Real Estate		8,884		124		10,400		127
Agricultural		19		1		115		1
Agricultural Real Estate		630		34		1,410		35
Business Banking		952		9		509		33
Consumer Loans
Indirect		14		-		-		-
Home Equity		6,869		298		5,099		188
Direct		1		-		-		-
Residential Real Estate Mortgage		4,857		100		2,864		79
Total Originated	$	24,252	$	694	$	22,398	$	463
ACQUIRED
Commercial Loans
Commercial		2,658		-		6,303		-
Commercial Real Estate		7,070		-		3,461		-
Total Acquired	$	9,728	$	-	$	9,764	$	-
Total Loans	$	33,980	$	694	$	32,162	$	463

Financing Receivable Credit Quality by Loan Class

The following tables illustrate the Company’s credit quality by loan class as of September 30, 2015 and December 31, 2014:

Credit Quality Indicators

As of September 30, 2015

ORIGINATED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Agricultural		Agricultural Real Estate		Total
Pass	$	600,507	$	1,127,116	$	32,759	$	25,784	$	1,786,166
Special Mention		18,395		28,718		1		6		47,120
Substandard		32,089		27,462		618		1,025		61,194
Doubtful		-		-		8		-		8
Total	$	650,991	$	1,183,296	$	33,386	$	26,815	$	1,894,488
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking								Total
Non-classified	$	387,378							$	387,378
Classified		15,312								15,312
Total	$	402,690							$	402,690
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,450,146	$	467,842	$	57,281			$	1,975,269
Nonperforming		3,206		5,820		145				9,171
Total	$	1,453,352	$	473,662	$	57,426			$	1,984,440
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage								Total
Performing	$	925,834							$	925,834
Nonperforming		9,715								9,715
Total	$	935,549							$	935,549

Credit Quality Indicators

As of September 30, 2015

ACQUIRED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate				Total
Pass	$	66,770	$	163,948			$	230,718
Special Mention		939		5,780				6,719
Substandard		4,353		12,102				16,455
Total	$	72,062	$	181,830			$	253,892
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking						Total
Non-classified	$	47,310					$	47,310
Classified		4,005						4,005
Total	$	51,315					$	51,315
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	34,912	$	67,311	$	4,009	$	106,232
Nonperforming		110		591		35		736
Total	$	35,022	$	67,902	$	4,044	$	106,968
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage						Total
Performing	$	238,270					$	238,270
Nonperforming		3,376						3,376
Total	$	241,646					$	241,646

Credit Quality Indicators

As of December 31, 2014

ORIGINATED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Agricultural		Agricultural Real Estate		Total
Pass	$	570,884	$	1,023,856	$	30,481	$	23,443	$	1,648,664
Special Mention		6,022		17,341		275		42		23,680
Substandard		38,241		27,671		2,183		1,489		69,584
Doubtful		-		-		8		-		8
Total	$	615,147	$	1,068,868	$	32,947	$	24,974	$	1,741,936
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking								Total
Non-classified	$	379,445							$	379,445
Classified		18,990								18,990
Total	$	398,435							$	398,435
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,306,095	$	485,463	$	55,658			$	1,847,216
Nonperforming		3,955		7,417		136				11,508
Total	$	1,310,050	$	492,880	$	55,794			$	1,858,724
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage								Total
Performing	$	838,816							$	838,816
Nonperforming		10,026								10,026
Total	$	848,842							$	848,842

Credit Quality Indicators

As of December 31, 2014

ACQUIRED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate				Total
Pass	$	63,630	$	186,036			$	249,666
Special Mention		2,840		2,646				5,486
Substandard		8,794		11,206				20,000
Total	$	75,264	$	199,888			$	275,152
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking						Total
Non-classified	$	53,264					$	53,264
Classified		4,915						4,915
Total	$	58,179					$	58,179
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	65,063	$	76,154	$	5,277	$	146,494
Nonperforming		160		562		40		762
Total	$	65,223	$	76,716	$	5,317	$	147,256
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage						Total
Performing	$	262,883					$	262,883
Nonperforming		3,864						3,864
Total	$	266,747					$	266,747

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 for the three and nine months ended September 30, 2015 and 2014:

	Three months ended September 30, 2015
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Consumer
Home Equity		12	$	863	$	802
Residential Real Estate		16		1,293		1,191
Total Troubled Debt Restructurings		28	$	2,156	$	1,993

	Three months ended September 30, 2014
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Consumer
Home Equity		1	$	25	$	24
Direct		7		225		163
Total Consumer		8		250		187
Residential Real Estate		3		179		161
Total Troubled Debt Restructurings		11	$	429	$	348

	Nine months ended September 30, 2015
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial
Commercial		1	$	1,250	$	186
Small Business		1		220		173
Total Commercial		2		1,470		359
Consumer
Home Equity		39		3,212		2,915
Direct		4		109		102
Total Consumer		43		3,321		3,017
Residential Real Estate		32		3,066		2,854
Total Troubled Debt Restructurings		77	$	7,857	$	6,230

	Nine months ended September 30, 2014
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial
Small Business		2	$	570	$	558
Consumer
Indirect		2		69		38
Home Equity		7		286		273
Direct		40		2,701		2,043
Total Consumer		49		3,056		2,354
Residential Real Estate		19		2,157		1,628
Total Troubled Debt Restructurings		70	$	5,783	$	4,540

The following table illustrates the recorded investment and number of modifications for TDRs within the three and nine months ended September 30, 2015 and 2014 where a concession has been made and subsequently defaulted during the period:

	Three months ended September 30, 2015				Three months ended September 30, 2014
	Number of contracts		Recorded Investment		Number of contracts		Recorded Investment
Consumer
Home Equity		-	$	-		1	$	25
Residential Real Estate		2		174		1		48
Total Troubled Debt Restructurings		2	$	174		2	$	73

	Nine months ended September 30, 2015				Nine months ended September 30, 2014
	Number of contracts		Recorded Investment		Number of contracts		Recorded Investment
Consumer
Home Equity		4	$	344		7	$	515
Residential Real Estate		2		174		-		-
Total Troubled Debt Restructurings		6	$	518		7	$	515

XML

Defined Benefit Postretirement Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Pension Benefits [Member]
Components of net periodic (benefit) cost [Abstract]
Service cost	$ 669	$ 587	$ 1,979	$ 1,761
Interest cost	996	1,040	2,992	3,120
Expected return on plan assets	(2,147)	(2,175)	(6,447)	(6,525)
Net amortization	550	25	1,642	75
Total cost (benefit)	68	(523)	166	(1,569)
Other Benefits [Member]
Components of net periodic (benefit) cost [Abstract]
Service cost	4	4	12	12
Interest cost	101	90	283	270
Expected return on plan assets	0	0	0	0
Net amortization	1	(6)	31	(18)
Total cost (benefit)	$ 106	$ 88	$ 326	$ 264

XML

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities
Net income	$ 57,298	$ 56,561
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses	12,506	12,647
Depreciation and amortization of premises and equipment	6,494	6,172
Net accretion on securities	1,851	2,692
Amortization of intangible assets	3,636	3,821
Stock based compensation	3,397	2,817
Bank owned life insurance income	(3,418)	(3,455)
Purchases of trading securities	(767)	(1,618)
Losses (gains) on trading securities	660	(225)
Proceeds from sales of loans held for sale	50,998	4,024
Originations and purchases of loans held for sale	(49,125)	(6,872)
Net gains on sales of loans held for sale	(108)	(3)
Net security gains	(43)	(59)
Net gain on sales of other real estate owned	(1,241)	(351)
Gain on sale of equity investment	(4,179)	(19,401)
Prepayment penalties on long-term debt	0	17,903
Net decrease (increase) in other assets	8,846	(19,117)
Net increase in other liabilities	6,252	3,239
Net cash provided by operating activities	93,057	58,775
Securities available for sale:
Proceeds from maturities, calls, and principal paydowns	229,347	178,430
Purchases	(272,596)	(175,033)
Securities held to maturity:
Proceeds from maturities, calls, and principal paydowns	61,379	26,830
Purchases	(74,951)	(33,601)
Other:
Net increase in loans	(294,187)	(191,327)
Proceeds from FHLB stock redemption	39,740	63,186
Purchases of Federal Reserve and FHLB stock	(41,115)	(50,974)
Proceeds from settlement of bank owned life insurance	1,541	1,319
Purchases of premises and equipment	(4,999)	(6,616)
Proceeds from sale of equity investment	4,179	19,639
Proceeds from the sales of other real estate owned	3,049	2,863
Net cash used in investing activities	(348,613)	(165,284)
Financing activities
Net increase in deposits	301,022	424,715
Net increase (decrease) in short-term borrowings	45,530	(80,405)
Proceeds from issuance of long-term debt	0	120,051
Repayments of long-term debt	(310)	(315,721)
Proceeds from the issuance of shares to employee benefit plans and other stock plans	3,028	1,203
Purchase of treasury stock	(26,797)	(72)
Cash dividends	(28,553)	(27,653)
Net cash provided by financing activities	293,920	122,118
Net increase in cash and cash equivalents	38,364	15,609
Cash and cash equivalents at beginning of period	146,636	158,926
Cash and cash equivalents at end of period	185,000	174,535
Cash paid during the period for:
Interest	16,252	18,714
Income taxes paid	19,027	36,978
Noncash investing activities:
Loans transferred to other real estate owned	2,699	1,135
Preferred stock acquired from sale of equity investment	0	2,762
Transfer of available for sale securities to held to maturity portfolio	$ 0	$ 332,115

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

9 Months Ended

Sep. 30, 2015

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):

September 30, 2015:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2015
Assets:
Securities Available for Sale:
Federal Agency		-		343,263		-		343,263
State & municipal		-		33,647		-		33,647
Mortgage-backed		-		335,810		-		335,810
Collateralized mortgage obligations		-		330,346		-		330,346
Other securities		7,422		7,909		-		15,331
Total Securities Available for Sale	$	7,422	$	1,050,975	$	-	$	1,058,397
Trading Securities		7,900		-		-		7,900
Interest Rate Swaps		-		8,707		-		8,707
Total	$	15,322	$	1,059,682	$	-	$	1,075,004
Liabilities:
Interest Rate Swaps	$	-	$	8,707	$	-	$	8,707
Total	$	-	$	8,707	$	-	$	8,707

December 31, 2014:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2014
Assets:
Securities Available for Sale:
U.S. Treasury	$	23,111	$	-	$	-	$	23,111
Federal Agency		-		329,914		-		329,914
State & municipal		-		37,570		-		37,570
Mortgage-backed		-		364,727		-		364,727
Collateralized mortgage obligations		-		242,129		-		242,129
Other securities		7,612		8,108		-		15,720
Total Securities Available for Sale	$	30,723	$	982,448	$	-	$	1,013,171
Trading Securities		7,793		-		-		7,793
Interest Rate Swaps		-		4,707		-		4,707
Total	$	38,516	$	987,155	$	-	$	1,025,671
Liabilities:
Interest Rate Swaps	$	-	$	4,707	$	-	$	4,707
Total	$	-	$	4,707	$	-	$	4,707

Fair Value of Financial Instruments By Balance Sheet Grouping

The following table sets forth information with regard to estimated fair values of financial instruments at September 30, 2015 and December 31, 2014.  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, securities available for sale, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable, and interest rate swaps.

		September 30, 2015				December 31, 2014
(In thousands)	Fair Value Hierarchy	Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Financial assets
Securities held to maturity	2	$	470,758	$	475,436	$	454,361	$	454,994
Net loans	3		5,806,129		5,957,554		5,528,912		5,584,777
Financial liabilities
Time deposits	2	$	931,966	$	929,477	$	1,043,823	$	1,038,877
Long-term debt	2		130,635		132,849		130,945		132,562
Junior subordinated debt	2		101,196		91,396		101,196		103,770

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

9 Months Ended

Sep. 30, 2015

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

Reclassification out of Accumulated Other Comprehensive Income (Loss)

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

Detail About Accumulated Other Comprehensive Income (Loss) Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income (loss)
	Three months ended
	September 30, 2015			September 30, 2014
Securities:
Gains on available for sale securities	$	(3	)	$	(38	)	Net securities (gains) losses
Amortization of unrealized gains and losses related to securities transfer		328			(99	)	Interest income
Tax (benefit) expense		(127	)		55		Income tax expense
Net of tax	$	198		$	(82	)
Pension and other benefits:
Amortization of net gains	$	566		$	74		Salaries and employee benefits
Amortization of prior service costs		(15	)		(55	)	Salaries and employee benefits
Tax benefit		(214	)		(8	)	Income tax expense
Net of tax	$	337		$	11
Total reclassifications during the period, net of tax	$	535		$	(71	)

Detail About Accumulated Other Comprehensive Income (Loss) Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income (loss)
	Nine months ended
	September 30, 2015			September 30, 2014
Securities:
Gains on available for sale securities	$	(43	)	$	(59	)	Net securities gains
Amortization of unrealized gains and losses related to securities transfer		999			(99	)	Interest income
Tax (benefit) expense		(372	)		64		Income tax expense
Net of tax	$	584		$	(94	)
Pension and other benefits:
Amortization of net gains	$	1,697		$	222		Salaries and employee benefits
Amortization of prior service costs		(24	)		(165	)	Salaries and employee benefits
Tax benefit		(652	)		(23	)	Income tax expense
Net of tax	$	1,021		$	34
Total reclassifications during the period, net of tax	$	1,605		$	(60	)

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Securities (Details) $ in Thousands	Sep. 30, 2015 USD ($) Position	Dec. 31, 2014 USD ($) Position
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 1,043,620	$ 1,001,718
Unrealized gains	15,255	14,823
Unrealized losses	(478)	(3,370)
Estimated fair value	1,058,397	1,013,171
Amortized costs of securities available for sale pledged to secure public deposits	1,100,000	1,000,000
Amortized costs of securities available for sale pledged as collateral for repurchase agreements	174,800	208,800
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	64,183	143,428
12 Months or Longer, Fair Value	42,498	244,836
Total, Fair Value	106,681	388,264
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months Unrealized Losses	(204)	(500)
12 months or longer Unrealized Losses	(274)	(2,870)
Total Unrealized Losses	$ (478)	$ (3,370)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions | Position	25	59
12 Months or Longer, Number of Positions | Position	25	58
Total, Number of Positions | Position	50	117
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 470,758	$ 454,361
Unrealized gains	5,697	2,721
Unrealized losses	(1,019)	(2,088)
Estimated fair value	475,436	454,994
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	16,070	69,566
12 Months or Longer, Fair Value	43,127	48,034
Total, Fair Value	59,197	117,600
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(68)	(165)
12 Months or Longer, Unrealized Losses	(951)	(1,923)
Total, Unrealized Losses	$ (1,019)	$ (2,088)
Unrealized Loss Position, Number of Positions [Abstract]
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | Position	12	112
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater Than or Equal to One Year | Position	4	10
Total, Number of Positions | Position	16	122
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract]
Within one year	$ 4,031
From one to five years	369,188
From five to ten years	137,908
After ten years	519,593
Total, Amortized Cost	1,030,720
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Within one year	4,058
From one to five years	371,294
From five to ten years	140,701
After ten years	527,013
Total, Fair Value	1,043,066
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Within one year	42,420
From one to five years	15,186
From five to ten years	107,816
After ten years	305,336
Amortized cost	470,758	$ 454,361
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Within one year	42,427
From one to five years	15,260
From five to ten years	109,043
After ten years	308,706
Total, Fair Value	475,436	454,994
US Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost		23,041
Unrealized gains		70
Unrealized losses		0
Estimated fair value		23,111
Federal Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	342,140	332,193
Unrealized gains	1,245	327
Unrealized losses	(122)	(2,606)
Estimated fair value	343,263	329,914
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	19,962	66,528
12 Months or Longer, Fair Value	29,908	198,151
Total, Fair Value	49,870	264,679
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months Unrealized Losses	(30)	(226)
12 months or longer Unrealized Losses	(92)	(2,380)
Total Unrealized Losses	$ (122)	$ (2,606)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions | Position	2	8
12 Months or Longer, Number of Positions | Position	3	16
Total, Number of Positions | Position	5	24
State & Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 33,140	$ 37,035
Unrealized gains	510	587
Unrealized losses	(3)	(52)
Estimated fair value	33,647	37,570
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	2,957	8,818
12 Months or Longer, Fair Value	0	1,321
Total, Fair Value	2,957	10,139
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months Unrealized Losses	(3)	(42)
12 months or longer Unrealized Losses	0	(10)
Total Unrealized Losses	$ (3)	$ (52)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions | Position	4	33
12 Months or Longer, Number of Positions | Position	0	5
Total, Number of Positions | Position	4	38
Mortgage-Backed [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	$ 11,656	$ 10,400
12 Months or Longer, Fair Value	4,319	35,565
Total, Fair Value	15,975	45,965
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months Unrealized Losses	(109)	(36)
12 months or longer Unrealized Losses	(60)	(254)
Total Unrealized Losses	$ (169)	$ (290)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions | Position	14	10
12 Months or Longer, Number of Positions | Position	16	31
Total, Number of Positions | Position	30	41
Mortgage-backed Securities, Issued by US Government-Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 313,840	$ 339,190
Unrealized gains	7,118	7,597
Unrealized losses	(105)	(224)
Estimated fair value	320,853	346,563
Mortgage-backed Securities, Issued by US Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	14,293	17,367
Unrealized gains	728	863
Unrealized losses	(64)	(66)
Estimated fair value	14,957	18,164
Collateralized Mortgage Obligations [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	29,608	57,682
12 Months or Longer, Fair Value	4,340	6,598
Total, Fair Value	33,948	64,280
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months Unrealized Losses	(62)	(196)
12 months or longer Unrealized Losses	(22)	(74)
Total Unrealized Losses	$ (84)	$ (270)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions | Position	5	8
12 Months or Longer, Number of Positions | Position	3	4
Total, Number of Positions | Position	8	12
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 296,005	$ 199,837
Unrealized gains	2,638	1,828
Unrealized losses	(63)	(234)
Estimated fair value	298,580	201,431
Collateralized Mortgage Obligations, U.S. Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	31,302	40,237
Unrealized gains	485	497
Unrealized losses	(21)	(36)
Estimated fair value	31,766	40,698
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	12,900	12,818
Unrealized gains	2,531	3,054
Unrealized losses	(100)	(152)
Estimated fair value	15,331	15,720
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	0	0
12 Months or Longer, Fair Value	3,931	3,201
Total, Fair Value	3,931	3,201
Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months Unrealized Losses	0	0
12 months or longer Unrealized Losses	(100)	(152)
Total Unrealized Losses	$ (100)	$ (152)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions | Position	0	0
12 Months or Longer, Number of Positions | Position	3	2
Total, Number of Positions | Position	3	2
Mortgage-Backed [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	$ 9,757
12 Months or Longer, Fair Value	0
Total, Fair Value	9,757
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(25)
12 Months or Longer, Unrealized Losses	0
Total, Unrealized Losses	$ (25)
Unrealized Loss Position, Number of Positions [Abstract]
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | Position	1
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater Than or Equal to One Year | Position	0
Total, Number of Positions | Position	1
Mortgage-Backed [Member] | Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 9,782	$ 755
Unrealized gains	0	113
Unrealized losses	(25)	0
Estimated fair value	9,757	868
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Amortized cost	9,782	755
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	9,757	868
Mortgage-Backed [Member] | Collateralized Mortgage Obligations, U.S. Government Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	665
Unrealized gains	107
Unrealized losses	0
Estimated fair value	772
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Amortized cost	665
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	772
State & Municipal [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	177,345	135,978
Unrealized gains	1,509	674
Unrealized losses	(43)	(123)
Estimated fair value	178,811	136,529
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	6,313	43,514
12 Months or Longer, Fair Value	0	1,619
Total, Fair Value	6,313	45,133
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(43)	(116)
12 Months or Longer, Unrealized Losses	0	(7)
Total, Unrealized Losses	$ (43)	$ (123)
Unrealized Loss Position, Number of Positions [Abstract]
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | Position	11	110
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater Than or Equal to One Year | Position	0	6
Total, Number of Positions | Position	11	116
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Amortized cost	$ 177,345	$ 135,978
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	178,811	136,529
Collateralized Mortgage Obligations [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	0	26,052
12 Months or Longer, Fair Value	43,127	46,415
Total, Fair Value	43,127	72,467
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	0	(49)
12 Months or Longer, Unrealized Losses	(951)	(1,916)
Total, Unrealized Losses	$ (951)	$ (1,965)
Unrealized Loss Position, Number of Positions [Abstract]
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | Position	0	2
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater Than or Equal to One Year | Position	4	4
Total, Number of Positions | Position	4	6
Collateralized Mortgage Obligations [Member] | Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 282,966	$ 317,628
Unrealized gains	4,081	1,934
Unrealized losses	(951)	(1,965)
Estimated fair value	286,096	317,597
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Amortized cost	282,966	317,628
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	$ 286,096	$ 317,597

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Allowance for Loan Losses and Credit Quality of Loans (Details) $ in Millions	9 Months Ended
	Sep. 30, 2015 USD ($) Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan portfolio segments	3
Commercial Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real estate loan amount, percentage of appraised value or purchase price of the property, maximum	80.00%
Commercial Loans [Member] | Agricultural Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real estate loan amount, percentage of appraised value or purchase price of the property, maximum	75.00%
Commercial Loans [Member] | Business Banking [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Business banking loans, maximum amount | $	$ 0.5
Consumer Loans [Member] | Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of automobile financing to indirect relationships with dealers	75.00%
Principal repayment term of loan, minimum	3 years
Principal repayment term of loan, maximum	6 years
Consumer Loans [Member] | Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Home equity loan amount, percentage of equity in home, maximum	85.00%
Consumer Loans [Member] | Direct [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal repayment term of loan, minimum	1 year
Principal repayment term of loan, maximum	10 years
Residential Real Estate Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real estate loan amount, percentage of appraised value or purchase price of the property, maximum	85.00%

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Consolidated Statements of Stockholders' Equity (unaudited) (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements of Stockholders' Equity (unaudited) [Abstract]
Cash dividends - per share (in dollars per share)	$ 0.65	$ 0.63
Purchase of treasury shares (in shares)	1,047,152	3,288
Net issuance of shares to employee benefit plans and other stock plans, including tax benefit (in shares)	336,959	197,036

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Allowance for Loan Losses and Credit Quality of Loans, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 64,959	$ 69,534	$ 66,359	$ 69,434
Charge-offs	(6,374)	(5,977)	(17,422)	(16,047)
Recoveries	1,308	892	3,416	3,300
Provision	4,966	4,885	12,506	12,647
Balance, end of period	64,859	69,334	64,859	69,334
Allowance for loan losses for acquired loan portfolio			1,900	3,000
Provision expense and net charge-offs related to acquired loans	500	300	1,200	500
Allowance loan losses [Abstract]
Allowance for loan losses	64,959	69,534	66,359	69,434	$ 64,859	$ 66,359
Allowance for loans individually evaluated for impairment					3,545	1,100
Allowance for loans collectively evaluated for impairment					61,314	65,259
Ending balance of loans					5,870,988	5,595,271
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	28,326	35,123	32,433	35,090
Charge-offs	(1,333)	(1,517)	(2,715)	(3,423)
Recoveries	258	253	772	966
Provision	(2,800)	1,779	(6,039)	3,005
Balance, end of period	24,451	35,638	24,451	35,638
Allowance loan losses [Abstract]
Allowance for loan losses	28,326	35,123	32,433	35,090	24,451	32,433
Allowance for loans individually evaluated for impairment					3,545	1,100
Allowance for loans collectively evaluated for impairment					20,906	31,333
Ending balance of loans					2,602,385	2,473,702
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	28,314	27,973	26,720	27,694
Charge-offs	(4,530)	(3,979)	(13,183)	(11,659)
Recoveries	889	632	2,334	2,087
Provision	7,333	2,826	16,135	9,330
Balance, end of period	32,006	27,452	32,006	27,452
Allowance loan losses [Abstract]
Allowance for loan losses	28,314	27,973	26,720	27,694	32,006	26,720
Allowance for loans individually evaluated for impairment					0	0
Allowance for loans collectively evaluated for impairment					32,006	26,720
Ending balance of loans					2,091,408	2,005,980
Residential Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	8,281	6,205	7,130	6,520
Charge-offs	(511)	(481)	(1,524)	(965)
Recoveries	161	7	310	247
Provision	51	212	2,066	141
Balance, end of period	7,982	5,943	7,982	5,943
Allowance loan losses [Abstract]
Allowance for loan losses	8,281	6,205	7,130	6,520	7,982	7,130
Allowance for loans individually evaluated for impairment					0	0
Allowance for loans collectively evaluated for impairment					7,982	7,130
Ending balance of loans					1,177,195	1,115,589
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	38	233	76	130
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	382	68	344	171
Balance, end of period	420	301	420	301
Allowance loan losses [Abstract]
Allowance for loan losses	$ 38	$ 233	$ 76	$ 130	420	76
Allowance for loans collectively evaluated for impairment					420	76
Originated Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans					5,217,167	4,847,937
Ending balance of loans individually evaluated for impairment					26,016	20,121
Ending balance of loans collectively evaluated for impairment					5,191,151	4,827,816
Originated Loans [Member] | Commercial Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans					2,297,178	2,140,371
Ending balance of loans individually evaluated for impairment					12,559	11,079
Ending balance of loans collectively evaluated for impairment					2,284,619	2,129,292
Originated Loans [Member] | Consumer Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans					1,984,440	1,858,724
Ending balance of loans individually evaluated for impairment					7,590	5,498
Ending balance of loans collectively evaluated for impairment					1,976,850	1,853,226
Originated Loans [Member] | Residential Real Estate Mortgages [Member]
Allowance loan losses [Abstract]
Ending balance of loans					935,549	848,842
Ending balance of loans individually evaluated for impairment					5,867	3,544
Ending balance of loans collectively evaluated for impairment					929,682	845,298
Acquired Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans					653,821	747,334
Ending balance of loans individually evaluated for impairment					9,317	5,675
Ending balance of loans collectively evaluated for impairment					644,504	741,659
Acquired Loans [Member] | Commercial Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans					305,207	333,331
Ending balance of loans individually evaluated for impairment					9,317	5,675
Ending balance of loans collectively evaluated for impairment					295,890	327,656
Acquired Loans [Member] | Consumer Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans					106,968	147,256
Ending balance of loans individually evaluated for impairment					0	0
Ending balance of loans collectively evaluated for impairment					106,968	147,256
Acquired Loans [Member] | Residential Real Estate Mortgages [Member]
Allowance loan losses [Abstract]
Ending balance of loans					241,646	266,747
Ending balance of loans individually evaluated for impairment					0	0
Ending balance of loans collectively evaluated for impairment					$ 241,646	$ 266,747

XML

Fair Value Measurements and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Securities Available for Sale [Abstract]
Total Securities Available for Sale	$ 1,058,397	$ 1,013,171
Trading Securities	7,900	7,793
Liabilities [Abstract]
Allowance for loan and lease losses collateral dependent impaired loans with specific reserves	$ 3,500		$ 3,600
Liquidation expense ratio on impaired collateral minimum	10.00%
Liquidation expense ratio on impaired collateral maximum	35.00%
Financial assets [Abstract]
Securities held to maturity	$ 475,436	454,994
Financial liabilities [Abstract]
Time deposits	931,966	1,043,823
Long-term debt	130,635	130,945
Junior subordinated debt	101,196	101,196
Carrying Amount [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets [Abstract]
Securities held to maturity	470,758	454,361
Financial liabilities [Abstract]
Time deposits	931,966	1,043,823
Long-term debt	130,635	130,945
Junior subordinated debt	101,196	101,196
Carrying Amount [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets [Abstract]
Net Loans	5,806,129	5,528,912
Estimated Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets [Abstract]
Securities held to maturity	475,436	454,994
Financial liabilities [Abstract]
Time deposits	929,477	1,038,877
Long-term debt	132,849	132,562
Junior subordinated debt	91,396	103,770
Estimated Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets [Abstract]
Net Loans	5,957,554	5,584,777
Recurring Basis [Member]
Securities Available for Sale [Abstract]
U.S. Treasury		23,111
Federal Agency	343,263	329,914
State & municipal	33,647	37,570
Mortgage-backed	335,810	364,727
Collateralized mortgage obligations	330,346	242,129
Other securities	15,331	15,720
Total Securities Available for Sale	1,058,397	1,013,171
Trading Securities	7,900	7,793
Interest Rate Swaps	8,707	4,707
Total	1,075,004	1,025,671
Liabilities [Abstract]
Interest Rate Swaps	8,707	4,707
Total	8,707	4,707
Recurring Basis [Member] | Quoted Prices in Active Market for Identical Assets (Level I) [Member]
Securities Available for Sale [Abstract]
U.S. Treasury		23,111
Federal Agency	0	0
State & municipal	0	0
Mortgage-backed	0	0
Collateralized mortgage obligations	0	0
Other securities	7,422	7,612
Total Securities Available for Sale	7,422	30,723
Trading Securities	7,900	7,793
Interest Rate Swaps	0	0
Total	15,322	38,516
Liabilities [Abstract]
Interest Rate Swaps	0	0
Total	0	0
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities Available for Sale [Abstract]
U.S. Treasury		0
Federal Agency	343,263	329,914
State & municipal	33,647	37,570
Mortgage-backed	335,810	364,727
Collateralized mortgage obligations	330,346	242,129
Other securities	7,909	8,108
Total Securities Available for Sale	1,050,975	982,448
Trading Securities	0	0
Interest Rate Swaps	8,707	4,707
Total	1,059,682	987,155
Liabilities [Abstract]
Interest Rate Swaps	8,707	4,707
Total	8,707	4,707
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities Available for Sale [Abstract]
U.S. Treasury		0
Federal Agency	0	0
State & municipal	0	0
Mortgage-backed	0	0
Collateralized mortgage obligations	0	0
Other securities	0	0
Total Securities Available for Sale	0	0
Trading Securities	0	0
Interest Rate Swaps	0	0
Total	0	0
Liabilities [Abstract]
Interest Rate Swaps	0	0
Total	0	$ 0
Nonrecurring Basis [Member]
Liabilities [Abstract]
Collateral dependent impaired financing receivable with specific reserves	$ 9,900		$ 8,800

XML

Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets
Cash and due from banks	$ 175,036	$ 139,635
Short-term interest bearing accounts	9,964	7,001
Securities available for sale, at fair value	1,058,397	1,013,171
Securities held to maturity (fair value $475,436 and $454,994, respectively)	470,758	454,361
Trading securities	7,900	7,793
Federal Reserve and Federal Home Loan Bank stock	34,001	32,626
Loans	5,870,988	5,595,271
Less allowance for loan losses	64,859	66,359
Net loans	5,806,129	5,528,912
Premises and equipment, net	87,763	89,258
Goodwill	263,634	263,634
Intangible assets, net	16,729	20,317
Bank owned life insurance	116,128	114,251
Other assets	115,123	126,967
Total assets	8,161,562	7,797,926
Liabilities
Demand (noninterest bearing)	1,915,482	1,838,622
Savings, NOW, and money market	3,753,179	3,417,160
Time	931,966	1,043,823
Total deposits	6,600,627	6,299,605
Short-term borrowings	362,332	316,802
Long-term debt	130,635	130,945
Junior subordinated debt	101,196	101,196
Other liabilities	90,556	85,197
Total liabilities	7,285,346	6,933,745
Stockholders' equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at September 30, 2015 and December 31, 2014	0	0
Common stock, $0.01 par value. Authorized 100,000,000 shares at September 30, 2015 and December 31, 2014; issued 49,651,494 at September 30, 2015 and December 31, 2014	497	497
Additional paid-in-capital	576,478	576,504
Retained earnings	452,701	423,956
Accumulated other comprehensive loss	(13,365)	(17,027)
Common stock in treasury, at cost, 6,465,233 and 5,755,040 shares at September 30, 2015 and December 31, 2014, respectively	(140,095)	(119,749)
Total stockholders' equity	876,216	864,181
Total liabilities and stockholders' equity	$ 8,161,562	$ 7,797,926

XML

Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other comprehensive (loss) income, net of tax:
Unrealized net holding gains (losses) arising during the period, pre-tax amounts	$ 3,801	$ (3,693)	$ 3,367	$ 13,199
Reclassification adjustment for net gains related to securities available for sale included in net income, pre-tax amounts	3	38	43	59
Amortization of unrealized net gains and losses related to the reclassification of available for sale investment securities to held to maturity, pre-tax amounts	328	(99)	999	(99)
Amortization of prior service cost and actuarial gains, pre-tax amounts	$ 551	$ 19	$ 1,673	$ 57

XML

Allowance for Loan Losses and Credit Quality of Loans, Credit Quality by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Originated Loans [Member] | Commercial Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 1,894,488	$ 1,741,936
Originated Loans [Member] | Commercial Credit Exposure [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,786,166	1,648,664
Originated Loans [Member] | Commercial Credit Exposure [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	47,120	23,680
Originated Loans [Member] | Commercial Credit Exposure [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	61,194	69,584
Originated Loans [Member] | Commercial Credit Exposure [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	8	8
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	650,991	615,147
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	600,507	570,884
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	18,395	6,022
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	32,089	38,241
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	0	0
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,183,296	1,068,868
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,127,116	1,023,856
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	28,718	17,341
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	27,462	27,671
Originated Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	0	0
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	33,386	32,947
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	32,759	30,481
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1	275
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	618	2,183
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	8	8
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	26,815	24,974
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	25,784	23,443
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	6	42
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,025	1,489
Originated Loans [Member] | Commercial Credit Exposure [Member] | Agricultural Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	0	0
Originated Loans [Member] | Business Banking Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	402,690	398,435
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Non-classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	387,378	379,445
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	15,312	18,990
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	402,690	398,435
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Non-classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	387,378	379,445
Originated Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	15,312	18,990
Originated Loans [Member] | Consumer Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,984,440	1,858,724
Originated Loans [Member] | Consumer Credit Exposure [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,975,269	1,847,216
Originated Loans [Member] | Consumer Credit Exposure [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	9,171	11,508
Originated Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,453,352	1,310,050
Originated Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,450,146	1,306,095
Originated Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	3,206	3,955
Originated Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	473,662	492,880
Originated Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	467,842	485,463
Originated Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	5,820	7,417
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	57,426	55,794
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	57,281	55,658
Originated Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	145	136
Originated Loans [Member] | Residential Mortgage Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	935,549	848,842
Originated Loans [Member] | Residential Mortgage Credit Exposure [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	925,834	838,816
Originated Loans [Member] | Residential Mortgage Credit Exposure [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	9,715	10,026
Originated Loans [Member] | Residential Mortgage Credit Exposure [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	935,549	848,842
Originated Loans [Member] | Residential Mortgage Credit Exposure [Member] | Residential Mortgage [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	925,834	838,816
Originated Loans [Member] | Residential Mortgage Credit Exposure [Member] | Residential Mortgage [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	9,715	10,026
Acquired Loans [Member] | Commercial Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	253,892	275,152
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	230,718	249,666
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	6,719	5,486
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	16,455	20,000
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	72,062	75,264
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	66,770	63,630
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	939	2,840
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,353	8,794
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	181,830	199,888
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	163,948	186,036
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	5,780	2,646
Acquired Loans [Member] | Commercial Credit Exposure [Member] | Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	12,102	11,206
Acquired Loans [Member] | Business Banking Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	51,315	58,179
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Non-classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	47,310	53,264
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,005	4,915
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	51,315	58,179
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Non-classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	47,310	53,264
Acquired Loans [Member] | Business Banking Credit Exposure [Member] | Business Banking [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,005	4,915
Acquired Loans [Member] | Consumer Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	106,968	147,256
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	106,232	146,494
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	736	762
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	35,022	65,223
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	34,912	65,063
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Indirect [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	110	160
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	67,902	76,716
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	67,311	76,154
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Home Equity [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	591	562
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,044	5,317
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,009	5,277
Acquired Loans [Member] | Consumer Credit Exposure [Member] | Direct [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	35	40
Acquired Loans [Member] | Residential Mortgage Credit Exposure [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	241,646	266,747
Acquired Loans [Member] | Residential Mortgage Credit Exposure [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	238,270	262,883
Acquired Loans [Member] | Residential Mortgage Credit Exposure [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	3,376	3,864
Acquired Loans [Member] | Residential Mortgage Credit Exposure [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	241,646	266,747
Acquired Loans [Member] | Residential Mortgage Credit Exposure [Member] | Residential Mortgage [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	238,270	262,883
Acquired Loans [Member] | Residential Mortgage Credit Exposure [Member] | Residential Mortgage [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 3,376	$ 3,864

XML

Defined Benefit Postretirement Plans (Policies)

9 Months Ended

Sep. 30, 2015

Defined Benefit Postretirement 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 September 30, 2015.  Benefits paid from the plan are based on age, years of service, compensation and social security benefits, and are determined in accordance with defined formulas. The Company’s policy is to fund the pension plan in accordance with Employee Retirement Income Security Act of 1974 (“ERISA”) standards. Assets of the plan are invested in publicly traded stocks and bonds.  The Company is not required to make contributions to the Plan in 2015 and did not do so during the nine months ended September 30, 2015.

Market conditions can result in an unusually high degree of volatility and increase the risks and short term liquidity associated with certain investments held by the Plan which could impact the value of these investments.

In addition to the Plan, the Company also provides supplemental employee retirement plans to certain current and former executives.  These supplemental employee retirement plans and the Plan are collectively referred to herein as “Pension Benefits.”

Also, 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 postretirement health care benefits. These postretirement benefits are referred to herein as “Other Benefits.”

XML

Allowance for Loan Losses and Credit Quality of Loans, Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($) Contract	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Period of sustained repayment performance for nonperforming TDRs to be returned to performing status			6 months
Number of contracts | Contract	28	11	77	70
Pre-modification outstanding recorded investment	$ 2,156	$ 429	$ 7,857	$ 5,783
Post-modification outstanding recorded investment	$ 1,993	$ 348	$ 6,230	$ 4,540
Number of TDR loans with subsequent default | Contract	2	2	6	7
Outstanding recorded investment on TDR loans with subsequent default	$ 174	$ 73	$ 518	$ 515
Commercial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract			2
Pre-modification outstanding recorded investment			$ 1,470
Post-modification outstanding recorded investment			$ 359
Commercial Loans [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract			1
Pre-modification outstanding recorded investment			$ 1,250
Post-modification outstanding recorded investment			$ 186
Commercial Loans [Member] | Small Business [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract			1	2
Pre-modification outstanding recorded investment			$ 220	$ 570
Post-modification outstanding recorded investment			$ 173	$ 558
Consumer Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract		8	43	49
Pre-modification outstanding recorded investment		$ 250	$ 3,321	$ 3,056
Post-modification outstanding recorded investment		$ 187	$ 3,017	$ 2,354
Number of TDR loans with subsequent default | Contract	0	1	4	7
Outstanding recorded investment on TDR loans with subsequent default	$ 0	$ 25	$ 344	$ 515
Consumer Loans [Member] | Indirect [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract				2
Pre-modification outstanding recorded investment				$ 69
Post-modification outstanding recorded investment				$ 38
Consumer Loans [Member] | Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	12	1	39	7
Pre-modification outstanding recorded investment	$ 863	$ 25	$ 3,212	$ 286
Post-modification outstanding recorded investment	$ 802	$ 24	$ 2,915	$ 273
Number of TDR loans with subsequent default | Contract	0	1	4	7
Outstanding recorded investment on TDR loans with subsequent default	$ 0	$ 25	$ 344	$ 515
Consumer Loans [Member] | Direct [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract		7	4	40
Pre-modification outstanding recorded investment		$ 225	$ 109	$ 2,701
Post-modification outstanding recorded investment		$ 163	$ 102	$ 2,043
Residential Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	16	3	32	19
Pre-modification outstanding recorded investment	$ 1,293	$ 179	$ 3,066	$ 2,157
Post-modification outstanding recorded investment	$ 1,191	$ 161	$ 2,854	$ 1,628
Number of TDR loans with subsequent default | Contract	2	1	2	0
Outstanding recorded investment on TDR loans with subsequent default	$ 174	$ 48	$ 174	$ 0

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Securities (Tables)

9 Months Ended

Sep. 30, 2015

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 and losses of securities available for sale are as follows:

(In thousands)	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
September 30, 2015
Federal Agency	$	342,140	$	1,245	$	(122	)	$	343,263
State & municipal		33,140		510		(3	)		33,647
Mortgage-backed:
Government-sponsored enterprises		313,840		7,118		(105	)		320,853
U.S. government agency securities		14,293		728		(64	)		14,957
Collateralized mortgage obligations:
Government-sponsored enterprises		296,005		2,638		(63	)		298,580
U.S. government agency securities		31,302		485		(21	)		31,766
Other securities		12,900		2,531		(100	)		15,331
Total securities available for sale	$	1,043,620	$	15,255	$	(478	)	$	1,058,397
December 31, 2014
U.S. Treasury	$	23,041	$	70	$	-		$	23,111
Federal Agency		332,193		327		(2,606	)		329,914
State & municipal		37,035		587		(52	)		37,570
Mortgage-backed:
Government-sponsored enterprises		339,190		7,597		(224	)		346,563
U.S. government agency securities		17,367		863		(66	)		18,164
Collateralized mortgage obligations:
Government-sponsored enterprises		199,837		1,828		(234	)		201,431
U.S. government agency securities		40,237		497		(36	)		40,698
Other securities		12,818		3,054		(152	)		15,720
Total securities available for sale	$	1,001,718	$	14,823	$	(3,370	)	$	1,013,171

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

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

(In thousands)	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
September 30, 2015
Mortgage-backed:
Government-sponsored enterprises	$	9,782	$	-	$	(25	)	$	9,757
U.S. government agency securities		665		107		-			772
Collateralized mortgage obligations:
Government-sponsored enterprises		282,966		4,081		(951	)		286,096
State & municipal		177,345		1,509		(43	)		178,811
Total securities held to maturity	$	470,758	$	5,697	$	(1,019	)	$	475,436
December 31, 2014
Mortgage-backed:
Government-sponsored enterprises	$	755	$	113	$	-		$	868
Collateralized mortgage obligations:
Government-sponsored enterprises		317,628		1,934		(1,965	)		317,597
State & municipal		135,978		674		(123	)		136,529
Total securities held to maturity	$	454,361	$	2,721	$	(2,088	)	$	454,994

Investment Securities with Unrealized Losses

The following table sets forth information with regard to investment securities with unrealized losses for the periods presented:

	Less than 12 months							12 months or longer							Total
Security Type:	Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions
September 30, 2015
Investment securities available for sale:
Federal agency	$	19,962	$	(30	)		2	$	29,908	$	(92	)		3	$	49,870	$	(122	)		5
State & municipal		2,957		(3	)		4		-		-			-		2,957		(3	)		4
Mortgage-backed		11,656		(109	)		14		4,319		(60	)		16		15,975		(169	)		30
Collateralized mortgage obligations		29,608		(62	)		5		4,340		(22	)		3		33,948		(84	)		8
Other securities		-		-			-		3,931		(100	)		3		3,931		(100	)		3
Total securities with unrealized losses	$	64,183	$	(204	)		25	$	42,498	$	(274	)		25	$	106,681	$	(478	)		50
September 30, 2015
Investment securities held to maturity:
Mortgage-backed	$	9,757	$	(25	)		1	$	-	$	-			-	$	9,757	$	(25	)		1
Collateralized mortgage obligations		-		-			-		43,127		(951	)		4		43,127		(951	)		4
State & municipal		6,313		(43	)		11		-		-			-		6,313		(43	)		11
Total securities with unrealized losses	$	16,070	$	(68	)		12	$	43,127	$	(951	)		4	$	59,197	$	(1,019	)		16
December 31, 2014
Investment securities available for sale:
Federal agency	$	66,528	$	(226	)		8	$	198,151	$	(2,380	)		16	$	264,679	$	(2,606	)		24
State & municipal		8,818		(42	)		33		1,321		(10	)		5		10,139		(52	)		38
Mortgage-backed		10,400		(36	)		10		35,565		(254	)		31		45,965		(290	)		41
Collateralized mortgage obligations		57,682		(196	)		8		6,598		(74	)		4		64,280		(270	)		12
Other securities		-		-			-		3,201		(152	)		2		3,201		(152	)		2
Total securities with unrealized losses	$	143,428	$	(500	)		59	$	244,836	$	(2,870	)		58	$	388,264	$	(3,370	)		117
December 31, 2014
Investment securities held to maturity:
Collateralized mortgage obligations	$	26,052	$	(49	)		2	$	46,415	$	(1,916	)		4	$	72,467	$	(1,965	)		6
State & municipal		43,514		(116	)		110		1,619		(7	)		6		45,133		(123	)		116
Total securities with unrealized losses	$	69,566	$	(165	)		112	$	48,034	$	(1,923	)		10	$	117,600	$	(2,088	)		122

Contractual Maturities of Debt Securities

The following tables set forth information with regard to contractual maturities of debt securities at September 30, 2015:

(In thousands)	Amortized cost		Estimated fair value
Debt securities classified as available for sale
Within one year	$	4,031	$	4,058
From one to five years		369,188		371,294
From five to ten years		137,908		140,701
After ten years		519,593		527,013
	$	1,030,720	$	1,043,066
Debt securities classified as held to maturity
Within one year	$	42,420	$	42,427
From one to five years		15,186		15,260
From five to ten years		107,816		109,043
After ten years		305,336		308,706
	$	470,758	$	475,436

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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
Beginning Balance at Dec. 31, 2013	$ 497	$ 574,152	$ 385,787	$ (16,765)	$ (127,102)	$ 816,569
Net income	0	0	56,561	0	0	56,561
Cash dividends	0	0	(27,653)	0	0	(27,653)
Purchases of treasury shares	0	0	0	0	(72)	(72)
Net issuance of shares to employee benefit plans and other stock plans, including tax benefit	0	(2,312)	0	0	3,515	1,203
Stock-based compensation	0	2,817	0	0	0	2,817
Other comprehensive income	0	0	0	8,015	0	8,015
Ending Balance at Sep. 30, 2014	497	574,657	414,695	(8,750)	(123,659)	857,440
Beginning Balance at Dec. 31, 2014	497	576,504	423,956	(17,027)	(119,749)	864,181
Net income	0	0	57,298	0	0	57,298
Cash dividends	0	0	(28,553)	0	0	(28,553)
Purchases of treasury shares	0	0	0	0	(26,797)	(26,797)
Net issuance of shares to employee benefit plans and other stock plans, including tax benefit	0	(3,423)	0	0	6,451	3,028
Stock-based compensation	0	3,397	0	0	0	3,397
Other comprehensive income	0	0	0	3,662	0	3,662
Ending Balance at Sep. 30, 2015	$ 497	$ 576,478	$ 452,701	$ (13,365)	$ (140,095)	$ 876,216

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Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets
Securities held to maturity fair value	$ 475,436	$ 454,994
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)	49,651,494	49,651,494
Common stock in treasury, at cost (in shares)	6,465,233	5,755,040

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Fair Value Measurements and Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2015

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

Fair Value Measurements and Fair Value of Financial Instruments

Note 8. Fair Value Measurements and Fair Value of Financial Instruments

U.S. 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 U.S. 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.

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 relies on both internal and external support on certain Level 3 investments. 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 nine month period ending September 30, 2015, the Company has made no transfers of assets between Level 1 and Level 2, and has had no Level 3 activity.

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):

September 30, 2015:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2015
Assets:
Securities Available for Sale:
Federal Agency		-		343,263		-		343,263
State & municipal		-		33,647		-		33,647
Mortgage-backed		-		335,810		-		335,810
Collateralized mortgage obligations		-		330,346		-		330,346
Other securities		7,422		7,909		-		15,331
Total Securities Available for Sale	$	7,422	$	1,050,975	$	-	$	1,058,397
Trading Securities		7,900		-		-		7,900
Interest Rate Swaps		-		8,707		-		8,707
Total	$	15,322	$	1,059,682	$	-	$	1,075,004
Liabilities:
Interest Rate Swaps	$	-	$	8,707	$	-	$	8,707
Total	$	-	$	8,707	$	-	$	8,707

December 31, 2014:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2014
Assets:
Securities Available for Sale:
U.S. Treasury	$	23,111	$	-	$	-	$	23,111
Federal Agency		-		329,914		-		329,914
State & municipal		-		37,570		-		37,570
Mortgage-backed		-		364,727		-		364,727
Collateralized mortgage obligations		-		242,129		-		242,129
Other securities		7,612		8,108		-		15,720
Total Securities Available for Sale	$	30,723	$	982,448	$	-	$	1,013,171
Trading Securities		7,793		-		-		7,793
Interest Rate Swaps		-		4,707		-		4,707
Total	$	38,516	$	987,155	$	-	$	1,025,671
Liabilities:
Interest Rate Swaps	$	-	$	4,707	$	-	$	4,707
Total	$	-	$	4,707	$	-	$	4,707

Certain common equity securities are reported at fair value utilizing Level 1 inputs (exchange quoted prices).  The majority of the other investment securities are reported at fair value utilizing Level 2 inputs.  The prices for these 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. 

U.S. GAAP requires disclosure of assets and liabilities measured and recorded at fair value on a nonrecurring basis such as goodwill, loans held for sale, other real estate owned, collateral-dependent impaired loans, mortgage servicing rights, and held-to-maturity securities. The only nonrecurring fair value measurements recorded during the nine month period ended September 30, 2015 were related to impaired loans and other real estate owned, which were immaterial.  For the nine month periods ending September 30, 2015 and September 30, 2014, the Company had $9.9 million and $8.8 million, respectively, of loans recorded at fair value resulting in specific allowance reserves of $3.5 million and $3.6 million, respectively.  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.

The following table sets forth information with regard to estimated fair values of financial instruments at September 30, 2015 and December 31, 2014.  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, securities available for sale, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable, and interest rate swaps.

		September 30, 2015				December 31, 2014
(In thousands)	Fair Value Hierarchy	Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Financial assets
Securities held to maturity	2	$	470,758	$	475,436	$	454,361	$	454,994
Net loans	3		5,806,129		5,957,554		5,528,912		5,584,777
Financial liabilities
Time deposits	2	$	931,966	$	929,477	$	1,043,823	$	1,038,877
Long-term debt	2		130,635		132,849		130,945		132,562
Junior subordinated debt	2		101,196		91,396		101,196		103,770

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.

Securities Held to Maturity

The fair value of the Company’s investment securities held to maturity 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.  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.

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 that applies prevailing market interest rates for similar maturity instruments.

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Oct. 30, 2015
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		43,290,202
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 9. Commitments and Contingencies

The Company is a party to financial instruments in the normal course of business to meet the financing needs of its customers and to reduce its own exposure to fluctuating interest rates. These financial instruments include commitments to extend credit, unused lines of credit, and standby letters of credit. Exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to make loans and standby letters of credit is represented by the contractual amount of those instruments. The Company uses the same credit origination guidelines, portfolio maintenance and management procedures as other credit and off-balance sheet products.  Commitments to extend credit and unused lines of credit totaled $1.3 billion at September 30, 2015 and $1.2 billion at December 31, 2014.  Since commitments to extend credit and unused lines of credit may expire without being fully drawn upon, this amount does not necessarily represent future cash commitments. Collateral obtained upon exercise of the commitment is determined using management’s credit evaluation of the borrower and may include accounts receivable, inventory, property, land and other items.

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 credit 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 as 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 $32.4 million at September 30, 2015 and $35.2 million at December 31, 2014.  As of September 30, 2015, the fair value of standby letters of credit was not significant to the Company’s consolidated financial statements.

The Company has also entered into commercial letter of credit agreements on behalf of its customers.  Under these agreements, the Company, on the request of its customer, opens the letter of credit and makes a commitment to honor draws made under the agreement, whereby the beneficiary is normally the provider of goods and/or services and the Company essentially replaces the customer as the payee.  The credit risk involved in issuing commercial 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 as other credit and off-balance sheet products.  Typically, these agreements vary in terms and the total amounts do not necessarily represent future cash commitments.  Commercial letters of credit totaled $5.3 million at September 30, 2015 and $22.5 million at December 31, 2014.  As of September 30, 2015, the fair value of commercial letters of credit was not significant to the Company’s consolidated financial statements.

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Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest, fee, and dividend income
Interest and fees on loans	$ 61,656	$ 61,173	$ 181,047	$ 181,747
Securities available for sale	5,125	6,095	15,214	19,464
Securities held to maturity	2,318	1,353	6,916	2,904
Other	401	513	1,276	1,552
Total interest, fee, and dividend income	69,500	69,134	204,453	205,667
Interest expense
Deposits	3,554	3,498	10,644	9,782
Short-term borrowings	296	262	561	702
Long-term debt	845	1,067	2,507	5,709
Junior subordinated debt	560	544	1,645	1,620
Total interest expense	5,255	5,371	15,357	17,813
Net interest income	64,245	63,763	189,096	187,854
Provision for loan losses	4,966	4,885	12,506	12,647
Net interest income after provision for loan losses	59,279	58,878	176,590	175,207
Noninterest income
Insurance and other financial services revenue	5,862	6,179	18,072	18,510
Service charges on deposit accounts	4,349	4,519	12,706	13,285
ATM and debit card fees	4,780	4,440	13,707	12,869
Retirement plan administration fees	3,249	3,272	10,011	9,167
Trust	4,611	4,758	14,257	14,157
Bank owned life insurance	931	1,095	3,418	3,455
Net securities gains	3	38	43	59
Gain on the sale of equity investment	4,179	0	4,179	19,401
Other	3,297	2,376	9,617	8,078
Total noninterest income	31,261	26,677	86,010	98,981
Noninterest expense
Salaries and employee benefits	30,227	28,933	91,240	89,609
Occupancy	5,326	5,211	16,804	16,872
Data processing and communications	4,207	4,029	12,598	12,045
Professional fees and outside services	3,137	3,695	10,029	10,862
Equipment	3,352	3,199	9,917	9,447
Office supplies and postage	1,576	1,733	4,822	5,221
FDIC expenses	1,355	1,134	3,833	3,641
Advertising	421	403	1,874	1,868
Amortization of intangible assets	1,165	1,275	3,636	3,821
Loan collection and other real estate owned, net	699	705	1,593	2,546
Prepayment penalties on long-term debt	0	13,349	0	17,903
Other	8,426	5,401	19,211	15,485
Total noninterest expense	59,891	69,067	175,557	189,320
Income before income tax expense	30,649	16,488	87,043	84,868
Income tax expense	10,798	5,576	29,745	28,307
Net income	$ 19,851	$ 10,912	$ 57,298	$ 56,561
Earnings per share
Basic (in dollars per share)	$ 0.45	$ 0.25	$ 1.30	$ 1.29
Diluted (in dollars per share)	$ 0.45	$ 0.25	$ 1.29	$ 1.28

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Securities

9 Months Ended

Sep. 30, 2015

Securities [Abstract]

Securities

Note 3. Securities

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

(In thousands)	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
September 30, 2015
Federal Agency	$	342,140	$	1,245	$	(122	)	$	343,263
State & municipal		33,140		510		(3	)		33,647
Mortgage-backed:
Government-sponsored enterprises		313,840		7,118		(105	)		320,853
U.S. government agency securities		14,293		728		(64	)		14,957
Collateralized mortgage obligations:
Government-sponsored enterprises		296,005		2,638		(63	)		298,580
U.S. government agency securities		31,302		485		(21	)		31,766
Other securities		12,900		2,531		(100	)		15,331
Total securities available for sale	$	1,043,620	$	15,255	$	(478	)	$	1,058,397
December 31, 2014
U.S. Treasury	$	23,041	$	70	$	-		$	23,111
Federal Agency		332,193		327		(2,606	)		329,914
State & municipal		37,035		587		(52	)		37,570
Mortgage-backed:
Government-sponsored enterprises		339,190		7,597		(224	)		346,563
U.S. government agency securities		17,367		863		(66	)		18,164
Collateralized mortgage obligations:
Government-sponsored enterprises		199,837		1,828		(234	)		201,431
U.S. government agency securities		40,237		497		(36	)		40,698
Other securities		12,818		3,054		(152	)		15,720
Total securities available for sale	$	1,001,718	$	14,823	$	(3,370	)	$	1,013,171

Other securities primarily represent marketable equity securities.

Securities with amortized costs totaling $1.1 billion at September 30, 2015 and $1.0 billion at December 31, 2014 were pledged to secure public deposits and for other purposes required or permitted by law.  At September 30, 2015 and December 31, 2014, securities with an amortized cost of $174.8 million and $208.8 million, respectively, were pledged as collateral for securities sold under repurchase agreements.

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

(In thousands)	Amortized cost		Unrealized gains		Unrealized losses			Estimated fair value
September 30, 2015
Mortgage-backed:
Government-sponsored enterprises	$	9,782	$	-	$	(25	)	$	9,757
U.S. government agency securities		665		107		-			772
Collateralized mortgage obligations:
Government-sponsored enterprises		282,966		4,081		(951	)		286,096
State & municipal		177,345		1,509		(43	)		178,811
Total securities held to maturity	$	470,758	$	5,697	$	(1,019	)	$	475,436
December 31, 2014
Mortgage-backed:
Government-sponsored enterprises	$	755	$	113	$	-		$	868
Collateralized mortgage obligations:
Government-sponsored enterprises		317,628		1,934		(1,965	)		317,597
State & municipal		135,978		674		(123	)		136,529
Total securities held to maturity	$	454,361	$	2,721	$	(2,088	)	$	454,994

The following table sets forth information with regard to investment securities with unrealized losses for the periods presented:

	Less than 12 months							12 months or longer							Total
Security Type:	Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions
September 30, 2015
Investment securities available for sale:
Federal agency	$	19,962	$	(30	)		2	$	29,908	$	(92	)		3	$	49,870	$	(122	)		5
State & municipal		2,957		(3	)		4		-		-			-		2,957		(3	)		4
Mortgage-backed		11,656		(109	)		14		4,319		(60	)		16		15,975		(169	)		30
Collateralized mortgage obligations		29,608		(62	)		5		4,340		(22	)		3		33,948		(84	)		8
Other securities		-		-			-		3,931		(100	)		3		3,931		(100	)		3
Total securities with unrealized losses	$	64,183	$	(204	)		25	$	42,498	$	(274	)		25	$	106,681	$	(478	)		50
September 30, 2015
Investment securities held to maturity:
Mortgage-backed	$	9,757	$	(25	)		1	$	-	$	-			-	$	9,757	$	(25	)		1
Collateralized mortgage obligations		-		-			-		43,127		(951	)		4		43,127		(951	)		4
State & municipal		6,313		(43	)		11		-		-			-		6,313		(43	)		11
Total securities with unrealized losses	$	16,070	$	(68	)		12	$	43,127	$	(951	)		4	$	59,197	$	(1,019	)		16
December 31, 2014
Investment securities available for sale:
Federal agency	$	66,528	$	(226	)		8	$	198,151	$	(2,380	)		16	$	264,679	$	(2,606	)		24
State & municipal		8,818		(42	)		33		1,321		(10	)		5		10,139		(52	)		38
Mortgage-backed		10,400		(36	)		10		35,565		(254	)		31		45,965		(290	)		41
Collateralized mortgage obligations		57,682		(196	)		8		6,598		(74	)		4		64,280		(270	)		12
Other securities		-		-			-		3,201		(152	)		2		3,201		(152	)		2
Total securities with unrealized losses	$	143,428	$	(500	)		59	$	244,836	$	(2,870	)		58	$	388,264	$	(3,370	)		117
December 31, 2014
Investment securities held to maturity:
Collateralized mortgage obligations	$	26,052	$	(49	)		2	$	46,415	$	(1,916	)		4	$	72,467	$	(1,965	)		6
State & municipal		43,514		(116	)		110		1,619		(7	)		6		45,133		(123	)		116
Total securities with unrealized losses	$	69,566	$	(165	)		112	$	48,034	$	(1,923	)		10	$	117,600	$	(2,088	)		122

Management has the intent to hold the securities classified as held to maturity until they mature, at which time it is believed the Company will receive full value for the securities. Furthermore, as of September 30, 2015, management also has the intent to hold, and will not be required to sell, the securities classified as available for sale for a period of time sufficient for a recovery of cost, which may be until maturity.  The unrealized losses 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 or not it will receive the contractual principal and interest on certain securities.  The fair value is expected to recover as the bonds approach their maturity date or repricing date or if market yields for such investments decline.  As of September 30, 2015, management believes the impairments detailed in the table above are temporary and no other-than-temporary impairment losses have been realized in the Company’s consolidated statements of income.

The following tables set forth information with regard to contractual maturities of debt securities at September 30, 2015:

(In thousands)	Amortized cost		Estimated fair value
Debt securities classified as available for sale
Within one year	$	4,031	$	4,058
From one to five years		369,188		371,294
From five to ten years		137,908		140,701
After ten years		519,593		527,013
	$	1,030,720	$	1,043,066
Debt securities classified as held to maturity
Within one year	$	42,420	$	42,427
From one to five years		15,186		15,260
From five to ten years		107,816		109,043
After ten years		305,336		308,706
	$	470,758	$	475,436

Maturities of mortgage-backed and collateralized mortgage obligations 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 September 30, 2015.

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Basis of Presentation

9 Months Ended

Sep. 30, 2015

Basis of Presentation [Abstract]

Basis of Presentation

Note 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, NBT Holdings, and Hathaway Agency, Inc.  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 (“GAAP”).  These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2014 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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Fair Value Measurements and Fair Value of Financial Instruments (Policies)

9 Months Ended

Sep. 30, 2015

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

Fair Value of Financial Instruments, Policy

U.S. 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 U.S. 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.

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 relies on both internal and external support on certain Level 3 investments. 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 nine month period ending September 30, 2015, the Company has made no transfers of assets between Level 1 and Level 2, and has had no Level 3 activity.

Certain common equity securities are reported at fair value utilizing Level 1 inputs (exchange quoted prices).  The majority of the other investment securities are reported at fair value utilizing Level 2 inputs.  The prices for these 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. 

U.S. GAAP requires disclosure of assets and liabilities measured and recorded at fair value on a nonrecurring basis such as goodwill, loans held for sale, other real estate owned, collateral-dependent impaired loans, mortgage servicing rights, and held-to-maturity securities. The only nonrecurring fair value measurements recorded during the nine month period ended September 30, 2015 were related to impaired loans and other real estate owned, which were immaterial.  For the nine month periods ending September 30, 2015 and September 30, 2014, the Company had $9.9 million and $8.8 million, respectively, of loans recorded at fair value resulting in specific allowance reserves of $3.5 million and $3.6 million, respectively.  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.

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.

Securities Held to Maturity

The fair value of the Company’s investment securities held to maturity 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.  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.

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 that applies prevailing market interest rates for similar maturity instruments.

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Description of Business (Policies)

9 Months Ended

Sep. 30, 2015

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 and financial services to customers in its market area, which includes central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, southern New Hampshire, and southern 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, principally in non-metropolitan markets, providing a broad array of banking and financial services to retail, commercial, and municipal customers.

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Earnings Per Share

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Note 6. Earnings Per Share

Basic earnings per share is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding for the period, excluding shares issuable upon the exercise of certain contracts to issue common stock, such as in-the-money stock options. Diluted earnings per share 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 earnings per share for the periods presented in the consolidated statements of income.

Three months ended September 30,	2015		2014
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,692		43,882
Net income		19,851		10,912
Basic EPS	$	0.45	$	0.25
Diluted EPS:
Weighted average common shares outstanding		43,692		43,882
Dilutive effect of common stock options and restricted stock		570		523
Weighted average common shares and common share equivalents		44,262		44,405
Net income		19,851		10,912
Diluted EPS	$	0.45	$	0.25

Nine months ended September 30,	2015		2014
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,949		43,847
Net income		57,298		56,561
Basic EPS	$	1.30	$	1.29
Diluted EPS:
Weighted average common shares outstanding		43,949		43,847
Dilutive effect of common stock options and restricted stock		519		507
Weighted average common shares and common share equivalents		44,468		44,354
Net income		57,298		56,561
Diluted EPS	$	1.29	$	1.28

There were 36,360 stock options for the quarter ended September 30, 2015 and 501,843 stock options for the quarter ended September 30, 2014 that were not considered in the calculation of diluted earnings per share since the stock options’ exercise price was greater than the average market price during these periods.

There were 334,759 stock options for the nine months ended September 30, 2015 and 502,836 stock options for the nine months ended September 30, 2014 that were not considered in the calculation of diluted earnings per share since the stock options’ exercise price was greater than the average market price during these periods.

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Allowance for Loan Losses and Credit Quality of Loans

9 Months Ended

Sep. 30, 2015

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

Allowance for Loan Losses and Credit Quality of Loans

Note  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 adequacy of the allowance for loan losses is continuously monitored.  It is assessed for adequacy 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.  The following table illustrates the portfolio and class segments for the Company’s loan portfolio:

Portfolio	Class
Commercial Loans	Commercial
	Commercial Real Estate
	Agricultural
	Agricultural Real Estate
	Business Banking
Consumer Loans	Indirect
	Home Equity
	Direct
Residential Real Estate Mortgages

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 (non-Real Estate) – The Company offers a variety of loan options to meet the specific needs of our commercial 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 and equipment purchases. Generally, a collateral lien is placed on equipment or other assets owned by the borrower.  These loans 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 and accounts receivable. To reduce the risk, management also attempts to secure real estate as collateral and obtain personal guarantees of the borrowers.

Commercial Real Estate – The Company offers commercial real estate loans to finance real estate purchases, refinancings, expansions and improvements to commercial properties.  Commercial real estate loans are made to finance the purchases of real estate, generally with completed structures. These commercial real estate loans are secured by first liens on the real estate, which may include apartments, commercial structures, housing businesses, healthcare facilities, and other non owner-occupied facilities.  These loans are typically less risky than commercial loans, since they are secured by real estate and buildings, and are generally originated in amounts of no more than 80% of the appraised value of the property.

Agricultural – The Company offers a variety of agricultural loans to meet the needs of our agricultural customers including term loans, time notes, and lines of credit.  These loans are made to purchase livestock, purchase and modernize equipment, and finance seasonal crop expenses.  Generally, a collateral lien is placed on the livestock, equipment, produce inventories, and/or receivables owned by the borrower.  These loans may carry a higher risk than commercial and agricultural real estate loans due to the industry price volatility, and in some cases, the perishable nature of the underlying collateral.  To reduce these risks, management may attempt to secure these loans with additional real estate collateral, obtain personal guarantees of the borrowers, or obtain government loan guarantees to provide further support.

Agricultural Real Estate – The Company offers real estate loans to our agricultural customers to finance farm related real estate purchases, refinancings, expansions, and improvements to agricultural properties such as barns, production facilities, and land.  The agricultural real estate loans are secured by first liens on the farm real estate.  Because they are secured by land and buildings, these loans may be less risky than agricultural loans.  These loans are typically originated in amounts of no more than 75% of the appraised value of the property.  Government loan guarantees may be obtained to provide further support.

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 $0.5 million 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 equipment or other assets owned by the borrower such as inventory and/or receivables.  These loans carry a higher risk than commercial loans due to the smaller size of the borrower and lower levels of capital.  To reduce the risk, 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 indirect, home equity, and direct loans.

Indirect – 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 75% of the indirect 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 indirect consumer loans are underwritten on a secured basis using the underlying collateral being financed.

Home Equity –The Company offers home equity lines of credit to consumers to finance home improvements, debt consolidation, education and other uses.  Consumers are able to borrow up to 85% of the equity in their homes.  The Company originates home equity lines of credit and second mortgage loans (loans secured by a second junior lien position on one-to-four-family residential real estate).  These loans carry a higher risk than first mortgage residential loans as they are typically in a second position with respect to collateral.  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.

Direct – The Company offers a variety of consumer installment loans to finance vehicle purchases, mobile home purchases and personal expenditures.  Most of these 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. The majority of consumer loans are underwritten on a secured basis using the underlying collateral being financed or a customer's deposit account. In addition to installment loans, the Company also offers personal lines of credit and overdraft protection.  A minimal amount of loans are unsecured, which carry a higher risk of loss.

Residential Real Estate Mortgages

Residential real estate loans consist primarily of loans secured by first or second deeds of trust 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 residential mortgage.  These loans are collateralized by owner-occupied properties located in the Company’s market area.  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.  The Company’s underwriting analysis for residential mortgage loans typically includes credit verification, independent appraisals, and a review of the borrower’s financial condition.  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.

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 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 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 or credits are necessary to maintain the allowance at a level which management believes is reasonably reflective of overall inherent risk of probable 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 and/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 for the three and nine months ended September 30, 2015 and 2014:

Three months ended September 30,	Commercial Loans			Consumer Loans			Residential Real Estate Mortgages			Unallocated		Total
Balance as of June 30, 2015	$	28,326		$	28,314		$	8,281		$	38	$	64,959
Charge-offs		(1,333	)		(4,530	)		(511	)		-		(6,374	)
Recoveries		258			889			161			-		1,308
Provision		(2,800	)		7,333			51			382		4,966
Ending Balance as of September 30, 2015	$	24,451		$	32,006		$	7,982		$	420	$	64,859
Balance as of June 30, 2014	$	35,123		$	27,973		$	6,205		$	233	$	69,534
Charge-offs		(1,517	)		(3,979	)		(481	)		-		(5,977	)
Recoveries		253			632			7			-		892
Provision		1,779			2,826			212			68		4,885
Ending Balance as of September 30, 2014	$	35,638		$	27,452		$	5,943		$	301	$	69,334

Nine months ended September 30,	Commercial Loans			Consumer Loans			Residential Real Estate Mortgages			Unallocated		Total
Balance as of December 31, 2014	$	32,433		$	26,720		$	7,130		$	76	$	66,359
Charge-offs		(2,715	)		(13,183	)		(1,524	)		-		(17,422	)
Recoveries		772			2,334			310			-		3,416
Provision		(6,039	)		16,135			2,066			344		12,506
Ending Balance as of September 30, 2015	$	24,451		$	32,006		$	7,982		$	420	$	64,859
Balance as of December 31, 2013	$	35,090		$	27,694		$	6,520		$	130	$	69,434
Charge-offs		(3,423	)		(11,659	)		(965	)		-		(16,047	)
Recoveries		966			2,087			247			-		3,300
Provision		3,005			9,330			141			171		12,647
Ending Balance as of September 30, 2014	$	35,638		$	27,452		$	5,943		$	301	$	69,334

As of September 30, 2015, included in the above tables, there was $1.9 million in the allowance for loan losses related to acquired commercial loans.  There was $3.0 in the allowance for loan losses as of September 30, 2014 related to acquired loans.  Net charge-offs related to acquired loans totaled approximately $0.5 million and $0.3 million during the three months ended September 30, 2015 and 2014, respectively, and approximately $1.2 million and $0.5 million during the nine months ended September 30, 2015 and 2014, respectively, and are included in the table above. 

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments as of September 30, 2015 and December 31, 2014:

Allowance for Loan Losses and Recorded Investment in Loans

(in thousands)

	Commercial Loans		Consumer Loans		Residential Real Estate Mortgages		Unallocated		Total
As of September 30, 2015
Allowance for loan losses	$	24,451	$	32,006	$	7,982	$	420	$	64,859
Allowance for loans individually evaluated for impairment		3,545		-		-				3,545
Allowance for loans collectively evaluated for impairment	$	20,906	$	32,006	$	7,982	$	420	$	61,314
Ending balance of loans	$	2,602,385	$	2,091,408	$	1,177,195			$	5,870,988
Ending balance of originated loans individually evaluated for impairment		12,559		7,590		5,867				26,016
Ending balance of acquired loans individually evaluated for impairment		9,317		-		-				9,317
Ending balance of acquired loans collectively evaluated for impairment		295,890		106,968		241,646				644,504
Ending balance of originated loans collectively evaluated for impairment	$	2,284,619	$	1,976,850	$	929,682			$	5,191,151
As of December 31, 2014
Allowance for loan losses	$	32,433	$	26,720	$	7,130	$	76	$	66,359
Allowance for loans individually evaluated for impairment		1,100		-		-				1,100
Allowance for loans collectively evaluated for impairment	$	31,333	$	26,720	$	7,130	$	76	$	65,259
Ending balance of loans	$	2,473,702	$	2,005,980	$	1,115,589			$	5,595,271
Ending balance of originated loans individually evaluated for impairment		11,079		5,498		3,544				20,121
Ending balance of acquired loans individually evaluated for impairment		5,675		-		-				5,675
Ending balance of acquired loans collectively evaluated for impairment		327,656		147,256		266,747				741,659
Ending balance of originated loans collectively evaluated for impairment	$	2,129,292	$	1,853,226	$	845,298			$	4,827,816

Credit Quality of Loans

Loans are placed on nonaccrual status when timely collection of principal and interest in accordance with contractual terms is doubtful. This generally occurs 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 or 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.  The Company’s nonaccrual policies are the same for all classes of financing receivable.

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.  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 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 as of September 30, 2015 and December 31, 2014:

Age Analysis of Past Due Financing Receivables

As of September 30, 2015

(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		Non-Accrual		Current		Recorded Total Loans
ORIGINATED
Commercial Loans
Commercial	$	2,050	$	100	$	-	$	2,150	$	1,264	$	647,577	$	650,991
Commercial Real Estate		537		-		-		537		6,236		1,176,523		1,183,296
Agricultural		-		-		-		-		900		32,486		33,386
Agricultural Real Estate		557		-		-		557		500		25,758		26,815
Business Banking		1,930		145		-		2,075		4,947		395,668		402,690
		5,074		245		-		5,319		13,847		2,278,012		2,297,178
Consumer Loans
Indirect		15,041		3,159		1,488		19,688		1,718		1,431,946		1,453,352
Home Equity		4,091		1,205		384		5,680		5,436		462,546		473,662
Direct		526		99		59		684		86		56,656		57,426
		19,658		4,463		1,931		26,052		7,240		1,951,148		1,984,440
Residential Real Estate Mortgages		2,312		80		1,253		3,645		8,462		923,442		935,549
	$	27,044	$	4,788	$	3,184	$	35,016	$	29,549	$	5,152,602	$	5,217,167
ACQUIRED
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	2,509	$	69,553	$	72,062
Commercial Real Estate		-		-		-		-		6,804		175,026		181,830
Business Banking		63		19		12		94		144		51,077		51,315
		63		19		12		94		9,457		295,656		305,207
Consumer Loans
Indirect		219		70		14		303		96		34,623		35,022
Home Equity		177		70		-		247		591		67,064		67,902
Direct		24		23		1		48		34		3,962		4,044
		420		163		15		598		721		105,649		106,968
Residential Real Estate Mortgages		863		41		579		1,483		2,797		237,366		241,646
	$	1,346	$	223	$	606	$	2,175	$	12,975	$	638,671	$	653,821
Total Loans	$	28,390	$	5,011	$	3,790	$	37,191	$	42,524	$	5,791,273	$	5,870,988

Age Analysis of Past Due Financing Receivables

As of December 31, 2014

(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		Non-Accrual		Current		Recorded Total Loans
ORIGINATED
Commercial Loans
Commercial	$	-	$	735	$	-	$	735	$	1,012	$	613,400	$	615,147
Commercial Real Estate		192		-		-		192		4,127		1,064,549		1,068,868
Agricultural		-		-		-		-		817		32,130		32,947
Agricultural Real Estate		19		-		-		19		565		24,390		24,974
Business Banking		799		235		84		1,118		6,910		390,407		398,435
		1,010		970		84		2,064		13,431		2,124,876		2,140,371
Consumer Loans
Indirect		16,434		3,154		1,991		21,579		1,964		1,286,507		1,310,050
Home Equity		4,591		1,428		821		6,840		6,596		479,444		492,880
Direct		560		157		52		769		84		54,941		55,794
		21,585		4,739		2,864		29,188		8,644		1,820,892		1,858,724
Residential Real Estate Mortgages		2,901		96		1,256		4,253		8,770		835,819		848,842
	$	25,496	$	5,805	$	4,204	$	35,505	$	30,845	$	4,781,587	$	4,847,937
ACQUIRED
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	3,009	$	72,255	$	75,264
Commercial Real Estate		-		-		-		-		2,666		197,222		199,888
Business Banking		5		15		-		20		665		57,494		58,179
		5		15		-		20		6,340		326,971		333,331
Consumer Loans
Indirect		518		5		54		577		106		64,540		65,223
Home Equity		190		60		5		255		557		75,904		76,716
Direct		31		-		7		38		33		5,246		5,317
		739		65		66		870		696		145,690		147,256
Residential Real Estate Mortgages		1,162		265		671		2,098		3,193		261,456		266,747
	$	1,906	$	345	$	737	$	2,988	$	10,229	$	734,117	$	747,334
Total Loans	$	27,402	$	6,150	$	4,941	$	38,493	$	41,074	$	5,515,704	$	5,595,271

There were no material commitments to extend further credit to borrowers with nonperforming loans.

Impaired Loans

The methodology used to establish the allowance for loan losses on impaired loans incorporates specific allocations on loans analyzed individually.  Classified and nonperforming loans with outstanding balances of $0.5 million or more and all troubled debt restructured loans (“TDRs”) are evaluated for impairment through the Company’s quarterly status review process.  In determining that we will be unable to collect all principal and 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 impaired as defined by accounting standards, 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 discounted at the loan's original effective interest rate or 3) the loan’s observable market price.  All impaired loans are reviewed on a quarterly basis for changes in the level of impairment.  Any change to the previously recognized impairment loss is recognized as a change to the allowance account and recorded in the consolidated statement of income as a component of the provision for loan losses.

The following table provides information on loans specifically evaluated for impairment as of September 30, 2015 and December 31, 2014:

	September 30, 2015							December 31, 2014
(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
Commercial	$	1,694	$	1,846				$	1,748	$	1,901
Commercial Real Estate		3,187		3,198					4,505		4,520
Agricultural		19		25					20		26
Agricultural Real Estate		623		749					1,147		1,441
Business Banking		995		1,037					896		1,301
Total Commercial Loans		6,518		6,855					8,316		9,189
Consumer Loans
Indirect		13		23					-		-
Home Equity		7,577		8,380					5,498		6,033
Direct		-		-					-		-
Total Consumer Loans		7,590		8,403					5,498		6,033
Residential Real Estate Mortgages		5,867		6,386					3,544		3,959
Total		19,975		21,644					17,358		19,181
With an allowance recorded:
Commercial Loans
Commercial		948		953			300		-		-			-
Commercial Real Estate		5,093		6,959			1,395		2,763		4,611			600
Total Commercial Loans		6,041		7,912			1,695		2,763		4,611			600
ACQUIRED
With no related allowance recorded:
Commercial Loans
Commercial Real Estate		5,488		5,789					2,666		3,830
With an allowance recorded:
Commercial Loans
Commercial		2,508		4,668			1,000		3,009		4,668			500
Commercial Real Estate		1,321		1,321			850		-		-			-
Total Commercial Loans		3,829		5,989			1,850		3,009		4,668			500
Total:	$	35,333	$	41,334		$	3,545	$	25,796	$	32,290		$	1,100

The following tables summarize the average recorded investments on impaired loans specifically evaluated for impairment and the interest income recognized for the three months ended September 30, 2015 and 2014:

	For the three months ended
	September 30, 2015				September 30, 2014
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
ORIGINATED
Commercial Loans
Commercial	$	2,469	$	42	$	1,957	$	-
Commercial Real Estate		8,560		42		9,619		43
Agricultural		19		-		102		-
Agricultural Real Estate		626		11		1,395		12
Business Banking		1,003		3		677		10
Consumer Loans
Indirect		20		-		-		-
Home Equity		7,432		134		5,435		85
Direct		-		-		-		-
Residential Real Estate Mortgage		5,564		37		2,961		29
Total Originated	$	25,693	$	269	$	22,146	$	179
ACQUIRED
Commercial Loans
Commercial		2,531		-		6,161		-
Commercial Real Estate		6,918		-		3,398		-
Total Acquired	$	9,449	$	-	$	9,559	$	-
Total Loans	$	35,142	$	269	$	31,705	$	179

	For the nine months ended
	September 30, 2015				September 30, 2014
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
ORIGINATED
Commercial Loans
Commercial	$	2,026	$	128	$	2,001	$	-
Commercial Real Estate		8,884		124		10,400		127
Agricultural		19		1		115		1
Agricultural Real Estate		630		34		1,410		35
Business Banking		952		9		509		33
Consumer Loans
Indirect		14		-		-		-
Home Equity		6,869		298		5,099		188
Direct		1		-		-		-
Residential Real Estate Mortgage		4,857		100		2,864		79
Total Originated	$	24,252	$	694	$	22,398	$	463
ACQUIRED
Commercial Loans
Commercial		2,658		-		6,303		-
Commercial Real Estate		7,070		-		3,461		-
Total Acquired	$	9,728	$	-	$	9,764	$	-
Total Loans	$	33,980	$	694	$	32,162	$	463

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.  Classified commercial loans consist of loans graded substandard and below.  The grading system for commercial and agricultural loans is as follows:

● 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 (declining revenues or margins) or may be struggling with an ill-proportioned balance sheet (e.g., 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, that 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 uncollectible 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 and it is expected that such timely payments of principal and interest will continue.

Consumer and Residential Mortgage Grading System

Consumer and Residential Mortgage loans are graded as either Performing or Nonperforming.   Nonperforming loans are loans that are 1) over 90 days past due and interest is still accruing, 2) on nonaccrual status or 3) restructured.  All loans not meeting any of these three criteria are considered Performing.

The following tables illustrate the Company’s credit quality by loan class as of September 30, 2015 and December 31, 2014:

Credit Quality Indicators

As of September 30, 2015

ORIGINATED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Agricultural		Agricultural Real Estate		Total
Pass	$	600,507	$	1,127,116	$	32,759	$	25,784	$	1,786,166
Special Mention		18,395		28,718		1		6		47,120
Substandard		32,089		27,462		618		1,025		61,194
Doubtful		-		-		8		-		8
Total	$	650,991	$	1,183,296	$	33,386	$	26,815	$	1,894,488
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking								Total
Non-classified	$	387,378							$	387,378
Classified		15,312								15,312
Total	$	402,690							$	402,690
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,450,146	$	467,842	$	57,281			$	1,975,269
Nonperforming		3,206		5,820		145				9,171
Total	$	1,453,352	$	473,662	$	57,426			$	1,984,440
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage								Total
Performing	$	925,834							$	925,834
Nonperforming		9,715								9,715
Total	$	935,549							$	935,549

Credit Quality Indicators

As of September 30, 2015

ACQUIRED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate				Total
Pass	$	66,770	$	163,948			$	230,718
Special Mention		939		5,780				6,719
Substandard		4,353		12,102				16,455
Total	$	72,062	$	181,830			$	253,892
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking						Total
Non-classified	$	47,310					$	47,310
Classified		4,005						4,005
Total	$	51,315					$	51,315
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	34,912	$	67,311	$	4,009	$	106,232
Nonperforming		110		591		35		736
Total	$	35,022	$	67,902	$	4,044	$	106,968
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage						Total
Performing	$	238,270					$	238,270
Nonperforming		3,376						3,376
Total	$	241,646					$	241,646

Credit Quality Indicators

As of December 31, 2014

ORIGINATED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate		Agricultural		Agricultural Real Estate		Total
Pass	$	570,884	$	1,023,856	$	30,481	$	23,443	$	1,648,664
Special Mention		6,022		17,341		275		42		23,680
Substandard		38,241		27,671		2,183		1,489		69,584
Doubtful		-		-		8		-		8
Total	$	615,147	$	1,068,868	$	32,947	$	24,974	$	1,741,936
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking								Total
Non-classified	$	379,445							$	379,445
Classified		18,990								18,990
Total	$	398,435							$	398,435
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,306,095	$	485,463	$	55,658			$	1,847,216
Nonperforming		3,955		7,417		136				11,508
Total	$	1,310,050	$	492,880	$	55,794			$	1,858,724
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage								Total
Performing	$	838,816							$	838,816
Nonperforming		10,026								10,026
Total	$	848,842							$	848,842

Credit Quality Indicators

As of December 31, 2014

ACQUIRED
Commercial Credit Exposure By Internally Assigned Grade:	Commercial		Commercial Real Estate				Total
Pass	$	63,630	$	186,036			$	249,666
Special Mention		2,840		2,646				5,486
Substandard		8,794		11,206				20,000
Total	$	75,264	$	199,888			$	275,152
Business Banking Credit Exposure By Internally Assigned Grade:	Business Banking						Total
Non-classified	$	53,264					$	53,264
Classified		4,915						4,915
Total	$	58,179					$	58,179
Consumer Credit Exposure By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	65,063	$	76,154	$	5,277	$	146,494
Nonperforming		160		562		40		762
Total	$	65,223	$	76,716	$	5,317	$	147,256
Residential Mortgage Credit Exposure By Payment Activity:	Residential Mortgage						Total
Performing	$	262,883					$	262,883
Nonperforming		3,864						3,864
Total	$	266,747					$	266,747

Troubled Debt Restructured Loans

The Company’s loan portfolio includes certain loans that have been modified where economic concessions have been granted to borrowers who have experienced or are expected to experience financial difficulties.  These concessions typically result from the Company’s loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions.  Certain TDRs are classified as nonperforming at the time of restructure and may only be returned to performing status after considering the borrower’s sustained repayment performance for a reasonable period, generally six months.  Substantially all of these modifications included 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 principal.

When the Company modifies a loan, management evaluates any possible impairment 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, instead of discounted cash flows.  If management determines that the value of the modified loan is less than the recorded investment in the loan (net of previous charge-offs, deferred loan fees or costs and unamortized premium or discount), impairment is recognized through an allowance estimate or a charge-off to the allowance.  

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 for the three and nine months ended September 30, 2015 and 2014:

	Three months ended September 30, 2015
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Consumer
Home Equity		12	$	863	$	802
Residential Real Estate		16		1,293		1,191
Total Troubled Debt Restructurings		28	$	2,156	$	1,993

	Three months ended September 30, 2014
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Consumer
Home Equity		1	$	25	$	24
Direct		7		225		163
Total Consumer		8		250		187
Residential Real Estate		3		179		161
Total Troubled Debt Restructurings		11	$	429	$	348

	Nine months ended September 30, 2015
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial
Commercial		1	$	1,250	$	186
Small Business		1		220		173
Total Commercial		2		1,470		359
Consumer
Home Equity		39		3,212		2,915
Direct		4		109		102
Total Consumer		43		3,321		3,017
Residential Real Estate		32		3,066		2,854
Total Troubled Debt Restructurings		77	$	7,857	$	6,230

	Nine months ended September 30, 2014
	Number of contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial
Small Business		2	$	570	$	558
Consumer
Indirect		2		69		38
Home Equity		7		286		273
Direct		40		2,701		2,043
Total Consumer		49		3,056		2,354
Residential Real Estate		19		2,157		1,628
Total Troubled Debt Restructurings		70	$	5,783	$	4,540

The following table illustrates the recorded investment and number of modifications for TDRs within the three and nine months ended September 30, 2015 and 2014 where a concession has been made and subsequently defaulted during the period:

	Three months ended September 30, 2015				Three months ended September 30, 2014
	Number of contracts		Recorded Investment		Number of contracts		Recorded Investment
Consumer
Home Equity		-	$	-		1	$	25
Residential Real Estate		2		174		1		48
Total Troubled Debt Restructurings		2	$	174		2	$	73

	Nine months ended September 30, 2015				Nine months ended September 30, 2014
	Number of contracts		Recorded Investment		Number of contracts		Recorded Investment
Consumer
Home Equity		4	$	344		7	$	515
Residential Real Estate		2		174		-		-
Total Troubled Debt Restructurings		6	$	518		7	$	515

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Defined Benefit Postretirement Plans

9 Months Ended

Sep. 30, 2015

Defined Benefit Postretirement Plans [Abstract]

Defined Benefit Postretirement Plans

Note 5. Defined Benefit Postretirement Plans

The Company has a qualified, noncontributory, defined benefit pension plan (“the Plan”) covering substantially all of its employees at September 30, 2015.  Benefits paid from the plan are based on age, years of service, compensation and social security benefits, and are determined in accordance with defined formulas. The Company’s policy is to fund the pension plan in accordance with Employee Retirement Income Security Act of 1974 (“ERISA”) standards. Assets of the plan are invested in publicly traded stocks and bonds.  The Company is not required to make contributions to the Plan in 2015 and did not do so during the nine months ended September 30, 2015.

Market conditions can result in an unusually high degree of volatility and increase the risks and short term liquidity associated with certain investments held by the Plan which could impact the value of these investments.

In addition to the Plan, the Company also provides supplemental employee retirement plans to certain current and former executives.  These supplemental employee retirement plans and the Plan are collectively referred to herein as “Pension Benefits.”

Also, 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 postretirement health care benefits. These postretirement benefits are referred to herein as “Other Benefits.” The components of expense for Pension Benefits and Other Benefits are set forth below (in thousands):

	Pension Benefits						Other Benefits
	Three months ended September 30,						Three months ended September 30,
Components of net periodic (benefit) cost:	2015			2014			2015		2014
Service cost	$	669		$	587		$	4	$	4
Interest cost		996			1,040			101		90
Expected return on plan assets		(2,147	)		(2,175	)		-		-
Net amortization		550			25			1		(6	)
Total cost (benefit)	$	68		$	(523	)	$	106	$	88

	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
Components of net periodic (benefit) cost:	2015			2014			2015		2014
Service cost	$	1,979		$	1,761		$	12	$	12
Interest cost		2,992			3,120			283		270
Expected return on plan assets		(6,447	)		(6,525	)		-		-
Net amortization		1,642			75			31		(18	)
Total cost (benefit)	$	166		$	(1,569	)	$	326	$	264

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Reclassification Adjustments Out of Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2015

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

Reclassification Adjustments Out of Other Comprehensive Income (Loss)

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

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

Detail About Accumulated Other Comprehensive Income (Loss) Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income (loss)
	Three months ended
	September 30, 2015			September 30, 2014
Securities:
Gains on available for sale securities	$	(3	)	$	(38	)	Net securities (gains) losses
Amortization of unrealized gains and losses related to securities transfer		328			(99	)	Interest income
Tax (benefit) expense		(127	)		55		Income tax expense
Net of tax	$	198		$	(82	)
Pension and other benefits:
Amortization of net gains	$	566		$	74		Salaries and employee benefits
Amortization of prior service costs		(15	)		(55	)	Salaries and employee benefits
Tax benefit		(214	)		(8	)	Income tax expense
Net of tax	$	337		$	11
Total reclassifications during the period, net of tax	$	535		$	(71	)

Detail About Accumulated Other Comprehensive Income (Loss) Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income (loss)
	Nine months ended
	September 30, 2015			September 30, 2014
Securities:
Gains on available for sale securities	$	(43	)	$	(59	)	Net securities gains
Amortization of unrealized gains and losses related to securities transfer		999			(99	)	Interest income
Tax (benefit) expense		(372	)		64		Income tax expense
Net of tax	$	584		$	(94	)
Pension and other benefits:
Amortization of net gains	$	1,697		$	222		Salaries and employee benefits
Amortization of prior service costs		(24	)		(165	)	Salaries and employee benefits
Tax benefit		(652	)		(23	)	Income tax expense
Net of tax	$	1,021		$	34
Total reclassifications during the period, net of tax	$	1,605		$	(60	)

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Allowance for Loan Losses and Credit Quality of Loans, Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Allowance for Loan Losses and Credit Quality of Loans [Abstract]
Minimum balance for classified loans to be evaluated individually for impairment	$ 500		$ 500
With an allowance recorded [Abstract]
Recorded investment balance (book)	35,333		35,333		$ 25,796
Unpaid principal balance (legal)	41,334		41,334		32,290
Related allowance	3,545		3,545		1,100
Average recorded investment	35,142	$ 31,705	33,980	$ 32,162
Interest income recognized accrual	269	179	694	463
Originated Loans [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	19,975		19,975		17,358
Unpaid principal balance (legal)	21,644		21,644		19,181
With an allowance recorded [Abstract]
Average recorded investment	25,693	22,146	24,252	22,398
Interest income recognized accrual	269	179	694	463
Originated Loans [Member] | Commercial Loans [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	6,518		6,518		8,316
Unpaid principal balance (legal)	6,855		6,855		9,189
With an allowance recorded [Abstract]
Recorded investment balance (book)	6,041		6,041		2,763
Unpaid principal balance (legal)	7,912		7,912		4,611
Related allowance	1,695		1,695		600
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	1,694		1,694		1,748
Unpaid principal balance (legal)	1,846		1,846		1,901
With an allowance recorded [Abstract]
Recorded investment balance (book)	948		948		0
Unpaid principal balance (legal)	953		953		0
Related allowance	300		300		0
Average recorded investment	2,469	1,957	2,026	2,001
Interest income recognized accrual	42	0	128	0
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	3,187		3,187		4,505
Unpaid principal balance (legal)	3,198		3,198		4,520
With an allowance recorded [Abstract]
Recorded investment balance (book)	5,093		5,093		2,763
Unpaid principal balance (legal)	6,959		6,959		4,611
Related allowance	1,395		1,395		600
Average recorded investment	8,560	9,619	8,884	10,400
Interest income recognized accrual	42	43	124	127
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	19		19		20
Unpaid principal balance (legal)	25		25		26
With an allowance recorded [Abstract]
Average recorded investment	19	102	19	115
Interest income recognized accrual	0	0	1	1
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	623		623		1,147
Unpaid principal balance (legal)	749		749		1,441
With an allowance recorded [Abstract]
Average recorded investment	626	1,395	630	1,410
Interest income recognized accrual	11	12	34	35
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	995		995		896
Unpaid principal balance (legal)	1,037		1,037		1,301
With an allowance recorded [Abstract]
Average recorded investment	1,003	677	952	509
Interest income recognized accrual	3	10	9	33
Originated Loans [Member] | Consumer Loans [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	7,590		7,590		5,498
Unpaid principal balance (legal)	8,403		8,403		6,033
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	13		13		0
Unpaid principal balance (legal)	23		23		0
With an allowance recorded [Abstract]
Average recorded investment	20	0	14	0
Interest income recognized accrual	0	0	0	0
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	7,577		7,577		5,498
Unpaid principal balance (legal)	8,380		8,380		6,033
With an allowance recorded [Abstract]
Average recorded investment	7,432	5,435	6,869	5,099
Interest income recognized accrual	134	85	298	188
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	0		0		0
Unpaid principal balance (legal)	0		0		0
With an allowance recorded [Abstract]
Average recorded investment	0	0	1	0
Interest income recognized accrual	0	0	0	0
Originated Loans [Member] | Residential Real Estate Mortgages [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	5,867		5,867		3,544
Unpaid principal balance (legal)	6,386		6,386		3,959
With an allowance recorded [Abstract]
Average recorded investment	5,564	2,961	4,857	2,864
Interest income recognized accrual	37	29	100	79
Acquired Loans [Member]
With an allowance recorded [Abstract]
Average recorded investment	9,449	9,559	9,728	9,764
Interest income recognized accrual	0	0	0	0
Acquired Loans [Member] | Commercial Loans [Member]
With an allowance recorded [Abstract]
Recorded investment balance (book)	3,829		3,829		3,009
Unpaid principal balance (legal)	5,989		5,989		4,668
Related allowance	1,850		1,850		500
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member]
With an allowance recorded [Abstract]
Recorded investment balance (book)	2,508		2,508		3,009
Unpaid principal balance (legal)	4,668		4,668		4,668
Related allowance	1,000		1,000		500
Average recorded investment	2,531	6,161	2,658	6,303
Interest income recognized accrual	0	0	0	0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member]
With no allowance recorded [Abstract]
Recorded investment balance (book)	5,488		5,488		2,666
Unpaid principal balance (legal)	5,789		5,789		3,830
With an allowance recorded [Abstract]
Recorded investment balance (book)	1,321		1,321		0
Unpaid principal balance (legal)	1,321		1,321		0
Related allowance	850		850		$ 0
Average recorded investment	6,918	3,398	7,070	3,461
Interest income recognized accrual	$ 0	$ 0	$ 0	$ 0

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

9 Months Ended

Sep. 30, 2015

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

Portfolio and Class Segments

The following table illustrates the portfolio and class segments for the Company’s loan portfolio:

Portfolio	Class
Commercial Loans	Commercial
	Commercial Real Estate
	Agricultural
	Agricultural Real Estate
	Business Banking
Consumer Loans	Indirect
	Home Equity
	Direct
Residential Real Estate Mortgages

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 adequacy of the allowance for loan losses is continuously monitored.  It is assessed for adequacy 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.  The following table illustrates the portfolio and class segments for the Company’s loan portfolio:

Portfolio	Class
Commercial Loans	Commercial
	Commercial Real Estate
	Agricultural
	Agricultural Real Estate
	Business Banking
Consumer Loans	Indirect
	Home Equity
	Direct
Residential Real Estate Mortgages

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 (non-Real Estate) – The Company offers a variety of loan options to meet the specific needs of our commercial 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 and equipment purchases. Generally, a collateral lien is placed on equipment or other assets owned by the borrower.  These loans 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 and accounts receivable. To reduce the risk, management also attempts to secure real estate as collateral and obtain personal guarantees of the borrowers.

Commercial Real Estate – The Company offers commercial real estate loans to finance real estate purchases, refinancings, expansions and improvements to commercial properties.  Commercial real estate loans are made to finance the purchases of real estate, generally with completed structures. These commercial real estate loans are secured by first liens on the real estate, which may include apartments, commercial structures, housing businesses, healthcare facilities, and other non owner-occupied facilities.  These loans are typically less risky than commercial loans, since they are secured by real estate and buildings, and are generally originated in amounts of no more than 80% of the appraised value of the property.

Agricultural – The Company offers a variety of agricultural loans to meet the needs of our agricultural customers including term loans, time notes, and lines of credit.  These loans are made to purchase livestock, purchase and modernize equipment, and finance seasonal crop expenses.  Generally, a collateral lien is placed on the livestock, equipment, produce inventories, and/or receivables owned by the borrower.  These loans may carry a higher risk than commercial and agricultural real estate loans due to the industry price volatility, and in some cases, the perishable nature of the underlying collateral.  To reduce these risks, management may attempt to secure these loans with additional real estate collateral, obtain personal guarantees of the borrowers, or obtain government loan guarantees to provide further support.

Agricultural Real Estate – The Company offers real estate loans to our agricultural customers to finance farm related real estate purchases, refinancings, expansions, and improvements to agricultural properties such as barns, production facilities, and land.  The agricultural real estate loans are secured by first liens on the farm real estate.  Because they are secured by land and buildings, these loans may be less risky than agricultural loans.  These loans are typically originated in amounts of no more than 75% of the appraised value of the property.  Government loan guarantees may be obtained to provide further support.

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 $0.5 million 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 equipment or other assets owned by the borrower such as inventory and/or receivables.  These loans carry a higher risk than commercial loans due to the smaller size of the borrower and lower levels of capital.  To reduce the risk, 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 indirect, home equity, and direct loans.

Indirect – 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 75% of the indirect 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 indirect consumer loans are underwritten on a secured basis using the underlying collateral being financed.

Home Equity –The Company offers home equity lines of credit to consumers to finance home improvements, debt consolidation, education and other uses.  Consumers are able to borrow up to 85% of the equity in their homes.  The Company originates home equity lines of credit and second mortgage loans (loans secured by a second junior lien position on one-to-four-family residential real estate).  These loans carry a higher risk than first mortgage residential loans as they are typically in a second position with respect to collateral.  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.

Direct – The Company offers a variety of consumer installment loans to finance vehicle purchases, mobile home purchases and personal expenditures.  Most of these 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. The majority of consumer loans are underwritten on a secured basis using the underlying collateral being financed or a customer's deposit account. In addition to installment loans, the Company also offers personal lines of credit and overdraft protection.  A minimal amount of loans are unsecured, which carry a higher risk of loss.

Residential Real Estate Mortgages

Residential real estate loans consist primarily of loans secured by first or second deeds of trust 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 residential mortgage.  These loans are collateralized by owner-occupied properties located in the Company’s market area.  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.  The Company’s underwriting analysis for residential mortgage loans typically includes credit verification, independent appraisals, and a review of the borrower’s financial condition.  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.

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 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 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 or credits are necessary to maintain the allowance at a level which management believes is reasonably reflective of overall inherent risk of probable 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 and/or changes in management’s assessment of any or all of the determining factors discussed above.

Troubled Debt Restructuring

Troubled Debt Restructured Loans

The Company’s loan portfolio includes certain loans that have been modified where economic concessions have been granted to borrowers who have experienced or are expected to experience financial difficulties.  These concessions typically result from the Company’s loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions.  Certain TDRs are classified as nonperforming at the time of restructure and may only be returned to performing status after considering the borrower’s sustained repayment performance for a reasonable period, generally six months.  Substantially all of these modifications included 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 principal.

When the Company modifies a loan, management evaluates any possible impairment 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, instead of discounted cash flows.  If management determines that the value of the modified loan is less than the recorded investment in the loan (net of previous charge-offs, deferred loan fees or costs and unamortized premium or discount), impairment is recognized through an allowance estimate or a charge-off to the allowance.  

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Defined Benefit Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2015

Defined Benefit Postretirement Plans [Abstract]

Components of Net Periodic Pension Benefits and Other Benefit Costs

The components of expense for Pension Benefits and Other Benefits are set forth below (in thousands):

	Pension Benefits						Other Benefits
	Three months ended September 30,						Three months ended September 30,
Components of net periodic (benefit) cost:	2015			2014			2015		2014
Service cost	$	669		$	587		$	4	$	4
Interest cost		996			1,040			101		90
Expected return on plan assets		(2,147	)		(2,175	)		-		-
Net amortization		550			25			1		(6	)
Total cost (benefit)	$	68		$	(523	)	$	106	$	88

	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
Components of net periodic (benefit) cost:	2015			2014			2015		2014
Service cost	$	1,979		$	1,761		$	12	$	12
Interest cost		2,992			3,120			283		270
Expected return on plan assets		(6,447	)		(6,525	)		-		-
Net amortization		1,642			75			31		(18	)
Total cost (benefit)	$	166		$	(1,569	)	$	326	$	264

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Commitments and Contingencies (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Commitment to Extend Credits and Unused Lines of Credit [Member]
Guarantor Obligations [Line Items]
Commitments - maximum potential obligation	$ 1,300.0	$ 1,200.0
Standby Letters of Credit [Member]
Guarantor Obligations [Line Items]
Commitments - maximum potential obligation	$ 32.4	35.2
Obligation instrument term	5 years
Commercial Letters of Credit [Member]
Guarantor Obligations [Line Items]
Commitments - maximum potential obligation	$ 5.3	$ 22.5

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Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements of Comprehensive Income (unaudited) [Abstract]
Net income	$ 19,851	$ 10,912	$ 57,298	$ 56,561
Other comprehensive (loss) income, net of tax:
Unrealized net holding gains (losses) arising during the period (pre-tax amounts of $3,801, (3,693), $3,367 and $13,199)	2,323	(2,124)	2,057	8,075
Reclassification adjustment for net gains related to securities available for sale included in net income (pre-tax amounts of $3, $38, $43 and $59)	(2)	(23)	(26)	(35)
Amortization of unrealized net gains and losses related to the reclassification of available for sale investment securities to held to maturity (pre-tax amounts of $328, ($99), $999 and ($99))	200	(59)	610	(59)
Pension and other benefits:
Amortization of prior service cost and actuarial gains (pre-tax amounts of $551, $19, $1,673 and $57)	337	11	1,021	34
Total other comprehensive (loss) income	2,858	(2,195)	3,662	8,015
Comprehensive income	$ 22,709	$ 8,717	$ 60,960	$ 64,576

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Description of Business

9 Months Ended

Sep. 30, 2015

Description of Business [Abstract]

Description of Business

Note 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 and financial services to customers in its market area, which includes central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, southern New Hampshire, and southern 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, principally in non-metropolitan markets, providing a broad array of banking and financial services to retail, commercial, and municipal customers.

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings per Share

The following is a reconciliation of basic and diluted earnings per share for the periods presented in the consolidated statements of income.

Three months ended September 30,	2015		2014
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,692		43,882
Net income		19,851		10,912
Basic EPS	$	0.45	$	0.25
Diluted EPS:
Weighted average common shares outstanding		43,692		43,882
Dilutive effect of common stock options and restricted stock		570		523
Weighted average common shares and common share equivalents		44,262		44,405
Net income		19,851		10,912
Diluted EPS	$	0.45	$	0.25

Nine months ended September 30,	2015		2014
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,949		43,847
Net income		57,298		56,561
Basic EPS	$	1.30	$	1.29
Diluted EPS:
Weighted average common shares outstanding		43,949		43,847
Dilutive effect of common stock options and restricted stock		519		507
Weighted average common shares and common share equivalents		44,468		44,354
Net income		57,298		56,561
Diluted EPS	$	1.29	$	1.28

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Basic EPS [Abstract]
Weighted average common shares outstanding (in shares)	43,692,000	43,882,000	43,949,000	43,847,000
Net income	$ 19,851	$ 10,912	$ 57,298	$ 56,561
Basic EPS (in dollars per share)	$ 0.45	$ 0.25	$ 1.30	$ 1.29
Diluted EPS [Abstract]
Weighted average common shares outstanding (in shares)	43,692,000	43,882,000	43,949,000	43,847,000
Dilutive effect of common stock options and restricted stock (in shares)	570,000	523,000	519,000	507,000
Weighted average common shares and common share equivalents (in shares)	44,262,000	44,405,000	44,468,000	44,354,000
Net income	$ 19,851	$ 10,912	$ 57,298	$ 56,561
Diluted EPS (in dollars per share)	$ 0.45	$ 0.25	$ 1.29	$ 1.28
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options excluded from calculation of diluted EPS (in shares)	36,360	501,843	334,759	502,836

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Securities (Policies)

9 Months Ended

Sep. 30, 2015

Securities [Abstract]

Investment, Policy

Management has the intent to hold the securities classified as held to maturity until they mature, at which time it is believed the Company will receive full value for the securities. Furthermore, as of September 30, 2015, management also has the intent to hold, and will not be required to sell, the securities classified as available for sale for a period of time sufficient for a recovery of cost, which may be until maturity.  The unrealized losses 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 or not it will receive the contractual principal and interest on certain securities.  The fair value is expected to recover as the bonds approach their maturity date or repricing date or if market yields for such investments decline.  As of September 30, 2015, management believes the impairments detailed in the table above are temporary and no other-than-temporary impairment losses have been realized in the Company’s consolidated statements of income.