10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10‑Q

(Mark One)

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

For the quarterly period ended September 30, 2013.

OR

o 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  x No  o

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   x   No   o

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 x Accelerated filer o Non-accelerated filer o Smaller reporting company o

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

Yes   o   No   x

As of October 31, 2013, there were 43,315,895 shares outstanding of the Registrant's common stock, $0.01 par value per share.

NBT BANCORP INC.

FORM 10-Q--Quarter Ended September 30, 2013

TABLE OF CONTENTS

PART I	FINANCIAL INFORMATION
Item 1	Financial Statements	3
	Consolidated Balance Sheets at September 30, 2013 and December 31, 2012	3
	Consolidated Statements of Income for the three and nine month periods ended September 30, 2013 and 2012	4
	Consolidated Statements of Comprehensive Income for the three and nine month periods ended September 30, 2013 and 2012	5
	Consolidated Statements of Stockholders’ Equity for the nine month periods ended September 30, 2013 and 2012	5
	Consolidated Statements of Cash Flows for the nine month periods ended September 30, 2013 and 2012	6
	Notes to Unaudited Interim Consolidated Financial Statements	8
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	41
Item 3	Quantitative and Qualitative Disclosures about Market Risk	62
Item 4	Controls and Procedures	62
PART II	OTHER INFORMATION
Item 1	Legal Proceedings	63
Item 1A	Risk Factors	63
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	63
Item 3	Defaults Upon Senior Securities	63
Item 4	Mine Safety Disclosures	63
Item 5	Other Information	63
Item 6	Exhibits	64
SIGNATURES		65
INDEX TO EXHIBITS		66

2

Item 1 – FINANCIAL STATEMENTS

NBT Bancorp Inc. and Subsidiaries
Consolidated Balance Sheets (unaudited)
	September 30,			December 31,
(In thousands, except share and per share data)	2013			2012
Assets
Cash and due from banks	$	205,884		$	157,094
Short-term interest bearing accounts		2,358			6,574
Securities available for sale, at fair value		1,385,734			1,147,999
Securities held to maturity (fair value $115,620 and $61,535, respectively)		118,259			60,563
Trading securities		5,285			3,918
Federal Reserve and Federal Home Loan Bank stock		43,490			29,920
Loans		5,367,231			4,277,616
Less allowance for loan losses		70,184			69,334
Net loans		5,297,047			4,208,282
Premises and equipment, net		86,891			77,875
Goodwill		265,052			152,373
Intangible assets, net		26,857			16,962
Bank owned life insurance		113,821			80,702
Other assets		118,225			99,997
Total assets	$	7,668,903		$	6,042,259
Liabilities
Demand (noninterest bearing)	$	1,595,571		$	1,242,712
Savings, NOW, and money market		3,343,837			2,558,376
Time		1,063,730			983,261
Total deposits		6,003,138			4,784,349
Short-term borrowings		373,234			162,941
Long-term debt		309,009			367,492
Junior subordinated debt		101,196			75,422
Other liabilities		86,767			69,782
Total liabilities		6,873,344			5,459,986
Stockholders’ equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at September 30, 2013 and December 31, 2012		-			-
Common stock, $0.01 par value. Authorized 100,000,000 shares at September 30, 2013 and December 31, 2012; issued 49,651,494at September 30, 2013 and 39,305,131 at December 31, 2012		497			393
Additional paid-in-capital		573,241			346,692
Retained earnings		377,046			357,558
Accumulated other comprehensive loss		(23,120	)		(5,880	)
Common stock in treasury, at cost, 6,377,701 and 5,529,781 shares at September 30, 2013 and December 31, 2012, respectively		(132,105	)		(116,490	)
Total stockholders’ equity		795,559			582,273
Total liabilities and stockholders’ equity	$	7,668,903		$	6,042,259

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)	2013		2012		2013		2012
(In thousands, except per share data)
Interest, fee, and dividend income
Interest and fees on loans	$	61,773	$	53,817	$	177,499	$	154,534
Securities available for sale		6,520		6,550		18,803		21,024
Securities held to maturity		804		572		1,877		1,829
Other		472		348		1,363		1,153
Total interest, fee, and dividend income		69,569		61,287		199,542		178,540
Interest expense
Deposits		3,999		4,544		12,445		14,521
Short-term borrowings		232		60		341		149
Long-term debt		2,561		3,640		9,196		10,801
Trust preferred debentures		551		436		1,539		1,319
Total interest expense		7,343		8,680		23,521		26,790
Net interest income		62,226		52,607		176,021		151,750
Provision for loan losses		5,198		4,755		17,258		13,329
Net interest income after provision for loan losses		57,028		47,852		158,763		138,421
Noninterest income
Insurance and other financial services revenue		6,038		5,591		18,686		17,024
Service charges on deposit accounts		5,055		4,626		14,311		13,538
ATM and debit card fees		4,276		3,378		11,562		9,403
Retirement plan administration fees		3,062		2,718		8,701		7,462
Trust		4,345		2,242		11,957		6,683
Bank owned life insurance		913		639		2,648		2,228
Net securities gains		329		26		1,413		578
Other		3,129		2,407		8,635		8,449
Total noninterest income		27,147		21,627		77,913		65,365
Noninterest expense
Salaries and employee benefits		29,267		26,641		85,474		78,358
Occupancy		5,262		4,437		15,458		13,150
Data processing and communications		4,059		3,352		11,368		10,041
Professional fees and outside services		3,202		2,735		9,340		7,848
Equipment		2,988		2,435		8,480		7,224
Office supplies and postage		1,640		1,597		4,886		4,842
FDIC expenses		1,285		939		3,688		2,812
Advertising		722		701		2,445		2,308
Amortization of intangible assets		1,346		870		3,548		2,530
Loan collection and other real estate owned		886		614		2,025		2,051
Merger expenses		326		558		12,276		1,895
Other		5,303		4,552		14,453		12,236
Total noninterest expense		56,286		49,431		173,441		145,295
Income before income tax expense		27,889		20,048		63,235		58,491
Income tax expense		8,632		5,513		19,413		17,049
Net income	$	19,257	$	14,535	$	43,822	$	41,442
Earnings per share
Basic	$	0.44	$	0.43	$	1.06	$	1.24
Diluted	$	0.44	$	0.43	$	1.05	$	1.23

See accompanying notes to unaudited interim consolidated financial statements.

4

	Three months ended September 30,						Nine months ended September 30,
Consolidated Statements of Comprehensive Income (unaudited)	2013			2012			2013			2012
(In thousands)
Net income	$	19,257		$	14,535		$	43,822		$	41,442
Other comprehensive income, net of tax
Unrealized net holding (losses) gains arising during the period (pre-tax amounts of ($6,927), $1,463, (33,391) and $1,798)		(4,184	)		878			(20,167	)		1,079
Reclassification adjustment for net gains related to securities available for sale included in net income (pre-tax amounts of $329, $26, $1,413 and $578)		(197	)		(16	)		(848	)		(347	)
Pension and other benefits:
Amortization of prior service cost and actuarial gains (pre-tax amounts of $709, $989, $2,244 and $2,702)		426			599			1,354			1,626
Increase in unrecognized actuarial gains (pre-tax amounts of $4,036, $0, $4,036 and $0)		2,421			-			2,421			-
Total other comprehensive (loss) income		(1,534	)		1,461			(17,240	)		2,358
Comprehensive income	$	17,723		$	15,996		$	26,582		$	43,800

NBT Bancorp Inc. and Subsidiaries

Consolidated Statements of Stockholders’ Equity (unaudited)

									Accumulated
			Additional						Other			Common
	Common		Paid-in-			Retained			Comprehensive			Stock
	Stock		Capital			Earnings			Income (Loss)			in Treasury			Total
(in thousands, except share and per share data)
Balance at December 31, 2011	$	380	$	317,329		$	329,981		$	(6,104	)	$	(103,476	)	$	538,110
Net income		-		-			41,442			-			-			41,442
Cash dividends - $0.60 per share		-		-			(19,966	)		-			-			(19,966	)
Purchase of 769,568 treasury shares		-		-			-			-			(15,490	)		(15,490	)
Net issuance of 1,269,592 shares for acquisition		13		25,811			-			-			-			25,824
Net issuance of 85,943 shares to employee benefit plans and other stock plans, including tax benefit		-		(764	)		(196	)		-			1,785			825
Stock-based compensation		-		3,558			-			-			-			3,558
Other comprehensive income		-		-			-			2,358			-			2,358
Balance at September 30, 2012	$	393	$	345,934		$	351,261		$	(3,746	)	$	(117,181	)	$	576,661
Balance at December 31, 2012	$	393	$	346,692		$	357,558		$	(5,880	)	$	(116,490	)	$	582,273
Net income		-		-			43,822			-			-			43,822
Cash dividends - $0.60 per share		-		-			(24,334	)		-			-			(24,334	)
Purchase of 584,925 treasury shares		-		-			-			-			(12,459	)		(12,459	)
Issuance of 10,346,363 shares, net of 408,957 treasury shares, for acquisition		104		225,447			-			-			(5,779	)		219,772
Net issuance of 145,962 shares to employee benefit plans and other stock plans, including tax benefit		-		(2,469	)		-			-			2,623			154
Stock-based compensation		-		3,571			-			-			-			3,571
Other comprehensive loss		-		-			-			(17,240	)		-			(17,240	)
Balance at September 30, 2013	$	497	$	573,241		$	377,046		$	(23,120	)	$	(132,105	)	$	795,559

See accompanying notes to unaudited interim consolidated financial statements.

5

NBT Bancorp Inc. and Subsidiaries	Nine Months Ended September 30,
Consolidated Statements of Cash Flows (unaudited)	2013			2012
(In thousands, except per share data)
Operating activities
Net income	$	43,822		$	41,442
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses		17,258			13,329
Depreciation and amortization of premises and equipment		5,885			4,636
Net accretion on securities		4,082			1,766
Amortization of intangible assets		3,548			2,530
Stock based compensation		3,571			3,558
Bank owned life insurance income		(2,648	)		(2,228	)
Purchases of trading securities		(1,022	)		(705	)
Unrealized gains in trading securities		(345	)		(84	)
Deferred income tax expense (benefit)		1,126			(2,735	)
Proceeds from sales of loans held for sale		59,231			37,922
Originations of loans held for sale		(65,722	)		(47,263	)
Net gains on sales of loans held for sale		(1,168	)		(1,352	)
Net security gains		(1,413	)		(578	)
Net gain on sales of other real estate owned		(654	)		(602	)
Net decrease in other assets		12,016			9,316
Net increase (decrease) in other liabilities		8,694			(1,213	)
Net cash provided by operating activities		86,261			57,739
Investing activities
Net cash provided by acquisitions		80,909			53,121
Securities available for sale:
Proceeds from maturities, calls, and principal paydowns		314,104			381,160
Proceeds from sales		27,593			1,791
Purchases		(303,497	)		(329,378	)
Securities held to maturity:
Proceeds from maturities, calls, and principal paydowns		24,582			24,428
Purchases		(75,808	)		(14,959	)
Net increase in loans		(198,057	)		(234,330	)
Net increase in Federal Reserve and FHLB stock		(5,584	)		(672	)
Purchases of premises and equipment		(3,409	)		(4,805	)
Proceeds from sales of other real estate owned		3,470			2,411
Net cash used in investing activities		(135,697	)		(121,233	)
Financing activities
Net increase in deposits		105,369			156,761
Net increase (decrease) in short-term borrowings		188,689			(44,227	)
Repayments of long-term debt		(163,409	)		(3,350	)
Proceeds from the issuance of shares to employee benefit plans and other stock plans		154			825
Purchase of treasury stock		(12,459	)		(15,490	)
Cash dividends		(24,334	)		(19,966	)
Net cash provided by financing activities		94,010			74,553
Net increase in cash and cash equivalents		44,574			11,059
Cash and cash equivalents at beginning of period		163,668			129,381
Cash and cash equivalents at end of period	$	208,242		$	140,440

6

Supplemental disclosure of cash flow information	Nine Months Ended September 30,
Cash paid during the period for:	2013		2012
Interest	$	24,335	$	26,951
Income taxes paid		12,885		18,457
Acquisitions:
Fair value of assets acquired	$	1,504,415	$	257,865
Fair value of liabilities assumed		1,284,632		285,012
Fair value of debt issued in asset purchase		-		150

See accompanying notes to unaudited interim consolidated financial statements.

7

NBT BANCORP INC. and Subsidiaries

NOTES TO UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2013

Note 1. Description of Business

NBT Bancorp Inc. (the “Registrant”) is a registered financial holding company incorporated in the State of Delaware in 1986, with its principal headquarters located in Norwich, New York. The Registrant is the parent holding company of NBT Bank, N.A. (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (the “Trusts”).  Through the Bank, the Company is focused on community banking operations.  Through NBT Financial, the Company operates EPIC Advisors, Inc. (“EPIC”), a retirement plan administrator.  Through NBT Holdings, the Company operates Mang Insurance Agency, LLC (“Mang”), a full-service insurance agency.  The Trusts were organized to raise additional regulatory capital and to provide funding for certain acquisitions. The Registrant’s primary business consists of providing commercial banking and financial services to customers in its market area. The principal assets of the Registrant are all of the outstanding shares of common stock of its direct subsidiaries, and its principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial, and NBT Holdings.

The Bank is a full service commercial bank formed in 1856, which provides a broad range of financial products to individuals, corporations and municipalities throughout the central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, and southern New Hampshire market areas.

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 and NBT Holdings.  Collectively, the Registrant and its subsidiaries are referred to herein as “the Company.”  The interim data includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods in accordance with generally accepted accounting principles (“GAAP”).  These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2012 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.

Note 3. Acquisitions

Alliance Financial Corporation (“Alliance”)

On March 8, 2013, the Company acquired Alliance, the parent company of Alliance Bank, N.A., for total consideration of $226 million.  As part of the acquisition, Alliance was merged with and into the Company and Alliance Bank, with 26 branch locations in the central New York counties of Onondaga, Cortland, Madison, Oneida and Oswego, was merged with and into the Bank.  The merger with Alliance enabled the Company to expand its footprint into demographically attractive and contiguous markets located in the aforementioned New York counties.  Alliance operations were integrated into the Company and were included in the Consolidated Statements of Income from the date of acquisition.

8

Under the terms of the merger agreement, each outstanding share of Alliance common stock was converted into the right to receive 2.1779 shares of the Company’s common stock.  As a result, Alliance shareholders received 10.3 million shares of Company common stock valued at $226 million.

In connection with the merger, the consideration paid and the fair value of the assets acquired and the liabilities assumed on the date of acquisition are as summarized in the following table, in thousands:

Consideration paid:
NBT Bancorp common stock issued to Alliance common shareholders	$	225,551
Cash in lieu of fractional shares paid to Alliance common shareholders		11
Less treasury shares		5,779
Net consideration paid	$	219,783
Recognized Amounts of Identifiable Assets Acquired and (Liabilities Assumed) At Fair Value:
Cash and short term investments	$	81,060
Securities		320,618
Loans		904,473
Intangible assets		13,161
Other assets		71,589
Deposits		(1,113,420	)
Borrowings		(126,530	)
Trust preferred debentures		(25,774	)
Other liabilities		(18,908	)
Total identifiable net assets	$	106,269
Goodwill	$	113,514

The above recognized amounts of loans, other assets and other liabilities, at fair value, are preliminary estimates and are subject to adjustment but actual amounts are not expected to differ materially from those shown.

The estimated fair value of loans acquired from Alliance was determined by utilizing a methodology wherein similar loans were aggregated into pools.  Cash flows for each pool were determined by estimating future credit losses and the rate of prepayments.  Projected monthly cash flows were then discounted to present value based on a current market rate for similar loans. There was no carryover of Alliance’s allowance for credit losses associated with the loans acquired as loans were initially recorded at fair value.

Information about the acquired loan portfolio as of March 8, 2013 is as follows (in thousands):

Contractually required principal and interest at acquisition	$	908,614
Contractual cash flows not expected to be collected		(15,466	)
Expected cash flows at acquisition		893,148
Interest component of expected cash flows (accretable premium)		11,325
Fair value of acquired loans	$	904,473

9

The following table presents changes in the accretable discount (in thousands):

Balance at January 1, 2013	$	-
Alliance acquisition		11,325
Accretion recognized to date		(1,950	)
Balance at September 30, 2013	$	9,375

The core deposit and trust intangible assets recognized as part of the Alliance merger are being amortized over their estimated useful lives of approximately 10 and 15 years, respectively, utilizing an accelerated method.  The goodwill, which is not amortized for book purposes, is not deductible for tax purposes.

The fair value of savings and transaction deposit accounts acquired from Alliance was assumed to approximate the carrying value as these accounts have no stated maturity and are payable on demand.  Certificates of deposit were valued by projecting the expected cash flows based on the contractual terms of the certificates of deposit.  These cash flows were discounted based on a current market rate for a certificate of deposit with a corresponding maturity.

The fair value of borrowings, which was comprised of FHLB advances, was determined by obtaining settlement quotes from the FHLB.

Direct costs related to the Alliance acquisition were expensed as incurred and amounted to $12.3 million for the nine months ended September 30, 2013.

The following table presents unaudited pro forma information as if the acquisition had occurred on January 1, 2012 under the “Pro forma” columns.  This pro forma information gives effect to certain adjustments, including purchase accounting fair value adjustments, amortization of core deposit and other intangibles and related income tax effects.  Merger and acquisition integration costs related to the Alliance acquisition are excluded from the periods in which they were incurred.  The pro forma information does not necessarily reflect the results of operations that would have occurred had the Company merged with Alliance at the beginning of 2012.  Cost savings are also not reflected in the unaudited pro forma amounts for the nine months ended September 30, 2012 and 2013.

	Pro forma
	Nine months ended September 30,
	2013		2012
Net interest income	$	182,610	$	182,081
Noninterest income		82,592		78,950
Net income		52,933		48,609

Supplemental financial information regarding the former Alliance operations included in our Consolidated Statement of Income from the date of acquisition through September 30, 2013 has not been provided as it would be impracticable to do so.  The operations of Alliance have been integrated into the Bank’s operations and therefore financial information specific to revenues and expense associated with the former Alliance operations is not accessible.

Other Goodwill Adjustments

During the nine months ended September 30, 2013, the Company recorded a deferred tax adjustment related to the 2012 acquistion of Hampshire First Bank resulting in a decrease in goodwill of approximately $1.0 million.  In addition, the Company recorded a goodwill adjustment of approximately $0.1 million related to the 2012 acquisition of a financial services company.

10

Note 4. 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 $1.1 billion at September 30, 2013 and $841.7 million at December 31, 2012.  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 $40.7 million at September 30, 2013 and $37.5 million at December 31, 2012.  As of September 30, 2013, 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 $41.5 million at September 30, 2013 and $16.6 million at December 31, 2012.  As of September 30, 2013, the fair value of commercial letters of credit was not significant to the Company’s consolidated financial statements.

Note 5. 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 risk of probable 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.

11

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).  Prior to 2013, separate disclosures for acquired loans were not significant and were included with originated loans in the Company’s asset quality disclosures.  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 – 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 and is generally less liquid than real estate. 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 property which generally consists of real estate 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.

12

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 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 fixed home equity loans as well as 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 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.

13

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 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.

14

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, 2013 and 2012:

							Residential
Three months ended September 30	Commercial			Consumer			Real Estate
	Loans			Loans			Mortgages			Unallocated			Total
Balance as of June 30, 2013	$	37,704		$	26,456		$	6,806		$	218		$	71,184
Charge-offs		(3,489	)		(3,746	)		(374	)		-			(7,609	)
Recoveries		602			733			76			-			1,411
Provision		980			3,744			402			72			5,198
Ending Balance as of September 30, 2013	$	35,797		$	27,187		$	6,910		$	290		$	70,184
Balance as of June 30, 2012	$	37,495		$	27,235		$	5,943		$	61		$	70,734
Charge-offs		(1,904	)		(3,446	)		(480	)		-			(5,830	)
Recoveries		492			574			9			-			1,075
Provision		1,734			2,213			809			(1	)		4,755
Ending Balance as of September 30, 2012	$	37,817		$	26,576		$	6,281		$	60		$	70,734
							Residential
Nine months ended September 30	Commercial			Consumer			Real Estate
	Loans			Loans			Mortgages			Unallocated			Total
Balance as of December 31, 2012	$	35,624		$	27,162		$	6,252		$	296		$	69,334
Charge-offs		(8,009	)		(11,122	)		(1,347	)		-			(20,478	)
Recoveries		1,485			2,363			179			43			4,070
Provision		6,697			8,784			1,826			(49	)		17,258
Ending Balance as of September 30, 2013	$	35,797		$	27,187		$	6,910		$	290		$	70,184
Balance as of December 31, 2011	$	38,831		$	26,049		$	6,249		$	205		$	71,334
Charge-offs		(4,685	)		(11,237	)		(1,130	)		-			(17,052	)
Recoveries		1,180			1,918			25			-			3,123
Provision		2,491			9,846			1,137			(145	)		13,329
Ending Balance as of September 30, 2012	$	37,817		$	26,576		$	6,281		$	60		$	70,734

For acquired loans, to the extent that we experience deterioration in borrower credit quality resulting in a decrease in our expected cash flows subsequent to acquisition of the loans, an allowance for loan losses would be established based on our estimate of future credit losses over the remaining life of the loans.  As of September 30, 2013 and 2012, there was no allowance for loan losses for the acquired loan portfolio. Net charge-offs related to acquired loans totaled approximately $47,000 and $0.3 million during the three and nine months ended September 30, 2013, respectively, and are included in the table above.

15

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments as of September 30, 2013 and December 31, 2012:

Allowance for Loan Losses and Recorded Investment in Loans
(in thousands)
					Residential
	Commercial		Consumer		Real Estate
	Loans		Loans		Mortgages		Unallocated		Total
As of September 30, 2013
Allowance for loan losses	$	35,797	$	27,187	$	6,910	$	290	$	70,184
Allowance for loans individually evaluated for impairment	$	1,100	$	-	$	-			$	1,100
Allowance for loans collectively evaluated for impairment	$	34,697	$	27,187	$	6,910	$	290	$	69,084
Ending balance of loans	$	2,378,848	$	1,960,225	$	1,028,158			$	5,367,231
Ending balance of loans individually evaluated for impairment	$	15,323	$	-	$	-			$	15,323
Ending balance of acquired loans	$	432,806	$	243,469	$	325,491			$	1,001,766
Ending balance of loans collectively evaluated for impairment	$	1,930,719	$	1,716,756	$	702,667			$	4,350,142
As of December 31, 2012
Allowance for loan losses	$	35,624	$	27,162	$	6,252	$	296	$	69,334
Allowance for loans individually evaluated for impairment	$	2,848	$	-	$	-			$	2,848
Allowance for loans collectively evaluated for impairment	$	32,776	$	27,162	$	6,252	$	296	$	66,486
Ending balance of loans	$	2,003,371	$	1,623,138	$	651,107			$	4,277,616
Ending balance of loans individually evaluated for impairment	$	11,972	$	-	$	-			$	11,972
Ending balance of loans collectively evaluated for impairment	$	1,991,399	$	1,623,138	$	651,107			$	4,265,644

16

Credit Quality of Loans

Loans are placed on nonaccrual status when timely collection of principal and interest in accordance with contractual terms is doubtful. Loans are transferred to nonaccrual status generally when principal or interest payments become ninety days delinquent, unless the loan is well secured and in the process of collection, or sooner when management concludes 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.  When in the opinion of management the collection of principal appears unlikely, the loan balance is charged-off in total or in part.  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.

17

The following table illustrates the Company’s nonaccrual loans by loan class:

Loans on Nonaccrual Status as of:

(In thousands)	September 30, 2013		December 31, 2012
ORIGINATED
Commercial Loans
Commercial	$	4,409	$	4,985
Commercial Real Estate		8,642		7,977
Agricultural		1,076		699
Agricultural Real Estate		868		1,038
Business Banking		4,949		6,738
		19,944		21,437
Consumer Loans
Indirect		1,440		1,557
Home Equity		5,965		7,247
Direct		92		266
		7,497		9,070
Residential Real Estate Mortgages		6,666		9,169
	$	34,107	$	39,676
ACQUIRED
Commercial Loans
Commercial	$	102
Commercial Real Estate		1,329
Business Banking		1,338
		2,769
Consumer Loans
Indirect		258
Home Equity		353
Direct		71
		682
Residential Real Estate Mortgages		3,860
	$	7,311
Total nonaccrual loans	$	41,418	$	39,676

18

The following tables set forth information with regard to past due and nonperforming loans by loan class as of September 30, 2013 and December 31, 2012:

Age Analysis of Past Due Financing Receivables
As of September 30, 2013
(in thousands)
					Greater Than
	31-60 Days		61-90 Days		90 Days		Total						Recorded
	Past Due		Past Due		Past Due		Past Due						Total
	Accruing		Accruing		Accruing		Accruing		Non-Accrual		Current		Loans
ORIGINATED
Commercial Loans
Commercial	$	76	$	1,031	$	-	$	1,107	$	4,409	$	589,008	$	594,524
Commercial Real Estate		478		-		-		478		8,642		910,134		919,254
Agricultural		140		-		-		140		1,076		63,576		64,792
Agricultural Real Estate		-		-		-		-		868		34,071		34,939
Business Banking		1,900		675		-		2,575		4,949		325,009		332,533
		2,594		1,706		-		4,300		19,944		1,921,798		1,946,042
Consumer Loans
Indirect		10,530		2,331		1,229		14,090		1,440		1,098,286		1,113,816
Home Equity		6,513		1,648		768		8,929		5,965		527,428		542,322
Direct		625		156		107		888		92		59,638		60,618
		17,668		4,135		2,104		23,907		7,497		1,685,352		1,716,756
Residential Real Estate Mortgages		2,955		172		994		4,121		6,666		691,880		702,667
	$	23,217	$	6,013	$	3,098	$	32,328	$	34,107	$	4,299,030	$	4,365,465
ACQUIRED
Commercial Loans
Commercial	$	70	$	-	$	-	$	70	$	102	$	114,202	$	114,374
Commercial Real Estate		232		-		-		232		1,329		243,233		244,794
Business Banking		246		-		-		246		1,338		72,054		73,638
		548		-		-		548		2,769		429,489		432,806
Consumer Loans
Indirect		526		116		32		674		258		143,588		144,520
Home Equity		750		-		154		904		353		89,443		90,700
Direct		113		16		2		131		71		8,047		8,249
		1,389		132		188		1,709		682		241,078		243,469
Residential Real Estate Mortgages		2,479		317		-		2,796		3,860		318,835		325,491
	$	4,416	$	449	$	188	$	5,053	$	7,311	$	989,402	$	1,001,766
Total Loans	$	27,633	$	6,462	$	3,286	$	37,381	$	41,418	$	5,288,432	$	5,367,231

19

As of December 31, 2012
(in thousands)
					Greater Than
	31-60 Days		61-90 Days		90 Days		Total						Recorded
	Past Due		Past Due		Past Due		Past Due						Total
	Accruing		Accruing		Accruing		Accruing		Non-Accrual		Current		Loans
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	4,985	$	556,496	$	561,481
Commercial Real Estate		126		-		-		126		7,977		966,692		974,795
Agricultural		22		-		-		22		699		63,037		63,758
Agricultural Real Estate		108		-		103		211		1,038		36,128		37,377
Business Banking		3,019		708		45		3,772		6,738		355,450		365,960
		3,275		708		148		4,131		21,437		1,977,803		2,003,371
Consumer Loans
Indirect		10,956		2,477		1,205		14,638		1,557		964,802		980,997
Home Equity		6,065		1,223		681		7,969		7,247		560,066		575,282
Direct		717		144		84		945		266		65,648		66,859
		17,738		3,844		1,970		23,552		9,070		1,590,516		1,623,138
Residential Real Estate Mortgages		1,839		725		330		2,894		9,169		639,044		651,107
	$	22,852	$	5,277	$	2,448	$	30,577	$	39,676	$	4,207,363	$	4,277,616

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 loans with outstanding balances of $0.5 million or more 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 or 3) the loan’s observable market price.  All impaired loans are reviewed on a quarterly basis for changes in the measurement 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 credit losses.

20

The following table provides information on impaired loans and specific reserve allocations as of September 30, 2013 and December 31, 2012:

	September 30, 2013						December 31, 2012
	Recorded		Unpaid				Recorded		Unpaid
	Investment		Principal				Investment		Principal
	Balance		Balance		Related		Balance		Balance		Related
(in thousands)	(Book)		(Legal)		Allowance		(Book)		(Legal)		Allowance
With no related allowance recorded:
Commercial Loans
Commercial	$	5,507	$	5,549			$	1,651	$	1,710
Commercial Real Estate		5,427		5,431				8,709		9,553
Agricultural		1,097		1,460				940		1,286
Agricultural Real Estate		1,529		1,936				1,713		2,026
Business Banking		6,533		8,927				7,048		9,579
Total Commercial Loans		20,093		23,303				20,061		24,154
Consumer Loans
Home Equity		3,304		3,496				2,553		2,657
Residential Real Estate Mortgages		2,234		2,626				2,011		2,308
	$	25,631	$	29,425			$	24,625	$	29,119
With an allowance recorded:
Commercial Loans
Commercial	$	-	$	-	$	-	$	4,335	$	4,340	$	2,241
Commercial Real Estate		6,216		7,838		1,100		4,068		5,689		607
Agricultural		-		-		-		-		-		-
Agricultural Real Estate		-		-		-		-		-		-
		6,216		7,838		1,100		8,403		10,029		2,848
Total:	$	31,847	$	37,263	$	1,100	$	33,028	$	39,148	$	2,848

21

The following tables summarize the average recorded investments on impaired loans and the interest income recognized for the three and nine months ended September 30, 2013 and 2012:

	For the three months ended
	September 30, 2013				September 30, 2012
	Average		Interest		Average		Interest Income
	Recorded		Income		Recorded		Recognized
(in thousands)	Investment		Recognized		Investment		Accrual
Commercial Loans
Commercial	$	3,348	$	15	$	1,128	$	32
Commercial Real Estate		10,751		-		7,140		-
Agricultural		1,526		-		2,876		4
Agricultural Real Estate		897		12		1,876		12
Business Banking		6,581		13		6,572		-
Consumer Loans
Home Equity		3,064		8		1,828		5
Residential Real Estate Mortgages		2,066		15		1,055		1
Total:	$	28,233	$	63	$	22,475	$	54
	For the nine months ended
	September 30, 2013				September 30, 2012
	Average		Interest		Average		Interest Income
	Recorded		Income		Recorded		Recognized
(in thousands)	Investment		Recognized		Investment		Accrual
Commercial Loans
Commercial	$	4,069	$	45	$	1,551	$	101
Commercial Real Estate		10,660		51		6,481		-
Agricultural		1,100		1		2,997		40
Agricultural Real Estate		1,287		36		1,926		65
Business Banking		7,538		43		7,151		-
Consumer Loans
Home Equity		2,871		20		1,869		17
Residential Real Estate Mortgages		2,015		42		1,043		4
Total:	$	29,540	$	238	$	23,018	$	227

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:

22

• 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.

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• Non-classified

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

Consumer and Residential 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, 2013 and December 31, 2012:

Credit Quality Indicators
As of September 30, 2013
ORIGINATED
			Commercial				Agricultural
Commercial Credit Exposure	Commercial		Real Estate		Agricultural		Real Estate		Total
By Internally Assigned Grade:
Pass	$	574,229	$	903,073	$	59,797	$	31,418	$	1,568,517
Special Mention		10,098		50		389		43		10,580
Substandard		10,197		16,131		4,594		3,478		34,400
Doubtful		-		-		12		-		12
Total	$	594,524	$	919,254	$	64,792	$	34,939	$	1,613,509
Business Banking Credit Exposure	Small Business								Total
By Internally Assigned Grade:
Non-classified	$	313,250							$	313,250
Classified		19,283								19,283
Total	$	332,533							$	332,533
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,111,147	$	535,589	$	60,419			$	1,707,155
Nonperforming		2,669		6,733		199				9,601
Total	$	1,113,816	$	542,322	$	60,618			$	1,716,756
	Residential
Residential Mortgage Credit Exposure	Mortgage								Total
By Payment Activity:
Performing	$	695,007							$	695,007
Nonperforming		7,660								7,660
Total	$	702,667							$	702,667

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Credit Quality Indicators
As of September 30, 2013
ACQUIRED
Commercial Credit Exposure			Commercial
By Internally Assigned Grade:	Commercial		Real Estate		Agricultural		Total
Pass	$	98,128	$	221,777	$	-	$	319,905
Special Mention		1,602		4,762		-		6,364
Substandard		14,644		18,255		-		32,899
Doubtful		-		-		-		-
Total	$	114,374	$	244,794	$	-	$	359,168
Business Banking Credit Exposure
By Internally Assigned Grade:	Small Business						Total
Non-classified	$	68,917					$	68,917
Classified		4,721						4,721
Total	$	73,638					$	73,638
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	144,230	$	90,193	$	8,176	$	242,599
Nonperforming		290		507		73		870
Total	$	144,520	$	90,700	$	8,249	$	243,469
Residential Mortgage Credit Exposure	Residential
By Payment Activity:	Mortgage						Total
Performing	$	321,631					$	321,631
Nonperforming		3,860						3,860
Total	$	325,491					$	325,491

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Credit Quality Indicators
As of December 31, 2012
Commercial Credit Exposure			Commercial				Agricultural
By Internally Assigned Grade:	Commercial		Real Estate		Agricultural		Real Estate		Total
Pass	$	522,985	$	901,928	$	57,347	$	33,472	$	1,515,732
Special Mention		18,401		32,135		13		3		50,552
Substandard		17,351		40,732		6,362		3,902		68,347
Doubtful		2,744		-		36		-		2,780
Total	$	561,481	$	974,795	$	63,758	$	37,377	$	1,637,411
Business Banking. Credit Exposure
By Internally Assigned Grade:	Small Business								Total
Non-classified	$	342,528							$	342,528
Classified		23,432								23,432
Total	$	365,960							$	365,960
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	978,235	$	567,354	$	66,509			$	1,612,098
Nonperforming		2,762		7,928		350				11,040
Total	$	980,997	$	575,282	$	66,859			$	1,623,138
Residential Mortgage Credit Exposure	Residential
By Payment Activity:	Mortgage								Total
Performing	$	641,608							$	641,608
Nonperforming		9,499								9,499
Total	$	651,107							$	651,107

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 troubled debt restructured loans (“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 scheduled payment amount.

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 by segment or class of loan as applicable, through an allowance estimate or a charge-off to the allowance.  Segment and class status is determined by the loan’s classification at origination.

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TDRs that occurred during the three month period ending September 30, 2013 consisted of 9 home equity loans, five residential real estate mortgage, and three commercial loans totaling $0.4 million, $0.3 million, and $6.1 million, respectively.  For all such modifications, the pre and post outstanding recorded investment amount remained unchanged. During the three month period ending September 30, 2013 there was one default on a home equity loan totaling $0.1 million.

There were no TDRs that occurred during the three month period ending September 30, 2012.  During the three month period ending September 30, 2012 there were no defaults on previously modified loans.

TDRs that occurred during the nine month period ending September 30, 2013 consisted of 20 home equity loans, six residential real estate mortgage, and four commercial loans totaling $1.0 million, $0.5 million, and $7.0 million, respectively.  For all such modifications, the pre and post outstanding recorded investment amount remained unchanged.  During the nine month period ending September 30, 2013 there were seven defaults on home equity loans totaling $0.5 million.

TDRs that occurred during the nine month period ending September 30, 2012 consisted of one commercial loan totaling $1.0 million and one residential real estate mortgage totaling $0.2 million.  The pre and post outstanding recorded investment amount remained unchanged.  During the nine month period ending September 30, 2012 there was one default on a home equity loan totaling $25,000 and three residential real estate mortgages totaling $0.4 million that were previously modified.

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Note 6. Earnings Per Share

Basic earnings per share excludes dilution and is computed by dividing income available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted 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,	2013		2012
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,711		33,619
Net income available to common shareholders		19,257		14,535
Basic EPS	$	0.44	$	0.43
Diluted EPS:
Weighted average common shares outstanding		43,711		33,619
Dilutive effect of common stock options and restricted stock		424		342
Weighted average common shares and common share equivalents		44,135		33,961
Net income available to common shareholders		19,257		14,535
Diluted EPS	$	0.44	$	0.43
Nine months ended September 30,		2013		2012
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		41,375		33,293
Net income available to common shareholders		43,822		41,442
Basic EPS	$	1.06	$	1.24
Diluted EPS:
Weighted average common shares outstanding		41,375		33,293
Dilutive effect of common stock options and restricted stock		394		333
Weighted average common shares and common share equivalents		41,769		33,626
Net income available to common shareholders		43,822		41,442
Diluted EPS	$	1.05	$	1.23

There were 972,403 stock options for the quarter ended September 30, 2013 and 1,176,670 stock options for the quarter ended September 30, 2012 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 1,157,135 stock options for the nine months ended September 30, 2013 and 1,197,417 stock options for the nine months ended September 30, 2012 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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Note 7. Defined Benefit Postretirement Plans

The Company has a qualified, noncontributory, defined benefit pension plan covering substantially all of its employees at September 30, 2013, including eligible Alliance employees as of March 8, 2013.  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 assumed a noncontributory, defined benefit pension plan in the Alliance acquisition.  This plan covers certain Alliance full-time employees who met eligibility requirements on October 6, 2006, at which time all benefits were frozen.  Under the plan, retirement benefits are primarily a function of both the years of service and the level of compensation.  Effective May 1, 2013, this plan was merged into the NBT Bancorp Inc. Defined Benefit Pension Plan (“the Plan”).  The merging of the plans required a valuation as of the merger date and resulted in a $2.4 million adjustment to accumulated other comprehensive income.  The merging of the plans did not have a significant impact on the Company’s financial statements and related footnotes.  The Company is not required to make contributions to the Plan in 2013, and did not do so during the nine months ended September 30, 2013.

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 Plans 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.  This health care benefits plan is contributory for participating retirees, requiring participants to absorb certain deductibles and coinsurance amounts with contributions adjusted annually to reflect cost sharing provisions and benefit limitations called for in the plan.  Eligibility is contingent upon the direct transition from active employment status to retirement without any break in employment from the Company.  Employees also must be participants in the Company’s medical plan prior to their retirement.  The Company funds the cost of postretirement health care as benefits are paid. The Company elected to recognize the transition obligation on a delayed basis over twenty years.  In addition, the Company assumed post-retirement medical life insurance benefits for certain Alliance employees, retirees and their spouses, if applicable, in the Alliance acquisition. These 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):

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	Pension Benefits						Other Benefits
	Three months ended September 30,						Three months ended September 30,
Components of net periodic benefit cost:	2013			2012			2013			2012
Service cost	$	604		$	757		$	6		$	6
Interest cost		830			774			75			40
Expected return on plan assets		(1,929	)		(1,676	)		-			-
Net amortization		711			992			(2	)		(3	)
Total cost (benefit)	$	216		$	847		$	79		$	43
	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
Components of net periodic benefit cost:		2013			2012			2013			2012
Service cost	$	1,813		$	2,270		$	18		$	16
Interest cost		2,489			2,322			224			119
Expected return on plan assets		(5,786	)		(5,026	)		-			-
Net amortization		2,025			2,710			219			(8	)
Total cost (benefit)	$	541		$	2,276		$	461		$	127

The Company is not required to make contributions to the plans in 2013, and did not do so during the nine months ended September 30, 2013.

Note 8. Junior Subordinated Debt

The Company sponsors five business trusts, CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II.  The trusts were formed for the purpose of issuing company-obligated mandatorily redeemable preferred securities to third-party investors and investing in the proceeds from the sale of such preferred securities solely in junior subordinated debt securities of the Company.  The debentures held by each trust are the sole assets of that trust.  These five statutory business trusts are collectively referred herein to as “the Trusts.”  The Company guarantees, on a limited basis, payments of distributions on the trust preferred securities and payments on redemption of the trust preferred securities.  The Trusts are variable interest entities (“VIEs”) for which the Company is not the primary beneficiary, as defined by U.S. GAAP.  In accordance with U.S. GAAP, the accounts of the Trusts are not included in the Company’s consolidated financial statements.

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As of September 30, 2013, the Trusts had the following issues of trust preferred debentures, all held by the Trusts, outstanding (dollars in thousands):

Description	Issuance Date	Trust Preferred Securities Outstanding		Interest Rate	Trust Preferred Debt Owed To Trust		Final Maturity Date
CNBF Capital Trust I	August-99	$	18,000	3-month LIBOR plus 2.75%	$	18,720	August-29
NBT Statutory Trust I	November-05		5,000	3-month LIBOR plus 1.40%		5,155	December-35
NBT Statutory Trust II	February-06		50,000	3-month LIBOR plus 1.40%		51,547	March-36
Alliance Financial Capital Trust I	December-03		10,000	3-month LIBOR plus 2.85%		10,310	January-34
Alliance Financial Capital Trust II	September-06		15,000	3-month LIBOR plus 1.65%		15,464	September-36

The Company owns all of the common stock of the Trusts, which have issued trust preferred securities in conjunction with the Company issuing trust preferred debentures to the Trusts. The terms of the trust preferred debentures are substantially the same as the terms of the trust preferred securities.

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Note 9. 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 price 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 consists of both internal and external support on certain Level 3 investments. Subsequent to inception, management only changes level 3 inputs and assumptions when corroborated by evidence such as transactions in similar instruments, completed or pending third-party transactions in the underlying investment or comparable entities, subsequent rounds of financing, recapitalizations and other transactions across the capital structure, offerings in the equity or debt markets, and changes in financial ratios or cash flows.

For the nine month period ending September 30, 2013, the Company has made no transfers of assets between Level 1 and Level 2, and has had no Level 3 activity.

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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, 2013:

	Quoted Prices in		Significant Other		Significant
	Active Markets for		Observable		Unobservable		Balance
	Identical Assets		Inputs		Inputs		as of
	(Level 1)		(Level 2)		(Level 3)		September 30, 2013
Assets:
Securities Available for Sale:
U.S. Treasury	$	43,804	$	-	$	-	$	43,804
Federal Agency		-		295,194		-		295,194
State & municipal		-		118,602		-		118,602
Mortgage-backed		-		335,206		-		335,206
Collateralized mortgage obligations		-		578,210		-		578,210
Other securities		9,671		5,047		-		14,718
Total Securities Available for Sale	$	53,475	$	1,332,259	$	-	$	1,385,734
Trading Securities		5,285		-		-		5,285
Interest Rate Swaps		-		1,038		-		1,038
Total	$	58,760	$	1,333,297	$	-	$	1,392,057
Liabilities:
Interest Rate Swaps	$	-	$	1,038	$	-	$	1,038
Total	$	-	$	1,038	$	-	$	1,038

December 31, 2012:

	Quoted Prices in		Significant		Significant
	Active Markets for		Other		Unobservable		Balance
	Identical Assets		Observable Inputs		Inputs		as of
	(Level 1)		(Level 2)		(Level 3)		December 31, 2012
Assets:
Securities Available for Sale:
U.S. Treasury	$	64,425	$	-	$	-	$	64,425
Federal Agency		-		282,814		-		282,814
State & municipal		-		86,802		-		86,802
Mortgage-backed		-		250,281		-		250,281
Collateralized mortgage obligations		-		449,723		-		449,723
Other securities		11,866		2,088		-		13,954
Total Securities Available for Sale	$	76,291	$	1,071,708	$	-	$	1,147,999
Trading Securities		3,918		-		-		3,918
Interest Rate Swaps		-		1,490		-		1,490
Total	$	80,209	$	1,073,198	$	-	$	1,153,407
Liabilities:
Interest Rate Swaps	$	-	$	1,490	$	-	$	1,490
Total	$	-	$	1,490	$	-	$	1,490

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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 measurement recorded during the nine month period ended September 30, 2013 and December 31, 2012 was related to impaired loans.  The Company had collateral dependent impaired loans with a carrying value of approximately $6.2 million which had specific reserves included in the allowance for loan losses of $1.1 million at September 30, 2013.  The Company had collateral dependent impaired loans with a carrying value of approximately $8.4 million which had specific reserves included in the allowance for loan losses of $2.8 million at December 31, 2012.  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, 2013 and December 31, 2012.  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, 2013				December 31, 2013
(In thousands)	Fair Value Hierarchy		Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Financial assets
Securities held to maturity		2	$	118,259	$	115,620	$	60,563	$	61,535
Net loans		3		5,297,047		5,358,132		4,208,282		4,313,244
Financial liabilities
Time deposits		2	$	1,063,730	$	1,068,888	$	983,261	$	994,376
Long-term debt		2		309,009		336,128		367,492		407,404
Trust preferred debentures		2		101,196		103,364		75,422		74,147

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.

Trust Preferred Debentures

The fair value of trust preferred debentures has been estimated using a discounted cash flow analysis.

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Note 10. 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, 2013
U.S. Treasury	$	43,359	$	445	$	-	$	43,804
Federal Agency		300,964		369		6,139		295,194
State & municipal		117,936		2,083		1,417		118,602
Mortgage-backed:
Government-sponsored enterprises		303,907		7,652		960		310,599
U.S. government securities		23,613		1,080		86		24,607
Collateralized mortgage obligations:
Government-sponsored enterprises		543,447		1,792		15,211		530,028
U.S. government securities		47,330		914		62		48,182
Other securities		12,367		2,551		200		14,718
Total securities available for sale	$	1,392,923	$	16,886	$	24,075	$	1,385,734
December 31, 2012
U.S. Treasury	$	63,668	$	757	$	-	$	64,425
Federal Agency		281,398		1,507		91		282,814
State & municipal		82,675		4,127		-		86,802
Mortgage-backed:
Government-sponsored enterprises		221,110		11,175		-		232,285
U.S. government securities		16,351		1,645		-		17,996
Collateralized mortgage obligations:
Government-sponsored enterprises		399,147		4,418		-		403,565
U.S. government securities		44,825		1,333		-		46,158
Other securities		11,210		2,832		88		13,954
Total securities available for sale	$	1,120,384	$	27,794	$	179	$	1,147,999

Other securities primarily represent marketable equity securities.

Proceeds from the sales of securities available for sale were $27.6 million during the nine months ended September 30, 2013, and gains on the sales were $1.4 million.  Proceeds from the sales of securities available for sale were $1.8 million during the nine months ended September 30, 2012, and gains on the sales were $0.6 million.  There were no losses on the sales during 2013 or 2012.

Securities with amortized costs totaling $1.2 billion at September 30, 2013 and $0.9 billion at December 31, 2012 were pledged to secure public deposits and for other purposes required or permitted by law.  Additionally, at September 30, 2013 and December 31, 2012, securities with an amortized cost of $222.2 million and $209.0 million, respectively, were pledged as collateral for securities sold under repurchase agreements.

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

	Amortized		Unrealized		Unrealized		Estimated
(In thousands)	cost		gains		losses		fair value
September 30, 2013
Mortgage-backed	$	983	$	122	$	-	$	1,105
Collateralized mortgage oblications		63,048		-		3,251		59,797
State & municipal		54,228		490		-		54,718
Total securities held to maturity	$	118,259	$	612	$	3,251	$	115,620
December 31, 2012
Mortgage-backed	$	1,168	$	184	$	-	$	1,352
State & municipal		59,395		788		-		60,183
Total securities held to maturity	$	60,563	$	972	$	-	$	61,535

The following table sets forth information with regard to investment securities with unrealized losses at September 30, 2013 and December 31, 2012:

	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, 2013
Investment securities available for sale:
Federal agency	$	300,964	$	(6,139	)		20	$	-	$	-			-	$	300,964	$	(6,139	)		20
State & municipal		117,936		(1,417	)		189		-		-			-		117,936		(1,417	)		189
Mortgage-backed		327,504		(1,046	)		81		-		-			-		327,504		(1,046	)		81
Collateralized mortgage obligations		590,777		(15,273	)		40		-		-			-		590,777		(15,273	)		40
Other securities		5,523		(170	)		2		218		(30	)		1		5,741		(200	)		3
Total securities with unrealized losses	$	1,342,704	$	(24,045	)		332	$	218	$	(30	)		1	$	1,342,922	$	(24,075	)		333
September 30, 2013
Investment securities held to maturity:
Collateralized mortgage obligations	$	63,048	$	(3,251	)		5	$	-	$	-			-	$	63,048	$	(3,251	)		5
Total securities with unrealized losses	$	63,048	$	(3,251	)		5	$	-	$	-			-	$	63,048	$	(3,251	)		5

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	Less than 12 months							12 months or longer							Total
	Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions
December 31, 2012
Investment securities available for sale:
U.S. Treasury	$	-	$	-			-	$	-	$	-			-	$	-	$	-			-
Federal agency		39,906		(91	)		4		-		-			-		39,906		(91	)		4
State & municipal		-		-			-		-		-			-		-		-			-
Mortgage-backed		-		-			-		-		-			-		-		-			-
Collateralized mortgage obligations		23		-			2		-		-			-		23		-			2
Other securities		468		(6	)		1		167		(82	)		1		635		(88	)		2
Total securities with unrealized losses	$	40,397	$	(97	)		7	$	167	$	(82	)		1	$	40,564	$	(179	)		8

Declines in the fair value of held-to-maturity and available-for-sale securities below their cost that are deemed to be other than temporary are reflected in earnings as realized losses or in other comprehensive income, depending on whether the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss.  If the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment shall be recognized in earnings equal to the entire difference between the investment’s amortized cost basis and its fair value at the balance sheet date.  If the Company does not intend to sell the security and it is not more likely than not that the entity will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment shall be separated into (a) the amount representing the credit loss and (b) the amount related to all other factors.  The amount of the total other-than-temporary impairment related to the credit loss shall be recognized in earnings. The amount of the total other-than-temporary impairment related to other factors shall be recognized in other comprehensive income, net of applicable taxes.

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

Management has the intent to hold the securities classified as 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, 2013, management also had 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, 2013, 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.

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The following tables set forth information with regard to contractual maturities of debt securities at September 30, 2013:

(In thousands)	Amortized cost		Estimated fair value
Debt securities classified as available for sale
Within one year	$	26,527	$	26,704
From one to five years		272,953		274,104
From five to ten years		295,191		293,558
After ten years		785,885		776,650
	$	1,380,556	$	1,371,016
Debt securities classified as held to maturity
Within one year	$	25,305	$	25,412
From one to five years		22,364		22,744
From five to ten years		5,054		5,059
After ten years		65,536		62,405
	$	118,259	$	115,620

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

Except for U.S. Government securities, there were no holdings, when taken in the aggregate, of any single issuer that exceeded 10% of consolidated stockholders’ equity at September 30, 2013.

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Note 11. Reclassification Adjustments Out of Other Comprehensive (Loss) Income

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

Detail About Accumulated Other Comprehensive (Loss) Income Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income
	Three months ended
	September 30, 2013			September 30, 2012
Available for sale securities:
Gains on available for sale securities	$	(329	)	$	(26	)	Net securities gains
Tax benefit		132			10		Income tax expense
Net of tax	$	(197	)	$	(16	)
Pension and other benefits:
Amortization of net gains	$	765		$	1,044		Salaries and employee benefits
Amortization of prior service costs		(56	)		(55	)	Salaries and employee benefits
Tax expense		283			390		Income tax expense
Net of tax	$	426		$	599
Total reclassifications during the period, net of tax	$	229		$	583
Detail About Accumulated Other Comprehensive (Loss) Income Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income
	Nine months ended
	September 30, 2013			September 30, 2012
Available for sale securities:
Gains on available for sale securities	$	(1,413	)	$	(578	)	Net securities gains
Tax expense		565			231		Income tax expense
Net of tax	$	(848	)	$	(347	)
Pension and other benefits:
Amortization of net gains	$	2,411		$	2,869		Salaries and employee benefits
Amortization of prior service costs		(167	)		(167	)	Salaries and employee benefits
Tax expense		890			1076		Income tax expense
Net of tax	$	1,354		$	1,626
Total reclassifications during the period, net of tax	$	506		$	1,279

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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, 2012 for an understanding of the following discussion and analysis.  Operating results for the three and nine month periods ending September 30, 2013 are not necessarily indicative of the results of the full year ending December 31, 2013 or any future period.

Forward-looking Statements

Certain statements in this filing and future filings by the Company with the Securities and Exchange Commission, in the Company’s press releases or other public or shareholder communications, 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,” “could,” 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: (1) competitive pressures among depository and other financial institutions may increase significantly; (2) revenues may be lower than expected; (3) changes in the interest rate environment may affect interest margins; (4) general economic conditions, either nationally or regionally, may be less favorable than expected, resulting in, among other things, a deterioration in credit quality and/or a reduced demand for credit; (5) legislative or regulatory changes, including changes in accounting standards or tax laws, may adversely affect the businesses in which the Company is engaged; (6) competitors may have greater financial resources and develop products that enable such competitors to compete more successfully than the Company; (7) adverse changes may occur in the securities markets or with respect to inflation; (8) acts of war or terrorism; (9) the costs and effects of litigation and of unexpected or adverse outcomes in such litigation; (10) internal control failures; (11) the successful completion and integration of acquisitions; and (12) the Company’s success in managing the risks involved in the foregoing.

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 Securities and Exchange Commission, could affect the Company’s financial performance and could cause the Company’s actual results or circumstances for future periods to differ materially from those anticipated or projected.

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

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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.

Recent Legislation

The following section should be read in conjunction with the Supervision and Regulation section of NBT’s 2012 Form 10-K.

On July 2, 2013, the Federal Reserve Board issued final rules, and on July 9, 2013, the Office of the Comptroller of the Currency issued interim final rules that revise the existing regulatory capital requirements to incorporate certain revisions to the Basel capital framework, including Basel III, and to implement certain provisions of the Dodd Frank Wall Street Reform and Consumer Protection Act (“Dodd Frank Act”). The final and interim final rules seek to strengthen the components of regulatory capital, increase risk-based capital requirements, and make selected changes to the calculation of risk-weighted assets.  The final and interim final rules, among other things:

· revise minimum capital requirements and adjust prompt corrective action thresholds;

· revise the components of regulatory capital, add a new minimum common equity Tier 1 capital ratio of 4.5% of risk-weighted assets and increase the minimum Tier 1 capital ratio requirement from 4% to 6%;

· retain the existing risk-based capital treatment for 1-4 family residential mortgage exposures;

· permit most banking organizations, including the Company, to retain, through a one-time permanent election, the existing capital treatment for accumulated other comprehensive income;

· implement a new capital conservation buffer of common equity Tier 1 capital equal to 2.5% of risk-weighted assets, which will be in addition to the 4.5% common equity Tier 1 capital ratio and be phased in over a three year period beginning January 1, 2016 which buffer is generally required to make capital distributions and pay executive bonuses;

· increase capital requirements for past-due loans, high volatility commercial real estate exposures, and certain short-term loan commitments;

· require the deduction of mortgage servicing assets and deferred tax assets that exceed 10% of common equity Tier 1 capital in each category and 15% of common equity Tier 1 capital in the aggregate; and

· remove references to credit ratings consistent with the Dodd-Frank Act and establish due diligence requirements for securitization exposures.

Under the final and interim rules, compliance is required beginning January 1, 2015, for most banking organizations including the Company, subject to a transition period for several aspects of the rule, including the new minimum capital ratio requirements, the capital conservation buffer, and the regulatory capital adjustments and deductions. We are still in the process of assessing the impacts of these complex final and interim final rules, however, we believe we will continue to exceed all estimated well-capitalized regulatory requirements on a fully phased-in basis.

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In May 2013, the Securities and Exchange Commission and the Commodity Futures Trading Commission (together, the “Commissions”) jointly issued final rules and guidelines to require certain regulated entities to establish programs to address risks of identity theft.  The rules and guidelines implement provisions of the Dodd-Frank Wall Street Reform and Consumer Protection Act.  These provisions amend Section 615(e) of the Fair Credit Reporting Act and directed the Commissions to adopt rules requiring entities that are subject to the Commissions’ jurisdiction to address identity theft in two ways.  First, the rules require financial institutions and creditors to develop and implement a written identity theft prevention program that is designed to detect, prevent, and mitigate identity theft in connection with certain existing accounts or the opening of new accounts.  The rules include guidelines to assist entities in the formulation and maintenance of programs that would satisfy the requirements of the rules.  Second, the rules establish special requirements for any credit and debit card issuers that are subject to the Commissions’ jurisdiction, to assess the validity of notifications of changes of address under certain circumstances.

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 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 the Citigroup Pension Liability Index, market interest rates and discounted cash flows in setting the appropriate discount rate. In addition, the Company reviews expected inflationary and merit increases to compensation in determining the rate of increase in future compensation levels.

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.

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.

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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, acquired loans, provision for income taxes and intangible assets are disclosed in Note 1 to the consolidated financial statements presented in our 2012 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 assets and equity, tangible common equity, net interest margin, noninterest income, operating expenses, asset quality indicators, loan and deposit growth, capital management, liquidity and interest rate sensitivity, enhancements to customer products and services, technology advancements, market share and peer comparisons.  The following information should be considered in connection with the Company's results for the first nine months of 2013:

· Reported net income for the nine months ended September 30, 2013 was $43.8 million, up from $41.4 for the same period in 2013.  Reported results for the nine months ending September 30, 2013 include the impact of the acquisition of Alliance Financial Corporation (“Alliance”) since March 8, 2013, including $12.3 million in merger related expenses for the nine months ended September 30, 2013.

· Core net income was $51.5 million for the nine months ended September 30, 2013, up 24.9% from $41.2 million for the same period in 2012. Core diluted earnings per share for the nine months ended September 30, 2013 was $1.23, equivalent to the same period in 2012.  Core annualized return on average assets and return on average equity were 0.96% and 9.20%, respectively, for the nine months ended September 30, 2013, compared with 0.95% and 9.91%, respectively, for the nine months ended September 30, 2012.  (A reconciliation of “core” is presented on the following table)

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· Net interest margin (on a fully taxable equivalent basis (“FTE”)) was 3.67% for the nine months ended September 30, 2013 as compared to 3.87% for the same period in 2012.

· Annualized loan growth for the first nine months of 2013 was 5.8%.

· Past due loans as a percentage of total loans were 0.70% at September 30, 2013 as compared to 0.71% at December 31, 2012.

· Net charge-offs, annualized, were 0.44% of average loans for the first nine months of 2013, compared to 0.55% for the year ended December 31, 2012.

The following table depicts several annualized measurements of performance using core and U.S. 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.

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	For the three months						For the nine months
(Dollars in thousands)	ended September 30,						ended September 30,
	2013			2012			2013			2012
Reconciliation of Non-GAAP Financial Measures:
Reported net income (GAAP)	$	19,257		$	14,535		$	43,822		$	41,442
Adj: Gain on sale of securities, net (net of tax)		(228	)		(18	)		(981	)		(405	)
Adj: Other adjustments (net of tax) (1)		110			239			110			(365	)
Plus: Merger related expenses (net of tax)		224			388			8,529			1,322
Reversal of uncertain tax position		-			(790	)		-			(790	)
Total Adjustments		106			(181	)		7,658			(238	)
Core net income	$	19,363		$	14,354		$	51,480		$	41,204
Weighted Average Diluted Shares		44,135,114			33,961,375			41,768,796			33,626,071
Core Diluted Earnings Per Share	$	0.44		$	0.42		$	1.23		$	1.23
Performance measures:
Core Return on Average Assets (2)		1.02	%		0.96	%		0.96	%		0.95	%
Core Return on Average Equity (2)		9.67	%		10.00	%		9.20	%		9.91	%
Core Return on Average Tangible Common Equity (2)(3)		15.95	%		14.74	%		14.75	%		14.37	%

(1) Primarily reorganization expenses for 2013; prepayment penalty income and flood insurance recoveries, partially offset by an other asset write-down for 2012

(2) Annualized

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

	For the three months				For the nine months
	ended September 30,				ended September 30,
	2013		2012		2013		2012
Average stockholders equity	$	794,273	$	570,880	$	748,277	$	555,182
Less: average goodwill and other intangibles		292,271		169,445		262,277		158,035
Average tangible common equity	$	502,002	$	401,435	$	486,000	$	397,147

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.

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Net interest income was $62.2 million for the three months ended September 30, 2013, up marginally from the prior quarter, and up $9.6 million from the third quarter of 2012 primarily due to the acquisition of Alliance.  Average interest earning assets were up $50.1 million, or 0.7%, for the third quarter of 2013 as compared to the prior quarter, driven primarily by organic loan production during the third quarter.  This increase was offset by a decrease in the yields on interest earning assets from 4.16% for the second quarter of 2013 to 4.08% for the third quarter, driven primarily by the 13 basis point (“bp”) decrease in loan yields.  Average interest bearing liabilities showed a 0.8% decrease from the second quarter of 2013 to the third quarter and rates paid on interest bearing liabilities decreased 5 bps during the same period resulting in a 7.6% decrease in interest expense from the second quarter of 2013 to the third quarter.

The Company’s Fully Tax Equivalent (“FTE”) net interest margin was 3.65% for the three months ended September 30, 2013, down from 3.69% from the prior quarter, and down from 3.90% for the third quarter of 2012.  Rate compression on earning assets continued to negatively impact net interest margin in the third quarter of 2013 as evidenced by decreasing loan yields from 4.76% for the second quarter of 2013 to 4.63% for the third quarter of 2013.  The rate compression on earning assets was partially offset by the 5 bp decrease in the rates paid on interest bearing liabilities in the third quarter of 2013 versus the prior quarter.  This decrease was primarily driven by decreases in rates paid on long-term debt as maturing higher cost borrowings were replaced with lower rate short term borrowings.

Net interest income was $176.0 million for the nine months ended September 30, 2013, up 16.0% from the same period in 2012.  This increase from the prior year was due primarily to the 22.0% increase in average earning assets for the nine months ended September 30, 2013 over the prior year.  The acquisition of Alliance in March 2013 as well as the full year impact of 2012 loan growth contributed to the growth in average earning assets.  The increase in net interest income was also attributable to the $3.3 million decrease in interest expense due to the 24 bp decrease in rates paid on interest bearing liabilities, partly offset by a 19.7% increase in the average balance of interest bearing liabilities.  The ratio of average core deposits in 2013 (noninterest bearing demand deposits, money market, savings and NOW account) increased to 80.8% of total deposits compared to 78.5% in 2012.

The Company’s FTE net interest margin was 3.67% for the nine months ended September 30, 2013, down from 3.87% for the same period last year.  Rate compression on earning assets continued to negatively impact net interest margin for the first nine months of 2013 as evidenced by decreasing loan yields from 5.21% for the first nine months of 2012 to 4.75% for the first nine months of 2013.  In addition, yields on available for sale securities declined 49 bps in the first nine months of 2013 as compared to the same period in 2012.  The rate compression on earning assets was partially offset by the 24 bp decrease in the rates paid on interest bearing liabilities in the first nine months of 2013 as compared to the same period in 2012.

47

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,
			2013							2012
	Average				Yield/			Average				Yield/
(dollars in thousands)	Balance		Interest		Rates			Balance		Interest		Rates
ASSETS
Short-term interest bearing accounts	$	1,955	$	9		1.73	%	$	10,392	$	11		0.43	%
Securities available for sale (1)(2)		1,387,714		6,994		2.00	%		1,168,326		7,023		2.39	%
Securities held to maturity (1)		118,781		1,059		3.54	%		62,746		861		5.46	%
Investment in FRB and FHLB Banks		43,895		465		4.20	%		28,706		337		4.67	%
Loans (3)		5,309,446		62,008		4.63	%		4,197,046		54,046		5.12	%
Total interest earning assets	$	6,861,791	$	70,535		4.08	%	$	5,467,216	$	62,278		4.53	%
Other assets		671,482							504,194
Total assets	$	7,533,273						$	5,971,410
LIABILITIES AND STOCKHOLDERS' EQUITY
Money market deposit accounts	$	1,360,067	$	528		0.15	%	$	1,111,624	$	495		0.18	%
NOW deposit accounts		877,387		285		0.13	%		686,768		377		0.22	%
Savings deposits		984,093		227		0.09	%		706,927		149		0.08	%
Time deposits		1,081,549		2,959		1.09	%		1,035,868		3,523		1.35	%
Total interest bearing deposits	$	4,303,096	$	3,999		0.37	%	$	3,541,187	$	4,544		0.51	%
Short-term borrowings		383,238		232		0.24	%		178,277		60		0.13	%
Trust preferred debentures		101,196		551		2.16	%		75,422		436		2.30	%
Long-term debt		309,069		2,561		3.29	%		367,146		3,640		3.94	%
Total interest bearing liabilities	$	5,096,599	$	7,343		0.57	%	$	4,162,032	$	8,680		0.83	%
Demand deposits		1,559,506							1,173,638
Other liabilities		82,896							64,860
Stockholders' equity		794,272							570,880
Total liabilities and stockholders' equity	$	7,533,273						$	5,971,410
Net interest income (FTE)				63,192							53,598
Interest rate spread						3.51	%						3.70	%
Net interest margin						3.65	%						3.90	%
Taxable equivalent adjustment				966							991
Net interest income			$	62,226						$	52,607

(1) Securities are shown at average amortized cost

(2) Excluding unrealized gains or losses

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

48

Nine Months ended September 30,
			2013							2012
	Average				Yield/			Average				Yield/
(dollars in thousands)	Balance		Interest		Rates			Balance		Interest		Rates
ASSETS
Short-term interest bearing accounts	$	39,191	$	107		0.36	%	$	64,040	$	131		0.27	%
Securities available for sale (1)(2)		1,338,637		20,207		2.02	%		1,196,389		22,483		2.51	%
Securities held to maturity (1)		78,291		2,665		4.55	%		67,237		2,757		5.48	%
Investment in FRB and FHLB Banks		36,947		1,261		4.56	%		27,874		1,022		4.90	%
Loans (3)		5,018,022		178,177		4.75	%		3,982,486		155,230		5.21	%
Total interest earning assets	$	6,511,088	$	202,417		4.16	%	$	5,338,026	$	181,623		4.54	%
Other assets		644,332							476,575
Total assets	$	7,155,420						$	5,814,601
LIABILITIES AND STOCKHOLDERS' EQUITY
Money market deposit accounts	$	1,318,304	$	1,462		0.15	%	$	1,105,616	$	1,646		0.20	%
NOW deposit accounts		868,167		1,174		0.18	%		695,502		1,387		0.27	%
Savings deposits		914,255		581		0.08	%		675,346		391		0.08	%
Time deposits		1,078,165		9,228		1.14	%		988,596		11,097		1.50	%
Total interest bearing deposits	$	4,178,891	$	12,445		0.40	%	$	3,465,060	$	14,521		0.56	%
Short-term borrowings		261,428		341		0.17	%		170,903		149		0.12	%
Trust preferred debentures		94,965		1,539		2.17	%		75,422		1,319		2.34	%
Long-term debt		348,715		9,196		3.53	%		368,592		10,801		3.91	%
Total interest bearing liabilities	$	4,883,999	$	23,521		0.64	%	$	4,079,977	$	26,790		0.88	%
Demand deposits		1,446,802							1,116,210
Other liabilities		76,342							63,232
Stockholders' equity		748,277							555,182
Total liabilities and stockholders' equity	$	7,155,420						$	5,814,601
Net interest income (FTE)				178,896							154,833
Interest rate spread						3.52	%						3.66	%
Net interest margin						3.67	%						3.87	%
Taxable equivalent adjustment				2,875							3,083
Net interest income			$	176,021						$	151,750

(1) Securities are shown at average amortized cost

(2) Excluding unrealized gains or losses

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

49

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)
	2013 over 2012
(in thousands)	Volume			Rate			Total
Short-term interest bearing accounts	$	(58	)	$	56		$	(2	)
Securities available for sale		4,874			(4,903	)		(29	)
Securities held to maturity		1,872			(1,674	)		198
Investment in FRB and FHLB Banks		333			(205	)		128
Loans		36,047			(28,085	)		7,962
Total interest income		43,068			(34,811	)		8,257
Money market deposit accounts		345			(312	)		33
NOW deposit accounts		459			(551	)		(92	)
Savings deposits		63			15			78
Time deposits		908			(1,472	)		(564	)
Short-term borrowings		102			70			172
Trust preferred debentures		276			(161	)		115
Long-term debt		(526	)		(553	)		(1,079	)
Total interest expense		1,627			(2,964	)		(1,337	)
Change in FTE net interest income	$	41,441		$	(31,847	)	$	9,594
Nine months ended September 30,
	Increase (Decrease)
	2013 over 2012
(in thousands)	Volume			Rate			Total
Short-term interest bearing accounts	$	(76	)	$	52		$	(24	)
Securities available for sale		3,586			(5,862	)		(2,276	)
Securities held to maturity		569			(661	)		(92	)
Investment in FRB and FHLB Banks		352			(113	)		239
Loans		44,448			(21,501	)		22,947
Total interest income		48,879			(28,085	)		20,794
Money market deposit accounts		402			(586	)		(184	)
NOW deposit accounts		426			(639	)		(213	)
Savings deposits		149			41			190
Time deposits		1,426			(3,295	)		(1,869	)
Short-term borrowings		99			93			192
Trust preferred debentures		371			(151	)		220
Long-term debt		(565	)		(1,040	)		(1,605	)
Total interest expense		2,308			(5,577	)		(3,269	)
Change in FTE net interest income	$	46,571		$	(22,508	)	$	24,063

50

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,
	2013		2012		2013		2012
(in thousands)
Insurance and other financial services revenue	$	6,038	$	5,591	$	18,686	$	17,024
Service charges on deposit accounts		5,055		4,626		14,311		13,538
ATM and debit card fees		4,276		3,378		11,562		9,403
Retirement plan administration fees		3,062		2,718		8,701		7,462
Trust		4,345		2,242		11,957		6,683
Bank owned life insurance		913		639		2,648		2,228
Net securities gains		329		26		1,413		578
Other		3,129		2,407		8,635		8,449
Total noninterest income	$	27,147	$	21,627	$	77,913	$	65,365

Noninterest income for the three months ended September 30, 2013 was $27.1 million, up 25.5% from the third quarter of 2012 due primarily to the acquisition of Alliance, which drove increases in most categories.

Noninterest income for the nine months ended September 30, 2013 was $77.9 million, up 19.2% from the same period in 2012, with the primary drivers being increases in trust revenue and ATM and debit card fees driven primarily by the acquisition of Alliance.  In addition, the Company experienced a 9.8% increase in insurance and other financial services revenue for the nine months ended September 30, 2013 as compared to the same period in 2012, due primarily to an increase in financial services revenue from the Alliance acquisition as well as an increase in insurance contingent revenue in 2013.  Retirement plan administration fees were also up 16.6% for the nine months ended September 30, 2013 as compared to the same period in 2012 primarily due to growth in new business in 2013.

51

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,
	2013		2012		2013		2012
(in thousands)
Salaries and employee benefits	$	29,267	$	26,641	$	85,474	$	78,358
Occupancy		5,262		4,437		15,458		13,150
Data processing and communications		4,059		3,352		11,368		10,041
Professional fees and outside services		3,202		2,735		9,340		7,848
Equipment		2,988		2,435		8,480		7,224
Office supplies and postage		1,640		1,597		4,886		4,842
FDIC expenses		1,285		939		3,688		2,812
Advertising		722		701		2,445		2,308
Amortization of intangible assets		1,346		870		3,548		2,530
Loan collection and other real estate owned		886		614		2,025		2,051
Merger		326		558		12,276		1,895
Other		5,303		4,552		14,453		12,236
Total noninterest expense	$	56,286	$	49,431	$	173,441	$	145,295

Noninterest expense for the three months ended September 30, 2013 was $56.3 million, up 13.9% from the third quarter of 2012 primarily due to the acquisition of Alliance, which affected most categories.

Noninterest expense for the nine months ended September 30, 2013 was $173.4 million, up $28.1 million or 19.4%, from the same period in 2012.  Excluding merger expenses totaling $12.3 million and $1.9 million for the nine months ended September 30, 2013 and 2012, respectively, noninterest expense was up $17.8 million, or 12.4%, for the first nine months of 2013 as compared to the same period in 2012.  Several noninterest expense categories were affected by the acquisition of Alliance in March 2013 and the full year impact of the 2012 acquisition of Hampshire First Bank with salaries and employee benefits and occupancy expenses being the primary drivers of the increase over last year.

Income Taxes

Income tax expense for the three month period ended September 30, 2013 was $8.6 million, up from $7.4 million from the prior quarter, and up from $5.5 million for the third quarter of 2012.  The increase from previous quarters is due primarily to the increase in pre-tax income during the third quarter.  The effective tax rate was 31.0% for the third quarter and 30.5% for the second quarter of 2013.

Income tax expense for the nine months ended September 30, 2013 was $19.4 million, up from $17.0 million from the same period in 2012 due primarily to the increase in pre-tax income for the first nine months of 2013 and an increase in the effective tax rate to 30.7% for the nine months ended September 30, 2013 as compared with 29.1% for the same period last year.

52

ANALYSIS OF FINANCIAL CONDITION

Securities

Average total earning securities increased $275.4 million, or 22.4%, for the three months ended September 30, 2013 when compared to the same period in 2012.  This increase resulted primarily from the Alliance acquisition.  The average total securities portfolio represents 22.0% of total average earning assets for the three months ended September 30, 2013, down from 22.5% for the same period in 2012.

Average total earning securities increased $153.3 million, or 12.1%, for the nine months ended September 30, 2013 when compared to the same period in 2012.  This increase resulted primarily from the acquisition of Alliance, partly offset by the scheduled run-off of municipal securities in the held to maturity portfolio.  The average total securities portfolio represents 21.8% of total average earning assets for the nine months ended September 30, 2013, down from 23.7% for the same period in 2012.

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

	September 30, 2013			December 31, 2012
Mortgage-backed securities:
With maturities 15 years or less		21	%		18	%
With maturities greater than 15 years		1	%		2	%
Collateral mortgage obligations		41	%		36	%
Municipal securities		11	%		12	%
US agency notes		22	%		28	%
Other		4	%		4	%
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.

Loans

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

(In thousands)	September 30, 2013		December 31, 2012
Residential real estate mortgages	$	1,028,158	$	651,107
Commercial		849,095		694,799
Commercial real estate mortgages		1,302,978		1,072,807
Real estate construction and development		116,662		123,078
Agricultural and agricultural real estate mortgages		110,113		112,687
Consumer		1,327,203		1,047,856
Home equity		633,022		575,282
Total loans	$	5,367,231	$	4,277,616

53

Total loans increased by $1.1 billion, or 25.5%, at September 30, 2013 from December 31, 2012, and represent approximately 70.0% of assets, as compared to 70.8% of total assets at December 31, 2012.  The increase in total loans is primarily due to the loans acquired in the Alliance acquisition combined with approximately 5.8% annualized organic growth 2013.  The following table summarizes the Alliance acquired loan balances at fair value of as of March 8, 2013 (in thousands):

	Acquired
	Balances
Residential real estate mortgages	$	333,105
Commercial		179,672
Commercial real estate mortgages		117,752
Consumer		200,470
Home equity		73,474
Total loans	$	904,473

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 risk of probable 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 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 homogeneous pools of loans, estimates of the Company’s exposure to credit loss reflect a thorough current assessment of a number of factors, which could 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.

54

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

Allowance For Loan Losses
	Three months ended
(dollars in thousands)	September 30, 2013					September 30, 2012
Balance, beginning of period	$	71,184				$	70,734
Recoveries		1,411					1,075
Chargeoffs		(7,609	)				(5,830	)
Net chargeoffs		(6,198	)				(4,755	)
Provision for loan losses		5,198					4,755
Balance, end of period	$	70,184				$	70,734
Composition of Net Chargeoffs
Commercial and agricultural	$	(2,887	)	47	%	$	(1,412	)	30	%
Real estate mortgage		(298	)	5	%		(471	)	10	%
Consumer		(3,013	)	48	%		(2,872	)	60	%
Net chargeoffs	$	(6,198	)	100	%	$	(4,755	)	100	%
Annualized net chargeoffs to average loans		0.46	%				0.45	%
Allowance For Loan Losses
	Nine months ended
(dollars in thousands)	September 30, 2013					September 30, 2012
Balance, beginning of period	$	69,334				$	71,334
Recoveries		4,070					3,123
Chargeoffs		(20,478	)				(17,052	)
Net chargeoffs		(16,408	)				(13,929	)
Provision for loan losses		17,258					13,329
Balance, end of period	$	70,184				$	70,734
Composition of Net Chargeoffs
Commercial and agricultural	$	(6,524	)	40	%	$	(3,505	)	25	%
Real estate mortgage		(1,168	)	7	%		(1,105	)	8	%
Consumer		(8,716	)	53	%		(9,319	)	67	%
Net chargeoffs	$	(16,408	)	100	%	$	(13,929	)	100	%
Annualized net chargeoffs to average loans		0.44	%				0.47	%

Net charge-offs were $6.2 million for the three months ended September 30, 2013, up from $4.0 million for the prior quarter, due primarily to the third quarter charge-off of one commercial real estate loan that was provided for in the prior quarter.  The Company recorded a provision for loan losses of $5.2 million for the three months ended September 30, 2013, compared with $4.8 million for the third quarter of 2012.

55

Net charge-offs were $16.4 million for the nine months ended September 30, 2013, up from $13.9 million from the same period in 2012 due primarily to two commercial loan charge-offs in 2013 totaling $3.7 million, of which $2.2 million was previously provided for in 2012 for one of the commercial credits.  Annualized net charge-offs to average loans for the nine months ended September 30, 2013 was 0.44%, compared to 0.47% for the same period last year.  The Company recorded a provision for loan losses of $17.3 million for the nine months ended September 30, 2013, compared with $13.3 million for the same period in 2012.  This increase was due primarily to organic loan growth during the period and a higher level of charge-offs in 2013.

The allowance for loan losses totaled $70.2 million at September 30, 2013, compared to $69.3 million at December 31, 2012.  The allowance for loan losses as a percentage of loans was 1.31% (1.60% excluding acquired loans with no related allowance recorded) at September 30, 2013, compared to 1.62% (1.72% excluding acquired loans with no related allowance recorded) at December 31, 2012.

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.

Nonperforming Assets
	September 30,						December 31,
(Dollars in thousands)	2013						2012
Nonaccrual loans	Amount			%			Amount			%
Commercial and agricultural loans and real estate	$	17,672			43	%	$	20,923			53	%
Real estate mortgages		9,645			23	%		8,083			20	%
Consumer		7,032			17	%		8,440			21	%
Troubled debt restructured loans		7,069			17	%		2,230			6	%
Total nonaccrual loans		41,418			100	%		39,676			100	%
Loans 90 days or more past due and still accruing
Commercial and agricultural loans and  real estate		-			0	%		148			6	%
Real estate mortgages		994			30	%		330			13	%
Consumer		2,292			70	%		1,970			81	%
Total loans 90 days or more past due and still accruing		3,286			100	%		2,448			100	%
Total nonperforming loans		44,704						42,124
Other real estate owned (OREO)		3,626						2,276
Total nonperforming assets		48,330						44,400
Total nonperforming loans to total loans		0.83	%					0.98	%
Total nonperforming assets to total assets		0.63	%					0.73	%
Allowance for loan losses to total nonperforming loans		157.00	%					164.60	%

Past due loans as a percentage of total loans was 0.70% at September 30, 2013, down from 0.71% at December 31, 2012.  In addition to nonperforming loans, the Company has also identified approximately $100.3 million in potential problem loans at September 30, 2013 as compared to $79.6 million at December 31, 2012.  The increase is primarily due to the acquired loans of Alliance that were classified as well as the downgrade of one commercial loan relationship in the third quarter of 2013.  At September 30, 2013, 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 serious 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.

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Subprime mortgage lending, which has been the riskiest sector of the residential housing market, is not a market that the Company has ever actively pursued.  The market does not apply a uniform definition of what constitutes “subprime” lending.  Our reference to subprime lending relies upon the “Statement on Subprime Mortgage Lending” issued by the Office of Thrift Supervision and the other federal bank regulatory agencies, or the Agencies, on September 29, 2007, which further referenced the “Expanded Guidance for Subprime Lending Programs,” or the Expanded Guidance, issued by the Agencies by press release dated January 31, 2001.  In the Expanded Guidance, the Agencies indicated that subprime lending does not refer to individual subprime loans originated and managed, in the ordinary course of business, as exceptions to prime risk selection standards.  The Agencies recognize that many prime loan portfolios will contain such accounts.  The Agencies also excluded prime loans that develop credit problems after acquisition and community development loans from the subprime arena.  According to the Expanded Guidance, subprime loans are other loans to borrowers which display one or more characteristics of reduced payment capacity.  Five specific criteria, which are not intended to be exhaustive and are not meant to define specific parameters for all subprime borrowers and may not match all markets or institutions’ specific subprime definitions, are set forth, including having a FICO score of 660 or below.  Based upon the definition and exclusions described above, management believes that the Company is a prime lender.  Within the loan portfolio, there are loans that, at the time of origination, had FICO scores of 660 or below.  However, since the Company is a portfolio lender, it reviews all data contained in borrower credit reports and does not base underwriting decisions solely on FICO scores.  We believe the aforementioned loans, when made, were amply collateralized and otherwise conformed to our prime lending standards.  The Company has not originated Alt A loans or no interest loans.

Deposits

Total deposits were $6.0 billion at September 30, 2013, up $1.2 billion, or 25.5%, from December 31, 2012, due primarily to the acquisition of Alliance on March 8, 2013.

The following table summarizes the Alliance acquired deposit balances at fair value of as of March 8, 2013 (in thousands):

	Acquired
	Balances
Noninterest bearing demand	$	222,843
Savings, NOW and money market		660,412
Time		230,165
Total	$	1,113,420

Total average deposits for the three months ended September 30, 2013 increased $1.1 billion, or 24.3%, from the same period in 2012, due primarily to the acquisition of Alliance.  Average savings accounts increased to $984.1 million for the third quarter of 2013 from $706.9 million for the same period in 2012.  Average time deposits increased $45.7 million, or 4.4%, for the three months ended September 30, 2013 from the same period in 2012.  Average demand deposit (noninterest bearing) accounts increased $385.9 million, or 32.9%, for the three months ended September 30, 2013 as compared to the same period in 2012.

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Total average deposits for the nine months ended September 30, 2013 increased $1.0 billion, or 22.8%, from the same period in 2012, due primarily to the acquisitions of Hampshire First Bank and Alliance.  Average savings accounts increased to $914.3 million for the first nine months of 2013 from $675.3 million for the same period in 2012.  Average time deposits increased $89.6 million, or 9.1%, for the nine months ended September 30, 2013 from the same period in 2012.  Average demand deposit (noninterest bearing) accounts increased $330.6 million, or 29.6%, for the nine months ended September 30, 2013 as compared to the same period in 2012.

Borrowed Funds

The Company's borrowed funds consist of short-term borrowings and long-term debt. Short-term borrowings totaled $373.2 million at September 30, 2013 compared to $162.9 million at December 31, 2012.   Long-term debt was $309.0 million at September 30, 2013, as compared to $367.5 million at December 31, 2012.  The Company assumed $21.6 million in short-term customer sweep accounts and $100.0 million in long-term FHLB advances from Alliance on March 8, 2013. The Company paid down $40.0 million of the long-term FHLB advances assumed from Alliance prior to the end of the first quarter and $119.0 million of long-term borrowings matured in the second quarter of 2013, resulting in the net decrease in long-term borrowed funds compared to year-end.  Long term borrowings were replaced with short-term borrowings in the third quarter, resulting in the net increase in short-term borrowed funds compared to year-end. For more information about the Company’s borrowing capacity and liquidity position, see “Liquidity Risk” below.

Capital Resources

Stockholders' equity of $795.6 million represented 10.37% of total assets at September 30, 2013, compared with $582.3 million, or 9.64% as of December 31, 2012.  The Company issued 10.3 million shares at a value of $226 million for the acquisition of Alliance on March 8, 2013. The Company held a 0.8% equity interest in Alliance prior to acquisition with an acquisition date fair value of $1.9 million.  The Company realized a $1.0 million gain as a result of measuring the equity interest to fair value in accordance with step acquisition accounting.

Under a previously disclosed stock repurchase plan, the Company purchased 584,925 shares of its common stock during the nine month period ended September 30, 2013, for a total of $12.5 million at an average price of $21.30 per share.  At September 30, 2013, there were 163,088 shares available for repurchase under this plan, which expires on December 31, 2013.  On July 22, 2013, the NBT Board of Directors authorized a new repurchase program for NBT to repurchase up to an additional 1,000,000 shares of its outstanding common stock.  This plan expires on December 31, 2014.

The Board of Directors considers the Company's earnings position and earnings potential when making dividend decisions.  The Board of Directors declared a 2013 fourth-quarter cash dividend of $0.21 per share at a meeting held October 28, 2013.  This marks a 5% increase from the prior quarter dividend.  The dividend will be paid on December 15, 2013 to shareholders of record as of December 1, 2013.  The Company does not have a target dividend pay-out ratio.

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As the capital ratios in the following table indicate, the Company remained “well capitalized” at September 30, 2013 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. Tier 1 leverage, Tier 1 capital and Total risk-based capital ratios have regulatory minimum guidelines of 3%, 4% and 8% respectively, with requirements to be considered well capitalized of 5%, 6% and 10%, respectively.

Capital Measurements	September 30, 2013			December 31, 2012
Tier 1 leverage ratio		8.79	%		8.54	%
Tier 1 capital ratio		11.46	%		11.00	%
Total risk-based capital ratio		12.71	%		12.25	%
Cash dividends as a percentage of net income		55.53	%		48.96	%
Per common share:
Book value	$	18.38		$	17.24
Tangible book value (1)	$	11.64		$	12.23

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

On July 2, 2013, the Federal Reserve Board issued final rules and on July 9, 2013, the Office of the Comptroller of the Currency issued interim final rules to revise the existing regulatory capital requirements to incorporate certain revisions to the Basel capital framework, including Basel III, and to implement certain provisions of the Dodd-Frank Act.  Among other things, the final and interim final rules change how banks and their holding companies calculate their regulatory capital requirements by increasing the minimum levels of required capital, narrowing the definition of capital and placing greater emphasis on common equity.  Under the final and interim rules, compliance is required beginning January 1, 2015, for most banking organizations including the Company, subject to a transition period for several aspects of the rule, including the new minimum capital ratio requirements, the capital conservation buffer, and the regulatory capital adjustments and deductions.  The Company is still in the process of assessing the impacts of these rules, however, we believe we will continue to exceed all estimated well capitalized regulatory requirements on a fully phased-in basis.

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.

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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.

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, 2013 balance sheet position:

Interest Rate Sensitivity Analysis
Change in interest rates	Percent change in
(in bp points)	net interest income
+200	(3.33%)
-100	(1.60%)

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Liquidity Risk

Liquidity involves the ability to meet the cash flow requirements of customers who may be depositors wanting to withdraw funds or borrowers needing assurance that sufficient funds will be available to meet their credit needs. 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, 2013, the Company’s Basic Surplus measurement was 8.9% of total assets or approximately $678 million as compared to the December 31, 2012 Basic Surplus of 9.0% or $540 million, and was above the Company’s minimum of 5% or $383 million set forth in its liquidity policies.

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, 2013, approximately $39.4 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, 2013 and December 31, 2012, FHLB advances outstanding totaled approximately $501 million and $339 million, respectively.  The Bank is a member of the FHLB system and had additional borrowing capacity from the FHLB of approximately $600 million at September 30, 2013 and $418 million at December 31, 2012.  In addition, unpledged securities could have been used to increase borrowing capacity at the FHLB by an additional $327 million at September 30, 2013, or used to collateralize other borrowings, such as repurchase agreements.  At September 30, 2013 the Bank also had additional borrowing capacity from unused collateral at the Federal Reserve of $707 million.

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Recent Accounting Pronouncements

Accounting Standards Update (“ASU”) 2011-11, “Balance Sheet” (Topic 210) - Disclosures about Offsetting Assets and Liabilities” amends Topic 210, “Balance Sheet,” to require an entity to disclose both gross and net information about financial instruments, such as sales and repurchase agreements and reverse sale and repurchase agreements and securities borrowing/lending arrangements, and derivative instruments that are eligible for offset in the statement of financial position and/or subject to a master netting arrangement or similar agreement. In October 2012, the FASB limited the scope to derivatives, repurchase and reverse purchase agreements, and securities borrowing and lending agreements subject to master netting arrangements or similar agreements. ASU 2011-11 was effective for annual and interim periods beginning on January 1, 2013, and did not have a significant impact on the Company’s financial statements.

ASU 2012-02 “Intangibles – Goodwill and Other (Topic 350) – Testing Indefinite-Lived Intangible Assets for Impairment” gives entities the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that an indefinite-lived intangible asset is impaired. If, after assessing the totality of events or circumstances, an entity determines it is more likely than not that an indefinite-lived intangible asset is impaired, then the entity must perform the quantitative impairment test. If, under the quantitative impairment test, the carrying amount of the intangible asset exceeds its fair value, an entity should recognize an impairment loss in the amount of that excess. Permitting an entity to assess qualitative factors when testing indefinite-lived intangible assets for impairment results in guidance that is similar to the goodwill impairment testing guidance in ASU 2011-08. ASU 2012-02 was effective for the Company beginning January 1, 2013 (early adoption permitted) and did not have an impact on the Company’s financial statements.

ASU 2013-01 “Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities” was issued in January 2013 and clarifies that the scope of ASU 2011-11 would apply to derivatives including bifurcated embedded derivatives, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending transactions that are either offset in accordance with Section 210-20-45 or Section 815-10-45 or are subject to a master netting arrangement or similar agreement. ASU 2013-01 was effective for annual and interim periods beginning on January 1, 2013, and did not have a significant impact on the Company’s financial statements.

ASU 2013-02 “Reporting of Amounts Reclassified Out of Other Comprehensive Income” was issued in February 2013 and amends, supersedes and replaces the presentation requirements for reclassifications out of accumulated other comprehensive income in ASUs 2011-05 (issued in June 2011) and 2011-12 (issued in December 2011) for all public and private organizations. The amendments require an entity to provide additional information about reclassifications out of accumulated other comprehensive income. ASU 2013-02 was effective for the Company beginning January 1, 2013 and did not have a significant impact on the Company’s financial statements.

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, 2013, 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.

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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 2012 Annual Report on Form 10-K.

Item 1A – RISK FACTORS

There are no material changes to the risk factors as previously discussed in Item 1A, to Part 1 of our 2012 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 (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, 2013:

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)
7/1/13 - 7/31/13		-	$	-		-		1,480,588
8/1/13 - 8/31/13		35,400		21.70		35,400		1,445,188
9/1/13 - 9/30/13		282,100		22.09		282,100		1,163,088
Total		317,500	$	22.04		317,500		1,163,088

(1) On October 24, 2011, the NBT Board of Directors authorized a repurchase program for NBT to repurchase up to 1,000,000 shares of its outstanding common stock.  Under this stock repurchase plan, the Company purchased 584,925 shares of its common stock during the nine month period ended September 30, 2013, for a total of $12.5 million at an average price of $21.30 per share.  At September 30, 2013, there were 163,088 shares available for repurchase under this plan, which expires on December 31, 2013.  On July 22, 2013, the NBT Board of Directors authorized a new repurchase program for NBT to repurchase up to an additional 1,000,000 shares of its outstanding common stock.  This plan expires on December 31, 2014.

Item 3 – DEFAULTS UPON SENIOR SECURITIES

None

Item 4 – MINE SAFETY DISCLOSURES

None

Item 5 – OTHER INFORMATION

None

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Item 6 – EXHIBITS

3.1   Certificate of Incorporation of NBT Bancorp Inc. as amended through May 2, 2012 (filed as Exhibit 3.1 to the Registrant's Form 10-Q for the quarter ended September 30, 2012, filed on November 9, 2012 and incorporated herein by reference).

3.2   Amended and Restated By-laws of NBT Bancorp Inc., effective May 7, 2013 (filed as Exhibit 3.1 to the Registrant's Form 8-K, filed on May 7, 2013 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).

4.2   Rights Agreement, dated as of November 15, 2004, between NBT Bancorp Inc. and Registrar and Transfer Company, as Rights Agent (filed as Exhibit 4.1 to the Registrant's Form 8-K, file number 0-14703, filed on November 18, 2004, and incorporated by reference herein).

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.

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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 12th day of November 2013.

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

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EXHIBIT INDEX

3.1   Certificate of Incorporation of NBT Bancorp Inc. as amended through May 2, 2012 (filed as Exhibit 3.1 to the Registrant's Form 10-Q for the quarter ended September 30, 2012, filed on November 9, 2012 and incorporated herein by reference).

3.2   Amended and Restated By-laws of NBT Bancorp Inc., effective May 7, 2013 (filed as Exhibit 3.1 to the Registrant's Form 8-K, filed on May 7, 2013 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).

4.2   Rights Agreement, dated as of November 15, 2004, between NBT Bancorp Inc. and Registrar and Transfer Company, as Rights Agent (filed as Exhibit 4.1 to the Registrant's Form 8-K, file number 0-14703, filed on November 18, 2004, and incorporated by reference herein).

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.

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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 12, 2013
By:	/s/ 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 12, 2013
By:	/s/ 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, 2013, 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 12, 2013

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, 2013,  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 12, 2013

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.

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Junior Subordinated Debt

9 Months Ended

Sep. 30, 2013

Junior Subordinated Debt [Abstract]

Junior Subordinated Debt

Note 8. Junior Subordinated Debt

The Company sponsors five business trusts, CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II.  The trusts were formed for the purpose of issuing company-obligated mandatorily redeemable preferred securities to third-party investors and investing in the proceeds from the sale of such preferred securities solely in junior subordinated debt securities of the Company.  The debentures held by each trust are the sole assets of that trust.  These five statutory business trusts are collectively referred herein to as “the Trusts.”  The Company guarantees, on a limited basis, payments of distributions on the trust preferred securities and payments on redemption of the trust preferred securities.  The Trusts are variable interest entities (“VIEs”) for which the Company is not the primary beneficiary, as defined by U.S. GAAP.  In accordance with U.S. GAAP, the accounts of the Trusts are not included in the Company’s consolidated financial statements.

As of September 30, 2013, the Trusts had the following issues of trust preferred debentures, all held by the Trusts, outstanding (dollars in thousands):

Description	Issuance Date	Trust Preferred Securities Outstanding		Interest Rate	Trust Preferred Debt Owed To Trust		Final Maturity Date
CNBF Capital Trust I	August-99	$	18,000	3-month LIBOR plus 2.75%	$	18,720	August-29
NBT Statutory Trust I	November-05		5,000	3-month LIBOR plus 1.40%		5,155	December-35
NBT Statutory Trust II	February-06		50,000	3-month LIBOR plus 1.40%		51,547	March-36
Alliance Financial Capital Trust I	December-03		10,000	3-month LIBOR plus 2.85%		10,310	January-34
Alliance Financial Capital Trust II	September-06		15,000	3-month LIBOR plus 1.65%		15,464	September-36

The Company owns all of the common stock of the Trusts, which have issued trust preferred securities in conjunction with the Company issuing trust preferred debentures to the Trusts. The terms of the trust preferred debentures are substantially the same as the terms of the trust preferred securities.

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Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest, fee, and dividend income
Interest and fees on loans	$ 61,773	$ 53,817	$ 177,499	$ 154,534
Securities available for sale	6,520	6,550	18,803	21,024
Securities held to maturity	804	572	1,877	1,829
Other	472	348	1,363	1,153
Total interest, fee, and dividend income	69,569	61,287	199,542	178,540
Interest expense
Deposits	3,999	4,544	12,445	14,521
Short-term borrowings	232	60	341	149
Long-term debt	2,561	3,640	9,196	10,801
Trust preferred debentures	551	436	1,539	1,319
Total interest expense	7,343	8,680	23,521	26,790
Net interest income	62,226	52,607	176,021	151,750
Provision for loan losses	5,198	4,755	17,258	13,329
Net interest income after provision for loan losses	57,028	47,852	158,763	138,421
Noninterest income
Insurance and other financial services revenue	6,038	5,591	18,686	17,024
Service charges on deposit accounts	5,055	4,626	14,311	13,538
ATM and debit card fees	4,276	3,378	11,562	9,403
Retirement plan administration fees	3,062	2,718	8,701	7,462
Trust	4,345	2,242	11,957	6,683
Bank owned life insurance	913	639	2,648	2,228
Net securities gains	329	26	1,413	578
Other	3,129	2,407	8,635	8,449
Total noninterest income	27,147	21,627	77,913	65,365
Noninterest expense
Salaries and employee benefits	29,267	26,641	85,474	78,358
Occupancy	5,262	4,437	15,458	13,150
Data processing and communications	4,059	3,352	11,368	10,041
Professional fees and outside services	3,202	2,735	9,340	7,848
Equipment	2,988	2,435	8,480	7,224
Office supplies and postage	1,640	1,597	4,886	4,842
FDIC expenses	1,285	939	3,688	2,812
Advertising	722	701	2,445	2,308
Amortization of intangible assets	1,346	870	3,548	2,530
Loan collection and other real estate owned	886	614	2,025	2,051
Merger expenses	326	558	12,276	1,895
Other	5,303	4,552	14,453	12,236
Total noninterest expense	56,286	49,431	173,441	145,295
Income before income tax expense	27,889	20,048	63,235	58,491
Income tax expense	8,632	5,513	19,413	17,049
Net income	$ 19,257	$ 14,535	$ 43,822	$ 41,442
Earnings per share
Basic (in dollars per share)	$ 0.44	$ 0.43	$ 1.06	$ 1.24
Diluted (in dollars per share)	$ 0.44	$ 0.43	$ 1.05	$ 1.23

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Description of Business

9 Months Ended

Sep. 30, 2013

Description of Business [Abstract]

Description of Business

Note 1. Description of Business

NBT Bancorp Inc. (the “Registrant”) is a registered financial holding company incorporated in the State of Delaware in 1986, with its principal headquarters located in Norwich, New York. The Registrant is the parent holding company of NBT Bank, N.A. (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (the “Trusts”).  Through the Bank, the Company is focused on community banking operations.  Through NBT Financial, the Company operates EPIC Advisors, Inc. (“EPIC”), a retirement plan administrator.  Through NBT Holdings, the Company operates Mang Insurance Agency, LLC (“Mang”), a full-service insurance agency.  The Trusts were organized to raise additional regulatory capital and to provide funding for certain acquisitions. The Registrant’s primary business consists of providing commercial banking and financial services to customers in its market area. The principal assets of the Registrant are all of the outstanding shares of common stock of its direct subsidiaries, and its principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial, and NBT Holdings.

The Bank is a full service commercial bank formed in 1856, which provides a broad range of financial products to individuals, corporations and municipalities throughout the central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, and southern New Hampshire market areas.

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

9 Months Ended

Sep. 30, 2013

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

Fair Value of Financial Instruments, Policy [Policy Text Block]

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 price 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 consists of both internal and external support on certain Level 3 investments. Subsequent to inception, management only changes level 3 inputs and assumptions when corroborated by evidence such as transactions in similar instruments, completed or pending third-party transactions in the underlying investment or comparable entities, subsequent rounds of financing, recapitalizations and other transactions across the capital structure, offerings in the equity or debt markets, and changes in financial ratios or cash flows.

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 measurement recorded during the nine month period ended September 30, 2013 and December 31, 2012 was related to impaired loans.  The Company had collateral dependent impaired loans with a carrying value of approximately $6.2 million which had specific reserves included in the allowance for loan losses of $1.1 million at September 30, 2013.  The Company had collateral dependent impaired loans with a carrying value of approximately $8.4 million which had specific reserves included in the allowance for loan losses of $2.8 million at December 31, 2012.  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.

Trust Preferred Debentures

The fair value of trust preferred debentures has been estimated using a discounted cash flow analysis.

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Fair Values Measurements and Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2013

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

Fair Value Measurements and Fair Value of Financial Instruments

Note 9. 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 price 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 consists of both internal and external support on certain Level 3 investments. Subsequent to inception, management only changes level 3 inputs and assumptions when corroborated by evidence such as transactions in similar instruments, completed or pending third-party transactions in the underlying investment or comparable entities, subsequent rounds of financing, recapitalizations and other transactions across the capital structure, offerings in the equity or debt markets, and changes in financial ratios or cash flows.

For the nine month period ending September 30, 2013, 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, 2013:

	Quoted Prices in		Significant Other		Significant
	Active Markets for		Observable		Unobservable		Balance
	Identical Assets		Inputs		Inputs		as of
	(Level 1)		(Level 2)		(Level 3)		September 30, 2013
Assets:
Securities Available for Sale:
U.S. Treasury	$	43,804	$	-	$	-	$	43,804
Federal Agency		-		295,194		-		295,194
State & municipal		-		118,602		-		118,602
Mortgage-backed		-		335,206		-		335,206
Collateralized mortgage obligations		-		578,210		-		578,210
Other securities		9,671		5,047		-		14,718
Total Securities Available for Sale	$	53,475	$	1,332,259	$	-	$	1,385,734
Trading Securities		5,285		-		-		5,285
Interest Rate Swaps		-		1,038		-		1,038
Total	$	58,760	$	1,333,297	$	-	$	1,392,057
Liabilities:
Interest Rate Swaps	$	-	$	1,038	$	-	$	1,038
Total	$	-	$	1,038	$	-	$	1,038

December 31, 2012:

	Quoted Prices in		Significant		Significant
	Active Markets for		Other		Unobservable		Balance
	Identical Assets		Observable Inputs		Inputs		as of
	(Level 1)		(Level 2)		(Level 3)		December 31, 2012
Assets:
Securities Available for Sale:
U.S. Treasury	$	64,425	$	-	$	-	$	64,425
Federal Agency		-		282,814		-		282,814
State & municipal		-		86,802		-		86,802
Mortgage-backed		-		250,281		-		250,281
Collateralized mortgage obligations		-		449,723		-		449,723
Other securities		11,866		2,088		-		13,954
Total Securities Available for Sale	$	76,291	$	1,071,708	$	-	$	1,147,999
Trading Securities		3,918		-		-		3,918
Interest Rate Swaps		-		1,490		-		1,490
Total	$	80,209	$	1,073,198	$	-	$	1,153,407
Liabilities:
Interest Rate Swaps	$	-	$	1,490	$	-	$	1,490
Total	$	-	$	1,490	$	-	$	1,490

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 measurement recorded during the nine month period ended September 30, 2013 and December 31, 2012 was related to impaired loans.  The Company had collateral dependent impaired loans with a carrying value of approximately $6.2 million which had specific reserves included in the allowance for loan losses of $1.1 million at September 30, 2013.  The Company had collateral dependent impaired loans with a carrying value of approximately $8.4 million which had specific reserves included in the allowance for loan losses of $2.8 million at December 31, 2012.  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, 2013 and December 31, 2012.  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, 2013				December 31, 2013
(In thousands)	Fair Value Hierarchy		Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Financial assets
Securities held to maturity		2	$	118,259	$	115,620	$	60,563	$	61,535
Net loans		3		5,297,047		5,358,132		4,208,282		4,313,244
Financial liabilities
Time deposits		2	$	1,063,730	$	1,068,888	$	983,261	$	994,376
Long-term debt		2		309,009		336,128		367,492		407,404
Trust preferred debentures		2		101,196		103,364		75,422		74,147

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.

Trust Preferred Debentures

The fair value of trust preferred debentures has been estimated using a discounted cash flow analysis.

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Allowance for Loan Losses and Credit Quality of Loans, Impaired Loans (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Commercial Loans [Member] Commercial [Member]	Sep. 30, 2012 Commercial Loans [Member] Commercial [Member]	Sep. 30, 2013 Commercial Loans [Member] Commercial [Member]	Sep. 30, 2012 Commercial Loans [Member] Commercial [Member]	Sep. 30, 2013 Commercial Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2012 Commercial Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2013 Commercial Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2012 Commercial Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2013 Commercial Loans [Member] Agricultural [Member]	Sep. 30, 2012 Commercial Loans [Member] Agricultural [Member]	Sep. 30, 2013 Commercial Loans [Member] Agricultural [Member]	Sep. 30, 2012 Commercial Loans [Member] Agricultural [Member]	Sep. 30, 2013 Commercial Loans [Member] Agricultural Real Estate [Member]	Sep. 30, 2012 Commercial Loans [Member] Agricultural Real Estate [Member]	Sep. 30, 2013 Commercial Loans [Member] Agricultural Real Estate [Member]	Sep. 30, 2012 Commercial Loans [Member] Agricultural Real Estate [Member]	Sep. 30, 2013 Commercial Loans [Member] Business Banking [Member]	Sep. 30, 2012 Commercial Loans [Member] Business Banking [Member]	Sep. 30, 2013 Commercial Loans [Member] Business Banking [Member]	Sep. 30, 2012 Commercial Loans [Member] Business Banking [Member]	Sep. 30, 2013 Consumer Loans [Member] Home Equity [Member]	Sep. 30, 2012 Consumer Loans [Member] Home Equity [Member]	Sep. 30, 2013 Consumer Loans [Member] Home Equity [Member]	Sep. 30, 2012 Consumer Loans [Member] Home Equity [Member]	Sep. 30, 2013 Residential Real Estate Mortgages [Member]	Sep. 30, 2012 Residential Real Estate Mortgages [Member]	Sep. 30, 2013 Residential Real Estate Mortgages [Member]	Sep. 30, 2012 Residential Real Estate Mortgages [Member]	Sep. 30, 2013 With No Allowance Recorded [Member]	Dec. 31, 2012 With No Allowance Recorded [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Commercial Loans [Member] Commercial [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Commercial Loans [Member] Commercial [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Commercial Loans [Member] Commercial Real Estate [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Commercial Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Commercial Loans [Member] Agricultural [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Commercial Loans [Member] Agricultural [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Commercial Loans [Member] Agricultural Real Estate [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Commercial Loans [Member] Agricultural Real Estate [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Commercial Loans [Member] Business Banking [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Commercial Loans [Member] Business Banking [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Commercial Loans [Member] Total Commercial Loans [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Commercial Loans [Member] Total Commercial Loans [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Consumer Loans [Member] Home Equity [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Consumer Loans [Member] Home Equity [Member]	Sep. 30, 2013 With No Allowance Recorded [Member] Residential Real Estate Mortgages [Member]	Dec. 31, 2012 With No Allowance Recorded [Member] Residential Real Estate Mortgages [Member]	Sep. 30, 2013 With An Allowance Recorded [Member]	Dec. 31, 2012 With An Allowance Recorded [Member]	Sep. 30, 2013 With An Allowance Recorded [Member] Commercial Loans [Member]	Dec. 31, 2012 With An Allowance Recorded [Member] Commercial Loans [Member]	Sep. 30, 2013 With An Allowance Recorded [Member] Commercial Loans [Member] Commercial [Member]	Dec. 31, 2012 With An Allowance Recorded [Member] Commercial Loans [Member] Commercial [Member]	Sep. 30, 2013 With An Allowance Recorded [Member] Commercial Loans [Member] Commercial Real Estate [Member]	Dec. 31, 2012 With An Allowance Recorded [Member] Commercial Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2013 With An Allowance Recorded [Member] Commercial Loans [Member] Agricultural [Member]	Dec. 31, 2012 With An Allowance Recorded [Member] Commercial Loans [Member] Agricultural [Member]	Sep. 30, 2013 With An Allowance Recorded [Member] Commercial Loans [Member] Agricultural Real Estate [Member]	Dec. 31, 2012 With An Allowance Recorded [Member] Commercial Loans [Member] Agricultural Real Estate [Member]
Allowance for Loan Losses and Credit Quality of Loans [Abstract]
Minimum balance for classified loans to be evaluated individually for impairment	$ 500,000		$ 500,000
Financing Receivable, Impaired [Line Items]
Recorded Investment Balance (Book)																																	25,631,000	24,625,000	5,507,000	1,651,000	5,427,000	8,709,000	1,097,000	940,000	1,529,000	1,713,000	6,533,000	7,048,000	20,093,000	20,061,000	3,304,000	2,553,000	2,234,000	2,011,000	31,847,000	33,028,000	6,216,000	8,403,000	0	4,335,000	6,216,000	4,068,000	0	0	0	0
Unpaid Principal Balance (Legal)																																	29,425,000	29,119,000	5,549,000	1,710,000	5,431,000	9,553,000	1,460,000	1,286,000	1,936,000	2,026,000	8,927,000	9,579,000	23,303,000	24,154,000	3,496,000	2,657,000	2,626,000	2,308,000	37,263,000	39,148,000	7,838,000	10,029,000	0	4,340,000	7,838,000	5,689,000	0	0	0	0
Related Allowance																																																			1,100,000	2,848,000	1,100,000	2,848,000	0	2,241,000	1,100,000	607,000	0	0	0	0
Average Recorded Investment	28,233,000	22,475,000	29,540,000	23,018,000	3,348,000	1,128,000	4,069,000	1,551,000	10,751,000	7,140,000	10,660,000	6,481,000	1,526,000	2,876,000	1,100,000	2,997,000	897,000	1,876,000	1,287,000	1,926,000	6,581,000	6,572,000	7,538,000	7,151,000	3,064,000	1,828,000	2,871,000	1,869,000	2,066,000	1,055,000	2,015,000	1,043,000
Interest Income Recognized	$ 63,000	$ 54,000	$ 238,000	$ 227,000	$ 15,000	$ 32,000	$ 45,000	$ 101,000	$ 0	$ 0	$ 51,000	$ 0	$ 0	$ 4,000	$ 1,000	$ 40,000	$ 12,000	$ 12,000	$ 36,000	$ 65,000	$ 13,000	$ 0	$ 43,000	$ 0	$ 8,000	$ 5,000	$ 20,000	$ 17,000	$ 15,000	$ 1,000	$ 42,000	$ 4,000

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

9 Months Ended

Sep. 30, 2013

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

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, 2013 and 2012:

							Residential
Three months ended September 30	Commercial			Consumer			Real Estate
	Loans			Loans			Mortgages			Unallocated			Total
Balance as of June 30, 2013	$	37,704		$	26,456		$	6,806		$	218		$	71,184
Charge-offs		(3,489	)		(3,746	)		(374	)		-			(7,609	)
Recoveries		602			733			76			-			1,411
Provision		980			3,744			402			72			5,198
Ending Balance as of September 30, 2013	$	35,797		$	27,187		$	6,910		$	290		$	70,184
Balance as of June 30, 2012	$	37,495		$	27,235		$	5,943		$	61		$	70,734
Charge-offs		(1,904	)		(3,446	)		(480	)		-			(5,830	)
Recoveries		492			574			9			-			1,075
Provision		1,734			2,213			809			(1	)		4,755
Ending Balance as of September 30, 2012	$	37,817		$	26,576		$	6,281		$	60		$	70,734
							Residential
Nine months ended September 30	Commercial			Consumer			Real Estate
	Loans			Loans			Mortgages			Unallocated			Total
Balance as of December 31, 2012	$	35,624		$	27,162		$	6,252		$	296		$	69,334
Charge-offs		(8,009	)		(11,122	)		(1,347	)		-			(20,478	)
Recoveries		1,485			2,363			179			43			4,070
Provision		6,697			8,784			1,826			(49	)		17,258
Ending Balance as of September 30, 2013	$	35,797		$	27,187		$	6,910		$	290		$	70,184
Balance as of December 31, 2011	$	38,831		$	26,049		$	6,249		$	205		$	71,334
Charge-offs		(4,685	)		(11,237	)		(1,130	)		-			(17,052	)
Recoveries		1,180			1,918			25			-			3,123
Provision		2,491			9,846			1,137			(145	)		13,329
Ending Balance as of September 30, 2012	$	37,817		$	26,576		$	6,281		$	60		$	70,734

The following tables illustrate the allowance for loan losses and the recorded investment by portfolio segments as of September 30, 2013 and December 31, 2012:

Allowance for Loan Losses and Recorded Investment in Loans
(in thousands)
					Residential
	Commercial		Consumer		Real Estate
	Loans		Loans		Mortgages		Unallocated		Total
As of September 30, 2013
Allowance for loan losses	$	35,797	$	27,187	$	6,910	$	290	$	70,184
Allowance for loans individually evaluated for impairment	$	1,100	$	-	$	-			$	1,100
Allowance for loans collectively evaluated for impairment	$	34,697	$	27,187	$	6,910	$	290	$	69,084
Ending balance of loans	$	2,378,848	$	1,960,225	$	1,028,158			$	5,367,231
Ending balance of loans individually evaluated for impairment	$	15,323	$	-	$	-			$	15,323
Ending balance of acquired loans	$	432,806	$	243,469	$	325,491			$	1,001,766
Ending balance of loans collectively evaluated for impairment	$	1,930,719	$	1,716,756	$	702,667			$	4,350,142
As of December 31, 2012
Allowance for loan losses	$	35,624	$	27,162	$	6,252	$	296	$	69,334
Allowance for loans individually evaluated for impairment	$	2,848	$	-	$	-			$	2,848
Allowance for loans collectively evaluated for impairment	$	32,776	$	27,162	$	6,252	$	296	$	66,486
Ending balance of loans	$	2,003,371	$	1,623,138	$	651,107			$	4,277,616
Ending balance of loans individually evaluated for impairment	$	11,972	$	-	$	-			$	11,972
Ending balance of loans collectively evaluated for impairment	$	1,991,399	$	1,623,138	$	651,107			$	4,265,644

Past due and nonperforming loans by loan class

The following table illustrates the Company’s nonaccrual loans by loan class:

Loans on Nonaccrual Status as of:

(In thousands)	September 30, 2013		December 31, 2012
ORIGINATED
Commercial Loans
Commercial	$	4,409	$	4,985
Commercial Real Estate		8,642		7,977
Agricultural		1,076		699
Agricultural Real Estate		868		1,038
Business Banking		4,949		6,738
		19,944		21,437
Consumer Loans
Indirect		1,440		1,557
Home Equity		5,965		7,247
Direct		92		266
		7,497		9,070
Residential Real Estate Mortgages		6,666		9,169
	$	34,107	$	39,676
ACQUIRED
Commercial Loans
Commercial	$	102
Commercial Real Estate		1,329
Business Banking		1,338
		2,769
Consumer Loans
Indirect		258
Home Equity		353
Direct		71
		682
Residential Real Estate Mortgages		3,860
	$	7,311
Total nonaccrual loans	$	41,418	$	39,676

The following tables set forth information with regard to past due and nonperforming loans by loan class as of September 30, 2013 and December 31, 2012:

Age Analysis of Past Due Financing Receivables
As of September 30, 2013
(in thousands)
					Greater Than
	31-60 Days		61-90 Days		90 Days		Total						Recorded
	Past Due		Past Due		Past Due		Past Due						Total
	Accruing		Accruing		Accruing		Accruing		Non-Accrual		Current		Loans
ORIGINATED
Commercial Loans
Commercial	$	76	$	1,031	$	-	$	1,107	$	4,409	$	589,008	$	594,524
Commercial Real Estate		478		-		-		478		8,642		910,134		919,254
Agricultural		140		-		-		140		1,076		63,576		64,792
Agricultural Real Estate		-		-		-		-		868		34,071		34,939
Business Banking		1,900		675		-		2,575		4,949		325,009		332,533
		2,594		1,706		-		4,300		19,944		1,921,798		1,946,042
Consumer Loans
Indirect		10,530		2,331		1,229		14,090		1,440		1,098,286		1,113,816
Home Equity		6,513		1,648		768		8,929		5,965		527,428		542,322
Direct		625		156		107		888		92		59,638		60,618
		17,668		4,135		2,104		23,907		7,497		1,685,352		1,716,756
Residential Real Estate Mortgages		2,955		172		994		4,121		6,666		691,880		702,667
	$	23,217	$	6,013	$	3,098	$	32,328	$	34,107	$	4,299,030	$	4,365,465
ACQUIRED
Commercial Loans
Commercial	$	70	$	-	$	-	$	70	$	102	$	114,202	$	114,374
Commercial Real Estate		232		-		-		232		1,329		243,233		244,794
Business Banking		246		-		-		246		1,338		72,054		73,638
		548		-		-		548		2,769		429,489		432,806
Consumer Loans
Indirect		526		116		32		674		258		143,588		144,520
Home Equity		750		-		154		904		353		89,443		90,700
Direct		113		16		2		131		71		8,047		8,249
		1,389		132		188		1,709		682		241,078		243,469
Residential Real Estate Mortgages		2,479		317		-		2,796		3,860		318,835		325,491
	$	4,416	$	449	$	188	$	5,053	$	7,311	$	989,402	$	1,001,766
Total Loans	$	27,633	$	6,462	$	3,286	$	37,381	$	41,418	$	5,288,432	$	5,367,231

As of December 31, 2012
(in thousands)
					Greater Than
	31-60 Days		61-90 Days		90 Days		Total						Recorded
	Past Due		Past Due		Past Due		Past Due						Total
	Accruing		Accruing		Accruing		Accruing		Non-Accrual		Current		Loans
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	4,985	$	556,496	$	561,481
Commercial Real Estate		126		-		-		126		7,977		966,692		974,795
Agricultural		22		-		-		22		699		63,037		63,758
Agricultural Real Estate		108		-		103		211		1,038		36,128		37,377
Business Banking		3,019		708		45		3,772		6,738		355,450		365,960
		3,275		708		148		4,131		21,437		1,977,803		2,003,371
Consumer Loans
Indirect		10,956		2,477		1,205		14,638		1,557		964,802		980,997
Home Equity		6,065		1,223		681		7,969		7,247		560,066		575,282
Direct		717		144		84		945		266		65,648		66,859
		17,738		3,844		1,970		23,552		9,070		1,590,516		1,623,138
Residential Real Estate Mortgages		1,839		725		330		2,894		9,169		639,044		651,107
	$	22,852	$	5,277	$	2,448	$	30,577	$	39,676	$	4,207,363	$	4,277,616

Impaired loans and specific reserve allocations

The following table provides information on impaired loans and specific reserve allocations as of September 30, 2013 and December 31, 2012:

	September 30, 2013						December 31, 2012
	Recorded		Unpaid				Recorded		Unpaid
	Investment		Principal				Investment		Principal
	Balance		Balance		Related		Balance		Balance		Related
(in thousands)	(Book)		(Legal)		Allowance		(Book)		(Legal)		Allowance
With no related allowance recorded:
Commercial Loans
Commercial	$	5,507	$	5,549			$	1,651	$	1,710
Commercial Real Estate		5,427		5,431				8,709		9,553
Agricultural		1,097		1,460				940		1,286
Agricultural Real Estate		1,529		1,936				1,713		2,026
Business Banking		6,533		8,927				7,048		9,579
Total Commercial Loans		20,093		23,303				20,061		24,154
Consumer Loans
Home Equity		3,304		3,496				2,553		2,657
Residential Real Estate Mortgages		2,234		2,626				2,011		2,308
	$	25,631	$	29,425			$	24,625	$	29,119
With an allowance recorded:
Commercial Loans
Commercial	$	-	$	-	$	-	$	4,335	$	4,340	$	2,241
Commercial Real Estate		6,216		7,838		1,100		4,068		5,689		607
Agricultural		-		-		-		-		-		-
Agricultural Real Estate		-		-		-		-		-		-
		6,216		7,838		1,100		8,403		10,029		2,848
Total:	$	31,847	$	37,263	$	1,100	$	33,028	$	39,148	$	2,848

The following tables summarize the average recorded investments on impaired loans and the interest income recognized for the three and nine months ended September 30, 2013 and 2012:

	For the three months ended
	September 30, 2013				September 30, 2012
	Average		Interest		Average		Interest Income
	Recorded		Income		Recorded		Recognized
(in thousands)	Investment		Recognized		Investment		Accrual
Commercial Loans
Commercial	$	3,348	$	15	$	1,128	$	32
Commercial Real Estate		10,751		-		7,140		-
Agricultural		1,526		-		2,876		4
Agricultural Real Estate		897		12		1,876		12
Business Banking		6,581		13		6,572		-
Consumer Loans
Home Equity		3,064		8		1,828		5
Residential Real Estate Mortgages		2,066		15		1,055		1
Total:	$	28,233	$	63	$	22,475	$	54
	For the nine months ended
	September 30, 2013				September 30, 2012
	Average		Interest		Average		Interest Income
	Recorded		Income		Recorded		Recognized
(in thousands)	Investment		Recognized		Investment		Accrual
Commercial Loans
Commercial	$	4,069	$	45	$	1,551	$	101
Commercial Real Estate		10,660		51		6,481		-
Agricultural		1,100		1		2,997		40
Agricultural Real Estate		1,287		36		1,926		65
Business Banking		7,538		43		7,151		-
Consumer Loans
Home Equity		2,871		20		1,869		17
Residential Real Estate Mortgages		2,015		42		1,043		4
Total:	$	29,540	$	238	$	23,018	$	227

Financing receivable credit quality by loan class

The following tables illustrate the Company’s credit quality by loan class as of September 30, 2013 and December 31, 2012:

Credit Quality Indicators
As of September 30, 2013
ORIGINATED
			Commercial				Agricultural
Commercial Credit Exposure	Commercial		Real Estate		Agricultural		Real Estate		Total
By Internally Assigned Grade:
Pass	$	574,229	$	903,073	$	59,797	$	31,418	$	1,568,517
Special Mention		10,098		50		389		43		10,580
Substandard		10,197		16,131		4,594		3,478		34,400
Doubtful		-		-		12		-		12
Total	$	594,524	$	919,254	$	64,792	$	34,939	$	1,613,509
Business Banking Credit Exposure	Small Business								Total
By Internally Assigned Grade:
Non-classified	$	313,250							$	313,250
Classified		19,283								19,283
Total	$	332,533							$	332,533
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,111,147	$	535,589	$	60,419			$	1,707,155
Nonperforming		2,669		6,733		199				9,601
Total	$	1,113,816	$	542,322	$	60,618			$	1,716,756
	Residential
Residential Mortgage Credit Exposure	Mortgage								Total
By Payment Activity:
Performing	$	695,007							$	695,007
Nonperforming		7,660								7,660
Total	$	702,667							$	702,667

Credit Quality Indicators
As of September 30, 2013
ACQUIRED
Commercial Credit Exposure			Commercial
By Internally Assigned Grade:	Commercial		Real Estate		Agricultural		Total
Pass	$	98,128	$	221,777	$	-	$	319,905
Special Mention		1,602		4,762		-		6,364
Substandard		14,644		18,255		-		32,899
Doubtful		-		-		-		-
Total	$	114,374	$	244,794	$	-	$	359,168
Business Banking Credit Exposure
By Internally Assigned Grade:	Small Business						Total
Non-classified	$	68,917					$	68,917
Classified		4,721						4,721
Total	$	73,638					$	73,638
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	144,230	$	90,193	$	8,176	$	242,599
Nonperforming		290		507		73		870
Total	$	144,520	$	90,700	$	8,249	$	243,469
Residential Mortgage Credit Exposure	Residential
By Payment Activity:	Mortgage						Total
Performing	$	321,631					$	321,631
Nonperforming		3,860						3,860
Total	$	325,491					$	325,491

Credit Quality Indicators
As of December 31, 2012
Commercial Credit Exposure			Commercial				Agricultural
By Internally Assigned Grade:	Commercial		Real Estate		Agricultural		Real Estate		Total
Pass	$	522,985	$	901,928	$	57,347	$	33,472	$	1,515,732
Special Mention		18,401		32,135		13		3		50,552
Substandard		17,351		40,732		6,362		3,902		68,347
Doubtful		2,744		-		36		-		2,780
Total	$	561,481	$	974,795	$	63,758	$	37,377	$	1,637,411
Business Banking. Credit Exposure
By Internally Assigned Grade:	Small Business								Total
Non-classified	$	342,528							$	342,528
Classified		23,432								23,432
Total	$	365,960							$	365,960
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	978,235	$	567,354	$	66,509			$	1,612,098
Nonperforming		2,762		7,928		350				11,040
Total	$	980,997	$	575,282	$	66,859			$	1,623,138
Residential Mortgage Credit Exposure	Residential
By Payment Activity:	Mortgage								Total
Performing	$	641,608							$	641,608
Nonperforming		9,499								9,499
Total	$	651,107							$	651,107

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Acquisition (Tables)

9 Months Ended

Sep. 30, 2013

Acquisition [Abstract]

Consideration paid, assets acquired, and liabilities assumed

In connection with the merger, the consideration paid and the fair value of the assets acquired and the liabilities assumed on the date of acquisition are as summarized in the following table, in thousands:

Consideration paid:
NBT Bancorp common stock issued to Alliance common shareholders	$	225,551
Cash in lieu of fractional shares paid to Alliance common shareholders		11
Less treasury shares		5,779
Net consideration paid	$	219,783
Recognized Amounts of Identifiable Assets Acquired and (Liabilities Assumed) At Fair Value:
Cash and short term investments	$	81,060
Securities		320,618
Loans		904,473
Intangible assets		13,161
Other assets		71,589
Deposits		(1,113,420	)
Borrowings		(126,530	)
Trust preferred debentures		(25,774	)
Other liabilities		(18,908	)
Total identifiable net assets	$	106,269
Goodwill	$	113,514

Acquired loan portfolio

Information about the acquired loan portfolio as of March 8, 2013 is as follows (in thousands):

Contractually required principal and interest at acquisition	$	908,614
Contractual cash flows not expected to be collected		(15,466	)
Expected cash flows at acquisition		893,148
Interest component of expected cash flows (accretable premium)		11,325
Fair value of acquired loans	$	904,473

Schedule of changes in accretable discount

The following table presents changes in the accretable discount (in thousands):

Balance at January 1, 2013	$	-
Alliance acquisition		11,325
Accretion recognized to date		(1,950	)
Balance at September 30, 2013	$	9,375

Schedule of unaudited pro forma amounts related to acquisition

The following table presents unaudited pro forma information as if the acquisition had occurred on January 1, 2012 under the “Pro forma” columns.  This pro forma information gives effect to certain adjustments, including purchase accounting fair value adjustments, amortization of core deposit and other intangibles and related income tax effects.  Merger and acquisition integration costs related to the Alliance acquisition are excluded from the periods in which they were incurred.  The pro forma information does not necessarily reflect the results of operations that would have occurred had the Company merged with Alliance at the beginning of 2012.  Cost savings are also not reflected in the unaudited pro forma amounts for the nine months ended September 30, 2012 and 2013.

	Pro forma
	Nine months ended September 30,
	2013		2012
Net interest income	$	182,610	$	182,081
Noninterest income		82,592		78,950
Net income		52,933		48,609

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Reclassification Adjustments Out of Other Comprehensive (Loss) Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (Loss) on Sale of Securities, Net	$ 329	$ 26	$ 1,413	$ 578
Salaries and employee benefits	29,267	26,641	85,474	78,358
Income tax expense	8,632	5,513	19,413	17,049
Net Income	19,257	14,535	43,822	41,442
Total reclassification during the period, net of tax	229	583	506	1,279
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]
Gain (Loss) on Sale of Securities, Net	(329)	(26)	(1,413)	(578)
Income tax expense	132	10	565	231
Net Income	(197)	(16)	(848)	(347)
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	283	390	890	1,076
Net Income	426	599	1,354	1,626
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of net gains [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	765	1,044	2,411	2,869
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of prior service costs [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	$ (56)	$ (55)	$ (167)	$ (167)

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Acquisition (Details) (USD $)	3 Months Ended		9 Months Ended			0 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Mar. 08, 2013 Alliance Financial Corporation [Member] Branch	Sep. 30, 2013 Alliance Financial Corporation [Member]	Sep. 30, 2012 Alliance Financial Corporation [Member]	Sep. 30, 2013 Hampshire First Bank [Member]	Sep. 30, 2013 Acquisition of Financial Services Company [Member]
Business Acquisition [Line Items]
Date of acquisition							Mar. 08, 2013
Number of banking centers operated by acquiree						26
Business acquisition shares converted right to receive entity's common stock (in shares)						2.1779
Number of shares of common stock issued to acquiree shareholders (in shares)							10,300,000
Direct costs related acquisition	$ 326,000	$ 558,000	$ 12,276,000	$ 1,895,000			$ 12,300,000
Core deposit and trust intangible assets useful Live, Minimum							10 years
Core deposit and trust intangible assets useful Lives, Maximum							15 years
Consideration paid [Abstract]
NBT Bancorp common stock issued to Alliance common shareholders						225,551,000
Cash in lieu of fractional shares paid to Alliance common shareholders						11,000
Less treasury shares						5,779,000
Net consideration paid						219,783,000
Recognized Amounts of Identifiable Assets Acquired and (Liabilities Assumed), At Fair Value [Abstract]
Cash and short term investments						81,060,000
Securities						320,618,000
Loans						904,473,000
Intangible assets						13,161,000
Other assets						71,589,000
Deposits						(1,113,420,000)
Borrowings						(126,530,000)
Trust Preferred debentures						(25,774,000)
Other liabilities						(18,908,000)
Total identifiable net assets						106,269,000
Goodwill	265,052,000		265,052,000		152,373,000	113,514,000
Information about acquired loan portfolio [Abstract]
Contractually required principal and interest at acquisition						908,614,000
Contractual cash flows not expected to be collected						(15,466,000)
Expected cash flows at acquisition						893,148,000
Interest component of expected cash flows (accretable premium)						11,325,000
Fair value of acquired loans						904,473,000
Changes in accretable discount [Abstract]
Balance at January 1, 2013							0
Alliance acquisition							11,325,000
Accretion recognized to date							(1,950,000)
Balance at September 30, 2013							9,375,000
Net Income (Loss) [Abstract]
Net interest income							182,610,000	182,081,000
Noninterest income							82,592,000	78,950,000
Net income							52,933,000	48,609,000
Other goodwill adjustments [Abstract]
Goodwill, purchase accounting adjustments									$ (1,000,000)	$ 100,000

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Allowance for Loan Losses and Credit Quality of Loans, Troubled Debt Restructurings (Details) (USD $)	9 Months Ended				3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended			3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 Commercial Real Estate [Member]	Sep. 30, 2013 Home Equity [Member] Contract	Sep. 30, 2012 Commercial Loans [Member]	Sep. 30, 2013 Residential Real Estate Mortgages [Member] Contract	Sep. 30, 2013 Residential Real Estate Mortgages [Member] Contract	Sep. 30, 2012 Residential Real Estate Mortgages [Member] Contract	Sep. 30, 2012 Subsequent Default [Member] Home Equity [Member] Contract	Sep. 30, 2013 Subsequent Default [Member] Home Equity [Member]	Sep. 30, 2012 Subsequent Default [Member] Home Equity [Member]	Sep. 30, 2012 Commercial [Member] Contract	Sep. 30, 2013 Commercial Real Estate [Member] Contract	Sep. 30, 2013 Commercial Real Estate [Member] Contract	Sep. 30, 2013 Home Equity [Member] Contract	Sep. 30, 2013 Home Equity [Member] Subsequent Default [Member] Contract	Sep. 30, 2013 Home Equity [Member] Subsequent Default [Member] Contract	Sep. 30, 2012 Home Equity [Member] Subsequent Default [Member] Contract	Sep. 30, 2012 Commercial Loans [Member] Contract	Sep. 30, 2013 Residential Real Estate Mortgages [Member]	Sep. 30, 2012 Residential Real Estate Mortgages [Member] Subsequent Default [Member] Contract	Sep. 30, 2012 Residential Real Estate Mortgages [Member] Subsequent Default [Member] Home Equity [Member]	Sep. 30, 2012 Residential Real Estate Mortgages [Member] Home Equity [Member] Subsequent Default [Member] 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			20		5	6	1	0			1	3	4	9	1	7	1	0		0		3
Pre-modification outstanding recorded investment		$ 7,000,000	$ 1,000,000	$ 1,000,000		$ 500,000	$ 200,000	$ 0	$ 500,000	$ 25,000		$ 6,100,000		$ 400,000	$ 100,000			$ 0	$ 300,000	$ 0	$ 400,000

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

9 Months Ended

Sep. 30, 2013

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, 2013:

	Quoted Prices in		Significant Other		Significant
	Active Markets for		Observable		Unobservable		Balance
	Identical Assets		Inputs		Inputs		as of
	(Level 1)		(Level 2)		(Level 3)		September 30, 2013
Assets:
Securities Available for Sale:
U.S. Treasury	$	43,804	$	-	$	-	$	43,804
Federal Agency		-		295,194		-		295,194
State & municipal		-		118,602		-		118,602
Mortgage-backed		-		335,206		-		335,206
Collateralized mortgage obligations		-		578,210		-		578,210
Other securities		9,671		5,047		-		14,718
Total Securities Available for Sale	$	53,475	$	1,332,259	$	-	$	1,385,734
Trading Securities		5,285		-		-		5,285
Interest Rate Swaps		-		1,038		-		1,038
Total	$	58,760	$	1,333,297	$	-	$	1,392,057
Liabilities:
Interest Rate Swaps	$	-	$	1,038	$	-	$	1,038
Total	$	-	$	1,038	$	-	$	1,038

December 31, 2012:

	Quoted Prices in		Significant		Significant
	Active Markets for		Other		Unobservable		Balance
	Identical Assets		Observable Inputs		Inputs		as of
	(Level 1)		(Level 2)		(Level 3)		December 31, 2012
Assets:
Securities Available for Sale:
U.S. Treasury	$	64,425	$	-	$	-	$	64,425
Federal Agency		-		282,814		-		282,814
State & municipal		-		86,802		-		86,802
Mortgage-backed		-		250,281		-		250,281
Collateralized mortgage obligations		-		449,723		-		449,723
Other securities		11,866		2,088		-		13,954
Total Securities Available for Sale	$	76,291	$	1,071,708	$	-	$	1,147,999
Trading Securities		3,918		-		-		3,918
Interest Rate Swaps		-		1,490		-		1,490
Total	$	80,209	$	1,073,198	$	-	$	1,153,407
Liabilities:
Interest Rate Swaps	$	-	$	1,490	$	-	$	1,490
Total	$	-	$	1,490	$	-	$	1,490

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, 2013 and December 31, 2012.  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, 2013				December 31, 2013
(In thousands)	Fair Value Hierarchy		Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Financial assets
Securities held to maturity		2	$	118,259	$	115,620	$	60,563	$	61,535
Net loans		3		5,297,047		5,358,132		4,208,282		4,313,244
Financial liabilities
Time deposits		2	$	1,063,730	$	1,068,888	$	983,261	$	994,376
Long-term debt		2		309,009		336,128		367,492		407,404
Trust preferred debentures		2		101,196		103,364		75,422		74,147

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Junior Subordinated Debt (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Limited Guarantee Trust Preferred Debentures [Abstract]
Number of statutory business trusts included in the Trusts	5
CNBF Capital Trust I VIE Entity Not Primary Beneficiary [Member] | CNBF Capital Trust I [Member]
Limited Guarantee Trust Preferred Debentures [Abstract]
Issuance Date	Aug. 01, 1999
Trust Preferred Securities Outstanding	$ 18,000
Interest Rate	3-month LIBOR plus 2.75%
Trust Preferred Debt Owed To Trust	18,720
Final Maturity Date	Aug. 01, 2029
NBT Statutory Trust I VIE Entity Not Primary Beneficiary [Member] | NBT Statutory Trust I [Member]
Limited Guarantee Trust Preferred Debentures [Abstract]
Issuance Date	Nov. 01, 2005
Trust Preferred Securities Outstanding	5,000
Interest Rate	3-month LIBOR plus 1.40%
Trust Preferred Debt Owed To Trust	5,155
Final Maturity Date	Dec. 01, 2035
NBT Statutory Trust II VIE Entity Not Primary Beneficiary [Member] | NBT Statutory Trust II [Member]
Limited Guarantee Trust Preferred Debentures [Abstract]
Issuance Date	Feb. 01, 2006
Trust Preferred Securities Outstanding	50,000
Interest Rate	3-month LIBOR plus 1.40%
Trust Preferred Debt Owed To Trust	51,547
Final Maturity Date	Mar. 01, 2036
Alliance Financial Capital Trust I VIE Entity Not Primary Beneficiary [Member] | Alliance Financial Capital Trust I [Member]
Limited Guarantee Trust Preferred Debentures [Abstract]
Issuance Date	Dec. 01, 2003
Trust Preferred Securities Outstanding	10,000
Interest Rate	3-month LIBOR plus 2.85%
Trust Preferred Debt Owed To Trust	10,310
Final Maturity Date	Jan. 01, 2034
Alliance Financial Capital Trust II VIE Entity Not Primary Beneficiary [Member] | Alliance Financial Capital Trust II [Member]
Limited Guarantee Trust Preferred Debentures [Abstract]
Issuance Date	Sep. 01, 2006
Trust Preferred Securities Outstanding	15,000
Interest Rate	3-month LIBOR plus 1.65%
Trust Preferred Debt Owed To Trust	$ 15,464
Final Maturity Date	Sep. 01, 2036

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Securities (Policies)

9 Months Ended

Sep. 30, 2013

Securities [Abstract]

Investment, Policy [Policy Text Block]

Declines in the fair value of held-to-maturity and available-for-sale securities below their cost that are deemed to be other than temporary are reflected in earnings as realized losses or in other comprehensive income, depending on whether the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss.  If the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment shall be recognized in earnings equal to the entire difference between the investment’s amortized cost basis and its fair value at the balance sheet date.  If the Company does not intend to sell the security and it is not more likely than not that the entity will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment shall be separated into (a) the amount representing the credit loss and (b) the amount related to all other factors.  The amount of the total other-than-temporary impairment related to the credit loss shall be recognized in earnings. The amount of the total other-than-temporary impairment related to other factors shall be recognized in other comprehensive income, net of applicable taxes.

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

Management has the intent to hold the securities classified as 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, 2013, management also had 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, 2013, 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.

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Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Other comprehensive (loss) income, before tax
Unrealized net holding (losses) gains arising during the period, pre-tax amounts	$ (6,927)	$ 1,463	$ (33,391)	$ 1,798
Reclassification adjustment for net gains related to securities available for sale included in net income, pre-tax amounts	329	26	1,413	578
Amortization of prior service cost and actuarial gains, pre-tax amounts	709	989	2,244	2,702
Increase in unrecognized actuarial loss, pre-tax amounts	$ 4,036	$ 0	$ 4,036	$ 0

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Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Consolidated Statements of Stockholders' Equity (Unaudited) [Abstract]
Cash dividends - per share (in dollars per share)	$ 0.60	$ 0.60
Purchase of treasury shares (in shares)	584,925	769,568
Net issuance of shares for acquisition (in shares)	10,346,363	1,269,592
Treasury stock reissued in acquisition of Alliance (in shares)	408,957
Net issuance of shares to employee benefit plans and other stock plans, including tax benefit (in shares)	145,962	85,943

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Basis of Presentation

9 Months Ended

Sep. 30, 2013

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 and NBT Holdings.  Collectively, the Registrant and its subsidiaries are referred to herein as “the Company.”  The interim data includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods in accordance with generally accepted accounting principles (“GAAP”).  These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2012 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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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities
Net income	$ 43,822	$ 41,442
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses	17,258	13,329
Depreciation and amortization of premises and equipment	5,885	4,636
Net accretion on securities	4,082	1,766
Amortization of intangible assets	3,548	2,530
Stock based compensation	3,571	3,558
Bank owned life insurance income	(2,648)	(2,228)
Purchases of trading securities	(1,022)	(705)
Unrealized gains in trading securities	(345)	(84)
Deferred income tax expense (benefit)	1,126	(2,735)
Proceeds from sale of loans held for sale	59,231	37,922
Originations of loans held for sale	(65,722)	(47,263)
Net gains on sales of loans held for sale	(1,168)	(1,352)
Net security gains	(1,413)	(578)
Net gains on sales of other real estate owned	(654)	(602)
Net decrease in other assets	12,016	9,316
Net increase (decrease) in other liabilities	8,694	(1,213)
Net cash provided by operating activities	86,261	57,739
Investing activities
Net cash provided by acquisitions	80,909	53,121
Securities available for sale:
Proceeds from maturities, calls, and principal paydowns	314,104	381,160
Proceeds from sales	27,593	1,791
Purchases	(303,497)	(329,378)
Securities held to maturity:
Proceeds from maturities, calls, and principal paydowns	24,582	24,428
Purchases	(75,808)	(14,959)
Net increase in loans	(198,057)	(234,330)
Net increase in Federal Reserve and FHLB stock	(5,584)	(672)
Purchases of premises and equipment	(3,409)	(4,805)
Proceeds from sales of other real estate owned	3,470	2,411
Net cash used in investing activities	(135,697)	(121,233)
Financing activities
Net increase in deposits	105,369	156,761
Net increase (decrease) in short-term borrowings	188,689	(44,227)
Repayments of long-term debt	(163,409)	(3,350)
Proceeds from the issuance of shares to employee benefit plans and other stock plans	154	825
Purchase of treasury stock	(12,459)	(15,490)
Cash dividends	(24,334)	(19,966)
Net cash provided by financing activities	94,010	74,553
Net increase in cash and cash equivalents	44,574	11,059
Cash and cash equivalents at beginning of period	163,668	129,381
Cash and cash equivalents at end of period	208,242	140,440
Cash paid during the period for:
Interest	24,335	26,951
Income taxes paid	12,885	18,457
Acquisitions:
Fair value of assets acquired	1,504,415	257,865
Fair value of liabilities assumed	1,284,632	285,012
Fair value of debt issued in asset purchase	$ 0	$ 150

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Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Basic EPS [Abstract]
Weighted average common shares outstanding (in shares)	43,711,000	33,619,000	41,375,000	33,293,000
Net income available to common shareholders	$ 19,257	$ 14,535	$ 43,822	$ 41,442
Basic EPS (in dollars per share)	$ 0.44	$ 0.43	$ 1.06	$ 1.24
Diluted EPS [Abstract]
Weighted average common shares outstanding (in shares)	43,711,000	33,619,000	41,375,000	33,293,000
Dilutive effect of common stock option and restricted stock (in shares)	424,000	342,000	394,000	333,000
Weighted average common shares and common share equivalent (in shares)	44,135,000	33,961,000	41,769,000	33,626,000
Net income available to common shareholders	$ 19,257	$ 14,535	$ 43,822	$ 41,442
Diluted EPS (in dollars per share)	$ 0.44	$ 0.43	$ 1.05	$ 1.23
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options excluded from calculation of diluted EPS (in shares)	972,403	1,176,670	1,157,135	1,197,417

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

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,	2013		2012
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,711		33,619
Net income available to common shareholders		19,257		14,535
Basic EPS	$	0.44	$	0.43
Diluted EPS:
Weighted average common shares outstanding		43,711		33,619
Dilutive effect of common stock options and restricted stock		424		342
Weighted average common shares and common share equivalents		44,135		33,961
Net income available to common shareholders		19,257		14,535
Diluted EPS	$	0.44	$	0.43
Nine months ended September 30,		2013		2012
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		41,375		33,293
Net income available to common shareholders		43,822		41,442
Basic EPS	$	1.06	$	1.24
Diluted EPS:
Weighted average common shares outstanding		41,375		33,293
Dilutive effect of common stock options and restricted stock		394		333
Weighted average common shares and common share equivalents		41,769		33,626
Net income available to common shareholders		43,822		41,442
Diluted EPS	$	1.05	$	1.23

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Securities (Tables)

9 Months Ended

Sep. 30, 2013

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, 2013
U.S. Treasury	$	43,359	$	445	$	-	$	43,804
Federal Agency		300,964		369		6,139		295,194
State & municipal		117,936		2,083		1,417		118,602
Mortgage-backed:
Government-sponsored enterprises		303,907		7,652		960		310,599
U.S. government securities		23,613		1,080		86		24,607
Collateralized mortgage obligations:
Government-sponsored enterprises		543,447		1,792		15,211		530,028
U.S. government securities		47,330		914		62		48,182
Other securities		12,367		2,551		200		14,718
Total securities available for sale	$	1,392,923	$	16,886	$	24,075	$	1,385,734
December 31, 2012
U.S. Treasury	$	63,668	$	757	$	-	$	64,425
Federal Agency		281,398		1,507		91		282,814
State & municipal		82,675		4,127		-		86,802
Mortgage-backed:
Government-sponsored enterprises		221,110		11,175		-		232,285
U.S. government securities		16,351		1,645		-		17,996
Collateralized mortgage obligations:
Government-sponsored enterprises		399,147		4,418		-		403,565
U.S. government securities		44,825		1,333		-		46,158
Other securities		11,210		2,832		88		13,954
Total securities available for sale	$	1,120,384	$	27,794	$	179	$	1,147,999

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:

	Amortized		Unrealized		Unrealized		Estimated
(In thousands)	cost		gains		losses		fair value
September 30, 2013
Mortgage-backed	$	983	$	122	$	-	$	1,105
Collateralized mortgage oblications		63,048		-		3,251		59,797
State & municipal		54,228		490		-		54,718
Total securities held to maturity	$	118,259	$	612	$	3,251	$	115,620
December 31, 2012
Mortgage-backed	$	1,168	$	184	$	-	$	1,352
State & municipal		59,395		788		-		60,183
Total securities held to maturity	$	60,563	$	972	$	-	$	61,535

Investment securities with unrealized losses

The following table sets forth information with regard to investment securities with unrealized losses at September 30, 2013 and December 31, 2012:

	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, 2013
Investment securities available for sale:
Federal agency	$	300,964	$	(6,139	)		20	$	-	$	-			-	$	300,964	$	(6,139	)		20
State & municipal		117,936		(1,417	)		189		-		-			-		117,936		(1,417	)		189
Mortgage-backed		327,504		(1,046	)		81		-		-			-		327,504		(1,046	)		81
Collateralized mortgage obligations		590,777		(15,273	)		40		-		-			-		590,777		(15,273	)		40
Other securities		5,523		(170	)		2		218		(30	)		1		5,741		(200	)		3
Total securities with unrealized losses	$	1,342,704	$	(24,045	)		332	$	218	$	(30	)		1	$	1,342,922	$	(24,075	)		333
September 30, 2013
Investment securities held to maturity:
Collateralized mortgage obligations	$	63,048	$	(3,251	)		5	$	-	$	-			-	$	63,048	$	(3,251	)		5
Total securities with unrealized losses	$	63,048	$	(3,251	)		5	$	-	$	-			-	$	63,048	$	(3,251	)		5

	Less than 12 months							12 months or longer							Total
	Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions
December 31, 2012
Investment securities available for sale:
U.S. Treasury	$	-	$	-			-	$	-	$	-			-	$	-	$	-			-
Federal agency		39,906		(91	)		4		-		-			-		39,906		(91	)		4
State & municipal		-		-			-		-		-			-		-		-			-
Mortgage-backed		-		-			-		-		-			-		-		-			-
Collateralized mortgage obligations		23		-			2		-		-			-		23		-			2
Other securities		468		(6	)		1		167		(82	)		1		635		(88	)		2
Total securities with unrealized losses	$	40,397	$	(97	)		7	$	167	$	(82	)		1	$	40,564	$	(179	)		8

Contractual maturities of debt securities

The following tables set forth information with regard to contractual maturities of debt securities at September 30, 2013:

(In thousands)	Amortized cost		Estimated fair value
Debt securities classified as available for sale
Within one year	$	26,527	$	26,704
From one to five years		272,953		274,104
From five to ten years		295,191		293,558
After ten years		785,885		776,650
	$	1,380,556	$	1,371,016
Debt securities classified as held to maturity
Within one year	$	25,305	$	25,412
From one to five years		22,364		22,744
From five to ten years		5,054		5,059
After ten years		65,536		62,405
	$	118,259	$	115,620

XML

Allowance for Loan Losses and Credit Quality of Loans, Past Due Loans (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Aging [Abstract]
Minimum number of days past due for nonaccrual loan status	90 days
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	$ 27,633	$ 22,852
61 - 90 Days Past Due Accruing	6,462	5,277
Greater Than 90 Days Past Due Accruing	3,286	2,448
Total Past Due Accruing	37,381	30,577
Non-Accrual	41,418	39,676
Current	5,288,432	4,207,363
Ending balance of loans	5,367,231	4,277,616
Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	23,217
61 - 90 Days Past Due Accruing	6,013
Greater Than 90 Days Past Due Accruing	3,098
Total Past Due Accruing	32,328
Non-Accrual	34,107	39,676
Current	4,299,030
Ending balance of loans	4,365,465
ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	4,416
61 - 90 Days Past Due Accruing	449
Greater Than 90 Days Past Due Accruing	188
Total Past Due Accruing	5,053
Non-Accrual	7,311
Current	989,402
Ending balance of loans	1,001,766
Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
Ending balance of loans	2,378,848	2,003,371
Commercial Loans [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
Non-Accrual	19,944	21,437
Commercial Loans [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
Non-Accrual	2,769
Commercial Loans [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		0
61 - 90 Days Past Due Accruing		0
Greater Than 90 Days Past Due Accruing		0
Total Past Due Accruing		0
Non-Accrual		4,985
Current		556,496
Ending balance of loans		561,481
Commercial Loans [Member] | Commercial [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	76
61 - 90 Days Past Due Accruing	1,031
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	1,107
Non-Accrual	4,409	4,985
Current	589,008
Ending balance of loans	594,524
Commercial Loans [Member] | Commercial [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	70
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	70
Non-Accrual	102
Current	114,202
Ending balance of loans	114,374
Commercial Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		126
61 - 90 Days Past Due Accruing		0
Greater Than 90 Days Past Due Accruing		0
Total Past Due Accruing		126
Non-Accrual		7,977
Current		966,692
Ending balance of loans		974,795
Commercial Loans [Member] | Commercial Real Estate [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	478
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	478
Non-Accrual	8,642	7,977
Current	910,134
Ending balance of loans	919,254
Commercial Loans [Member] | Commercial Real Estate [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	232
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	232
Non-Accrual	1,329
Current	243,233
Ending balance of loans	244,794
Commercial Loans [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		22
61 - 90 Days Past Due Accruing		0
Greater Than 90 Days Past Due Accruing		0
Total Past Due Accruing		22
Non-Accrual		699
Current		63,037
Ending balance of loans		63,758
Commercial Loans [Member] | Agricultural [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	140
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	140
Non-Accrual	1,076	699
Current	63,576
Ending balance of loans	64,792
Commercial Loans [Member] | Agricultural Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		108
61 - 90 Days Past Due Accruing		0
Greater Than 90 Days Past Due Accruing		103
Total Past Due Accruing		211
Non-Accrual		1,038
Current		36,128
Ending balance of loans		37,377
Commercial Loans [Member] | Agricultural Real Estate [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	0
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	0
Non-Accrual	868	1,038
Current	34,071
Ending balance of loans	34,939
Commercial Loans [Member] | Business Banking [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		3,019
61 - 90 Days Past Due Accruing		708
Greater Than 90 Days Past Due Accruing		45
Total Past Due Accruing		3,772
Non-Accrual		6,738
Current		355,450
Ending balance of loans		365,960
Commercial Loans [Member] | Business Banking [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	1,900
61 - 90 Days Past Due Accruing	675
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	2,575
Non-Accrual	4,949	6,738
Current	325,009
Ending balance of loans	332,533
Commercial Loans [Member] | Business Banking [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	246
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	246
Non-Accrual	1,338
Current	72,054
Ending balance of loans	73,638
Commercial Loans [Member] | Total Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		3,275
61 - 90 Days Past Due Accruing		708
Greater Than 90 Days Past Due Accruing		148
Total Past Due Accruing		4,131
Non-Accrual		21,437
Current		1,977,803
Ending balance of loans		2,003,371
Commercial Loans [Member] | Total Commercial Loan [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	2,594
61 - 90 Days Past Due Accruing	1,706
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	4,300
Non-Accrual	19,944
Current	1,921,798
Ending balance of loans	1,946,042
Commercial Loans [Member] | Total Commercial Loan [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	548
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	548
Non-Accrual	2,769
Current	429,489
Ending balance of loans	432,806
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
Ending balance of loans	1,960,225	1,623,138
Consumer Loans [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
Non-Accrual	7,497	9,070
Consumer Loans [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
Non-Accrual	682
Consumer Loans [Member] | Indirect [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		10,956
61 - 90 Days Past Due Accruing		2,477
Greater Than 90 Days Past Due Accruing		1,205
Total Past Due Accruing		14,638
Non-Accrual		1,557
Current		964,802
Ending balance of loans		980,997
Consumer Loans [Member] | Indirect [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	10,530
61 - 90 Days Past Due Accruing	2,331
Greater Than 90 Days Past Due Accruing	1,229
Total Past Due Accruing	14,090
Non-Accrual	1,440	1,557
Current	1,098,286
Ending balance of loans	1,113,816
Consumer Loans [Member] | Indirect [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	526
61 - 90 Days Past Due Accruing	116
Greater Than 90 Days Past Due Accruing	32
Total Past Due Accruing	674
Non-Accrual	258
Current	143,588
Ending balance of loans	144,520
Consumer Loans [Member] | Home Equity Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		6,065
61 - 90 Days Past Due Accruing		1,223
Greater Than 90 Days Past Due Accruing		681
Total Past Due Accruing		7,969
Non-Accrual		7,247
Current		560,066
Ending balance of loans		575,282
Consumer Loans [Member] | Home Equity Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	6,513
61 - 90 Days Past Due Accruing	1,648
Greater Than 90 Days Past Due Accruing	768
Total Past Due Accruing	8,929
Non-Accrual	5,965	7,247
Current	527,428
Ending balance of loans	542,322
Consumer Loans [Member] | Home Equity Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	750
61 - 90 Days Past Due Accruing	0
Greater Than 90 Days Past Due Accruing	154
Total Past Due Accruing	904
Non-Accrual	353
Current	89,443
Ending balance of loans	90,700
Consumer Loans [Member] | Direct [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		717
61 - 90 Days Past Due Accruing		144
Greater Than 90 Days Past Due Accruing		84
Total Past Due Accruing		945
Non-Accrual		266
Current		65,648
Ending balance of loans		66,859
Consumer Loans [Member] | Direct [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	625
61 - 90 Days Past Due Accruing	156
Greater Than 90 Days Past Due Accruing	107
Total Past Due Accruing	888
Non-Accrual	92	266
Current	59,638
Ending balance of loans	60,618
Consumer Loans [Member] | Direct [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	113
61 - 90 Days Past Due Accruing	16
Greater Than 90 Days Past Due Accruing	2
Total Past Due Accruing	131
Non-Accrual	71
Current	8,047
Ending balance of loans	8,249
Consumer Loans [Member] | Total Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		17,738
61 - 90 Days Past Due Accruing		3,844
Greater Than 90 Days Past Due Accruing		1,970
Total Past Due Accruing		23,552
Non-Accrual		9,070
Current		1,590,516
Ending balance of loans		1,623,138
Consumer Loans [Member] | Total Consumer Loan [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	17,668
61 - 90 Days Past Due Accruing	4,135
Greater Than 90 Days Past Due Accruing	2,104
Total Past Due Accruing	23,907
Non-Accrual	7,497
Current	1,685,352
Ending balance of loans	1,716,756
Consumer Loans [Member] | Total Consumer Loan [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	1,389
61 - 90 Days Past Due Accruing	132
Greater Than 90 Days Past Due Accruing	188
Total Past Due Accruing	1,709
Non-Accrual	682
Current	241,078
Ending balance of loans	243,469
Residential Real Estate Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing		1,839
61 - 90 Days Past Due Accruing		725
Greater Than 90 Days Past Due Accruing		330
Total Past Due Accruing		2,894
Non-Accrual		9,169
Current		639,044
Ending balance of loans	1,028,158	651,107
Residential Real Estate Mortgages [Member] | Originated loans [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	2,955
61 - 90 Days Past Due Accruing	172
Greater Than 90 Days Past Due Accruing	994
Total Past Due Accruing	4,121
Non-Accrual	6,666	9,169
Current	691,880
Ending balance of loans	702,667
Residential Real Estate Mortgages [Member] | ACQUIRED [Member]
Financing Receivable, Recorded Investment, Past Due [Abstract]
31 - 60 Days Past Due Accruing	2,479
61 - 90 Days Past Due Accruing	317
Greater Than 90 Days Past Due Accruing	0
Total Past Due Accruing	2,796
Non-Accrual	3,860
Current	318,835
Ending balance of loans	$ 325,491

XML

Securities (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013 Position	Sep. 30, 2012	Dec. 31, 2012 Position
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 1,392,923,000		$ 1,120,384,000
Unrealized gains	16,886,000		27,794,000
Unrealized losses	24,075,000		179,000
Estimated fair value	1,385,734,000		1,147,999,000
Sales transactions of securities available for sale [Abstract]
Proceeds from sales	27,600,000	1,800,000
Gross realized gains	1,400,000	600,000
Loss on sales	0	0
Amortized costs of securities available for sale pledged to secure public deposits	1,200,000,000		900,000,000
Amortized costs of securities available for sale pledged as collateral for repurchase agreements	222,200,000		209,000,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	1,342,704,000		40,397,000
12 Months or Longer, Fair Value	218,000		167,000
Total, Fair Value	1,342,922,000		40,564,000
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(24,045,000)		(97,000)
12 Months or Longer, Unrealized Losses	(30,000)		(82,000)
Total, Unrealized Losses	(24,075,000)		(179,000)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	332		7
12 Months or Longer, Number of Positions	1		1
Total, Number of Positions	333		8
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	118,259,000		60,563,000
Unrealized gains	612,000		972,000
Unrealized losses	3,251,000		0
Estimated fair value	115,620,000		61,535,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	63,048,000
12 Months or Longer, Fair Value	0
Total, Fair Value	63,048,000
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(3,251,000)
12 Months or Longer, Unrealized Losses	0
Total, Unrealized Losses	(3,251,000)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	5
12 Months or Longer, Number of Positions	0
Total, Number of Positions	5
Consolidated stockholders' equity threshold percentage that no single issuer of securities exceeded except for U.S. Government securities. (in hundredths)	10.00%
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract]
Within one year	26,527,000
From one to five years	272,953,000
From five to ten years	295,191,000
After ten years	785,885,000
Total, Amortized Cost	1,380,556,000
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Within one year	26,704,000
From one to five years	274,104,000
From five to ten years	293,558,000
After ten years	776,650,000
Total, Fair Value	1,371,016,000
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Within one year	25,305,000
From one to five years	22,364,000
From five to ten years	5,054,000
After ten years	65,536,000
Securities held to maturity	118,259,000		60,563,000
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Within one year	25,412,000
From one to five years	22,744,000
From five to ten years	5,059,000
After ten years	62,405,000
Total, Fair Value	115,620,000		61,535,000
State & Municipal [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	54,228,000		59,395,000
Unrealized gains	490,000		788,000
Unrealized losses	0		0
Estimated fair value	54,718,000		60,183,000
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Securities held to maturity	54,228,000		59,395,000
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	54,718,000		60,183,000
Mortgage backed [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	983,000		1,168,000
Unrealized gains	122,000		184,000
Unrealized losses	0		0
Estimated fair value	1,105,000		1,352,000
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Securities held to maturity	983,000		1,168,000
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	1,105,000		1,352,000
Collateralized Mortgage Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	63,048,000
Unrealized gains	0
Unrealized losses	3,251,000
Estimated fair value	59,797,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	63,048,000
12 Months or Longer, Fair Value	0
Total, Fair Value	63,048,000
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(3,251,000)
12 Months or Longer, Unrealized Losses	0
Total, Unrealized Losses	(3,251,000)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	5
12 Months or Longer, Number of Positions	0
Total, Number of Positions	5
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Securities held to maturity	63,048,000
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Total, Fair Value	59,797,000
US Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	43,359,000		63,668,000
Unrealized gains	445,000		757,000
Unrealized losses	0		0
Estimated fair value	43,804,000		64,425,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value			0
12 Months or Longer, Fair Value			0
Total, Fair Value			0
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses			0
12 Months or Longer, Unrealized Losses			0
Total, Unrealized Losses			0
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions			0
12 Months or Longer, Number of Positions			0
Total, Number of Positions			0
Federal Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	300,964,000		281,398,000
Unrealized gains	369,000		1,507,000
Unrealized losses	6,139,000		91,000
Estimated fair value	295,194,000		282,814,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	300,964,000		39,906,000
12 Months or Longer, Fair Value	0		0
Total, Fair Value	300,964,000		39,906,000
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(6,139,000)		(91,000)
12 Months or Longer, Unrealized Losses	0		0
Total, Unrealized Losses	(6,139,000)		(91,000)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	20		4
12 Months or Longer, Number of Positions	0		0
Total, Number of Positions	20		4
Mortgage-Backed [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	327,504,000		0
12 Months or Longer, Fair Value	0		0
Total, Fair Value	327,504,000		0
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(1,046,000)		0
12 Months or Longer, Unrealized Losses	0		0
Total, Unrealized Losses	(1,046,000)		0
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	81		0
12 Months or Longer, Number of Positions	0		0
Total, Number of Positions	81		0
Mortgage-Backed [Member] | Government-sponsored enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	303,907,000		221,110,000
Unrealized gains	7,652,000		11,175,000
Unrealized losses	960,000		0
Estimated fair value	310,599,000		232,285,000
Mortgage-Backed [Member] | U.S. government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	23,613,000		16,351,000
Unrealized gains	1,080,000		1,645,000
Unrealized losses	86,000		0
Estimated fair value	24,607,000		17,996,000
State & Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	117,936,000		82,675,000
Unrealized gains	2,083,000		4,127,000
Unrealized losses	1,417,000		0
Estimated fair value	118,602,000		86,802,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	117,936,000		0
12 Months or Longer, Fair Value	0		0
Total, Fair Value	117,936,000		0
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(1,417,000)		0
12 Months or Longer, Unrealized Losses	0		0
Total, Unrealized Losses	(1,417,000)		0
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	189		0
12 Months or Longer, Number of Positions	0		0
Total, Number of Positions	189		0
Collateralized Mortgage Obligations [Member]
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	590,777,000		23,000
12 Months or Longer, Fair Value	0		0
Total, Fair Value	590,777,000		23,000
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(15,273,000)		0
12 Months or Longer, Unrealized Losses	0		0
Total, Unrealized Losses	(15,273,000)		0
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	40		2
12 Months or Longer, Number of Positions	0		0
Total, Number of Positions	40		2
Collateralized Mortgage Obligations [Member] | Government-sponsored enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	543,447,000		399,147,000
Unrealized gains	1,792,000		4,418,000
Unrealized losses	15,211,000		0
Estimated fair value	530,028,000		403,565,000
Collateralized Mortgage Obligations [Member] | U.S. government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	47,330,000		44,825,000
Unrealized gains	914,000		1,333,000
Unrealized losses	62,000		0
Estimated fair value	48,182,000		46,158,000
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	12,367,000		11,210,000
Unrealized gains	2,551,000		2,832,000
Unrealized losses	200,000		88,000
Estimated fair value	14,718,000		13,954,000
Unrealized Loss Position, Fair Value [Abstract]
Less Than 12 Months, Fair Value	5,523,000		468,000
12 Months or Longer, Fair Value	218,000		167,000
Total, Fair Value	5,741,000		635,000
Unrealized Loss Position, Unrealized Losses [Abstract]
Less Than 12 Months, Unrealized Losses	(170,000)		(6,000)
12 Months or Longer, Unrealized Losses	(30,000)		(82,000)
Total, Unrealized Losses	$ (200,000)		$ (88,000)
Unrealized Loss Position, Number of Positions [Abstract]
Less Than 12 Months, Number of Positions	2		1
12 Months or Longer, Number of Positions	1		1
Total, Number of Positions	3		2

XML

Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Assets
Securities held to maturity fair value	$ 115,620	$ 61,535
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	39,305,131
Common stock in treasury, at cost (in shares)	6,377,701	5,529,781

XML

Allowance for Loan Losses and Credit Quality of Loans

9 Months Ended

Sep. 30, 2013

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

Allowance for Loan Losses and Credit Quality of Loans

Note 5. 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 risk of probable 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).  Prior to 2013, separate disclosures for acquired loans were not significant and were included with originated loans in the Company’s asset quality disclosures.  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 – 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 and is generally less liquid than real estate. 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 property which generally consists of real estate 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 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 fixed home equity loans as well as 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 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 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, 2013 and 2012:

							Residential
Three months ended September 30	Commercial			Consumer			Real Estate
	Loans			Loans			Mortgages			Unallocated			Total
Balance as of June 30, 2013	$	37,704		$	26,456		$	6,806		$	218		$	71,184
Charge-offs		(3,489	)		(3,746	)		(374	)		-			(7,609	)
Recoveries		602			733			76			-			1,411
Provision		980			3,744			402			72			5,198
Ending Balance as of September 30, 2013	$	35,797		$	27,187		$	6,910		$	290		$	70,184
Balance as of June 30, 2012	$	37,495		$	27,235		$	5,943		$	61		$	70,734
Charge-offs		(1,904	)		(3,446	)		(480	)		-			(5,830	)
Recoveries		492			574			9			-			1,075
Provision		1,734			2,213			809			(1	)		4,755
Ending Balance as of September 30, 2012	$	37,817		$	26,576		$	6,281		$	60		$	70,734
							Residential
Nine months ended September 30	Commercial			Consumer			Real Estate
	Loans			Loans			Mortgages			Unallocated			Total
Balance as of December 31, 2012	$	35,624		$	27,162		$	6,252		$	296		$	69,334
Charge-offs		(8,009	)		(11,122	)		(1,347	)		-			(20,478	)
Recoveries		1,485			2,363			179			43			4,070
Provision		6,697			8,784			1,826			(49	)		17,258
Ending Balance as of September 30, 2013	$	35,797		$	27,187		$	6,910		$	290		$	70,184
Balance as of December 31, 2011	$	38,831		$	26,049		$	6,249		$	205		$	71,334
Charge-offs		(4,685	)		(11,237	)		(1,130	)		-			(17,052	)
Recoveries		1,180			1,918			25			-			3,123
Provision		2,491			9,846			1,137			(145	)		13,329
Ending Balance as of September 30, 2012	$	37,817		$	26,576		$	6,281		$	60		$	70,734

For acquired loans, to the extent that we experience deterioration in borrower credit quality resulting in a decrease in our expected cash flows subsequent to acquisition of the loans, an allowance for loan losses would be established based on our estimate of future credit losses over the remaining life of the loans.  As of September 30, 2013 and 2012, there was no allowance for loan losses for the acquired loan portfolio. Net charge-offs related to acquired loans totaled approximately $47,000 and $0.3 million during the three and nine months ended September 30, 2013, 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, 2013 and December 31, 2012:

Allowance for Loan Losses and Recorded Investment in Loans
(in thousands)
					Residential
	Commercial		Consumer		Real Estate
	Loans		Loans		Mortgages		Unallocated		Total
As of September 30, 2013
Allowance for loan losses	$	35,797	$	27,187	$	6,910	$	290	$	70,184
Allowance for loans individually evaluated for impairment	$	1,100	$	-	$	-			$	1,100
Allowance for loans collectively evaluated for impairment	$	34,697	$	27,187	$	6,910	$	290	$	69,084
Ending balance of loans	$	2,378,848	$	1,960,225	$	1,028,158			$	5,367,231
Ending balance of loans individually evaluated for impairment	$	15,323	$	-	$	-			$	15,323
Ending balance of acquired loans	$	432,806	$	243,469	$	325,491			$	1,001,766
Ending balance of loans collectively evaluated for impairment	$	1,930,719	$	1,716,756	$	702,667			$	4,350,142
As of December 31, 2012
Allowance for loan losses	$	35,624	$	27,162	$	6,252	$	296	$	69,334
Allowance for loans individually evaluated for impairment	$	2,848	$	-	$	-			$	2,848
Allowance for loans collectively evaluated for impairment	$	32,776	$	27,162	$	6,252	$	296	$	66,486
Ending balance of loans	$	2,003,371	$	1,623,138	$	651,107			$	4,277,616
Ending balance of loans individually evaluated for impairment	$	11,972	$	-	$	-			$	11,972
Ending balance of loans collectively evaluated for impairment	$	1,991,399	$	1,623,138	$	651,107			$	4,265,644

Credit Quality of Loans

Loans are placed on nonaccrual status when timely collection of principal and interest in accordance with contractual terms is doubtful. Loans are transferred to nonaccrual status generally when principal or interest payments become ninety days delinquent, unless the loan is well secured and in the process of collection, or sooner when management concludes 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.  When in the opinion of management the collection of principal appears unlikely, the loan balance is charged-off in total or in part.  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 table illustrates the Company’s nonaccrual loans by loan class:

Loans on Nonaccrual Status as of:

(In thousands)	September 30, 2013		December 31, 2012
ORIGINATED
Commercial Loans
Commercial	$	4,409	$	4,985
Commercial Real Estate		8,642		7,977
Agricultural		1,076		699
Agricultural Real Estate		868		1,038
Business Banking		4,949		6,738
		19,944		21,437
Consumer Loans
Indirect		1,440		1,557
Home Equity		5,965		7,247
Direct		92		266
		7,497		9,070
Residential Real Estate Mortgages		6,666		9,169
	$	34,107	$	39,676
ACQUIRED
Commercial Loans
Commercial	$	102
Commercial Real Estate		1,329
Business Banking		1,338
		2,769
Consumer Loans
Indirect		258
Home Equity		353
Direct		71
		682
Residential Real Estate Mortgages		3,860
	$	7,311
Total nonaccrual loans	$	41,418	$	39,676

The following tables set forth information with regard to past due and nonperforming loans by loan class as of September 30, 2013 and December 31, 2012:

Age Analysis of Past Due Financing Receivables
As of September 30, 2013
(in thousands)
					Greater Than
	31-60 Days		61-90 Days		90 Days		Total						Recorded
	Past Due		Past Due		Past Due		Past Due						Total
	Accruing		Accruing		Accruing		Accruing		Non-Accrual		Current		Loans
ORIGINATED
Commercial Loans
Commercial	$	76	$	1,031	$	-	$	1,107	$	4,409	$	589,008	$	594,524
Commercial Real Estate		478		-		-		478		8,642		910,134		919,254
Agricultural		140		-		-		140		1,076		63,576		64,792
Agricultural Real Estate		-		-		-		-		868		34,071		34,939
Business Banking		1,900		675		-		2,575		4,949		325,009		332,533
		2,594		1,706		-		4,300		19,944		1,921,798		1,946,042
Consumer Loans
Indirect		10,530		2,331		1,229		14,090		1,440		1,098,286		1,113,816
Home Equity		6,513		1,648		768		8,929		5,965		527,428		542,322
Direct		625		156		107		888		92		59,638		60,618
		17,668		4,135		2,104		23,907		7,497		1,685,352		1,716,756
Residential Real Estate Mortgages		2,955		172		994		4,121		6,666		691,880		702,667
	$	23,217	$	6,013	$	3,098	$	32,328	$	34,107	$	4,299,030	$	4,365,465
ACQUIRED
Commercial Loans
Commercial	$	70	$	-	$	-	$	70	$	102	$	114,202	$	114,374
Commercial Real Estate		232		-		-		232		1,329		243,233		244,794
Business Banking		246		-		-		246		1,338		72,054		73,638
		548		-		-		548		2,769		429,489		432,806
Consumer Loans
Indirect		526		116		32		674		258		143,588		144,520
Home Equity		750		-		154		904		353		89,443		90,700
Direct		113		16		2		131		71		8,047		8,249
		1,389		132		188		1,709		682		241,078		243,469
Residential Real Estate Mortgages		2,479		317		-		2,796		3,860		318,835		325,491
	$	4,416	$	449	$	188	$	5,053	$	7,311	$	989,402	$	1,001,766
Total Loans	$	27,633	$	6,462	$	3,286	$	37,381	$	41,418	$	5,288,432	$	5,367,231

As of December 31, 2012
(in thousands)
					Greater Than
	31-60 Days		61-90 Days		90 Days		Total						Recorded
	Past Due		Past Due		Past Due		Past Due						Total
	Accruing		Accruing		Accruing		Accruing		Non-Accrual		Current		Loans
Commercial Loans
Commercial	$	-	$	-	$	-	$	-	$	4,985	$	556,496	$	561,481
Commercial Real Estate		126		-		-		126		7,977		966,692		974,795
Agricultural		22		-		-		22		699		63,037		63,758
Agricultural Real Estate		108		-		103		211		1,038		36,128		37,377
Business Banking		3,019		708		45		3,772		6,738		355,450		365,960
		3,275		708		148		4,131		21,437		1,977,803		2,003,371
Consumer Loans
Indirect		10,956		2,477		1,205		14,638		1,557		964,802		980,997
Home Equity		6,065		1,223		681		7,969		7,247		560,066		575,282
Direct		717		144		84		945		266		65,648		66,859
		17,738		3,844		1,970		23,552		9,070		1,590,516		1,623,138
Residential Real Estate Mortgages		1,839		725		330		2,894		9,169		639,044		651,107
	$	22,852	$	5,277	$	2,448	$	30,577	$	39,676	$	4,207,363	$	4,277,616

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 loans with outstanding balances of $0.5 million or more 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 or 3) the loan’s observable market price.  All impaired loans are reviewed on a quarterly basis for changes in the measurement 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 credit losses.

The following table provides information on impaired loans and specific reserve allocations as of September 30, 2013 and December 31, 2012:

	September 30, 2013						December 31, 2012
	Recorded		Unpaid				Recorded		Unpaid
	Investment		Principal				Investment		Principal
	Balance		Balance		Related		Balance		Balance		Related
(in thousands)	(Book)		(Legal)		Allowance		(Book)		(Legal)		Allowance
With no related allowance recorded:
Commercial Loans
Commercial	$	5,507	$	5,549			$	1,651	$	1,710
Commercial Real Estate		5,427		5,431				8,709		9,553
Agricultural		1,097		1,460				940		1,286
Agricultural Real Estate		1,529		1,936				1,713		2,026
Business Banking		6,533		8,927				7,048		9,579
Total Commercial Loans		20,093		23,303				20,061		24,154
Consumer Loans
Home Equity		3,304		3,496				2,553		2,657
Residential Real Estate Mortgages		2,234		2,626				2,011		2,308
	$	25,631	$	29,425			$	24,625	$	29,119
With an allowance recorded:
Commercial Loans
Commercial	$	-	$	-	$	-	$	4,335	$	4,340	$	2,241
Commercial Real Estate		6,216		7,838		1,100		4,068		5,689		607
Agricultural		-		-		-		-		-		-
Agricultural Real Estate		-		-		-		-		-		-
		6,216		7,838		1,100		8,403		10,029		2,848
Total:	$	31,847	$	37,263	$	1,100	$	33,028	$	39,148	$	2,848

The following tables summarize the average recorded investments on impaired loans and the interest income recognized for the three and nine months ended September 30, 2013 and 2012:

	For the three months ended
	September 30, 2013				September 30, 2012
	Average		Interest		Average		Interest Income
	Recorded		Income		Recorded		Recognized
(in thousands)	Investment		Recognized		Investment		Accrual
Commercial Loans
Commercial	$	3,348	$	15	$	1,128	$	32
Commercial Real Estate		10,751		-		7,140		-
Agricultural		1,526		-		2,876		4
Agricultural Real Estate		897		12		1,876		12
Business Banking		6,581		13		6,572		-
Consumer Loans
Home Equity		3,064		8		1,828		5
Residential Real Estate Mortgages		2,066		15		1,055		1
Total:	$	28,233	$	63	$	22,475	$	54
	For the nine months ended
	September 30, 2013				September 30, 2012
	Average		Interest		Average		Interest Income
	Recorded		Income		Recorded		Recognized
(in thousands)	Investment		Recognized		Investment		Accrual
Commercial Loans
Commercial	$	4,069	$	45	$	1,551	$	101
Commercial Real Estate		10,660		51		6,481		-
Agricultural		1,100		1		2,997		40
Agricultural Real Estate		1,287		36		1,926		65
Business Banking		7,538		43		7,151		-
Consumer Loans
Home Equity		2,871		20		1,869		17
Residential Real Estate Mortgages		2,015		42		1,043		4
Total:	$	29,540	$	238	$	23,018	$	227

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.

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, 2013 and December 31, 2012:

Credit Quality Indicators
As of September 30, 2013
ORIGINATED
			Commercial				Agricultural
Commercial Credit Exposure	Commercial		Real Estate		Agricultural		Real Estate		Total
By Internally Assigned Grade:
Pass	$	574,229	$	903,073	$	59,797	$	31,418	$	1,568,517
Special Mention		10,098		50		389		43		10,580
Substandard		10,197		16,131		4,594		3,478		34,400
Doubtful		-		-		12		-		12
Total	$	594,524	$	919,254	$	64,792	$	34,939	$	1,613,509
Business Banking Credit Exposure	Small Business								Total
By Internally Assigned Grade:
Non-classified	$	313,250							$	313,250
Classified		19,283								19,283
Total	$	332,533							$	332,533
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	1,111,147	$	535,589	$	60,419			$	1,707,155
Nonperforming		2,669		6,733		199				9,601
Total	$	1,113,816	$	542,322	$	60,618			$	1,716,756
	Residential
Residential Mortgage Credit Exposure	Mortgage								Total
By Payment Activity:
Performing	$	695,007							$	695,007
Nonperforming		7,660								7,660
Total	$	702,667							$	702,667

Credit Quality Indicators
As of September 30, 2013
ACQUIRED
Commercial Credit Exposure			Commercial
By Internally Assigned Grade:	Commercial		Real Estate		Agricultural		Total
Pass	$	98,128	$	221,777	$	-	$	319,905
Special Mention		1,602		4,762		-		6,364
Substandard		14,644		18,255		-		32,899
Doubtful		-		-		-		-
Total	$	114,374	$	244,794	$	-	$	359,168
Business Banking Credit Exposure
By Internally Assigned Grade:	Small Business						Total
Non-classified	$	68,917					$	68,917
Classified		4,721						4,721
Total	$	73,638					$	73,638
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct		Total
Performing	$	144,230	$	90,193	$	8,176	$	242,599
Nonperforming		290		507		73		870
Total	$	144,520	$	90,700	$	8,249	$	243,469
Residential Mortgage Credit Exposure	Residential
By Payment Activity:	Mortgage						Total
Performing	$	321,631					$	321,631
Nonperforming		3,860						3,860
Total	$	325,491					$	325,491

Credit Quality Indicators
As of December 31, 2012
Commercial Credit Exposure			Commercial				Agricultural
By Internally Assigned Grade:	Commercial		Real Estate		Agricultural		Real Estate		Total
Pass	$	522,985	$	901,928	$	57,347	$	33,472	$	1,515,732
Special Mention		18,401		32,135		13		3		50,552
Substandard		17,351		40,732		6,362		3,902		68,347
Doubtful		2,744		-		36		-		2,780
Total	$	561,481	$	974,795	$	63,758	$	37,377	$	1,637,411
Business Banking. Credit Exposure
By Internally Assigned Grade:	Small Business								Total
Non-classified	$	342,528							$	342,528
Classified		23,432								23,432
Total	$	365,960							$	365,960
Consumer Credit Exposure
By Payment Activity:	Indirect		Home Equity		Direct				Total
Performing	$	978,235	$	567,354	$	66,509			$	1,612,098
Nonperforming		2,762		7,928		350				11,040
Total	$	980,997	$	575,282	$	66,859			$	1,623,138
Residential Mortgage Credit Exposure	Residential
By Payment Activity:	Mortgage								Total
Performing	$	641,608							$	641,608
Nonperforming		9,499								9,499
Total	$	651,107							$	651,107

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 troubled debt restructured loans (“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 scheduled payment amount.

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 by segment or class of loan as applicable, through an allowance estimate or a charge-off to the allowance.  Segment and class status is determined by the loan’s classification at origination.

TDRs that occurred during the three month period ending September 30, 2013 consisted of 9 home equity loans, five residential real estate mortgage, and three commercial loans totaling $0.4 million, $0.3 million, and $6.1 million, respectively.  For all such modifications, the pre and post outstanding recorded investment amount remained unchanged. During the three month period ending September 30, 2013 there was one default on a home equity loan totaling $0.1 million.

There were no TDRs that occurred during the three month period ending September 30, 2012.  During the three month period ending September 30, 2012 there were no defaults on previously modified loans.

TDRs that occurred during the nine month period ending September 30, 2013 consisted of 20 home equity loans, six residential real estate mortgage, and four commercial loans totaling $1.0 million, $0.5 million, and $7.0 million, respectively.  For all such modifications, the pre and post outstanding recorded investment amount remained unchanged.  During the nine month period ending September 30, 2013 there were seven defaults on home equity loans totaling $0.5 million.

TDRs that occurred during the nine month period ending September 30, 2012 consisted of one commercial loan totaling $1.0 million and one residential real estate mortgage totaling $0.2 million.  The pre and post outstanding recorded investment amount remained unchanged.  During the nine month period ending September 30, 2012 there was one default on a home equity loan totaling $25,000 and three residential real estate mortgages totaling $0.4 million that were previously modified.

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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 19,257	$ 14,535	$ 43,822	$ 41,442
Other comprehensive income, net of tax
Unrealized net holding (losses) gains arising during the period (pre-tax amounts of ($6,927), $1,463, (33,391) and $1,798)	(4,184)	878	(20,167)	1,079
Reclassification adjustment for net gains related to securities available for sale included in net income (pre-tax amounts of $329, $26, $1,413 and $578)	(197)	(16)	(848)	(347)
Pension and other benefits:
Amortization of prior service cost and actuarial gains (pre-tax amounts of $709, $989, $2,244 and $2,702)	426	599	1,354	1,626
Increase in unrecognized actuarial gains (pre-tax amounts of $4,036, $0, $4,036 and $0)	2,421	0	2,421	0
Total other comprehensive (loss) income	(1,534)	1,461	(17,240)	2,358
Comprehensive income	$ 17,723	$ 15,996	$ 26,582	$ 43,800

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Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 205,884	$ 157,094
Short-term interest bearing accounts	2,358	6,574
Securities available for sale, at fair value	1,385,734	1,147,999
Securities held to maturity (fair value $115,620 and $61,535, respectively)	118,259	60,563
Trading securities	5,285	3,918
Federal Reserve and Federal Home Loan Bank stock	43,490	29,920
Loans	5,367,231	4,277,616
Less allowance for loan losses	70,184	69,334
Net loans	5,297,047	4,208,282
Premises and equipment, net	86,891	77,875
Goodwill	265,052	152,373
Intangible assets, net	26,857	16,962
Bank owned life insurance	113,821	80,702
Other assets	118,225	99,997
Total assets	7,668,903	6,042,259
Liabilities
Demand (noninterest bearing)	1,595,571	1,242,712
Savings, NOW, and money market	3,343,837	2,558,376
Time	1,063,730	983,261
Total deposits	6,003,138	4,784,349
Short-term borrowings	373,234	162,941
Long-term debt	309,009	367,492
Junior subordinated debt	101,196	75,422
Other liabilities	86,767	69,782
Total liabilities	6,873,344	5,459,986
Stockholders' equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at September 30, 2013 and December 31, 2012	0	0
Common stock, $0.01 par value. Authorized 100,000,000 shares at September 30, 2013 and December 31, 2012; issued 49,651,494 at September 30, 2013 and 39,305,131 at December 31, 2012	497	393
Additional paid-in-capital	573,241	346,692
Retained earnings	377,046	357,558
Accumulated other comprehensive loss	(23,120)	(5,880)
Common stock in treasury, at cost, 6,377,701 and 5,529,781 shares at September 30, 2013 and December 31, 2012, respectively	(132,105)	(116,490)
Total stockholders' equity	795,559	582,273
Total liabilities and stockholders' equity	$ 7,668,903	$ 6,042,259

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Defined Benefit Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2013

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:	2013			2012			2013			2012
Service cost	$	604		$	757		$	6		$	6
Interest cost		830			774			75			40
Expected return on plan assets		(1,929	)		(1,676	)		-			-
Net amortization		711			992			(2	)		(3	)
Total cost (benefit)	$	216		$	847		$	79		$	43
	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
Components of net periodic benefit cost:		2013			2012			2013			2012
Service cost	$	1,813		$	2,270		$	18		$	16
Interest cost		2,489			2,322			224			119
Expected return on plan assets		(5,786	)		(5,026	)		-			-
Net amortization		2,025			2,710			219			(8	)
Total cost (benefit)	$	541		$	2,276		$	461		$	127

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Defined Benefit Postretirement Plans (Policies)

9 Months Ended

Sep. 30, 2013

Defined Benefit Postretirement Plans [Abstract]

Postemployment Benefit Plans, Policy [Policy Text Block]

The Company has a qualified, noncontributory, defined benefit pension plan covering substantially all of its employees at September 30, 2013, including eligible Alliance employees as of March 8, 2013.  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 assumed a noncontributory, defined benefit pension plan in the Alliance acquisition.  This plan covers certain Alliance full-time employees who met eligibility requirements on October 6, 2006, at which time all benefits were frozen.  Under the plan, retirement benefits are primarily a function of both the years of service and the level of compensation.  Effective May 1, 2013, this plan was merged into the NBT Bancorp Inc. Defined Benefit Pension Plan (“the Plan”).  The merging of the plans required a valuation as of the merger date and resulted in a $2.4 million adjustment to accumulated other comprehensive income.  The merging of the plans did not have a significant impact on the Company’s financial statements and related footnotes.  The Company is not required to make contributions to the Plan in 2013, and did not do so during the nine months ended September 30, 2013.

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 Plans 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.  This health care benefits plan is contributory for participating retirees, requiring participants to absorb certain deductibles and coinsurance amounts with contributions adjusted annually to reflect cost sharing provisions and benefit limitations called for in the plan.  Eligibility is contingent upon the direct transition from active employment status to retirement without any break in employment from the Company.  Employees also must be participants in the Company’s medical plan prior to their retirement.  The Company funds the cost of postretirement health care as benefits are paid. The Company elected to recognize the transition obligation on a delayed basis over twenty years.  In addition, the Company assumed post-retirement medical life insurance benefits for certain Alliance employees, retirees and their spouses, if applicable, in the Alliance acquisition. These 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):

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Fair Values Measurements and Fair Value of Financial Instruments (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Securities Available for Sale [Abstract]
Total Securities Available for Sale	$ 1,385,734,000	$ 1,147,999,000
Trading Securities	5,285,000	3,918,000
Liabilities [Abstract]
Collateral dependent impaired financing receivable with specific reserves	6,200,000	8,400,000
Allowance for loan and lease losses collateral dependent impaired loans with specific reserves	1,100,000	2,800,000
Liquidation expense ratio on impaired collateral minimum (in hundredths)	10.00%
Liquidation expense ratio on impaired collateral maximum (in hundredths)	35.00%
Financial assets [Abstract]
Securities held to maturity	115,620,000	61,535,000
Financial liabilities [Abstract]
Time deposits	1,063,730,000	983,261,000
Long-term debt	309,009,000	367,492,000
Trust preferred debentures	101,196,000	75,422,000
Significant Other Observable Inputs (Level 2) [Member] | Carrying Amount [Member]
Financial assets [Abstract]
Securities held to maturity	118,259,000	60,563,000
Financial liabilities [Abstract]
Time deposits	1,063,730,000	983,261,000
Long-term debt	309,009,000	367,492,000
Trust preferred debentures	101,196,000	75,422,000
Significant Other Observable Inputs (Level 2) [Member] | Estimated Fair Value [Member]
Financial assets [Abstract]
Securities held to maturity	115,620,000	61,535,000
Financial liabilities [Abstract]
Time deposits	1,068,888,000	994,376,000
Long-term debt	336,128,000	407,404,000
Trust preferred debentures	103,364,000	74,147,000
Significant Unobservable Inputs (Level 3) [Member] | Carrying Amount [Member]
Financial assets [Abstract]
Net Loans	5,297,047,000	4,208,282,000
Significant Unobservable Inputs (Level 3) [Member] | Estimated Fair Value [Member]
Financial assets [Abstract]
Net Loans	5,358,132,000	4,313,244,000
Recurring Basis [Member]
Securities Available for Sale [Abstract]
U.S. Treasury	43,804,000	64,425,000
Federal Agency	295,194,000	282,814,000
State & municipal	118,602,000	86,802,000
Mortgage-backed	335,206,000	250,281,000
Collateralized mortgage obligations	578,210,000	449,723,000
Other securities	14,718,000	13,954,000
Total Securities Available for Sale	1,385,734,000	1,147,999,000
Trading Securities	5,285,000	3,918,000
Interest Rate Swaps	1,038,000	1,490,000
Total	1,392,057,000	1,153,407,000
Liabilities [Abstract]
Interest Rate Swaps	1,038,000	1,490,000
Total	1,038,000	1,490,000
Recurring Basis [Member] | Quoted Prices in Active Market for Identical Assets (Level I) [Member]
Securities Available for Sale [Abstract]
U.S. Treasury	43,804,000	64,425,000
Federal Agency	0	0
State & municipal	0	0
Mortgage-backed	0	0
Collateralized mortgage obligations	0	0
Other securities	9,671,000	11,866,000
Total Securities Available for Sale	53,475,000	76,291,000
Trading Securities	5,285,000	3,918,000
Interest Rate Swaps	0	0
Total	58,760,000	80,209,000
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	0
Federal Agency	295,194,000	282,814,000
State & municipal	118,602,000	86,802,000
Mortgage-backed	335,206,000	250,281,000
Collateralized mortgage obligations	578,210,000	449,723,000
Other securities	5,047,000	2,088,000
Total Securities Available for Sale	1,332,259,000	1,071,708,000
Trading Securities	0	0
Interest Rate Swaps	1,038,000	1,490,000
Total	1,333,297,000	1,073,198,000
Liabilities [Abstract]
Interest Rate Swaps	1,038,000	1,490,000
Total	1,038,000	1,490,000
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities Available for Sale [Abstract]
U.S. Treasury	0	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

XML

Allowance for Loan Losses and Credit Quality of Loans, Credit Quality by Loan Class (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012 Commercial Credit Exposure [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Pass [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Pass [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Pass [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Special Mention [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Special Mention [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Special Mention [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Substandard [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Substandard [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Substandard [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Doubtful [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Doubtful [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Doubtful [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Non-classified [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Non-classified [Member] ACQUIRED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Classified [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Classified [Member] ACQUIRED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial [Member] Pass [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Pass [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Pass [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial [Member] Special Mention [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Special Mention [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Special Mention [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial [Member] Substandard [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Substandard [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Substandard [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial [Member] Doubtful [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Doubtful [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial [Member] Doubtful [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial Real Estate [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Pass [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Pass [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Pass [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Special Mention [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Special Mention [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Special Mention [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Substandard [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Substandard [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Substandard [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Doubtful [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Doubtful [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Commercial Real Estate [Member] Doubtful [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural [Member] Pass [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Pass [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Pass [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural [Member] Special Mention [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Special Mention [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Special Mention [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural [Member] Substandard [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Substandard [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Substandard [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural [Member] Doubtful [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Doubtful [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural [Member] Doubtful [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural Real Estate [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Pass [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Pass [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Special Mention [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Special Mention [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Substandard [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Substandard [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Doubtful [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Agricultural Real Estate [Member] Doubtful [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Business Banking [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Business Banking [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Business Banking [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Business Banking [Member] Non-classified [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Business Banking [Member] Non-classified [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Business Banking [Member] Non-classified [Member] ORIGINATED [Member]	Dec. 31, 2012 Commercial Credit Exposure [Member] Business Banking [Member] Classified [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Business Banking [Member] Classified [Member] ACQUIRED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Business Banking [Member] Classified [Member] ORIGINATED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Total Small Business Receivable [Member] ORIGINATED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Total Small Business Receivable [Member] Non-classified [Member] ORIGINATED [Member]	Sep. 30, 2013 Commercial Credit Exposure [Member] Total Small Business Receivable [Member] Classified [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Performing [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Performing [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Performing [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Nonperforming [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Nonperforming [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Nonperforming [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Indirect [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Indirect [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Indirect [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Indirect [Member] Performing [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Indirect [Member] Performing [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Indirect [Member] Performing [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Indirect [Member] Nonperforming [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Indirect [Member] Nonperforming [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Indirect [Member] Nonperforming [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Home Equity Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Home Equity Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Home Equity Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Home Equity Member] Performing [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Home Equity Member] Performing [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Home Equity Member] Performing [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Home Equity Member] Nonperforming [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Home Equity Member] Nonperforming [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Home Equity Member] Nonperforming [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Direct [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Direct [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Direct [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Direct [Member] Performing [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Direct [Member] Performing [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Direct [Member] Performing [Member] ORIGINATED [Member]	Dec. 31, 2012 Consumer Credit Exposure [Member] Direct [Member] Nonperforming [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Direct [Member] Nonperforming [Member] ACQUIRED [Member]	Sep. 30, 2013 Consumer Credit Exposure [Member] Direct [Member] Nonperforming [Member] ORIGINATED [Member]	Dec. 31, 2012 Residential Mortgage Credit Exposure [Member]	Sep. 30, 2013 Residential Mortgage Credit Exposure [Member] ACQUIRED [Member]	Sep. 30, 2013 Residential Mortgage Credit Exposure [Member] ORIGINATED [Member]	Dec. 31, 2012 Residential Mortgage Credit Exposure [Member] Performing [Member]	Sep. 30, 2013 Residential Mortgage Credit Exposure [Member] Performing [Member] ACQUIRED [Member]	Sep. 30, 2013 Residential Mortgage Credit Exposure [Member] Performing [Member] ORIGINATED [Member]	Dec. 31, 2012 Residential Mortgage Credit Exposure [Member] Nonperforming [Member]	Sep. 30, 2013 Residential Mortgage Credit Exposure [Member] Nonperforming [Member] ACQUIRED [Member]	Sep. 30, 2013 Residential Mortgage Credit Exposure [Member] Nonperforming [Member] ORIGINATED [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 1,637,411	$ 359,168	$ 1,613,509	$ 1,515,732	$ 319,905	$ 1,568,517	$ 50,552	$ 6,364	$ 10,580	$ 68,347	$ 32,899	$ 34,400	$ 2,780	$ 0	$ 12	$ 342,528	$ 68,917	$ 23,432	$ 4,721	$ 561,481	$ 114,374	$ 594,524	$ 522,985	$ 98,128	$ 574,229	$ 18,401	$ 1,602	$ 10,098	$ 17,351	$ 14,644	$ 10,197	$ 2,744	$ 0	$ 0	$ 974,795	$ 244,794	$ 919,254	$ 901,928	$ 221,777	$ 903,073	$ 32,135	$ 4,762	$ 50	$ 40,732	$ 18,255	$ 16,131	$ 0	$ 0	$ 0	$ 63,758	$ 0	$ 64,792	$ 57,347	$ 0	$ 59,797	$ 13	$ 0	$ 389	$ 6,362	$ 0	$ 4,594	$ 36	$ 0	$ 12	$ 37,377	$ 34,939	$ 33,472	$ 31,418	$ 3	$ 43	$ 3,902	$ 3,478	$ 0	$ 0	$ 365,960	$ 73,638	$ 332,533	$ 342,528	$ 68,917	$ 313,250	$ 23,432	$ 4,721	$ 19,283	$ 332,533	$ 313,250	$ 19,283	$ 1,623,138	$ 243,469	$ 1,716,756	$ 1,612,098	$ 242,599	$ 1,707,155	$ 11,040	$ 870	$ 9,601	$ 980,997	$ 144,520	$ 1,113,816	$ 978,235	$ 144,230	$ 1,111,147	$ 2,762	$ 290	$ 2,669	$ 575,282	$ 90,700	$ 542,322	$ 567,354	$ 90,193	$ 535,589	$ 7,928	$ 507	$ 6,733	$ 66,859	$ 8,249	$ 60,618	$ 66,509	$ 8,176	$ 60,419	$ 350	$ 73	$ 199	$ 651,107	$ 325,491	$ 702,667	$ 641,608	$ 321,631	$ 695,007	$ 9,499	$ 3,860	$ 7,660

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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Commitment to Extend Credits and Unused Lines of Credit [Member]
Guarantor Obligations [Line Items]
Commitments - maximum potential obligation	$ 1,100.0	$ 841.7
Standby Letters of Credit [Member]
Guarantor Obligations [Line Items]
Commitments - maximum potential obligation	40.7	37.5
Obligation instrument term	5 years
Commercial Letters of Credit [Member]
Guarantor Obligations [Line Items]
Commitments - maximum potential obligation	$ 41.5	$ 16.6

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Allowance for Loan Losses and Credit Quality of Loans, Allowance for Loan Losses (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance as of Beginning of Period	$ 71,184,000	$ 70,734,000	$ 69,334,000	$ 71,334,000
Charge-offs	(7,609,000)	(5,830,000)	(20,478,000)	(17,052,000)
Recoveries	1,411,000	1,075,000	4,070,000	3,123,000
Provision	5,198,000	4,755,000	17,258,000	13,329,000
Balance as of Ending of Period	70,184,000	70,734,000	70,184,000	70,734,000
Allowance for loan losses for acquired loan portfolio			0	0
Provision expense and net charge-offs related to acquired loans	47,000		300,000
Allowance loan losses [Abstract]
Allowance for loan losses	70,184,000	70,734,000	70,184,000	70,734,000
Allowance for loans individually evaluated for impairment	1,100,000		1,100,000		2,848,000
Allowance for loans collectively evaluated for impairment	69,084,000		69,084,000		66,486,000
Ending balance of loans	5,367,231,000		5,367,231,000		4,277,616,000
Ending balance of loans individually evaluated for impairment	15,323,000		15,323,000		11,972,000
Ending balance of acquired loans	1,001,766,000		1,001,766,000
Ending balance of loans collectively evaluated for impairment	4,350,142,000		4,350,142,000		4,265,644,000
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance as of Beginning of Period	37,704,000	37,495,000	35,624,000	38,831,000
Charge-offs	(3,489,000)	(1,904,000)	(8,009,000)	(4,685,000)
Recoveries	602,000	492,000	1,485,000	1,180,000
Provision	980,000	1,734,000	6,697,000	2,491,000
Balance as of Ending of Period	35,797,000	37,817,000	35,797,000	37,817,000
Allowance loan losses [Abstract]
Allowance for loan losses	35,797,000	37,817,000	35,797,000	37,817,000
Allowance for loans individually evaluated for impairment	1,100,000		1,100,000		2,848,000
Allowance for loans collectively evaluated for impairment	34,697,000		34,697,000		32,776,000
Ending balance of loans	2,378,848,000		2,378,848,000		2,003,371,000
Ending balance of loans individually evaluated for impairment	15,323,000		15,323,000		11,972,000
Ending balance of acquired loans	432,806,000		432,806,000
Ending balance of loans collectively evaluated for impairment	1,930,719,000		1,930,719,000		1,991,399,000
Commercial Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan portfolio segments			3
Real estate loan amount, percentage of appraised value or purchase price of the property, maximum (in hundredths)	80.00%		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 (in hundredths)	75.00%		75.00%
Allowance loan losses [Abstract]
Ending balance of loans					37,377,000
Commercial Loans [Member] | Business Banking [Member]
Allowance loan losses [Abstract]
Ending balance of loans					365,960,000
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance as of Beginning of Period	26,456,000	27,235,000	27,162,000	26,049,000
Charge-offs	(3,746,000)	(3,446,000)	(11,122,000)	(11,237,000)
Recoveries	733,000	574,000	2,363,000	1,918,000
Provision	3,744,000	2,213,000	8,784,000	9,846,000
Balance as of Ending of Period	27,187,000	26,576,000	27,187,000	26,576,000
Allowance loan losses [Abstract]
Allowance for loan losses	27,187,000	26,576,000	27,187,000	26,576,000
Allowance for loans individually evaluated for impairment	0		0		0
Allowance for loans collectively evaluated for impairment	27,187,000		27,187,000		27,162,000
Ending balance of loans	1,960,225,000		1,960,225,000		1,623,138,000
Ending balance of loans individually evaluated for impairment	0		0		0
Ending balance of acquired loans	243,469,000		243,469,000
Ending balance of loans collectively evaluated for impairment	1,716,756,000		1,716,756,000		1,623,138,000
Consumer Loans [Member] | Business Banking [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Business banking loans, maximum amount	500,000		500,000
Consumer Loans [Member] | Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of automobile financing to indirect relationships with dealers (in hundredths)	75.00%		75.00%
Principal repayment term of loan, minimum			3 years
Principal repayment term of loan, maximum			6 years
Allowance loan losses [Abstract]
Ending balance of loans					980,997,000
Consumer Loans [Member] | Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Home equity loan amount, percentage of equity in home, maximum (in hundredths)	85.00%		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
Allowance loan losses [Abstract]
Ending balance of loans					66,859,000
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 (in hundredths)	85.00%		85.00%
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance as of Beginning of Period	6,806,000	5,943,000	6,252,000	6,249,000
Charge-offs	(374,000)	(480,000)	(1,347,000)	(1,130,000)
Recoveries	76,000	9,000	179,000	25,000
Provision	402,000	809,000	1,826,000	1,137,000
Balance as of Ending of Period	6,910,000	6,281,000	6,910,000	6,281,000
Allowance loan losses [Abstract]
Allowance for loan losses	6,910,000	6,281,000	6,910,000	6,281,000
Allowance for loans individually evaluated for impairment	0		0		0
Allowance for loans collectively evaluated for impairment	6,910,000		6,910,000		6,252,000
Ending balance of loans	1,028,158,000		1,028,158,000		651,107,000
Ending balance of loans individually evaluated for impairment	0		0		0
Ending balance of acquired loans	325,491,000		325,491,000
Ending balance of loans collectively evaluated for impairment	702,667,000		702,667,000		651,107,000
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance as of Beginning of Period	218,000	61,000	296,000	205,000
Charge-offs	0	0	0	0
Recoveries	0	0	43,000	0
Provision	72,000	(1,000)	(49,000)	(145,000)
Balance as of Ending of Period	290,000	60,000	290,000	60,000
Allowance loan losses [Abstract]
Allowance for loan losses	290,000	60,000	290,000	60,000
Allowance for loans collectively evaluated for impairment	$ 290,000		$ 290,000		$ 296,000

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 4. 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 $1.1 billion at September 30, 2013 and $841.7 million at December 31, 2012.  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 $40.7 million at September 30, 2013 and $37.5 million at December 31, 2012.  As of September 30, 2013, 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 $41.5 million at September 30, 2013 and $16.6 million at December 31, 2012.  As of September 30, 2013, the fair value of commercial letters of credit was not significant to the Company’s consolidated financial statements.

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Junior Subordinated Debt (Tables)

9 Months Ended

Sep. 30, 2013

Junior Subordinated Debt [Abstract]

Schedule of Debt of VIE Where Entity is Not Primary Beneficiary

As of September 30, 2013, the Trusts had the following issues of trust preferred debentures, all held by the Trusts, outstanding (dollars in thousands):

Description	Issuance Date	Trust Preferred Securities Outstanding		Interest Rate	Trust Preferred Debt Owed To Trust		Final Maturity Date
CNBF Capital Trust I	August-99	$	18,000	3-month LIBOR plus 2.75%	$	18,720	August-29
NBT Statutory Trust I	November-05		5,000	3-month LIBOR plus 1.40%		5,155	December-35
NBT Statutory Trust II	February-06		50,000	3-month LIBOR plus 1.40%		51,547	March-36
Alliance Financial Capital Trust I	December-03		10,000	3-month LIBOR plus 2.85%		10,310	January-34
Alliance Financial Capital Trust II	September-06		15,000	3-month LIBOR plus 1.65%		15,464	September-36

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Defined Benefit Postretirement Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Transition obligation amortization period			20 years
Pension Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	$ 604	$ 757	$ 1,813	$ 2,270
Interest cost	830	774	2,489	2,322
Expected return on plan assets	(1,929)	(1,676)	(5,786)	(5,026)
Net amortization	711	992	2,025	2,710
Total cost (benefit)	216	847	541	2,276
Other Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	6	6	18	16
Interest cost	75	40	224	119
Expected return on plan assets	0	0	0	0
Net amortization	(2)	(3)	219	(8)
Total cost (benefit)	$ 79	$ 43	$ 461	$ 127

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Defined Benefit Postretirement Plans

9 Months Ended

Sep. 30, 2013

Defined Benefit Postretirement Plans [Abstract]

Defined Benefit Postretirement Plans

Note 7. Defined Benefit Postretirement Plans

The Company has a qualified, noncontributory, defined benefit pension plan covering substantially all of its employees at September 30, 2013, including eligible Alliance employees as of March 8, 2013.  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 assumed a noncontributory, defined benefit pension plan in the Alliance acquisition.  This plan covers certain Alliance full-time employees who met eligibility requirements on October 6, 2006, at which time all benefits were frozen.  Under the plan, retirement benefits are primarily a function of both the years of service and the level of compensation.  Effective May 1, 2013, this plan was merged into the NBT Bancorp Inc. Defined Benefit Pension Plan (“the Plan”).  The merging of the plans required a valuation as of the merger date and resulted in a $2.4 million adjustment to accumulated other comprehensive income.  The merging of the plans did not have a significant impact on the Company’s financial statements and related footnotes.  The Company is not required to make contributions to the Plan in 2013, and did not do so during the nine months ended September 30, 2013.

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 Plans 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.  This health care benefits plan is contributory for participating retirees, requiring participants to absorb certain deductibles and coinsurance amounts with contributions adjusted annually to reflect cost sharing provisions and benefit limitations called for in the plan.  Eligibility is contingent upon the direct transition from active employment status to retirement without any break in employment from the Company.  Employees also must be participants in the Company’s medical plan prior to their retirement.  The Company funds the cost of postretirement health care as benefits are paid. The Company elected to recognize the transition obligation on a delayed basis over twenty years.  In addition, the Company assumed post-retirement medical life insurance benefits for certain Alliance employees, retirees and their spouses, if applicable, in the Alliance acquisition. These 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:	2013			2012			2013			2012
Service cost	$	604		$	757		$	6		$	6
Interest cost		830			774			75			40
Expected return on plan assets		(1,929	)		(1,676	)		-			-
Net amortization		711			992			(2	)		(3	)
Total cost (benefit)	$	216		$	847		$	79		$	43
	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
Components of net periodic benefit cost:		2013			2012			2013			2012
Service cost	$	1,813		$	2,270		$	18		$	16
Interest cost		2,489			2,322			224			119
Expected return on plan assets		(5,786	)		(5,026	)		-			-
Net amortization		2,025			2,710			219			(8	)
Total cost (benefit)	$	541		$	2,276		$	461		$	127

The Company is not required to make contributions to the plans in 2013, and did not do so during the nine months ended September 30, 2013.

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Acquisition

9 Months Ended

Sep. 30, 2013

Acquisition [Abstract]

Acquisition

Note 3. Acquisitions

Alliance Financial Corporation (“Alliance”)

On March 8, 2013, the Company acquired Alliance, the parent company of Alliance Bank, N.A., for total consideration of $226 million.  As part of the acquisition, Alliance was merged with and into the Company and Alliance Bank, with 26 branch locations in the central New York counties of Onondaga, Cortland, Madison, Oneida and Oswego, was merged with and into the Bank.  The merger with Alliance enabled the Company to expand its footprint into demographically attractive and contiguous markets located in the aforementioned New York counties.  Alliance operations were integrated into the Company and were included in the Consolidated Statements of Income from the date of acquisition.

Under the terms of the merger agreement, each outstanding share of Alliance common stock was converted into the right to receive 2.1779 shares of the Company’s common stock.  As a result, Alliance shareholders received 10.3 million shares of Company common stock valued at $226 million.

In connection with the merger, the consideration paid and the fair value of the assets acquired and the liabilities assumed on the date of acquisition are as summarized in the following table, in thousands:

Consideration paid:
NBT Bancorp common stock issued to Alliance common shareholders	$	225,551
Cash in lieu of fractional shares paid to Alliance common shareholders		11
Less treasury shares		5,779
Net consideration paid	$	219,783
Recognized Amounts of Identifiable Assets Acquired and (Liabilities Assumed) At Fair Value:
Cash and short term investments	$	81,060
Securities		320,618
Loans		904,473
Intangible assets		13,161
Other assets		71,589
Deposits		(1,113,420	)
Borrowings		(126,530	)
Trust preferred debentures		(25,774	)
Other liabilities		(18,908	)
Total identifiable net assets	$	106,269
Goodwill	$	113,514

The above recognized amounts of loans, other assets and other liabilities, at fair value, are preliminary estimates and are subject to adjustment but actual amounts are not expected to differ materially from those shown.

The estimated fair value of loans acquired from Alliance was determined by utilizing a methodology wherein similar loans were aggregated into pools.  Cash flows for each pool were determined by estimating future credit losses and the rate of prepayments.  Projected monthly cash flows were then discounted to present value based on a current market rate for similar loans. There was no carryover of Alliance’s allowance for credit losses associated with the loans acquired as loans were initially recorded at fair value.

Information about the acquired loan portfolio as of March 8, 2013 is as follows (in thousands):

Contractually required principal and interest at acquisition	$	908,614
Contractual cash flows not expected to be collected		(15,466	)
Expected cash flows at acquisition		893,148
Interest component of expected cash flows (accretable premium)		11,325
Fair value of acquired loans	$	904,473

The following table presents changes in the accretable discount (in thousands):

Balance at January 1, 2013	$	-
Alliance acquisition		11,325
Accretion recognized to date		(1,950	)
Balance at September 30, 2013	$	9,375

The core deposit and trust intangible assets recognized as part of the Alliance merger are being amortized over their estimated useful lives of approximately 10 and 15 years, respectively, utilizing an accelerated method.  The goodwill, which is not amortized for book purposes, is not deductible for tax purposes.

The fair value of savings and transaction deposit accounts acquired from Alliance was assumed to approximate the carrying value as these accounts have no stated maturity and are payable on demand.  Certificates of deposit were valued by projecting the expected cash flows based on the contractual terms of the certificates of deposit.  These cash flows were discounted based on a current market rate for a certificate of deposit with a corresponding maturity.

The fair value of borrowings, which was comprised of FHLB advances, was determined by obtaining settlement quotes from the FHLB.

Direct costs related to the Alliance acquisition were expensed as incurred and amounted to $12.3 million for the nine months ended September 30, 2013.

The following table presents unaudited pro forma information as if the acquisition had occurred on January 1, 2012 under the “Pro forma” columns.  This pro forma information gives effect to certain adjustments, including purchase accounting fair value adjustments, amortization of core deposit and other intangibles and related income tax effects.  Merger and acquisition integration costs related to the Alliance acquisition are excluded from the periods in which they were incurred.  The pro forma information does not necessarily reflect the results of operations that would have occurred had the Company merged with Alliance at the beginning of 2012.  Cost savings are also not reflected in the unaudited pro forma amounts for the nine months ended September 30, 2012 and 2013.

	Pro forma
	Nine months ended September 30,
	2013		2012
Net interest income	$	182,610	$	182,081
Noninterest income		82,592		78,950
Net income		52,933		48,609

Supplemental financial information regarding the former Alliance operations included in our Consolidated Statement of Income from the date of acquisition through September 30, 2013 has not been provided as it would be impracticable to do so.  The operations of Alliance have been integrated into the Bank’s operations and therefore financial information specific to revenues and expense associated with the former Alliance operations is not accessible.

Other Goodwill Adjustments

During the nine months ended September 30, 2013, the Company recorded a deferred tax adjustment related to the 2012 acquistion of Hampshire First Bank resulting in a decrease in goodwill of approximately $1.0 million.  In addition, the Company recorded a goodwill adjustment of approximately $0.1 million related to the 2012 acquisition of a financial services company.

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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 Income (Loss) [Member]	Common Stock in Treasury [Member]	Total
Beginning Balance at Dec. 31, 2011	$ 380	$ 317,329	$ 329,981	$ (6,104)	$ (103,476)	$ 538,110
Net income	0	0	41,442	0	0	41,442
Cash dividends	0	0	(19,966)	0	0	(19,966)
Purchase of treasury shares	0	0	0	0	(15,490)	(15,490)
Net issuance of shares for acquisition	13	25,811	0	0	0	25,824
Net issuance of shares to employee benefit plans and other stock plans, including tax benefit	0	(764)	(196)	0	1,785	825
Stock-based compensation	0	3,558	0	0	0	3,558
Other comprehensive (loss) income	0	0	0	2,358	0	2,358
Ending Balance at Sep. 30, 2012	393	345,934	351,261	(3,746)	(117,181)	576,661
Beginning Balance at Dec. 31, 2012	393	346,692	357,558	(5,880)	(116,490)	582,273
Net income	0	0	43,822	0	0	43,822
Cash dividends	0	0	(24,334)	0	0	(24,334)
Purchase of treasury shares	0	0	0	0	(12,459)	(12,459)
Net issuance of shares for acquisition	104	225,447	0	0	(5,779)	219,772
Net issuance of shares to employee benefit plans and other stock plans, including tax benefit	0	(2,469)	0	0	2,623	154
Stock-based compensation	0	3,571	0	0	0	3,571
Other comprehensive (loss) income	0	0	0	(17,240)	0	(17,240)
Ending Balance at Sep. 30, 2013	$ 497	$ 573,241	$ 377,046	$ (23,120)	$ (132,105)	$ 795,559

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

9 Months Ended

Sep. 30, 2013

Reclassification Adjustments Out of Other Comprehensive Loss income [Abstract]

Reclassification out of Accumulated Other Comprehensive Income

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

Detail About Accumulated Other Comprehensive (Loss) Income Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income
	Three months ended
	September 30, 2013			September 30, 2012
Available for sale securities:
Gains on available for sale securities	$	(329	)	$	(26	)	Net securities gains
Tax benefit		132			10		Income tax expense
Net of tax	$	(197	)	$	(16	)
Pension and other benefits:
Amortization of net gains	$	765		$	1,044		Salaries and employee benefits
Amortization of prior service costs		(56	)		(55	)	Salaries and employee benefits
Tax expense		283			390		Income tax expense
Net of tax	$	426		$	599
Total reclassifications during the period, net of tax	$	229		$	583
Detail About Accumulated Other Comprehensive (Loss) Income Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income
	Nine months ended
	September 30, 2013			September 30, 2012
Available for sale securities:
Gains on available for sale securities	$	(1,413	)	$	(578	)	Net securities gains
Tax expense		565			231		Income tax expense
Net of tax	$	(848	)	$	(347	)
Pension and other benefits:
Amortization of net gains	$	2,411		$	2,869		Salaries and employee benefits
Amortization of prior service costs		(167	)		(167	)	Salaries and employee benefits
Tax expense		890			1076		Income tax expense
Net of tax	$	1,354		$	1,626
Total reclassifications during the period, net of tax	$	506		$	1,279

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Securities

9 Months Ended

Sep. 30, 2013

Securities [Abstract]

Securities

Note 10. 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, 2013
U.S. Treasury	$	43,359	$	445	$	-	$	43,804
Federal Agency		300,964		369		6,139		295,194
State & municipal		117,936		2,083		1,417		118,602
Mortgage-backed:
Government-sponsored enterprises		303,907		7,652		960		310,599
U.S. government securities		23,613		1,080		86		24,607
Collateralized mortgage obligations:
Government-sponsored enterprises		543,447		1,792		15,211		530,028
U.S. government securities		47,330		914		62		48,182
Other securities		12,367		2,551		200		14,718
Total securities available for sale	$	1,392,923	$	16,886	$	24,075	$	1,385,734
December 31, 2012
U.S. Treasury	$	63,668	$	757	$	-	$	64,425
Federal Agency		281,398		1,507		91		282,814
State & municipal		82,675		4,127		-		86,802
Mortgage-backed:
Government-sponsored enterprises		221,110		11,175		-		232,285
U.S. government securities		16,351		1,645		-		17,996
Collateralized mortgage obligations:
Government-sponsored enterprises		399,147		4,418		-		403,565
U.S. government securities		44,825		1,333		-		46,158
Other securities		11,210		2,832		88		13,954
Total securities available for sale	$	1,120,384	$	27,794	$	179	$	1,147,999

Other securities primarily represent marketable equity securities.

Proceeds from the sales of securities available for sale were $27.6 million during the nine months ended September 30, 2013, and gains on the sales were $1.4 million.  Proceeds from the sales of securities available for sale were $1.8 million during the nine months ended September 30, 2012, and gains on the sales were $0.6 million.  There were no losses on the sales during 2013 or 2012.

Securities with amortized costs totaling $1.2 billion at September 30, 2013 and $0.9 billion at December 31, 2012 were pledged to secure public deposits and for other purposes required or permitted by law.  Additionally, at September 30, 2013 and December 31, 2012, securities with an amortized cost of $222.2 million and $209.0 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:

	Amortized		Unrealized		Unrealized		Estimated
(In thousands)	cost		gains		losses		fair value
September 30, 2013
Mortgage-backed	$	983	$	122	$	-	$	1,105
Collateralized mortgage oblications		63,048		-		3,251		59,797
State & municipal		54,228		490		-		54,718
Total securities held to maturity	$	118,259	$	612	$	3,251	$	115,620
December 31, 2012
Mortgage-backed	$	1,168	$	184	$	-	$	1,352
State & municipal		59,395		788		-		60,183
Total securities held to maturity	$	60,563	$	972	$	-	$	61,535

The following table sets forth information with regard to investment securities with unrealized losses at September 30, 2013 and December 31, 2012:

	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, 2013
Investment securities available for sale:
Federal agency	$	300,964	$	(6,139	)		20	$	-	$	-			-	$	300,964	$	(6,139	)		20
State & municipal		117,936		(1,417	)		189		-		-			-		117,936		(1,417	)		189
Mortgage-backed		327,504		(1,046	)		81		-		-			-		327,504		(1,046	)		81
Collateralized mortgage obligations		590,777		(15,273	)		40		-		-			-		590,777		(15,273	)		40
Other securities		5,523		(170	)		2		218		(30	)		1		5,741		(200	)		3
Total securities with unrealized losses	$	1,342,704	$	(24,045	)		332	$	218	$	(30	)		1	$	1,342,922	$	(24,075	)		333
September 30, 2013
Investment securities held to maturity:
Collateralized mortgage obligations	$	63,048	$	(3,251	)		5	$	-	$	-			-	$	63,048	$	(3,251	)		5
Total securities with unrealized losses	$	63,048	$	(3,251	)		5	$	-	$	-			-	$	63,048	$	(3,251	)		5

	Less than 12 months							12 months or longer							Total
	Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions		Fair Value		Unrealized losses			Number of Positions
December 31, 2012
Investment securities available for sale:
U.S. Treasury	$	-	$	-			-	$	-	$	-			-	$	-	$	-			-
Federal agency		39,906		(91	)		4		-		-			-		39,906		(91	)		4
State & municipal		-		-			-		-		-			-		-		-			-
Mortgage-backed		-		-			-		-		-			-		-		-			-
Collateralized mortgage obligations		23		-			2		-		-			-		23		-			2
Other securities		468		(6	)		1		167		(82	)		1		635		(88	)		2
Total securities with unrealized losses	$	40,397	$	(97	)		7	$	167	$	(82	)		1	$	40,564	$	(179	)		8

Declines in the fair value of held-to-maturity and available-for-sale securities below their cost that are deemed to be other than temporary are reflected in earnings as realized losses or in other comprehensive income, depending on whether the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss.  If the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment shall be recognized in earnings equal to the entire difference between the investment’s amortized cost basis and its fair value at the balance sheet date.  If the Company does not intend to sell the security and it is not more likely than not that the entity will be required to sell the security before recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment shall be separated into (a) the amount representing the credit loss and (b) the amount related to all other factors.  The amount of the total other-than-temporary impairment related to the credit loss shall be recognized in earnings. The amount of the total other-than-temporary impairment related to other factors shall be recognized in other comprehensive income, net of applicable taxes.

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

Management has the intent to hold the securities classified as 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, 2013, management also had 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, 2013, 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, 2013:

(In thousands)	Amortized cost		Estimated fair value
Debt securities classified as available for sale
Within one year	$	26,527	$	26,704
From one to five years		272,953		274,104
From five to ten years		295,191		293,558
After ten years		785,885		776,650
	$	1,380,556	$	1,371,016
Debt securities classified as held to maturity
Within one year	$	25,305	$	25,412
From one to five years		22,364		22,744
From five to ten years		5,054		5,059
After ten years		65,536		62,405
	$	118,259	$	115,620

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

Except for U.S. Government securities, there were no holdings, when taken in the aggregate, of any single issuer that exceeded 10% of consolidated stockholders’ equity at September 30, 2013.

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Earnings Per Share

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share

Note 6. Earnings Per Share

Basic earnings per share excludes dilution and is computed by dividing income available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted 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,	2013		2012
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		43,711		33,619
Net income available to common shareholders		19,257		14,535
Basic EPS	$	0.44	$	0.43
Diluted EPS:
Weighted average common shares outstanding		43,711		33,619
Dilutive effect of common stock options and restricted stock		424		342
Weighted average common shares and common share equivalents		44,135		33,961
Net income available to common shareholders		19,257		14,535
Diluted EPS	$	0.44	$	0.43
Nine months ended September 30,		2013		2012
(in thousands, except per share data)
Basic EPS:
Weighted average common shares outstanding		41,375		33,293
Net income available to common shareholders		43,822		41,442
Basic EPS	$	1.06	$	1.24
Diluted EPS:
Weighted average common shares outstanding		41,375		33,293
Dilutive effect of common stock options and restricted stock		394		333
Weighted average common shares and common share equivalents		41,769		33,626
Net income available to common shareholders		43,822		41,442
Diluted EPS	$	1.05	$	1.23

There were 972,403 stock options for the quarter ended September 30, 2013 and 1,176,670 stock options for the quarter ended September 30, 2012 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 1,157,135 stock options for the nine months ended September 30, 2013 and 1,197,417 stock options for the nine months ended September 30, 2012 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 (Policies)

9 Months Ended

Sep. 30, 2013

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

Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]

Allowance for Loan Losses

The allowance for loan losses is maintained at a level estimated by management to provide adequately for risk of probable 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).  Prior to 2013, separate disclosures for acquired loans were not significant and were included with originated loans in the Company’s asset quality disclosures.  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 – 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 and is generally less liquid than real estate. 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 property which generally consists of real estate 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 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 fixed home equity loans as well as 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 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 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.

For acquired loans, to the extent that we experience deterioration in borrower credit quality resulting in a decrease in our expected cash flows subsequent to acquisition of the loans, an allowance for loan losses would be established based on our estimate of future credit losses over the remaining life of the loans.  As of September 30, 2013 and 2012, there was no allowance for loan losses for the acquired loan portfolio. Net charge-offs related to acquired loans totaled approximately $47,000 and $0.3 million during the three and nine months ended September 30, 2013, respectively, and are included in the table above.

Credit Quality of Loans

Loans are placed on nonaccrual status when timely collection of principal and interest in accordance with contractual terms is doubtful. Loans are transferred to nonaccrual status generally when principal or interest payments become ninety days delinquent, unless the loan is well secured and in the process of collection, or sooner when management concludes 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.  When in the opinion of management the collection of principal appears unlikely, the loan balance is charged-off in total or in part.  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.

Impaired Loans

The methodology used to establish the allowance for loan losses on impaired loans incorporates specific allocations on loans analyzed individually.  Classified loans with outstanding balances of $0.5 million or more 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 or 3) the loan’s observable market price.  All impaired loans are reviewed on a quarterly basis for changes in the measurement 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 credit losses.

Credit Quality Indicators [Policy Text Block]

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.

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.

Loans and Leases Receivable, Troubled Debt Restructuring Policy [Policy Text Block]

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 troubled debt restructured loans (“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 scheduled payment amount.

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 by segment or class of loan as applicable, through an allowance estimate or a charge-off to the allowance.  Segment and class status is determined by the loan’s classification at origination.

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Reclassification Adjustments Out of Other Comprehensive (Loss) Income

9 Months Ended

Sep. 30, 2013

Reclassification Adjustments Out of Other Comprehensive Loss income [Abstract]

Reclassification Adjustments Out of Other Comprehensive (Loss) Income

Note 11. Reclassification Adjustments Out of Other Comprehensive (Loss) Income

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

Detail About Accumulated Other Comprehensive (Loss) Income Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income
	Three months ended
	September 30, 2013			September 30, 2012
Available for sale securities:
Gains on available for sale securities	$	(329	)	$	(26	)	Net securities gains
Tax benefit		132			10		Income tax expense
Net of tax	$	(197	)	$	(16	)
Pension and other benefits:
Amortization of net gains	$	765		$	1,044		Salaries and employee benefits
Amortization of prior service costs		(56	)		(55	)	Salaries and employee benefits
Tax expense		283			390		Income tax expense
Net of tax	$	426		$	599
Total reclassifications during the period, net of tax	$	229		$	583
Detail About Accumulated Other Comprehensive (Loss) Income Components	Amount reclassified from accumulated other comprehensive income (loss)						Affected line item in the consolidated statement of comprehensive income
	Nine months ended
	September 30, 2013			September 30, 2012
Available for sale securities:
Gains on available for sale securities	$	(1,413	)	$	(578	)	Net securities gains
Tax expense		565			231		Income tax expense
Net of tax	$	(848	)	$	(347	)
Pension and other benefits:
Amortization of net gains	$	2,411		$	2,869		Salaries and employee benefits
Amortization of prior service costs		(167	)		(167	)	Salaries and employee benefits
Tax expense		890			1076		Income tax expense
Net of tax	$	1,354		$	1,626
Total reclassifications during the period, net of tax	$	506		$	1,279

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Document and Entity Information	9 Months Ended
	Sep. 30, 2013	Oct. 31, 2013
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		43,315,895
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2013

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Description of Business (Policies)

9 Months Ended

Sep. 30, 2013

Description of Business [Abstract]

Nature of Operations [Policy Text Block]

Description of Business

NBT Bancorp Inc. (the “Registrant”) is a registered financial holding company incorporated in the State of Delaware in 1986, with its principal headquarters located in Norwich, New York. The Registrant is the parent holding company of NBT Bank, N.A. (the “Bank”), NBT Financial Services, Inc. (“NBT Financial”), NBT Holdings, Inc. (“NBT Holdings”), CNBF Capital Trust I, NBT Statutory Trust I, NBT Statutory Trust II, Alliance Financial Capital Trust I and Alliance Financial Capital Trust II (the “Trusts”).  Through the Bank, the Company is focused on community banking operations.  Through NBT Financial, the Company operates EPIC Advisors, Inc. (“EPIC”), a retirement plan administrator.  Through NBT Holdings, the Company operates Mang Insurance Agency, LLC (“Mang”), a full-service insurance agency.  The Trusts were organized to raise additional regulatory capital and to provide funding for certain acquisitions. The Registrant’s primary business consists of providing commercial banking and financial services to customers in its market area. The principal assets of the Registrant are all of the outstanding shares of common stock of its direct subsidiaries, and its principal sources of revenue are the management fees and dividends it receives from the Bank, NBT Financial, and NBT Holdings.

The Bank is a full service commercial bank formed in 1856, which provides a broad range of financial products to individuals, corporations and municipalities throughout the central and upstate New York, northeastern Pennsylvania, northwestern Vermont, western Massachusetts, and southern New Hampshire market areas.