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EX-31.1 - EXHIBIT 31.1 - NBT BANCORP INCex31_1.htm
EX-32.1 - EXHIBIT 32.1 - NBT BANCORP INCex32_1.htm
EX-3.1 - EXHIBIT 3.1 - NBT BANCORP INCex3_1.htm
EX-32.2 - EXHIBIT 32.2 - NBT BANCORP INCex32_2.htm
EX-31.2 - EXHIBIT 31.2 - NBT BANCORP INCex31_2.htm
10-Q - NBT BANCORP INC 10-Q 6-30-2015 - NBT BANCORP INCform10q.htm
v3.2.0.727
Label Element Value
Gain on the sale of equity investment us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal $ 0
Gain on the sale of equity investment us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal 19,401
Amortization of intangible assets us-gaap_AmortizationOfIntangibleAssets 1,187
Amortization of intangible assets us-gaap_AmortizationOfIntangibleAssets 1,236
Provision for loan losses us-gaap_ProvisionForLoanAndLeaseLosses 3,898
Provision for loan losses us-gaap_ProvisionForLoanAndLeaseLosses 4,166
Acquired Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 741,659
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 5,675
Originated Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 4,827,816
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 20,121
Commercial Portfolio Segment [Member] | Acquired Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 327,656
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 5,675
Commercial Portfolio Segment [Member] | Originated Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 2,129,292
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 11,079
Commercial Real Estate Other Receivable [Member] | Acquired Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 189,838
Financing Receivable, Net us-gaap_NotesReceivableNet 199,888
Commercial Real Estate Other Receivable [Member] | Acquired Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 170,931
Financing Receivable, Net us-gaap_NotesReceivableNet 186,036
Commercial Real Estate Other Receivable [Member] | Acquired Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 2,646
Financing Receivable, Net us-gaap_NotesReceivableNet 6,081
Commercial Real Estate Other Receivable [Member] | Acquired Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 11,206
Financing Receivable, Net us-gaap_NotesReceivableNet 12,826
Commercial Real Estate Other Receivable [Member] | Originated Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 1,068,868
Financing Receivable, Net us-gaap_NotesReceivableNet 1,156,955
Commercial Real Estate Other Receivable [Member] | Originated Loans [Member] | Doubtful [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Commercial Real Estate Other Receivable [Member] | Originated Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 1,023,856
Financing Receivable, Net us-gaap_NotesReceivableNet 1,100,065
Commercial Real Estate Other Receivable [Member] | Originated Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 17,341
Financing Receivable, Net us-gaap_NotesReceivableNet 26,706
Commercial Real Estate Other Receivable [Member] | Originated Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 27,671
Financing Receivable, Net us-gaap_NotesReceivableNet 30,184
Consumer Credit Exposure [Member] | Acquired Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 147,256
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 0
Consumer Credit Exposure [Member] | Originated Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 1,853,226
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 5,498
Residential Portfolio Segment [Member] | Acquired Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 266,747
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 0
Residential Portfolio Segment [Member] | Originated Loans [Member]  
Financing Receivable, Collectively Evaluated for Impairment us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 845,298
Financing Receivable, Individually Evaluated for Impairment us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 3,544
Agricultural Financing Receivable [Member] | Acquired Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Agricultural Financing Receivable [Member] | Acquired Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Agricultural Financing Receivable [Member] | Acquired Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Agricultural Financing Receivable [Member] | Acquired Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Agricultural Financing Receivable [Member] | Originated Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 32,815
Financing Receivable, Net us-gaap_NotesReceivableNet 32,947
Agricultural Financing Receivable [Member] | Originated Loans [Member] | Doubtful [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 8
Financing Receivable, Net us-gaap_NotesReceivableNet 8
Agricultural Financing Receivable [Member] | Originated Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 30,481
Financing Receivable, Net us-gaap_NotesReceivableNet 31,935
Agricultural Financing Receivable [Member] | Originated Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 275
Financing Receivable, Net us-gaap_NotesReceivableNet 49
Agricultural Financing Receivable [Member] | Originated Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 2,183
Financing Receivable, Net us-gaap_NotesReceivableNet 823
Agricultural Real Estate Financing Receivable [Member] | Originated Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 24,974
Financing Receivable, Net us-gaap_NotesReceivableNet 26,724
Agricultural Real Estate Financing Receivable [Member] | Originated Loans [Member] | Doubtful [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Agricultural Real Estate Financing Receivable [Member] | Originated Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 23,443
Financing Receivable, Net us-gaap_NotesReceivableNet 25,462
Agricultural Real Estate Financing Receivable [Member] | Originated Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 37
Financing Receivable, Net us-gaap_NotesReceivableNet 42
Agricultural Real Estate Financing Receivable [Member] | Originated Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 1,225
Financing Receivable, Net us-gaap_NotesReceivableNet 1,489
Commercial Financing Receivable [Member] | Acquired Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 75,264
Financing Receivable, Net us-gaap_NotesReceivableNet 77,662
Commercial Financing Receivable [Member] | Acquired Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 63,630
Financing Receivable, Net us-gaap_NotesReceivableNet 72,110
Commercial Financing Receivable [Member] | Acquired Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 2,840
Financing Receivable, Net us-gaap_NotesReceivableNet 908
Commercial Financing Receivable [Member] | Acquired Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 4,644
Financing Receivable, Net us-gaap_NotesReceivableNet 8,794
Commercial Financing Receivable [Member] | Originated Loans [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 615,147
Financing Receivable, Net us-gaap_NotesReceivableNet 630,115
Commercial Financing Receivable [Member] | Originated Loans [Member] | Doubtful [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Financing Receivable, Net us-gaap_NotesReceivableNet 0
Commercial Financing Receivable [Member] | Originated Loans [Member] | Pass [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 570,884
Financing Receivable, Net us-gaap_NotesReceivableNet 579,259
Commercial Financing Receivable [Member] | Originated Loans [Member] | Special Mention [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 11,834
Financing Receivable, Net us-gaap_NotesReceivableNet 6,022
Commercial Financing Receivable [Member] | Originated Loans [Member] | Substandard [Member] | Commercial Portfolio Segment [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 38,241
Financing Receivable, Net us-gaap_NotesReceivableNet 39,022
Direct Financing Receivable Member [Member] | Acquired Loans [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 4,229
Financing Receivable, Net us-gaap_NotesReceivableNet 5,317
Direct Financing Receivable Member [Member] | Acquired Loans [Member] | Nonperforming Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 40
Financing Receivable, Net us-gaap_NotesReceivableNet 44
Direct Financing Receivable Member [Member] | Acquired Loans [Member] | Performing Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 4,185
Financing Receivable, Net us-gaap_NotesReceivableNet 5,277
Direct Financing Receivable Member [Member] | Originated Loans [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 54,452
Financing Receivable, Net us-gaap_NotesReceivableNet 55,794
Direct Financing Receivable Member [Member] | Originated Loans [Member] | Nonperforming Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 136
Financing Receivable, Net us-gaap_NotesReceivableNet 165
Direct Financing Receivable Member [Member] | Originated Loans [Member] | Performing Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 54,287
Financing Receivable, Net us-gaap_NotesReceivableNet 55,658
Home Equity Financing Receivables [Member] | Acquired Loans [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 72,270
Financing Receivable, Net us-gaap_NotesReceivableNet 76,716
Home Equity Financing Receivables [Member] | Acquired Loans [Member] | Nonperforming Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 562
Financing Receivable, Net us-gaap_NotesReceivableNet 622
Home Equity Financing Receivables [Member] | Acquired Loans [Member] | Performing Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 71,648
Financing Receivable, Net us-gaap_NotesReceivableNet 76,154
Home Equity Financing Receivables [Member] | Originated Loans [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 477,968
Financing Receivable, Net us-gaap_NotesReceivableNet 492,880
Home Equity Financing Receivables [Member] | Originated Loans [Member] | Nonperforming Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 5,554
Financing Receivable, Net us-gaap_NotesReceivableNet 7,417
Home Equity Financing Receivables [Member] | Originated Loans [Member] | Performing Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 472,414
Financing Receivable, Net us-gaap_NotesReceivableNet 485,463
Indirect Financing Receivable [Member] | Acquired Loans [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 43,817
Financing Receivable, Net us-gaap_NotesReceivableNet 65,223
Indirect Financing Receivable [Member] | Acquired Loans [Member] | Nonperforming Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 125
Financing Receivable, Net us-gaap_NotesReceivableNet 160
Indirect Financing Receivable [Member] | Acquired Loans [Member] | Performing Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 43,692
Financing Receivable, Net us-gaap_NotesReceivableNet 65,063
Indirect Financing Receivable [Member] | Originated Loans [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 1,310,050
Financing Receivable, Net us-gaap_NotesReceivableNet 1,398,804
Indirect Financing Receivable [Member] | Originated Loans [Member] | Nonperforming Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 2,803
Financing Receivable, Net us-gaap_NotesReceivableNet 3,955
Indirect Financing Receivable [Member] | Originated Loans [Member] | Performing Financing Receivable [Member] | Consumer Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 1,306,095
Financing Receivable, Net us-gaap_NotesReceivableNet 1,396,001
Small Business Financing Receivable [Member] | Acquired Loans [Member] | Business Banking Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 51,918
Financing Receivable, Net us-gaap_NotesReceivableNet 58,179
Small Business Financing Receivable [Member] | Acquired Loans [Member] | Classified [Member] | Business Banking Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 4,372
Financing Receivable, Net us-gaap_NotesReceivableNet 4,915
Small Business Financing Receivable [Member] | Acquired Loans [Member] | Non classified [Member] | Business Banking Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 47,546
Financing Receivable, Net us-gaap_NotesReceivableNet 53,264
Small Business Financing Receivable [Member] | Originated Loans [Member] | Business Banking Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 398,435
Financing Receivable, Net us-gaap_NotesReceivableNet 399,563
Small Business Financing Receivable [Member] | Originated Loans [Member] | Classified [Member] | Business Banking Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 16,547
Financing Receivable, Net us-gaap_NotesReceivableNet 18,990
Small Business Financing Receivable [Member] | Originated Loans [Member] | Non classified [Member] | Business Banking Credit Exposure [Member]  
Financing Receivable, Net us-gaap_NotesReceivableNet 379,445
Financing Receivable, Net us-gaap_NotesReceivableNet $ 383,016