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Allowance for Loan Losses and Credit Quality of Loans, Past Due Loans (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Minimum number of days past due for nonaccrual loan status | 90 days |
Total past due accruing | $ 34,955 | $ 41,730
Nonaccrual | 25,426 | 25,708
Current | 6,586,743 | 6,517,335
Recorded total loans | 6,647,124 | 6,584,773
31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 23,678 | 29,662
61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 8,343 | 6,658
Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,934 | 5,410
Commercial Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Recorded total loans | 3,048,003 | 3,028,269
Consumer Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Recorded total loans | 2,266,054 | 2,234,809
Residential Real Estate Mortgages [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Recorded total loans | 1,333,067 | 1,321,695
Originated Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 33,311 | 39,945
Nonaccrual | 22,780 | 23,336
Current | 6,213,324 | 6,119,801
Recorded total loans | 6,269,415 | 6,183,082
Originated Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 22,199 | 28,383
Originated Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 8,229 | 6,397
Originated Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,883 | 5,165
Originated Loans [Member] | Commercial Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 4,848 | 3,413
Nonaccrual | 12,622 | 12,463
Current | 2,857,613 | 2,825,080
Recorded total loans | 2,875,083 | 2,840,956
Originated Loans [Member] | Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,783 | 2,678
Originated Loans [Member] | Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,065 | 735
Originated Loans [Member] | Commercial Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 | 0
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,907 |
Nonaccrual | 1,196 |
Current | 784,845 |
Recorded total loans | 787,948 |
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 639 |
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,268 |
Originated Loans [Member] | Commercial Loans [Member] | C&I [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 28 |
Nonaccrual | 5,232 |
Current | 1,600,096 |
Recorded total loans | 1,605,356 |
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 28 |
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Originated Loans [Member] | Commercial Loans [Member] | CRE [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Nonaccrual |  | 202
Current |  | 753,577
Recorded total loans |  | 753,779
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Commercial [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 299
Nonaccrual |  | 3,178
Current |  | 1,533,065
Recorded total loans |  | 1,536,542
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 161
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 138
Originated Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 117
Nonaccrual |  | 1,043
Current |  | 34,386
Recorded total loans |  | 35,546
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 117
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 493
Nonaccrual |  | 2,736
Current |  | 30,905
Recorded total loans |  | 34,134
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 493
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Agricultural Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,913 | 2,504
Nonaccrual | 6,194 | 5,304
Current | 472,672 | 473,147
Recorded total loans | 481,779 | 480,955
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,116 | 1,907
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 797 | 597
Originated Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 | 0
Originated Loans [Member] | Consumer Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 24,236 | 30,873
Nonaccrual | 4,671 | 4,886
Current | 2,196,481 | 2,155,144
Recorded total loans | 2,225,388 | 2,190,903
Originated Loans [Member] | Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 17,027 | 21,975
Originated Loans [Member] | Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 4,529 | 4,995
Originated Loans [Member] | Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,680 | 3,903
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 26,272
Nonaccrual |  | 2,115
Current |  | 1,642,664
Recorded total loans |  | 1,671,051
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 18,747
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 4,033
Originated Loans [Member] | Consumer Loans [Member] | Indirect [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 3,492
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 13,757 |
Nonaccrual | 2,201 |
Current | 1,224,238 |
Recorded total loans | 1,240,196 |
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 10,850 |
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,920 |
Originated Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 987 |
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 3,717 |
Nonaccrual | 2,470 |
Current | 507,331 |
Recorded total loans | 513,518 |
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,334 |
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 982 |
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 401 |
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 6,762 |
Nonaccrual | 0 |
Current | 464,912 |
Recorded total loans | 471,674 |
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 3,843 |
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,627 |
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,292 |
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 4,082
Nonaccrual |  | 2,736
Current |  | 448,081
Recorded total loans |  | 454,899
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 2,887
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 854
Originated Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 341
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 519
Nonaccrual |  | 35
Current |  | 64,399
Recorded total loans |  | 64,953
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 341
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 108
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 70
Originated Loans [Member] | Residential Real Estate Mortgages [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 4,227 | 5,659
Nonaccrual | 5,487 | 5,987
Current | 1,159,230 | 1,139,577
Recorded total loans | 1,168,944 | 1,151,223
Originated Loans [Member] | Residential Real Estate Mortgages [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 2,389 | 3,730
Originated Loans [Member] | Residential Real Estate Mortgages [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,635 | 667
Originated Loans [Member] | Residential Real Estate Mortgages [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 203 | 1,262
Acquired Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,644 | 1,785
Nonaccrual | 2,646 | 2,372
Current | 373,419 | 397,534
Recorded total loans | 377,709 | 401,691
Acquired Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 1,479 | 1,279
Acquired Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 114 | 261
Acquired Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 51 | 245
Acquired Loans [Member] | Commercial Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 548 | 354
Nonaccrual | 675 | 671
Current | 171,697 | 186,288
Recorded total loans | 172,920 | 187,313
Acquired Loans [Member] | Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 539 | 354
Acquired Loans [Member] | Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 9 | 0
Acquired Loans [Member] | Commercial Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 | 0
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Nonaccrual | 0 |
Current | 33,484 |
Recorded total loans | 33,484 |
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Commercial Loans [Member] | C&I [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Nonaccrual | 2 |
Current | 97,463 |
Recorded total loans | 97,465 |
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Commercial Loans [Member] | CRE [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Nonaccrual |  | 0
Current |  | 39,575
Recorded total loans |  | 39,575
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Nonaccrual |  | 2
Current |  | 106,632
Recorded total loans |  | 106,634
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Commercial Loans [Member] | Commercial Real Estate [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 548 | 354
Nonaccrual | 673 | 669
Current | 40,750 | 40,081
Recorded total loans | 41,971 | 41,104
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 539 | 354
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 9 | 0
Acquired Loans [Member] | Commercial Loans [Member] | Business Banking [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 | 0
Acquired Loans [Member] | Consumer Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 429 | 438
Nonaccrual | 296 | 270
Current | 39,941 | 43,198
Recorded total loans | 40,666 | 43,906
Acquired Loans [Member] | Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 375 | 298
Acquired Loans [Member] | Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 3 | 35
Acquired Loans [Member] | Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 51 | 105
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 39
Nonaccrual |  | 22
Current |  | 1,157
Recorded total loans |  | 1,218
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 38
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 0
Acquired Loans [Member] | Consumer Loans [Member] | Indirect [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 1
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 10 |
Nonaccrual | 15 |
Current | 577 |
Recorded total loans | 602 |
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 7 |
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 3 |
Acquired Loans [Member] | Consumer Loans [Member] | Dealer Finance [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 |
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 419 | 8
Nonaccrual | 281 | 23
Current | 39,364 | 2,785
Recorded total loans | 40,064 | 2,816
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 368 | 6
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 0 | 1
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 51 | 1
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 391
Nonaccrual |  | 225
Current |  | 39,256
Recorded total loans |  | 39,872
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 254
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 34
Acquired Loans [Member] | Consumer Loans [Member] | Home Equity [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing |  | 103
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Recorded total loans |  | 2,816
Acquired Loans [Member] | Residential Real Estate Mortgages [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 667 | 993
Nonaccrual | 1,675 | 1,431
Current | 161,781 | 168,048
Recorded total loans | 164,123 | 170,472
Acquired Loans [Member] | Residential Real Estate Mortgages [Member] | 31-60 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 565 | 627
Acquired Loans [Member] | Residential Real Estate Mortgages [Member] | 61-90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | 102 | 226
Acquired Loans [Member] | Residential Real Estate Mortgages [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total past due accruing | $ 0 | $ 140

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- Definition The threshold period past due for a loan to be considered nonperforming, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
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