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Allowance for Credit Losses and Credit Quality of Loans, Past Due Loans (Details) $ in Thousands | Jun. 30, 2020 USD ($) Relationship | Mar. 31, 2020 USD ($) Relationship | Dec. 31, 2019 USD ($)
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Allowance for Credit Losses and Credit Quality of Loans [Abstract] |  |  |
Individually evaluated loans, number of relationships | Relationship | 0 | 1 |
Individually evaluated loans, amortized cost |  | $ 4,200 |
Individually evaluated loans, allowance for credit losses |  | $ 2,100 |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | $ 22,426 |  | $ 34,803
Nonaccrual | 25,567 |  | 25,174
Current | 7,579,998 |  | 7,076,121
Recorded total loans | 7,627,991 |  | 7,136,098
Loans in non-accrual without an allowance for credit losses | 0 |  |
31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 14,931 |  | 25,610
61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 5,438 |  | 5,476
Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 2,057 |  | 3,717
Commercial Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 2,247 |  |
Nonaccrual | 11,542 |  |
Current | 3,961,153 |  |
Recorded total loans | 3,974,942 |  |
Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 921 |  |
Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,236 |  |
Commercial Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 90 |  |
Commercial Loans [Member] | Commercial & Industrial [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 679 |  |
Nonaccrual | 2,992 |  |
Current | 1,125,180 |  |
Recorded total loans | 1,128,851 |  |
Commercial Loans [Member] | Commercial & Industrial [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 550 |  |
Commercial Loans [Member] | Commercial & Industrial [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 39 |  |
Commercial Loans [Member] | Commercial & Industrial [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 90 |  |
Commercial Loans [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,568 |  |
Nonaccrual | 8,550 |  |
Current | 2,325,876 |  |
Recorded total loans | 2,335,994 |  |
Commercial Loans [Member] | Commercial Real Estate [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 371 |  |
Commercial Loans [Member] | Commercial Real Estate [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,197 |  |
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 |  |
Commercial Loans [Member] | Paycheck Protection Plan [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 0 |  |
Nonaccrual | 0 |  |
Current | 510,097 |  |
Recorded total loans | 510,097 |  |
Commercial Loans [Member] | Paycheck Protection Plan [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 0 |  |
Commercial Loans [Member] | Paycheck Protection Plan [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 0 |  |
Commercial Loans [Member] | Paycheck Protection Plan [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 0 |  |
Consumer Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 14,001 |  |
Nonaccrual | 2,695 |  |
Current | 1,624,340 |  |
Recorded total loans | 1,641,036 |  |
Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 9,322 |  |
Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 2,964 |  |
Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,715 |  |
Consumer Loans [Member] | Auto [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 8,103 |  |
Nonaccrual | 2,452 |  |
Current | 1,038,232 |  |
Recorded total loans | 1,048,787 |  |
Consumer Loans [Member] | Auto [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 6,012 |  |
Consumer Loans [Member] | Auto [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,418 |  |
Consumer Loans [Member] | Auto [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 673 |  |
Consumer Loans [Member] | Other Consumer [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 5,898 |  |
Nonaccrual | 243 |  |
Current | 586,108 |  |
Recorded total loans | 592,249 |  |
Consumer Loans [Member] | Other Consumer [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 3,310 |  |
Consumer Loans [Member] | Other Consumer [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,546 |  |
Consumer Loans [Member] | Other Consumer [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,042 |  |
Residential [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 6,178 |  |
Nonaccrual | 11,330 |  |
Current | 1,994,505 |  |
Recorded total loans | 2,012,013 |  |
Residential [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 4,688 |  |
Residential [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | 1,238 |  |
Residential [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing | $ 252 |  |
Originated Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 32,917
Nonaccrual |  |  | 23,581
Current |  |  | 6,814,722
Recorded total loans |  |  | 6,871,220
Originated Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 24,353
Originated Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 5,111
Originated Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 3,453
Originated Loans [Member] | Commercial Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 5,759
Nonaccrual |  |  | 13,059
Current |  |  | 3,310,182
Recorded total loans |  |  | 3,329,000
Originated Loans [Member] | Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 5,597
Originated Loans [Member] | Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 162
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
Originated Loans [Member] | Commercial Loans [Member] | Commercial & Industrial [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 1,227
Nonaccrual |  |  | 1,177
Current |  |  | 838,502
Recorded total loans |  |  | 840,906
Originated Loans [Member] | Commercial Loans [Member] | Commercial & Industrial [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 1,227
Originated Loans [Member] | Commercial Loans [Member] | Commercial & Industrial [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 & Industrial [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 |  |  | 3,576
Nonaccrual |  |  | 4,847
Current |  |  | 1,941,143
Recorded total loans |  |  | 1,949,566
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 |  |  | 3,576
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 |  |  | 0
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] | Business Banking [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 956
Nonaccrual |  |  | 7,035
Current |  |  | 530,537
Recorded total loans |  |  | 538,528
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 |  |  | 794
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 |  |  | 162
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
Originated Loans [Member] | Consumer Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 25,126
Nonaccrual |  |  | 4,650
Current |  |  | 2,193,167
Recorded total loans |  |  | 2,222,943
Originated Loans [Member] | Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 17,577
Originated Loans [Member] | Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 4,759
Originated Loans [Member] | Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 2,790
Originated Loans [Member] | Consumer Loans [Member] | Indirect Auto [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 14,973
Nonaccrual |  |  | 2,175
Current |  |  | 1,176,487
Recorded total loans |  |  | 1,193,635
Originated Loans [Member] | Consumer Loans [Member] | Indirect Auto [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 11,860
Originated Loans [Member] | Consumer Loans [Member] | Indirect Auto [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 2,108
Originated Loans [Member] | Consumer Loans [Member] | Indirect Auto [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 1,005
Originated Loans [Member] | Consumer Loans [Member] | Specialty Lending [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 6,547
Nonaccrual |  |  | 0
Current |  |  | 535,516
Recorded total loans |  |  | 542,063
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 |  |  | 3,153
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 |  |  | 2,087
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 |  |  | 1,307
Originated Loans [Member] | Consumer Loans [Member] | Direct [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 3,606
Nonaccrual |  |  | 2,475
Current |  |  | 481,164
Recorded total loans |  |  | 487,245
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 |  |  | 2,564
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 |  |  | 564
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 |  |  | 478
Originated Loans [Member] | Residential [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 2,032
Nonaccrual |  |  | 5,872
Current |  |  | 1,311,373
Recorded total loans |  |  | 1,319,277
Originated Loans [Member] | Residential [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 1,179
Originated Loans [Member] | Residential [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 190
Originated Loans [Member] | Residential [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 663
Acquired Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 1,886
Nonaccrual |  |  | 1,593
Current |  |  | 261,399
Recorded total loans |  |  | 264,878
Acquired Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 1,257
Acquired Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 365
Acquired Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 264
Acquired Loans [Member] | Commercial Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 833
Nonaccrual |  |  | 382
Current |  |  | 114,051
Recorded total loans |  |  | 115,266
Acquired Loans [Member] | Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 546
Acquired Loans [Member] | Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 287
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
Acquired Loans [Member] | Commercial Loans [Member] | Commercial & Industrial [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 149
Nonaccrual |  |  | 0
Current |  |  | 19,215
Recorded total loans |  |  | 19,364
Acquired Loans [Member] | Commercial Loans [Member] | Commercial & Industrial [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 149
Acquired Loans [Member] | Commercial Loans [Member] | Commercial & Industrial [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 & Industrial [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 |  |  | 0
Current |  |  | 60,937
Recorded total loans |  |  | 60,937
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 |  |  | 684
Nonaccrual |  |  | 382
Current |  |  | 33,899
Recorded total loans |  |  | 34,965
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 |  |  | 397
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 |  |  | 287
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
Acquired Loans [Member] | Consumer Loans [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 194
Nonaccrual |  |  | 105
Current |  |  | 23,434
Recorded total loans |  |  | 23,733
Acquired Loans [Member] | Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 136
Acquired Loans [Member] | Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 58
Acquired Loans [Member] | Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 0
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 194
Nonaccrual |  |  | 105
Current |  |  | 23,434
Recorded total loans |  |  | 23,733
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 |  |  | 136
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 |  |  | 58
Acquired Loans [Member] | Consumer Loans [Member] | Direct [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 0
Acquired Loans [Member] | Residential [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 859
Nonaccrual |  |  | 1,106
Current |  |  | 123,914
Recorded total loans |  |  | 125,879
Acquired Loans [Member] | Residential [Member] | 31-60 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 575
Acquired Loans [Member] | Residential [Member] | 61-90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | 20
Acquired Loans [Member] | Residential [Member] | Greater Than 90 Days Past Due Accruing [Member] |  |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |  |
Total past due accruing |  |  | $ 264

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