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Allowance for Credit Losses and Credit Quality of Loans, Credit Quality Indicators (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Minimum number of days past due for loans to be considered nonperforming | 90 days |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | $ 2,045,326 | $ 1,927,429
2020/2019 | 1,179,768 | 1,312,819
2019/2018 | 993,265 | 949,810
2018/2017 | 680,836 | 750,728
2017/2016 | 528,706 | 515,688
Prior | 1,294,841 | 1,262,066
Revolving Loans Amortized Cost Basis | 703,846 | 749,657
Revolving Loans Converted to Term | 71,871 | 30,688
Total | 7,498,459 | 7,498,885
C&I [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 337,315 | 352,323
2020/2019 | 226,060 | 195,227
2019/2018 | 126,268 | 106,502
2018/2017 | 66,928 | 50,153
2017/2016 | 25,460 | 35,040
Prior | 36,529 | 39,712
Revolving Loans Amortized Cost Basis | 295,823 | 346,233
Revolving Loans Converted to Term | 16,287 | 426
Total | 1,130,670 | 1,125,616
C&I [Member] | Pass [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 335,685 | 331,921
2020/2019 | 219,931 | 182,329
2019/2018 | 114,617 | 91,230
2018/2017 | 64,310 | 41,856
2017/2016 | 20,137 | 32,625
Prior | 32,146 | 32,609
Revolving Loans Amortized Cost Basis | 280,476 | 322,674
Revolving Loans Converted to Term | 15,731 | 412
Total | 1,083,033 | 1,035,656
C&I [Member] | Special Mention [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 148 | 20,064
2020/2019 | 5,255 | 6,534
2019/2018 | 4,641 | 5,053
2018/2017 | 2,430 | 4,702
2017/2016 | 2,699 | 1,624
Prior | 1,111 | 2,830
Revolving Loans Amortized Cost Basis | 11,835 | 13,614
Revolving Loans Converted to Term | 522 | 0
Total | 28,641 | 54,421
C&I [Member] | Substandard [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 1,482 | 338
2020/2019 | 874 | 6,364
2019/2018 | 7,010 | 10,219
2018/2017 | 187 | 3,388
2017/2016 | 2,582 | 791
Prior | 3,272 | 4,272
Revolving Loans Amortized Cost Basis | 3,512 | 9,945
Revolving Loans Converted to Term | 34 | 14
Total | 18,953 | 35,331
C&I [Member] | Doubtful [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 0 | 0
2020/2019 | 0 | 0
2019/2018 | 0 | 0
2018/2017 | 1 | 207
2017/2016 | 42 | 0
Prior | 0 | 1
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 43 | 208
CRE [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 490,089 | 472,506
2020/2019 | 435,769 | 412,425
2019/2018 | 386,151 | 296,712
2018/2017 | 252,752 | 342,604
2017/2016 | 278,885 | 255,045
Prior | 534,088 | 496,867
Revolving Loans Amortized Cost Basis | 142,891 | 115,926
Revolving Loans Converted to Term | 44,362 | 20,200
Total | 2,564,987 | 2,412,285
CRE [Member] | Pass [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 489,300 | 469,919
2020/2019 | 434,866 | 361,187
2019/2018 | 370,377 | 256,154
2018/2017 | 236,274 | 271,874
2017/2016 | 251,082 | 212,197
Prior | 441,310 | 383,690
Revolving Loans Amortized Cost Basis | 141,367 | 113,128
Revolving Loans Converted to Term | 43,942 | 4,034
Total | 2,408,518 | 2,072,183
CRE [Member] | Special Mention [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 789 | 2,051
2020/2019 | 826 | 44,034
2019/2018 | 11,235 | 22,260
2018/2017 | 3,544 | 55,039
2017/2016 | 15,379 | 36,830
Prior | 53,372 | 43,537
Revolving Loans Amortized Cost Basis | 780 | 1,297
Revolving Loans Converted to Term | 420 | 11,524
Total | 86,345 | 216,572
CRE [Member] | Substandard [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 0 | 536
2020/2019 | 77 | 5,307
2019/2018 | 4,539 | 18,298
2018/2017 | 12,934 | 15,691
2017/2016 | 12,424 | 6,018
Prior | 34,563 | 62,168
Revolving Loans Amortized Cost Basis | 744 | 1,501
Revolving Loans Converted to Term | 0 | 4,642
Total | 65,281 | 114,161
CRE [Member] | Doubtful [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 0 | 0
2020/2019 | 0 | 1,897
2019/2018 | 0 | 0
2018/2017 | 0 | 0
2017/2016 | 0 | 0
Prior | 4,843 | 7,472
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 4,843 | 9,369
PPP [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 92,884 | 430,810
2020/2019 | 8,338 | 0
2019/2018 | 0 | 0
2018/2017 | 0 | 0
2017/2016 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 101,222 | 430,810
PPP [Member] | Pass [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 92,884 | 430,810
2020/2019 | 8,338 | 0
2019/2018 | 0 | 0
2018/2017 | 0 | 0
2017/2016 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 101,222 | 430,810
Auto [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 352,083 | 198,240
2020/2019 | 129,738 | 315,174
2019/2018 | 184,416 | 202,985
2018/2017 | 101,852 | 116,502
2017/2016 | 46,273 | 45,932
Prior | 12,146 | 13,250
Revolving Loans Amortized Cost Basis | 0 | 22
Revolving Loans Converted to Term | 0 | 0
Total | 826,508 | 892,105
Auto [Member] | Performing [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 351,778 | 197,881
2020/2019 | 129,419 | 314,034
2019/2018 | 183,959 | 201,850
2018/2017 | 101,441 | 115,977
2017/2016 | 46,007 | 45,495
Prior | 12,064 | 13,250
Revolving Loans Amortized Cost Basis | 0 | 22
Revolving Loans Converted to Term | 0 | 0
Total | 824,668 | 888,509
Auto [Member] | Nonperforming [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 305 | 359
2020/2019 | 319 | 1,140
2019/2018 | 457 | 1,135
2018/2017 | 411 | 525
2017/2016 | 266 | 437
Prior | 82 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,840 | 3,596
Other Consumer [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 427,617 | 234,967
2020/2019 | 151,729 | 178,829
2019/2018 | 116,700 | 127,856
2018/2017 | 78,657 | 55,941
2017/2016 | 29,943 | 14,345
Prior | 15,693 | 17,547
Revolving Loans Amortized Cost Basis | 19,029 | 18,598
Revolving Loans Converted to Term | 22 | 71
Total | 839,390 | 648,154
Other Consumer [Member] | Performing [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 427,401 | 234,628
2020/2019 | 151,300 | 178,411
2019/2018 | 116,451 | 127,549
2018/2017 | 78,523 | 55,676
2017/2016 | 29,705 | 14,255
Prior | 15,660 | 17,414
Revolving Loans Amortized Cost Basis | 19,011 | 18,588
Revolving Loans Converted to Term | 1 | 71
Total | 838,052 | 646,592
Other Consumer [Member] | Nonperforming [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 216 | 339
2020/2019 | 429 | 418
2019/2018 | 249 | 307
2018/2017 | 134 | 265
2017/2016 | 238 | 90
Prior | 33 | 133
Revolving Loans Amortized Cost Basis | 18 | 10
Revolving Loans Converted to Term | 21 | 0
Total | 1,338 | 1,562
Residential [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 345,338 | 238,583
2020/2019 | 228,134 | 211,164
2019/2018 | 179,730 | 215,755
2018/2017 | 180,647 | 185,528
2017/2016 | 148,145 | 165,326
Prior | 696,385 | 694,690
Revolving Loans Amortized Cost Basis | 246,103 | 268,878
Revolving Loans Converted to Term | 11,200 | 9,991
Total | 2,035,682 | 1,989,915
Residential [Member] | Performing [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 345,338 | 237,338
2020/2019 | 226,723 | 210,505
2019/2018 | 179,087 | 213,437
2018/2017 | 179,575 | 182,993
2017/2016 | 146,611 | 164,424
Prior | 687,863 | 684,495
Revolving Loans Amortized Cost Basis | 246,103 | 268,878
Revolving Loans Converted to Term | 11,161 | 9,991
Total | 2,022,461 | 1,972,061
Residential [Member] | Nonperforming [Member] |  |
Credit Quality by Loan Class [Abstract] |  |
2021/2020 | 0 | 1,245
2020/2019 | 1,411 | 659
2019/2018 | 643 | 2,318
2018/2017 | 1,072 | 2,535
2017/2016 | 1,534 | 902
Prior | 8,522 | 10,195
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 39 | 0
Total | $ 13,221 | $ 17,854

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