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Allowance for Credit Losses and Credit Quality of Loans, Credit Quality Indicators (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Dec. 31, 2023
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 by Vintage [Abstract] |  |  |  |
2024/2023 | $ 801,104 |  | $ 801,104 | $ 1,444,621
2023/2022 | 1,364,956 |  | 1,364,956 | 1,989,711
2022/2021 | 1,817,999 |  | 1,817,999 | 1,688,309
2021/2020 | 1,537,785 |  | 1,537,785 | 1,019,863
2020/2019 | 946,156 |  | 946,156 | 692,961
Prior | 2,320,798 |  | 2,320,798 | 1,840,266
Revolving Loans Amortized Cost Basis | 977,043 |  | 977,043 | 920,868
Revolving Loans Converted to Term | 88,506 |  | 88,506 | 54,114
Total | 9,854,347 |  | 9,854,347 | 9,650,713
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | (212) | (1,161)
2023/2022 |  |  | (1,062) | (9,878)
2022/2021 |  |  | (5,247) | (9,586)
2021/2020 |  |  | (3,503) | (1,830)
2020/2019 |  |  | (643) | (1,805)
Prior |  |  | (1,640) | (2,518)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total | (5,627) | $ (5,149) | (12,307) | (26,778)
C&I [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 150,734 |  | 150,734 | 231,165
2023/2022 | 208,080 |  | 208,080 | 274,930
2022/2021 | 227,388 |  | 227,388 | 243,881
2021/2020 | 209,249 |  | 209,249 | 161,857
2020/2019 | 141,246 |  | 141,246 | 76,826
Prior | 123,476 |  | 123,476 | 71,313
Revolving Loans Amortized Cost Basis | 384,152 |  | 384,152 | 333,003
Revolving Loans Converted to Term | 14,354 |  | 14,354 | 4,530
Total | 1,458,679 |  | 1,458,679 | 1,397,505
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | 0 | (24)
2023/2022 |  |  | (58) | (3,021)
2022/2021 |  |  | (915) | (5)
2021/2020 |  |  | (4) | (86)
2020/2019 |  |  | 0 | 0
Prior |  |  | (307) | (600)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total |  |  | (1,284) | (3,736)
C&I [Member] | Pass [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 149,845 |  | 149,845 | 229,249
2023/2022 | 199,272 |  | 199,272 | 270,796
2022/2021 | 219,561 |  | 219,561 | 241,993
2021/2020 | 207,165 |  | 207,165 | 158,051
2020/2019 | 136,993 |  | 136,993 | 74,469
Prior | 115,577 |  | 115,577 | 63,826
Revolving Loans Amortized Cost Basis | 338,577 |  | 338,577 | 299,248
Revolving Loans Converted to Term | 13,847 |  | 13,847 | 2,923
Total | 1,380,837 |  | 1,380,837 | 1,340,555
C&I [Member] | Special Mention [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 557 |  | 557 | 420
2023/2022 | 4,909 |  | 4,909 | 1,672
2022/2021 | 5,531 |  | 5,531 | 277
2021/2020 | 434 |  | 434 | 3,524
2020/2019 | 4,003 |  | 4,003 | 87
Prior | 1,892 |  | 1,892 | 1,854
Revolving Loans Amortized Cost Basis | 25,194 |  | 25,194 | 19,489
Revolving Loans Converted to Term | 370 |  | 370 | 0
Total | 42,890 |  | 42,890 | 27,323
C&I [Member] | Substandard [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 332 |  | 332 | 1,496
2023/2022 | 3,800 |  | 3,800 | 2,461
2022/2021 | 2,295 |  | 2,295 | 1,609
2021/2020 | 1,631 |  | 1,631 | 282
2020/2019 | 250 |  | 250 | 2,266
Prior | 5,997 |  | 5,997 | 5,632
Revolving Loans Amortized Cost Basis | 20,381 |  | 20,381 | 14,266
Revolving Loans Converted to Term | 137 |  | 137 | 1,607
Total | 34,823 |  | 34,823 | 29,619
C&I [Member] | Doubtful [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 0 |  | 0 | 0
2023/2022 | 99 |  | 99 | 1
2022/2021 | 1 |  | 1 | 2
2021/2020 | 19 |  | 19 | 0
2020/2019 | 0 |  | 0 | 4
Prior | 10 |  | 10 | 1
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 0
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 129 |  | 129 | 8
CRE [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 232,839 |  | 232,839 | 357,108
2023/2022 | 370,404 |  | 370,404 | 523,404
2022/2021 | 521,845 |  | 521,845 | 594,415
2021/2020 | 549,632 |  | 549,632 | 460,311
2020/2019 | 439,555 |  | 439,555 | 340,767
Prior | 1,067,972 |  | 1,067,972 | 816,067
Revolving Loans Amortized Cost Basis | 317,096 |  | 317,096 | 307,971
Revolving Loans Converted to Term | 54,559 |  | 54,559 | 33,705
Total | 3,553,902 |  | 3,553,902 | 3,433,748
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | 0 | 0
2023/2022 |  |  | 0 | 0
2022/2021 |  |  | 0 | 0
2021/2020 |  |  | 0 | 0
2020/2019 |  |  | 0 | (114)
Prior |  |  | 0 | (304)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total |  |  | 0 | (418)
CRE [Member] | Pass [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 231,892 |  | 231,892 | 353,161
2023/2022 | 358,866 |  | 358,866 | 518,201
2022/2021 | 492,938 |  | 492,938 | 561,897
2021/2020 | 523,952 |  | 523,952 | 452,110
2020/2019 | 432,230 |  | 432,230 | 327,804
Prior | 975,497 |  | 975,497 | 739,189
Revolving Loans Amortized Cost Basis | 311,534 |  | 311,534 | 294,039
Revolving Loans Converted to Term | 54,559 |  | 54,559 | 33,705
Total | 3,381,468 |  | 3,381,468 | 3,280,106
CRE [Member] | Special Mention [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 947 |  | 947 | 3,577
2023/2022 | 9,375 |  | 9,375 | 4,472
2022/2021 | 10,017 |  | 10,017 | 10,711
2021/2020 | 7,754 |  | 7,754 | 7,055
2020/2019 | 4,035 |  | 4,035 | 9,967
Prior | 31,354 |  | 31,354 | 39,460
Revolving Loans Amortized Cost Basis | 4,288 |  | 4,288 | 2,970
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 67,770 |  | 67,770 | 78,212
CRE [Member] | Substandard [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 0 |  | 0 | 370
2023/2022 | 2,163 |  | 2,163 | 731
2022/2021 | 18,890 |  | 18,890 | 21,807
2021/2020 | 17,926 |  | 17,926 | 1,146
2020/2019 | 3,290 |  | 3,290 | 2,996
Prior | 61,121 |  | 61,121 | 37,418
Revolving Loans Amortized Cost Basis | 1,274 |  | 1,274 | 10,962
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 104,664 |  | 104,664 | 75,430
Auto [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 318,428 |  | 318,428 | 474,901
2023/2022 | 393,476 |  | 393,476 | 364,757
2022/2021 | 300,196 |  | 300,196 | 158,081
2021/2020 | 121,213 |  | 121,213 | 42,834
2020/2019 | 29,947 |  | 29,947 | 45,712
Prior | 31,002 |  | 31,002 | 13,145
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 12
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 1,194,262 |  | 1,194,262 | 1,099,442
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | (21) | (102)
2023/2022 |  |  | (591) | (1,183)
2022/2021 |  |  | (913) | (1,066)
2021/2020 |  |  | (499) | (340)
2020/2019 |  |  | (35) | (301)
Prior |  |  | (225) | (295)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total |  |  | (2,284) | (3,287)
Auto [Member] | Performing [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 318,277 |  | 318,277 | 474,369
2023/2022 | 392,472 |  | 392,472 | 363,516
2022/2021 | 299,349 |  | 299,349 | 157,251
2021/2020 | 120,481 |  | 120,481 | 42,644
2020/2019 | 29,789 |  | 29,789 | 45,406
Prior | 30,820 |  | 30,820 | 13,071
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 12
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 1,191,188 |  | 1,191,188 | 1,096,269
Auto [Member] | Nonperforming [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 151 |  | 151 | 532
2023/2022 | 1,004 |  | 1,004 | 1,241
2022/2021 | 847 |  | 847 | 830
2021/2020 | 732 |  | 732 | 190
2020/2019 | 158 |  | 158 | 306
Prior | 182 |  | 182 | 74
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 0
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 3,074 |  | 3,074 | 3,173
Residential Solar [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 1,803 |  | 1,803 | 155,425
2023/2022 | 132,372 |  | 132,372 | 431,692
2022/2021 | 413,902 |  | 413,902 | 179,044
2021/2020 | 173,446 |  | 173,446 | 65,400
2020/2019 | 61,393 |  | 61,393 | 46,601
Prior | 78,967 |  | 78,967 | 39,593
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 0
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 861,883 |  | 861,883 | 917,755
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | 0 | (150)
2023/2022 |  |  | (143) | (1,930)
2022/2021 |  |  | (2,036) | (923)
2021/2020 |  |  | (251) | (45)
2020/2019 |  |  | (34) | (558)
Prior |  |  | (492) | (345)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total |  |  | (2,956) | (3,951)
Residential Solar [Member] | Performing [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 1,803 |  | 1,803 | 155,425
2023/2022 | 132,249 |  | 132,249 | 430,855
2022/2021 | 413,160 |  | 413,160 | 178,839
2021/2020 | 173,286 |  | 173,286 | 65,382
2020/2019 | 61,333 |  | 61,333 | 46,554
Prior | 78,887 |  | 78,887 | 39,540
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 0
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 860,718 |  | 860,718 | 916,595
Residential Solar [Member] | Nonperforming [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 0 |  | 0 | 0
2023/2022 | 123 |  | 123 | 837
2022/2021 | 742 |  | 742 | 205
2021/2020 | 160 |  | 160 | 18
2020/2019 | 60 |  | 60 | 47
Prior | 80 |  | 80 | 53
Revolving Loans Amortized Cost Basis | 0 |  | 0 | 0
Revolving Loans Converted to Term | 0 |  | 0 | 0
Total | 1,165 |  | 1,165 | 1,160
Other Consumer [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Overdrawn deposit related to gross charge-offs reported as 2022 originations |  |  |  | 200
Overdrawn deposit related to gross charge-offs reported as 2023 originations |  |  | 200 | 800
Overdrawn deposit related to gross charge-offs reported as 2024 originations |  |  | 200 |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 10,904 |  | 10,904 | 13,089
2023/2022 | 9,032 |  | 9,032 | 27,638
2022/2021 | 18,791 |  | 18,791 | 58,561
2021/2020 | 39,865 |  | 39,865 | 21,231
2020/2019 | 15,431 |  | 15,431 | 14,604
Prior | 22,040 |  | 22,040 | 16,125
Revolving Loans Amortized Cost Basis | 22,057 |  | 22,057 | 19,046
Revolving Loans Converted to Term | 11 |  | 11 | 66
Total | 138,131 |  | 138,131 | 170,360
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | (191) | (885)
2023/2022 |  |  | (270) | (3,744)
2022/2021 |  |  | (1,383) | (7,511)
2021/2020 |  |  | (2,749) | (1,329)
2020/2019 |  |  | (574) | (832)
Prior |  |  | (502) | (568)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total |  |  | (5,669) | (14,869)
Other Consumer [Member] | Performing [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 10,904 |  | 10,904 | 13,089
2023/2022 | 9,020 |  | 9,020 | 27,394
2022/2021 | 18,664 |  | 18,664 | 57,876
2021/2020 | 39,443 |  | 39,443 | 21,087
2020/2019 | 15,264 |  | 15,264 | 14,548
Prior | 21,743 |  | 21,743 | 15,964
Revolving Loans Amortized Cost Basis | 22,044 |  | 22,044 | 19,042
Revolving Loans Converted to Term | 3 |  | 3 | 21
Total | 137,085 |  | 137,085 | 169,021
Other Consumer [Member] | Nonperforming [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 0 |  | 0 | 0
2023/2022 | 12 |  | 12 | 244
2022/2021 | 127 |  | 127 | 685
2021/2020 | 422 |  | 422 | 144
2020/2019 | 167 |  | 167 | 56
Prior | 297 |  | 297 | 161
Revolving Loans Amortized Cost Basis | 13 |  | 13 | 4
Revolving Loans Converted to Term | 8 |  | 8 | 45
Total | 1,046 |  | 1,046 | 1,339
Residential [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 86,396 |  | 86,396 | 212,933
2023/2022 | 251,592 |  | 251,592 | 367,290
2022/2021 | 335,877 |  | 335,877 | 454,327
2021/2020 | 444,380 |  | 444,380 | 268,230
2020/2019 | 258,584 |  | 258,584 | 168,451
Prior | 997,341 |  | 997,341 | 884,023
Revolving Loans Amortized Cost Basis | 253,738 |  | 253,738 | 260,836
Revolving Loans Converted to Term | 19,582 |  | 19,582 | 15,813
Total | 2,647,490 |  | 2,647,490 | 2,631,903
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 |  |  | 0 | 0
2023/2022 |  |  | 0 | 0
2022/2021 |  |  | 0 | (81)
2021/2020 |  |  | 0 | (30)
2020/2019 |  |  | 0 | 0
Prior |  |  | (114) | (406)
Revolving Loans Amortized Cost Basis |  |  | 0 | 0
Revolving Loans Converted to Term |  |  | 0 | 0
Total | 0 | $ (105) | (114) | (517)
Residential [Member] | Performing [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 86,396 |  | 86,396 | 212,799
2023/2022 | 250,760 |  | 250,760 | 366,860
2022/2021 | 335,011 |  | 335,011 | 453,206
2021/2020 | 442,457 |  | 442,457 | 267,845
2020/2019 | 258,291 |  | 258,291 | 167,860
Prior | 989,436 |  | 989,436 | 876,563
Revolving Loans Amortized Cost Basis | 253,709 |  | 253,709 | 260,836
Revolving Loans Converted to Term | 19,582 |  | 19,582 | 15,300
Total | 2,635,642 |  | 2,635,642 | 2,621,269
Residential [Member] | Nonperforming [Member] |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |
2024/2023 | 0 |  | 0 | 134
2023/2022 | 832 |  | 832 | 430
2022/2021 | 866 |  | 866 | 1,121
2021/2020 | 1,923 |  | 1,923 | 385
2020/2019 | 293 |  | 293 | 591
Prior | 7,905 |  | 7,905 | 7,460
Revolving Loans Amortized Cost Basis | 29 |  | 29 | 0
Revolving Loans Converted to Term | 0 |  | 0 | 513
Total | $ 11,848 |  | $ 11,848 | $ 10,634

X
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