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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, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
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] |  |  |  |  |
2025/2024 | $ 696,449 |  | $ 696,449 |  | $ 1,444,390
2024/2023 | 1,458,830 |  | 1,458,830 |  | 1,217,572
2023/2022 | 1,312,964 |  | 1,312,964 |  | 1,799,431
2022/2021 | 1,942,132 |  | 1,942,132 |  | 1,426,865
2021/2020 | 1,542,681 |  | 1,542,681 |  | 875,399
Prior | 3,337,766 |  | 3,337,766 |  | 2,133,000
Revolving Loans Amortized Cost Basis | 1,279,667 |  | 1,279,667 |  | 997,401
Revolving Loans Converted to Term | 54,191 |  | 54,191 |  | 75,852
Total | 11,624,680 |  | 11,624,680 |  | 9,969,910
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | (266) |  | (876)
2024/2023 |  |  | (1,115) |  | (2,471)
2023/2022 |  |  | (1,415) |  | (9,194)
2022/2021 |  |  | (3,713) |  | (8,352)
2021/2020 |  |  | (2,160) |  | (1,353)
Prior |  |  | (3,917) |  | (3,482)
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total | (4,431) | $ (5,627) | (12,586) | $ (12,307) | (25,728)
C&I [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 139,031 |  | 139,031 |  | 258,515
2024/2023 | 269,735 |  | 269,735 |  | 174,007
2023/2022 | 181,441 |  | 181,441 |  | 185,741
2022/2021 | 189,804 |  | 189,804 |  | 181,034
2021/2020 | 165,548 |  | 165,548 |  | 119,306
Prior | 206,355 |  | 206,355 |  | 106,641
Revolving Loans Amortized Cost Basis | 521,612 |  | 521,612 |  | 395,256
Revolving Loans Converted to Term | 1,097 |  | 1,097 |  | 9,713
Total | 1,674,623 |  | 1,674,623 |  | 1,430,213
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | 0 |  | 0
2024/2023 |  |  | 0 |  | (99)
2023/2022 |  |  | (132) |  | (1,063)
2022/2021 |  |  | (16) |  | (162)
2021/2020 |  |  | (25) |  | 0
Prior |  |  | (482) |  | (1,352)
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total |  |  | (655) |  | (2,676)
C&I [Member] | Pass [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 139,021 |  | 139,021 |  | 255,824
2024/2023 | 259,544 |  | 259,544 |  | 166,780
2023/2022 | 173,387 |  | 173,387 |  | 180,095
2022/2021 | 174,017 |  | 174,017 |  | 177,839
2021/2020 | 160,303 |  | 160,303 |  | 118,826
Prior | 195,002 |  | 195,002 |  | 101,755
Revolving Loans Amortized Cost Basis | 452,804 |  | 452,804 |  | 349,443
Revolving Loans Converted to Term | 967 |  | 967 |  | 3,588
Total | 1,555,045 |  | 1,555,045 |  | 1,354,150
C&I [Member] | Special Mention [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 272
2024/2023 | 7,827 |  | 7,827 |  | 3,265
2023/2022 | 4,803 |  | 4,803 |  | 3,461
2022/2021 | 11,206 |  | 11,206 |  | 1,639
2021/2020 | 1,400 |  | 1,400 |  | 307
Prior | 9,507 |  | 9,507 |  | 1,008
Revolving Loans Amortized Cost Basis | 36,582 |  | 36,582 |  | 22,582
Revolving Loans Converted to Term | 0 |  | 0 |  | 4,374
Total | 71,325 |  | 71,325 |  | 36,908
C&I [Member] | Substandard [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 10 |  | 10 |  | 2,419
2024/2023 | 2,364 |  | 2,364 |  | 3,895
2023/2022 | 3,169 |  | 3,169 |  | 2,183
2022/2021 | 4,531 |  | 4,531 |  | 1,555
2021/2020 | 3,838 |  | 3,838 |  | 173
Prior | 1,846 |  | 1,846 |  | 3,878
Revolving Loans Amortized Cost Basis | 32,226 |  | 32,226 |  | 23,231
Revolving Loans Converted to Term | 130 |  | 130 |  | 1,751
Total | 48,114 |  | 48,114 |  | 39,085
C&I [Member] | Doubtful [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 0
2024/2023 | 0 |  | 0 |  | 67
2023/2022 | 82 |  | 82 |  | 2
2022/2021 | 50 |  | 50 |  | 1
2021/2020 | 7 |  | 7 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 139 |  | 139 |  | 70
CRE [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 174,904 |  | 174,904 |  | 417,408
2024/2023 | 490,033 |  | 490,033 |  | 368,983
2023/2022 | 493,674 |  | 493,674 |  | 593,611
2022/2021 | 749,882 |  | 749,882 |  | 539,685
2021/2020 | 636,982 |  | 636,982 |  | 421,409
Prior | 1,641,362 |  | 1,641,362 |  | 990,610
Revolving Loans Amortized Cost Basis | 395,976 |  | 395,976 |  | 317,272
Revolving Loans Converted to Term | 37,178 |  | 37,178 |  | 47,162
Total | 4,619,991 |  | 4,619,991 |  | 3,696,140
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | 0 |  | 0
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 0 |  | (2,366)
2021/2020 |  |  | 0 |  | 0
Prior |  |  | (2,100) |  | 0
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total |  |  | (2,100) |  | (2,366)
CRE [Member] | Pass [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 167,358 |  | 167,358 |  | 414,835
2024/2023 | 473,837 |  | 473,837 |  | 352,834
2023/2022 | 473,593 |  | 473,593 |  | 550,682
2022/2021 | 672,518 |  | 672,518 |  | 514,134
2021/2020 | 602,447 |  | 602,447 |  | 414,737
Prior | 1,483,106 |  | 1,483,106 |  | 912,693
Revolving Loans Amortized Cost Basis | 370,254 |  | 370,254 |  | 314,574
Revolving Loans Converted to Term | 37,178 |  | 37,178 |  | 45,940
Total | 4,280,291 |  | 4,280,291 |  | 3,520,429
CRE [Member] | Special Mention [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 5,564 |  | 5,564 |  | 2,573
2024/2023 | 2,239 |  | 2,239 |  | 14,406
2023/2022 | 8,778 |  | 8,778 |  | 23,747
2022/2021 | 65,041 |  | 65,041 |  | 7,440
2021/2020 | 16,558 |  | 16,558 |  | 4,310
Prior | 55,830 |  | 55,830 |  | 16,888
Revolving Loans Amortized Cost Basis | 23,939 |  | 23,939 |  | 2,044
Revolving Loans Converted to Term | 0 |  | 0 |  | 1,222
Total | 177,949 |  | 177,949 |  | 72,630
CRE [Member] | Substandard [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 1,982 |  | 1,982 |  | 0
2024/2023 | 13,957 |  | 13,957 |  | 1,743
2023/2022 | 11,303 |  | 11,303 |  | 19,182
2022/2021 | 12,323 |  | 12,323 |  | 18,111
2021/2020 | 17,977 |  | 17,977 |  | 2,362
Prior | 102,426 |  | 102,426 |  | 61,029
Revolving Loans Amortized Cost Basis | 1,783 |  | 1,783 |  | 654
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 161,751 |  | 161,751 |  | 103,081
Auto [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 316,143 |  | 316,143 |  | 558,411
2024/2023 | 458,009 |  | 458,009 |  | 322,528
2023/2022 | 258,757 |  | 258,757 |  | 238,942
2022/2021 | 181,679 |  | 181,679 |  | 90,602
2021/2020 | 62,563 |  | 62,563 |  | 20,038
Prior | 16,730 |  | 16,730 |  | 14,385
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 1,293,881 |  | 1,293,881 |  | 1,244,906
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | (31) |  | (141)
2024/2023 |  |  | (723) |  | (1,478)
2023/2022 |  |  | (774) |  | (1,610)
2022/2021 |  |  | (817) |  | (837)
2021/2020 |  |  | (413) |  | (116)
Prior |  |  | (151) |  | (347)
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total |  |  | (2,909) |  | (4,529)
Auto [Member] | Performing [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 316,061 |  | 316,061 |  | 557,817
2024/2023 | 457,230 |  | 457,230 |  | 321,545
2023/2022 | 257,740 |  | 257,740 |  | 238,232
2022/2021 | 181,044 |  | 181,044 |  | 90,143
2021/2020 | 62,272 |  | 62,272 |  | 19,931
Prior | 16,621 |  | 16,621 |  | 14,284
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 1,290,968 |  | 1,290,968 |  | 1,241,952
Auto [Member] | Nonperforming [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 82 |  | 82 |  | 594
2024/2023 | 779 |  | 779 |  | 983
2023/2022 | 1,017 |  | 1,017 |  | 710
2022/2021 | 635 |  | 635 |  | 459
2021/2020 | 291 |  | 291 |  | 107
Prior | 109 |  | 109 |  | 101
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 2,913 |  | 2,913 |  | 2,954
Residential Solar [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 2,718 |  | 2,718 |  | 4,381
2024/2023 | 2,333 |  | 2,333 |  | 121,968
2023/2022 | 114,752 |  | 114,752 |  | 398,899
2022/2021 | 384,162 |  | 384,162 |  | 166,506
2021/2020 | 159,851 |  | 159,851 |  | 56,692
Prior | 117,049 |  | 117,049 |  | 71,633
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 780,865 |  | 780,865 |  | 820,079
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | 0 |  | 0
2024/2023 |  |  | 0 |  | (530)
2023/2022 |  |  | (417) |  | (4,441)
2022/2021 |  |  | (2,269) |  | (716)
2021/2020 |  |  | (615) |  | (201)
Prior |  |  | (536) |  | (694)
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total |  |  | (3,837) |  | (6,582)
Residential Solar [Member] | Performing [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 2,718 |  | 2,718 |  | 4,381
2024/2023 | 2,333 |  | 2,333 |  | 121,755
2023/2022 | 114,626 |  | 114,626 |  | 398,030
2022/2021 | 383,594 |  | 383,594 |  | 166,018
2021/2020 | 159,514 |  | 159,514 |  | 56,612
Prior | 116,923 |  | 116,923 |  | 71,472
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 779,708 |  | 779,708 |  | 818,268
Residential Solar [Member] | Nonperforming [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 0
2024/2023 | 0 |  | 0 |  | 213
2023/2022 | 126 |  | 126 |  | 869
2022/2021 | 568 |  | 568 |  | 488
2021/2020 | 337 |  | 337 |  | 80
Prior | 126 |  | 126 |  | 161
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 1,157 |  | 1,157 |  | 1,811
Other Consumer [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Overdrawn deposit related to gross charge-offs reported as 2024 originations |  |  | 300 |  | 700
Overdrawn deposit related to gross charge-offs reported as 2025 originations |  |  | 200 |  |
Overdrawn deposit related to gross charge-offs reported as 2023 originations |  |  |  |  | 200
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 9,813 |  | 9,813 |  | 16,438
2024/2023 | 10,068 |  | 10,068 |  | 6,728
2023/2022 | 5,076 |  | 5,076 |  | 11,999
2022/2021 | 7,497 |  | 7,497 |  | 27,478
2021/2020 | 18,754 |  | 18,754 |  | 10,927
Prior | 19,207 |  | 19,207 |  | 16,083
Revolving Loans Amortized Cost Basis | 21,476 |  | 21,476 |  | 19,522
Revolving Loans Converted to Term | 59 |  | 59 |  | 42
Total | 91,950 |  | 91,950 |  | 109,217
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | (235) |  | (735)
2024/2023 |  |  | (376) |  | (330)
2023/2022 |  |  | (4) |  | (2,080)
2022/2021 |  |  | (611) |  | (4,271)
2021/2020 |  |  | (1,107) |  | (1,036)
Prior |  |  | (634) |  | (912)
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total |  |  | (2,967) |  | (9,364)
Other Consumer [Member] | Performing [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 9,813 |  | 9,813 |  | 16,426
2024/2023 | 10,047 |  | 10,047 |  | 6,685
2023/2022 | 5,042 |  | 5,042 |  | 11,792
2022/2021 | 7,402 |  | 7,402 |  | 27,045
2021/2020 | 18,473 |  | 18,473 |  | 10,718
Prior | 19,011 |  | 19,011 |  | 15,881
Revolving Loans Amortized Cost Basis | 21,474 |  | 21,474 |  | 19,507
Revolving Loans Converted to Term | 25 |  | 25 |  | 12
Total | 91,287 |  | 91,287 |  | 108,066
Other Consumer [Member] | Nonperforming [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 12
2024/2023 | 21 |  | 21 |  | 43
2023/2022 | 34 |  | 34 |  | 207
2022/2021 | 95 |  | 95 |  | 433
2021/2020 | 281 |  | 281 |  | 209
Prior | 196 |  | 196 |  | 202
Revolving Loans Amortized Cost Basis | 2 |  | 2 |  | 15
Revolving Loans Converted to Term | 34 |  | 34 |  | 30
Total | 663 |  | 663 |  | 1,151
Residential [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 53,840 |  | 53,840 |  | 189,237
2024/2023 | 228,652 |  | 228,652 |  | 223,358
2023/2022 | 259,264 |  | 259,264 |  | 370,239
2022/2021 | 429,108 |  | 429,108 |  | 421,560
2021/2020 | 498,983 |  | 498,983 |  | 247,027
Prior | 1,337,063 |  | 1,337,063 |  | 933,648
Revolving Loans Amortized Cost Basis | 340,603 |  | 340,603 |  | 265,351
Revolving Loans Converted to Term | 15,857 |  | 15,857 |  | 18,935
Total | 3,163,370 |  | 3,163,370 |  | 2,669,355
Gross Charge-offs by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 |  |  | 0 |  | 0
2024/2023 |  |  | (16) |  | (34)
2023/2022 |  |  | (88) |  | 0
2022/2021 |  |  | 0 |  | 0
2021/2020 |  |  | 0 |  | 0
Prior |  |  | (14) |  | (177)
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total | (61) | $ 0 | (118) | $ (114) | (211)
Residential [Member] | Performing [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 53,840 |  | 53,840 |  | 188,657
2024/2023 | 227,700 |  | 227,700 |  | 222,593
2023/2022 | 257,471 |  | 257,471 |  | 369,473
2022/2021 | 426,613 |  | 426,613 |  | 419,053
2021/2020 | 495,387 |  | 495,387 |  | 246,867
Prior | 1,324,813 |  | 1,324,813 |  | 924,869
Revolving Loans Amortized Cost Basis | 340,603 |  | 340,603 |  | 265,351
Revolving Loans Converted to Term | 15,857 |  | 15,857 |  | 18,935
Total | 3,142,284 |  | 3,142,284 |  | 2,655,798
Residential [Member] | Nonperforming [Member] |  |  |  |  |
Credit Quality by Loan Class by Vintage [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 580
2024/2023 | 952 |  | 952 |  | 765
2023/2022 | 1,793 |  | 1,793 |  | 766
2022/2021 | 2,495 |  | 2,495 |  | 2,507
2021/2020 | 3,596 |  | 3,596 |  | 160
Prior | 12,250 |  | 12,250 |  | 8,779
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | $ 21,086 |  | $ 21,086 |  | $ 13,557

X
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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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