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Loans and Allowance for Credit Losses - Schedule of Risk Rating and Payment Performance (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | $ 36,413,944 |  | $ 36,285,887
2025 | 43 | $ 0 |
2024 | 1,251 | 486 |
2023 | 5,209 | 4,605 |
2022 | 5,667 | 2,997 |
2021 | 8,644 | 154 |
Prior | 3,726 | 4,774 |
Revolving | 0 | 1,004 |
Total | 24,540 | 14,020 |
Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 36,413,944 |  | 36,285,887
Commercial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 10,650,615 |  | 10,288,560
Total | 9,311 | 3,659 |
Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 537,086 |  | 1,931,760
Originated one year before current year | 1,885,299 |  | 1,440,650
Originated two years before current year | 1,381,292 |  | 1,286,788
Originated three years before current year | 1,210,738 |  | 777,990
Originated four years before current year | 738,306 |  | 497,232
Originated more than five years before current fiscal year | 929,502 |  | 673,411
Revolving | 2,969,748 |  | 2,752,900
Revolving to Term | 778,495 |  | 695,528
Total loans | 10,430,466 |  | 10,056,259
2025 | 0 | 0 |
2024 | 422 | 0 |
2023 | 4,119 | 3,481 |
2022 | 4,086 | 33 |
2021 | 6 | 8 |
Prior | 678 | 4 |
Revolving | 0 | 133 |
Total | 9,311 | 3,659 |
Commercial real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 16,135,327 |  | 16,307,486
Total | 11,660 | 6,641 |
Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 607,560 |  | 2,326,885
Originated one year before current year | 2,197,706 |  | 2,652,462
Originated two years before current year | 2,604,151 |  | 4,252,908
Originated three years before current year | 4,018,984 |  | 2,269,851
Originated four years before current year | 2,179,701 |  | 1,464,609
Originated more than five years before current fiscal year | 3,151,843 |  | 1,911,188
Revolving | 126,039 |  | 123,704
Revolving to Term | 1,075,382 |  | 1,131,441
Total loans | 15,961,366 |  | 16,133,048
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 303 | 0 |
2022 | 751 | 2,176 |
2021 | 7,996 | 0 |
Prior | 2,610 | 4,465 |
Revolving | 0 | 0 |
Total | 11,660 | 6,641 |
BBCC |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 4 | 76 |
BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 15,567 |  | 81,807
Originated one year before current year | 78,521 |  | 80,974
Originated two years before current year | 76,751 |  | 57,703
Originated three years before current year | 54,043 |  | 35,437
Originated four years before current year | 32,788 |  | 30,912
Originated more than five years before current fiscal year | 45,857 |  | 24,293
Revolving | 66,509 |  | 72,005
Revolving to Term | 24,074 |  | 23,608
Total loans | 394,110 |  | 406,739
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 76 |
2022 | 0 | 0 |
2021 | 4 | 0 |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 4 | 76 |
Residential real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 92,558 |  | 510,184
Originated one year before current year | 502,406 |  | 481,758
Originated two years before current year | 472,943 |  | 1,466,295
Originated three years before current year | 1,360,070 |  | 1,668,493
Originated four years before current year | 1,720,253 |  | 1,580,169
Originated more than five years before current fiscal year | 2,623,199 |  | 1,090,373
Revolving | 0 |  | 43
Revolving to Term | 265 |  | 271
Total loans | 6,771,694 |  | 6,797,586
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
Prior | 30 | 0 |
Revolving | 0 | 0 |
Total | 30 | 0 |
Residential real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 6,771,694 |  | 6,797,586
Residential real estate | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 92,558 |  | 509,704
Originated one year before current year | 501,441 |  | 476,698
Originated two years before current year | 466,689 |  | 1,455,085
Originated three years before current year | 1,345,556 |  | 1,662,195
Originated four years before current year | 1,713,080 |  | 1,574,961
Originated more than five years before current fiscal year | 2,582,469 |  | 1,058,175
Revolving | 0 |  | 43
Revolving to Term | 265 |  | 271
Total loans | 6,702,058 |  | 6,737,132
Residential real estate | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 480
Originated one year before current year | 965 |  | 5,060
Originated two years before current year | 6,254 |  | 11,210
Originated three years before current year | 14,514 |  | 6,298
Originated four years before current year | 7,173 |  | 5,208
Originated more than five years before current fiscal year | 40,730 |  | 32,198
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 69,636 |  | 60,454
Indirect |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 91,743 |  | 439,549
Originated one year before current year | 407,033 |  | 281,057
Originated two years before current year | 251,836 |  | 229,189
Originated three years before current year | 200,948 |  | 93,601
Originated four years before current year | 79,261 |  | 38,310
Originated more than five years before current fiscal year | 39,715 |  | 15,072
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 1,070,536 |  | 1,096,778
2025 | 0 | 0 |
2024 | 699 | 370 |
2023 | 677 | 472 |
2022 | 387 | 225 |
2021 | 100 | 33 |
Prior | 71 | 38 |
Revolving | 0 | 0 |
Total | 1,934 | 1,138 |
Indirect | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 1,070,536 |  | 1,096,778
Indirect | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 91,713 |  | 438,835
Originated one year before current year | 406,102 |  | 279,910
Originated two years before current year | 250,497 |  | 227,691
Originated three years before current year | 199,570 |  | 92,223
Originated four years before current year | 77,992 |  | 37,937
Originated more than five years before current fiscal year | 39,215 |  | 14,810
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 1,065,089 |  | 1,091,406
Indirect | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 30 |  | 714
Originated one year before current year | 931 |  | 1,147
Originated two years before current year | 1,339 |  | 1,498
Originated three years before current year | 1,378 |  | 1,378
Originated four years before current year | 1,269 |  | 373
Originated more than five years before current fiscal year | 500 |  | 262
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 5,447 |  | 5,372
Direct |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 15,131 |  | 83,869
Originated one year before current year | 75,654 |  | 73,151
Originated two years before current year | 63,061 |  | 66,928
Originated three years before current year | 59,404 |  | 61,669
Originated four years before current year | 54,240 |  | 34,627
Originated more than five years before current fiscal year | 106,631 |  | 81,918
Revolving | 132,659 |  | 108,573
Revolving to Term | 4,675 |  | 3,409
Total loans | 511,455 |  | 514,144
2025 | 43 | 0 |
2024 | 130 | 116 |
2023 | 110 | 576 |
2022 | 443 | 529 |
2021 | 538 | 113 |
Prior | 337 | 223 |
Revolving | 0 | 871 |
Total | 1,601 | 2,428 |
Direct | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 511,455 |  | 514,144
Direct | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 15,131 |  | 83,773
Originated one year before current year | 75,388 |  | 72,838
Originated two years before current year | 62,401 |  | 66,563
Originated three years before current year | 59,040 |  | 61,317
Originated four years before current year | 53,930 |  | 34,159
Originated more than five years before current fiscal year | 104,687 |  | 80,188
Revolving | 132,659 |  | 108,572
Revolving to Term | 4,594 |  | 3,327
Total loans | 507,830 |  | 510,737
Direct | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 96
Originated one year before current year | 266 |  | 313
Originated two years before current year | 660 |  | 365
Originated three years before current year | 364 |  | 352
Originated four years before current year | 310 |  | 468
Originated more than five years before current fiscal year | 1,944 |  | 1,730
Revolving | 0 |  | 1
Revolving to Term | 81 |  | 82
Total loans | 3,625 |  | 3,407
Home equity |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 0 |  | 0
Originated two years before current year | 0 |  | 1,537
Originated three years before current year | 1,478 |  | 301
Originated four years before current year | 281 |  | 1,344
Originated more than five years before current fiscal year | 12,530 |  | 15,925
Revolving | 1,211,518 |  | 1,218,820
Revolving to Term | 48,510 |  | 43,406
Total loans | 1,274,317 |  | 1,281,333
2025 | 0 | 0 |
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 34 |
2021 | 0 | 0 |
Prior | 0 | 44 |
Revolving | 0 | 0 |
Total | 0 | $ 78 |
Home equity | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 1,274,317 |  | 1,281,333
Home equity | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 0 |  | 0
Originated two years before current year | 0 |  | 259
Originated three years before current year | 233 |  | 210
Originated four years before current year | 208 |  | 1,135
Originated more than five years before current fiscal year | 7,994 |  | 11,005
Revolving | 1,209,284 |  | 1,216,226
Revolving to Term | 35,500 |  | 31,787
Total loans | 1,253,219 |  | 1,260,622
Home equity | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 0 |  | 0
Originated two years before current year | 0 |  | 1,278
Originated three years before current year | 1,245 |  | 91
Originated four years before current year | 73 |  | 209
Originated more than five years before current fiscal year | 4,536 |  | 4,920
Revolving | 2,234 |  | 2,594
Revolving to Term | 13,010 |  | 11,619
Total loans | 21,098 |  | 20,711
Pass | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 526,158 |  | 1,852,046
Originated one year before current year | 1,800,312 |  | 1,267,721
Originated two years before current year | 1,206,395 |  | 1,145,488
Originated three years before current year | 1,056,867 |  | 699,429
Originated four years before current year | 662,292 |  | 450,332
Originated more than five years before current fiscal year | 831,140 |  | 624,522
Revolving | 2,769,402 |  | 2,577,941
Revolving to Term | 633,871 |  | 593,232
Total loans | 9,486,437 |  | 9,210,711
Pass | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 596,570 |  | 2,196,306
Originated one year before current year | 2,116,861 |  | 2,555,236
Originated two years before current year | 2,436,300 |  | 3,825,305
Originated three years before current year | 3,391,971 |  | 2,065,037
Originated four years before current year | 1,948,240 |  | 1,362,703
Originated more than five years before current fiscal year | 2,817,618 |  | 1,641,611
Revolving | 104,380 |  | 122,708
Revolving to Term | 836,483 |  | 891,682
Total loans | 14,248,423 |  | 14,660,588
Pass | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 15,468 |  | 79,760
Originated one year before current year | 76,655 |  | 78,420
Originated two years before current year | 74,105 |  | 55,687
Originated three years before current year | 52,259 |  | 33,857
Originated four years before current year | 31,389 |  | 30,215
Originated more than five years before current fiscal year | 43,774 |  | 22,797
Revolving | 64,409 |  | 67,668
Revolving to Term | 15,673 |  | 16,265
Total loans | 373,732 |  | 384,669
Special Mention | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 240 |  | 46,935
Originated one year before current year | 29,973 |  | 102,372
Originated two years before current year | 76,049 |  | 32,250
Originated three years before current year | 53,437 |  | 40,221
Originated four years before current year | 14,567 |  | 21,538
Originated more than five years before current fiscal year | 41,565 |  | 20,535
Revolving | 65,298 |  | 80,625
Revolving to Term | 30,738 |  | 28,978
Total loans | 311,867 |  | 373,454
Special Mention | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 2,049 |  | 72,020
Originated one year before current year | 44,474 |  | 31,203
Originated two years before current year | 54,953 |  | 158,254
Originated three years before current year | 145,170 |  | 48,524
Originated four years before current year | 59,239 |  | 37,693
Originated more than five years before current fiscal year | 76,730 |  | 64,357
Revolving | 21,281 |  | 0
Revolving to Term | 102,703 |  | 111,900
Total loans | 506,599 |  | 523,951
Special Mention | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 1,579
Originated one year before current year | 1,424 |  | 1,067
Originated two years before current year | 1,040 |  | 807
Originated three years before current year | 618 |  | 917
Originated four years before current year | 847 |  | 21
Originated more than five years before current fiscal year | 390 |  | 224
Revolving | 1,601 |  | 3,582
Revolving to Term | 3,928 |  | 3,028
Total loans | 9,848 |  | 11,225
Substandard | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 814 |  | 27,139
Originated one year before current year | 46,978 |  | 49,340
Originated two years before current year | 77,024 |  | 77,835
Originated three years before current year | 69,548 |  | 35,036
Originated four years before current year | 57,452 |  | 19,307
Originated more than five years before current fiscal year | 43,957 |  | 25,503
Revolving | 117,613 |  | 78,210
Revolving to Term | 81,646 |  | 40,217
Total loans | 495,032 |  | 352,587
Substandard | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 8,941 |  | 47,079
Originated one year before current year | 21,634 |  | 55,923
Originated two years before current year | 101,972 |  | 249,269
Originated three years before current year | 453,906 |  | 102,913
Originated four years before current year | 139,673 |  | 39,466
Originated more than five years before current fiscal year | 167,046 |  | 142,110
Revolving | 378 |  | 996
Revolving to Term | 85,481 |  | 76,897
Total loans | 979,031 |  | 714,653
Substandard | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 99 |  | 468
Originated one year before current year | 381 |  | 976
Originated two years before current year | 1,111 |  | 56
Originated three years before current year | 53 |  | 136
Originated four years before current year | 60 |  | 598
Originated more than five years before current fiscal year | 330 |  | 308
Revolving | 499 |  | 755
Revolving to Term | 3,035 |  | 2,876
Total loans | 5,568 |  | 6,173
Nonaccrual | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 5 |  | 2,221
Originated one year before current year | 612 |  | 1,072
Originated two years before current year | 1,570 |  | 4,199
Originated three years before current year | 5,037 |  | 1,530
Originated four years before current year | 2,369 |  | 604
Originated more than five years before current fiscal year | 3,673 |  | 1,357
Revolving | 1,323 |  | 719
Revolving to Term | 2,561 |  | 829
Total loans | 17,150 |  | 12,531
Nonaccrual | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 3,693
Originated one year before current year | 4,181 |  | 411
Originated two years before current year | 880 |  | 3,579
Originated three years before current year | 4,548 |  | 15,922
Originated four years before current year | 5,295 |  | 1,930
Originated more than five years before current fiscal year | 20,300 |  | 3,231
Revolving | 0 |  | 0
Revolving to Term | 24,600 |  | 118
Total loans | 59,804 |  | 28,884
Nonaccrual | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 0 |  | 114
Originated two years before current year | 110 |  | 312
Originated three years before current year | 716 |  | 177
Originated four years before current year | 304 |  | 63
Originated more than five years before current fiscal year | 673 |  | 119
Revolving | 0 |  | 0
Revolving to Term | 610 |  | 551
Total loans | 2,413 |  | 1,336
Doubtful | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 9,869 |  | 3,419
Originated one year before current year | 7,424 |  | 20,145
Originated two years before current year | 20,254 |  | 27,016
Originated three years before current year | 25,849 |  | 1,774
Originated four years before current year | 1,626 |  | 5,451
Originated more than five years before current fiscal year | 9,167 |  | 1,494
Revolving | 16,112 |  | 15,405
Revolving to Term | 29,679 |  | 32,272
Total loans | 119,980 |  | 106,976
Doubtful | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 7,787
Originated one year before current year | 10,556 |  | 9,689
Originated two years before current year | 10,046 |  | 16,501
Originated three years before current year | 23,389 |  | 37,455
Originated four years before current year | 27,254 |  | 22,817
Originated more than five years before current fiscal year | 70,149 |  | 59,879
Revolving | 0 |  | 0
Revolving to Term | 26,115 |  | 50,844
Total loans | 167,509 |  | 204,972
Doubtful | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 61 |  | 397
Originated two years before current year | 385 |  | 841
Originated three years before current year | 397 |  | 350
Originated four years before current year | 188 |  | 15
Originated more than five years before current fiscal year | 690 |  | 845
Revolving | 0 |  | 0
Revolving to Term | 828 |  | 888
Total loans | $ 2,549 |  | $ 3,336

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- Definition Financing Receivable, Excluding Accrued Interest, Revolving, Originated, Current Fiscal Year, Writeoff + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
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