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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, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | $ 33,623,319 |  | $ 32,991,927
2024 | 0 | $ 0 |
2023 | 486 | 1,039 |
2022 | 4,605 | 7,217 |
2021 | 2,997 | 779 |
2020 | 154 | 7,227 |
Prior | 4,774 | 588 |
Revolving | 1,004 | 1,330 |
Total | 14,020 | 18,180 |
Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 33,623,319 |  | 32,991,927
Commercial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 9,648,269 |  | 9,512,230
Total | 3,659 | 12,423 |
Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 417,968 |  | 1,873,630
Originated one year before current year | 1,803,036 |  | 1,719,159
Originated two years before current year | 1,506,225 |  | 1,039,832
Originated three years before current year | 930,518 |  | 600,282
Originated four years before current year | 553,494 |  | 489,693
Originated more than five years before current fiscal year | 881,103 |  | 583,939
Revolving | 2,346,644 |  | 2,214,453
Revolving to Term | 977,236 |  | 758,478
Total loans | 9,416,224 |  | 9,279,466
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 3,481 | 5,230 |
2021 | 33 | 0 |
2020 | 8 | 6,789 |
Prior | 4 | 239 |
Revolving | 133 | 165 |
Total | 3,659 | 12,423 |
Commercial real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 14,653,958 |  | 14,140,629
Total | 6,641 | 1,189 |
Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 469,176 |  | 2,279,487
Originated one year before current year | 2,341,851 |  | 3,664,419
Originated two years before current year | 3,835,941 |  | 2,695,350
Originated three years before current year | 2,645,245 |  | 1,636,367
Originated four years before current year | 1,556,877 |  | 1,163,055
Originated more than five years before current fiscal year | 2,397,627 |  | 1,350,392
Revolving | 106,526 |  | 107,225
Revolving to Term | 1,128,056 |  | 1,075,276
Total loans | 14,481,299 |  | 13,971,571
2024 | 0 | 0 |
2023 | 0 | 54 |
2022 | 0 | 735 |
2021 | 2,176 | 400 |
2020 | 0 | 0 |
Prior | 4,465 | 0 |
Revolving | 0 | 0 |
Total | 6,641 | 1,189 |
BBCC |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 76 | 28 |
BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 20,400 |  | 81,840
Originated one year before current year | 83,870 |  | 65,503
Originated two years before current year | 64,887 |  | 46,152
Originated three years before current year | 42,844 |  | 39,072
Originated four years before current year | 36,870 |  | 28,622
Originated more than five years before current fiscal year | 43,680 |  | 21,170
Revolving | 67,599 |  | 70,966
Revolving to Term | 44,554 |  | 48,497
Total loans | 404,704 |  | 401,822
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 76 | 28 |
2021 | 0 | 0 |
2020 | 0 | 0 |
Prior | 0 | 0 |
Revolving | 0 | 0 |
Total | 76 | 28 |
Residential real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 52,693 |  | 453,859
Originated one year before current year | 476,603 |  | 1,513,234
Originated two years before current year | 1,501,054 |  | 1,840,082
Originated three years before current year | 1,863,161 |  | 1,708,506
Originated four years before current year | 1,618,914 |  | 434,861
Originated more than five years before current fiscal year | 1,148,637 |  | 748,622
Revolving | 74 |  | 0
Revolving to Term | 243 |  | 279
Total loans | 6,661,379 |  | 6,699,443
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 0 | 0 |
2020 | 0 | 0 |
Prior | 0 | 23 |
Revolving | 0 | 0 |
Total | 0 | 23 |
Residential real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 6,661,379 |  | 6,699,443
Residential real estate | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 52,693 |  | 453,743
Originated one year before current year | 475,237 |  | 1,508,671
Originated two years before current year | 1,494,593 |  | 1,836,078
Originated three years before current year | 1,857,010 |  | 1,705,131
Originated four years before current year | 1,615,143 |  | 430,783
Originated more than five years before current fiscal year | 1,119,364 |  | 722,987
Revolving | 74 |  | 0
Revolving to Term | 243 |  | 279
Total loans | 6,614,357 |  | 6,657,672
Residential real estate | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 116
Originated one year before current year | 1,366 |  | 4,563
Originated two years before current year | 6,461 |  | 4,004
Originated three years before current year | 6,151 |  | 3,375
Originated four years before current year | 3,771 |  | 4,078
Originated more than five years before current fiscal year | 29,273 |  | 25,635
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 47,022 |  | 41,771
Indirect |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 139,067 |  | 393,741
Originated one year before current year | 374,428 |  | 357,294
Originated two years before current year | 323,505 |  | 163,942
Originated three years before current year | 144,958 |  | 83,418
Originated four years before current year | 70,207 |  | 38,285
Originated more than five years before current fiscal year | 39,618 |  | 14,106
Revolving | 0 |  | 0
Revolving to Term | 215 |  | 196
Total loans | 1,091,998 |  | 1,050,982
2024 | 0 | 0 |
2023 | 370 | 514 |
2022 | 472 | 430 |
2021 | 225 | 93 |
2020 | 33 | 111 |
Prior | 38 | 49 |
Revolving | 0 | 0 |
Total | 1,138 | 1,197 |
Indirect | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 1,091,998 |  | 1,050,982
Indirect | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 139,067 |  | 393,369
Originated one year before current year | 373,733 |  | 355,822
Originated two years before current year | 321,837 |  | 162,735
Originated three years before current year | 143,848 |  | 82,871
Originated four years before current year | 69,757 |  | 37,967
Originated more than five years before current fiscal year | 39,133 |  | 13,815
Revolving | 0 |  | 0
Revolving to Term | 215 |  | 196
Total loans | 1,087,590 |  | 1,046,775
Indirect | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 372
Originated one year before current year | 695 |  | 1,472
Originated two years before current year | 1,668 |  | 1,207
Originated three years before current year | 1,110 |  | 547
Originated four years before current year | 450 |  | 318
Originated more than five years before current fiscal year | 485 |  | 291
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 4,408 |  | 4,207
Direct |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 19,941 |  | 109,439
Originated one year before current year | 92,714 |  | 90,841
Originated two years before current year | 123,861 |  | 93,008
Originated three years before current year | 82,561 |  | 48,947
Originated four years before current year | 29,906 |  | 29,869
Originated more than five years before current fiscal year | 77,255 |  | 71,001
Revolving | 79,446 |  | 75,204
Revolving to Term | 621 |  | 4,863
Total loans | 506,305 |  | 523,172
2024 | 0 | 0 |
2023 | 116 | 471 |
2022 | 576 | 794 |
2021 | 529 | 286 |
2020 | 113 | 327 |
Prior | 223 | 195 |
Revolving | 871 | 1,165 |
Total | 2,428 | 3,238 |
Direct | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 506,305 |  | 523,172
Direct | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 19,941 |  | 109,372
Originated one year before current year | 92,696 |  | 90,310
Originated two years before current year | 123,339 |  | 92,491
Originated three years before current year | 82,175 |  | 48,387
Originated four years before current year | 29,248 |  | 29,659
Originated more than five years before current fiscal year | 73,369 |  | 67,129
Revolving | 79,443 |  | 75,080
Revolving to Term | 611 |  | 4,852
Total loans | 500,822 |  | 517,280
Direct | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 67
Originated one year before current year | 18 |  | 531
Originated two years before current year | 522 |  | 517
Originated three years before current year | 386 |  | 560
Originated four years before current year | 658 |  | 210
Originated more than five years before current fiscal year | 3,886 |  | 3,872
Revolving | 3 |  | 124
Revolving to Term | 10 |  | 11
Total loans | 5,483 |  | 5,892
Home equity |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 290
Originated one year before current year | 3 |  | 474
Originated two years before current year | 403 |  | 488
Originated three years before current year | 430 |  | 544
Originated four years before current year | 242 |  | 1,420
Originated more than five years before current fiscal year | 9,599 |  | 8,810
Revolving | 1,016,102 |  | 1,022,233
Revolving to Term | 34,631 |  | 31,212
Total loans | 1,061,410 |  | 1,065,471
2024 | 0 | 0 |
2023 | 0 | 0 |
2022 | 0 | 0 |
2021 | 34 | 0 |
2020 | 0 | 0 |
Prior | 44 | 82 |
Revolving | 0 | 0 |
Total | 78 | $ 82 |
Home equity | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total loans | 1,061,410 |  | 1,065,471
Home equity | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 290
Originated one year before current year | 2 |  | 164
Originated two years before current year | 396 |  | 160
Originated three years before current year | 299 |  | 140
Originated four years before current year | 0 |  | 679
Originated more than five years before current fiscal year | 4,911 |  | 4,483
Revolving | 1,012,484 |  | 1,019,389
Revolving to Term | 25,360 |  | 23,918
Total loans | 1,043,452 |  | 1,049,223
Home equity | Nonperforming |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 1 |  | 310
Originated two years before current year | 7 |  | 328
Originated three years before current year | 131 |  | 404
Originated four years before current year | 242 |  | 741
Originated more than five years before current fiscal year | 4,688 |  | 4,327
Revolving | 3,618 |  | 2,844
Revolving to Term | 9,271 |  | 7,294
Total loans | 17,958 |  | 16,248
Pass | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 410,201 |  | 1,826,289
Originated one year before current year | 1,750,748 |  | 1,573,669
Originated two years before current year | 1,366,887 |  | 985,964
Originated three years before current year | 874,692 |  | 520,883
Originated four years before current year | 478,725 |  | 450,911
Originated more than five years before current fiscal year | 799,327 |  | 495,979
Revolving | 2,162,262 |  | 2,051,985
Revolving to Term | 891,572 |  | 651,953
Total loans | 8,734,414 |  | 8,557,633
Pass | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 461,150 |  | 2,177,841
Originated one year before current year | 2,274,374 |  | 3,515,702
Originated two years before current year | 3,680,370 |  | 2,563,638
Originated three years before current year | 2,438,872 |  | 1,576,044
Originated four years before current year | 1,479,830 |  | 1,010,351
Originated more than five years before current fiscal year | 2,057,232 |  | 1,161,119
Revolving | 98,657 |  | 103,332
Revolving to Term | 988,203 |  | 960,386
Total loans | 13,478,688 |  | 13,068,413
Pass | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 20,205 |  | 81,102
Originated one year before current year | 82,522 |  | 64,583
Originated two years before current year | 63,561 |  | 44,307
Originated three years before current year | 41,025 |  | 38,086
Originated four years before current year | 35,964 |  | 27,557
Originated more than five years before current fiscal year | 41,883 |  | 19,028
Revolving | 65,020 |  | 68,807
Revolving to Term | 31,595 |  | 33,361
Total loans | 381,775 |  | 376,831
Criticized | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 1,087 |  | 20,038
Originated one year before current year | 23,697 |  | 90,031
Originated two years before current year | 66,438 |  | 19,953
Originated three years before current year | 16,667 |  | 36,906
Originated four years before current year | 36,943 |  | 25,756
Originated more than five years before current fiscal year | 50,076 |  | 47,357
Revolving | 123,117 |  | 89,765
Revolving to Term | 15,698 |  | 44,348
Total loans | 333,723 |  | 374,154
Criticized | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 7,746 |  | 69,648
Originated one year before current year | 51,975 |  | 69,946
Originated two years before current year | 48,071 |  | 68,708
Originated three years before current year | 132,220 |  | 27,059
Originated four years before current year | 38,258 |  | 52,107
Originated more than five years before current fiscal year | 112,902 |  | 95,896
Revolving | 7,869 |  | 3,893
Revolving to Term | 80,231 |  | 64,730
Total loans | 479,272 |  | 451,987
Criticized | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 122 |  | 0
Originated one year before current year | 0 |  | 0
Originated two years before current year | 571 |  | 857
Originated three years before current year | 872 |  | 700
Originated four years before current year | 528 |  | 1,001
Originated more than five years before current fiscal year | 324 |  | 349
Revolving | 2,004 |  | 2,144
Revolving to Term | 10,003 |  | 12,728
Total loans | 14,424 |  | 17,779
Substandard | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 6,680 |  | 27,271
Originated one year before current year | 8,148 |  | 41,164
Originated two years before current year | 37,790 |  | 27,990
Originated three years before current year | 32,816 |  | 37,618
Originated four years before current year | 33,303 |  | 10,461
Originated more than five years before current fiscal year | 27,990 |  | 29,981
Revolving | 60,662 |  | 72,703
Revolving to Term | 67,681 |  | 56,716
Total loans | 275,070 |  | 303,904
Substandard | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 280 |  | 26,638
Originated one year before current year | 10,079 |  | 56,423
Originated two years before current year | 66,381 |  | 21,401
Originated three years before current year | 37,954 |  | 28,983
Originated four years before current year | 33,966 |  | 61,186
Originated more than five years before current fiscal year | 142,537 |  | 49,558
Revolving | 0 |  | 0
Revolving to Term | 57,157 |  | 48,760
Total loans | 348,354 |  | 292,949
Substandard | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 73 |  | 436
Originated one year before current year | 444 |  | 193
Originated two years before current year | 191 |  | 252
Originated three years before current year | 248 |  | 0
Originated four years before current year | 126 |  | 0
Originated more than five years before current fiscal year | 82 |  | 604
Revolving | 575 |  | 15
Revolving to Term | 994 |  | 1,006
Total loans | 2,733 |  | 2,506
Nonaccrual | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 32
Originated one year before current year | 8,206 |  | 7,034
Originated two years before current year | 0 |  | 0
Originated three years before current year | 0 |  | 0
Originated four years before current year | 0 |  | 823
Originated more than five years before current fiscal year | 1,623 |  | 3,411
Revolving | 603 |  | 0
Revolving to Term | 2,285 |  | 5,461
Total loans | 12,717 |  | 16,761
Nonaccrual | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 206 |  | 21,919
Originated two years before current year | 19,344 |  | 10,706
Originated three years before current year | 11,850 |  | 1,975
Originated four years before current year | 2,599 |  | 1,634
Originated more than five years before current fiscal year | 19,159 |  | 8,632
Revolving | 0 |  | 0
Revolving to Term | 2,465 |  | 1,400
Total loans | 55,623 |  | 46,266
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 |  | 0
Originated two years before current year | 0 |  | 482
Originated three years before current year | 470 |  | 0
Originated four years before current year | 0 |  | 4
Originated more than five years before current fiscal year | 1,169 |  | 1,105
Revolving | 0 |  | 0
Revolving to Term | 1,962 |  | 1,402
Total loans | 3,601 |  | 2,993
Doubtful | Commercial | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 0
Originated one year before current year | 12,237 |  | 7,261
Originated two years before current year | 35,110 |  | 5,925
Originated three years before current year | 6,343 |  | 4,875
Originated four years before current year | 4,523 |  | 1,742
Originated more than five years before current fiscal year | 2,087 |  | 7,211
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 60,300 |  | 27,014
Doubtful | Commercial real estate | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 5,360
Originated one year before current year | 5,217 |  | 429
Originated two years before current year | 21,775 |  | 30,897
Originated three years before current year | 24,349 |  | 2,306
Originated four years before current year | 2,224 |  | 37,777
Originated more than five years before current fiscal year | 65,797 |  | 35,187
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | 119,362 |  | 111,956
Doubtful | BBCC | Portfolio Segment After Reclassifications |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Originated in current fiscal year | 0 |  | 302
Originated one year before current year | 904 |  | 727
Originated two years before current year | 564 |  | 254
Originated three years before current year | 229 |  | 286
Originated four years before current year | 252 |  | 60
Originated more than five years before current fiscal year | 222 |  | 84
Revolving | 0 |  | 0
Revolving to Term | 0 |  | 0
Total loans | $ 2,171 |  | $ 1,713

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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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