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Loans - Summary of Term Loans by Origination Year (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Total |  | $ 11,079,892 |  | $ 10,884,118
Residential |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Weighted Average Term Extension (in months) | 60 months | 12 months | 22 months |
Commercial and industrial |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | $ 1,136,974 |  | 1,633,085
Year two |  | 1,150,755 |  | 1,078,613
Year three |  | 715,236 |  | 355,722
Year four |  | 204,003 |  | 196,328
Year five |  | 138,080 |  | 124,217
Prior |  | 82,607 |  | 71,810
Revolving Loans Converted to Term Loans |  | 22,850 |  | 12,943
Revolving Loans |  | 1,144,706 |  | 1,173,653
Total |  | 4,595,211 |  | 4,646,371
Commercial and industrial | Pass (1-6) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 1,082,070 |  | 1,567,738
Year two |  | 1,097,726 |  | 1,052,462
Year three |  | 680,423 |  | 345,292
Year four |  | 201,756 |  | 194,972
Year five |  | 137,028 |  | 123,425
Prior |  | 81,666 |  | 71,205
Revolving Loans Converted to Term Loans |  | 18,343 |  | 12,163
Revolving Loans |  | 1,022,691 |  | 1,108,233
Total |  | 4,321,703 |  | 4,475,490
Commercial and industrial | Special Mention (7) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 34,554 |  | 52,523
Year two |  | 49,464 |  | 6,845
Year three |  | 10,172 |  | 8,597
Year four |  | 2,247 |  | 544
Year five |  | 959 |  | 453
Prior |  | 676 |  | 242
Revolving Loans Converted to Term Loans |  | 689 |  | 272
Revolving Loans |  | 77,906 |  | 19,590
Total |  | 176,667 |  | 89,066
Commercial and industrial | Classified (8-9) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 20,350 |  | 12,824
Year two |  | 3,565 |  | 19,306
Year three |  | 24,641 |  | 1,833
Year four |  | 0 |  | 812
Year five |  | 93 |  | 339
Prior |  | 265 |  | 363
Revolving Loans Converted to Term Loans |  | 3,818 |  | 508
Revolving Loans |  | 44,109 |  | 45,830
Total |  | 96,841 |  | 81,815
Commercial real estate-investor owned |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 357,127 |  | 508,168
Year two |  | 452,408 |  | 567,982
Year three |  | 509,146 |  | 544,868
Year four |  | 511,491 |  | 340,670
Year five |  | 298,884 |  | 168,338
Prior |  | 321,126 |  | 247,359
Revolving Loans Converted to Term Loans |  | 7,301 |  | 5,270
Revolving Loans |  | 51,158 |  | 51,413
Total |  | 2,508,641 |  | 2,434,068
Commercial real estate-investor owned | Pass (1-6) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 356,106 |  | 495,131
Year two |  | 447,856 |  | 544,223
Year three |  | 496,385 |  | 492,974
Year four |  | 445,628 |  | 323,175
Year five |  | 283,675 |  | 165,343
Prior |  | 307,900 |  | 236,914
Revolving Loans Converted to Term Loans |  | 7,301 |  | 5,222
Revolving Loans |  | 49,160 |  | 51,413
Total |  | 2,394,011 |  | 2,314,395
Commercial real estate-investor owned | Special Mention (7) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 762 |  | 3,626
Year two |  | 4,552 |  | 22,725
Year three |  | 12,488 |  | 51,851
Year four |  | 65,821 |  | 1,657
Year five |  | 2,051 |  | 164
Prior |  | 8,573 |  | 5,526
Revolving Loans Converted to Term Loans |  | 0 |  | 0
Revolving Loans |  | 1,998 |  | 0
Total |  | 96,245 |  | 85,549
Commercial real estate-investor owned | Classified (8-9) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 259 |  | 9,411
Year two |  | 0 |  | 1,034
Year three |  | 273 |  | 43
Year four |  | 42 |  | 15,838
Year five |  | 13,158 |  | 2,831
Prior |  | 4,653 |  | 4,919
Revolving Loans Converted to Term Loans |  | 0 |  | 48
Revolving Loans |  | 0 |  | 0
Total |  | 18,385 |  | 34,124
Commercial real estate-owner occupied |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 342,997 |  | 425,029
Year two |  | 369,179 |  | 492,635
Year three |  | 457,248 |  | 496,488
Year four |  | 441,819 |  | 315,072
Year five |  | 267,338 |  | 198,189
Prior |  | 444,547 |  | 354,164
Revolving Loans Converted to Term Loans |  | 6,928 |  | 10,139
Revolving Loans |  | 31,522 |  | 31,529
Total |  | 2,361,578 |  | 2,323,245
Commercial real estate-owner occupied | Pass (1-6) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 333,337 |  | 407,901
Year two |  | 356,368 |  | 486,701
Year three |  | 448,514 |  | 489,589
Year four |  | 421,894 |  | 301,399
Year five |  | 254,424 |  | 183,872
Prior |  | 389,046 |  | 313,474
Revolving Loans Converted to Term Loans |  | 6,100 |  | 5,083
Revolving Loans |  | 29,814 |  | 30,036
Total |  | 2,239,497 |  | 2,218,055
Commercial real estate-owner occupied | Special Mention (7) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 9,660 |  | 13,739
Year two |  | 9,792 |  | 2,521
Year three |  | 3,931 |  | 4,652
Year four |  | 14,196 |  | 10,492
Year five |  | 8,961 |  | 5,439
Prior |  | 18,482 |  | 15,833
Revolving Loans Converted to Term Loans |  | 0 |  | 0
Revolving Loans |  | 0 |  | 1,493
Total |  | 65,022 |  | 54,169
Commercial real estate-owner occupied | Classified (8-9) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 0 |  | 3,389
Year two |  | 3,019 |  | 3,413
Year three |  | 4,803 |  | 2,247
Year four |  | 5,729 |  | 3,181
Year five |  | 3,953 |  | 8,878
Prior |  | 37,019 |  | 24,857
Revolving Loans Converted to Term Loans |  | 828 |  | 5,056
Revolving Loans |  | 1,708 |  | 0
Total |  | 57,059 |  | 51,021
Construction real estate |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 315,076 |  | 293,868
Year two |  | 239,310 |  | 328,672
Year three |  | 222,070 |  | 97,472
Year four |  | 79,963 |  | 31,166
Year five |  | 30,526 |  | 1,549
Prior |  | 4,729 |  | 3,988
Revolving Loans Converted to Term Loans |  | 6 |  | 10
Revolving Loans |  | 4,645 |  | 3,700
Total |  | 896,325 |  | 760,425
Construction real estate | Pass (1-6) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 304,590 |  | 292,689
Year two |  | 239,275 |  | 325,010
Year three |  | 220,377 |  | 96,426
Year four |  | 79,666 |  | 30,956
Year five |  | 30,526 |  | 1,413
Prior |  | 3,920 |  | 3,408
Revolving Loans Converted to Term Loans |  | 6 |  | 10
Revolving Loans |  | 4,645 |  | 3,700
Total |  | 883,005 |  | 753,612
Construction real estate | Special Mention (7) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 10,486 |  | 42
Year two |  | 35 |  | 2,958
Year three |  | 1,093 |  | 1,046
Year four |  | 297 |  | 210
Year five |  | 0 |  | 123
Prior |  | 226 |  | 114
Revolving Loans Converted to Term Loans |  | 0 |  | 0
Revolving Loans |  | 0 |  | 0
Total |  | 12,137 |  | 4,493
Construction real estate | Classified (8-9) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 0 |  | 1,137
Year two |  | 0 |  | 704
Year three |  | 600 |  | 0
Year four |  | 0 |  | 0
Year five |  | 0 |  | 13
Prior |  | 583 |  | 466
Revolving Loans Converted to Term Loans |  | 0 |  | 0
Revolving Loans |  | 0 |  | 0
Total |  | 1,183 |  | 2,320
Residential |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 29,557 |  | 59,708
Year two |  | 49,378 |  | 43,029
Year three |  | 36,804 |  | 51,505
Year four |  | 41,609 |  | 30,713
Year five |  | 28,805 |  | 17,898
Prior |  | 86,475 |  | 80,620
Revolving Loans Converted to Term Loans |  | 2,391 |  | 1,538
Revolving Loans |  | 79,606 |  | 86,465
Total |  | 354,625 |  | 371,476
Residential | Pass (1-6) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 28,158 |  | 59,259
Year two |  | 49,246 |  | 41,956
Year three |  | 36,088 |  | 51,436
Year four |  | 41,609 |  | 30,713
Year five |  | 28,738 |  | 17,793
Prior |  | 83,305 |  | 77,327
Revolving Loans Converted to Term Loans |  | 2,171 |  | 1,464
Revolving Loans |  | 79,021 |  | 78,351
Total |  | 348,336 |  | 358,299
Residential | Special Mention (7) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 1,399 |  | 322
Year two |  | 41 |  | 0
Year three |  | 607 |  | 0
Year four |  | 0 |  | 0
Year five |  | 67 |  | 75
Prior |  | 1,547 |  | 1,801
Revolving Loans Converted to Term Loans |  | 149 |  | 0
Revolving Loans |  | 585 |  | 614
Total |  | 4,395 |  | 2,812
Residential | Classified (8-9) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 0 |  | 127
Year two |  | 91 |  | 1,073
Year three |  | 109 |  | 69
Year four |  | 0 |  | 0
Year five |  | 0 |  | 30
Prior |  | 1,623 |  | 1,492
Revolving Loans Converted to Term Loans |  | 71 |  | 74
Revolving Loans |  | 0 |  | 7,500
Total |  | 1,894 |  | 10,365
Other |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 25,386 |  | 10,071
Year two |  | 9,537 |  | 55,923
Year three |  | 54,482 |  | 82,238
Year four |  | 60,313 |  | 53,569
Year five |  | 50,988 |  | 9,382
Prior |  | 34,260 |  | 19,665
Revolving Loans Converted to Term Loans |  | 5 |  | 7
Revolving Loans |  | 49,851 |  | 40,109
Total |  | 284,822 |  | 270,964
Other | Pass (1-6) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 25,386 |  | 10,071
Year two |  | 6,514 |  | 55,923
Year three |  | 54,482 |  | 67,766
Year four |  | 60,313 |  | 53,569
Year five |  | 50,988 |  | 9,382
Prior |  | 32,456 |  | 19,657
Revolving Loans Converted to Term Loans |  | 5 |  | 7
Revolving Loans |  | 42,474 |  | 28,464
Total |  | 272,618 |  | 244,839
Other | Special Mention (7) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 0 |  | 0
Year two |  | 3,023 |  | 0
Year three |  | 0 |  | 14,472
Year four |  | 0 |  | 0
Year five |  | 0 |  | 0
Prior |  | 1,799 |  | 0
Revolving Loans Converted to Term Loans |  | 0 |  | 0
Revolving Loans |  | 7,377 |  | 11,645
Total |  | 12,199 |  | 26,117
Other | Classified (8-9) |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 0 |  | 0
Year two |  | 0 |  | 0
Year three |  | 0 |  | 0
Year four |  | 0 |  | 0
Year five |  | 0 |  | 0
Prior |  | 5 |  | 8
Revolving Loans Converted to Term Loans |  | 0 |  | 0
Revolving Loans |  | 0 |  | 0
Total |  | 5 |  | 8
Total loans classified by risk category |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Year one |  | 2,207,117 |  | 2,929,929
Year two |  | 2,270,567 |  | 2,566,854
Year three |  | 1,994,986 |  | 1,628,293
Year four |  | 1,339,198 |  | 967,518
Year five |  | 814,621 |  | 519,573
Prior |  | 973,744 |  | 777,606
Revolving Loans Converted to Term Loans |  | 39,481 |  | 29,907
Revolving Loans |  | 1,361,488 |  | 1,386,869
Total |  | 11,001,202 |  | 10,806,549
Total loans classified by performing status |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Total |  | $ 78,690 |  | $ 77,569

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