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Loans, Changes in the Allowance for Loan Losses by Portfolio Segment (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, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ 32,062 |  | $ 76,415
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 38,776 | $ 34,776 | 34,776
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (3,500) |  | 4,000
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | $ 35,276 |  | 35,276 |  | 38,776
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 32,062 |  | 76,415
Provision for Loan, Lease, and Other Losses | 17,996 | $ 23,008 | 30,999 | 47,009 |
Allowance for Loan Losses [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 363,545 | 351,094 | 351,094
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (32,062) |  | (76,415)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 10,531 |  | 7,867
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (21,531) |  | (68,549)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 34,500 |  | 81,000
Financing Receivable, Allowance for Credit Loss, Ending Balance | 376,515 |  | 376,515 |  | 363,545
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (32,062) |  | (76,415)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 10,531 |  | 7,867
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (21,531) |  | (68,549)
Allowance for Loan Losses [Member] | Commercial and Industrial Sector [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 136,596 | 128,263 | 128,263
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (10,525) |  | (47,517)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,148
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,369)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 26,322 |  | 53,703
Financing Receivable, Allowance for Credit Loss, Ending Balance | 156,366 |  | 156,366 |  | 136,596
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (10,525) |  | (47,517)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,148
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,369)
Allowance for Loan Losses [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 9,417 | 10,610 | 10,610
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 0 |  | (3)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 0 |  | 7
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 0 |  | 4
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 3,680 |  | (1,198)
Financing Receivable, Allowance for Credit Loss, Ending Balance | 13,097 |  | 13,097 |  | 9,417
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 0 |  | (3)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 0 |  | 7
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 0 |  | 4
Allowance for Loan Losses [Member] | Commercial And Business Lending [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 146,013 | 138,873 | 138,873
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (10,525) |  | (47,520)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,155
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,365)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 30,001 |  | 52,505
Financing Receivable, Allowance for Credit Loss, Ending Balance | 169,463 |  | 169,463 |  | 146,013
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (10,525) |  | (47,520)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,155
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,365)
Allowance for Loan Losses [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 71,547 | 67,858 | 67,858
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (12,092) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,707 |  | 0
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,385) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 472 |  | 14,876
Financing Receivable, Allowance for Credit Loss, Ending Balance | 62,633 |  | 62,633 |  | 71,547
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (12,092) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,707 |  | 0
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,385) |  | (11,187)
Allowance for Loan Losses [Member] | Construction Loans [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 51,499 | 53,554 | 53,554
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 0 |  | 0
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 150 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 150 |  | 65
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 322 |  | (2,119)
Financing Receivable, Allowance for Credit Loss, Ending Balance | 51,972 |  | 51,972 |  | 51,499
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 0 |  | 0
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 150 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 150 |  | 65
Allowance for Loan Losses [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 123,046 | 121,412 | 121,412
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (12,092) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,858 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,235) |  | (11,122)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 794 |  | 12,756
Financing Receivable, Allowance for Credit Loss, Ending Balance | 114,605 |  | 114,605 |  | 123,046
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (12,092) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,858 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,235) |  | (11,122)
Allowance for Loan Losses [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 269,060 | 260,285 | 260,285
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (22,618) |  | (58,707)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 6,831 |  | 2,220
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (15,787) |  | (56,487)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 30,795 |  | 65,262
Financing Receivable, Allowance for Credit Loss, Ending Balance | 284,068 |  | 284,068 |  | 269,060
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (22,618) |  | (58,707)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 6,831 |  | 2,220
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (15,787) |  | (56,487)
Allowance for Loan Losses [Member] | Residential Mortgage [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 32,576 | 37,808 | 37,808
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (582) |  | (1,029)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 478 |  | 280
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (105) |  | (750)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 1,625 |  | (4,483)
Financing Receivable, Allowance for Credit Loss, Ending Balance | 34,096 |  | 34,096 |  | 32,576
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (582) |  | (1,029)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 478 |  | 280
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (105) |  | (750)
Allowance for Loan Losses [Member] | Automobile Loan [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 28,467 | 24,961 | 24,961
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (3,948) |  | (9,541)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 1,740 |  | 2,905
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (2,208) |  | (6,637)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 1,493 |  | 10,142
Financing Receivable, Allowance for Credit Loss, Ending Balance | 27,751 |  | 27,751 |  | 28,467
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (3,948) |  | (9,541)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 1,740 |  | 2,905
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (2,208) |  | (6,637)
Allowance for Loan Losses [Member] | Home Equity Line of Credit [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 16,620 | 15,403 | 15,403
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (88) |  | (216)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 614 |  | 1,366
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 526 |  | 1,150
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | (1,081) |  | 67
Financing Receivable, Allowance for Credit Loss, Ending Balance | 16,064 |  | 16,064 |  | 16,620
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (88) |  | (216)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 614 |  | 1,366
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 526 |  | 1,150
Allowance for Loan Losses [Member] | Other Consumer [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 16,824 | 12,638 | 12,638
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (4,826) |  | (6,922)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 869 |  | 1,096
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (3,957) |  | (5,826)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 1,668 |  | 10,012
Financing Receivable, Allowance for Credit Loss, Ending Balance | 14,534 |  | 14,534 |  | 16,824
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (4,826) |  | (6,922)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 869 |  | 1,096
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (3,957) |  | (5,826)
Allowance for Loan Losses [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | 94,486 | 90,809 | 90,809
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (9,444) |  | (17,709)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,700 |  | 5,647
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (5,744) |  | (12,062)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) |  |  | 3,705 |  | 15,738
Financing Receivable, Allowance for Credit Loss, Ending Balance | 92,446 |  | 92,446 |  | 94,486
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (9,444) |  | (17,709)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,700 |  | 5,647
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (5,744) |  | (12,062)
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 38,776 | 34,776 | 34,776
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (3,500) |  | 4,000
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 35,276 |  | 35,276 |  | 38,776
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and Industrial Sector [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 14,456 | 13,319 | 13,319
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | 2,092 |  | 1,137
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 16,547 |  | 16,547 |  | 14,456
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 151 | 149 | 149
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (26) |  | 2
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 125 |  | 125 |  | 151
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial And Business Lending [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 14,607 | 13,468 | 13,468
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | 2,066 |  | 1,139
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 16,672 |  | 16,672 |  | 14,607
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 578 | 480 | 480
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | 131 |  | 98
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 709 |  | 709 |  | 578
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Construction Loans [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 19,591 | 17,024 | 17,024
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (5,678) |  | 2,567
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 13,913 |  | 13,913 |  | 19,591
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 20,169 | 17,504 | 17,504
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (5,547) |  | 2,664
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 14,622 |  | 14,622 |  | 20,169
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 34,776 | 30,972 | 30,972
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (3,481) |  | 3,803
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 31,294 |  | 31,294 |  | 34,776
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home Equity Line of Credit [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 2,465 | 2,629 | 2,629
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (30) |  | (164)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 2,435 |  | 2,435 |  | 2,465
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other Consumer [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 1,535 | 1,174 | 1,174
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | 11 |  | 361
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 1,546 |  | 1,546 |  | 1,535
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance |  |  | 4,000 | 3,803 | 3,803
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) |  |  | (19) |  | 197
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | 3,981 |  | 3,981 |  | 4,000
Allowance for Loans Losses and Unfunded Commitments [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (32,062) |  | (76,415)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 10,531 |  | 7,867
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (21,531) |  | (68,549)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 402,322 | 385,870 | 385,870
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (32,062) |  | (76,415)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 10,531 |  | 7,867
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (21,531) |  | (68,549)
Provision for Loan, Lease, and Other Losses |  |  | 31,000 |  | 85,000
Balance at end of period | $ 411,791 |  | $ 411,791 |  | $ 402,322
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.35% |  | 1.35% |  | 1.35%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and Industrial Sector [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (10,525) |  | $ (47,517)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,148
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,369)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 151,052 | 141,582 | 141,582
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (10,525) |  | (47,517)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,148
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,369)
Provision for Loan, Lease, and Other Losses |  |  | 28,413 |  | 54,840
Balance at end of period | $ 172,914 |  | $ 172,914 |  | $ 151,052
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.53% |  | 1.53% |  | 1.43%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ 0 |  | $ (3)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 0 |  | 7
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 0 |  | 4
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 9,568 | 10,759 | 10,759
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 0 |  | (3)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 0 |  | 7
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 0 |  | 4
Provision for Loan, Lease, and Other Losses |  |  | 3,654 |  | (1,196)
Balance at end of period | $ 13,222 |  | $ 13,222 |  | $ 9,568
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.20% |  | 1.20% |  | 0.84%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial And Business Lending [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (10,525) |  | $ (47,520)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,155
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,365)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 160,620 | 152,341 | 152,341
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (10,525) |  | (47,520)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,974 |  | 2,155
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (6,552) |  | (45,365)
Provision for Loan, Lease, and Other Losses |  |  | 32,067 |  | 53,644
Balance at end of period | $ 186,135 |  | $ 186,135 |  | $ 160,620
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.50% |  | 1.50% |  | 1.37%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (12,092) |  | $ (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,707 |  | 0
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,385) |  | (11,187)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 72,125 | 68,338 | 68,338
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (12,092) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,707 |  | 0
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,385) |  | (11,187)
Provision for Loan, Lease, and Other Losses |  |  | 603 |  | 14,973
Balance at end of period | $ 63,342 |  | $ 63,342 |  | $ 72,125
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.18% |  | 1.18% |  | 1.38%
Allowance for Loans Losses and Unfunded Commitments [Member] | Construction Loans [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ 0 |  | $ 0
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 150 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 150 |  | 65
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 71,090 | 70,578 | 70,578
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | 0 |  | 0
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 150 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 150 |  | 65
Provision for Loan, Lease, and Other Losses |  |  | (5,356) |  | 447
Balance at end of period | $ 65,885 |  | $ 65,885 |  | $ 71,090
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 3.38% |  | 3.38% |  | 3.59%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (12,092) |  | $ (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,858 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,235) |  | (11,122)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 143,215 | 138,916 | 138,916
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (12,092) |  | (11,187)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 2,858 |  | 65
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (9,235) |  | (11,122)
Provision for Loan, Lease, and Other Losses |  |  | (4,753) |  | 15,421
Balance at end of period | $ 129,227 |  | $ 129,227 |  | $ 143,215
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.77% |  | 1.77% |  | 1.99%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (22,618) |  | $ (58,707)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 6,831 |  | 2,220
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (15,787) |  | (56,487)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 303,835 | 291,257 | 291,257
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (22,618) |  | (58,707)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 6,831 |  | 2,220
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (15,787) |  | (56,487)
Provision for Loan, Lease, and Other Losses |  |  | 27,314 |  | 69,065
Balance at end of period | $ 315,363 |  | $ 315,363 |  | $ 303,835
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 1.60% |  | 1.60% |  | 1.61%
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential Mortgage [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (582) |  | $ (1,029)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 478 |  | 280
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (105) |  | (750)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 32,576 | 37,808 | 37,808
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (582) |  | (1,029)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 478 |  | 280
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (105) |  | (750)
Provision for Loan, Lease, and Other Losses |  |  | 1,625 |  | (4,483)
Balance at end of period | $ 34,096 |  | $ 34,096 |  | $ 32,576
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 0.49% |  | 0.49% |  | 0.46%
Allowance for Loans Losses and Unfunded Commitments [Member] | Automobile Loan [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (3,948) |  | $ (9,541)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 1,740 |  | 2,905
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (2,208) |  | (6,637)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 28,467 | 24,961 | 24,961
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (3,948) |  | (9,541)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 1,740 |  | 2,905
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (2,208) |  | (6,637)
Provision for Loan, Lease, and Other Losses |  |  | 1,493 |  | 10,142
Balance at end of period | $ 27,751 |  | $ 27,751 |  | $ 28,467
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 0.93% |  | 0.93% |  | 1.01%
Allowance for Loans Losses and Unfunded Commitments [Member] | Home Equity Line of Credit [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (88) |  | $ (216)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 614 |  | 1,366
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 526 |  | 1,150
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 19,085 | 18,032 | 18,032
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (88) |  | (216)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 614 |  | 1,366
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 526 |  | 1,150
Provision for Loan, Lease, and Other Losses |  |  | (1,111) |  | (97)
Balance at end of period | $ 18,500 |  | $ 18,500 |  | $ 19,085
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 2.74% |  | 2.74% |  | 2.87%
Allowance for Loans Losses and Unfunded Commitments [Member] | Other Consumer [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (4,826) |  | $ (6,922)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 869 |  | 1,096
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (3,957) |  | (5,826)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 18,359 | 13,812 | 13,812
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (4,826) |  | (6,922)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 869 |  | 1,096
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (3,957) |  | (5,826)
Provision for Loan, Lease, and Other Losses |  |  | 1,679 |  | 10,373
Balance at end of period | $ 16,080 |  | $ 16,080 |  | $ 18,359
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 5.21% |  | 5.21% |  | 5.76%
Allowance for Loans Losses and Unfunded Commitments [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | $ (9,444) |  | $ (17,709)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,700 |  | 5,647
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (5,744) |  | (12,062)
Allowance for Credit Losses on Loans [Abstract] |  |  |  |  |
Balance at beginning of period |  |  | 98,486 | $ 94,613 | 94,613
Financing Receivable, Allowance for Credit Loss, Writeoff |  |  | (9,444) |  | (17,709)
Financing Receivable, Allowance for Credit Loss, Recovery |  |  | 3,700 |  | 5,647
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | (5,744) |  | (12,062)
Provision for Loan, Lease, and Other Losses |  |  | 3,686 |  | 15,935
Balance at end of period | $ 96,427 |  | $ 96,427 |  | $ 98,486
Financing Receivable, Allowance for Credit Loss to Outstanding, Percent | 0.88% |  | 0.88% |  | 0.91%

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