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Loans and Allowance for Credit Losses - Activity in the Allowance for Loan Losses, by Portfolio Segment, for the Current Year (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | $ 205,332 |  |
Provision for credit loss expense | (5,379) | $ (31,209) | $ 82,488
Balance, end of period | 196,955 | 205,332 |
Loans, Excluding Acquired Loans |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 205,332 | 238,050 | 68,244
Acquisition adjustment for PCD loans | 9,622 | 13,451 |
Provision for credit loss expense | (5,379) | (31,209) | 82,488
Charge-offs | (24,130) | (26,982) | (70,659)
Recoveries | 11,510 | 12,022 | 6,600
Net charge-offs | (12,620) | (14,960) | (64,059)
Balance, end of period | 196,955 | 205,332 | 238,050
Loans, Excluding Acquired Loans | Other Consumer and Other |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 4,617 | 5,617 | 2,169
Acquisition adjustment for PCD loans | 2 | 1 |
Provision for credit loss expense | 2,674 | (352) | (6,093)
Charge-offs | (1,876) | (2,053) | (4,022)
Recoveries | 1,197 | 1,404 | 1,465
Net charge-offs | (679) | (649) | (2,557)
Balance, end of period | 6,614 | 4,617 | 5,617
Loans, Excluding Acquired Loans | Commercial |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 17,458 | 42,093 | 22,863
Acquisition adjustment for PCD loans | 6,433 | 3,349 |
Provision for credit loss expense | 22,412 | (22,031) | 42,017
Charge-offs | (14,270) | (10,613) | (48,736)
Recoveries | 2,373 | 4,660 | 3,216
Net charge-offs | (11,897) | (5,953) | (45,520)
Balance, end of period | 34,406 | 17,458 | 42,093
Loans, Excluding Acquired Loans | Real Estate |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 179,270 | 182,868 | 39,161
Acquisition adjustment for PCD loans | 3,187 | 10,101 |
Provision for credit loss expense | (34,456) | (7,918) | 42,276
Charge-offs | (4,122) | (10,691) | (13,788)
Recoveries | 6,916 | 4,910 | 905
Net charge-offs | 2,794 | (5,781) | (12,883)
Balance, end of period | 150,795 | 179,270 | 182,868
Loans, Excluding Acquired Loans | Consumer | Credit Card |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 3,987 | 7,472 | 4,051
Acquisition adjustment for PCD loans | 0 | 0 |
Provision for credit loss expense | 3,991 | (908) | 4,288
Charge-offs | (3,862) | (3,625) | (4,113)
Recoveries | 1,024 | 1,048 | 1,014
Net charge-offs | (2,838) | (2,577) | (3,099)
Balance, end of period | $ 5,140 | $ 3,987 | 7,472
Cumulative Effect, Period of Adoption, Adjustment | Loans, Excluding Acquired Loans |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period |  |  | 151,377
Cumulative Effect, Period of Adoption, Adjustment | Loans, Excluding Acquired Loans | Other Consumer and Other |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period |  |  | 12,098
Cumulative Effect, Period of Adoption, Adjustment | Loans, Excluding Acquired Loans | Commercial |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period |  |  | 22,733
Cumulative Effect, Period of Adoption, Adjustment | Loans, Excluding Acquired Loans | Real Estate |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period |  |  | 114,314
Cumulative Effect, Period of Adoption, Adjustment | Loans, Excluding Acquired Loans | Consumer | Credit Card |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period |  |  | $ 2,232

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from purchase of loan. Excludes financing receivable purchased with credit deterioration, loan acquired through business combination or acquisition, and net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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