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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 | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Allowance for Loan and Lease Losses [Roll Forward] |  |
Balance, beginning of period | $ 205,332 |
Provision for credit losses | (19,914) | $ 1,445
Balance, end of period | 178,924 |
Loans, Excluding Acquired Loans |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Balance, beginning of period | 205,332 | 238,050
Provision for credit losses | (19,914) | 0
Charge-offs | (8,138) | (4,251)
Recoveries | 1,644 | 1,317
Net charge-offs | (6,494) | (2,934)
Balance, end of period | 178,924 | 235,116
Loans, Excluding Acquired Loans | Other Consumer and Other |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Balance, beginning of period | 4,617 | 5,617
Provision for credit losses | 874 | (2,715)
Charge-offs | (414) | (702)
Recoveries | 387 | 304
Net charge-offs | (27) | (398)
Balance, end of period | 5,464 | 2,504
Loans, Excluding Acquired Loans | Commercial |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Balance, beginning of period | 17,458 | 42,093
Provision for credit losses | (2,519) | (6,940)
Charge-offs | (6,319) | (859)
Recoveries | 557 | 320
Net charge-offs | (5,762) | (539)
Balance, end of period | 9,177 | 34,614
Loans, Excluding Acquired Loans | Real Estate |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Balance, beginning of period | 179,270 | 182,868
Provision for credit losses | (17,822) | 14,242
Charge-offs | (485) | (1,687)
Recoveries | 426 | 403
Net charge-offs | (59) | (1,284)
Balance, end of period | 161,389 | 195,826
Loans, Excluding Acquired Loans | Consumer | Credit cards |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Balance, beginning of period | 3,987 | 7,472
Provision for credit losses | (447) | (4,587)
Charge-offs | (920) | (1,003)
Recoveries | 274 | 290
Net charge-offs | (646) | (713)
Balance, end of period | $ 2,894 | $ 2,172

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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. + 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 http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss. + 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 http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (4) + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + Details
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