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Loans and Asset Quality Information - Unfunded Loan Commitments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | $ 52,388 | $ 21,398 | $ 21,039
Charge-offs | (7,602) | (8,502) | (6,303)
Recoveries | 4,922 | 4,453 | 4,399
Provision for credit losses on changes in unfunded commitments | 9,611 | 35,039 | 2,263
Ending balance | 78,789 | 52,388 | $ 21,398
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 14,575 |  |
Ending balance |  | 14,575 |
Unfunded Loan Commitment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 582 |  |
Charge-offs | 0 |  |
Recoveries | 0 |  |
Day 2 provision for credit losses on unfunded commitments acquired from Select | 3,982 |  |
Provision for credit losses on changes in unfunded commitments | 1,438 |  |
Ending balance | 13,506 | 582 |
Unfunded Loan Commitment | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | $ 7,504 |  |
Ending balance |  | $ 7,504 |

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- Definition Financing Receivable, Excluding Accrued Interest, Allowance For Credit Loss, Recovery + References No definition available. + Details
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- Definition Financing Receivable, Excluding Accrued Interest, Allowance For Credit Loss, Writeoff + References No definition available. + Details
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- Definition Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) + References No definition available. + Details
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- Definition Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), From Acquisitions + 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 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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