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Allowance for Credit Losses - Allowance for Credit Loss Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | $ 98,576 | $ 117,612
Provision for credit losses on loans | 5,359 | 15,494
Charge-offs | (11,617) | (37,524)
Recoveries | 9,022 | 2,994
Net (Charge-offs)/Recoveries | (2,595) | (34,530)
Balance at End of Period | 101,340 | 98,576
Commercial | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 50,700 | 65,656
Provision for credit losses on loans | (9,064) | (2,569)
Charge-offs | (827) | (13,444)
Recoveries | 619 | 1,057
Net (Charge-offs)/Recoveries | (208) | (12,387)
Balance at End of Period | 41,428 | 50,700
Commercial | Commercial and industrial |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 19,727 | 16,100
Provision for credit losses on loans | 4,797 | 23,746
Charge-offs | (5,797) | (20,923)
Recoveries | 6,983 | 804
Net (Charge-offs)/Recoveries | 1,186 | (20,119)
Balance at End of Period | 25,710 | 19,727
Commercial | Commercial construction |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 5,355 | 7,239
Provision for credit losses on loans | 908 | (1,842)
Charge-offs | 0 | (56)
Recoveries | 1 | 14
Net (Charge-offs)/Recoveries | 1 | (42)
Balance at End of Period | 6,264 | 5,355
Commercial | Business banking |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 11,338 | 15,917
Provision for credit losses on loans | 3,644 | (3,159)
Charge-offs | (3,314) | (1,580)
Recoveries | 879 | 160
Net (Charge-offs)/Recoveries | (2,435) | (1,420)
Balance at End of Period | 12,547 | 11,338
Consumer | Consumer real estate |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 8,733 | 10,014
Provision for credit losses on loans | 3,536 | (1,020)
Charge-offs | (304) | (569)
Recoveries | 140 | 308
Net (Charge-offs)/Recoveries | (164) | (261)
Balance at End of Period | 12,105 | 8,733
Consumer | Other consumer |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Balance at beginning of period | 2,723 | 2,686
Provision for credit losses on loans | 1,538 | 338
Charge-offs | (1,375) | (952)
Recoveries | 400 | 651
Net (Charge-offs)/Recoveries | (975) | (301)
Balance at End of Period | $ 3,286 | $ 2,723

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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 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 increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + 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 (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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