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Allowance for Credit Losses - Loans on Nonaccrual Status and Loans Past Due 90 Days or More and Still Accruing (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | $ 146,774 | $ 54,057
End of Period Nonaccrual | 66,291 | 146,774
Nonaccrual With No Related Allowance | 37,469 | 71,410
Past Due 90+ Days Still Accruing |  | 503
Interest Income Recognized on Nonaccrual | 1,128 | 826
Commercial | Commercial real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 101,070 | 25,356
End of Period Nonaccrual | 31,488 | 101,070
Nonaccrual With No Related Allowance | 28,046 | 60,401
Past Due 90+ Days Still Accruing |  | 0
Interest Income Recognized on Nonaccrual | 158 | 22
Commercial | Commercial and industrial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 16,985 | 10,911
End of Period Nonaccrual | 15,239 | 16,985
Nonaccrual With No Related Allowance | 5,707 | 6,436
Past Due 90+ Days Still Accruing |  | 0
Interest Income Recognized on Nonaccrual | 74 | 101
Commercial | Commercial construction |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 384 | 737
End of Period Nonaccrual | 2,471 | 384
Nonaccrual With No Related Allowance | 2,020 | 285
Past Due 90+ Days Still Accruing |  | 0
Interest Income Recognized on Nonaccrual | (28) | 0
Commercial | Business banking |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 17,122 | 9,863
End of Period Nonaccrual | 9,641 | 17,122
Nonaccrual With No Related Allowance | 1,696 | 3,890
Past Due 90+ Days Still Accruing |  | 371
Interest Income Recognized on Nonaccrual | 427 | 275
Consumer | Consumer real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 11,117 | 6,063
End of Period Nonaccrual | 7,294 | 11,117
Nonaccrual With No Related Allowance | 0 | 398
Past Due 90+ Days Still Accruing |  | 132
Interest Income Recognized on Nonaccrual | 496 | 423
Consumer | Other consumer |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 96 | 1,127
End of Period Nonaccrual | 158 | 96
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90+ Days Still Accruing |  | 0
Interest Income Recognized on Nonaccrual | $ 1 | $ 4

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- Definition Amount of interest income on financing receivable on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 + Details
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