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Loans and 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, 2023 | Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | $ 19,052 | $ 66,291
End of Period Nonaccrual | 22,947 | 19,052
Nonaccrual With No Related Allowance | 10,516 | 6,582
Interest income recognized on nonaccrual | 603 | 1,385
Commercial Loans | Commercial real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 7,100 | 31,488
End of Period Nonaccrual | 6,320 | 7,100
Nonaccrual With No Related Allowance | 5,940 | 5,649
Interest income recognized on nonaccrual | 46 | 580
Commercial Loans | Commercial and industrial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 283 | 15,239
End of Period Nonaccrual | 878 | 283
Nonaccrual With No Related Allowance | 0 | 0
Interest income recognized on nonaccrual | 38 | 148
Commercial Loans | Commercial construction |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 384 | 2,471
End of Period Nonaccrual | 4,960 | 384
Nonaccrual With No Related Allowance | 4,576 | 0
Interest income recognized on nonaccrual | 0 | 171
Commercial Loans | Business banking |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 4,490 | 9,641
End of Period Nonaccrual | 4,147 | 4,490
Nonaccrual With No Related Allowance | 0 | 933
Interest income recognized on nonaccrual | 209 | 228
Consumer Loans | Consumer real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 6,526 | 7,294
End of Period Nonaccrual | 6,312 | 6,526
Nonaccrual With No Related Allowance | 0 | 0
Interest income recognized on nonaccrual | 308 | 257
Consumer Loans | Other consumer |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Beginning of Period Nonaccrual | 269 | 158
End of Period Nonaccrual | 330 | 269
Nonaccrual With No Related Allowance | 0 | 0
Interest income recognized on nonaccrual | $ 2 | $ 1

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