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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Average Recorded Investment and Interest Income Recognized for Loans and Leases Considered Impaired (Details) - Loans Excluding Acquired Impaired Loans - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment | $ 77,345 | $ 108,174
Interest Income Recognized | 1,024 | 894
Commercial Real Estate |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 16,068 | 34,961
Average Recorded Investment, With an allowance recorded | 21,252 | 22,178
Interest Income Recognized, With no related allowance recorded | 236 | 311
Interest Income Recognized, With an allowance recorded | 375 | 161
Residential Real Estate |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 2,005 | 3,080
Average Recorded Investment, With an allowance recorded | 29 | 298
Interest Income Recognized, With no related allowance recorded | 12 | 18
Interest Income Recognized, With an allowance recorded | 0 | 2
Commercial and Industrial |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 17,380 | 16,568
Average Recorded Investment, With an allowance recorded | 20,611 | 31,089
Interest Income Recognized, With no related allowance recorded | 123 | 129
Interest Income Recognized, With an allowance recorded | $ 278 | $ 273

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