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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Recorded Investment, Unpaid Principal Balance, and Related Allowance for Loans and Leases Considered Impaired (Details) - Loans Excluding Acquired Impaired Loans - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable Impaired [Line Items] |  |
Recorded Investment | $ 71,452 | $ 72,923
Unpaid Principal Balance | 79,358 | 81,634
Related Allowance | 20,739 | 21,038
Commercial Real Estate |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 14,083 | 17,233
Recorded Investment, With an allowance recorded | 22,722 | 17,818
Unpaid Principal Balance, With no related allowance recorded | 15,163 | 19,252
Unpaid Principal Balance, With an allowance recorded | 26,515 | 20,117
Related Allowance | 7,731 | 6,538
Residential Real Estate |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 2,104 | 1,802
Recorded Investment, With an allowance recorded | 86 |
Unpaid Principal Balance, With no related allowance recorded | 2,209 | 1,919
Unpaid Principal Balance, With an allowance recorded | 108 |
Related Allowance | 6 |
Commercial and Industrial |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 12,285 | 16,624
Recorded Investment, With an allowance recorded | 20,172 | 19,446
Unpaid Principal Balance, With no related allowance recorded | 13,891 | 19,148
Unpaid Principal Balance, With an allowance recorded | 21,472 | 21,198
Related Allowance | $ 13,002 | $ 14,500

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