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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | $ 2,201,854 | $ 2,255,645 |  |
Allowance for credit losses on loans | (22,547) | (23,023) | $ (19,958) | $ (22,874)
Total loans, net of allowance for credit losses on loans | 2,179,307 | 2,232,622 |  |
Deferred loan fees | 690 | (901) |  |
Unrecognized purchase discounts on non-PCI loans | 2,600 | 2,500 |  |
Financing receivable, accrued interest, net | 6,200 | 7,100 |  |
Commercial loans | Commercial and industrial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 248,625 | 301,602 |  |
Allowance for credit losses on loans | (1,784) | (1,709) | (1,654) | (2,530)
Commercial real estate loans | Commercial owner-occupied |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 391,924 | 392,345 |  |
Allowance for credit losses on loans | (2,622) | (2,776) | (2,304) | (2,778)
Commercial real estate loans | Commercial investor-owned |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 1,176,918 | 1,189,021 |  |
Allowance for credit losses on loans | (12,301) | (12,739) | (10,856) | (12,682)
Commercial real estate loans | Construction |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 131,015 | 119,840 |  |
Allowance for credit losses on loans | (1,717) | (1,653) | (1,312) | (1,557)
Residential loans | Home equity |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 88,092 | 88,746 |  |
Allowance for credit losses on loans | (549) | (595) | (520) | (738)
Residential loans | Other residential |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 114,277 | 114,558 |  |
Allowance for credit losses on loans | (628) | (644) | (757) | (998)
Consumer loans | Installment and other consumer loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Loans at amortized cost | 51,003 | 49,533 |  |
Allowance for credit losses on loans | $ (641) | $ (621) | $ (255) | $ (291)

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