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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | $ 2,162,632 |  | $ 2,255,645 |  |  |
Allowance for credit losses on loans | (22,539) | $ (22,547) | (23,023) | $ (19,100) | $ (19,958) | $ (22,874)
Total loans, net of allowance for credit losses on loans | 2,140,093 |  | 2,232,622 |  |  |
Net deferred loan origination costs (fees) | 1,400 |  | (901) |  |  |
Unrecognized purchase discounts on non-PCI loans | 2,700 |  | 2,500 |  |  |
Financing receivable, accrued interest, net | 5,800 |  | 7,100 |  |  |
Commercial loans | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 213,122 |  | 301,602 |  |  |
Allowance for credit losses on loans | (1,699) | (1,784) | (1,709) | (1,590) | (1,654) | (2,530)
Commercial real estate loans | Commercial owner-occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 382,897 |  | 392,345 |  |  |
Allowance for credit losses on loans | (2,617) | (2,622) | (2,776) | (2,037) | (2,304) | (2,778)
Commercial real estate loans | Commercial investor-owned |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 1,190,419 |  | 1,189,021 |  |  |
Allowance for credit losses on loans | (12,439) | (12,301) | (12,739) | (10,761) | (10,856) | (12,682)
Commercial real estate loans | Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 118,147 |  | 119,840 |  |  |
Allowance for credit losses on loans | (1,737) | (1,717) | (1,653) | (1,142) | (1,312) | (1,557)
Residential loans | Home equity |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 90,629 |  | 88,746 |  |  |
Allowance for credit losses on loans | (530) | (549) | (595) | (412) | (520) | (738)
Residential loans | Other residential |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 113,361 |  | 114,558 |  |  |
Allowance for credit losses on loans | (585) | (628) | (644) | (613) | (757) | (998)
Consumer loans | Installment and other consumer loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Loans at amortized cost | 54,057 |  | 49,533 |  |  |
Allowance for credit losses on loans | $ (733) | $ (641) | $ (621) | $ (238) | $ (255) | $ (291)

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