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Loans and Allowance for Credit Losses - Amortized Cost and Unpaid Principal of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | $ 1,413,886 | $ 1,444,050 |
Allowance for credit losses, loans | (11,739) | (21,136) | $ (19,088)
Net loans | 1,402,147 | 1,422,914 |
Unpaid Principal | 1,425,429 | 1,455,830 |
Difference | (11,543) | (11,780) |
Commercial & industrial loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 448,338 | 772,468 |
Allowance for credit losses, loans | (3,027) | (7,973) | (6,604)
Unpaid Principal | 454,106 |  |
Difference | (5,768) |  |
Commercial & industrial loans | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 612,254 |
Unpaid Principal |  | 619,304 |
Difference |  | (7,050) |
Commercial real estate | Owner occupied properties |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 300,200 |  |
Allowance for credit losses, loans | (3,176) |  |
Unpaid Principal | 301,623 |  |
Difference | (1,423) |  |
Commercial real estate | Owner occupied properties | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 233,320 |
Unpaid Principal |  | 234,363 |
Difference |  | (1,043) |
Commercial real estate | Non-owner occupied and multifamily properties |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 435,311 |  |
Allowance for credit losses, loans | (2,930) |  |
Unpaid Principal | 438,631 |  |
Difference | (3,320) |  |
Commercial real estate | Non-owner occupied and multifamily properties | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 392,452 |
Unpaid Principal |  | 394,860 |
Difference |  | (2,408) |
Residential real estate | 1-4 family residential properties secured by first liens |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 32,542 |  |
Allowance for credit losses, loans | (439) |  |
Unpaid Principal | 32,602 |  |
Difference | (60) |  |
Residential real estate | 1-4 family residential properties secured by first liens | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 33,415 |
Unpaid Principal |  | 33,510 |
Difference |  | (95) |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 19,610 |  |
Allowance for credit losses, loans | (215) |  |
Unpaid Principal | 19,489 |  |
Difference | 121 |  |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 18,236 |
Unpaid Principal |  | 18,114 |
Difference |  | 122 |
Residential real estate | 1-4 family residential construction loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 36,222 |  |
Allowance for credit losses, loans | (120) |  |
Unpaid Principal | 36,542 |  |
Difference | (320) |  |
Residential real estate | 1-4 family residential construction loans | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 32,500 |
Unpaid Principal |  | 32,760 |
Difference |  | (260) |
Other construction, land development and raw land loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 88,094 |  |
Allowance for credit losses, loans | (1,635) |  |
Unpaid Principal | 88,604 |  |
Difference | (510) |  |
Other construction, land development and raw land loans | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 83,463 |
Unpaid Principal |  | 84,351 |
Difference |  | (888) |
Obligations of states and political subdivisions in the US |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 16,403 |  |
Allowance for credit losses, loans | (32) |  |
Unpaid Principal | 16,565 |  |
Difference | (162) |  |
Obligations of states and political subdivisions in the US | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 15,318 |
Unpaid Principal |  | 15,274 |
Difference |  | 44 |
Agricultural production, including commercial fishing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 27,959 |  |
Allowance for credit losses, loans | (91) |  |
Unpaid Principal | 28,082 |  |
Difference | (123) |  |
Agricultural production, including commercial fishing | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 12,968 |
Unpaid Principal |  | 13,093 |
Difference |  | (125) |
Consumer loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 4,801 |  |
Allowance for credit losses, loans | (67) |  |
Unpaid Principal | 4,763 |  |
Difference | 38 |  |
Consumer loans | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 5,734 |
Unpaid Principal |  | 5,794 |
Difference |  | (60) |
Other loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans | 4,406 | 0 |
Allowance for credit losses, loans | (7) | (2,107) | $ (2,079)
Unpaid Principal | 4,422 |  |
Difference | $ (16) |  |
Other loans | Cumulative effect, period of adoption, adjusted balance |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total portfolio loans |  | 4,390 |
Unpaid Principal |  | 4,407 |
Difference |  | $ (17) |

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