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Loans and Allowance for Credit Losses - Activity in ACL Related to Loans Held for Investment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | $ 21,136 | $ 19,088
Credit Loss Expense (Benefit)/ Provision (benefit) | (3,779) | 2,432
Charge-offs | (1,452) | (1,121)
Recoveries | 345 | 737
Ending Balance | 11,739 | 21,136
Cumulative effect, period of adoption, adjustment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (4,511) |
Ending Balance |  | (4,511)
Commercial & industrial loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 7,973 | 6,604
Credit Loss Expense (Benefit)/ Provision (benefit) | (122) | 1,680
Charge-offs | (1,452) | (1,021)
Recoveries | 253 | 710
Ending Balance | 3,027 | 7,973
Commercial & industrial loans | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (7,973) |
Ending Balance |  | (7,973)
Commercial & industrial loans | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 4,348 |
Ending Balance |  | 4,348
Real estate construction one-to-four family |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 679 | 643
Credit Loss Expense (Benefit)/ Provision (benefit) |  | 36
Charge-offs |  | 0
Recoveries |  | 0
Ending Balance |  | 679
Real estate construction one-to-four family | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (679) |
Ending Balance |  | (679)
Real estate construction other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 1,179 | 1,017
Credit Loss Expense (Benefit)/ Provision (benefit) |  | 162
Charge-offs |  | 0
Recoveries |  | 0
Ending Balance |  | 1,179
Real estate construction other | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (1,179) |
Ending Balance |  | (1,179)
Real estate term owner occupied |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 2,625 | 2,188
Credit Loss Expense (Benefit)/ Provision (benefit) |  | 522
Charge-offs |  | (85)
Recoveries |  | 0
Ending Balance |  | 2,625
Real estate term owner occupied | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (2,625) |
Ending Balance |  | (2,625)
Real estate term non-owner occupied |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 5,133 | 5,180
Credit Loss Expense (Benefit)/ Provision (benefit) |  | (47)
Charge-offs |  | 0
Recoveries |  | 0
Ending Balance |  | 5,133
Real estate term non-owner occupied | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (5,133) |
Ending Balance |  | (5,133)
Real estate term other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 779 | 671
Credit Loss Expense (Benefit)/ Provision (benefit) |  | 106
Charge-offs |  | 0
Recoveries |  | 2
Ending Balance |  | 779
Real estate term other | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (779) |
Ending Balance |  | (779)
Consumer secured by 1st deeds of trust |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 261 | 270
Credit Loss Expense (Benefit)/ Provision (benefit) |  | (9)
Charge-offs |  | 0
Recoveries |  | 0
Ending Balance |  | 261
Consumer secured by 1st deeds of trust | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (261) |
Ending Balance |  | (261)
Consumer other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 400 | 436
Credit Loss Expense (Benefit)/ Provision (benefit) |  | (46)
Charge-offs |  | (15)
Recoveries |  | 25
Ending Balance |  | 400
Consumer other | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (400) |
Ending Balance |  | (400)
Other loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 2,107 | 2,079
Credit Loss Expense (Benefit)/ Provision (benefit) | 4 | 28
Charge-offs | 0 | 0
Recoveries | 0 | 0
Ending Balance | 7 | 2,107
Other loans | Cumulative effect of adoption of accounting principles, legacy segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | (2,107) |
Ending Balance |  | (2,107)
Other loans | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 3 |
Ending Balance |  | 3
Commercial real estate | Owner occupied properties |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (412) |
Charge-offs | 0 |
Recoveries | 9 |
Ending Balance | 3,176 |
Commercial real estate | Owner occupied properties | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 3,579 |
Ending Balance |  | 3,579
Commercial real estate | Non-owner occupied and multifamily properties |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (2,014) |
Charge-offs | 0 |
Recoveries | 0 |
Ending Balance | 2,930 |
Commercial real estate | Non-owner occupied and multifamily properties | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 4,944 |
Ending Balance |  | 4,944
Residential real estate | 1-4 family residential properties secured by first liens |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (234) |
Charge-offs | 0 |
Recoveries | 0 |
Ending Balance | 439 |
Residential real estate | 1-4 family residential properties secured by first liens | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 673 |
Ending Balance |  | 673
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (242) |
Charge-offs | 0 |
Recoveries | 38 |
Ending Balance | 215 |
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 419 |
Ending Balance |  | 419
Residential real estate | 1-4 family residential construction loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (334) |
Charge-offs | 0 |
Recoveries | 0 |
Ending Balance | 120 |
Residential real estate | 1-4 family residential construction loans | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 454 |
Ending Balance |  | 454
Other construction, land development and raw land loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (359) |
Charge-offs | 0 |
Recoveries | 0 |
Ending Balance | 1,635 |
Other construction, land development and raw land loans | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 1,994 |
Ending Balance |  | 1,994
Obligations of states and political subdivisions in the US |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (12) |
Charge-offs | 0 |
Recoveries | 0 |
Ending Balance | 32 |
Obligations of states and political subdivisions in the US | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 44 |
Ending Balance |  | 44
Agricultural production, including commercial fishing |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | 11 |
Charge-offs | 0 |
Recoveries | 31 |
Ending Balance | 91 |
Agricultural production, including commercial fishing | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | 49 |
Ending Balance |  | 49
Consumer loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Credit Loss Expense (Benefit)/ Provision (benefit) | (65) |
Charge-offs | 0 |
Recoveries | 14 |
Ending Balance | 67 |
Consumer loans | Cumulative effect of adoption of accounting principles, revised segmentation |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning Balance | $ 118 |
Ending Balance |  | $ 118

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