Loans and Allowance for Credit Losses - Activity in ACL Related to Loans Held for Investment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	$ 11,739	$ 16,625
Credit Loss Expense (Benefit)	972	(3,779)
Charge-offs	(509)	(1,452)
Recoveries	1,636	345
Ending Balance	13,838	11,739
Commercial & industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	3,027	4,348
Credit Loss Expense (Benefit)	(1,124)	(122)
Charge-offs	(506)	(1,452)
Recoveries	1,517	253
Ending Balance	2,914	3,027
Commercial real estate | Owner occupied properties
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	3,176	3,579
Credit Loss Expense (Benefit)	(137)	(412)
Charge-offs	0	0
Recoveries	55	9
Ending Balance	3,094	3,176
Commercial real estate | Non-owner occupied and multifamily properties
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	2,930	4,944
Credit Loss Expense (Benefit)	685	(2,014)
Charge-offs	0	0
Recoveries	0	0
Ending Balance	3,615	2,930
Residential real estate | 1-4 family residential properties secured by first liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	439	673
Credit Loss Expense (Benefit)	969	(234)
Charge-offs	0	0
Recoveries	5	0
Ending Balance	1,413	439
Residential real estate | 1-4 family residential construction loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	120	454
Credit Loss Expense (Benefit)	192	(334)
Charge-offs	0	0
Recoveries	0	0
Ending Balance	312	120
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]
Beginning Balance	215	419
Credit Loss Expense (Benefit)	134	(242)
Charge-offs	0	0
Recoveries	40	38
Ending Balance	389	215
Other construction, land development and raw land loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	1,635	1,994
Credit Loss Expense (Benefit)	168	(359)
Charge-offs	0	0
Recoveries	0	0
Ending Balance	1,803	1,635
Obligations of states and political subdivisions in the US
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	32	44
Credit Loss Expense (Benefit)	47	(12)
Charge-offs	0	0
Recoveries	0	0
Ending Balance	79	32
Agricultural production, including commercial fishing
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	91	49
Credit Loss Expense (Benefit)	39	11
Charge-offs	0	0
Recoveries	15	31
Ending Balance	145	91
Consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	67	118
Credit Loss Expense (Benefit)	0	(65)
Charge-offs	(3)	0
Recoveries	4	14
Ending Balance	68	67
Other loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	7	3
Credit Loss Expense (Benefit)	(1)	4
Charge-offs	0	0
Recoveries	0	0
Ending Balance	$ 6	$ 7