Loans and Allowance for Credit Losses - Activity in ACL Related to Loans Held for Investment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 17,533	$ 14,157	$ 17,270	$ 13,838
Credit Loss Expense (Benefit)	135	1,510	356	1,769
Charge-offs	0	(49)	(25)	(63)
Recoveries	26	27	93	101
Ending Balance	17,694	15,645	17,694	15,645
Commercial & industrial loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	4,052	3,080	3,438	2,914
Credit Loss Expense (Benefit)	(22)	366	532	467
Charge-offs	0	(49)	0	(49)
Recoveries	17	21	77	86
Ending Balance	4,047	3,418	4,047	3,418
Commercial real estate | Owner occupied properties
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,893	2,778	2,867	3,094
Credit Loss Expense (Benefit)	70	29	96	(287)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	2,963	2,807	2,963	2,807
Commercial real estate | Non-owner occupied and multifamily properties
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	3,419	3,174	3,294	3,615
Credit Loss Expense (Benefit)	80	86	205	(355)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	3,499	3,260	3,499	3,260
Residential real estate | 1-4 family residential properties secured by first liens
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	3,425	2,226	3,470	1,413
Credit Loss Expense (Benefit)	64	980	19	1,793
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	3,489	3,206	3,489	3,206
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	581	392	551	389
Credit Loss Expense (Benefit)	80	26	104	22
Charge-offs	0	0	0	0
Recoveries	4	5	10	12
Ending Balance	665	423	665	423
Residential real estate | 1-4 family residential construction loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	159	260	191	312
Credit Loss Expense (Benefit)	21	(54)	(11)	(106)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	180	206	180	206
Other construction, land development and raw land loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,675	1,925	3,127	1,803
Credit Loss Expense (Benefit)	(149)	71	(601)	193
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	2,526	1,996	2,526	1,996
Obligations of states and political subdivisions in the US
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	105	106	80	79
Credit Loss Expense (Benefit)	(5)	(18)	20	9
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	100	88	100	88
Agricultural production, including commercial fishing
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	156	150	168	145
Credit Loss Expense (Benefit)	(4)	12	9	17
Charge-offs	0	0	(25)	0
Recoveries	5	0	5	0
Ending Balance	157	162	157	162
Consumer loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	60	61	81	68
Credit Loss Expense (Benefit)	1	12	(21)	17
Charge-offs	0	0	0	(14)
Recoveries	0	1	1	3
Ending Balance	61	74	61	74
Other loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	8	5	3	6
Credit Loss Expense (Benefit)	(1)	0	4	(1)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	$ 7	$ 5	$ 7	$ 5