Loans Receivable and Allowance for Credit Losses - Financing Receivables, Aging of loans (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net of allowance of $15,306, and $15,227	$ 1,168,079,000	$ 1,167,083,000
Total loans	1,183,385,000	1,182,310,000
Loans 90 days and or more past due and still accruing interest	0	0
Deferred loan fee (costs)		151,000
Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,182,159,000
Pass, grade 1-4
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,126,453,000
Pass, grade 1-4 | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,110,622,000
Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,183,385,000
Property total | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,182,159,000
Total real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,083,262,000
Total real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,088,733,000
Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	260,970,000	232,869,000
Permanent owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		233,785,000
Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	232,238,000	241,311,000
Permanent non-owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		242,051,000
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	140,022,000	126,866,000
Multifamily | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		126,895,000
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	394,691,000	407,904,000
Commercial real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		407,882,000
Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	55,341,000	77,644,000
Construction Land Development | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		78,120,000
Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	27,975,000	31,363,000
Business | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		31,371,000
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	72,148,000
Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		62,055,000
Financial Asset, Past Due | Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net of allowance of $15,306, and $15,227	1,200,000	220,000
Total loans	1,238,000
Financial Asset, Past Due | Property total | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		220,000
Financial Asset, Past Due | Total real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	357,000
Financial Asset, Past Due | Total real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		27,000
Financial Asset, Past Due | Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	333,000
Financial Asset, Past Due | Permanent owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Past Due | Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	24,000
Financial Asset, Past Due | Permanent non-owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		27,000
Financial Asset, Past Due | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Past Due | Multifamily | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Past Due | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Past Due | Commercial real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Past Due | Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Past Due | Construction Land Development | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Past Due | Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Past Due | Business | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Past Due | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	881,000
Financial Asset, Past Due | Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		193,000
Financial Asset, 30 to 59 Days Past Due | Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	720,000
Financial Asset, 30 to 59 Days Past Due | Property total | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		27,000
Financial Asset, 30 to 59 Days Past Due | Total real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	40,000
Financial Asset, 30 to 59 Days Past Due | Total real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		27,000
Financial Asset, 30 to 59 Days Past Due | Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	40,000
Financial Asset, 30 to 59 Days Past Due | Permanent owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 30 to 59 Days Past Due | Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 30 to 59 Days Past Due | Permanent non-owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		27,000
Financial Asset, 30 to 59 Days Past Due | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 30 to 59 Days Past Due | Multifamily | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 30 to 59 Days Past Due | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 30 to 59 Days Past Due | Commercial real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 30 to 59 Days Past Due | Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 30 to 59 Days Past Due | Construction Land Development | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 30 to 59 Days Past Due | Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 30 to 59 Days Past Due | Business | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 30 to 59 Days Past Due | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	680,000
Financial Asset, 30 to 59 Days Past Due | Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	317,000
Financial Asset, 60 to 89 Days Past Due | Property total | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Total real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	317,000
Financial Asset, 60 to 89 Days Past Due | Total real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	293,000
Financial Asset, 60 to 89 Days Past Due | Permanent owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	24,000
Financial Asset, 60 to 89 Days Past Due | Permanent non-owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 60 to 89 Days Past Due | Multifamily | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 60 to 89 Days Past Due | Commercial real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans
Financial Asset, 60 to 89 Days Past Due | Construction Land Development | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 60 to 89 Days Past Due | Business | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, 60 to 89 Days Past Due | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, 60 to 89 Days Past Due | Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	201,000
Financial Asset, Equal to or Greater than 90 Days Past Due | Property total | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		193,000
Financial Asset, Equal to or Greater than 90 Days Past Due | Total real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Total real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Permanent owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Permanent non-owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Multifamily | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Construction Land Development | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Business | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	201,000	193,000
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		193,000
Current | Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,182,147,000
Current | Property total | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,181,939,000
Current | Total real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,082,905,000
Current | Total real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,088,706,000
Current | Permanent owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	260,637,000
Current | Permanent owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		233,785,000
Current | Permanent non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	232,214,000
Current | Permanent non-owner occupied | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		242,024,000
Current | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	140,022,000
Current | Multifamily | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		126,895,000
Current | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	394,691,000
Current | Commercial real estate | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		407,882,000
Current | Construction Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	55,341,000
Current | Construction Land Development | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		78,120,000
Current | Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	27,975,000
Current | Business | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		31,371,000
Current | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 71,267,000
Current | Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		$ 61,862,000