Loans Receivable - Financing Receivables, Aging of loans (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net of allowance of $16,028, and $15,227	$ 1,184,750,000	$ 1,167,083,000
Total loans	1,200,778,000	1,182,310,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,182,159,000
Property total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,200,778,000
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	1,098,500,000
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	242,477,000	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	240,183,000	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	143,332,000	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	408,905,000	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	63,603,000	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	31,659,000	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	70,619,000
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 $16,028, and $15,227	230,000	220,000
Total loans	230,000
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	0
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	0
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	0
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	230,000
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	29,000
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	0
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	0
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
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	29,000
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	0
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	0
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	0
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	0
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
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	1,200,548,000
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	1,098,500,000
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	242,477,000
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	240,183,000
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	143,332,000
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	408,905,000
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	63,603,000
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	31,659,000
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	$ 70,389,000
Current | Consumer | Previously Reported
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		$ 61,862,000