Loans Receivable Held for Investment, Collateral dependent loans by collateral type (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) Loan	Dec. 31, 2022 USD ($)
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	$ 783,348	$ 773,444
Individually evaluated loans based on the underlying value of collateral	$ 1,200
Number of loans individually evaluated using discounted cash flow approach | Loan	0
Collateral Pledged [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	$ 1,219
Collateral Pledged - Single Family [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	53
Collateral Pledged - Condominium [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	112
Collateral Pledged - Church [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	773
Collateral Pledged - Business Assets [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	281
Real Estate [Member] | Single Family [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	29,216	30,038
Real Estate [Member] | Single Family [Member] | Collateral Pledged [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	165
Real Estate [Member] | Single Family [Member] | Collateral Pledged - Single Family [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	53
Real Estate [Member] | Single Family [Member] | Collateral Pledged - Condominium [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	112
Real Estate [Member] | Single Family [Member] | Collateral Pledged - Church [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Single Family [Member] | Collateral Pledged - Business Assets [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Commercial Real Estate [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	129,031	114,574
Real Estate [Member] | Commercial Real Estate [Member] | Collateral Pledged [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	78
Real Estate [Member] | Commercial Real Estate [Member] | Collateral Pledged - Single Family [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Commercial Real Estate [Member] | Collateral Pledged - Condominium [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Commercial Real Estate [Member] | Collateral Pledged - Church [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	78
Real Estate [Member] | Commercial Real Estate [Member] | Collateral Pledged - Business Assets [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Church [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	13,983	15,780
Real Estate [Member] | Church [Member] | Collateral Pledged [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	695
Real Estate [Member] | Church [Member] | Collateral Pledged - Single Family [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Church [Member] | Collateral Pledged - Condominium [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Real Estate [Member] | Church [Member] | Collateral Pledged - Church [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	695
Real Estate [Member] | Church [Member] | Collateral Pledged - Business Assets [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Commercial - Other [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans		$ 68,442
Commercial - Other [Member] | Collateral Pledged [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	281
Commercial - Other [Member] | Collateral Pledged - Single Family [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Commercial - Other [Member] | Collateral Pledged - Condominium [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Commercial - Other [Member] | Collateral Pledged - Church [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	0
Commercial - Other [Member] | Collateral Pledged - Business Assets [Member]
Collateral Dependent Loans By Collateral Type [Abstract]
Total Loans	$ 281