Loans Receivable Held for Investment, Aging of Recorded Investment in Past Due Loans by Loan Type (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	$ 934,788	$ 888,577
Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	770	780
30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	9	379
60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	360	401
Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	401	0
Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	934,018	887,797
Real Estate [Member] | Single-Family [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	28,184	24,702
Real Estate [Member] | Single-Family [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Single-Family [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Single-Family [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Single-Family [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Single-Family [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	28,184	24,702
Real Estate [Member] | Multi-Family [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	602,954	563,418
Real Estate [Member] | Multi-Family [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	401	401
Real Estate [Member] | Multi-Family [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Multi-Family [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	401
Real Estate [Member] | Multi-Family [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	401	0
Real Estate [Member] | Multi-Family [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	602,553	563,017
Real Estate [Member] | Commercial Real Estate [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	124,717	119,436
Real Estate [Member] | Commercial Real Estate [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Commercial Real Estate [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Commercial Real Estate [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	124,717	119,436
Real Estate [Member] | Church [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	12,573	12,717
Real Estate [Member] | Church [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Church [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Church [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Church [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Church [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	12,573	12,717
Real Estate [Member] | Construction [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	90,333	89,887
Real Estate [Member] | Construction [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Construction [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Construction [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Construction [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Real Estate [Member] | Construction [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	90,333	89,887
Commercial - Other [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	63,538	63,450
Commercial - Other [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Commercial - Other [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Commercial - Other [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Commercial - Other [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Commercial - Other [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	63,538	63,450
SBA Loans [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	12,475	14,954
SBA Loans [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	369	379
SBA Loans [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	9	379
SBA Loans [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	360	0
SBA Loans [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
SBA Loans [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	12,106	14,575
Consumer [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	14	13
Consumer [Member] | Total Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Consumer [Member] | 30-59 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Consumer [Member] | 60-89 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Consumer [Member] | Greater than 90 Days Past Due [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	0	0
Consumer [Member] | Current [Member]
Aging of Recorded Investment in Past Due Loans by Loan Type [Abstract]
Recorded total loans	$ 14	$ 13