Loans Receivable Held for Investment, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	$ 888,577	$ 773,444
Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	736,844	685,387
Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	124,208	65,717
Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	5,841	16,590
Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	21,684	5,750
Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Single-Family [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	24,702	30,038
Real Estate [Member] | Single-Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	21,135	29,022
Real Estate [Member] | Single-Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,749	354
Real Estate [Member] | Single-Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	116	260
Real Estate [Member] | Single-Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,702	402
Real Estate [Member] | Single-Family [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Single-Family [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Multi-Family [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	563,418	503,896
Real Estate [Member] | Multi-Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	529,860	479,182
Real Estate [Member] | Multi-Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	18,549	9,855
Real Estate [Member] | Multi-Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,243	14,859
Real Estate [Member] | Multi-Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	12,766	0
Real Estate [Member] | Multi-Family [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Multi-Family [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Commercial Real Estate [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	119,436	114,574
Real Estate [Member] | Commercial Real Estate [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	104,539	104,066
Real Estate [Member] | Commercial Real Estate [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	8,327	4,524
Real Estate [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	325	1,471
Real Estate [Member] | Commercial Real Estate [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	6,245	4,513
Real Estate [Member] | Commercial Real Estate [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Commercial Real Estate [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Church [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	12,717	15,780
Real Estate [Member] | Church [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	9,585	14,505
Real Estate [Member] | Church [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,161	728
Real Estate [Member] | Church [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Church [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	971	547
Real Estate [Member] | Church [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Church [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Construction [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	89,887	40,703
Real Estate [Member] | Construction [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,307	2,173
Real Estate [Member] | Construction [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	85,060	38,530
Real Estate [Member] | Construction [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,520	0
Real Estate [Member] | Construction [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Construction [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Real Estate [Member] | Construction [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Commercial - Others [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	63,450	64,841
Commercial - Others [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	54,918	53,396
Commercial - Others [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	8,362	11,157
Commercial - Others [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	170	0
Commercial - Others [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	288
Commercial - Others [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Commercial - Others [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
SBA Loans [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	14,954	3,601
SBA Loans [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	14,487	3,032
SBA Loans [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	569
SBA Loans [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	467	0
SBA Loans [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
SBA Loans [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
SBA Loans [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Consumer [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	13	11
Consumer [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	13	11
Consumer [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Consumer [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Consumer [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	$ 0	0
Consumer [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Consumer [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		$ 0