Loans Receivable Held for Investment, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	$ 843,113	$ 773,444
Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	727,898	685,387
Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	87,430	65,717
Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	6,330	16,590
Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	21,455	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	25,514	30,038
Real Estate [Member] | Single Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	23,885	29,022
Real Estate [Member] | Single Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,037	354
Real Estate [Member] | Single Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	252	260
Real Estate [Member] | Single Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	340	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	534,057	503,896
Real Estate [Member] | Multi-Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	512,650	479,182
Real Estate [Member] | Multi-Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	4,267	9,855
Real Estate [Member] | Multi-Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,256	14,859
Real Estate [Member] | Multi-Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	14,884	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	116,100	114,574
Real Estate [Member] | Commercial Real Estate [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	109,761	104,066
Real Estate [Member] | Commercial Real Estate [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,088	4,524
Real Estate [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	1,471
Real Estate [Member] | Commercial Real Estate [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	5,251	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	12,896	15,780
Real Estate [Member] | Church [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	11,276	14,505
Real Estate [Member] | Church [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	728
Real Estate [Member] | Church [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	640	0
Real Estate [Member] | Church [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	980	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	81,813	40,703
Real Estate [Member] | Construction [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	4,442	2,173
Real Estate [Member] | Construction [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	74,851	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 - Other [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	64,943	64,841
Commercial - Other [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	58,584	53,396
Commercial - Other [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	6,187	11,157
Commercial - Other [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	172	0
Commercial - Other [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	288
Commercial - Other [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable		0
Commercial - Other [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	7,770	3,601
SBA Loans [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	7,280	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	490	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	20	11
Consumer [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	20	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