Loans Receivable Held for Investment, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	$ 783,348	$ 773,444
Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	681,108	685,387
Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	78,065	65,717
Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,571	16,590
Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	21,604	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	29,216	30,038
Real Estate [Member] | Single Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	28,210	29,022
Real Estate [Member] | Single Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	349	354
Real Estate [Member] | Single Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	258	260
Real Estate [Member] | Single Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	399	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	511,046	503,896
Real Estate [Member] | Multi-Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	487,017	479,182
Real Estate [Member] | Multi-Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	7,668	9,855
Real Estate [Member] | Multi-Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,775	14,859
Real Estate [Member] | Multi-Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	14,586	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	129,031	114,574
Real Estate [Member] | Commercial Real Estate [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	121,414	104,066
Real Estate [Member] | Commercial Real Estate [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,273	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	5,344	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	13,983	15,780
Real Estate [Member] | Church [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	11,220	14,505
Real Estate [Member] | Church [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,769	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	994	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	59,143	40,703
Real Estate [Member] | Construction [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	4,368	2,173
Real Estate [Member] | Construction [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	54,775	38,530
Real Estate [Member] | Construction [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	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	37,354	64,841
Commercial - Other [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	25,842	53,396
Commercial - Other [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	11,231	11,157
Commercial - Other [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Commercial - Other [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	281	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	3,565	3,601
SBA Loans [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	3,027	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	538	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	10	11
Consumer [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	10	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