Loans Receivable Held for Investment, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	$ 618,014	$ 363,344
Loan made to Qualified Active Low Income Business	14,000
Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	614,483	358,037
Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	647	2,145
Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	2,884	3,162
Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Single Family [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	53,666	48,357
Real Estate [Member] | Single Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	53,666	48,357
Real Estate [Member] | Single Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Single Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Single Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	1
Real Estate [Member] | Single Family [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Single Family [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Multi-Family [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	347,830	273,864
Real Estate [Member] | Multi-Family [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	347,477	273,501
Real Estate [Member] | Multi-Family [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Multi-Family [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Multi-Family [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	353	362
Real Estate [Member] | Multi-Family [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Multi-Family [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Commercial Real Estate [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	92,491	24,322
Real Estate [Member] | Commercial Real Estate [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	91,018	22,834
Real Estate [Member] | Commercial Real Estate [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	1,488
Real Estate [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Commercial Real Estate [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	1,473	0
Real Estate [Member] | Commercial Real Estate [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Commercial Real Estate [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Church [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	15,320	16,308
Real Estate [Member] | Church [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	13,615	12,899
Real Estate [Member] | Church [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	647	657
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	1,058	2,752
Real Estate [Member] | Church [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Church [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Real Estate [Member] | Construction [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	22,583	430
Real Estate [Member] | Construction [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	22,583	430
Real Estate [Member] | Construction [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
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	0
Real Estate [Member] | Construction [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Commercial - Other [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	46,973	56
Commercial - Other [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	46,973	9
Commercial - Other [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
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	0	47
Commercial - Other [Member] | Doubtful [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
Commercial - Other [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0	0
SBA Loans [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	39,078	0
SBA Loans [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	39,078
SBA Loans [Member] | Watch [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0
SBA Loans [Member] | Special Mention [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	0
SBA Loans [Member] | Substandard [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	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	73	7
Consumer [Member] | Pass [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	73	7
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	0
Consumer [Member] | Loss [Member]
Risk Grade Category of Loans by Loan Type [Abstract]
Loans receivable	$ 0	$ 0