Loans Receivable and the Allowance for Loan Losses - Loans receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 74,048	$ 78,484
Unamortized Loan Fees/Costs	1,064	1,151
Allowance for Loan Losses	(850)	(850)
Net Loans Receivable	74,262	78,785
Mortgage - 1-4 Family
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	69,532	73,591
Mortgage - Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	3,215	3,567
Mortgage - Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	1,095	1,117
Consumer Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 206	$ 209

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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