Loans Receivable and the Allowance for Loan Losses - Loans receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 80,297	$ 80,688
Unamortized Loan Fees/Costs	1,234	1,234
Allowance for Loan Losses	(850)	(850)
Net Loans Receivable	80,681	81,072
Mortgage - 1-4 Family
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	74,839	75,185
Mortgage - Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	4,085	4,117
Mortgage - Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	1,161	1,175
Consumer Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 212	$ 211

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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