Loans Receivable and the Allowance for Loan Losses - Aged analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 80,163	$ 80,688
Loans over 90 days past due and still accruing	0	0
Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	80,163	80,688
Mortgage - 1-4 Family
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	75,225	75,185
Mortgage - 1-4 Family \| Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	75,225	75,185
Mortgage - Multifamily
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	3,600	4,117
Mortgage - Multifamily \| Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	3,600	4,117
Mortgage - Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,131	1,175
Mortgage - Commercial real estate \| Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,131	1,175
Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	207	211
Consumer Loans \| Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 207	$ 211

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

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+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

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