Loans Receivable - Troubled Debt Restructured Loans by Class (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual loans	$ 3,442	$ 3,463
Nonaccrual loans	81	81
Total TDR loans	3,523	3,544
Real Estate \| Real estate loans \| One-to-four family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual loans	2,273	2,290
Nonaccrual loans	81	81
Total TDR loans	2,354	2,371
Real Estate \| Real estate loans \| Multi-family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual loans	107	107
Nonaccrual loans	0	0
Total TDR loans	107	107
Real Estate \| Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual loans	642	643
Nonaccrual loans	0	0
Total TDR loans	642	643
Consumer \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual loans	157	160
Nonaccrual loans	0	0
Total TDR loans	157	160
Commercial business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual loans	263	263
Nonaccrual loans	0	0
Total TDR loans	$ 263	$ 263

Financing Receivable, Modifications, Recorded Investment, Accrual

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Financing Receivable, Modifications, Recorded Investment, Nonaccrual Status

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

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