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Loans - Interest Income on Non-Accrual Loans, Excluding PCD Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	$ 119	$ 46	$ 159	$ 95
Real estate loans: | Multifamily
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	24	19	48	33
Real estate loans: | Commercial mortgage
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	70	25	82	50
Real estate loans: | One-to-four family residential mortgage
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	7	0	10	6
Real estate loans: | Home equity and lines of credit
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	11	0	11	2
Commercial and industrial loans
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	$ 7	$ 2	$ 8	$ 4

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

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