Loans Receivable and Allowance for Credit Losses - Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 22,981	$ 34,879	$ 23,803	$ 37,652
Interest Income Recognized	245	338	837	1,055
Real estate loans \| One-to-four family
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	4,251	5,569	4,640	5,923
Interest Income Recognized	45	64	146	229
Real estate loans \| Multifamily
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	598	8,626	675	11,246
Interest Income Recognized	6	10	28	359
Real estate loans \| Commercial real estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	16,086	17,477	16,254	17,000
Interest Income Recognized	163	217	568	329
Commercial business loans
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	1,269	2,106	1,447	2,226
Interest Income Recognized	22	36	66	106
Consumer loans \| Home equity loans and advances
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	777	1,101	787	1,257
Interest Income Recognized	$ 9	$ 11	$ 29	$ 32

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ 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)(1)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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