Loans Receivable and Allowance for Credit Losses - Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 26,508	$ 29,676	$ 26,417	$ 26,712
Interest Income Recognized	48	366	103	865
Commercial real estate \| One-to-four family
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	3,808	4,329	3,352	4,394
Interest Income Recognized	0	54	13	154
Commercial real estate \| Multifamily
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	2,872	411	1,543	429
Interest Income Recognized	0	5	1	15
Commercial real estate \| Commercial real estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	8,258	16,653	10,393	16,452
Interest Income Recognized	48	214	88	516
Commercial business loans
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	11,477	7,657	10,905	4,780
Interest Income Recognized	0	78	0	148
Consumer loans \| Home equity loans and advances
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	93	626	224	657
Interest Income Recognized	$ 0	$ 15	$ 1	$ 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/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-17

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-Paragraph 15
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- Definition

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.

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-Topic 310
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