Loans Receivable and Allowance for Credit Losses - Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 33,354	$ 20,459	$ 34,883	$ 24,291
Interest Income Recognized	9	20	47	54
Commercial real estate \| One-to-four family
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	10,446	1,053	10,020	2,056
Interest Income Recognized	0	0	0	13
Commercial real estate \| Multifamily
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	2,040	23	3,274	143
Interest Income Recognized	0	0	0	1
Commercial real estate \| Commercial real estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	6,119	9,317	6,585	11,331
Interest Income Recognized	9	20	47	39
Construction \| Construction
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	5,913	0	3,942	0
Interest Income Recognized	0	0	0	0
Commercial business loans
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	8,177	10,004	10,513	10,519
Interest Income Recognized	0	0	0	0
Consumer loans \| Home equity loans and advances
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	659	62	549	242
Interest Income Recognized	$ 0	$ 0	$ 0	$ 1