Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Loans Receivable and Allowance for Credit Losses - Amortized Basis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	$ 33,477		$ 59,572
% of Total Class of Loans	0.17%	0.04%	0.30%	0.12%
Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	$ 6,489		$ 25,053
% of Total Class of Loans	0.05%		0.18%	0.11%
Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	$ 6,489		$ 18,414
% of Total Class of Loans	0.09%		0.24%	0.20%
Mortgage loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount			$ 6,639
% of Total Class of Loans			0.96%
Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	$ 26,988		$ 34,519
% of Total Class of Loans	0.49%	0.14%	0.63%	0.17%
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	$ 268	$ 0	$ 15,681	$ 4,286
Term Extension \| Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	117		8,690	2,984
Term Extension \| Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	117		8,690	2,984
Term Extension \| Mortgage loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount			0
Term Extension \| Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	151	0	6,991	1,302
Interest Rate Change
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0	0	3,233	0
Interest Rate Change \| Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0		3,233	0
Interest Rate Change \| Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0		3,233	0
Interest Rate Change \| Mortgage loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount			0
Interest Rate Change \| Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0	0	0	0
Interest Rate Change and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	33,209	7,000	40,351	19,548
Interest Rate Change and Term Extension \| Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	6,372		13,130	11,945
Interest Rate Change and Term Extension \| Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	6,372		6,491	11,945
Interest Rate Change and Term Extension \| Mortgage loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount			6,639
Interest Rate Change and Term Extension \| Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	26,837	$ 7,000	27,221	$ 7,603
Change in Payment Type
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0		307
Change in Payment Type \| Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0		0
Change in Payment Type \| Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	0		0
Change in Payment Type \| Mortgage loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount			0
Change in Payment Type \| Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modified period amount	$ 0		$ 307