Loans Receivable and Allowance for Credit Losses - Financial Effect (Details)	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]
Weighted Average Months of Term Extension	6 months	11 months	7 months	14 months
Weighted Average Rate Change	0.99%	0.25%	0.44%	0.05%
Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Months of Term Extension	4 months	0 months	4 months	18 months
Weighted Average Rate Change	0.98%	0.00%	0.79%	0.44%
Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Months of Term Extension	4 months	0 months	4 months	18 months
Weighted Average Rate Change	0.98%	0.00%	0.67%	0.44%
Mortgage loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Months of Term Extension			1 month
Weighted Average Rate Change			1.82%
Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Months of Term Extension	9 months	11 months	11 months	12 months
Weighted Average Rate Change	1.00%	0.25%	0.08%	(0.21%)

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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