Loans and the Allowance for Credit Losses - Loan Receivables on Nonaccrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	$ 80,363	$ 74,471
Real Estate Loans:
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	41,217	50,935
Real Estate Loans: \| Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	18,245	36,252
Real Estate Loans: \| Construction
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	8,608	4,539
Real Estate Loans: \| Residential
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	14,364	10,144
Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	38,909	23,370
Consumer and Other
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	$ 237	$ 166

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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+ Details