Loans and the Allowance for Loan Losses - Loan Receivables on Nonaccrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	$ 100,803	$ 74,471
Real Estate Loans:
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	66,764	50,935
Real Estate Loans: | Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	44,357	36,252
Real Estate Loans: | Construction
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	7,236	4,539
Real Estate Loans: | Residential
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	15,171	10,144
Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	33,841	23,370
Consumer and Other
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, excluding accrued interest, nonaccrual	$ 198	$ 166