Loans and Allowance for Credit Losses on Loans - Additional Information (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) factor	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Loans And Leases Receivable Disclosure [Line Items]
Number of past due days	90 days
Historical loss of reversion period, baseline scenario	1 year
Historical loss of reversion period, adverse scenario	2 years
Number of matrix factors | factor	9
Non accrual loan threshold	$ 500,000
Collateral dependent loans	2,043,885,000	$ 1,956,852,000
Allowance for credit losses on loans	25,368,000	24,796,000	$ 22,129,000	$ 21,993,000
Additional commitments lend to borrowers whose loans were modified	0
Loan Borrowing
Loans And Leases Receivable Disclosure [Line Items]
Loans	0	0
Collateralized Debt Obligations
Loans And Leases Receivable Disclosure [Line Items]
Collateral dependent loans	9,900,000	7,700,000
Allowance for credit losses on loans	$ 901,000	$ 1,200,000