Commitments, Contingencies, and Financial Guarantees - Additional Information (Details)	3 Months Ended
	Mar. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)
Loss Contingencies [Line Items]
Term of standby letters of credit, years	1 year
Percent of unfunded loan commitments with fixed rates	6.00%
Loan commitments floating rate, minimum	0.00%
Loan commitments floating rate, maximum	22.00%
Allowance for unfunded loan commitments	$ 34,200,000	$ 32,200,000
Class B Restricted Shares | Visa
Loss Contingencies [Line Items]
Restricted stock conversion ratio	1.5991
Investment owned, balance, shares (in shares) | shares	65,466
Investment owned, at cost	$ 0
Interest Rate Swap
Loss Contingencies [Line Items]
Notional amount	$ 381,800,000	$ 398,900,000