Transactions with Affiliates and Related Parties - Summary of Transactions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Transactions with Affiliates and Related Parties
Noninterest income from affiliates	$ 0	$ 0	$ 0
Noninterest expense to affiliates	0	0	$ 0
Other liabilities	0	0
Off-balance sheet commitments with affiliates to purchase and sell foreign currencies	$ 0	$ 0