Fair Value Measurement of Assets and Liabilities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Transfer of loans to loans held for sale, net	$ 10,000	$ 1,042,725	$ 10,000	$ 0
Allowance for credit loss, write-off		1,200	4,200
Net loans		8,800
Collateral dependent impaired loans, recorded investment		215,200	164,800
Specific valuation allowance allocations		$ 75,800	$ 74,200
Discount adjustment of the appraisals of foreclosed assets		0.00%	0.00%
Taxi Medallion Loan Portfolio
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent impaired loans, recorded investment		$ 49,500	$ 62,300
Non-recurring fair value measurements: | Fair Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Reported net carrying amount of impaired loans		$ 139,400	$ 90,600