Fair Value Measurement of Assets and Liabilities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Transfer of loans to loans held for sale, net		$ 10,200	$ 34,143		$ 10,000
Allowance for credit loss, write-off		638		$ 1,200	$ 4,200
Net loans	$ 8,800	8,800		$ 8,800
Collateral dependent loans amortized cost	199,700	199,700
Specific valuation allowance allocations	55,400	55,400
Liquidation basis of accounting remeasurement, gain (loss) on asset	$ 2,900	$ 2,900
Discount adjustment of the appraisals of foreclosed assets	0.00%	0.00%		0.00%
Taxi Medallion Loan Portfolio
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Collateral dependent loans amortized cost	$ 48,600	$ 48,600
Fair Value | Non-recurring fair value measurements
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Reported net carrying amount of collateral dependent loans	$ 144,300	$ 144,300