Derivative Financial Instruments - Free-Standing (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 28, 2018
Minimum
Derivative financial instruments
Derivative, Floating rate		4.62%
Maximum
Derivative financial instruments
Derivative, Floating rate		7.12%
Class B restricted shares
Derivative financial instruments
Conversion rate	1.5875			1.6483
Interest rate swaps | Customer swap program
Derivative financial instruments
Notional Amount	$ 2,800,000
Derivatives Not Designated as Hedging Instruments | Interest rate swaps
Derivative financial instruments
Notional Amount	2,753,801	$ 2,849,776
Positive fair value, derivative asset	1,204	3,178
Negative fair value, derivative liability	521	42,365
Net interest expense	$ 0	$ 0	$ 0
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Minimum
Derivative financial instruments
Derivative, Floating rate	5.84%
Fixed interest rate (as a percent)	2.39%	2.39%
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Maximum
Derivative financial instruments
Derivative, Floating rate	8.34%
Fixed interest rate (as a percent)	5.98%	6.13%
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Customer swap program
Derivative financial instruments
Positive fair value, derivative asset	$ 1,200	$ 3,200
Negative fair value, derivative liability	500	42,400
Upfront fees on the dealer swap	$ 1,800	$ 2,500	$ 2,600