Derivative Financial Instruments - Free-Standing (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Minimum
Derivative financial instruments
Derivative, Floating rate			4.62%
Maximum
Derivative financial instruments
Derivative, Floating rate			7.12%
Derivatives Not Designated as Hedging Instruments | Interest rate swaps
Derivative financial instruments
Notional Amount	$ 2,796,954		$ 2,849,776
Positive fair value, derivative asset			3,178
Negative fair value, derivative liability	30,043		$ 42,365
Net interest expense	$ 0	$ 0
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Minimum
Derivative financial instruments
Derivative, Floating rate	5.14%
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	7.66%
Fixed interest rate (as a percent)	5.78%		6.13%
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Customer swap program
Derivative financial instruments
Notional Amount	$ 2,800,000		$ 2,800,000
Positive fair value, derivative asset			3,200
Negative fair value, derivative liability	30,000		$ 42,400
Upfront fees on the dealer swap	$ 100	$ 1,000