Derivative Financial Instruments - Free-Standing (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 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	$ 5,706,771		$ 5,706,771		$ 2,849,776
Positive fair value, derivative asset	21,030		21,030		3,178
Negative fair value, derivative liability	20,788		20,788		$ 42,365
Net interest expense	$ 0	$ 0	$ 0	$ 0
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Minimum
Derivative financial instruments
Derivative, Floating rate	5.48%		5.48%
Fixed interest rate (as a percent)	2.39%		2.39%		2.39%
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Maximum
Derivative financial instruments
Derivative, Floating rate	8.17%		8.17%
Fixed interest rate (as a percent)	6.91%		6.91%		6.13%
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Customer swap program
Derivative financial instruments
Notional Amount	$ 5,700,000		$ 5,700,000		$ 2,800,000
Positive fair value, derivative asset	21,000		21,000		3,200
Negative fair value, derivative liability	20,800		20,800		$ 42,400
Upfront fees on the dealer swap	$ 1,400	$ 500	$ 1,500	$ 1,400