Other Borrowings - Summary of Senior Unsecured Notes (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Nov. 22, 2021	Apr. 07, 2021	Nov. 03, 2020
Debt Instrument [Line Items]
Outstanding Balance	$ 2,000,000	$ 2,000,000
Weighted average interest rate	5.56%	5.56%
Senior Notes | 2025 Senior Notes, due 11/15/25
Debt Instrument [Line Items]
Interest Rate	5.50%				5.50%
Outstanding Balance	$ 800,000	$ 800,000
Unamortized debt issuance costs and discounts	$ 6,800	8,500
Senior Notes | 2029 Senior Notes, due 4/15/29
Debt Instrument [Line Items]
Interest Rate	5.50%			5.50%
Outstanding Balance	$ 700,000	700,000
Unamortized debt issuance costs and discounts	$ 5,700	6,400
Senior Notes | 2027 Senior Notes, due 6/15/27
Debt Instrument [Line Items]
Interest Rate	5.75%		5.75%
Outstanding Balance	$ 500,000	500,000
Unamortized debt issuance costs and discounts	$ 4,300	$ 5,000