Senior Notes, Convertible Notes and Trust Preferred Securities - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2007	Nov. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt satisfaction losses, net		$ (132)	$ (119)	$ (13,894)
Senior Notes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt instrument, unamortized discount		4,489	3,228
Debt issuance costs		$ 8,298	6,409
Senior Notes | Senior Notes Due 2028
Accounts, Notes, Loans and Financing Receivable [Line Items]
Face amount						$ 300,000
Interest rate		6.75%				6.75%
Issue price		99.423%				99.423%
Debt instrument, unamortized discount						$ 1,731
Senior Notes | Senior Notes Due 2031
Accounts, Notes, Loans and Financing Receivable [Line Items]
Face amount	$ 400,000
Interest rate		2.375%
Issue price		99.758%
Debt instrument, unamortized discount	$ 968
Senior Notes | Senior Notes Due 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate	4.25%
Extinguishment of debt	$ 188,756
Extinguishment of debt, make-whole premium	12,191
Extinguishment of debt, accrued and unpaid interest	2,028
Debt satisfaction losses, net	$ 12,948
6.804% Trust Preferred Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Face amount					$ 200,000
Interest rate on Trust Preferred Securities		7.352%
Principal amount outstanding on Trust Preferred Securities		$ 129,120	129,120
Debt issuance costs		$ 1,326	$ 1,426
6.804% Trust Preferred Securities | SOFR
Accounts, Notes, Loans and Financing Receivable [Line Items]
Basis spread on variable rate					0.26%