Debt - Convertible Senior Notes (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Mar. 25, 2021 USD ($)	Oct. 20, 2020 USD ($)
Debt Instrument [Line Items]
Repayments of Senior Debt			$ 106,953,000	$ 183,019,000
Gain on extinguishment of convertible senior notes	$ 6,314,000	$ 20,083,000	$ 12,000,000	$ 62,353,000
0% Convertible Senior Notes due 2025 | Senior Notes
Debt Instrument [Line Items]
Effective Interest Rate	0.42%		0.42%
Conversion Rate			13.7920
Aggregate Principal Amount	$ 73,759,000		$ 73,759,000		$ 193,445,000		$ 661,250,000
Unamortized Debt Issuance Costs	393,000		393,000		1,443,000
Long-Term Debt	73,366,000		73,366,000		192,002,000
Repayments of Senior Debt	64,428,000		106,953,000
Gain on extinguishment of convertible senior notes	6,314,000		12,000,000
Repurchase face amount during period	$ 71,155,000		$ 119,686,000
0.5% Convertible Senior Notes Due 2027 | Senior Notes
Debt Instrument [Line Items]
Stated Cash Interest Rate	0.50%		0.50%
Effective Interest Rate	0.90%		0.90%
Conversion Rate			10.6920
Aggregate Principal Amount	$ 503,106,000		$ 503,106,000		503,106,000	$ 575,000,000
Unamortized Debt Issuance Costs	5,395,000		5,395,000		6,371,000
Long-Term Debt	$ 497,711,000		$ 497,711,000		$ 496,735,000