Liabilities - 2023, 2025, 2027 and 2029 Convertible Senior Notes (Details) - USD ($) $ in Thousands, shares in Millions						9 Months Ended
	May 19, 2023	Nov. 05, 2021	Nov. 11, 2020	May 18, 2020	Jan. 10, 2017	Sep. 30, 2023	Dec. 31, 2022	Nov. 17, 2020
Debt
Principal amount						$ 281,500	$ 277,673
Proceeds from issuance of Notes, net of issuance cost						223,202
Cash paid for repurchase of notes						218,991
2023 Notes
Debt
Principal amount					$ 345,000		20,173
Interest rate (as a percent)					2.70%
Proceeds from issuance of Notes, net of issuance cost					$ 335,800
Repurchased and retired amount		$ 111,500	$ 125,000	$ 88,300
Carrying amount of debt extinguished		105,500	$ 113,100	78,100
Cash paid for repurchase of notes		115,600		81,200
Accrued and unpaid interest		$ 1,000
2025 Notes and 2027 Notes
Debt
Repurchased and retired amount	$ 198,800
2025 Notes
Debt
Principal amount						26,500	132,500	$ 132,500
Interest rate (as a percent)								3.50%
Repurchased and retired amount	106,000
Carrying amount of debt extinguished	105,400
Cash paid for repurchase of notes	$ 106,000
Number of shares of common stock used for repurchase of notes	0.7
Loss on extinguishment of debt						16,500
2027 Notes
Debt
Principal amount				$ 125,000		25,000	$ 125,000
Interest rate (as a percent)				3.75%
Proceeds from issuance of Notes, net of issuance cost				$ 121,900
Repurchased and retired amount	$ 100,000
Carrying amount of debt extinguished	98,500
Cash paid for repurchase of notes	$ 92,800
Number of shares of common stock used for repurchase of notes	3.8
Purchase of capped calls				$ 10,300
Loss on extinguishment of debt						80,600
2029 Notes
Debt
Principal amount	$ 230,000					$ 230,000
Interest rate (as a percent)	2.875%
Proceeds from issuance of Notes, net of issuance cost	$ 223,200