Equity - Statement of Stockholders' Equity (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period	$ 715,013	$ 687,910	$ 672,442	$ 612,600	$ 585,559	$ 577,824	$ 672,442	$ 577,824
Net income (loss)	21,951	14,944	21,854	24,574	(85,320)	8,741	58,749	(52,005)
Other comprehensive income (loss), net of tax	382	(12)	(128)	133	(39)	476
Share-based compensation expense	9,459	9,233	8,082	7,420	7,932	7,027
Partial extinguishment of 2025 and 2027 Notes					102,140
Net issuance under employee stock plans	(286)	2,938	(14,340)	(247)	2,328	(8,509)
Balance at the end of the period	746,519	715,013	687,910	644,480	612,600	585,559	746,519	644,480
Common Stock
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period	$ 569	$ 566	$ 564	$ 564	$ 517	$ 517	$ 564	$ 517
Balance (in shares)	56,773	56,637	56,364	56,338	51,693	51,660	56,364	51,660
Partial extinguishment of 2025 and 2027 Notes					$ 45
Partial extinguishment of 2025 and 2027 Notes (in shares)					4,460
Net issuance under employee stock plans	$ 1	$ 3	$ 2		$ 2
Net issuance under employee stock plans (in shares)	5	136	273	(1)	185	33
Balance at the end of the period	$ 570	$ 569	$ 566	$ 564	$ 564	$ 517	$ 570	$ 564
Balance (in shares)	56,778	56,773	56,637	56,337	56,338	51,693	56,778	56,337
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period	$ 1,208,348	$ 1,196,180	$ 1,202,440	$ 1,189,051	$ 1,076,698	$ 1,078,180	$ 1,202,440	$ 1,078,180
Share-based compensation expense	9,459	9,233	8,082	7,420	7,932	7,027
Partial extinguishment of 2025 and 2027 Notes					102,095
Net issuance under employee stock plans	(287)	2,935	(14,342)	(247)	2,326	(8,509)
Balance at the end of the period	1,217,520	1,208,348	1,196,180	1,196,224	1,189,051	1,076,698	1,217,520	1,196,224
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period	(495,371)	(510,315)	(532,169)	(578,380)	(493,060)	(501,801)	(532,169)	(501,801)
Net income (loss)	21,951	14,944	21,854	24,574	(85,320)	8,741
Balance at the end of the period	(473,420)	(495,371)	(510,315)	(553,806)	(578,380)	(493,060)	(473,420)	(553,806)
Accumulated Other Comprehensive Income
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period	1,467	1,479	1,607	1,365	1,404	928	1,607	928
Other comprehensive income (loss), net of tax	382	(12)	(128)	133	(39)	476
Balance at the end of the period	$ 1,849	$ 1,467	$ 1,479	$ 1,498	$ 1,365	$ 1,404	$ 1,849	$ 1,498