Long‑Term Debt - 2027 Notes Capped Call Options (Details) - 2027 Notes: - Convertible Debt - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
Jun. 23, 2021	Sep. 30, 2021
Debt Instrument [Line Items]
Capped call options expense		$ 50
Capped call transaction, cap price (USD per share)	$ 95.5575
Capped call, premium above share price, percentage	55.00%

Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 5
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120519210&loc=d3e90205-114008

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(1)
-URI http://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration