Fair Value Measurements - Narrative (Details) $ in Thousands	Aug. 31, 2021 USD ($)
Debt Instrument [Line Items]
Principal value	$ 632,782
Convertible Debt
Debt Instrument [Line Items]
Aggregate principal amount	295,200
Principal value	360,000
Fair value notes	$ 364,700

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant