Debt - Notes due 2026 - Carrying value (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	May 25, 2021
Principal amount	$ 306,453
Notes due 2026
Principal amount	300,000	$ 300,000	$ 300,000
Unamortized issuance cost	(5,522)	(6,140)
Carrying value	$ 294,478	$ 293,860

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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