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

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

Convertible Senior Notes - Conversion (Details) - USD ($) $ in Thousands		12 Months Ended
	May 18, 2020	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Mar. 21, 2024	May 31, 2020	May 29, 2020
Convertible Senior Notes
Net proceeds		$ 60,287	$ 104,251	$ 122,886
3.75% Convertible Senior Notes
Convertible Senior Notes
Principal amount	$ 200,000	$ 58,462	$ 197,278		$ 58,500	$ 212,500	$ 12,500
Less initial purchasers' discount	(6,400)
Less other issuance costs	$ (600)