Discontinued Operations - Summary of financial information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Summary financial information
Revenues.	$ 13,749	$ 11,050	$ 24,166	$ 24,246
Income from continuing operations	(15,645)	(22,793)	(37,733)	(63,052)
Net loss	$ (15,645)	(8,191)	$ (37,733)	(34,137)
TRC
Summary financial information
Income from continuing operations		42,581		71,693
Net loss		33,091		62,632
TRC | Royalties
Summary financial information
Revenues.		$ 42,720		$ 72,029