Preference Rights Lease Application Settlement Income (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 31, 2019	Sep. 30, 2019	Dec. 31, 2021	Dec. 31, 2019	Dec. 31, 2020
Gain Contingencies [Line Items]
Gain related to settlement				$ 39,000
Preference Rights Lease Application (PRLA)
Gain Contingencies [Line Items]
Gain related to settlement		$ 39,000
Royalty credits to be received due to settlement			$ 67,000
Royalty credits to be received due to settlement, percentage of royalty obligations			50.00%
One-time payment for ownership interest	$ 27,000
Payment to acquire investment, closing fees	$ 1,000
Company utilization of royalty credits			$ 17,700	$ 13,300	$ 36,000