Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid Expenses	$ 10,113	$ 9,175
Current Contingent Asset (Note 4)	2,500	0
Other Current Assets	205	450
Other current assets	12,818	9,625
Operating	8,788	18,441
Long-term Contingent Asset (Note 4)	6,800	11,300
Other Long-Term Assets	23,170	30,893
Other long-term assets	$ 38,758	$ 60,634