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Other Assets (Tables)
12 Months Ended
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Assets
Other assets are comprised of the following:
 December 31,
(in thousands)20212020
Prepaid Expenses$10,113 $9,175 
Current Contingent Asset (Note 4)2,500 — 
Other Current Assets205 450 
Total other current assets$12,818 $9,625 
ROU Asset (Note 17)$8,788 $18,441 
Long-term Contingent Asset (Note 4)6,800 11,300 
Other Long-Term Assets23,170 30,893 
Total other long-term assets$38,758 $60,634