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Leases - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
Property, plant and equipment, net $ 107,901 $ 119,324
Accumulated depreciation $ 272,833 283,517
Option to extend true  
Operating lease income $ 602 674
Variable lease income $ 199 $ 199
Option to terminate true