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Financial Instruments - Fair Value Rollforward (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Beginning balance $ 15,110 $ 20,118
Additions 5,370  
Accretion expense (979) 1,289
Payments (4,430) (1,000)
Foreign currency translation adjustment (115) (612)
Ending balance $ 14,956 $ 19,795