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Revenue Recognition Contract Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Capitalized Contract Cost [Line Items]      
Capitalized Contract Cost, Net $ 15,472 $ 25,872 $ 11,494
Additions (Net reduction to additions previously recognized) (7,705) 16,739  
Capitalized Contract Cost, Amortization $ (2,695) $ (2,361)