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Contract Assets and Liabilities (Schedule of Contract Assets and Contract Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]      
Contract assets $ 113,249 $ 140,348  
Allowance for expected credit losses (703) (1,059) $ 0
Contract assets, net 112,546 139,289  
Contract liabilities $ 6,959 $ 8,206