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Contract Assets and Liabilities (Tables)
 9 Months Ended
Sep. 30, 2021
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]  
Schedule of Contract Assets and Contract Liabilities As of September 30, 2021 and December 31, 2020, Contract assets and Contract liabilities consisted of the following:
(in thousands)
September 30,
2021		December 31,
2020
Contract assets$116,653 $140,348 
Allowance for expected credit losses
(729)(1,059)
Contract assets, net$115,924 $139,289 
Contract liabilities$6,250 $8,206