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Contract Assets and Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2021
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract] |
Schedule of Contract Assets and Contract Liabilities | As of June 30, 2021 and December 31, 2020, Contract assets and Contract liabilities consisted of the following:
(in thousands) | June 30, 2021 | December 31, 2020
Contract assets | $ | 114,097 |  | $ | 140,348 |
Allowance for expected credit losses | (872) |  | (1,059) |
Contract assets, net | $ | 113,225 |  | $ | 139,289 |
Contract liabilities | $ | 7,136 |  | $ | 8,206 |

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