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RECEIVABLES, CONTRACT ASSETS, AND DEFERRED REVENUE- Contract Effective (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Receivables [Abstract] |
2020 | $ 149,867
2019 | 87,941
2018 | 31,097
2017 | 31,668
2016 and prior | 19,860
Unbilled revenue total | $ 320,433
2020 | 47.00%
2019 | 27.00%
2018 | 10.00%
2017 | 10.00%
2016 and prior | 6.00%
Total percentage of unbilled revenue | 100.00%

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- References No definition available. + Details
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