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ACCOUNTS AND OTHER RECEIVABLE (Tables)
3 Months Ended
Mar. 31, 2020
ACCOUNTS AND OTHER RECEIVABLE  
Schedule of accounts and other receivable

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March 31, 

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December 31, 

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2020

    

2019

Amounts billed, net

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$

197,083

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$

227,528

Unbilled receivables

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17,277

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19,036

Total receivables, net

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$

214,360

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$

246,564

Schedule of expected credit losses

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December 31, 2019

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$

7,745

Additions

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202

Deductions - write-offs, net of recoveries

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(706)

March 31, 2020

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$

7,241