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Accounts Receivable (Tables)
 9 Months Ended
Sep. 30, 2020
Receivables [Abstract]  
Summary of Accounts Receivable

 

(table only in thousands)

 

September 30, 2020

 

 

December 31, 2019

 

Contract receivables

 

$

49,826

 

 

$

58,881

 

Trade receivables

 

 

11,409

 

 

 

12,135

 

Allowance for doubtful accounts

 

 

(2,961

)

 

 

(2,582

)

Total accounts receivable

 

$

58,274

 

 

$

68,434