Revenues and Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2020

Revenues And Accounts Receivable [Abstract]

Schedule of Contract Balances

The following table presents the Company’s contract balances:

	September 30,		December 31,
	2020		2019
Contract assets	$	35,441	$	13,605
Contract liabilities		9,335		3,314

Schedule of Accounts Receivable, Net

Accounts receivable, net as of September 30, 2020 and December 31, 2019 consisted of the following:

	September 30,			December 31,
	2020			2019
Accounts receivable, invoiced	$	52,372		$	46,643
Accounts receivable, other		929			611
Allowance for doubtful accounts		(8,516	)		(1,327	)
Accounts receivable—net	$	44,785		$	45,927

Schedule of Allowance for Doubtful Accounts

The allowance for doubtful accounts as of September 30, 2020 and December 31, 2019 consisted of the following:

	Beginning Balance		Bad Debt Expense		Charged to Allowance			Other(1)		Ending Balance
Nine months ended September 30, 2020	$	1,327	$	6,445	$	(294	)	$	1,038	$	8,516
Year ended December 31, 2019		453		1,246		(556	)		184		1,327

(1) This amount consists of additions to the allowance due to business acquisitions.