Revenues and Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2021

Revenues And Accounts Receivable [Abstract]

Schedule of Contract Balances

The following table presents the Company’s contract balances:

	June 30,		December 31,
	2021		2020
Contract assets	$	55,033	$	38,576
Contract liabilities		7,292		6,114

Schedule of Accounts Receivable, Net

Accounts receivable, net consisted of the following:

	June 30,			December 31,
	2021			2020
Accounts receivable, invoiced	$	74,668		$	57,228
Accounts receivable, other		1,906			1,139
Allowance for doubtful accounts		(4,223	)		(4,265	)
Accounts receivable—net	$	72,351		$	54,102

Schedule of Allowance for Doubtful Accounts

The allowance for doubtful accounts consisted of the following:

	Beginning Balance		Bad Debt Expense		Charged to Allowance			Other(1)		Ending Balance
Six months ended June 30, 2021	$	4,265	$	590	$	(1,056	)	$	424	$	4,223
Year ended December 31, 2020		1,327		4,532		(2,633	)		1,039		4,265

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