Contract Assets and Contract Liabilities (Tables)

3 Months Ended

Mar. 31, 2021

Revenue From Contract With Customer [Abstract]

Summary of Company's Contract Asset and Contract Liability

Accounts receivable and unbilled, net consisted of the following (in thousands):

	As of
	March 31,			December 31,
	2021			2020
Accounts receivable	$	131,918		$	137,912
Unbilled receivables		28,425			23,396
Less: allowance for doubtful accounts		(346	)		(346	)
Total accounts receivable and unbilled, net	$	159,997		$	160,962

Advanced billings consisted of the following (in thousands):

	As of
	March 31,		December 31,
	2021		2020
Advanced billings	$	277,807	$	255,664