Accounts Receivable and Contract Assets, Net - Schedule of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Accounts Receivable Net [Abstract]
Accounts receivable amortized cost	$ 89,582	$ 98,164
Allowance for credit losses	(4,772)	(3,788)	$ (1,753)	$ (1,125)
Net accounts receivable	$ 84,810	$ 94,376