Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Summary of opening and closing balances

The following table summarizes the opening and closing balances of our accounts receivable, net; contract assets, current; contract assets, non-current; deferred revenue, current; and deferred revenue, non-current (in thousands):

	Accounts receivable, net (1)		Contract assets, current		Contract assets, non-current		Deferred revenue, current		Deferred revenue, non-current
Beginning balances as of January 1, 2021	$	676,738	$	13,534	$	54,050	$	101,258	$	71,242
Closing balances as of September 30, 2021	792,101		49,793		51,452		112,952		66,318
Increase (Decrease)	$	115,363	$	36,259	$	(2,598)	$	11,694	$	(4,924)

(1) The net change in our allowance for credit losses was insignificant during the nine months ended September 30, 2021.