REVENUE RECOGNITION (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Assets and Liabilities Associated with Contracts from Customers

The following table provides information about assets and liabilities associated with our contracts from customers (in thousands):

	As of March 31, 2022
Accounts receivable	$	104,947
Short-term unbilled receivables		12,774
Long-term unbilled receivables		—
Short-term deferred revenue		111,778
Long-term deferred revenue		31,735

Summary of Significant Changes in Unbilled Receivables and Deferred Liabilities Balances

Significant changes in the unbilled receivables and deferred liabilities balances for the three months ended March 31, 2022 and 2021, are as follows (in thousands):

	Three Months Ended March 31, 2022
	Unbilled Receivables		Deferred Revenue
Balance at December 31, 2021	$	8,127	$	(157,081	)
Revenue recognized that was previously included in deferred revenue, net		—		57,594
Increases due to cash received		—		(45,891	)
Cumulative catch-up adjustment arising from changes in estimates of    transaction price, net		—		1,865
Unbilled receivables recorded, net		4,647		—
Net change		4,647		13,568
Balance at March 31, 2022	$	12,774	$	(143,513	)

	Three Months Ended March 31, 2021
	Unbilled Receivables			Deferred Revenue
Balance at December 31, 2020	$	10,429		$	(162,301	)
Revenue recognized that was previously included in deferred revenue, net		—			33,439
Increases due to cash received		—			(53,000	)
Cumulative catch-up adjustment arising from changes in estimates of    transaction price, net		—			3,738
Unbilled receivables recorded, net		20,471			—
Transferred to receivables from unbilled receivables		(6,000	)		—
Net change		14,471			(15,823	)
Balance at March 31, 2021	$	24,900		$	(178,124	)