Contract Balances (Tables)

3 Months Ended

Mar. 31, 2022

Contract Balances

Summary of activity in the allowance for doubtful accounts

Allowance for credit losses	Balance at Beginning of Period		Current Period Provision for Expected Credit Losses		Write-offs Charged Against Allowance		Balance at End of Period
	(In thousands)
For the three months ended March 31, 2022	$	38,534	$	12,935	$	(17,534)	$	33,935

Schedule of deferred revenue related to contracts with subscribers

	As of
	March 31,		December 31,
	2022		2021
	(In thousands)
Contract liabilities	$	719,220	$	714,428