ACCOUNTS RECEIVABLE, NET OF ALLOWANCE - Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Allowance for Doubtful Accounts Receivable [Roll Forward]
Provision for doubtful accounts	$ 1,255	$ 2,212
Balance, end of period	5,867		$ 5,816
Contract Cancellations
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of period	5,816		5,711
Provision for doubtful accounts	1,255		6,354
Charge-offs, net	(1,204)		(6,249)
Balance, end of period	$ 5,867		$ 5,816