RECEIVABLES - Summary of Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 9,990	$ 15,182	$ 11,308
Receivables, allowance	9,918	15,182	15,182
Allowance for credit losses	1,612	(2,573)	11,662
Write-offs	(3,193)	(2,673)	(7,475)
Foreign exchange effects	99	54	(313)
Balance at end of period	9,918	9,990	$ 15,182
Accounting Standards Update 2016-13 | Revision of Prior Period, Accounting Standards Update, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	1,410
Receivables, allowance	$ 1,410	1,410
Balance at end of period		$ 1,410