DEFERRED REVENUES AND COSTS - Schedule of Deferred Revenue and Other Costs (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Revenue From Contract With Customer [Abstract]
Deferred contract revenues	$ 829,390	$ 837,190
Deferred merchandise trust revenue	97,841	104,304
Deferred merchandise trust unrealized gains (losses)	(16,361)	7,881
Deferred revenues	910,870	949,375
Deferred selling and obtaining costs	$ 115,401	$ 114,944