INCOME TAXES - Significant Components of Company's Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Prepaid expenses	$ 15,780	$ 13,010
State net operating loss	26,015	26,121
Federal net operating loss	86,651	88,818
Foreign net operating loss	9,171	8,656
Other	51	55
Valuation allowance	(101,629)	(103,336)
Total deferred tax assets	36,039	33,324
Deferred tax liabilities:
Property, plant and equipment	30,880	28,399
Deferred revenue related to future revenues and accounts receivable	29,480	33,582
Deferred revenue related to cemetery property	5,322	5,875
Total deferred tax liabilities	65,682	67,856
Net deferred tax liabilities	$ 29,643	$ 34,532