ACQUISITIONS AND DIVESTITURES - Summary of Results of Discontinued Operations (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations before income taxes	$ 589	$ 23,775
Net gain on sale of businesses	7	24,086
Net income from discontinued operations	589	23,775
Discontinued Operations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Cost of goods sold	(191)	(511)
Cemetery expense	(233)	(900)
Selling expense	(231)	(998)
General and administrative expense	(151)	(801)
Depreciation and amortization	(40)	(145)
Funeral home expenses	(694)	(2,168)
Interest expense	(166)	(931)
Income (loss) from discontinued operations before income taxes	582	(311)
Net gain on sale of businesses	7	24,086
Net income from discontinued operations	589	23,775
Discontinued Operations | Cemetery
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revenues	1,142	3,269
Discontinued Operations | Funeral Home
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revenues	$ 1,146	$ 2,874