PERPETUAL CARE TRUSTS - Additional Information (Detail) - Variable Interest Entity, Primary Beneficiary - Perpetual care trusts	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Purchases of available for sale securities			$ 37,200,000	$ 22,500,000
Sales, maturities and paydowns of available for sale securities			25,900,000	19,100,000
Other than temporary impairments loss			$ 713,000	$ 6,834,000
Other Than Temporarily Impaired Securities
Debt Securities, Available-for-sale [Line Items]
Number of securities that incurred other than temporary impairment losses | security			66	105
Trust assets, cost			$ 29,200,000	$ 118,000,000
Trust assets, fair value			28,500,000	111,200,000
Other than temporary impairments loss	$ 0	$ 0	$ 700,000	$ 6,800,000