PERPETUAL CARE TRUSTS - Additional Information (Detail) - Variable Interest Entity, Primary Beneficiary - Perpetual care trusts $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Purchases of available for sale securities	$ 16,100	$ 46,400
Sales, maturities and paydowns of available for sale securities	42,100	29,000
Other than temporary impairments loss	$ 14,710	$ 3,941
Other Than Temporarily Impaired Securities
Debt Securities, Available-for-sale [Line Items]
Number of securities that incurred other than temporary impairment losses | security	49	79
Trust assets, cost	$ 63,600	$ 85,700
Trust assets, fair value	48,900	81,800
Other than temporary impairments loss	$ 14,700	$ 3,900