PERPETUAL CARE TRUSTS - Cost and Market Value Associated with Assets Held in Perpetual Care Trusts (Parenthetical) (Detail) - Perpetual care trusts - Variable Interest Entity, Primary Beneficiary $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) Extension	Dec. 31, 2018 USD ($) Extension
Debt Securities, Available-for-sale [Line Items]
Number of potential lockup period extensions | Extension	3	3
Lockup extension period	1 year	1 year
Unfunded investment commitments to private credit funds, callable at any time | $	$ 62.4	$ 94.5
Minimum
Debt Securities, Available-for-sale [Line Items]
Private credit funds, lockup periods	2 years	4 years
Fixed income funds and equity funds, redemption period	1 day	1 day
Maximum
Debt Securities, Available-for-sale [Line Items]
Private credit funds, lockup periods	7 years	8 years
Fixed income funds and equity funds, redemption period	30 days	30 days