PERPETUAL CARE TRUSTS - Contractual Maturities of Debt Securities Held in Perpetual Care Trusts (Detail) - Variable Interest Entity, Primary Beneficiary - Perpetual care trusts - Fixed maturities - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Investments Classified by Contractual Maturity Date [Line Items]
1 year through 5 years	$ 1	$ 1
6 years through 10 years	11
More than 10 years		13
U.S. governmental securities
Investments Classified by Contractual Maturity Date [Line Items]
1 year through 5 years	1	1
6 years through 10 years	$ 11
More than 10 years		$ 13