PERPETUAL CARE TRUSTS - Aging of Unrealized Losses on Investments in Fixed Maturities and Equity Securities Held in Perpetual Care Trusts (Detail) - Variable Interest Entity, Primary Beneficiary - Perpetual care trusts - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	$ 29,019	$ 76,223
12 Months or more Fair Value	3,405	2,968
Total Fair Value	32,424	79,191
Less than 12 months Unrealized Losses	2,973	10,861
12 Months or more Unrealized Losses	14	59
Total Unrealized Losses	2,987	10,920
Fixed maturities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value		405
12 Months or more Fair Value	2,949	2,949
Total Fair Value	2,949	3,354
Less than 12 months Unrealized Losses		28
12 Months or more Unrealized Losses		44
Total Unrealized Losses		72
Fixed maturities | U.S. governmental securities
Investments, Unrealized Loss Position [Line Items]
12 Months or more Fair Value	990	990
Total Fair Value	990	990
Fixed maturities | Corporate debt securities
Investments, Unrealized Loss Position [Line Items]
12 Months or more Fair Value	1,959	1,959
Total Fair Value	1,959	1,959
12 Months or more Unrealized Losses		44
Total Unrealized Losses		44
Fixed maturities | Other Debt Securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value		405
Total Fair Value		405
Less than 12 months Unrealized Losses		28
Total Unrealized Losses		28
Mutual funds - debt securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	863	600
12 Months or more Fair Value	454
Total Fair Value	1,317	600
Less than 12 months Unrealized Losses	25	9
12 Months or more Unrealized Losses	10
Total Unrealized Losses	35	9
Mutual funds - equity securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	661	288
12 Months or more Fair Value	1
Total Fair Value	662	288
Less than 12 months Unrealized Losses	60	7
12 Months or more Unrealized Losses	3
Total Unrealized Losses	63	7
Other investment funds
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	26,533	74,885
Total Fair Value	26,533	74,885
Less than 12 months Unrealized Losses	2,776	10,813
Total Unrealized Losses	2,776	10,813
Equity securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	962	45
12 Months or more Fair Value	1	19
Total Fair Value	963	64
Less than 12 months Unrealized Losses	112	4
12 Months or more Unrealized Losses	1	15
Total Unrealized Losses	$ 113	$ 19