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	Jun. 30, 2022	Dec. 31, 2021
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	$ 27,216	$ 29,019
12 Months or more Fair Value	832	3,405
Total Fair Value	28,048	32,424
Less than 12 months Unrealized Losses	2,863	2,973
12 Months or more Unrealized Losses	274	14
Total Unrealized Losses	3,137	2,987
Fixed maturities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	1
12 Months or more Fair Value		2,949
Total Fair Value	1	2,949
Fixed maturities | U.S. governmental securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	1
12 Months or more Fair Value		990
Total Fair Value	1	990
Fixed maturities | Corporate debt securities
Investments, Unrealized Loss Position [Line Items]
12 Months or more Fair Value		1,959
Total Fair Value		1,959
Mutual funds - debt securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	823	863
12 Months or more Fair Value	364	454
Total Fair Value	1,187	1,317
Less than 12 months Unrealized Losses	201	25
12 Months or more Unrealized Losses	116	10
Total Unrealized Losses	317	35
Mutual funds - equity securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	1,540	661
12 Months or more Fair Value	392	1
Total Fair Value	1,932	662
Less than 12 months Unrealized Losses	219	60
12 Months or more Unrealized Losses	78	3
Total Unrealized Losses	297	63
Other investment funds
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	24,535	26,533
Total Fair Value	24,535	26,533
Less than 12 months Unrealized Losses	2,393	2,776
Total Unrealized Losses	2,393	2,776
Equity securities
Investments, Unrealized Loss Position [Line Items]
Less than 12 months Fair Value	317	962
12 Months or more Fair Value	76	1
Total Fair Value	393	963
Less than 12 months Unrealized Losses	50	112
12 Months or more Unrealized Losses	80	1
Total Unrealized Losses	$ 130	$ 113