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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
Jun. 30, 2019
Dec. 31, 2018
Investments Classified by Contractual Maturity Date [Line Items]    
Less than 1 year $ 208 $ 705
1 year through 5 years 1,568 4,118
6 years through 10 years 984 660
More than 10 years 121 83
U.S. governmental securities    
Investments Classified by Contractual Maturity Date [Line Items]    
Less than 1 year 60  
1 year through 5 years 70 416
6 years through 10 years 812 395
More than 10 years 121 32
Corporate debt securities    
Investments Classified by Contractual Maturity Date [Line Items]    
Less than 1 year 148 705
1 year through 5 years 1,498 3,702
6 years through 10 years $ 172 265
More than 10 years   $ 51