COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Commitments And Contingencies [Line Items]
Aggregate fixed rent payment to landlord		$ 17,704,000
Stonemor GP Holdings LLC
Commitments And Contingencies [Line Items]
Payment for civil penalty	$ 250,000
Second Quarter Twenty Fourteen Acquisition
Commitments And Contingencies [Line Items]
Aggregate fixed rent payment to landlord	36,000,000
Deferred fixed rent	$ 6,000,000
Second Quarter Twenty Fourteen Acquisition | Minimum
Commitments And Contingencies [Line Items]
Fixed rent for lease term deferred	6 years
Second Quarter Twenty Fourteen Acquisition | Maximum
Commitments And Contingencies [Line Items]
Fixed rent for lease term deferred	11 years