GENERAL - Additional Information (Detail) $ / shares in Units, $ in Thousands		6 Months Ended
	May 10, 2019 USD ($)	Jun. 30, 2019 USD ($) Property State shares	Jun. 27, 2019 USD ($) $ / shares shares	Mar. 31, 2019	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Management lease loss		$ (2,100)
Preferred unit, aggregate purchase price		57,500
Cash and cash equivalents		41,859				$ 18,147
Restricted cash		$ 20,100				$ 0
Lease renewal term description		Certain leases provide the Partnership with the option to renew for additional periods, with renewal terms that can extend the lease term for periods ranging from 1 to 30 years.
Operating lease ROU asset		$ 11,588
ASC 842
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Reclassification from Intangible assets to other assets for below market lease intangibles					$ 1,100
Reclassification from accounts payable and accrued liabilities to other assets for deferred gain on sale leaseback transaction					100
Reclassification from other long term liabilities to other assets for deferred gain on sale leaseback transaction					200
Reclassification from accounts payable and accrued liabilities to other assets for rent					300
Reclassification from other long term Liabilities to other assets for rent					3,500
Increase in other assets for operating lease right of use assets					15,300
Increase in accounts payable and accrued liabilities for operating lease liabilities					2,200
Increase in other long term liabilities for operating lease liabilities.					13,100
Operating lease ROU asset					12,300
Operating lease liability		$ 14,628			$ 15,300
Minimum
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Lease renewal term		1 year
Maximum
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Liquid investments purchased with an original maturity		3 months
Product sales, payment term		60 months
Lease renewal term		30 years
Senior Secured Notes
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Long-term debt, gross		$ 371,547
Fixed interest rate to be paid per annum in cash plus		7.50%
Senior Secured Notes | Option Through January 30, 2022 - Payable in Kind
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Debt instrument		4.00%	4.00%
Senior Secured Notes | Private Placement
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Long-term debt, gross		$ 385,000
Senior Secured Notes | Private Placement | 9.875% notes, due 2024
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Debt instrument		9.875%
Senior Secured Notes | Private Placement | 11.500% notes, due 2024
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Debt instrument		11.50%
Senior Notes
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Preferred units, sold | shares		52,083,333
Preferred unit, aggregate purchase price		$ 57,500
Senior Notes | Private Placement
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Long-term debt, gross		$ 385,000
Series A Purchase Agreement | Series A Redeemable Convertible Preferred Unit
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Preferred units, sold | shares			52,083,333
Preferred unit sold, price per share | $ / shares			$ 1.1040
Preferred unit, liquidation preference discount percentage			8.00%
Preferred unit, aggregate purchase price			$ 57,500
Other Losses, Net
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Management lease loss	$ 2,100
StoneMor Operating LLC
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Ownership percentage subsidiaries by the parent		100.00%		100.00%
Cemetery
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		30
Cemetery | Consolidated Properties
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		16
Cemetery | Unconsolidated Properties
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		14
US and Puerto Rico | Cemetery
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		321
Number of states | State		27
US and Puerto Rico | Cemetery | Wholly Owned Properties
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		291
US and Puerto Rico | Cemetery | Managed Properties
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		30
US and Puerto Rico | Funeral Home
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		90
Number of states | State		17
US and Puerto Rico | Funeral Home | Cemetery Property
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of operating locations | Property		42