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The fair value of liabilities assumed in noncash investing or financing activities.

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BORROWING ARRANGEMENTS (Narrative) (Detail) $ in Thousands	1 Months Ended		3 Months Ended			12 Months Ended
BORROWING ARRANGEMENTS (Narrative) (Detail) $ in Thousands	Jun. 30, 2018 facility	May 25, 2017	Dec. 31, 2018 USD ($) facility	Jun. 30, 2018 USD ($) facility property	Dec. 31, 2017 facility	Dec. 31, 2018 USD ($) facility	Dec. 31, 2017 USD ($) facility	Dec. 31, 2016 USD ($) facility
Debt Instrument [Line Items]
Number of held for sale facilities sold \| facility			14		32	78	52	38
Write off of Deferred Debt Issuance Cost							$ 10,195	$ 301
Skilled Nursing Facilities
Debt Instrument [Line Items]
Assumption of HUD mortgages				$ 53,000
Number of held for sale facilities sold \| facility				12
Arkansas \| Skilled Nursing Facilities
Debt Instrument [Line Items]
Number of held for sale facilities sold \| facility	12
Skilled Nursing Facilities \| Arkansas
Debt Instrument [Line Items]
Assumption of HUD mortgages				$ 53,000
Number of held for sale facilities sold \| property				12
Debt weighted average interest rate	3.06%			3.06%
Debt maturity date				Jul. 01, 2044
Write off of Deferred Debt Issuance Cost				$ 600
2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Debt maturity date		May 25, 2022
Omega OP \| Term Loan [Member]
Debt Instrument [Line Items]
Deferred financing costs			$ 400			$ 400