The maturity date of the investment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 942
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OTHER INVESTMENTS (Note Due 2019 Narrative) (Detail) $ in Thousands	Sep. 28, 2018 USD ($) property	Dec. 31, 2018 USD ($) facility	Dec. 31, 2017 USD ($)
Schedule of Investments [Line Items]
Other investments, gross		$ 504,626	$ 276,715
Number of real estate properties \| facility		924
Other Investment Note Due2019 [Member]
Schedule of Investments [Line Items]
Other investments, gross		$ 131,452
Investment Owned, Face Amount	$ 131,300
Other Investment Note Due2019 [Member] \| Term Loan [Member]
Schedule of Investments [Line Items]
Loans receivable fixed rate	9.35%
Investment maturity date	Feb. 28, 2019
Origination costs	$ 400
Skilled Nursing Facilities
Schedule of Investments [Line Items]
Number of real estate properties \| property	7
Assisted Living Facilities
Schedule of Investments [Line Items]
Number of real estate properties \| property	1
Independent Living Facilities [Member]
Schedule of Investments [Line Items]
Number of real estate properties \| property	3