CCP MERGER AND RECENT REAL ESTATE ACQUISITIONS - Purchase Price Allocation for CCP Merger (Details) - Care Capital Properties $ in Thousands	Aug. 17, 2017 USD ($)
Business Acquisition [Line Items]
Real estate investments	$ 3,727,310
Loans receivable and other investments	58,244
Cash and cash equivalents	77,859
Restricted cash	779
Lease intangible assets, net	145,786
Accounts receivable, prepaid expenses and other assets, net	35,873
Secured debt, net	(98,500)
Revolving credit facility	(362,000)
Unsecured term loans	(674,000)
Senior unsecured notes, net	(616,873)
Accounts payable and accrued liabilities	(134,802)
Lease intangible liabilities, net	(102,643)
Noncontrolling interests	(4,455)
Total consideration	$ 2,052,578