CCP MERGER AND RECENT REAL ESTATE ACQUISITIONS - Schedule of Purchase Price Allocation of CCP (Details) - Care Capital Properties [Member] $ in Thousands	Aug. 17, 2017 USD ($)
Business Acquisition [Line Items]
Real estate investments	$ 3,629,447
Loans receivable and other investments	57,064
Cash and cash equivalents	77,858
Restricted cash	779
Lease intangible assets, net	234,426
Accounts receivable, prepaid expenses and other assets, net	35,829
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	(132,860)
Lease intangible liabilities, net	(95,859)
Noncontrolling interests	(2,733)
Total consideration	$ 2,052,578