SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 191,878	$ 211,553
Cash flows from investing activities:
Acquisition of real estate	0	(213,982)
Origination and fundings of loans receivable	(8,823)	(28,157)
Origination and fundings of preferred equity investments	0	(945)
Additions to real estate	(8,596)	(16,817)
Repayments of loans receivable	10,102	38,887
Repayments of preferred equity investments	2,463	375
Investment in unconsolidated joint venture	0	(354,461)
Net proceeds from the sales of real estate	322,736	278,201
Distribution from subsidiaries	0	0
Intercompany financing	0	0
Net cash provided by (used in) investing activities	317,882	(296,899)
Cash flows from financing activities:
Net repayments of revolving credit facility	(349,000)
Net borrowings from revolving credit facility		35,000
Proceeds from issuance of senior unsecured notes	300,000	0
Principal payments on senior unsecured notes	(500,000)	0
Principal payments on secured debt	(1,703)	(2,128)
Payments of deferred financing costs	(4,413)	(12)
Payments related to extinguishment of debt	(6,895)	0
Distributions to noncontrolling interests	(73)	(72)
Preferred stock redemption	0	(143,750)
Issuance of common stock, net	211,575	(499)
Dividends paid on common and preferred stock	(161,735)	(164,736)
Distribution to parent	0	0
Intercompany financing	0	0
Net cash used in financing activities	(512,244)	(276,197)
Net decrease in cash, cash equivalents and restricted cash	(2,484)	(361,543)
Effect of foreign currency translation on cash, cash equivalents and restricted cash	300	(252)
Cash, cash equivalents and restricted cash, beginning of period	59,658	587,449
Cash, cash equivalents and restricted cash, end of period	57,474	225,654
Elimination
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Acquisition of real estate		0
Origination and fundings of loans receivable	0	0
Origination and fundings of preferred equity investments		0
Additions to real estate	0	0
Repayments of loans receivable	0	0
Repayments of preferred equity investments	0	0
Investment in unconsolidated joint venture		0
Net proceeds from the sales of real estate	0	0
Distribution from subsidiaries	(5,062)	(5,338)
Intercompany financing	(79,534)	791,958
Net cash provided by (used in) investing activities	(84,596)	786,620
Cash flows from financing activities:
Net repayments of revolving credit facility	0
Net borrowings from revolving credit facility		0
Proceeds from issuance of senior unsecured notes	0
Principal payments on senior unsecured notes	0
Principal payments on secured debt	0	0
Payments of deferred financing costs	0	0
Payments related to extinguishment of debt	0
Distributions to noncontrolling interests	0	0
Preferred stock redemption		0
Issuance of common stock, net	0	0
Dividends paid on common and preferred stock	0	0
Distribution to parent	5,062	5,338
Intercompany financing	79,534	(791,958)
Net cash used in financing activities	84,596	(786,620)
Net decrease in cash, cash equivalents and restricted cash	0	0
Effect of foreign currency translation on cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash, beginning of period	0	0
Cash, cash equivalents and restricted cash, end of period	0	0
Parent Company | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	185,681	204,440
Cash flows from investing activities:
Acquisition of real estate		0
Origination and fundings of loans receivable	0	0
Origination and fundings of preferred equity investments		0
Additions to real estate	0	(40)
Repayments of loans receivable	0	0
Repayments of preferred equity investments	0	0
Investment in unconsolidated joint venture		0
Net proceeds from the sales of real estate	0	0
Distribution from subsidiaries	2,531	2,669
Intercompany financing	(240,387)	(378,485)
Net cash provided by (used in) investing activities	(237,856)	(375,856)
Cash flows from financing activities:
Net repayments of revolving credit facility	0
Net borrowings from revolving credit facility		0
Proceeds from issuance of senior unsecured notes	0
Principal payments on senior unsecured notes	0
Principal payments on secured debt	0	0
Payments of deferred financing costs	0	0
Payments related to extinguishment of debt	0
Distributions to noncontrolling interests	0	0
Preferred stock redemption		(143,750)
Issuance of common stock, net	211,575	(499)
Dividends paid on common and preferred stock	(161,735)	(164,736)
Distribution to parent	0	0
Intercompany financing	0	0
Net cash used in financing activities	49,840	(308,985)
Net decrease in cash, cash equivalents and restricted cash	(2,335)	(480,401)
Effect of foreign currency translation on cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash, beginning of period	40,835	511,670
Cash, cash equivalents and restricted cash, end of period	38,500	31,269
Operating Partnership | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Acquisition of real estate		0
Origination and fundings of loans receivable	0	0
Origination and fundings of preferred equity investments		0
Additions to real estate	0	0
Repayments of loans receivable	0	0
Repayments of preferred equity investments	0	0
Investment in unconsolidated joint venture		0
Net proceeds from the sales of real estate	0	0
Distribution from subsidiaries	2,531	2,669
Intercompany financing	319,921	(413,473)
Net cash provided by (used in) investing activities	322,452	(410,804)
Cash flows from financing activities:
Net repayments of revolving credit facility	(349,000)
Net borrowings from revolving credit facility		35,000
Proceeds from issuance of senior unsecured notes	300,000
Principal payments on senior unsecured notes	(500,000)
Principal payments on secured debt	0	0
Payments of deferred financing costs	(4,413)	(12)
Payments related to extinguishment of debt	(6,895)
Distributions to noncontrolling interests	0	0
Preferred stock redemption		0
Issuance of common stock, net	0	0
Dividends paid on common and preferred stock	0	0
Distribution to parent	(2,531)	(2,669)
Intercompany financing	240,387	378,485
Net cash used in financing activities	(322,452)	410,804
Net decrease in cash, cash equivalents and restricted cash	0	0
Effect of foreign currency translation on cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash, beginning of period	0	0
Cash, cash equivalents and restricted cash, end of period	0	0
Sabra Capital Corporation | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Acquisition of real estate		0
Origination and fundings of loans receivable	0	0
Origination and fundings of preferred equity investments		0
Additions to real estate	0	0
Repayments of loans receivable	0	0
Repayments of preferred equity investments	0	0
Investment in unconsolidated joint venture		0
Net proceeds from the sales of real estate	0	0
Distribution from subsidiaries	0	0
Intercompany financing	0	0
Net cash provided by (used in) investing activities	0	0
Cash flows from financing activities:
Net repayments of revolving credit facility	0
Net borrowings from revolving credit facility		0
Proceeds from issuance of senior unsecured notes	0
Principal payments on senior unsecured notes
Principal payments on secured debt	0	0
Payments of deferred financing costs	0	0
Payments related to extinguishment of debt	0
Distributions to noncontrolling interests	0	0
Preferred stock redemption		0
Issuance of common stock, net	0	0
Dividends paid on common and preferred stock	0	0
Distribution to parent	0	0
Intercompany financing	0	0
Net cash used in financing activities	0	0
Net decrease in cash, cash equivalents and restricted cash	0	0
Effect of foreign currency translation on cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash, beginning of period	0	0
Cash, cash equivalents and restricted cash, end of period	0	0
Combined Guarantor Subsidiaries | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	438	1,014
Cash flows from investing activities:
Acquisition of real estate		(29,711)
Origination and fundings of loans receivable	(5,400)	(1,973)
Origination and fundings of preferred equity investments		(945)
Additions to real estate	(4,009)	(4,660)
Repayments of loans receivable	92	6,577
Repayments of preferred equity investments	2,463	375
Investment in unconsolidated joint venture		0
Net proceeds from the sales of real estate	22,605	78,072
Distribution from subsidiaries	0	0
Intercompany financing	0	0
Net cash provided by (used in) investing activities	15,751	47,735
Cash flows from financing activities:
Net repayments of revolving credit facility	0
Net borrowings from revolving credit facility		0
Proceeds from issuance of senior unsecured notes	0
Principal payments on senior unsecured notes	0
Principal payments on secured debt	0	0
Payments of deferred financing costs	0	0
Payments related to extinguishment of debt	0
Distributions to noncontrolling interests	0	0
Preferred stock redemption		0
Issuance of common stock, net	0	0
Dividends paid on common and preferred stock	0	0
Distribution to parent	0	0
Intercompany financing	(17,230)	(8,130)
Net cash used in financing activities	(17,230)	(8,130)
Net decrease in cash, cash equivalents and restricted cash	(1,041)	40,619
Effect of foreign currency translation on cash, cash equivalents and restricted cash	198	(146)
Cash, cash equivalents and restricted cash, beginning of period	5,328	6,761
Cash, cash equivalents and restricted cash, end of period	4,485	47,234
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	5,759	6,099
Cash flows from investing activities:
Acquisition of real estate		(184,271)
Origination and fundings of loans receivable	(3,423)	(26,184)
Origination and fundings of preferred equity investments		0
Additions to real estate	(4,587)	(12,117)
Repayments of loans receivable	10,010	32,310
Repayments of preferred equity investments	0	0
Investment in unconsolidated joint venture		(354,461)
Net proceeds from the sales of real estate	300,131	200,129
Distribution from subsidiaries	0	0
Intercompany financing	0	0
Net cash provided by (used in) investing activities	302,131	(344,594)
Cash flows from financing activities:
Net repayments of revolving credit facility	0
Net borrowings from revolving credit facility		0
Proceeds from issuance of senior unsecured notes	0
Principal payments on senior unsecured notes	0
Principal payments on secured debt	(1,703)	(2,128)
Payments of deferred financing costs	0	0
Payments related to extinguishment of debt	0
Distributions to noncontrolling interests	(73)	(72)
Preferred stock redemption		0
Issuance of common stock, net	0	0
Dividends paid on common and preferred stock	0	0
Distribution to parent	(2,531)	(2,669)
Intercompany financing	(302,691)	421,603
Net cash used in financing activities	(306,998)	416,734
Net decrease in cash, cash equivalents and restricted cash	892	78,239
Effect of foreign currency translation on cash, cash equivalents and restricted cash	102	(106)
Cash, cash equivalents and restricted cash, beginning of period	13,495	69,018
Cash, cash equivalents and restricted cash, end of period	$ 14,489	$ 147,151