SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Financial Statements, Captions [Line Items]
Net income	$ 35,228	$ 15,069	$ 298,498	$ 54,396
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	(65)	412	(178)	552
Unrealized gain on cash flow hedges	2,010	4,657	15,246	5,482
Total other comprehensive income	1,945	5,069	15,068	6,034
Comprehensive income	37,173	20,138	313,566	60,430
Comprehensive income attributable to noncontrolling interest	(10)	26	(22)	42
Comprehensive income attributable to Sabra Health Care REIT, Inc.	37,163	20,164	313,544	60,472
Elimination
Condensed Financial Statements, Captions [Line Items]
Net income	(118,322)	(121,613)	(745,214)	(258,772)
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	0	0	0	0
Unrealized gain on cash flow hedges	0	0	0	0
Total other comprehensive income	0	0	0	0
Comprehensive income	(118,322)	(121,613)	(745,214)	(258,772)
Comprehensive income attributable to noncontrolling interest	0	0	0	0
Comprehensive income attributable to Sabra Health Care REIT, Inc.	(118,322)	(121,613)	(745,214)	(258,772)
Parent Company | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net income	35,218	15,142	298,476	54,485
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	0	0	0	0
Unrealized gain on cash flow hedges	0	0	0	0
Total other comprehensive income	0	0	0	0
Comprehensive income	35,218	15,142	298,476	54,485
Comprehensive income attributable to noncontrolling interest	0	0	0	0
Comprehensive income attributable to Sabra Health Care REIT, Inc.	35,218	15,142	298,476	54,485
Operating Partnership | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net income	41,283	49,145	320,082	102,474
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	(857)	(1,352)	1,048	(2,718)
Unrealized gain on cash flow hedges	2,000	4,964	15,238	5,977
Total other comprehensive income	1,143	3,612	16,286	3,259
Comprehensive income	42,426	52,757	336,368	105,733
Comprehensive income attributable to noncontrolling interest	0	0	0	0
Comprehensive income attributable to Sabra Health Care REIT, Inc.	42,426	52,757	336,368	105,733
Sabra Capital Corporation | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net income	0	0	0	0
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	0	0	0	0
Unrealized gain on cash flow hedges	0	0	0	0
Total other comprehensive income	0	0	0	0
Comprehensive income	0	0	0	0
Comprehensive income attributable to noncontrolling interest	0	0	0	0
Comprehensive income attributable to Sabra Health Care REIT, Inc.	0	0	0	0
Combined Guarantor Subsidiaries | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net income	22,341	35,827	229,310	115,617
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	610	1,335	(926)	2,466
Unrealized gain on cash flow hedges	10	(307)	8	(495)
Total other comprehensive income	620	1,028	(918)	1,971
Comprehensive income	22,961	36,855	228,392	117,588
Comprehensive income attributable to noncontrolling interest	0	0	0	0
Comprehensive income attributable to Sabra Health Care REIT, Inc.	22,961	36,855	228,392	117,588
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net income	54,708	36,568	195,844	40,592
Unrealized gain (loss), net of tax:
Foreign currency translation (loss) gain	182	429	(300)	804
Unrealized gain on cash flow hedges	0	0	0	0
Total other comprehensive income	182	429	(300)	804
Comprehensive income	54,890	36,997	195,544	41,396
Comprehensive income attributable to noncontrolling interest	(10)	26	(22)	42
Comprehensive income attributable to Sabra Health Care REIT, Inc.	$ 54,880	$ 37,023	$ 195,522	$ 41,438