SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Rental income	$ 144,229	$ 55,904	$ 288,484	$ 113,128
Interest and other income	4,553	2,027	8,891	3,972
Resident fees and services	17,530	6,805	35,023	10,286
Total revenues	166,312	64,736	332,398	127,386
Expenses:
Depreciation and amortization	46,828	17,220	94,833	36,357
Interest	36,757	15,862	72,575	31,650
Operating expenses	12,299	4,407	24,423	6,827
General and administrative	9,271	5,126	17,138	11,215
Merger and acquisition costs	112	5,887	442	6,451
Provision for (recovery of) doubtful accounts and loan losses	(674)	535	539	2,305
Impairment of real estate	881	0	1,413	0
Total expenses	105,474	49,037	211,363	94,805
Other income:
Other income (expense)	0	941	2,820	3,070
Net gain on sales of real estate	142,903	4,032	142,431	4,032
Total other income	142,903	4,973	145,251	7,102
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	203,741	20,672	266,286	39,683
Loss from unconsolidated joint venture	(2,347)	0	(1,901)	0
Income tax benefit (expense)	(605)	(136)	(1,115)	(356)
Net income	200,789	20,536	263,270	39,327
Net income attributable to noncontrolling interests	(2)	(16)	(12)	16
Net income attributable to Sabra Health Care REIT, Inc.	200,787	20,520	263,258	39,343
Preferred stock dividends	(7,207)	(2,560)	(9,768)	(5,121)
Net income attributable to common stockholders	$ 193,580	$ 17,960	$ 253,490	$ 34,222
Net income attributable to common stockholders, per:
Basic common share (in dollars per share)	$ 1.09	$ 0.27	$ 1.42	$ 0.52
Diluted common share (in dollars per share)	$ 1.08	$ 0.27	$ 1.42	$ 0.52
Weighted-average number of common shares outstanding, basic (in shares)	178,314,750	65,438,739	178,304,733	65,396,146
Weighted-average number of common shares outstanding, diluted (in shares)	178,684,024	65,670,853	178,600,789	65,694,019
Elimination
Revenues:
Rental income	$ (4,320)	$ (1,194)	$ (8,553)	$ (1,978)
Interest and other income	(96)	(18)	(208)	(18)
Resident fees and services	0	0	0	0
Total revenues	(4,416)	(1,212)	(8,761)	(1,996)
Expenses:
Depreciation and amortization	0	0	0	0
Interest	(96)	0	(208)	0
Operating expenses	(4,320)	(1,212)	(8,553)	(1,996)
General and administrative	0	0	0	0
Merger and acquisition costs	0	0	0	0
Provision for (recovery of) doubtful accounts and loan losses	0	0	0	0
Impairment of real estate	0		0
Total expenses	(4,416)	(1,212)	(8,761)	(1,996)
Other income:
Other income (expense)	0	0	0	0
Net gain on sales of real estate	0	0	0	0
Total other income	0	0	0	0
Income in subsidiary	(454,085)	(74,403)	(626,890)	(136,445)
Income before loss from unconsolidated joint venture and income tax expense	(454,085)	(74,403)	(626,890)	(136,445)
Loss from unconsolidated joint venture	0		0
Income tax benefit (expense)	0	0	0	0
Net income	(454,085)	(74,403)	(626,890)	(136,445)
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.	(454,085)	(74,403)	(626,890)	(136,445)
Preferred stock dividends	0	0	0	0
Net income attributable to common stockholders	(454,085)	(74,403)	(626,890)	(136,445)
Parent Company | Reportable Legal Entities
Revenues:
Rental income	0	0	0	0
Interest and other income	40	6	50	13
Resident fees and services	0	0	0	0
Total revenues	40	6	50	13
Expenses:
Depreciation and amortization	222	216	443	432
Interest	0	0	0	0
Operating expenses	0	0	0	0
General and administrative	8,009	4,063	13,831	9,322
Merger and acquisition costs	112	5,883	448	6,417
Provision for (recovery of) doubtful accounts and loan losses	311	227	2,492	82
Impairment of real estate	0		0
Total expenses	8,654	10,389	17,214	16,253
Other income:
Other income (expense)	0	916	1,977	2,283
Net gain on sales of real estate	0	0	0	0
Total other income	0	916	1,977	2,283
Income in subsidiary	209,456	29,894	278,798	53,331
Income before loss from unconsolidated joint venture and income tax expense	200,842	20,427	263,611	39,374
Loss from unconsolidated joint venture	0		0
Income tax benefit (expense)	(55)	93	(353)	(31)
Net income	200,787	20,520	263,258	39,343
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.	200,787	20,520	263,258	39,343
Preferred stock dividends	(7,207)	(2,560)	(9,768)	(5,121)
Net income attributable to common stockholders	193,580	17,960	253,490	34,222
Operating Partnership | Reportable Legal Entities
Revenues:
Rental income	0	0	0	0
Interest and other income	96	0	208	0
Resident fees and services	0	0	0	0
Total revenues	96	0	208	0
Expenses:
Depreciation and amortization	0	0	0	0
Interest	33,415	13,516	65,980	26,924
Operating expenses	0	0	0	0
General and administrative	14	17	29	31
Merger and acquisition costs	0	0	0	0
Provision for (recovery of) doubtful accounts and loan losses	0	0	0	0
Impairment of real estate	0		0
Total expenses	33,429	13,533	66,009	26,955
Other income:
Other income (expense)	32	703	233	737
Net gain on sales of real estate	0	0	0	0
Total other income	32	703	233	737
Income in subsidiary	242,758	42,724	344,367	79,550
Income before loss from unconsolidated joint venture and income tax expense	209,457	29,894	278,799	53,332
Loss from unconsolidated joint venture	0		0
Income tax benefit (expense)	(1)	0	(1)	(1)
Net income	209,456	29,894	278,798	53,331
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.	209,456	29,894	278,798	53,331
Preferred stock dividends	0	0	0	0
Net income attributable to common stockholders	209,456	29,894	278,798	53,331
Sabra Capital Corporation | Reportable Legal Entities
Revenues:
Rental income	0	0	0	0
Interest and other income	0	0	0	0
Resident fees and services	0	0	0	0
Total revenues	0	0	0	0
Expenses:
Depreciation and amortization	0	0	0	0
Interest	0	0	0	0
Operating expenses	0	0	0	0
General and administrative	0	0	0	0
Merger and acquisition costs	0	0	0	0
Provision for (recovery of) doubtful accounts and loan losses	0	0	0	0
Impairment of real estate	0		0
Total expenses	0	0	0	0
Other income:
Other income (expense)	0	0	0	0
Net gain on sales of real estate	0	0	0	0
Total other income	0	0	0	0
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	0	0	0	0
Loss from unconsolidated joint venture	0		0
Income tax benefit (expense)	0	0	0	0
Net income	0	0	0	0
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.	0	0	0	0
Preferred stock dividends	0	0	0	0
Net income attributable to common stockholders	0	0	0	0
Combined Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental income	44,560	52,442	90,024	105,481
Interest and other income	1,198	2,039	2,465	3,977
Resident fees and services	0	0	0	0
Total revenues	45,758	54,481	92,489	109,458
Expenses:
Depreciation and amortization	14,146	15,425	29,076	32,381
Interest	810	715	1,601	1,445
Operating expenses	0	0	0	0
General and administrative	379	991	810	1,758
Merger and acquisition costs	0	4	0	34
Provision for (recovery of) doubtful accounts and loan losses	(985)	308	(1,956)	2,223
Impairment of real estate	881		1,413
Total expenses	15,231	17,443	30,944	37,841
Other income:
Other income (expense)	(32)	(665)	378	50
Net gain on sales of real estate	141,918	4,026	141,862	4,026
Total other income	141,886	3,361	142,240	4,076
Income in subsidiary	1,871	1,785	3,725	3,564
Income before loss from unconsolidated joint venture and income tax expense	174,284	42,184	207,510	79,257
Loss from unconsolidated joint venture	0		0
Income tax benefit (expense)	(489)	(227)	(542)	(227)
Net income	173,795	41,957	206,968	79,030
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.	173,795	41,957	206,968	79,030
Preferred stock dividends	0	0	0	0
Net income attributable to common stockholders	173,795	41,957	206,968	79,030
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental income	103,989	4,656	207,013	9,625
Interest and other income	3,315	0	6,376	0
Resident fees and services	17,530	6,805	35,023	10,286
Total revenues	124,834	11,461	248,412	19,911
Expenses:
Depreciation and amortization	32,460	1,579	65,314	3,544
Interest	2,628	1,631	5,202	3,281
Operating expenses	16,619	5,619	32,976	8,823
General and administrative	869	55	2,468	104
Merger and acquisition costs	0	0	(6)	0
Provision for (recovery of) doubtful accounts and loan losses	0	0	3	0
Impairment of real estate	0		0
Total expenses	52,576	8,884	105,957	15,752
Other income:
Other income (expense)	0	(13)	232	0
Net gain on sales of real estate	985	6	569	6
Total other income	985	(7)	801	6
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	73,243	2,570	143,256	4,165
Loss from unconsolidated joint venture	(2,347)		(1,901)
Income tax benefit (expense)	(60)	(2)	(219)	(97)
Net income	70,836	2,568	141,136	4,068
Net income attributable to noncontrolling interests	(2)	(16)	(12)	16
Net income attributable to Sabra Health Care REIT, Inc.	70,834	2,552	141,124	4,084
Preferred stock dividends	0	0	0	0
Net income attributable to common stockholders	$ 70,834	$ 2,552	$ 141,124	$ 4,084