SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Rental income	$ 130,467	$ 100,145	$ 418,951	$ 213,273
Interest and other income	3,932	4,090	12,823	8,062
Resident fees and services	17,403	7,554	52,426	17,840
Total revenues	151,802	111,789	484,200	239,175
Expenses:
Depreciation and amortization	48,468	25,933	143,301	62,290
Interest	37,305	24,568	109,880	56,218
Operating expenses	12,611	5,102	37,034	11,929
General and administrative	8,022	12,944	25,160	24,159
Merger and acquisition costs	151	23,299	593	29,750
(Recovery of) provision for doubtful accounts and loan losses	8,910	5,149	9,449	7,454
Impairment of real estate	0	0	1,413	0
Total expenses	115,467	96,995	326,830	191,800
Other (expense) income:
Loss on extinguishment of debt	0	(553)	0	(553)
Other income (expense)	1,336	51	4,156	3,121
Net gain on sales of real estate	14	582	142,445	4,614
Total other income	1,350	80	146,601	7,182
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax (expense) benefit	37,685	14,874	303,971	54,557
Loss from unconsolidated joint venture	(1,725)	0	(3,626)	0
Income tax (expense) benefit	(732)	195	(1,847)	(161)
Net income	35,228	15,069	298,498	54,396
Net income attributable to noncontrolling interests	(10)	26	(22)	42
Net income attributable to Sabra Health Care REIT, Inc.	35,218	15,095	298,476	54,438
Preferred stock dividends	0	(2,561)	(9,768)	(7,682)
Net income attributable to common stockholders	$ 35,218	$ 12,534	$ 288,708	$ 46,756
Net income attributable to common stockholders, per:
Basic common share (in dollars per share)	$ 0.20	$ 0.11	$ 1.62	$ 0.58
Diluted common share (in dollars per share)	$ 0.20	$ 0.11	$ 1.62	$ 0.57
Weighted-average number of common shares outstanding, basic (in shares)	178,317,769	112,149,638	178,309,127	81,150,846
Weighted-average number of common shares outstanding, diluted (in shares)	178,941,213	112,418,100	178,729,853	81,429,044
Elimination
Revenues:
Rental income	$ (4,303)	$ (3,187)	$ (12,856)	$ (5,164)
Interest and other income	(95)	(47)	(303)	(65)
Resident fees and services	0	0	0	0
Total revenues	(4,398)	(3,234)	(13,159)	(5,229)
Expenses:
Depreciation and amortization	0	0	0	0
Interest	(95)	0	(303)	0
Operating expenses	(4,303)	(3,187)	(12,856)	(5,182)
General and administrative	0	0	0	0
Merger and acquisition costs	0	0	0	0
(Recovery of) provision for doubtful accounts and loan losses	0	0	0	0
Impairment of real estate			0
Total expenses	(4,398)	(3,187)	(13,159)	(5,182)
Other (expense) income:
Loss on extinguishment of debt		0		0
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	(118,322)	(121,566)	(745,214)	(258,725)
Income before loss from unconsolidated joint venture and income tax (expense) benefit	(118,322)	(121,613)	(745,214)	(258,772)
Loss from unconsolidated joint venture	0		0
Income tax (expense) benefit	0	0	0	0
Net income	(118,322)	(121,613)	(745,214)	(258,772)
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		(121,613)	(745,214)	(258,772)
Preferred stock dividends		0	0	0
Net income attributable to common stockholders	(118,322)	(121,613)	(745,214)	(258,772)
Parent Company | Reportable Legal Entities
Revenues:
Rental income	0	0	0	0
Interest and other income	33	8	83	21
Resident fees and services	0	0	0	0
Total revenues	33	8	83	21
Expenses:
Depreciation and amortization	221	217	665	649
Interest	0	0	0	0
Operating expenses	0	0	0	0
General and administrative	6,933	10,058	20,764	19,380
Merger and acquisition costs	151	23,287	599	29,703
(Recovery of) provision for doubtful accounts and loan losses	(1,699)	533	793	615
Impairment of real estate			0
Total expenses	5,606	34,095	22,821	50,347
Other (expense) income:
Loss on extinguishment of debt		0		0
Other income (expense)	0	349	1,977	2,634
Net gain on sales of real estate	0	0	0	0
Total other income	0	349	1,977	2,634
Income in subsidiary	41,283	49,145	320,082	102,474
Income before loss from unconsolidated joint venture and income tax (expense) benefit	35,710	15,407	299,321	54,782
Loss from unconsolidated joint venture	0		0
Income tax (expense) benefit	(492)	(265)	(845)	(297)
Net income	35,218	15,142	298,476	54,485
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		15,142	298,476	54,485
Preferred stock dividends		(2,561)	(9,768)	(7,682)
Net income attributable to common stockholders	35,218	12,581	288,708	46,803
Operating Partnership | Reportable Legal Entities
Revenues:
Rental income	0	0	0	0
Interest and other income	95	47	303	47
Resident fees and services	0	0	0	0
Total revenues	95	47	303	47
Expenses:
Depreciation and amortization	0	0	0	0
Interest	33,892	21,765	99,873	48,689
Operating expenses	0	0	0	0
General and administrative	24	16	52	47
Merger and acquisition costs	0	0	0	0
(Recovery of) provision for doubtful accounts and loan losses	0	0	0	0
Impairment of real estate			0
Total expenses	33,916	21,781	99,925	48,736
Other (expense) income:
Loss on extinguishment of debt		(422)		(422)
Other income (expense)	(11)	688	222	707
Net gain on sales of real estate	0	0	0	0
Total other income	(11)	266	222	285
Income in subsidiary	75,115	70,613	419,483	150,879
Income before loss from unconsolidated joint venture and income tax (expense) benefit	41,283	49,145	320,083	102,475
Loss from unconsolidated joint venture	0		0
Income tax (expense) benefit	0	0	(1)	(1)
Net income	41,283	49,145	320,082	102,474
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		49,145	320,082	102,474
Preferred stock dividends		0	0	0
Net income attributable to common stockholders	41,283	49,145	320,082	102,474
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
(Recovery of) provision for doubtful accounts and loan losses	0	0	0	0
Impairment of real estate			0
Total expenses	0	0	0	0
Other (expense) income:
Loss on extinguishment of debt		0		0
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) benefit	0	0	0	0
Loss from unconsolidated joint venture	0		0
Income tax (expense) benefit	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
Preferred stock dividends		0	0	0
Net income attributable to common stockholders	0	0	0	0
Combined Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental income	40,570	54,640	130,594	160,121
Interest and other income	1,665	1,991	4,130	6,014
Resident fees and services	0	0	0	0
Total revenues	42,235	56,631	134,724	166,135
Expenses:
Depreciation and amortization	14,615	15,500	43,691	47,882
Interest	846	792	2,446	2,237
Operating expenses	0	0	0	0
General and administrative	614	1,671	1,424	3,429
Merger and acquisition costs	0	12	0	47
(Recovery of) provision for doubtful accounts and loan losses	4,315	4,616	2,359	6,839
Impairment of real estate			1,413
Total expenses	20,390	22,591	51,333	60,434
Other (expense) income:
Loss on extinguishment of debt		(131)		(131)
Other income (expense)	(70)	(986)	308	(220)
Net gain on sales of real estate	(1,158)	614	140,704	4,640
Total other income	(1,228)	(503)	141,012	4,289
Income in subsidiary	1,924	1,808	5,649	5,372
Income before loss from unconsolidated joint venture and income tax (expense) benefit	22,541	35,345	230,052	115,362
Loss from unconsolidated joint venture	0		0
Income tax (expense) benefit	(200)	482	(742)	255
Net income	22,341	35,827	229,310	115,617
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		35,827	229,310	115,617
Preferred stock dividends		0	0	0
Net income attributable to common stockholders	22,341	35,827	229,310	115,617
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental income	94,200	48,692	301,213	58,316
Interest and other income	2,234	2,091	8,610	2,045
Resident fees and services	17,403	7,554	52,426	17,840
Total revenues	113,837	58,337	362,249	78,201
Expenses:
Depreciation and amortization	33,632	10,216	98,945	13,759
Interest	2,662	2,011	7,864	5,292
Operating expenses	16,914	8,289	49,890	17,111
General and administrative	451	1,199	2,920	1,303
Merger and acquisition costs	0	0	(6)	0
(Recovery of) provision for doubtful accounts and loan losses	6,294	0	6,297	0
Impairment of real estate			0
Total expenses	59,953	21,715	165,910	37,465
Other (expense) income:
Loss on extinguishment of debt		0		0
Other income (expense)	1,417	0	1,649	0
Net gain on sales of real estate	1,172	(32)	1,741	(26)
Total other income	2,589	(32)	3,390	(26)
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax (expense) benefit	56,473	36,590	199,729	40,710
Loss from unconsolidated joint venture	(1,725)		(3,626)
Income tax (expense) benefit	(40)	(22)	(259)	(118)
Net income	54,708	36,568	195,844	40,592
Net income attributable to noncontrolling interests	(10)	26	(22)	42
Net income attributable to Sabra Health Care REIT, Inc.		36,594	195,822	40,634
Preferred stock dividends		0	0	0
Net income attributable to common stockholders	$ 54,698	$ 36,594	$ 195,822	$ 40,634