SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Rental and related revenues	$ 110,104	$ 130,467	$ 339,291	$ 418,951
Interest and other income	3,325	3,932	77,145	12,823
Resident fees and services	36,405	17,403	89,537	52,426
Total revenues	149,834	151,802	505,973	484,200
Expenses:
Depreciation and amortization	43,092	48,468	137,517	143,301
Interest	29,255	37,305	99,181	109,880
General and administrative	8,709	8,173	24,952	25,753
Provision for doubtful accounts, straight-line rental income and loan losses	57	8,910	1,457	9,449
Impairment of real estate	13,966	0	119,102	1,413
Total expenses	124,669	115,467	459,607	326,830
Other (expense) income:
Loss on extinguishment of debt	(644)	0	(10,763)	0
Other income (expense)	215	1,336	385	4,156
Net (loss) gain on sales of real estate	(19)	14	1,216	142,445
Total other income (expense)	(448)	1,350	(9,162)	146,601
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	24,717	37,685	37,204	303,971
Loss from unconsolidated joint venture	(605)	(1,725)	(5,635)	(3,626)
Income tax expense	(826)	(732)	(2,292)	(1,847)
Net income	23,286	35,228	29,277	298,498
Net income attributable to noncontrolling interests	(4)	(10)	(22)	(22)
Net income attributable to Sabra Health Care REIT, Inc.	23,282	35,218	29,255	298,476
Preferred stock dividends	0	0	0	(9,768)
Net income attributable to common stockholders	$ 23,282	$ 35,218	$ 29,255	$ 288,708
Net income attributable to common stockholders, per:
Basic common share (in dollars per share)	$ 0.12	$ 0.20	$ 0.16	$ 1.62
Diluted common share (in dollars per share)	$ 0.12	$ 0.20	$ 0.16	$ 1.62
Weighted-average number of common shares outstanding, basic (in shares)	190,650,400	178,317,769	183,578,254	178,309,127
Weighted-average number of common shares outstanding, diluted (in shares)	191,952,389	178,941,213	184,698,411	178,729,853
Triple-Net Portfolio
Expenses:
Operating expenses	$ 5,611	$ 0	$ 17,140	$ 0
Senior Housing - Managed
Expenses:
Operating expenses	23,979	12,611	60,258	37,034
Elimination
Revenues:
Rental and related revenues	(9,445)	(4,303)	(23,191)	(12,856)
Interest and other income	(1,864)	(95)	(3,855)	(303)
Resident fees and services	0	0	0	0
Total revenues	(11,309)	(4,398)	(27,046)	(13,159)
Expenses:
Depreciation and amortization	0	0	0	0
Interest	(1,864)	(95)	(3,855)	(303)
General and administrative	0	0	0	0
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0	0
Impairment of real estate	0		0	0
Total expenses	(11,309)	(4,398)	(27,046)	(13,159)
Other (expense) income:
Loss on extinguishment of debt	0		0
Other income (expense)	0	0	0	0
Net (loss) gain on sales of real estate	0	0	0	0
Total other income (expense)	0	0	0	0
Income in subsidiary	(91,360)	(118,322)	(212,664)	(745,214)
Income before loss from unconsolidated joint venture and income tax expense	(91,360)	(118,322)	(212,664)	(745,214)
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	0	0	0	0
Net income	(91,360)	(118,322)	(212,664)	(745,214)
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.				(745,214)
Preferred stock dividends				0
Net income attributable to common stockholders	(91,360)	(118,322)	(212,664)	(745,214)
Elimination | Triple-Net Portfolio
Expenses:
Operating expenses	0		0
Elimination | Senior Housing - Managed
Expenses:
Operating expenses	(9,445)	(4,303)	(23,191)	(12,856)
Parent Company | Reportable Legal Entities
Revenues:
Rental and related revenues	0	0	0	0
Interest and other income	47	33	167	83
Resident fees and services	0	0	0	0
Total revenues	47	33	167	83
Expenses:
Depreciation and amortization	11	221	35	665
Interest	0	0	0	0
General and administrative	8,010	7,084	23,247	21,363
Provision for doubtful accounts, straight-line rental income and loan losses	57	(1,699)	223	793
Impairment of real estate	0		0	0
Total expenses	8,078	5,606	23,505	22,821
Other (expense) income:
Loss on extinguishment of debt	(598)		(598)
Other income (expense)	0	0	0	1,977
Net (loss) gain on sales of real estate	0	0	0	0
Total other income (expense)	(598)	0	(598)	1,977
Income in subsidiary	32,182	41,283	53,810	320,082
Income before loss from unconsolidated joint venture and income tax expense	23,553	35,710	29,874	299,321
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	(271)	(492)	(619)	(845)
Net income	23,282	35,218	29,255	298,476
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.				298,476
Preferred stock dividends				(9,768)
Net income attributable to common stockholders	23,282	35,218	29,255	288,708
Parent Company | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	0		0
Parent Company | Reportable Legal Entities | Senior Housing - Managed
Expenses:
Operating expenses	0	0	0	0
Operating Partnership | Reportable Legal Entities
Revenues:
Rental and related revenues	0	0	0	0
Interest and other income	1,863	95	3,855	303
Resident fees and services	0	0	0	0
Total revenues	1,863	95	3,855	303
Expenses:
Depreciation and amortization	0	0	0	0
Interest	27,275	33,892	93,165	99,873
General and administrative	91	24	153	52
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0	0
Impairment of real estate	0		0	0
Total expenses	27,366	33,916	93,318	99,925
Other (expense) income:
Loss on extinguishment of debt	(2)		(10,121)
Other income (expense)	205	(11)	(403)	222
Net (loss) gain on sales of real estate	0	0	0	0
Total other income (expense)	203	(11)	(10,524)	222
Income in subsidiary	57,482	75,115	153,798	419,483
Income before loss from unconsolidated joint venture and income tax expense	32,182	41,283	53,811	320,083
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	0	0	(1)	(1)
Net income	32,182	41,283	53,810	320,082
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.				320,082
Preferred stock dividends				0
Net income attributable to common stockholders	32,182	41,283	53,810	320,082
Operating Partnership | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	0		0
Operating Partnership | Reportable Legal Entities | Senior Housing - Managed
Expenses:
Operating expenses	0	0	0	0
Sabra Capital Corporation | Reportable Legal Entities
Revenues:
Rental and related revenues	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
General and administrative	0	0	0	0
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0	0
Impairment of real estate	0		0	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 (loss) gain on sales of real estate	0	0	0	0
Total other income (expense)	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	0	0
Income tax 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
Preferred stock dividends				0
Net income attributable to common stockholders	0	0	0	0
Sabra Capital Corporation | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	0		0
Sabra Capital Corporation | Reportable Legal Entities | Senior Housing - Managed
Expenses:
Operating expenses	0	0	0	0
Combined Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental and related revenues	24,947	35,204	84,344	106,773
Interest and other income	1,355	1,434	70,784	3,847
Resident fees and services	0	0	0	0
Total revenues	26,302	36,638	155,128	110,620
Expenses:
Depreciation and amortization	11,692	12,634	38,934	36,765
Interest	2,665	846	6,234	2,446
General and administrative	274	636	550	1,419
Provision for doubtful accounts, straight-line rental income and loan losses	0	4,315	0	2,359
Impairment of real estate	10,835		10,835	1,413
Total expenses	26,123	18,431	58,380	44,402
Other (expense) income:
Loss on extinguishment of debt	(44)		(44)
Other income (expense)	(167)	(70)	434	308
Net (loss) gain on sales of real estate	0	(1,136)	(179)	40,384
Total other income (expense)	(211)	(1,206)	211	40,692
Income in subsidiary	1,696	1,924	5,056	5,649
Income before loss from unconsolidated joint venture and income tax expense	1,664	18,925	102,015	112,559
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	(133)	(200)	(780)	(742)
Net income	1,531	18,725	101,235	111,817
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.				111,817
Preferred stock dividends				0
Net income attributable to common stockholders	1,531	18,725	101,235	111,817
Combined Guarantor Subsidiaries | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	657		1,827
Combined Guarantor Subsidiaries | Reportable Legal Entities | Senior Housing - Managed
Expenses:
Operating expenses	0	0	0	0
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental and related revenues	94,602	99,566	278,138	325,034
Interest and other income	1,924	2,465	6,194	8,893
Resident fees and services	36,405	17,403	89,537	52,426
Total revenues	132,931	119,434	373,869	386,353
Expenses:
Depreciation and amortization	31,389	35,613	98,548	105,871
Interest	1,179	2,662	3,637	7,864
General and administrative	334	429	1,002	2,919
Provision for doubtful accounts, straight-line rental income and loan losses	0	6,294	1,234	6,297
Impairment of real estate	3,131		108,267	0
Total expenses	74,411	61,912	311,450	172,841
Other (expense) income:
Loss on extinguishment of debt	0		0
Other income (expense)	177	1,417	354	1,649
Net (loss) gain on sales of real estate	(19)	1,150	1,395	102,061
Total other income (expense)	158	2,567	1,749	103,710
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	58,678	60,089	64,168	317,222
Loss from unconsolidated joint venture	(605)	(1,725)	(5,635)	(3,626)
Income tax expense	(422)	(40)	(892)	(259)
Net income	57,651	58,324	57,641	313,337
Net income attributable to noncontrolling interests	(4)	(10)	(22)	(22)
Net income attributable to Sabra Health Care REIT, Inc.				313,315
Preferred stock dividends				0
Net income attributable to common stockholders	57,647	58,314	57,619	313,315
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	4,954		15,313
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities | Senior Housing - Managed
Expenses:
Operating expenses	$ 33,424	$ 16,914	$ 83,449	$ 49,890