SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Rental and related revenues	$ 112,800	$ 144,229	$ 229,187	$ 288,484
Interest and other income	70,495	4,553	73,820	8,891
Resident fees and services	36,071	17,530	53,132	35,023
Total revenues	219,366	166,312	356,139	332,398
Expenses:
Depreciation and amortization	49,476	46,828	94,425	94,833
Interest	33,608	36,757	69,926	72,575
General and administrative	8,059	9,383	16,243	17,580
Provision for doubtful accounts, straight-line rental income and loan losses	193	(674)	1,400	539
Impairment of real estate	2,002	881	105,136	1,413
Total expenses	123,817	105,474	334,938	211,363
Other (expense) income:
Other income (expense)	(1)	0	170	2,820
Net gain on sales of real estate	2,755	142,903	1,235	142,431
Total other (expense) income	(7,365)	142,903	(8,714)	145,251
Loss on extinguishment of debt	(10,119)	0	(10,119)	0
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	88,184	203,741	12,487	266,286
Loss from unconsolidated joint venture	(3,647)	(2,347)	(5,030)	(1,901)
Income tax expense	(854)	(605)	(1,466)	(1,115)
Net income	83,683	200,789	5,991	263,270
Net income attributable to noncontrolling interests	(6)	(2)	(18)	(12)
Net income attributable to Sabra Health Care REIT, Inc.	83,677	200,787	5,973	263,258
Preferred stock dividends	0	(7,207)	0	(9,768)
Net income attributable to common stockholders	$ 83,677	$ 193,580	$ 5,973	$ 253,490
Net income attributable to common stockholders, per:
Basic common share (in dollars per share)	$ 0.46	$ 1.09	$ 0.03	$ 1.42
Diluted common share (in dollars per share)	$ 0.46	$ 1.08	$ 0.03	$ 1.42
Weighted-average number of common shares outstanding, basic (in shares)	181,567,464	178,314,750	179,984,959	178,304,733
Weighted-average number of common shares outstanding, diluted (in shares)	182,254,100	178,684,024	180,637,059	178,600,789
Triple-Net Portfolio
Expenses:
Operating expenses	$ 6,240	$ 0	$ 11,529	$ 0
Senior Housing - Managed
Expenses:
Operating expenses	24,239	12,299	36,279	24,423
Elimination
Revenues:
Rental and related revenues	(9,370)	(4,320)	(13,747)	(8,553)
Interest and other income	(1,896)	(96)	(1,991)	(208)
Resident fees and services	0	0	0	0
Total revenues	(11,266)	(4,416)	(15,738)	(8,761)
Expenses:
Depreciation and amortization	0	0	0	0
Interest	(1,896)	(96)	(1,991)	(208)
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	0
Total expenses	(11,266)	(4,416)	(15,738)	(8,761)
Other (expense) income:
Other income (expense)	0	0	0	0
Net gain on sales of real estate	0	0	0	0
Total other (expense) income	0	0	0	0
Loss on extinguishment of debt	0		0
Income in subsidiary	(224,482)	(454,085)	(121,308)	(626,890)
Income before loss from unconsolidated joint venture and income tax expense	(224,482)	(454,085)	(121,308)	(626,890)
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	0	0	0	0
Net income	(224,482)	(454,085)	(121,308)	(626,890)
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		(454,085)		(626,890)
Preferred stock dividends		0		0
Net income attributable to common stockholders	(224,482)	(454,085)	(121,308)	(626,890)
Elimination | Triple-Net Portfolio
Expenses:
Operating expenses	0		0
Elimination | Senior Housing - Managed
Expenses:
Operating expenses	(9,370)	(4,320)	(13,747)	(8,553)
Parent Company | Reportable Legal Entities
Revenues:
Rental and related revenues	0	0	0	0
Interest and other income	91	40	120	50
Resident fees and services	0	0	0	0
Total revenues	91	40	120	50
Expenses:
Depreciation and amortization	12	222	24	443
Interest	0	0	0	0
General and administrative	7,706	8,121	15,236	14,279
Provision for doubtful accounts, straight-line rental income and loan losses	193	311	166	2,492
Impairment of real estate	0	0	0	0
Total expenses	7,911	8,654	15,426	17,214
Other (expense) income:
Other income (expense)	0	0	0	1,977
Net gain on sales of real estate	0	0	0	0
Total other (expense) income	0	0	0	1,977
Loss on extinguishment of debt	0		0
Income in subsidiary	91,406	209,456	21,629	278,798
Income before loss from unconsolidated joint venture and income tax expense	83,586	200,842	6,323	263,611
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	91	(55)	(350)	(353)
Net income	83,677	200,787	5,973	263,258
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		200,787		263,258
Preferred stock dividends		(7,207)		(9,768)
Net income attributable to common stockholders	83,677	193,580	5,973	253,490
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	1,896	96	1,991	208
Resident fees and services	0	0	0	0
Total revenues	1,896	96	1,991	208
Expenses:
Depreciation and amortization	0	0	0	0
Interest	31,616	33,415	65,891	65,980
General and administrative	31	14	62	29
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0	0
Impairment of real estate	0	0	0	0
Total expenses	31,647	33,429	65,953	66,009
Other (expense) income:
Other income (expense)	(109)	32	(608)	233
Net gain on sales of real estate	0	0	0	0
Total other (expense) income	(10,228)	32	(10,727)	233
Loss on extinguishment of debt	(10,119)		(10,119)
Income in subsidiary	131,385	242,758	96,318	344,367
Income before loss from unconsolidated joint venture and income tax expense	91,406	209,457	21,629	278,799
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	0	(1)	0	(1)
Net income	91,406	209,456	21,629	278,798
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		209,456		278,798
Preferred stock dividends		0		0
Net income attributable to common stockholders	91,406	209,456	21,629	278,798
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	0
Total expenses	0	0	0	0
Other (expense) income:
Other income (expense)	0	0	0	0
Net gain on sales of real estate	0	0	0	0
Total other (expense) income	0	0	0	0
Loss on extinguishment of debt	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		0
Preferred stock dividends		0		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	30,097	36,355	59,398	71,569
Interest and other income	68,198	1,180	69,429	2,413
Resident fees and services	0	0	0	0
Total revenues	98,295	37,535	128,827	73,982
Expenses:
Depreciation and amortization	15,559	11,795	27,241	24,130
Interest	2,666	810	3,567	1,601
General and administrative	1	368	276	783
Provision for doubtful accounts, straight-line rental income and loan losses	0	(985)	0	(1,956)
Impairment of real estate	0	881	0	1,413
Total expenses	18,382	12,869	32,254	25,971
Other (expense) income:
Other income (expense)	108	(32)	601	378
Net gain on sales of real estate	190	41,520	(180)	41,520
Total other (expense) income	298	41,488	421	41,898
Loss on extinguishment of debt	0		0
Income in subsidiary	1,691	1,871	3,361	3,725
Income before loss from unconsolidated joint venture and income tax expense	81,902	68,025	100,355	93,634
Loss from unconsolidated joint venture	0	0	0	0
Income tax expense	(542)	(489)	(647)	(542)
Net income	81,360	67,536	99,708	93,092
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		67,536		93,092
Preferred stock dividends		0		0
Net income attributable to common stockholders	81,360	67,536	99,708	93,092
Combined Guarantor Subsidiaries | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	156		1,170
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	92,073	112,194	183,536	225,468
Interest and other income	2,206	3,333	4,271	6,428
Resident fees and services	36,071	17,530	53,132	35,023
Total revenues	130,350	133,057	240,939	266,919
Expenses:
Depreciation and amortization	33,905	34,811	67,160	70,260
Interest	1,222	2,628	2,459	5,202
General and administrative	321	880	669	2,489
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	1,234	3
Impairment of real estate	2,002	0	105,136	0
Total expenses	77,143	54,938	237,043	110,930
Other (expense) income:
Other income (expense)	0	0	177	232
Net gain on sales of real estate	2,565	101,383	1,415	100,911
Total other (expense) income	2,565	101,383	1,592	101,143
Loss on extinguishment of debt	0		0
Income in subsidiary	0	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	55,772	179,502	5,488	257,132
Loss from unconsolidated joint venture	(3,647)	(2,347)	(5,030)	(1,901)
Income tax expense	(403)	(60)	(469)	(219)
Net income	51,722	177,095	(11)	255,012
Net income attributable to noncontrolling interests	(6)	(2)	(18)	(12)
Net income attributable to Sabra Health Care REIT, Inc.		177,093		255,000
Preferred stock dividends		0		0
Net income attributable to common stockholders	51,716	177,093	(29)	255,000
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities | Triple-Net Portfolio
Expenses:
Operating expenses	6,084		10,359
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities | Senior Housing - Managed
Expenses:
Operating expenses	$ 33,609	$ 16,619	$ 50,026	$ 32,976