SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Income (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Rental income	$ 144,255	$ 57,224
Interest and other income	4,338	1,945
Resident fees and services	17,493	3,481
Total revenues	166,086	62,650
Expenses:
Depreciation and amortization	48,005	19,137
Interest	35,818	15,788
Operating expenses	12,124	2,420
General and administrative	7,867	6,090
Merger and acquisition costs	330	563
Provision for (recovery of) doubtful accounts and loan losses	1,213	1,770
Impairment of real estate	532	0
Total expenses	105,889	45,768
Other income (expense):
Other income (expense)	2,820	2,129
Net loss on sales of real estate	(472)	0
Total other income	2,348	2,129
Income in subsidiary	0	0
Income before income from unconsolidated joint venture and income tax expense	62,545	19,011
Income from unconsolidated joint venture	446	0
Income tax expense	(510)	(220)
Net income	62,481	18,791
Net income attributable to noncontrolling interests	(10)	32
Net income attributable to Sabra Health Care REIT, Inc.	62,471	18,823
Preferred stock dividends	(2,561)	(2,561)
Net income attributable to common stockholders	$ 59,910	$ 16,262
Net income attributable to common stockholders, per:
Basic common share (in dollars per share)	$ 0.34	$ 0.25
Diluted common share (in dollars per share)	$ 0.34	$ 0.25
Weighted-average number of common shares outstanding, basic (in shares)	178,294,605	65,354,649
Weighted-average number of common shares outstanding, diluted (in shares)	178,516,388	65,920,486
Elimination
Revenues:
Rental income	$ (4,233)	$ (784)
Interest and other income	(112)	0
Resident fees and services	0	0
Total revenues	(4,345)	(784)
Expenses:
Depreciation and amortization	0	0
Interest	(112)	0
Operating expenses	(4,233)	(784)
General and administrative	0	0
Merger and acquisition costs	0	0
Provision for (recovery of) doubtful accounts and loan losses	0	0
Impairment of real estate	0
Total expenses	(4,345)	(784)
Other income (expense):
Other income (expense)	0	0
Net loss on sales of real estate	0
Total other income	0	0
Income in subsidiary	(172,807)	(62,040)
Income before income from unconsolidated joint venture and income tax expense	(172,807)	(62,040)
Income from unconsolidated joint venture	0
Income tax expense	0	0
Net income	(172,807)	(62,040)
Net income attributable to noncontrolling interests	0	0
Net income attributable to Sabra Health Care REIT, Inc.	(172,807)	(62,040)
Preferred stock dividends	0	0
Net income attributable to common stockholders	(172,807)	(62,040)
Parent Company | Reportable Legal Entities
Revenues:
Rental income	0	0
Interest and other income	10	7
Resident fees and services	0	0
Total revenues	10	7
Expenses:
Depreciation and amortization	222	216
Interest	0	0
Operating expenses	0	0
General and administrative	5,822	5,259
Merger and acquisition costs	336	533
Provision for (recovery of) doubtful accounts and loan losses	2,181	(145)
Impairment of real estate	0
Total expenses	8,561	5,863
Other income (expense):
Other income (expense)	1,977	1,367
Net loss on sales of real estate	0
Total other income	1,977	1,367
Income in subsidiary	69,343	23,436
Income before income from unconsolidated joint venture and income tax expense	62,769	18,947
Income from unconsolidated joint venture	0
Income tax expense	(298)	(124)
Net income	62,471	18,823
Net income attributable to noncontrolling interests	0	0
Net income attributable to Sabra Health Care REIT, Inc.	62,471	18,823
Preferred stock dividends	(2,561)	(2,561)
Net income attributable to common stockholders	59,910	16,262
Operating Partnership | Reportable Legal Entities
Revenues:
Rental income	0	0
Interest and other income	112	0
Resident fees and services	0	0
Total revenues	112	0
Expenses:
Depreciation and amortization	0	0
Interest	32,566	13,409
Operating expenses	0	0
General and administrative	14	14
Merger and acquisition costs	0	0
Provision for (recovery of) doubtful accounts and loan losses	0	0
Impairment of real estate	0
Total expenses	32,580	13,423
Other income (expense):
Other income (expense)	201	35
Net loss on sales of real estate	0
Total other income	201	35
Income in subsidiary	101,610	36,825
Income before income from unconsolidated joint venture and income tax expense	69,343	23,437
Income from unconsolidated joint venture	0
Income tax expense	0	(1)
Net income	69,343	23,436
Net income attributable to noncontrolling interests	0	0
Net income attributable to Sabra Health Care REIT, Inc.	69,343	23,436
Preferred stock dividends	0	0
Net income attributable to common stockholders	69,343	23,436
Sabra Capital Corporation | Reportable Legal Entities
Revenues:
Rental income	0	0
Interest and other income	0	0
Resident fees and services	0	0
Total revenues	0	0
Expenses:
Depreciation and amortization	0	0
Interest	0	0
Operating expenses	0	0
General and administrative	0	0
Merger and acquisition costs	0	0
Provision for (recovery of) doubtful accounts and loan losses	0	0
Impairment of real estate	0
Total expenses	0	0
Other income (expense):
Other income (expense)	0	0
Net loss on sales of real estate	0
Total other income	0	0
Income in subsidiary	0	0
Income before income from unconsolidated joint venture and income tax expense	0	0
Income from unconsolidated joint venture	0
Income tax expense	0	0
Net income	0	0
Net income attributable to noncontrolling interests	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
Combined Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental income	45,464	53,039
Interest and other income	1,267	1,938
Resident fees and services	0	0
Total revenues	46,731	54,977
Expenses:
Depreciation and amortization	14,930	16,956
Interest	790	728
Operating expenses	0	0
General and administrative	431	767
Merger and acquisition costs	0	30
Provision for (recovery of) doubtful accounts and loan losses	(971)	1,915
Impairment of real estate	532
Total expenses	15,712	20,396
Other income (expense):
Other income (expense)	410	727
Net loss on sales of real estate	(56)
Total other income	354	727
Income in subsidiary	1,854	1,779
Income before income from unconsolidated joint venture and income tax expense	33,227	37,087
Income from unconsolidated joint venture	0
Income tax expense	(53)	0
Net income	33,174	37,087
Net income attributable to noncontrolling interests	0	0
Net income attributable to Sabra Health Care REIT, Inc.	33,174	37,087
Preferred stock dividends	0	0
Net income attributable to common stockholders	33,174	37,087
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental income	103,024	4,969
Interest and other income	3,061	0
Resident fees and services	17,493	3,481
Total revenues	123,578	8,450
Expenses:
Depreciation and amortization	32,853	1,965
Interest	2,574	1,651
Operating expenses	16,357	3,204
General and administrative	1,600	50
Merger and acquisition costs	(6)	0
Provision for (recovery of) doubtful accounts and loan losses	3	0
Impairment of real estate	0
Total expenses	53,381	6,870
Other income (expense):
Other income (expense)	232	0
Net loss on sales of real estate	(416)
Total other income	(184)	0
Income in subsidiary	0	0
Income before income from unconsolidated joint venture and income tax expense	70,013	1,580
Income from unconsolidated joint venture	446
Income tax expense	(159)	(95)
Net income	70,300	1,485
Net income attributable to noncontrolling interests	(10)	32
Net income attributable to Sabra Health Care REIT, Inc.	70,290	1,517
Preferred stock dividends	0	0
Net income attributable to common stockholders	$ 70,290	$ 1,517