SUMMARIZED CONSOLIDATING INFORMATION - Consolidating Statement of Income (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Rental and related revenues	$ 452,138	$ 536,605	$ 364,191
Interest and other income	81,540	16,667	17,660
Resident fees and services	128,058	70,137	26,430
Total revenues	661,736	623,409	408,281
Expenses:
Depreciation and amortization	181,549	191,379	113,882
Interest	126,610	147,106	88,440
Operating expenses		49,546	17,860
General and administrative	30,462	36,458	32,401
Merger and acquisition costs	424	636	30,255
Provision for doubtful accounts, straight-line rental income and loan losses	1,238	39,075	17,113
Impairment of real estate	121,819	1,413	1,326
Total expenses	570,574	465,613	301,277
Other income (expense):
Loss on extinguishment of debt	(16,340)	(2,917)	(553)
Other income	2,094	4,480	536
Net gain on sales of real estate	2,300	128,198	52,029
Total other (expense) income	(11,946)	129,761	52,012
Income in subsidiary	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	79,216	287,557	159,016
Loss from unconsolidated joint venture	(6,796)	(5,431)	0
Income tax expense	(3,402)	(3,011)	(651)
Net income	69,018	279,115	158,365
Net income attributable to noncontrolling interests	(22)	(33)	18
Net income attributable to Sabra Health Care REIT, Inc.	68,996	279,082	158,383
Preferred stock dividends	0	(9,768)	(10,242)
Net income attributable to common stockholders	$ 68,996	$ 269,314	$ 148,141
Net income attributable to common stockholders, per:
Basic common share (in dollars per share)	$ 0.37	$ 1.51	$ 1.40
Diluted common share (in dollars per share)	$ 0.37	$ 1.51	$ 1.40
Weighted-average number of common shares outstanding, basic (in shares)	187,172,210	178,305,738	105,621,242
Weighted-average number of common shares outstanding, diluted (in shares)	188,127,092	178,721,744	105,842,434
Elimination
Revenues:
Rental and related revenues	$ (33,000)	$ (17,425)	$ (7,513)
Interest and other income	(5,655)	(399)	(161)
Resident fees and services	0	0	0
Total revenues	(38,655)	(17,824)	(7,674)
Expenses:
Depreciation and amortization	0	0	0
Interest	(5,655)	(399)	(143)
Operating expenses		(17,425)	(7,531)
General and administrative	0	0	0
Merger and acquisition costs	0	0	0
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0
Impairment of real estate	0	0	0
Total expenses	(38,655)	(17,824)	(7,674)
Other income (expense):
Loss on extinguishment of debt	0	0	0
Other income	0	0	0
Net gain on sales of real estate	0	0	0
Total other (expense) income	0	0	0
Income in subsidiary	(333,970)	(773,612)	(509,045)
Income before loss from unconsolidated joint venture and income tax expense	(333,970)	(773,612)	(509,045)
Loss from unconsolidated joint venture	0	0
Income tax expense	0	0	0
Net income	(333,970)	(773,612)	(509,045)
Net income attributable to noncontrolling interests	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		(773,612)	(509,045)
Preferred stock dividends		0	0
Net income attributable to common stockholders	(333,970)	(773,612)	(509,045)
Parent Company | Reportable Legal Entities
Revenues:
Rental and related revenues	0	0	0
Interest and other income	255	110	2,673
Resident fees and services	0	0	0
Total revenues	255	110	2,673
Expenses:
Depreciation and amortization	50	887	867
Interest	0	0	0
Operating expenses		0	0
General and administrative	28,486	26,801	24,810
Merger and acquisition costs	423	642	30,208
Provision for doubtful accounts, straight-line rental income and loan losses	4	822	227
Impairment of real estate	0	0	0
Total expenses	28,963	29,152	56,112
Other income (expense):
Loss on extinguishment of debt	0	0	0
Other income	0	1,977	0
Net gain on sales of real estate	0	0	0
Total other (expense) income	0	1,977	0
Income in subsidiary	98,665	307,736	212,432
Income before loss from unconsolidated joint venture and income tax expense	69,957	280,671	158,993
Loss from unconsolidated joint venture	0	0
Income tax expense	(961)	(1,589)	(610)
Net income	68,996	279,082	158,383
Net income attributable to noncontrolling interests	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		279,082	158,383
Preferred stock dividends		(9,768)	(10,242)
Net income attributable to common stockholders	68,996	269,314	148,141
Operating Partnership | Reportable Legal Entities
Revenues:
Rental and related revenues	0	0	0
Interest and other income	5,655	399	143
Resident fees and services	0	0	0
Total revenues	5,655	399	143
Expenses:
Depreciation and amortization	0	0	0
Interest	118,656	134,096	77,767
Operating expenses		0	0
General and administrative	175	71	65
Merger and acquisition costs	0	0	0
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0
Impairment of real estate	0	0	0
Total expenses	118,831	134,167	77,832
Other income (expense):
Loss on extinguishment of debt	(16,296)	0	(422)
Other income	(321)	(55)	1,130
Net gain on sales of real estate	0	0	0
Total other (expense) income	(16,617)	(55)	708
Income in subsidiary	228,459	441,560	289,414
Income before loss from unconsolidated joint venture and income tax expense	98,666	307,737	212,433
Loss from unconsolidated joint venture	0	0
Income tax expense	(1)	(1)	(1)
Net income	98,665	307,736	212,432
Net income attributable to noncontrolling interests	0	0	0
Net income attributable to Sabra Health Care REIT, Inc.		307,736	212,432
Preferred stock dividends		0	0
Net income attributable to common stockholders	98,665	307,736	212,432
Sabra Health Care, L.L.C. | Reportable Legal Entities
Revenues:
Rental and related revenues	0	0	0
Interest and other income	0	0	0
Resident fees and services	0	0	0
Total revenues	0	0	0
Expenses:
Depreciation and amortization	0	0	0
Interest	0	0	0
Operating expenses		0	0
General and administrative	0	0	0
Merger and acquisition costs	0	0	0
Provision for doubtful accounts, straight-line rental income and loan losses	0	0	0
Impairment of real estate	0	0	0
Total expenses	0	0	0
Other income (expense):
Loss on extinguishment of debt	0	0	0
Other income	0	0	0
Net gain on sales of real estate	0	0	0
Total other (expense) income	0	0	0
Income in subsidiary	0	0	0
Income before loss from unconsolidated joint venture and income tax expense	0	0	0
Loss from unconsolidated joint venture	0	0
Income tax expense	0	0	0
Net income	0	0	0
Net income attributable to noncontrolling interests	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
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Revenues:
Rental and related revenues	485,138	554,030	371,704
Interest and other income	81,285	16,557	15,005
Resident fees and services	128,058	70,137	26,430
Total revenues	694,481	640,724	413,139
Expenses:
Depreciation and amortization	181,499	190,492	113,015
Interest	13,609	13,409	10,816
Operating expenses		66,971	25,391
General and administrative	1,801	9,586	7,526
Merger and acquisition costs	1	(6)	47
Provision for doubtful accounts, straight-line rental income and loan losses	1,234	38,253	16,886
Impairment of real estate	121,819	1,413	1,326
Total expenses	461,435	320,118	175,007
Other income (expense):
Loss on extinguishment of debt	(44)	(2,917)	(131)
Other income	2,415	2,558	(594)
Net gain on sales of real estate	2,300	128,198	52,029
Total other (expense) income	4,671	127,839	51,304
Income in subsidiary	6,846	24,316	7,199
Income before loss from unconsolidated joint venture and income tax expense	244,563	472,761	296,635
Loss from unconsolidated joint venture	(6,796)	(5,431)
Income tax expense	(2,440)	(1,421)	(40)
Net income	235,327	465,909	296,595
Net income attributable to noncontrolling interests	(22)	(33)	18
Net income attributable to Sabra Health Care REIT, Inc.		465,876	296,613
Preferred stock dividends		0	0
Net income attributable to common stockholders	235,305	465,876	296,613
Triple-Net Portfolio
Expenses:
Operating expenses	22,215	0	0
Triple-Net Portfolio | Elimination
Expenses:
Operating expenses	0
Triple-Net Portfolio | Parent Company | Reportable Legal Entities
Expenses:
Operating expenses	0
Triple-Net Portfolio | Operating Partnership | Reportable Legal Entities
Expenses:
Operating expenses	0
Triple-Net Portfolio | Sabra Health Care, L.L.C. | Reportable Legal Entities
Expenses:
Operating expenses	0
Triple-Net Portfolio | Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Expenses:
Operating expenses	22,215
Senior Housing - Managed
Expenses:
Operating expenses	86,257	$ 49,546	$ 17,860
Senior Housing - Managed | Elimination
Expenses:
Operating expenses	(33,000)
Senior Housing - Managed | Parent Company | Reportable Legal Entities
Expenses:
Operating expenses	0
Senior Housing - Managed | Operating Partnership | Reportable Legal Entities
Expenses:
Operating expenses	0
Senior Housing - Managed | Sabra Health Care, L.L.C. | Reportable Legal Entities
Expenses:
Operating expenses	0
Senior Housing - Managed | Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Expenses:
Operating expenses	$ 119,257