SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Assets
Real estate investments, net of accumulated depreciation	$ 5,975,590	$ 5,994,432
Loans receivable and other investments, net	110,351	114,390
Investment in unconsolidated joint venture	344,341	0
Cash and cash equivalents	36,348	518,632
Restricted cash	103,168	68,817
Lease intangible assets, net	142,919	167,119
Accounts receivable, prepaid expenses and other assets, net	197,622	168,887
Intercompany	0	0
Investment in subsidiaries	0	0
Total assets	6,910,339	7,032,277
Liabilities
Secured debt, net	252,827	256,430
Revolving credit facility	619,000	641,000
Term loans, net	1,189,647	1,190,774
Senior unsecured notes, net	1,307,120	1,306,286
Accounts payable and accrued liabilities	86,885	102,523
Lease intangible liabilities, net	87,602	98,015
Intercompany	0	0
Total liabilities	3,543,081	3,595,028
Total Sabra Health Care REIT, Inc. stockholders’ equity	3,362,901	3,432,807
Noncontrolling interests	4,357	4,442
Total equity	3,367,258	3,437,249	$ 3,371,829	$ 1,015,609
Total liabilities and equity	6,910,339	7,032,277
Elimination
Assets
Real estate investments, net of accumulated depreciation	0	0
Loans receivable and other investments, net	0	0
Investment in unconsolidated joint venture	0
Cash and cash equivalents	0	0
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	(9,691)	(5,189)
Intercompany	(4,735,715)	(4,765,381)
Investment in subsidiaries	(2,893,465)	(2,103,428)
Total assets	(7,638,871)	(6,873,998)
Liabilities
Secured debt, net	0	0
Revolving credit facility	0	0
Term loans, net	0	0
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	(9,691)	(5,189)
Lease intangible liabilities, net	0	0
Intercompany	(4,735,715)	(4,765,381)
Total liabilities	(4,745,406)	(4,770,570)
Total Sabra Health Care REIT, Inc. stockholders’ equity	(2,893,465)	(2,103,428)
Noncontrolling interests	0	0
Total equity	(2,893,465)	(2,103,428)
Total liabilities and equity	(7,638,871)	(6,873,998)
Parent Company | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	329	324
Loans receivable and other investments, net	(688)	(97)
Investment in unconsolidated joint venture	0
Cash and cash equivalents	29,603	511,670
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	607	3,499
Intercompany	2,089,878	2,043,402
Investment in subsidiaries	1,266,833	890,462
Total assets	3,386,562	3,449,260
Liabilities
Secured debt, net	0	0
Revolving credit facility	0	0
Term loans, net	0	0
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	23,661	16,453
Lease intangible liabilities, net	0	0
Intercompany	0	0
Total liabilities	23,661	16,453
Total Sabra Health Care REIT, Inc. stockholders’ equity	3,362,901	3,432,807
Noncontrolling interests	0	0
Total equity	3,362,901	3,432,807
Total liabilities and equity	3,386,562	3,449,260
Operating Partnership | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	0	0
Loans receivable and other investments, net	0	0
Investment in unconsolidated joint venture	0
Cash and cash equivalents	0	0
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	46,239	36,073
Intercompany	2,645,837	2,721,979
Investment in subsidiaries	1,611,594	1,198,305
Total assets	4,303,670	3,956,357
Liabilities
Secured debt, net	0	0
Revolving credit facility	619,000	641,000
Term loans, net	1,093,772	1,092,397
Senior unsecured notes, net	1,307,120	1,306,286
Accounts payable and accrued liabilities	16,945	26,212
Lease intangible liabilities, net	0	0
Intercompany	0	0
Total liabilities	3,036,837	3,065,895
Total Sabra Health Care REIT, Inc. stockholders’ equity	1,266,833	890,462
Noncontrolling interests	0	0
Total equity	1,266,833	890,462
Total liabilities and equity	4,303,670	3,956,357
Sabra Capital Corporation | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	0	0
Loans receivable and other investments, net	0	0
Investment in unconsolidated joint venture	0
Cash and cash equivalents	0	0
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	0	0
Intercompany	0	0
Investment in subsidiaries	0	0
Total assets	0	0
Liabilities
Secured debt, net	0	0
Revolving credit facility	0	0
Term loans, net	0	0
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	0	0
Lease intangible liabilities, net	0	0
Intercompany	0	0
Total liabilities	0	0
Total Sabra Health Care REIT, Inc. stockholders’ equity	0	0
Noncontrolling interests	0	0
Total equity	0	0
Total liabilities and equity	0	0
Combined Guarantor Subsidiaries | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	1,683,780	1,756,933
Loans receivable and other investments, net	52,165	55,297
Investment in unconsolidated joint venture	0
Cash and cash equivalents	1,443	449
Restricted cash	92,027	36,910
Lease intangible assets, net	15,965	17,577
Accounts receivable, prepaid expenses and other assets, net	81,070	80,739
Intercompany	0	0
Investment in subsidiaries	15,038	14,661
Total assets	1,941,488	1,962,566
Liabilities
Secured debt, net	0	0
Revolving credit facility	0	0
Term loans, net	95,875	98,377
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	3,758	3,560
Lease intangible liabilities, net	0	0
Intercompany	542,824	785,120
Total liabilities	642,457	887,057
Total Sabra Health Care REIT, Inc. stockholders’ equity	1,299,031	1,075,509
Noncontrolling interests	0	0
Total equity	1,299,031	1,075,509
Total liabilities and equity	1,941,488	1,962,566
Combined Non-Guarantor Subsidiaries | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	4,291,481	4,237,175
Loans receivable and other investments, net	58,874	59,190
Investment in unconsolidated joint venture	344,341
Cash and cash equivalents	5,302	6,513
Restricted cash	11,141	31,907
Lease intangible assets, net	126,954	149,542
Accounts receivable, prepaid expenses and other assets, net	79,397	53,765
Intercompany	0	0
Investment in subsidiaries	0	0
Total assets	4,917,490	4,538,092
Liabilities
Secured debt, net	252,827	256,430
Revolving credit facility	0	0
Term loans, net	0	0
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	52,212	61,487
Lease intangible liabilities, net	87,602	98,015
Intercompany	4,192,891	3,980,261
Total liabilities	4,585,532	4,396,193
Total Sabra Health Care REIT, Inc. stockholders’ equity	327,601	137,457
Noncontrolling interests	4,357	4,442
Total equity	331,958	141,899
Total liabilities and equity	$ 4,917,490	$ 4,538,092