SUMMARIZED CONSOLIDATING INFORMATION - Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets
Real estate investments, net of accumulated depreciation	$ 5,994,432	$ 2,009,939
Loans receivable and other investments, net	114,390	96,036
Cash and cash equivalents	518,632	25,663	$ 7,434	$ 61,793
Restricted cash	68,817	9,002
Lease intangible assets, net	167,119	26,250
Accounts receivable, prepaid expenses and other assets, net	168,887	99,029
Intercompany	0	0
Investment in subsidiaries	0	0
Total assets	7,032,277	2,265,919
Liabilities
Secured debt, net	256,430	160,752
Revolving credit facility	641,000	26,000
Term loans, net	1,190,774	335,673
Senior unsecured notes, net	1,306,286	688,246
Accounts payable and accrued liabilities	102,523	39,639
Lease intangible liabilities, net	98,015	0
Intercompany	0	0
Total liabilities	3,595,028	1,250,310
Equity
Total Sabra Health Care REIT, Inc. stockholders’ equity	3,432,807	1,015,574
Noncontrolling interests	4,442	35
Total equity	3,437,249	1,015,609	1,053,876	941,823
Total liabilities and equity	7,032,277	2,265,919
Elimination
Assets
Real estate investments, net of accumulated depreciation	0	0
Loans receivable and other investments, net	0	0
Cash and cash equivalents	0	0	0	0
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	(5,189)	(1,909)
Intercompany	(4,765,381)	(1,080,899)
Investment in subsidiaries	(2,103,428)	(1,559,738)
Total assets	(6,873,998)	(2,642,546)
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	(5,189)	(1,909)
Lease intangible liabilities, net	0
Intercompany	(4,765,381)	(1,080,899)
Total liabilities	(4,770,570)	(1,082,808)
Equity
Total Sabra Health Care REIT, Inc. stockholders’ equity	(2,103,428)	(1,559,738)
Noncontrolling interests	0	0
Total equity	(2,103,428)	(1,559,738)
Total liabilities and equity	(6,873,998)	(2,642,546)
Parent Company | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	324	150
Loans receivable and other investments, net	(97)	(410)
Cash and cash equivalents	511,670	18,168	2,548	58,799
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	3,499	2,859
Intercompany	2,043,402	368,281
Investment in subsidiaries	890,462	640,238
Total assets	3,449,260	1,029,286
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	16,453	13,712
Lease intangible liabilities, net	0
Intercompany	0	0
Total liabilities	16,453	13,712
Equity
Total Sabra Health Care REIT, Inc. stockholders’ equity	3,432,807	1,015,574
Noncontrolling interests	0	0
Total equity	3,432,807	1,015,574
Total liabilities and equity	3,449,260	1,029,286
Operating Partnership | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	0	0
Loans receivable and other investments, net	0	0
Cash and cash equivalents	0	0	0	0
Restricted cash	0	0
Lease intangible assets, net	0	0
Accounts receivable, prepaid expenses and other assets, net	36,073	18,023
Intercompany	2,721,979	687,493
Investment in subsidiaries	1,198,305	907,136
Total assets	3,956,357	1,612,652
Liabilities
Secured debt, net	0	0
Revolving credit facility	641,000	26,000
Term loans, net	1,092,397	243,626
Senior unsecured notes, net	1,306,286	688,246
Accounts payable and accrued liabilities	26,212	14,542
Lease intangible liabilities, net	0
Intercompany	0	0
Total liabilities	3,065,895	972,414
Equity
Total Sabra Health Care REIT, Inc. stockholders’ equity	890,462	640,238
Noncontrolling interests	0	0
Total equity	890,462	640,238
Total liabilities and equity	3,956,357	1,612,652
Sabra Capital Corporation | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	0	0
Loans receivable and other investments, net	0	0
Cash and cash equivalents	0	0	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
Intercompany	0	0
Total liabilities	0	0
Equity
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 of 2021 Notes and 2023 Notes | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	1,756,933	1,860,850
Loans receivable and other investments, net	55,297	96,446
Cash and cash equivalents	449	2,675	456	0
Restricted cash	36,910	57
Lease intangible assets, net	17,577	25,489
Accounts receivable, prepaid expenses and other assets, net	80,739	70,812
Intercompany	0	0
Investment in subsidiaries	14,661	12,364
Total assets	1,962,566	2,068,693
Liabilities
Secured debt, net	0	0
Revolving credit facility	0	0
Term loans, net	98,377	92,047
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	3,560	11,606
Lease intangible liabilities, net	0
Intercompany	785,120	1,080,899
Total liabilities	887,057	1,184,552
Equity
Total Sabra Health Care REIT, Inc. stockholders’ equity	1,075,509	884,141
Noncontrolling interests	0	0
Total equity	1,075,509	884,141
Total liabilities and equity	1,962,566	2,068,693
Combined Non-Guarantor Subsidiaries of 2021 Notes and 2023 Notes | Reportable Legal Entities
Assets
Real estate investments, net of accumulated depreciation	4,237,175	148,939
Loans receivable and other investments, net	59,190	0
Cash and cash equivalents	6,513	4,820	$ 4,430	$ 2,994
Restricted cash	31,907	8,945
Lease intangible assets, net	149,542	761
Accounts receivable, prepaid expenses and other assets, net	53,765	9,244
Intercompany	0	25,125
Investment in subsidiaries	0	0
Total assets	4,538,092	197,834
Liabilities
Secured debt, net	256,430	160,752
Revolving credit facility	0	0
Term loans, net	0	0
Senior unsecured notes, net	0	0
Accounts payable and accrued liabilities	61,487	1,688
Lease intangible liabilities, net	98,015
Intercompany	3,980,261	0
Total liabilities	4,396,193	162,440
Equity
Total Sabra Health Care REIT, Inc. stockholders’ equity	137,457	35,359
Noncontrolling interests	4,442	35
Total equity	141,899	35,394
Total liabilities and equity	$ 4,538,092	$ 197,834