LOANS RECEIVABLE AND OTHER INVESTMENTS - Composition of Loans Receivable and Other Investments (Details) $ in Thousands	Jun. 30, 2019 USD ($) preferred_equity_investment Investment loan	Dec. 31, 2018 USD ($)
Loans Receivable:
Quantity \| loan	20
Principal balance	$ 72,728	$ 96,492
Book Value	$ 68,836	70,718
Weighted Average Contractual Interest Rate / Rate of Return	7.70%
Weighted Average Annualized Effective Interest Rate / Rate of Return	8.10%
Loan loss reserve	$ (1,960)	(1,258)
Loans receivable, net amount	$ 66,876	69,460
Other Investments:
Quantity \| preferred_equity_investment	9
Principal Balance	$ 43,915	43,851
Book Value	$ 44,327	44,262
Weighted Average Contractual Interest Rate / Rate of Return	12.00%
Weighted Average Annualized Effective Interest Rate / Rate of Return	12.00%
Total Quantity \| Investment	29
Total Principal Balance	$ 116,643
Total Book Value	$ 111,203	113,722
Total Weighted Average Contractual Interest Rate / Rate of Return	9.30%
Total Weighted Average Annualized Effective Interest Rate / Rate of Return	9.60%
Mortgage
Loans Receivable:
Quantity \| loan	1
Principal balance	$ 19,000
Book Value	$ 19,000	18,577
Weighted Average Contractual Interest Rate / Rate of Return	10.00%
Weighted Average Annualized Effective Interest Rate / Rate of Return	10.00%
Construction
Loans Receivable:
Quantity \| loan	2
Principal balance	$ 5,363
Book Value	$ 5,418	4,629
Weighted Average Contractual Interest Rate / Rate of Return	8.00%
Weighted Average Annualized Effective Interest Rate / Rate of Return	7.70%
Mezzanine
Loans Receivable:
Quantity \| loan	0
Principal balance	$ 0
Book Value	$ 0	2,188
Other
Loans Receivable:
Quantity \| loan	17
Principal balance	$ 48,365
Book Value	$ 44,418	$ 45,324
Weighted Average Contractual Interest Rate / Rate of Return	6.80%
Weighted Average Annualized Effective Interest Rate / Rate of Return	7.30%

Investments, Weighted Average Contractual Rate

No definition available.

Name:	sbra_InvestmentsWeightedAverageContractualRate
Namespace Prefix:	sbra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Investments, Weighted Average Effective Rate

+ References

No definition available.

+ Details

Name:	sbra_InvestmentsWeightedAverageEffectiveRate
Namespace Prefix:	sbra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans And Leases Receivable, Effective Interest Rate

+ References

No definition available.

+ Details

Name:	sbra_LoansAndLeasesReceivableEffectiveInterestRate
Namespace Prefix:	sbra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans and Leases Receivable, Fixed Interest Rate

+ References

No definition available.

+ Details

Name:	sbra_LoansAndLeasesReceivableFixedInterestRate
Namespace Prefix:	sbra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans and Leases Receivable, Number of Loans

+ References

No definition available.

+ Details

Name:	sbra_LoansAndLeasesReceivableNumberOfLoans
Namespace Prefix:	sbra_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and other investments held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

+ References

No definition available.

+ Details

Name:	sbra_LoansReceivableAndOtherInvestmentsNet
Namespace Prefix:	sbra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of Investments

+ References

No definition available.

+ Details

Name:	sbra_NumberofInvestments
Namespace Prefix:	sbra_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Preferred Equity Investment, Carrying Amount

+ References

No definition available.

+ Details

Name:	sbra_PreferredEquityInvestmentCarryingAmount
Namespace Prefix:	sbra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Preferred Equity Investment, Face Value

+ References

No definition available.

+ Details

Name:	sbra_PreferredEquityInvestmentFaceValue
Namespace Prefix:	sbra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Preferred Equity Investment, Weighted Average Contractual Rate

+ References

No definition available.

+ Details

Name:	sbra_PreferredEquityInvestmentWeightedAverageContractualRate
Namespace Prefix:	sbra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Preferred Equity Investment, Weighted Average Effective Rate

+ References

No definition available.

+ Details

Name:	sbra_PreferredEquityInvestmentWeightedAverageEffectiveRate
Namespace Prefix:	sbra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Preferred Equity Investments, Number of Investments

+ References

No definition available.

+ Details

Name:	sbra_PreferredEquityInvestmentsNumber
Namespace Prefix:	sbra_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Preferred Equity, Net [Abstract]

+ References

No definition available.

+ Details

Name:	sbra_PreferredEquityNetAbstract
Namespace Prefix:	sbra_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

For investments which are quantified by principal amount, the principle balance held at close of period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-12C.Column B)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14.Column B)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12.Column B)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010

+ Details

Name:	us-gaap_InvestmentOwnedBalancePrincipalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

+ Details

Name:	us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524

+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=sbra_MortgageLoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=sbra_ConstructionMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=sbra_MezzanineInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=sbra_OtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: