Basis of Presentation and Significant Accounting Policies (Details Narrative)	6 Months Ended
Dec. 31, 2020 Room
Justice Operating Company, LLC and Justice Mezzanine Company, LLC [Member]
Number of hotel property room owned and operating	544
Franchise Holding LLC [Member] \| Franchise License Agreement [Member]
Ownership maturity date	Jan. 31, 2030
Interstate Management Company LLC [Member] \| Hotel Management Agreement [Member]
Management expiration date	Feb. 03, 2017
Management agreement, term	10 years
Management agreement, renewal term	5 years
Management fee payable rate	1.70%
Parent Company [Member] \| Portsmouth Square, Inc [Member]
Ownership percentage	68.80%
InterGroup Corporation [Member]
Ownership percentage	83.70%
InterGroup Corporation [Member] \| Parent Company [Member]
Ownership percentage	13.70%
InterGroup Corporation [Member] \| Chairman and President [Member]
Ownership percentage	3.70%
Portsmouth [Member]
Subsidiary of limited liability company or limited partnership, ownership interest	96.60%

Represents the term to extend the management agreement for an additional period.

No definition available.

Name:	SFEF_ManagementAgreementRenewalTerm
Namespace Prefix:	SFEF_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the term of management agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	SFEF_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Management expiration date.

+ References

No definition available.

+ Details

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Namespace Prefix:	SFEF_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of hotel property room owned and operating.

+ References

No definition available.

+ Details

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Namespace Prefix:	SFEF_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage charged for managing real estate properties.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Data Type:	na
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- Details

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- Details

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Namespace Prefix:
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