Organization, Basis of Presentation (Details)	6 Months Ended
Jun. 30, 2026 store property subsidiary
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Percentage of taxable income distribution of shareholders	90.00%
Number of subsidiaries \| subsidiary	2
Number of shopping centers \| store	34
Saul Holdings Limited Partnership
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Percentage of ownership in operating partnership (as a percent)	68.00%
Giant Food
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of shopping centers \| store	11
Revenue
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Concentration risk, percentage	2.50%
Revenue \| Customer Concentration Risk \| Giant Food
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Percentage of total revenue (as a percent)	4.30%
Shopping Centers
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of real estate properties	50
Mixed-Use Properties
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of real estate properties	9
Non-operating Development Properties
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of real estate properties	3

Minimum Percentage of Taxable Income Distribution to Shareholders

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- Definition

Number of Subsidiaries

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Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]

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Percentage of Total Revenue

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No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
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-Name Accounting Standards Codification
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-Paragraph 20
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-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
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-Paragraph 18
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Section 50
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-Subparagraph (b)
-Publisher FASB
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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
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-Subparagraph (b)
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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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Represents the number of stores.

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