The number of states in which real estate owned by the entity is located as of the balance sheet date.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481027/954-310-50-2

+ Details

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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://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 825
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-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Details

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- Details

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- Details

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- Details

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- 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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Balance Type:
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- Details

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- Details

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Concentration (Details)	9 Months Ended
Concentration (Details)	Sep. 30, 2023 property state	Sep. 30, 2022
Continuing operations
Concentration
Number of wholly owned properties \| property	154
Number of states in which acquired properties located \| state	30
Annualized rental income, excluding properties classified as discontinued operations \| Tenant concentration \| U.S. Government, State Governments and Four Other Governments
Concentration
Concentration risk percentage	28.10%	27.80%
Annualized rental income, excluding properties classified as discontinued operations \| Tenant concentration \| U.S. Government
Concentration
Concentration risk percentage	20.00%	19.10%
Annualized rental income, excluding properties classified as discontinued operations \| Geographic concentration \| California
Concentration
Concentration risk percentage	12.20%
Annualized rental income, excluding properties classified as discontinued operations \| Geographic concentration \| Virginia
Concentration
Concentration risk percentage	11.30%
Annualized rental income, excluding properties classified as discontinued operations \| Geographic concentration \| Illinois
Concentration
Concentration risk percentage	10.60%
Annualized rental income, excluding properties classified as discontinued operations \| Geographic concentration \| Georgia
Concentration
Concentration risk percentage	9.40%
Annualized rental income, excluding properties classified as discontinued operations \| Geographic concentration \| District of Columbia
Concentration
Concentration risk percentage	9.20%