Real Estate - Additional Information (Details) $ in Thousands, ft² in Millions	3 Months Ended
Mar. 31, 2020 USD ($) ft² property	Mar. 31, 2019 USD ($) ft² property	Dec. 31, 2019 ft²
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Depreciation \| $	$ 4,317	$ 4,313
Amortization expense of in-place lease value intangible \| $	2,665	2,717
Asset management fees paid to Advisor \| $	$ 440	$ 440
Texas
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of commercial properties	43	43
Area of real estate property (in sq ft) \| ft²	6.7	6.7	6.7
Number of real estate properties	3	3
Richardson, Arlington And Dallas, Texas
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of real estate properties	15	15
Houston, Texas
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of real estate properties	25	25
San Antonio, Texas
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of real estate properties	3	3

Represents the monetary amount of Asset management fees paid to Advisor, during the indicated time period.

No definition available.

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- Definition

Represents the pure numeric value of Commercial properties, as of the indicated date.

+ References

No definition available.

+ Details

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- Definition

The periodic expense to reduce the value of the rate deferral asset that is created when utilities under bill customers during periods of rate increases by deferring rate increases. These customers eventually pay higher rates to repay the utility for the rate deferral.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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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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- 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

No definition available.

+ Details

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