Real estate, held-for-sale, estimated cost to sell.

No definition available.

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Period Type:	instant

- Definition

Real estate, held-for-sale, fair value.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sales price of real estate held for sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	brst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Transaction costs on disposition of real estate.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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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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- Definition

Amount of difference between the carrying amount and the sales price of real estate properties sold as part of discontinued operations.

+ References

No definition available.

+ Details

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ 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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2611-110228

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of investment in land and building held for sale. Excludes real estate considered inventory.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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Note 3 - Real Estate (Details Textual) - USD ($) $ in Thousands				3 Months Ended		6 Months Ended
	Jul. 20, 2023	Jun. 30, 2023	May 23, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Real estate held for sale, net		$ 22,418		$ 22,418		$ 22,418		$ 0
Impairment of real estate assets held for sale				1,957	$ 0	1,957	$ 0
Dekalb Plaza [Member]
Business Acquisition [Line Items]
Real estate held for sale, net			$ 24,400
Real estate held for sale, fair value			23,100
Real estate held for sale, estimated cost to sell			700
Impairment of real estate assets held for sale			$ 2,000	$ 2,000		2,000
Repayments of secured debt						17,400
Dekalb Plaza [Member] \| Subsequent Event [Member]
Business Acquisition [Line Items]
Sales price	$ 23,100
Spotswood Valley Square Shopping Center [Member]
Business Acquisition [Line Items]
Sales price		23,000
Gain on sales of real estate		11,600
Repayments of secured debt						11,800
Transaction costs		$ 600
Lamont Street Preferred Interest [Member]
Business Acquisition [Line Items]
Repayments of secured debt						$ 2,300