This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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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
Balance Type:	na
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- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

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Data Type:	xbrli:integerItemType
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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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Balance Type:	na
Period Type:	duration

- Details

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Balance Type:
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- Details

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Namespace Prefix:
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REAL ESTATE INVESTMENTS (FY) (Details)	12 Months Ended
REAL ESTATE INVESTMENTS (FY) (Details)	Dec. 31, 2018 USD ($) properties States	Dec. 31, 2017 USD ($)	Jun. 30, 2019 States Property
Real Estate [Line Items]
Acquisition costs	$ 2,702,043
Number of real estate properties	24		24
Number of states in which entity operates \| States	13		13
Revenue of acquiree	$ 3,773,997	$ 4,413,353
Advisor
Real Estate [Line Items]
Acquisition costs	$ 50,296	$ 20,555
Retail
Real Estate [Line Items]
Number of real estate properties	10		9
Office
Real Estate [Line Items]
Number of real estate properties	9		10
Industrial Property
Real Estate [Line Items]
Number of real estate properties	5		5
Land
Real Estate [Line Items]
Number of real estate properties	1		1