REAL ESTATE INVESTMENTS, NET - Rental Payments for Operating Leases (Q2) (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Real Estate [Abstract]
July through December 2019	$ 8,838,687
2020	17,834,035	$ 17,588,378
2021	16,752,518	17,834,035
2022	15,520,338	16,752,518
2023	13,317,933	15,520,338
2024	12,958,858	13,317,933
Thereafter	46,224,832	59,183,690
Total	$ 131,447,201	$ 140,196,892

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

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- Definition

Amount of required minimum rental payments receivable in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

+ References

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- References

No definition available.

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