RELATED PARTY TRANSACTIONS (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 31, 2017 |
||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Due to Affiliates | $ 206,717 | $ 206,717 | $ 907,377 | |||||||||||||
| Due from Related Parties, Current | 26,448 | 26,448 | 34,194 | |||||||||||||
| Asset Management Fees [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | [1] | 477,915 | $ 196,856 | 879,230 | $ 308,154 | |||||||||||
| Due from Related Parties | [1] | 0 | 0 | 0 | ||||||||||||
| Due to Affiliates | [1] | 164,685 | 164,685 | 567,661 | ||||||||||||
| Fees to affiliates [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | 477,915 | 196,858 | 879,230 | 308,154 | ||||||||||||
| Reimbursable organizational and offering expenses [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | [2] | 386,053 | 529,991 | 816,297 | 1,138,121 | |||||||||||
| Due from Related Parties | [2] | 0 | 0 | 0 | ||||||||||||
| Due to Affiliates | [2] | 3,217 | 3,217 | 15,945 | ||||||||||||
| Expense reimbursements from Sponsor [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | [3] | (293,939) | (672,904) | (653,453) | (1,360,930) | |||||||||||
| Due from Related Parties | [3] | 26,448 | 26,448 | 34,194 | ||||||||||||
| Due to Affiliates | [3] | 15,800 | 15,800 | 0 | ||||||||||||
| Waiver of Assets Management Fees [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | [1] | 0 | (49,214) | 0 | (77,039) | |||||||||||
| Due from Related Parties | [1] | 0 | 0 | 0 | ||||||||||||
| Due to Affiliates | [1] | 0 | 0 | 0 | ||||||||||||
| Capitalized Acquisition Fees [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | 496,358 | 882,971 | 952,358 | 1,483,571 | ||||||||||||
| Due from Related Parties | 0 | 0 | 0 | |||||||||||||
| Due to Affiliates | 22,358 | 22,358 | 0 | |||||||||||||
| Subordinated participation fees [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | 0 | 0 | 0 | 0 | ||||||||||||
| Due from Related Parties | 0 | 0 | 0 | |||||||||||||
| Due to Affiliates | 0 | 0 | 315,802 | |||||||||||||
| Property management fees [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | [4] | 19,212 | 622 | 32,151 | 622 | |||||||||||
| Due from Related Parties | [4] | 0 | 0 | 0 | ||||||||||||
| Due to Affiliates | [4] | 0 | 0 | 7,969 | ||||||||||||
| Capitalized Financing coordination fees [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | 0 | 0 | 209,550 | 87,450 | ||||||||||||
| Due from Related Parties | 0 | 0 | 0 | |||||||||||||
| Due to Affiliates | 0 | 0 | 0 | |||||||||||||
| Director and Officer Insurance Reimbursements [Member] | ||||||||||||||||
| Related Party Transaction [Line Items] | ||||||||||||||||
| Expenses incurred To Related Parties | [5] | 36,083 | $ 0 | 52,716 | $ 0 | |||||||||||
| Due from Related Parties | [5] | 0 | 0 | 0 | ||||||||||||
| Due to Affiliates | [5] | $ 657 | $ 657 | $ 0 | ||||||||||||
| ||||||||||||||||