INTEREST RATE SWAP DERIVATIVES (Details) |
6 Months Ended | 12 Months Ended |
|---|---|---|
|
Jun. 30, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
|
| Derivatives, Fair Value [Line Items] | ||
| Derivative Liability, Number of Instruments Held | 2 | 0 |
| Interest Rate Swap [Member] | ||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Liability, Number of Instruments Held | 4 | 2 |
| Derivative Liability, Notional Amount | $ 27,420,000 | $ 10,620,000 |
| Derivative Variable Interest Rate Description | One-month LIBOR + applicable spread/Fixed at 4.05%-5.16% | One-month LIBOR + applicable spread/Fixed at 4.05%-4.34% |
| Derivative, Average Fixed Interest Rate | 4.74% | 4.21% |
| Derivative, Remaining Maturity | 5 years 7 months 6 days | 7 years 2 months 12 days |