DEBT FINANCING - Debt Summary (Details) - USD ($)
$ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Debt Instrument [Line Items] |
|
|
| Debt financing |
$ 570,612
|
$ 597,691
|
| Line of Credit [Member] | Revolving line of credit [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Effective interest rate |
|
2.66%
|
| Line of Credit [Member] | Credit Facility [Member] | Revolving line of credit [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Effective interest rate |
2.03%
|
2.03%
|
| Debt financing |
$ 187,975
|
$ 166,217
|
| Line of Credit [Member] | Credit Facility [Member] | Term Loan [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Effective interest rate |
2.75%
|
2.75%
|
| Debt financing |
$ 200,000
|
$ 144,558
|
| Loans Payable [Member] | Unsecured Term Loan [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Effective interest rate |
0.00%
|
0.00%
|
| Debt financing |
$ 0
|
$ 50,000
|
| Mortgages [Member] | Fixed Rate Mortgages [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Effective interest rate |
3.93%
|
3.93%
|
| Debt financing |
$ 182,637
|
$ 153,416
|
| Mortgages [Member] | Variable Rate Mortgages [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Effective interest rate |
0.00%
|
0.00%
|
| Debt financing |
$ 0
|
$ 83,500
|