FAIR VALUE MEASUREMENTS (Tables)
 12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]  
Schedule of interest rate swap derivatives fair value
Information regarding our interest rate swaps measured at fair value, which are classified within Level 2 of the GAAP fair value hierarchy, is presented below (dollars in thousands):
 
Interest Rate Swaps Designated as Cash Flow Hedges
 
Non-hedge accounting Interest Rate Swaps
 
Total
Fair value at December 31, 2013
$
—

 
$
70

 
$
70

Unrealized losses included in interest expense
—

 
(277
)
 
(277
)
Losses on interest rate swaps reclassified into interest expense from accumulated other comprehensive loss
1,077

 
—

 
1,077

Unrealized losses included in accumulated other comprehensive loss
(1,942
)
 
—

 
(1,942
)
Fair value at December 31, 2014
$
(865
)
 
$
(207
)
 
$
(1,072
)
Unrealized losses included in interest expense
—

 
(63
)
 
(63
)
Designation of interest rate swap as a cash flow hedge
(270
)
 
270

 
—

Cash flow hedge ineffectiveness
15

 
—

 
15

Losses on interest rate swaps reclassified into interest expense from accumulated other comprehensive loss
1,699

 
—

 
1,699

Unrealized losses included in accumulated other comprehensive loss
(1,551
)
 
—

 
(1,551
)
Fair value at December 31, 2015
$
(972
)
 
$
—

 
$
(972
)