DEFERRED CHARGES AND OTHER ASSETS - Future Amortization Exp (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Amortization Expense For Deferred Charges Other Assets And Definite Lived Assets [Line Items]
2016	$ 3,711
2017	2,391
2018	1,585
2019	1,043
2020	70
Thereafter	301
Total amortization expense for deferred charges and other assets	9,101
Other Deferred Assets [Member]
Amortization Expense For Deferred Charges Other Assets And Definite Lived Assets [Line Items]
2016	3,626
2017	2,313
2018	1,511
2019	971
2020	0
Thereafter	0
Total amortization expense for deferred charges and other assets	8,421
Finite Lived Assets [Member]
Amortization Expense For Deferred Charges Other Assets And Definite Lived Assets [Line Items]
2016	85
2017	78
2018	74
2019	72
2020	70
Thereafter	301
Total amortization expense for deferred charges and other assets	$ 680