INTEREST EXPENSE (Tables)

6 Months Ended

Jun. 30, 2014

Interest Expense [Abstract]

Schedule of Interest Expense

Interest expense comprised the following for the three and six months ended June 30, 2014 and 2013:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2014		2013		2014		2013
Interest on senior debt	$	27,769	$	28,193	$	49,307	$	57,088
Interest on capital leases and other financing arrangements	991		153		1,169		285
	28,760		28,346		50,476		57,373
Amortization of capitalized debt issuance costs	5,817		1,146		10,061		2,290
Amortization of debt issuance discount and premium, net	4,521		1,687		6,472		3,523
	10,338		2,833		16,533		5,813
Total interest expense	$	39,098	$	31,179	$	67,009	$	63,186