INTEREST EXPENSE

3 Months Ended

Mar. 31, 2016

Interest Expense [Abstract]

INTEREST EXPENSE

14.    INTEREST EXPENSE

Interest expense comprised the following for the three months ended March 31, 2016 and 2015:

	For the Three Months Ended March 31,
	2016		2015
Interest on Senior Debt and other financing arrangements	$	32,652	$	27,618
Amortization of capitalized debt issuance costs	3,899		3,837
Amortization of debt issuance discount and premium, net	12,603		8,663
Total interest expense	$	49,154	$	40,118

We paid cash interest of US$ 2.6 million and US$ 1.3 millionduring the three months ended March 31, 2016 and 2015, respectively. In addition, we paid US$ 10.0 million of accrued Guarantee Fees during the three months ended March 31, 2016, for which we had previously made an election to pay in kind.