Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Debt

The Company’s debt consists of the following (in thousands):

	December 31, 2015			December 31, 2014
Revolving credit agreement	$	—		$	120,000
Senior unsecured notes		550,000			550,000
Capital leases		2,215			2,069
Total debt		552,215			672,069
Premium on senior unsecured notes		4,660			5,426
Less: current portion		(951	)		(650	)
Total long-term debt	$	555,924		$	676,845

Schedule of Principal Maturities of Long-term Debt

Principal maturities of long-term debt outstanding, excluding the premium on the Notes, at December 31, 2015 are as follows (in thousands):

2016	$	951
2017		1,000
2018		264
2019		—
2020		—
Thereafter		550,000
Total	$	552,215

Schedule of Interest Expense

The following amounts have been incurred and charged to interest expense for the year ended December 31, 2015, 2014, and 2013 (in thousands):

	Year ended December 31,
	2015			2014			2013
Cash payments for interest	$	43,993		$	27,252		$	13,555
Change in interest accrual		(348	)		13,390			—
Payment-in-kind interest		—			234			2,597
Amortization of deferred loan origination costs		2,170			1,941			405
Write-off of deferred loan origination costs		532			386			820
Amortization of bond premium		(764	)		(574	)		—
Other interest (expense) income		(2	)		(316	)		(235	)
Interest costs incurred		45,581			42,313			17,142
Less: capitalized interest		—			(2,689	)		(3,409	)
Total interest expense, net	$	45,581		$	39,624		$	13,733