Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Carrying Amount of Components of Long-term Debt

The following table summarizes our long-term debt as of the dates presented giving effect to the adoption of ASU 2015–03:

	As of
	March 31, 2015				December 31, 2014
	Principal		Unamortized Issuance Costs		Principal		Unamortized Issuance Costs
Revolving credit facility	$	162,000	$	1,476	$	35,000	$	1,623
Senior notes due 2019	300,000		3,928		300,000		4,131
Senior notes due 2020	775,000		19,686		775,000		20,440
Totals	1,237,000		$	25,090	1,110,000		$	26,194
Long-term debt, net of unamortized issuance costs	$	1,211,910			$	1,083,806