Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Schedule of Notes Payable

Our notes payable are summarized as follows:     

	June 30, 2014		December 31, 2013
4.50% Convertible Notes due 2024 (a)	—		$	5,402
7.50% Senior Convertible Notes due 2016	$	55,481	55,500
7.50% Senior Exchange Convertible Notes due 2016	44,500		44,500
8.50% Senior Notes due 2019	200,000		—

(a) These Notes were tendered and repaid on April 1, 2014.