Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Long-Term Debt (Details)

v3.3.0.814
Long-Term Debt - Long-Term Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]    
8.50% Senior Notes $ 900,000 $ 900,000
Debt premiums, net of amortization 12,437 13,057
Revolving bank credit facility 514,000 447,000
Total long-term debt 1,426,437 1,360,057
Long-term debt, less current maturities $ 1,426,437 $ 1,360,057