Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Fair Value of Derivatives Financial Instruments and Long-Term Senior Notes (Details)

v2.4.0.8
Fair Value Measurements - Schedule of Fair Value of Derivatives Financial Instruments and Long-Term Senior Notes (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Derivative assets $ 2,470 $ 141
Derivative liabilities   9,423
Fair Value, Inputs, Level 2
   
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Derivative assets 2,470 141
Derivative liabilities   9,423
8.50% Senior Notes 938,250 962,460
Revolving bank credit facility $ 347,000 $ 290,000