Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (Recurring, USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Level 2
   
Fair value measurements    
Derivative financial instruments - assets $ 117 $ 116
Derivative financial instruments - liabilities (12,039) (12,359)
Total (11,922) (12,243)
Total
   
Fair value measurements    
Derivative financial instruments - assets 117 116
Derivative financial instruments - liabilities (12,039) (12,359)
Total $ (11,922) $ (12,243)