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Business Segments (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Business segment information by geographical areas    
Long-lived assets $ 2,261,589 $ 2,310,898
Revenues 87,521 66,358
(Loss) income from continuing operations before income taxes and discontinued operations (98,512) (118,764)
Domestic
   
Business segment information by geographical areas    
Long-lived assets 2,148,396 2,199,803
Revenues 68,701 52,063
(Loss) income from continuing operations before income taxes and discontinued operations (98,990) (117,237)
Foreign
   
Business segment information by geographical areas    
Long-lived assets 113,193 111,095
Revenues 18,820 14,295
(Loss) income from continuing operations before income taxes and discontinued operations $ 478 $ (1,527)