Quarterly report pursuant to sections 13 or 15(d)

Income Taxes (Details)

v2.3.0.11
Income Taxes (Details) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Taxes (Textual) [Abstract]        
Income tax benefit $ 358 $ 15,985 $ 555 $ 16,131
Period at which cumulative loss incurred     3 years