Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v2.4.0.8
Summary of Significant Accounting Policies (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated other comprehensive loss, net of tax $ 2,725,413   $ 2,745,742
Foreign currency translation adjustment (loss), net of tax 118 (172)  
Accumulated Other Comprehensive Income (Loss) [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated other comprehensive loss, net of tax (190)   (308)
Accumulated Translation Adjustment [Member]
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Reclassification adjustment for foreign currency translation out of accumulated other comprehensive income(loss) $ 223