v2.4.0.6
Comprehensive Income (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax $ 77 $ 148