| Income Taxes (Details) | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2014 | Mar. 31, 2013 | |
| Effective Income Tax Rate, Continuing Operations | 37.30% | 30.80% | 
| Effective statutory federal income tax rate (in hundredths) | 35.00% | 35.00% | 
| X | ||||||||||
| 
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
 | 
| X | ||||||||||
| 
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
 |