|
Income Taxes (Details)
|
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Dec. 31, 2012
|
|
| Income Taxes | |||
| Effective tax rate (as a percent) | 45.30% | 41.30% | 40.00% |
| Federal statutory tax rate (as a percent) | 35.00% | 35.00% | |