|
Stockholders' Equity (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
1 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
May 31, 2012
|
Jun. 30, 2012
item
|
Jun. 30, 2011
|
Dec. 31, 2011
|
|
| Stockholders' Equity | ||||
| Common stock, authorized shares | 100,000,000 | |||
| Voting rights per common share | 1 | |||
| Common stock, outstanding shares | 15,795,521 | 15,593,506 | ||
| Authorized amount of repurchase under stock purchase plan | $ 10 | |||
| Common Stock purchased under stock purchase plan | 47,000 | |||
| Aggregate cost of Common Stock purchased under stock purchase plan | 1.2 | |||
| Shares acquired by the entity | 213,000 | 25,000 | ||
| Cost of shares acquired by the entity | $ 5.1 | $ 0.5 | ||