|
Shareholders' Equity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Net proceeds from issuance of common stock | $ 385 | $ 229 | $ 127 |
| Treasury Stock Value | $ 10,302 | ||
| Stock Repurchase Program Authorized Percent Of Common Stock | 5.00% | ||
| Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 990,000 | ||
| Treasury Stock, Shares, Acquired | 617,818 | ||
| Employee Stock Purchase Plan [Member] | |||
| Common stock reserved for issuance | 150,000 | ||
| Common stock issued, shares | 57,944 | ||
| Treasury shares reissued | 52,500 | ||
| 2008 Stock Based Award Plan [Member] | |||
| Common stock reserved for issuance | 800,000 | ||
| Common stock issued, shares | 400,864 | ||
| Treasury shares reissued | 25,725 | ||