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Stock Repurchase Plan (Details Textual) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2003 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Stock Repurchase Plan (Textual) |  |  |  |
Authorized common stock for repurchases, amount | $ 15 |  |  |
Remaining authorized share for repurchases, amount |  | $ 95.0 | $ 80.0 | $ 107.7

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- Details
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- Definition The amount authorized by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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