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Stockholders' Equity Share Repurchase Program (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
9 Months Ended | 12 Months Ended | |
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Sep. 30, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Class of Stock [Line Items] | |||
| Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 25,000,000 | 10,000,000 | |
| Stock Repurchase Program, Number of Additional Shares Authorized to be Repurchased | 15,000,000 | ||
| Repurchase of common stock, shares | (2,450,700) | ||
| Repurchase of common stock | $ 23,894 | ||
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Common Stock [Member]
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| Class of Stock [Line Items] | |||
| Repurchase of common stock, shares | 2,450,700 | ||
| Repurchase of common stock | $ 25 |
| X | ||||||||||
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- Definition
Addition to the number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan during the period. No definition available.
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- Details
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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