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Quarterly Results of Operations (Unaudited) (Details Textual) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Quarterly Financial Information [Line Items] | |||||
| Share-based Compensation, Total | $ 63,715 | $ 5,827 | $ 100,405 | $ 32,197 | $ 23,657 |
| Deferred Policy Acquisition Cost, Amortization Expense, Effect of Adjustments to Estimated Gross Profit | $ 30,514 | $ 32,901 | |||