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Stock-Based Compensation (Details)
12 Months Ended
Dec. 31, 2013
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 1.00%
Expected dividend yield 0.00%
Weighted average expected volatility 50.00%
Expected term 6 years
Weighted average grant-date fair value $ 11.74