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Stock-based Compensation - Fair Value Valuation Assumptions- ISO (Details) - 2014 Long Term Incentive Plan
12 Months Ended
Dec. 31, 2015
$ / shares
2015 10-Year Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant date Aug. 12, 2015
Expiration date Aug. 12, 2025
Grant date stock price (in dollars per share) $ 13.06
Expected volatility 35.16%
Risk-free rate (annualized) 2.19%
Dividend yield (annualized) 0.00%
2014 4.58-Year Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant date Nov. 14, 2014
Expiration date Jun. 14, 2019
Grant date stock price (in dollars per share) $ 19.51
Expected volatility 28.85%
Risk-free rate (annualized) 1.50%
Dividend yield (annualized) 0.00%
2014 10-Year Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant date Nov. 14, 2014
Expiration date Nov. 14, 2024
Grant date stock price (in dollars per share) $ 19.51
Expected volatility 35.00%
Risk-free rate (annualized) 2.38%
Dividend yield (annualized) 0.00%