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Stock-Based Compensation (Details 3) - Restricted Stock Units (RSUs)
3 Months Ended
Mar. 31, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Non-vested balance at beginning of period (in shares) | shares 179,900
Shares granted (in shares) | shares 69,538
Shares vested (in shares) | shares (71,941)
Shares forfeited (in shares) | shares 0
Non-vested balance at end of period (in shares) | shares 177,497
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Weighted Average Exercise Price, Non-vested Balance Beginning (in dollars per share) | $ / shares $ 9.35
Shares granted - Weighted Average Exercise Price (in dollars per share) | $ / shares 7.09
Shares vested - Weighted Average Exercise Price (in dollars per share) | $ / shares 8.94
Shares forfeited - Weighted Average Exercise Price (in dollars per share) | $ / shares 0.00
Weighted Average Exercise Price, Non-vested Balance Ending (in dollars per share) | $ / shares $ 8.27