Stock-Based Compensation - Summary of Non-vested Restricted Stock Activity (Details) - Restricted stock awards	6 Months Ended
	Jun. 30, 2016 $ / shares shares
Number of SAR's Outstanding and Exercisable
Non-vested shares, Beginning balance (in shares) | shares	134,708
Granted (in shares) | shares	255,285
Vested (in shares) | shares	(109,615)
Forfeited (in shares) | shares	(6,873)
Non-vested shares, Ending balance (in shares) | shares	273,505
Weighted Average Exercise Price
Nonvested shares, Weighted Average Grant Date Fair Value, Beginning Balance (in usd per share) | $ / shares	$ 8.49
Non vested shares granted, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	7.38
Vested in period, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	13.45
Forfeited, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	26.49
Non-vested shares, Weighted Average Grant Date Fair Value, Ending Balance (in usd per share) | $ / shares	$ 8.37