Stockholders' Equity and Mezzanine Equity - Summary of Share Activity Under 2014 Equity Incentive Plan (Details)	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Nonvested, Number of Shares [Roll Forward]
Beginning Balance, Shares | shares	777,019
Granted, Shares | shares	140,000
Vested, Shares | shares	(100,209)
Forfeitures, Shares | shares	(667)
Ending Balance, Shares | shares	816,143
Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Beginning Balance, Weighted-average Grant Date Fair Value | $ / shares	$ 24.99
Granted, Weighted-average Grant Date Fair Value | $ / shares	16.24
Vested, Weighted-average Grant Date Fair Value | $ / shares	22.43
Forfeitures, Weighted-average Grant Date Fair Value | $ / shares	28.64
Ending Balance, Weighted-average Grant Date Fair Value | $ / shares	$ 23.81