Stock-Based Incentive Plan - Summary of Nonvested Stock Options (Details)	3 Months Ended
	Mar. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Nonvested Stock Options, Beginning balance | shares	344,230
Nonvested Stock Options, Vested | shares	(169,301)
Nonvested Stock Options, Forfeited | shares	(6,500)
Nonvested Stock Options, Ending balance | shares	168,429
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Beginning balance | $ / shares	$ 6.48
Weighted Average Grant Date Fair Value, Vested | $ / shares	6.44
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	6.40
Weighted Average Grant Date Fair Value, Ending balance | $ / shares	$ 6.52