Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net income, Basic	$ 9,675	$ 2,762	$ 16,786	$ 8,330
Basic common shares outstanding	16,257,008	12,623,924	16,132,112	9,534,056
Earnings per share, Basic	$ 0.60	$ 0.22	$ 1.04	$ 0.87
Net income, Diluted	$ 9,675	$ 2,762	$ 16,786	$ 8,330
Effect of contingent shares issuable	796	796	796	796
Effect of options and restricted stock	530,143	450,215	549,899	394,593
Diluted common shares outstanding	16,787,947	13,074,935	16,682,807	9,929,445
Earnings per share, Diluted	$ 0.58	$ 0.21	$ 1.01	$ 0.84