Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 20,460	$ 14,290	$ 60,117	$ 36,438
Basic weighted average shares (in shares)	52,260,551	52,111,444	52,174,705	52,086,209
Effect of dilutive stock options and restricted stock (in shares)	890,744	610,683	780,344	538,374
Diluted weighted average shares (in shares)	53,151,295	52,722,127	52,955,049	52,624,583
Basic (usd per share)	$ 0.39	$ 0.27	$ 1.15	$ 0.70
Diluted (usd per share)	$ 0.38	$ 0.26	$ 1.14	$ 0.69
Anti-dilutive shares (in shares)	118,832	1,834,379	473,295	1,886,728