Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 17,804	$ 13,391	$ 39,657	$ 22,148
Basic weighted average shares (in shares)	52,099,694	52,120,272	52,160,348	52,087,626
Effect of dilutive stock options and restricted stock (in shares)	650,707	626,927	725,143	502,219
Diluted weighted average shares (in shares)	52,750,401	52,747,199	52,885,491	52,589,845
Basic (usd per share)	$ 0.34	$ 0.26	$ 0.76	$ 0.43
Diluted (usd per share)	$ 0.34	$ 0.25	$ 0.75	$ 0.42
Anti-dilutive shares (in shares)	1,047,616	1,898,078	650,526	1,912,902