Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Shares excluded from computation of diluted EPS (in shares)	491	483	274
Basic earnings per share
Net Income	$ 98,739	$ 67,275	$ 42,865
Total weighted average common stock outstanding (in shares)	51,449	47,969	42,613
Net income per share (in dollars per share)	$ 1.92	$ 1.40	$ 1.01
Diluted earnings per share
Net Income	$ 98,739	$ 67,275	$ 42,865
Total weighted average common stock outstanding (in shares)	51,449	47,969	42,613
Add: Dilutive effect of employee restricted stock and stock options (in shares)	580	779	737
Total weighted average diluted stock outstanding (in shares)	52,029	48,748	43,350
Net income per share (in dollars per share)	$ 1.90	$ 1.38	$ 0.99