Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Basic EPS
Net income	$ 9,154	$ 8,084	$ 26,085	$ 23,883
Weighted average shares outstanding	27,688,234	27,695,105	27,757,119	27,638,721
Basic earnings per share	$ 0.33	$ 0.29	$ 0.94	$ 0.86
Diluted EPS
Net income	$ 9,154	$ 8,084	$ 26,085	$ 23,883
Weighted average shares outstanding	27,688,234	27,695,105	27,757,119	27,638,721
Dilutive effect of restricted stock awards	131,018	306,863	140,496	305,410
Weighted average shares for diluted earnings per share	27,819,252	28,001,968	27,897,615	27,944,131
Diluted earnings per share	$ 0.33	$ 0.29	$ 0.94	$ 0.85