Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic EPS
Net income	$ 16,011	$ 10,869	$ 46,142	$ 30,519
Weighted average shares outstanding	28,246,206	28,182,744	28,235,732	28,293,445
Basic earnings per share	$ 0.57	$ 0.39	$ 1.63	$ 1.08
Diluted EPS
Net income	$ 16,011	$ 10,869	$ 46,142	$ 30,519
Weighted average shares outstanding	28,246,206	28,182,744	28,235,732	28,293,445
Dilutive effect of restricted stock awards	114,355	107,778	102,813	127,779
Weighted average shares for diluted earnings per share	28,360,561	28,290,522	28,338,545	28,421,224
Diluted earnings per share	$ 0.56	$ 0.38	$ 1.63	$ 1.07