Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic [Abstract]
Net income	$ 29,161	$ 17,101	$ 15,950	$ 16,435	$ 11,290	$ 11,245	$ 62,212	$ 38,970
Weighted average shares outstanding (in shares)	26,222			26,531			26,310	26,615
Basic net income per share (in dollars per share)	$ 1.11			$ 0.62			$ 2.36	$ 1.46
Diluted [Abstract]
Net income	$ 29,161	$ 17,101	$ 15,950	$ 16,435	$ 11,290	$ 11,245	$ 62,212	$ 38,970
Weighted average shares outstanding (in shares)	26,222			26,531			26,310	26,615
Restricted stock awards (in shares)	610			82			553	64
Total (in shares)	26,832			26,613			26,863	26,679
Diluted net income per share (in dollars per share)	$ 1.09			$ 0.62			$ 2.32	$ 1.46