Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net Income Available to Common Shareholders	$ 114,365	$ 102,071	$ 88,080
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	1,036	958	843
Distributed earnings allocated to common shares outstanding	40,121	36,619	34,901
Undistributed earnings allocated to common shares outstanding	73,208	64,494	52,336
Net earnings allocated to common shareholders	$ 113,329	$ 101,113	$ 87,237
Average shares outstanding, basic	14,868	14,847	15,381
Effect of dilutive securities	23	26	26
Average shares outstanding, diluted	14,891	14,873	15,407
Basic earnings per share	$ 7.62	$ 6.81	$ 5.67
Diluted earnings per share	$ 7.61	$ 6.80	$ 5.66