Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income	$ 31,800	$ 32,120
Average Common Shares:
Basic (weighted-average outstanding shares) (in shares)	11,990	11,944
Dilutive potential common shares from stock options (in shares)	58	76
Diluted (weighted-average outstanding shares) (in shares)	12,048	12,020
Basic earnings per share (in dollars per share)	$ 2.65	$ 2.69
Diluted earnings per share (in dollars per share)	$ 2.64	$ 2.67