Earnings per Share/Capital Stock - Schedule of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Basic:
Net income	$ 35,834	$ 31,864	$ 23,135	$ 31,565	$ 38,521	$ 34,407	$ 90,833	$ 104,493
Less: Impact from participating securities	128			91			294	286
Net Income (Loss) Available to Common Stockholders, Basic, Total	$ 35,706			$ 31,474			$ 90,539	$ 104,207
Weighted average Common Shares outstanding, basic (in shares)	37,564			36,977			37,302	36,974
Basic earnings per Common Share (in dollars per share)	$ 0.95			$ 0.85			$ 2.43	$ 2.82
Diluted:
Net Income (Loss) Available to Common Stockholders, Basic, Total	$ 35,706			$ 31,474			$ 90,539	$ 104,207
Undistributed earnings for dilutive stock options and restricted stock units	66			45			134	162
Total common shareholders earnings, diluted	$ 35,772			$ 31,519			$ 90,673	$ 104,369
Weighted average Common Shares outstanding, basic (in shares)	37,564			36,977			37,302	36,974
Stock-based compensation (in shares)	119			94			107	90
Weighted Average Number of Diluted Shares (in shares)	37,683			37,071			37,409	37,064
Diluted earnings per Common Share (in dollars per share)	$ 0.95			$ 0.85			$ 2.42	$ 2.82