CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Income	$ 80,552	$ 83,142	$ 224,111	$ 194,131	$ 183,008
Other comprehensive income (loss), net of tax:
Reclassification of net income (loss) on derivative instruments			452	452	452
Postretirement medical liability adjustment			504	(262)	(982)
Foreign currency translation adjustment			(4)	2	(8)
Total Other Comprehensive Income (Loss)			952	192	(538)
Comprehensive Income			$ 225,063	$ 194,323	$ 182,470