Significant Accounting Policies Supplemental Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Income taxes	$ (4,284)	$ (827)	$ 4,707
Production Tax Credits Cash Transfers	6,867	0	0
Interest	128,333	105,238	95,400
Capital expenditures included in trade accounts payable	$ 22,377	$ 42,322	$ 64,758