Income Taxes Income Taxes Details 1 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ 689,745	$ 631,159	$ 664,745
Income (Loss) from Continuing Operations before Income Taxes, Foreign	40,038	44,259	43,861
Income from continuing operations before income taxes	729,783	$ 675,418	$ 708,606
Investment Tax Credit	5,300
Investment Program, Proportional Amortization Method, Applied, Amortization Expense	5,200
Investment, Proportional Amortization Method, Elected, Amount	51,100
Investment Program, Proportional Amortization Method, Elected, Commitment	$ 40,800