Income Taxes Income Tax (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Valuation Allowance [Line Items]
Provision for income taxes	$ 38,948	$ 35,004	$ 109,220	$ 110,750
Effective Income Tax Rate Reconciliation, Percent	21.90%	21.00%	23.30%	23.50%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount			$ 3,100	$ 8,400
Share-based Payment Arrangement, Expense, Tax Benefit	$ (3,000)		(4,600)
Other Tax Expense (Benefit)	(1,600)		(1,300)
Change in tax benefit from energy efficient home credits	$ 6,200		$ 5,300