Accounting Pronouncements (Adoption Of New Accounting Pronouncement Adjustments To Select Tables) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Statements Adjusted [Abstract]
Assets	$ 20,126,551		$ 19,058,758	$ 19,021,450
Liabilities	12,607,153		11,886,313
Stockholders Equity Including Portion Attributable To Noncontrolling Interest	$ 7,519,398	$ 7,350,441	$ 7,172,445	$ 7,030,378	$ 6,777,757	$ 6,504,191