Intangible Assets, Goodwill and Other (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 1,029,234,000	$ 0
Other Intangible Assets, Period Additions	$ 710,200,000
Finite-Lived Intangible Asset, Useful Life (in years)	10 years
Goodwill and Intangible Asset Impairment	$ 0
Intangible amortization	$ 111,296,000	$ 4,095,000	$ 4,520,000