Goodwill and Identifiable Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment	$ 511,866,000	$ 0	$ 0	$ 0	$ 0	$ 511,866,000	$ 0
Amortization of intangible assets	$ 7,000,000			$ 10,000,000		27,000,000	30,000,000
Impairment charges						$ 0	$ 0