Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill						$ 1,064,654
Accumulated loss on impairment	$ (384,400)		$ (384,400)		$ (279,100)	(96,000)
Goodwill - beginning balance			785,554	$ 968,654
Impairment of goodwill	(105,302)	$ (183,100)	(105,302)	(183,100)
Goodwill - ending balance	680,252	785,554	680,252	785,554
NEMT
Goodwill [Roll Forward]
Goodwill						231,186
Accumulated loss on impairment						(96,000)
Goodwill - beginning balance			135,186	135,186
Impairment of goodwill	0	0	0	0
Goodwill - ending balance	135,186	135,186	135,186	135,186
PCS
Goodwill [Roll Forward]
Goodwill						552,775
Accumulated loss on impairment						0
Goodwill - beginning balance			415,444	552,775
Impairment of goodwill	0	(137,331)	0	(137,331)
Goodwill - ending balance	415,444	415,444	415,444	415,444
RPM
Goodwill [Roll Forward]
Goodwill						280,663
Accumulated loss on impairment						0
Goodwill - beginning balance			234,894	280,663
Impairment of goodwill	(105,302)	(45,769)	(105,302)	(45,769)
Goodwill - ending balance	129,592	234,894	129,592	234,894
Corporate and Other
Goodwill [Roll Forward]
Goodwill						30
Accumulated loss on impairment						$ 0
Goodwill - beginning balance			30	30
Impairment of goodwill	0	0	0	0
Goodwill - ending balance	$ 30	$ 30	$ 30	$ 30