Discontinued Operations - Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	$ 3,797	$ 5,171
Charges	353
Cash payments	(1,727)
Total cumulative costs incurred as of March 31, 2024	10,174
ACO REACH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	297	110
Charges	297
Cash payments	(110)
Total cumulative costs incurred as of March 31, 2024	407
Employee termination benefits
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	547	1,781
Charges	0
Cash payments	(1,234)
Total cumulative costs incurred as of March 31, 2024	4,795
Employee termination benefits | ACO REACH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	0	110
Charges	0
Cash payments	(110)
Total cumulative costs incurred as of March 31, 2024	110
Vendor related costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	3,250	3,390
Charges	349
Cash payments	(489)
Total cumulative costs incurred as of March 31, 2024	5,288
Vendor related costs | ACO REACH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	297	$ 0
Charges	297
Cash payments	0
Total cumulative costs incurred as of March 31, 2024	$ 297