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Reserves for Claims and Performance-Based Arrangements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease) [Abstract]
Beginning balance	$ 178,827	$ 54,510
Incurred costs related to current year	457,841	420,597
Incurred costs related to prior year	7,109	2,878
Paid costs related to current year	358,448	464,571
Paid costs related to prior year	125,619	9,598
Change during the year	(19,117)	(50,694)
Impact of consolidation on reserves for claims and performance-based arrangements	0	164,297
Other adjustments	11,584	10,714
Ending balance	171,294	178,827
Discontinued Operations, Disposed of by Sale | True Health
Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease) [Abstract]
Beginning balance	9,900
Ending balance		9,900
Evolent Health Services
Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease) [Abstract]
Beginning balance	56,296	4,265
Incurred costs related to current year	8,669	(7,542)
Incurred costs related to prior year	7,036	2,853
Paid costs related to current year	20,801	106,093
Paid costs related to prior year	25,544	2,123
Change during the year	(30,640)	(112,905)
Impact of consolidation on reserves for claims and performance-based arrangements	0	164,297
Other adjustments	(38)	639
Ending balance	25,618	56,296
Clinical Solutions
Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease) [Abstract]
Beginning balance	122,531	50,245
Incurred costs related to current year	449,172	428,139
Incurred costs related to prior year	73	25
Paid costs related to current year	337,647	358,478
Paid costs related to prior year	100,075	7,475
Change during the year	11,523	62,211
Impact of consolidation on reserves for claims and performance-based arrangements	0	0
Other adjustments	11,622	10,075
Ending balance	$ 145,676	$ 122,531

X

- Definition

Current Year Claims And Claims Adjustment Expense, Including Cost Of Goods And Services Sold, Excluding Depreciation And Amortization

+ References

No definition available.

+ Details

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- Definition

The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
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Amount of increase (decrease) in the cost of settling unpaid claims after deduction of reinsurance recoveries related to the acquisition of a business. Includes, but is not limited to, claims which have been incurred but not reported.

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- Definition

Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs.

+ References

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- Definition

Amount, after effects of reinsurance, of payments to settle claims incurred in prior periods and related claims settlement costs.

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Sum of adjustments to the estimated reserve for unpaid claims and claims adjustment expense.

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Amount, after effects of reinsurance, of increase (decrease) in the liability for unpaid claims and claims adjustment expense.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs.

+ References

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