XML 92 R77.htm IDEA: XBRL DOCUMENT
v3.22.2

Commitments and Contingencies - Reinsurance Agreements (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |  |
Reinsurance premiums assumed | $ (2) | $ 17,576
Claims assumed | 149 | 16,863
Claims-related administrative expenses | 0 | 545
Increase (decrease) in reserves for claims and performance-based arrangements attributable to the Reinsurance Agreement | (151) | 168
Assumed Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |
Reserves for claims and performance-based arrangements attributable to the Reinsurance Agreement at the beginning of the period | 90 | 4,002
Impact of consolidation on payable for claims and performance-based arrangements attributable to the Reinsurance Agreement | 0 | 0
Reinsurance payments paid (received) | (328) | 7,506
Payable (receivable) for claims and performance-based arrangements attributable to the Reinsurance Agreement at the end of the period | $ 267 | $ (3,336)

X
- Definition Assumed Liability For Unpaid Claims And Claims Adjustment Expense, Impact Of Consolidation On Payables + References No definition available. + Details
Name: | evh_AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseImpactOfConsolidationOnPayables
Namespace Prefix: | evh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Assumed Liability for Unpaid Claims and Claims Adjustment Expense + References No definition available. + Details
Name: | evh_AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseRollForward
Namespace Prefix: | evh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Policyholder Benefits And Claims Incurred, Assumed, Expenses Related To Claims + References No definition available. + Details
Name: | evh_PolicyholderBenefitsAndClaimsIncurredAssumedExpensesRelatedToClaims
Namespace Prefix: | evh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Premiums Written And Policyholder Benefits And Claims Incurred, Net + References No definition available. + Details
Name: | evh_PremiumsWrittenAndPolicyholderBenefitsAndClaimsIncurredNet
Namespace Prefix: | evh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Proceeds (Repayments) For Reinsurance + References No definition available. + Details
Name: | evh_ProceedsRepaymentsForReinsurance
Namespace Prefix: | evh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Liability as of the balance sheet date for the estimated ultimate cost of settling claims and claim adjustment expense relating to insured events that have occurred on or before the balance sheet date for those liabilities owed to another party as a result of assuming another insurer's primary obligation. + 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 -Subparagraph (cc) -URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
Name: | us-gaap_AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of written premiums assumed from other entities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_AssumedPremiumsWritten
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of policy benefits and costs incurred for policies assumed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=99397103&loc=d3e6811-158387 + Details
Name: | us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration