Convertible Preferred Stock, Accrued Paid-In-Kind Dividends, Common Stock Equivalent, As-Converted Basis

No definition available.

Name:	ehth_ConvertiblePreferredStockAccruedPaidInKindDividendsCommonStockEquivalentAsConvertedBasis
Namespace Prefix:	ehth_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Convertible Preferred Stock, Covenant, Asset Coverage Ratio

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockCovenantAssetCoverageRatio
Namespace Prefix:	ehth_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Convertible Preferred Stock, Covenant, Liquidity

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockCovenantLiquidity
Namespace Prefix:	ehth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Convertible Preferred Stock, Minimum Ownership Percentage Needed For Consent To Incur Debt

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockMinimumOwnershipPercentageNeededForConsentToIncurDebt
Namespace Prefix:	ehth_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Convertible Preferred Stock, Number of Additional Rights To Nominate

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockNumberOfAdditionalRightsToNominate
Namespace Prefix:	ehth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Convertible Preferred Stock, Number Of Nominations To Board Of Directors

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockNumberOfNominationsToBoardOfDirectors
Namespace Prefix:	ehth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Convertible Preferred Stock, Redemption Call Right, Written Notice

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockRedemptionCallRightWrittenNotice
Namespace Prefix:	ehth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Convertible Preferred Stock, Redemption Value, Percentage Of Accrued Value Per Share

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockRedemptionPutRightPercentageOfAccruedValue
Namespace Prefix:	ehth_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Convertible Preferred Stock, Threshold Consecutive Trading Days

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockThresholdConsecutiveTradingDays
Namespace Prefix:	ehth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Convertible Preferred Stock, Threshold Percentage Of Stock Price Trigger

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockThresholdPercentageOfStockPriceTrigger
Namespace Prefix:	ehth_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Convertible Preferred Stock, Threshold Trading Days

+ References

No definition available.

+ Details

Name:	ehth_ConvertiblePreferredStockThresholdTradingDays
Namespace Prefix:	ehth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Preferred Stock, Convertible, Stated Value

+ References

No definition available.

+ Details

Name:	ehth_PreferredStockConvertibleStatedValue
Namespace Prefix:	ehth_
Data Type:	dtr-types1:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Preferred Stock, Dividend Rate, Cash, Percentage

+ References

No definition available.

+ Details

Name:	ehth_PreferredStockDividendRateCashPercentage
Namespace Prefix:	ehth_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Preferred Stock, Dividend Rate, Payable-In-Kind, Percentage

+ References

No definition available.

+ Details

Name:	ehth_PreferredStockDividendRatePayableInKindPercentage
Namespace Prefix:	ehth_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sale Of Stock, Consideration Received On Transaction, Gross

+ References

No definition available.

+ Details

Name:	ehth_SaleOfStockConsiderationReceivedOnTransactionGross
Namespace Prefix:	ehth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

+ Details

Name:	us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(24))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 405
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478790/946-405-45-2

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_DividendsPayableCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Per share conversion price of preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-13

+ Details

Name:	us-gaap_PreferredStockConvertibleConversionPrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-12A(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(Column A)(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6

+ Details

Name:	us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.E.Q2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(4)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(4)(iv))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(iv))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B

+ Details

Name:	us-gaap_TemporaryEquityCarryingAmountAttributableToParent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_TemporaryEquityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=ehth_EchelonHealthSPCLPHIGMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Convertible Preferred Stock - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended	26 Months Ended
	Apr. 30, 2024 day	Jun. 30, 2023	Apr. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) state $ / shares shares	Jun. 30, 2023	Apr. 30, 2027 day	Dec. 31, 2024 USD ($)	Aug. 31, 2023	Feb. 17, 2021 USD ($) member
Temporary Equity [Line Items]
Sale of stock, shares issued (in shares) \| shares			2,250,000
Preferred stock, par value (in dollars per share) \| $ / shares			$ 0.001
Gross proceeds			$ 225,000
Carrying amount			214,000	$ 347,985			$ 337,509
Payments of stock issuance costs			$ 10,975
Dividend rate		8.00%			8.00%
Stated value (in dollars per share) \| $ / shares				$ 100
Dividend rate, payable-in-kind		6.00%
Dividend rate, cash		2.00%
Conversion rate (in dollars per share) \| $ / shares				$ 79.5861
Threshold percentage of conversion price	167.50%
Threshold consecutive trading days \| day	20
Threshold trading days \| day	30
Redemption put right, percentage of accrued value				135.00%
Asset coverage ratio								250.00%
Shares converted (in shares) \| shares				0
Accrued paid-in-kind dividends, common stock equivalent, as-converted (in shares) \| shares				3,700,000
Minimum
Temporary Equity [Line Items]
Minimum liquidity amount									$ 65,000
Maximum
Temporary Equity [Line Items]
Minimum liquidity amount									$ 125,000
H.I.G
Temporary Equity [Line Items]
Number of nominations to board of directors \| state				1
Minimum ownership percentage			30.00%						30.00%
Convertible preferred stock, number of additional rights to nominate \| member									1
Forecast
Temporary Equity [Line Items]
Redemption put right, percentage of accrued value						135.00%
Redemption call right, number of days for written notice \| day						30
Series A Preferred Stock
Temporary Equity [Line Items]
Dividends payable				$ 1,400