Debt Instrument, Periodic Payment, Short-Term Principal

No definition available.

Name:	eght_DebtInstrumentPeriodicPaymentShortTermPrincipal
Namespace Prefix:	eght_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of annual principal payment for debt instrument.

+ References

+ Details

Name:	us-gaap_DebtInstrumentAnnualPrincipalPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=eght_DelayedDrawTermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Event (Details) - USD ($) $ in Thousands		12 Months Ended
Subsequent Event (Details) - USD ($) $ in Thousands	Apr. 10, 2026	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2026	Mar. 31, 2024
Line of Credit Facility [Line Items]
Outstanding amount		$ 321,479	$ 349,964
Delayed Draw Term Loan Facility \| Secured debt \| Line of credit
Line of Credit Facility [Line Items]
Principal payment		30,000	48,000
Annual principal payment		$ 37,500	$ 8,000		$ 10,000
Delayed Draw Term Loan Facility \| Secured debt \| Line of credit \| Forecast
Line of Credit Facility [Line Items]
Annual principal payment				$ 25,000
Subsequent event \| Delayed Draw Term Loan Facility \| Secured debt \| Line of credit
Line of Credit Facility [Line Items]
Principal payment	$ 14,500
Short-term principal payment	12,500
Outstanding amount	$ 107,500