Percentage of assets sold or transferred for the equity instruments other than options to vest.

No definition available.

Name:	lz_PercentageOfAssetsSoldOrTransferredForTheEquityInstrumentsOtherThanOptionsToVest
Namespace Prefix:	lz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation arrangement by share based payment award equity instruments other than options period of retention from the date of grant.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodOfRetentionFromTheDateOfGrant
Namespace Prefix:	lz_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based compensation by share based payment arrangement equity instruments other than options vested upon the effectiveness of initial public offer.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedArrangementEquityInstrumentsOtherThanOptionsVestedUponTheEffectivenessOfInitialPublicOffer
Namespace Prefix:	lz_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation by share based payment arrangement equity instruments other than options granted during the period aggregate fair value.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentArrangementEquityInstrumentsOtherThanOptionsGrantedDuringThePeriodAggregateFairValue
Namespace Prefix:	lz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Share based compensation by share based payment award number of equity instruments other than options.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfEquityInstrumentsOtherThanOptions
Namespace Prefix:	lz_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based compensation by share based payment award number of equity instruments other than options for which the vesting conditions were modified unrecognized compensation.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfEquityInstrumentsOtherThanOptionsForWhichTheVestingConditionsWereModifiedUnrecognizedCompensation
Namespace Prefix:	lz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Share based compensation by share based payment award number of equity instruments other than options outstanding for which accelerated vesting is applicable gross compensation expense.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfEquityInstrumentsOtherThanOptionsOutstandingForWhichAcceleratedVestingIsApplicableGrossCompensationExpense
Namespace Prefix:	lz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Share based compensation by share based payment award number of equity instruments other than options outstanding for which the vesting conditions were modified.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfEquityInstrumentsOtherThanOptionsOutstandingForWhichTheVestingConditionsWereModified
Namespace Prefix:	lz_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation by share based payment award number of equity instruments other than options outstanding for which the vesting conditions were modified vesting percentage.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfEquityInstrumentsOtherThanOptionsOutstandingForWhichTheVestingConditionsWereModifiedVestingPercentage
Namespace Prefix:	lz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based compensation by share based payment award number of options outstanding for which the vesting conditions were modified.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfOptionsOutstandingForWhichTheVestingConditionsWereModified
Namespace Prefix:	lz_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation by share based payment award number of options outstanding for which the vesting conditions were modified vesting percentage.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardNumberOfOptionsOutstandingForWhichTheVestingConditionsWereModifiedVestingPercentage
Namespace Prefix:	lz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Share based compensation by share based payment award options outstanding for which the vesting conditions were modified unrecognized compensation.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingForWhichTheVestingConditionsWereModifiedUnrecognizedCompensation
Namespace Prefix:	lz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

share based compensation by share based payment award options outstanding for which the vesting conditions were modified unrecognized compensation period of recognition.

+ References

No definition available.

+ Details

Name:	lz_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingForWhichTheVestingConditionsWereModifiedUnrecognizedCompensationPeriodOfRecognition
Namespace Prefix:	lz_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

+ Details

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

- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

+ Details

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

- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=SL79508275-113901

+ Details

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

- Definition

Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

+ References

No definition available.

+ Details

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

- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
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

No definition available.

+ Details

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

- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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

- Definition

Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement.

+ References

No definition available.

+ Details

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

- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_PlanNameAxis=lz_TwoThousandAndTwentyOneEquityIncentivePlanMember
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:	us-gaap_PlanNameAxis=lz_A2016StockOptionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_RestrictedStockAxis=lz_TimeBasedOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=lz_EmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_RestrictedStockAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=lz_ExecutiveOfficersAndEmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_EmployeeStockOptionsOneAxis=lz_ServiceBasedVestingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_EventAxis=lz_ModifiedVestingConditionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=lz_OneExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_EmployeeStockOptionsAxis=lz_TwoThousandAndNineteenPerformanceOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=lz_TerminatedEmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=lz_TwoThousandAndTwentyOneEmployeeStockPurchasePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_RestrictedStockAxis=lz_LiquidityEventRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_RestrictedStockOneAxis=lz_TimeBasedLiquidityEventRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_RestrictedStockAxis=lz_ServiceBasedRestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_EmployeeStockOptionsAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	lz_RestrictedStockOneAxis=lz_ServiceVestingConditionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_AwardTypeAxis=lz_TwoThousandAndTwoThousandAndTwentyPerformanceOptionsPerformanceRestrictedStockUnitsAndLiquidityRestrictedEventRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=lz_TimeBasedOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 21, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses					$ 113,506	$ 13,767	$ 6,807
Total intrinsic value of options exercised					13,500	$ 12,300	$ 10,100
Stock-based compensation expense total unrecognized				$ 56,100	$ 56,100
Weighted-average grant-date fair value (in dollars per share)					$ 11.78	$ 4.32	$ 4.64
Realized tax benefit					$ 12,300	$ 14,200	$ 8,700
Granted (in shares)					971,000
2021 Equity Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)	18,946,871	18,946,871
2016 Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					5 years
Expiration period					10 years
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					4 years
Employee Stock Option \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses					$ 3,200
Stock-based compensation expense total unrecognized				$ 8,200	$ 8,200
Stock-based compensation weighted-average year					3 years 7 months 6 days
Granted (in shares)		970,970
Employee Stock Option \| Executive Officer \| Time Based Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares that were modified for vesting conditions, outstanding (in shares)				1,706,888	1,706,888
Employee Stock Option \| Employees \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage that was modified				25.00%	25.00%
Employee Stock Option \| Executive Officers And Employees \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares that were modified for vesting conditions (in shares)				4,477,218	4,477,218
Employee Stock Option \| Executive Officers And Employees \| Performance Shares \| Service Based Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
New fair value					$ 76,600
Modified unrecognized compensation expense				$ 29,200	$ 29,200
Modified unrecognized compensation expense period					2 years 6 months
Employee Stock Option \| Executive Officers And Employees \| Modified Vesting Conditions \| Performance Shares \| Service Based Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses	$ 23,300			$ 24,100
Employee Stock Option \| One Executive Officer \| 2019 Performance Obligaitons
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares that were modified for vesting conditions (in shares)				3,627,936	3,627,936
New fair value					$ 11,400
Employee Stock Option \| One Executive Officer \| 2019 Performance Obligaitons \| Service Based Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses	6,600			$ 6,700
Modified unrecognized compensation expense				$ 5,900	$ 5,900
Modified unrecognized compensation expense period					1 year 9 months 18 days
Employee Stock Option \| Terminated Employees \| Modified Vesting Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses					$ 1,400
Shares that were modified for vesting conditions, outstanding (in shares)				63,235	63,235
Employee Stock Option \| 2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses					$ 400
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses					$ 38,600	3,700	4,200
Vesting period					4 years
Stock-based compensation weighted-average year					3 years 1 month 6 days
Fair value of vested options					$ 18,100	3,400	4,400
Remaining stock-based compensation expense				$ 55,100	55,100
Realized tax benefit					$ 3,500	$ 400	$ 700
Granted (in shares)					2,276
Units vested upon effectiveness of IPO (in shares)				550,091	550,091
Restricted stock units \| Liquidity Event Restricted Stock Units \| Time Based Liquidity Event Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses				$ 30,900
Restricted stock units \| Executive Officer \| Liquidity Event Restricted Stock Units \| Time Based Liquidity Event Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Modified unrecognized compensation expense				20,100	$ 20,100
Modified unrecognized compensation expense period					2 years 8 months 12 days
Modified vesting conditions of shares outstanding (in shares)					1,725,942
New fair value of units due to remeasurement					$ 43,300
Accelerated compensation expense recognized	7,400			15,800
Restricted stock units \| Executive Officer \| Service Based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses					$ 3,100
Stock-based compensation weighted-average year					3 years 7 months 6 days
Remaining stock-based compensation expense				$ 7,800	$ 7,800
Granted (in shares)		388,389
Units granted, fair value		$ 10,900
Restricted stock units \| Employees \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			30,434
Percentage of assets sold or transferred for equity instruments other than options to vest			50.00%
Restricted stock units \| Employees \| Liquidity Event Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					1,338,028
Retainage period					6 years 6 months
Restricted stock units \| Employees \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares that were modified for vesting conditions, outstanding (in shares)				111,902	111,902
Vesting percentage that was modified, RSUs					25.00%
Restricted stock units \| Employees \| Performance Shares \| Service Vesting Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
New fair value					$ 2,900
Modified unrecognized compensation expense, RSUs				$ 1,500	$ 1,500
Modified unrecognized compensation expense period, RSUs					2 years 9 months 18 days
Restricted stock units \| Employees \| Modified Vesting Conditions \| Performance Shares \| Service Vesting Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share based compensation expenses	$ 200			$ 1,200
Restricted stock units \| Maximum \| Employees \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			100.00%
Par value (in dollars per share)			$ 29.46
Restricted stock units \| Minimum \| Employees \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			0.00%
Par value (in dollars per share)			$ 19.64
2000 and 2020 Performance Options Performance Restricted Stock Units and Liquidity Restricted Event Restricted Stock Units \| Median
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Par value (in dollars per share)								$ 25.50
Employee stock purchase plan \| 2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)	3,552,538	3,552,538
Time Based Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation weighted-average year					2 years 4 months 24 days