Debt instrument extended maturity date.

No definition available.

Name:	tem_DebtInstrumentExtendedMaturityDate
Namespace Prefix:	tem_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument extended maturity period.

+ References

No definition available.

+ Details

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Namespace Prefix:	tem_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument, percentage of repayment upon maturity.

+ References

No definition available.

+ Details

Name:	tem_DebtInstrumentPercentageOfRepaymentUponMaturity
Namespace Prefix:	tem_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Increase in future purchase obligations.

+ References

No definition available.

+ Details

Name:	tem_IncreaseInFuturePurchaseObligations
Namespace Prefix:	tem_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Minimum liquidity required to be maintained value.

+ References

No definition available.

+ Details

Name:	tem_MinimumLiquidityRequiredToBeMaintainedValue
Namespace Prefix:	tem_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Stock issued during period number of shares subject to lock in period.

+ References

No definition available.

+ Details

Name:	tem_StockIssuedDuringPeriodNumberOfSharesSubjectToLockInPeriod
Namespace Prefix:	tem_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Unsatisfied minimum commitment cancellation fee percentage.

+ References

No definition available.

+ Details

Name:	tem_UnsatisfiedMinimumCommitmentCancellationFeePercentage
Namespace Prefix:	tem_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

+ Details

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

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-Publisher FASB
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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+ Details

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

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=tem_TermLoanAgreementIncludingAmendmentAgreementOneAndTwoWithAresCapitalCorporationMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=tem_AmbryGeneticsCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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Balance Type:
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- Details

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Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions				12 Months Ended
	Feb. 22, 2025	Feb. 03, 2025	Nov. 04, 2024	Dec. 31, 2024	Dec. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Oct. 11, 2023
Term Loan Agreement Including Amendment Agreement One And Two With Ares Capital Corporation [Member]
Subsequent Event [Line Items]
Minimum liquidity required to be maintained value								$ 25.0
Purchase Agreement [Member] \| Ambry Genetics Corporation [Member]
Subsequent Event [Line Items]
Payments to acquire businesses, gross			$ 375.0
Acquisition-related costs				$ 2.7
Purchase Agreement [Member] \| Ambry Genetics Corporation [Member] \| Common Class A [Member]
Subsequent Event [Line Items]
Business acquisition equity interests issued or issuable number of shares issued			4,843,136
Subsequent Event [Member] \| Ares [Member] \| Third Amendment Term Loan Facility [Member] \| Term Loan Agreement Including Amendment Agreement One And Two With Ares Capital Corporation [Member]
Subsequent Event [Line Items]
Minimum liquidity required to be maintained value		$ 25.0
Subsequent Event [Member] \| Ares [Member] \| Third Amendment Term Loan Facility [Member] \| Term Loan Agreement Including Amendment Agreement One And Two With Ares Capital Corporation [Member] \| Forecast [Member]
Subsequent Event [Line Items]
Minimum liquidity required to be maintained value					$ 1,100.0	$ 1,000.0	$ 1,000.0
Subsequent Event [Member] \| Purchase Agreement [Member] \| Ambry Genetics Corporation [Member] \| Common Class A [Member]
Subsequent Event [Line Items]
Stock issued during period number of shares subject to lock in period		2,152,505
Subsequent Event [Member] \| Purchase Agreement [Member] \| Ares [Member] \| Third Amendment Term Loan Facility [Member]
Subsequent Event [Line Items]
Debt instrument face value		$ 200.0
Borrowings		200.0
Subsequent Event [Member] \| Purchase Agreement [Member] \| Ares [Member] \| Priority ABL Facility [Member]
Subsequent Event [Line Items]
Debt instrument face value		100.0
Borrowings		$ 100.0
Subsequent Event [Member] \| Amendment to Convertible Promissory Note [Member]
Subsequent Event [Line Items]
Debt instrument extended maturity date	Dec. 31, 2030
Debt instrument extended maturity period	5 years
Unsatisfied minimum commitment cancellation fee percentage	20.00%
Increase in future purchase obligations	$ 43.4
Subsequent Event [Member] \| Amendment to Convertible Promissory Note [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Debt instrument, percentage of repayment upon maturity	50.00%