Debt and equity instrument fair value per unit.

No definition available.

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Namespace Prefix:	novt_
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Balance Type:	na
Period Type:	instant

- Definition

Debt instrument convertible cash installment per unit.

+ References

No definition available.

+ Details

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Namespace Prefix:	novt_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt instrument stated amount per unit.

+ References

No definition available.

+ Details

Name:	novt_DebtInstrumentStatedAmountPerUnit
Namespace Prefix:	novt_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Net proceeds from issuance of debt and equity.

+ References

No definition available.

+ Details

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Namespace Prefix:	novt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Proceeds from issuance of debt and equity gross.

+ References

No definition available.

+ Details

Name:	novt_ProceedsFromIssuanceOfDebtAndEquityGross
Namespace Prefix:	novt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

TEU stated amount per unit.

+ References

No definition available.

+ Details

Name:	novt_TEUStatedAmountPerUnit
Namespace Prefix:	novt_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Tangible equity unit average applicable market value

+ References

No definition available.

+ Details

Name:	novt_TangibleEquityUnitAverageApplicableMarketValue
Namespace Prefix:	novt_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Tangible equity unit purchase contract shares issued upon conversion.

+ References

No definition available.

+ Details

Name:	novt_TangibleEquityUnitPurchaseContractSharesIssuedUponConversion
Namespace Prefix:	novt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Tangible equity units issued during period new issues.

+ References

No definition available.

+ Details

Name:	novt_TangibleEquityUnitsIssuedDuringPeriodNewIssues
Namespace Prefix:	novt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Tangible equity units offering.

+ References

No definition available.

+ Details

Name:	novt_TangibleEquityUnitsOfferingLineItems
Namespace Prefix:	novt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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

- Definition

The average effective interest rate during the reporting period.

+ 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(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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- Details

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- Details

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- Details

Name:	srt_RangeAxis=srt_MaximumMember
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Tangible Equity Unit ("TEU") Offering Additional Information (Details) $ / shares in Units, $ in Thousands	Nov. 12, 2025 USD ($) TradingDays $ / shares shares	Feb. 01, 2026 $ / shares	Dec. 31, 2025 shares
Tangible Equity Units Offering [Line Items]
Number of shares issued \| shares	12,650,000
Aggregate offering \| $	$ 632,500
Net proceeds \| $	$ 613,097
Initial principal amount	$ 50
Number of consecutive trading days \| TradingDays	20
Tangible Equity Units Senior Amortizing Notes
Tangible Equity Units Offering [Line Items]
Interest rate	6.50%
Stated amount, per unit	$ 50
Maturity date	Nov. 01, 2028
Interest rate during period	6.30%
Cash installment per unit	$ 0.8125
Tangible Equity Units Senior Amortizing Notes \| Subsequent Event
Tangible Equity Units Offering [Line Items]
Cash installment per unit		$ 0.7132
Debt Component
Tangible Equity Units Offering [Line Items]
Aggregate offering \| $	$ 110,561
Net proceeds \| $	$ 107,169
Initial principal amount	$ 8.74
Tangible Equity Unit (TEU)
Tangible Equity Units Offering [Line Items]
Interest rate	6.50%
Stated amount, per unit	$ 50
Tangible Equity Unit (TEU) \| Maximum
Tangible Equity Units Offering [Line Items]
Shares issued upon conversion of purchase contracts \| shares	5,900,000
Applicable Market Value	$ 134.08
Tangible Equity Unit (TEU) \| Minimum
Tangible Equity Units Offering [Line Items]
Shares issued upon conversion of purchase contracts \| shares	4,700,000		4,700,000
Applicable Market Value	$ 107.26