Line of Credit Facility, Accordion Feature, Increase Limit

No definition available.

Name:	nrds_LineOfCreditFacilityAccordionFeatureIncreaseLimit
Namespace Prefix:	nrds_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number Of Wholly-Owned Subsidiaries, Debt Counterparties

+ References

No definition available.

+ Details

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Namespace Prefix:	nrds_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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

- 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))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: 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)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-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(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

Name:	us-gaap_LineOfCredit
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=nrds_CreditAgreementMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- 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:
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- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=nrds_SecuredOvernightFinancingRateReferenceRatePlusMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=nrds_SecuredOvernightFinancingRateWith1MonthInterestPeriodsMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=nrds_CreditAgreementTermBenchmarkLoansMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=nrds_SecuredOvernightFinancingRateSOFRMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=nrds_MarginPercentageMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_BridgeLoanMember
Namespace Prefix:
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Debt (Details)	Sep. 26, 2023 USD ($) subsidiary	Sep. 30, 2023 USD ($)
Revolving Credit Facility \| Credit Agreement
Line of Credit Facility [Line Items]
Number of wholly-owned subsidiaries, debt counterparties \| subsidiary	3
Revolving Credit Facility \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 125,000,000	$ 125,000,000
Line of credit amount outstanding		0
Remaining borrowing capacity		123,500,000
Revolving Credit Facility \| Credit Agreement \| Line of Credit \| Minimum
Line of Credit Facility [Line Items]
Unused capacity commitment fee percentage (in percent)	0.25%
Revolving Credit Facility \| Credit Agreement \| Line of Credit \| Maximum
Line of Credit Facility [Line Items]
Unused capacity commitment fee percentage (in percent)	0.35%
Revolving Credit Facility \| Credit Agreement Alternative Base Rate Loans \| Line of Credit \| Fed Funds Effective Rate Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (in percent)	0.50%
Revolving Credit Facility \| Credit Agreement Alternative Base Rate Loans \| Line of Credit \| Secured Overnight Financing Rate Reference Rate Plus
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (in percent)	0.50%
Revolving Credit Facility \| Credit Agreement Alternative Base Rate Loans \| Line of Credit \| Secured Overnight Financing Rate With 1-month Interest Periods
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (in percent)	1.00%
Revolving Credit Facility \| Credit Agreement Term Benchmark Loans \| Line of Credit \| Secured Overnight Financing Rate S O F R
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (in percent)	0.10%
Revolving Credit Facility \| Credit Agreement Term Benchmark Loans \| Line of Credit \| Minimum \| Margin Percentage
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (in percent)	2.25%
Revolving Credit Facility \| Credit Agreement Term Benchmark Loans \| Line of Credit \| Maximum \| Margin Percentage
Line of Credit Facility [Line Items]
Basis spread on variable interest rate (in percent)	2.75%
Letter of Credit \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 10,000,000
Line of credit facility, accordion feature, increase limit	75,000,000
Line of credit amount outstanding		$ 1,500,000
Bridge Loan \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 10,000,000