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RECENTLY ISSUED ACCOUNTING STANDARDS (Details) - Cumulative Effect, Period of Adoption, Adjustment - Accounting Standards Update 2016-02 - Forecast $ in Thousands	Jan. 01, 2022 USD ($)
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Sublease receivable	$ 2,800
Right-of-use assets	800
Lease liabilities	4,200
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Sublease receivable	3,500
Right-of-use assets	1,000
Lease liabilities	$ 5,200

X

- Definition

Lessee, Operating Sublease, Receivable

+ References

No definition available.

+ Details

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Namespace Prefix:	nrdy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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

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Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

X

- Details

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- Details

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- Details

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