The unused availability under the line of credit facility.

No definition available.

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- Definition

Line of Credit Facility, Additional Increase to Borrowing Capacity

+ References

No definition available.

+ Details

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

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Balance Type:	debit
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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- Definition

Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 30
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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
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-SubTopic 10
-Section S99
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+ Details

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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

No definition available.

+ Details

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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

+ Details

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

- Details

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- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=inwk_ABLCreditAgreementMember
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Revolving Credit Facility - Narrative (Details) - USD ($)	Jul. 16, 2019	Feb. 22, 2016	Mar. 31, 2020
Revolving Credit Facility \| China
Line of Credit Facility [Line Items]
Revolving commitment amount	$ 1,000,000.0	$ 5,000,000.0
Unused capacity			$ 500,000
Revolving Credit Facility \| Base Rate \| China
Line of Credit Facility [Line Items]
Basis spread on variable rate		110.00%
Revolving Credit Facility \| ABL Credit Agreement
Line of Credit Facility [Line Items]
Revolving commitment amount	105,000,000.0
Additional increase to borrowing capacity	20,000,000.0
ABL Credit Facility outstanding			60,069,000
Deferred financing costs	2,000,000.0
Amortization of deferred financing costs	100,000
Letters of credit outstanding			1,700,000
Revolving Credit Facility \| ABL Credit Agreement \| US
Line of Credit Facility [Line Items]
ABL Credit Facility outstanding			60,000,000.0
Revolving Credit Facility \| ABL Credit Agreement \| UK
Line of Credit Facility [Line Items]
Revolving commitment amount	15,000,000.0
ABL Credit Facility outstanding			$ 100,000
Bridge Loan \| ABL Credit Agreement
Line of Credit Facility [Line Items]
Revolving commitment amount	10,500,000
Letter of Credit \| ABL Credit Agreement
Line of Credit Facility [Line Items]
Revolving commitment amount	$ 10,000,000.0
Minimum \| Revolving Credit Facility \| ABL Credit Agreement \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.00%
Minimum \| Revolving Credit Facility \| ABL Credit Agreement \| Base Rate \| US
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Minimum \| Revolving Credit Facility \| ABL Credit Agreement \| Base Rate \| UK
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.00%
Maximum \| Revolving Credit Facility \| ABL Credit Agreement \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.50%
Maximum \| Revolving Credit Facility \| ABL Credit Agreement \| Base Rate \| US
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.50%
Maximum \| Revolving Credit Facility \| ABL Credit Agreement \| Base Rate \| UK
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.50%