Derivative reclassified as increase to interest expense.

No definition available.

Name:	INSE_DerivativeReclassifiedAsIncreaseToInterestExpense
Namespace Prefix:	INSE_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Termination fees.

+ References

No definition available.

+ Details

Name:	INSE_TerminationFees
Namespace Prefix:	INSE_
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/disclosureRef
-Publisher FASB
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+ Details

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

- Definition

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

+ References

+ Details

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

- Definition

Description of the relevant terms of the derivative. Includes the type of instrument, risk being hedged, notional amount, counterparty, inception date, maturity date, relevant interest rates, strike price, cap price, and floor price.

+ References

No definition available.

+ Details

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

- 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

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

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=INSE_NotePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=INSE_InterestRateSwapOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=INSE_InterestRateSwapTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLiborSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=INSE_SixMonthEUROLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=INSE_EuroMember
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Derivatives and Hedging Activities (Details Narrative) € in Millions, £ in Millions, $ in Millions		1 Months Ended			12 Months Ended
	Jan. 15, 2020 USD ($)	May 20, 2021 USD ($)	May 20, 2021 EUR (€)	May 20, 2021 GBP (£)	Dec. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 GBP (£)	Jan. 15, 2020 EUR (€)	Jan. 15, 2020 GBP (£)	Aug. 13, 2018 USD ($)
Derivative [Line Items]
Debt Instrument, Face Amount					$ 27.0		£ 20.0
Debt Instrument, Interest Rate, Stated Percentage					5.50%		5.50%
Derivative reclassified as increase to interest expense					$ 0.8
Note Purchase Agreement [Member]
Derivative [Line Items]
Description of terms						The swap provided for a foreign exchange rate of $1.13935 USD per €1 EUR and $1.27565 USD per £1 GBP. In connection with the entry into the Senior Facilities Agreement on October 1, 2019, the Company terminated the 3-year, fixed-rate, cross-currency swap and received a settlement of $1.5 million
Debt Instrument, Face Amount										$ 140.0
Debt Instrument, Interest Rate, Stated Percentage										9.00%
Term of contract						3 years
Derivative reclassified as increase to interest expense						$ 1.5
Interest Rate Swap One [Member]
Derivative [Line Items]
Termination fees		$ 1.9		£ 1.3
Interest Rate Swap Two [Member]
Derivative [Line Items]
Termination fees		$ 0.2	€ 0.1
London Interbank Offered Rate (LIBOR) Swap Rate [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Description of terms	the Company entered into two interest rate swaps with UBS AG designed to protect the Company against adverse fluctuations in interest rates by reducing its exposure to variability in cash flows on a portion of the previous floating rate debt facilities. The swaps fixed the variable interest rate of the debt facilities and provided protection over potential interest rate increases by providing a fixed rate of interest payment in return. The interest rate swaps were for £95.0
Debt Instrument, Face Amount	$ 128.0								£ 95.0
Debt Instrument, Interest Rate, Stated Percentage	0.9255%							0.9255%	0.9255%
6-month EURO LIBOR [Member] \| Interest Rate Swap One [Member]
Derivative [Line Items]
Debt Instrument, Face Amount	$ 67.9							€ 60.0
6-month EURO LIBOR [Member] \| Interest Rate Swap One [Member] \| EUR [Member]
Derivative [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.102%							0.102%	0.102%