XML 130 R62.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Accounts Payable - Inventory Financing Facilities - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounts Payable And Accrued Expenses [Line Items] |  |  |
Accounts payable—inventory financing facilities | $ 231,850,000 | $ 301,314,000 |
Unsecured Inventory Financing Facility | MUFG Bank Ltd |  |  |
Accounts Payable And Accrued Expenses [Line Items] |  |  |
Inventory financing facility maximum borrowing capacity | $ 280,000,000 |  |
Inventory financing facility rate if vendor terms not met equal prime plus | 2.00% |  |
Unsecured Inventory Financing Facility | PNC Facility |  |  |
Accounts Payable And Accrued Expenses [Line Items] |  |  |
Inventory financing facility maximum borrowing capacity | $ 375,000,000 | 300,000,000 |
Inventory financing facility rate if vendor terms not met equal LIBOR plus | 0.25% |  |
Unsecured Inventory Financing Facility | Canada Facility |  |  |
Accounts Payable And Accrued Expenses [Line Items] |  |  |
Inventory financing facility maximum borrowing capacity | $ 25,000,000 |  |
Inventory financing facility rate if vendor terms not met equal Canadian dollar offered rate plus | 0.0450 |  |
Unsecured Inventory Financing Facility | EMEA Facilities |  |  |
Accounts Payable And Accrued Expenses [Line Items] |  |  |
Inventory financing facility maximum borrowing capacity | $ 50,000,000 |  |
Inventory Financing Facility |  |  |
Accounts Payable And Accrued Expenses [Line Items] |  |  |
Inventory financing facility maximum borrowing capacity | 705,000,000 |  |
Accounts payable—inventory financing facilities | 231,850,000 |  |
Imputed interest on inventory financing facility | $ 13,276,000 | $ 15,523,000 | $ 15,292,000

X
- Definition Accounts payable and accrued expenses. + References No definition available. + Details
Name: | nsit_AccountsPayableAndAccruedExpensesLineItems
Namespace Prefix: | nsit_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Imputed interest on inventory financing facility. + References No definition available. + Details
Name: | nsit_ImputedInterestOnInventoryFinancingFacility
Namespace Prefix: | nsit_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Inventory Financing Facility Rate If Vendor Terms Not Met Equal Canadian Dollar Offered Rate Plus + References No definition available. + Details
Name: | nsit_InventoryFinancingFacilityRateIfVendorTermsNotMetEqualCanadianDollarOfferedRatePlus
Namespace Prefix: | nsit_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventory Financing Facility Rate If Vendor Terms Not Met Equal Libor Plus + References No definition available. + Details
Name: | nsit_InventoryFinancingFacilityRateIfVendorTermsNotMetEqualLiborPlus
Namespace Prefix: | nsit_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventory financing facility rate if vendor terms not met equal prime plus. + References No definition available. + Details
Name: | nsit_InventoryFinancingFacilityRateIfVendorTermsNotMetEqualPrimePlus
Namespace Prefix: | nsit_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer. + 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(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_AccountsPayableOtherCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for financing purchases of goods acquired for inventory or imminent delivery to a customer. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCapacityAvailableForTradePurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=nsit_UnsecuredInventoryFinancingFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsit_MUFGBankLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsit_PNCFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsit_CanadaFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsit_EMEAFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=nsit_InventoryFinancingFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |