XML 70 R58.htm IDEA: XBRL DOCUMENT
v3.21.2

Derivative Instruments - Schedule of Interest Rate Swaps (Details) - Derivatives Not Designated as Hedging Instruments $ in Thousands | Sep. 30, 2021 USD ($)
--- | ---
Derivative [Line Items] |
Notional amount at inception | $ 2,300,000
December 2021 |
Derivative [Line Items] |
Fixed interest rate | 0.743%
Notional amount at inception | $ 485,000
December 2022 |
Derivative [Line Items] |
Fixed interest rate | 2.204%
Notional amount at inception | $ 300,000
March 2023 |
Derivative [Line Items] |
Notional amount at inception | $ 450,000
March 2023 | Minimum |
Derivative [Line Items] |
Fixed interest rate | 1.954%
March 2023 | Maximum |
Derivative [Line Items] |
Fixed interest rate | 2.413%
December 2023 |
Derivative [Line Items] |
Fixed interest rate | 1.862%
Notional amount at inception | $ 200,000
May 2024 |
Derivative [Line Items] |
Notional amount at inception | $ 300,000
May 2024 | Minimum |
Derivative [Line Items] |
Fixed interest rate | 0.435%
May 2024 | Maximum |
Derivative [Line Items] |
Fixed interest rate | 0.44%
May 2025 |
Derivative [Line Items] |
Fixed interest rate | 0.678%
Notional amount at inception | $ 300,000
May 2026 |
Derivative [Line Items] |
Notional amount at inception | $ 300,000
May 2026 | Minimum |
Derivative [Line Items] |
Fixed interest rate | 0.909%
May 2026 | Maximum |
Derivative [Line Items] |
Fixed interest rate | 0.91%

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheFMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=wex_InterestRateSwapTrancheGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |