XML 113 R95.htm IDEA: XBRL DOCUMENT v3.22.0.1

Off-Balance Sheet Arrangements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of factoring receivables	$ 566.4	$ 452.2	$ 630.3
WEX Europe Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gain (loss) on sale of factoring receivables	2.8	2.4	3.5
Wex Bank
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of factoring receivables	2,900.0	4,100.0	14,800.0
Gain (loss) on sale of factoring receivables	$ 0.0	0.0	3.7
WEX Latin America debt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gain (loss) on sale of factoring receivables		$ 6.5	$ 16.1

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

X

- Definition

Amount of gain (loss) on sale of accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121570589&loc=d3e107425-111719

+ Details

Name:	us-gaap_GainLossOnSaleOfAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash inflow associated with the proceeds from sale and collection of receivables during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleAndCollectionOfReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=wex_WEXEuropeServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=wex_WexBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=wex_WEXLatinAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: