XML 49 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Related Party Transactions (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Related Party Transactions [Abstract] |
Summary of Accounts Receivable from Related Parties | The following table summarizes accounts receivable from related parties which are included as a component of Accounts receivable on the Company’s Consolidated Balance Sheets:
|  | September 30, 2017 |  |  | December 31, 2016 |
Receivable from WTT |  | $ | 17,827 |  |  | $ | 16,506 |
Receivable from BI and WTI |  |  | 1,067 |  |  |  | 645 |
Receivable from WTCS |  |  | 101 |  |  |  | 158 |
Receivable from WTAMC |  |  | 41 |  |  |  | 40 |
Total |  | $ | 19,036 |  |  | $ | 17,349 |
Summary of Revenues from Advisory Services Provided to Related Parties | The following table summarizes revenues from advisory services provided to related parties:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Advisory services provided to WTT |  | $ | 54,439 |  |  | $ | 49,087 |  |  | $ | 158,206 |  |  | $ | 161,316 |
Advisory services provided to BI and WTI |  |  | 2,733 |  |  |  | 1,915 |  |  |  | 7,271 |  |  |  | 5,308 |
Advisory services provided to WTCS |  |  | 310 |  |  |  | 482 |  |  |  | 1,210 |  |  |  | 1,406 |
Advisory services provided to WTAMC |  |  | 92 |  |  |  | 69 |  |  |  | 263 |  |  |  | 69 |
Total |  | $ | 57,574 |  |  | $ | 51,553 |  |  | $ | 166,950 |  |  | $ | 168,099 |

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Accounts Receivable From Related Party [Table Text Block] + References No definition available. + Details
Name: | wetf_ScheduleOfAccountsReceivableFromRelatedPartyTableTextBlock
Namespace Prefix: | wetf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration