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v2.4.1.9

Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash flows from operating activities: |  |
Net income | $ 12,062 us-gaap_NetIncomeLoss | $ 30,204 us-gaap_NetIncomeLoss
Non-cash items included in net income: |  |
Income tax expense/(benefit) | 8,608 us-gaap_OtherNoncashIncomeTaxExpense | (13,725)us-gaap_OtherNoncashIncomeTaxExpense
Depreciation and amortization | 220 us-gaap_DepreciationAndAmortization | 192 us-gaap_DepreciationAndAmortization
Stock-based compensation | 2,344 us-gaap_ShareBasedCompensation | 2,015 us-gaap_ShareBasedCompensation
Deferred rent | (48)us-gaap_StraightLineRent | 643 us-gaap_StraightLineRent
Deferred acquisition contingent payment | 257 us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 |
Accretion to interest income and other | 3 us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments | (111)us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments
Changes in operating assets and liabilities: |  |
Accounts receivable | (6,356)us-gaap_IncreaseDecreaseInAccountsReceivable | (224)us-gaap_IncreaseDecreaseInAccountsReceivable
Other assets | (359)us-gaap_IncreaseDecreaseInOtherOperatingAssets | 18 us-gaap_IncreaseDecreaseInOtherOperatingAssets
Fund management and administration payable | 2,640 wetf_IncreaseDecreaseInFundManagementAndAdministrationPayable | 1,358 wetf_IncreaseDecreaseInFundManagementAndAdministrationPayable
Compensation and benefits payable | (3,230)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | (11,473)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Accounts payable and other liabilities | 796 us-gaap_IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities | 537 us-gaap_IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities
Net cash provided by operating activities | 16,937 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 9,434 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |
Purchase of fixed assets | (20)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (3,527)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchase of investments | (8,449)us-gaap_PaymentsToAcquireInvestments | (154)us-gaap_PaymentsToAcquireInvestments
Proceeds from the redemption of investments | 808 us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments | 61 us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments
Net cash used in investing activities | (7,661)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (3,620)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |
Dividends paid | (10,799)us-gaap_PaymentsOfDividends |
Shares repurchased | (14,070)us-gaap_PaymentsForRepurchaseOfCommonStock | (5,426)us-gaap_PaymentsForRepurchaseOfCommonStock
Proceeds from exercise of stock options | 2,125 us-gaap_ProceedsFromStockOptionsExercised | 76 us-gaap_ProceedsFromStockOptionsExercised
Net cash used in financing activities | (22,744)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (5,350)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Decrease in cash flow due to changes in foreign exchange rate | (115)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations |
Net (decrease)/ increase in cash and cash equivalents | (13,583)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 464 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents-beginning of period | 165,284 us-gaap_CashAndCashEquivalentsAtCarryingValue | 104,316 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents-end of period | 151,701 us-gaap_CashAndCashEquivalentsAtCarryingValue | 104,780 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information: |  |
Cash paid for taxes | $ 350 us-gaap_IncomeTaxesPaidNet | $ 14 us-gaap_IncomeTaxesPaidNet

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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3574-108585 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in fund management and administration payable. + References No definition available. + Details
Name: | wetf_IncreaseDecreaseInFundManagementAndAdministrationPayable
Namespace Prefix: | wetf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration