WisdomTree (WT) 10-Q 6 May 21 2021 Q1 Quarterly report Financial data

Cover Page

Cover Page - shares	3 Months Ended
	Mar. 31, 2021	Apr. 23, 2021
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Period End Date	Mar. 31, 2021
Trading Symbol	WETF
Document Fiscal Period Focus	Q1
Entity Registrant Name	WisdomTree Investments, Inc.
Entity Central Index Key	0000880631
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		149,591,742
Document Transition Report	false
Document Quarterly Report	true
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Stock
Security Exchange Name	NASDAQ
Entity File Number	001-10932
Entity Address, Address Line One	245 Park Avenue, 35th Floor
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10167
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3487784
City Area Code	212
Local Phone Number	801-2080

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2031	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents		$ 62,302	$ 73,425
Securities owned, at fair value (including $23,626 and $23,932 invested in WisdomTree ETFs at March 31, 2021 and December 31, 2020, respectively)		34,771	34,895
Accounts receivable (including $27,258 and $26,884 due from related parties at March 31, 2021 and December 31, 2020, respectively)		30,341	29,455
Income taxes receivable		126
Prepaid expenses		4,187	3,827
Other current assets		237	259
Total current assets		131,964	141,861
Fixed assets, net		7,432	7,579
Indemnification receivable (Note 19)		22,222	27,016
Securities held-to-maturity		411	451
Deferred tax assets, net		6,215	8,063
Investments (Note 7)		13,849	8,112
Right of use assets – operating leases (Note 12)		15,841	16,327
Goodwill (Note 21)		85,856	85,856
Intangible assets (Note 21)		601,247	601,247
Other noncurrent assets		180	180
Total assets		885,217	896,692
Current liabilities:
Fund management and administration payable		17,980	19,564
Compensation and benefits payable		8,568	22,803
Deferred consideration – gold payments (Note 9)		15,637	17,374
Operating lease liabilities (Note 12)		2,958	3,135
Income taxes payable			916
Accounts payable and other liabilities		11,415	10,207
Total current liabilities		56,558	73,999
Convertible notes (Note 10)		171,163	166,646
Deferred consideration – gold payments (Note 9)		211,509	212,763
Operating lease liabilities (Note 12)		17,012	17,434
Other noncurrent liabilities (Note 19)		22,222	27,016
Total liabilities		478,464	497,858
Preferred stock – Series A Non-Voting Convertible, par value $0.01; 14.750 shares authorized, issued and outstanding; redemption value of $88,642 and $72,667 at March 31, 2021 and December 31, 2020, respectively) (Note 11)		132,569	132,569
Contingencies (Note 13)
Stockholders' equity
Preferred stock, par value $0.01; 2,000 shares authorized:
Common stock, par value $0.01; 250,000 shares authorized; issued and outstanding: 149,811 and 148,716 at March 31, 2021 and December 31, 2020, respectively		1,498	1,487
Additional paid-in capital		314,274	317,075
Accumulated other comprehensive income		985	1,102
Accumulated deficit		(42,573)	(53,399)
Total stockholders' equity		274,184	266,265
Total liabilities and stockholders' equity		$ 885,217	$ 896,692

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	149,811,000	148,716,000
Common stock, shares outstanding	149,811,000	148,716,000
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Accounts receivable from related parties	$ 27,258	$ 26,884
Securities owned, at fair value	34,771	34,895
Preferred Stock Redemption Value	$ 88,642	$ 72,667
Series A Redeemable Convertible Preferred Stock [Member]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	14,750	14,750
Preferred stock, shares issued	14,750	14,750
Preferred stock, shares outstanding	14,750	14,750
WisdomTree ETF [Member]
Securities owned, at fair value	$ 23,626	$ 23,932

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Operating Revenues:
Total revenues		$ 72,830	$ 63,874
Operating Expenses:
Compensation and benefits		22,627	17,295
Fund management and administration		15,521	14,485
Marketing and advertising		3,006	2,468
Sales and business development		2,145	3,417
Contractual gold payments (Note 9)		4,270	3,760
Professional fees		2,013	1,273
Occupancy, communications and equipment		1,475	1,551
Depreciation and amortization		252	256
Third-party distribution fees		1,343	1,355
Acquisition and disposition-related costs			383
Other		1,571	1,997
Total operating expenses		54,223	48,240
Operating income		18,607	15,634
Other Income/(Expenses):
Interest expense		(2,296)	(2,419)
Gain/(loss) on revaluation of deferred consideration – gold payments (Note 9)		2,832	(2,208)
Interest income		231	163
Impairments (Notes 12 and 22)		(303)	(19,672)
Other losses, net		(5,893)	(2,507)
Income/(loss) before income taxes		13,178	(11,009)
Income tax benefit		(1,969)	(2,371)
Net income/(loss)		$ 15,147	$ (8,638)
Earnings/(loss) per share – basic (Note 18)		$ 0.09	$ (0.06)
Earnings/(loss) per share – diluted (Note 18)		$ 0.09	$ (0.06)
Weighted-average common shares – basic (Note 18)		145,649	152,519
Weighted-average common shares – diluted (Note 18)	[1]	161,831	152,519
Cash dividends declared per common share		$ 0.03	$ 0.03
Advisory Fees [Member]
Operating Revenues:
Total revenues		$ 71,616	$ 62,950
Other Income [Member]
Operating Revenues:
Total revenues		$ 1,214	$ 924
[1]	Excludes 15,025 participating securities and 16 potentially dilutive non-participating common stock equivalents for the three months ended March 31, 2020 as the Company reported a net loss for the period (shares herein are reported in thousands).

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income/(Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income/(loss)	$ 15,147	$ (8,638)
Other comprehensive loss
Foreign currency translation adjustment, net of income taxes	(117)	(686)
Other comprehensive loss	(117)	(853)
Comprehensive income/(loss)	$ 15,030	(9,491)
WisdomTree Asset Management Canada, Inc [Member]
Other comprehensive loss
Reclassification of foreign currency translation adjustment to other losses, net, upon the sale of WisdomTree Asset Management Canada, Inc. ("WTAMC" or "Canadian ETF business") (Note 22)		$ (167)

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	As Adjusted [Member]	Common Stock [Member]	Common Stock [Member]As Adjusted [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member]As Adjusted [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Other Comprehensive Income [Member]As Adjusted [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member]As Adjusted [Member]
Balance at Dec. 31, 2019	$ 337,412		$ 1,553		$ 352,658		$ 945		$ (17,744)
Balance, shares at Dec. 31, 2019			155,264,000
Restricted stock issued and vesting of restricted stock units, net			$ 14		(14)
Restricted stock issued and vesting of restricted stock units net, shares			1,438,000
Shares repurchased	(1,495)		$ (3)		(1,492)
Shares repurchased, shares			(385,000)
Exercise of stock options, net	240				240
Exercise of stock options net, shares			107,000
Stock-based compensation	3,239				3,239
Other comprehensive loss	(853)						(853)
Dividends	(5,136)				(5,136)
Net income	(8,638)								(8,638)
Balance at Mar. 31, 2020	324,769		$ 1,564		349,495		92		(26,382)
Balance, shares at Mar. 31, 2020			156,424,000
Balance at Dec. 31, 2020	$ 266,265	$ 263,199	$ 1,487	$ 1,487	317,075	$ 313,393	1,102	$ 1,102	(53,399)	$ (52,783)
Balance, shares at Dec. 31, 2020	148,716,000		148,716,000	148,716,000
Reclassification of equity component related to convertible notes, net of deferred taxes of $1,022, upon the implementation of ASU 2020-06 (Note 10)	$ (3,066)				(3,682)				616
Restricted stock issued and vesting of restricted stock units, net			$ 15		(15)
Restricted stock issued and vesting of restricted stock units net, shares			1,510,000
Shares repurchased	(2,630)		$ (5)		(2,625)
Shares repurchased, shares			(490,000)
Exercise of stock options, net	379		$ 1		378
Exercise of stock options net, shares			75,000
Stock-based compensation	3,143				3,143
Other comprehensive loss	(117)						(117)
Dividends	(4,937)								(4,937)
Net income	15,147								15,147
Balance at Mar. 31, 2021	$ 274,184		$ 1,498		$ 314,274		$ 985		$ (42,573)
Balance, shares at Mar. 31, 2021	149,811,000		149,811,000

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) $ in Thousands	Mar. 31, 2021USD ($)
Accounting Standards Update 2020 06
Deferred tax liability	$ 1,022

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income/(loss)	$ 15,147	$ (8,638)
Adjustments to reconcile net income/(loss) to net cash provided by/(used in) operating activities:
Advisory fees received in gold, other precious metals and bitcoin	(19,757)	(13,860)
Contractual gold payments	4,270	3,760
Stock-based compensation	3,143	3,239
Deferred income taxes	2,904	4,526
(Gain)/loss on revaluation of deferred consideration – gold payments	(2,832)	2,208
Amortization of right of use asset	697	798
Amortization of issuance costs – convertible notes	429
Impairments	303	19,672
Depreciation and amortization	252	256
Gain on sale – Canadian ETF business		(2,877)
Amortization of issuance costs - former credit facility		723
Other	(235)	(31)
Changes in operating assets and liabilities:
Securities owned, at fair value	124	(2,942)
Accounts receivable	290	5,850
Prepaid expenses	(362)	(616)
Gold, other precious metals and bitcoin	14,166	9,838
Other assets	5	139
Fund management and administration payable	(1,470)	537
Compensation and benefits payable	(14,245)	(22,688)
Income taxes receivable/payable	(1,028)	(2,032)
Securities sold, but not yet purchased, at fair value		(112)
Operating lease liabilities	(918)	(926)
Accounts payable and other liabilities	982	542
Net cash provided by/(used in) operating activities	1,865	(2,634)
Cash flows from investing activities:
Purchase of investments	(5,500)
Purchase of fixed assets	(103)	(50)
Proceeds from held-to-maturity securities maturing or called prior to maturity	38	6,030
Proceeds from sale of Canadian ETF business, net		2,774
Net cash (used in)/provided by investing activities	(5,565)	8,754
Cash flows from financing activities:
Dividends paid	(4,937)	(5,136)
Shares repurchased	(2,630)	(1,495)
Repayment of debt		(5,000)
Proceeds from exercise of stock options	379	240
Net cash used in financing activities	(7,188)	(11,391)
Decrease in cash flow due to changes in foreign exchange rate	(235)	(1,272)
Decrease in cash and cash equivalents	(11,123)	(6,543)
Cash and cash equivalents—beginning of year	73,425	74,972
Cash and cash equivalents—end of period	62,302	68,429
Supplemental disclosure of cash flow information:
Cash paid for taxes	$ 1,278	1,147
Cash paid for interest		$ 2,312

Consolidated Statements of Ca_2

Consolidated Statements of Cash Flows (Parenthetical) - Implementation of ASU 2020-06 [Member] $ in Thousands	Jan. 01, 2021USD ($)
Increase decrease in retained earnings	$ 616
Increase decrease in convertible notes	4,088
Increase decrease in additional paid in capital	3,682
Increase decrease in deferred tax liability	$ 1,022

Organization and Description of

Organization and Description of Business	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Organization and Description of Business	1. Organization and Description of Business WisdomTree Investments, Inc., through its global subsidiaries (collectively, “WisdomTree” or the “Company”), is an exchange traded product (“ETP”) sponsor and asset manager headquartered in New York. WisdomTree offers ETPs covering equity, commodity, fixed income, leveraged-and-inverse, • WisdomTree Asset Management, Inc. non-consolidated open-end • WisdomTree Management Jersey Limited leveraged-and-inverse • WisdomTree Multi Asset Management Limited non-consolidated • WisdomTree Management Limited non-consolidated • WisdomTree UK Limited • WisdomTree Europe Limited e • WisdomTree Ireland Limited • WisdomTree Commodity Services, LLC

Significant Accounting Policies

Significant Accounting Policies	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Significant Accounting Policies	2. Significant Accounting Policies Basis of Presentation These consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) and in the opinion of management reflect all adjustments, consisting of only normal recurring adjustments, necessary for a fair statement of financial condition, results of operations, and cash flows for the periods presented. The consolidated financial statements include the accounts of the Company’s wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. Consolidation The Company consolidates entities in which it has a controlling financial interest. The Company determines whether it has a controlling financial interest in an entity by first evaluating whether the entity is a voting interest entity (“VOE”) or a variable interest entity (“VIE”). The usual condition for a controlling financial interest in a VOE is ownership of a majority voting interest. If the Company has a majority voting interest in a VOE, the entity is consolidated. The Company has a controlling financial interest in a VIE when the Company has a variable interest that provides it with (i) the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. The Company reassesses its evaluation of whether an entity is a VIE when certain reconsideration events occur. Accounts Receivable Accounts receivable are customer and other obligations due under normal trade terms. The Company measures credit losses, if any, by applying historical loss rates, adjusted for current conditions and reasonable and supportable forecasts to amounts outstanding using the aging method. Impairment of Long-Lived Assets The Company performs a review for the impairment of long-lived assets when events or changes in circumstances indicate that the estimated undiscounted future cash flows expected to be generated by the assets are less than their carrying amounts or when other events occur which may indicate that the carrying amount of an asset may not be recoverable. Securities Owned and Securities Sold, but not yet Purchased (at fair value) Securities owned and securities sold, but not yet purchased are securities classified as either trading or available-for-sale (“AFS”). These securities are recorded on their trade date and are measured at fair value. All equity securities are classified by the Company as trading. Debt securities are classified based primarily on the Company’s intent to hold or sell the security. Changes in the fair value of debt securities classified as trading and AFS are reported in other income and other comprehensive income, respectively, in the period the change occurs. Debt securities classified as AFS are assessed for impairment on a quarterly basis and an estimate for credit loss is provided when the fair value of the AFS debt security is below its amortized cost basis. Credit-related impairments are recognized in earnings with a corresponding adjustment to the security’s amortized cost basis if the Company intends to sell the impaired AFS debt security or it is more likely than not the Company will be required to sell the security before recovering its amortized cost basis. Other credit-related impairments are recognized as an allowance with a corresponding adjustment to earnings. Impairments resulting from noncredit-related factors are recognized in other comprehensive income. Amounts recorded in other comprehensive income are reclassified into earnings upon sale of the AFS debt security using the specific identification method. Securities Held-to-Maturity The Company accounts for certain of its securities as held-to-maturity held-to-maturity more-likely-than-not Held-to-maturity non-accrual held-to-maturity non-accrual The Company reviews its portfolio of held-to-maturity Investments in pass-through government-sponsored enterprises (“GSEs”) are determined to have an estimated loss rate of zero due to an implicit U.S. government guarantee. Investments The Company accounts for equity investments that do not have a readily determinable fair value under the measurement alternative prescribed within Accounting Standards Update (“ASU”) 2016-01, Financial Instruments – Recognition and Measurement of Financial Assets and Financial Liabilities Goodwill Goodwill is the excess of the purchase price over the fair values of the identifiable net assets at the acquisition date. The Company tests goodwill for impairment at least annually and at the time of a triggering event requiring re-evaluation, Goodwill is allocated to the Company’s U.S. Business and European Business components. For impairment testing purposes, these components are aggregated as a single reporting unit as they fall under the same operating segment and have similar economic characteristics. Goodwill is assessed for impairment annually on November 30 th Intangible Assets Indefinite-lived intangible assets are tested for impairment at least annually and are also reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Indefinite-lived intangible assets are impaired if their estimated fair values are less than their carrying values. Finite-lived intangible assets, if any, are amortized over their estimated useful life, which is the period over which the assets are expected to contribute directly or indirectly to the future cash flows of the Company. These intangible assets are tested for impairment at the time of a triggering event, if one were to occur. Finite-lived intangible assets may be impaired when the estimated undiscounted future cash flows generated from the assets are less than their carrying amounts. The Company may rely on a qualitative assessment when performing its intangible asset impairment test. Otherwise, the impairment evaluation is performed at the lowest level of reasonably identifiable cash flows independent of other assets. The annual impairment testing date for all of the Company’s intangible assets is November 30 th Leases The Company accounts for its lease obligations in accordance with Accounting Standards Codification (“ASC”) Topic 842, Leases right-of-use right-of-use ASC 842 also provides a practical expedient which allows for consideration in a contract to be accounted for as a single lease component rather than allocated between lease and non-lease Deferred Consideration – Gold Payments Deferred consideration represents the present value of an obligation to pay gold to a third party into perpetuity and is measured using forward-looking gold prices observed on the CMX exchange, a selected discount rate and perpetual growth rate (Note 9). Changes in the fair value of this obligation are reported as gain/(loss) on revaluation of deferred consideration – gold payments on the Company’s Consolidated Statements of Operations. Convertible Notes Convertible notes are carried at amortized cost, net of issuance costs. Effective January 1, 2021, the Company early adopted ASU 2020-06 Debt – Debt with Conversion and Other Options 2020-06 paid-in Contingencies The Company may be subject to reviews, inspections and investigations by regulatory authorities as well as legal proceedings arising in the ordinary course of business. The Company evaluates the likelihood of an unfavorable outcome of all legal or regulatory proceedings to which it is a party and accrues a loss contingency when the loss is probable and reasonably estimable. Contingent Payments The Company recognizes contingent payments when the contingency is resolved and the gain is realized. Earnings per Share Basic earnings per share (“EPS”) is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Net income available to common stockholders represents net income of the Company reduced by an allocation of earnings to participating securities. The Series A non-voting non-forfeitable two-class Diluted EPS is calculated under the treasury stock method and the two-class non-voting non-voting m if-converted Income Taxes The Company accounts for income taxes using the liability method, which requires the determination of deferred tax assets and liabilities based on the differences between the financial and tax bases of assets and liabilities using the enacted tax rates in effect for the year in which differences are expected to reverse. Deferred tax assets are reduced by a valuation allowance if, based on the weight of available evidence, it is more-likely-than-not Tax positions are evaluated utilizing a two-step more-likely-than-not The Global Intangible Low-Taxed Non-income Recently Adopted Accounting Pronouncements On January 1, 202 1 2020-06, Debt – Debt with Conversion and Other Options 2020-06) earnings-per-share ASU, paid-in capital On January 1, 2021, the Company adopted ASU 2019-12, Income Taxes (Topic 740) – Simplifying the Accounting for Income Taxes 2019-12). year-to-date t non-income-based

Cash and Cash Equivalents

Cash and Cash Equivalents	3 Months Ended
	Mar. 31, 2021
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents	3. Cash and Cash Equivalents Of the total cash and cash equivalents of $62,302 and $73,425 at March 31, 2021 and December 31, 2020, respectively, $59,919 and $70,911 were held at two financial institutions. At March 31, 2021 and December 31, 2020, cash equivalents were approximately $502 and $660, respectively. Certain of the Company’s international subsidiaries are required to maintain a minimum level of regulatory capital, which was $12,222 In addition, the Company collateralized its U.S. office lease through a standby letter of credit totaling $1,384 which is restricted from further use.

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements	4. Fair Value Measurements The fair value of financial instruments is defined as the price that would be received to sell an asset or paid to transfer a liability (i.e., “the exit price”) in an orderly transaction between market participants at the measurement date. ASC 820, Fair Value Measurement Level 1 – Quoted prices for identical instruments in active markets. Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable. Level 3 – Instruments whose significant drivers are unobservable. The availability of observable inputs can vary from product to product and is affected by a wide variety of factors, including, for example, the type of product, whether the product is new and not yet established in the marketplace, and other characteristics particular to the transaction. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires more judgment. Accordingly, the degree of judgment exercised by management in determining fair value is greatest for instruments categorized in Level 3. In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for disclosure purposes, the level in the fair value hierarchy within which the fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The tables below summarize the categorization of the Company’s assets and liabilities measured at fair value. During the three months ended March 31, 2021 and 2020 there were no transfers between Levels 2 and 3. March 31, 2021 Total Level 1 Level 2 Level 3 Assets: Recurring fair value measurements: Cash equivalents $ 502 $ 502 $ — $ — Securities owned, at fair value ETFs 23,862 23,862 — — Pass-through GSEs 8,832 — 8,832 — Corporate bonds 2,077 — 2,077 — Total $ 35,273 $ 24,364 $ 10,909 $ — Non-recurring Securrency, Inc. – Series A convertible preferred stock (1) $ 8,349 $ — $ — $ 8,349 Liabilities: Recurring fair value measurements: Deferred consideration (Note 9) $ 227,146 $ — $ — $ 227,146 (1) Fair value determined on March 8, 2021 (Note 7). December 31, 2020 Total Level 1 Level 2 Level 3 Assets: Recurring fair value measurements: Cash equivalents $ 660 $ 660 $ — $ — Securities owned, at fair value ETFs 24,165 24,165 — — Pass-through GSEs 8,613 — 8,613 — Corporate bonds 2,117 — 2,117 — Total $ 35,555 $ 24,825 $ 10,730 $ — Non-recurring AdvisorEngine Inc. (“AdvisorEngine”) – Financial interests (1) $ — $ — $ — $ — Thesys Group, Inc. (“Thesys”) – Series Y Preferred Stock (1) — — — — Total $ — $ — $ — $ — Liabilities: Recurring fair value measurements: Deferred consideration (Note 12) $ 230,137 $ — $ — $ 230,137 Non-recurring Convertible notes (2) $ 170,191 $ — $ 170,191 $ — (1) The fair value of the AdvisorEngine financial interests of $9,592 was determined on May 4, 2020, the date in which these financial interests were sold (Note 22). Thesys was written down to zero on September 30, 2020. (2) Fair value of $145,847 and $24,344 determined on June 16, 2020 and August 13, 2020, respectively (Note 10). Recurring Fair Value Measurements - Methodology Cash Equivalents (Note 3) g Securities Owned (Note 5) Deferred Consideration (Note 9) The following table presents a reconciliation of beginning and ending balances of recurring fair value measurements classified as Level 3: Three Months Ended March 31, 2021 2020 Deferred consideration (Note 9) Beginning balance $ 230,137 $ 173,024 Net realized losses (1) 4,270 3,760 Net unrealized (gains)/losses (2) (2,832 ) 2,208 Settlements (4,429 ) (3,692 ) Ending balanc e $ 227,146 $ 175,300 (1) Recorded as contractual gold payments expense on the Company’s Consolidated Statements of Operations. (2) Recorded as gain/(loss) on revaluation of deferred consideration – gold payments on the Company’s Consolidated Statements of Operations.

Securities Owned

Securities Owned	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Securities Owned	5. Securities Owned These securities consist of the following: March 31, 2021 December 31, Securities Owned Trading securities $ 34,771 $ 34,895 During the three months ended March 31, 2021 and 2020, the Company recognized trading losses of $561 and $196, respectively on securities owned that were still held at the reporting dates. The Company had no AFS debt securities at March 31, 2021 and December 31, 2020.

Securities Held-to-Maturity

Securities Held-to-Maturity	3 Months Ended
	Mar. 31, 2021
Text Block [Abstract]
Securities Held-to-Maturity	6. Securities Held-to-Maturity The following table is a summary of the Company’s securities held-to-maturity: March 31, 2021 December 31, 2020 Debt instruments: Pass-through GSEs (amortized cost) $ 411 $ 451 During the three months ended March 31, 2021 and 2020, the Company received proceeds of $38 and $6,030, respectively, from held-to-maturity The following table summarizes unrealized gains, losses, and fair value (classified as Level 2 within the fair value hierarchy) of securities held-to-maturity: March 31, 2021 December 31, 2020 Cost/amortized cost $ 411 $ 451 Gross unrealized gains 20 30 Gross unrealized losses (1 ) (12 ) Fair value $ 430 $ 469 An allowance for credit losses was not provided on the Company’s held-to-maturity The following table sets forth the maturity profile of the securities held-to-maturity; March 31, 2021 December 31, 2020 Due within one year $ — $ — Due one year through five years — — Due five years through ten years — — Due over ten years 411 451 Total $ 411 $ 451

Investments

Investments	3 Months Ended
	Mar. 31, 2021
Schedule of Investments [Abstract]
Investments	7. Investments The following table sets forth the Company’s investments: March 31, 2021 December 31, 2020 Carrying Cost Carrying Cost Securrency, Inc. – Series A convertible preferred stock $ 8,349 $ 8,112 $ 8,112 $ 8,112 Securrency, Inc. – Series B convertible preferred stock 5,500 5,500 — — Total $ 13,849 $ 13,612 $ 8,112 $ 8,112 Securrency, Inc. – Preferred Stock The Company owns approximately 25% (or 20% on a fully-diluted basis) of the capital stock of Securrency, Inc. (“Securrency”), a leading developer of institutional-grade blockchain-based financial and regulatory technology, issued as a result of strategic investments totaling $13,612. In consideration of such investments, the Company received 5,178,488 shares of Series A convertible preferred stock (“Series A Shares”) and 2,004,665 shares of Series B convertible preferred stock (“Series B Shares”). The Series B Shares contain a liquidation preference that is pari passu with shares of Series B-1 i terms non-cumulative B-1 subject to certain regulatory restrictions of certain investors), for the original issue price thereof, plus all declared and unpaid dividends, upon approval by holders of at least of the Series A Shares (at any time on or after December 31, 2029) and The investment is accounted for under the measurement alternative prescribed within ASU 2016-01, in-substance on its Series A Shares, which was re-measured to fair value upon the issuance of Securrency’s Series B Shares. Fair value was determined using the backsolve method, a valuation approach that determines the value of shares for companies with complex capital structures based upon the price paid for shares recently issued. Fair value is allocated across the capital structure using the Black-Scholes option pricing model. The table below presents the inputs used in backsolve valuation approach (classified as Level 3 in the fair value hierarchy): Inputs (Initial Recognition – March 8, 2021) Expected volatility 55 % Time to exit (in years) 5 There was no impairment recognized during the three months ended March 31, 2020 based upon a qualitative assessment.

Fixed Assets, net

Fixed Assets, net	3 Months Ended
	Mar. 31, 2021
Property, Plant and Equipment [Abstract]
Fixed Assets, net	8. Fixed Assets, net The following table summarizes fixed assets: March 31, 2021 December 31, 2020 Equipment $ 2,959 $ 2,836 Furniture and fixtures 2,225 2,225 Leasehold improvements 11,021 11,012 Less: accumulated depreciation and amortization (8,773 ) (8,494 ) Total $ 7,432 $ 7,579

Deferred Consideration

Deferred Consideration	3 Months Ended
	Mar. 31, 2021
Text Block [Abstract]
Deferred Consideration	9. Deferred Consideration Deferred consideration represents an obligation the Company assumed in connection with its acquisition of the European exchange-traded commodity, currency and leveraged-and-inverse The Contractual Gold Payments are paid from advisory fee income generated by any Company-sponsored financial product backed by physical gold and are subject to adjustment and reduction for declines in advisory fee income generated by such products, with any reduction remaining due and payable until paid in full. ETFS Capital’s recourse is limited to such advisory fee income and it has no recourse back to the Company for any unpaid amounts that exceed advisory fees earned. ETFS Capital ultimately has the right to claw back Gold Bullion Securities Ltd. (a physically backed gold ETP issuer) if the Company fails to remit any amounts due. The Company determined the present value of the deferred consideration of $227,146 and $230,137 at March 31, 2021 and December 31, 2020 using the following assumptions: March 31, 2021 December 31, 2020 Forward-looking gold price (low) – per ounce $ 1,717 $ 1,903 Forward-looking gold price (high) – per ounce $ 3,201 $ 2,662 Forward-looking gold price (weighted average) – per ounce $ 2,136 $ 2,117 Discount rate 9.0 % 9.0 % Perpetual growth rate 1.7 % 0.9 % The forward-looking gold prices at March 31, 2021 were extrapolated from the last observable CMX exchange price (beyond 2026) and the weighted-average price per ounce was derived from the relative present values of the annual payment obligations. The perpetual growth rate was determined based upon the increase in observable forward-looking gold prices through 2026. This obligation is classified as Level 3 as the discount rate and extrapolated forward-looking gold prices are significant unobservable inputs. An increase in spot gold prices, forward-looking gold prices and the perpetual growth rate would result in an increase in deferred consideration, whereas an increase in the discount rate would reduce the fair value. Current amounts payable were $15,637 and $17,374 and long-term amounts payable were $211,509 and $212,763, respectively, at March 31, 2021 and December 31, 2020, respectively. During the three months ended March 31, 2021 and 2020, the Company recognized the following in respect of deferred consideration: Three Months Ended March 31, 2021 2020 Contractual Gold Payments $ 4,270 $ 3,760 Contractual Gold Payments – gold ounces paid 2,375 2,375 Gain/(loss) on revaluation of deferred consideration – gold payments(1) $ 2,832 $ (2,208 ) (1) Gains on revaluation of deferred consideration – gold payments result from a decrease in spot gold prices, a decrease in the forward-looking price of gold, a decrease in the perpetual growth rate and an increase in the discount rate used to compute the present value of the annual payment obligations. Losses on revaluation of deferred consideration – gold payments result from an increase in spot gold prices, an increase in the forward-looking price of gold, an increase in the perpetual growth rate and a decrease in the discount rate used to compute the annual payment obligations.

Convertible Notes

Convertible Notes	3 Months Ended
	Mar. 31, 2021
Debt Disclosure [Abstract]
Convertible Notes	10. Convertible Notes On June 16, 2020, the $175,000 aggregate principal amount of Convertible Notes outstanding. Key terms of the Convertible Notes are as follows: • Maturity date • Interest rate of 4.25% • Conversion price of $5.92 • Conversion five business day ten consecutive trading day of • Cash settlement of principal amount of • Redemption price of $7 70 th Company provides notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption, at a redemption price equal to 100% of the principal amount of the notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the Convertible Notes. • Limited investor put rights • Conversion rate increase in certain customary circumstances • Seniority and Security Non-Voting The Indenture contains customary terms and covenants, including that upon certain events of default occurring and continuing, either the Trustee or the holders of not less than 25% in aggregate principal amount of the Convertible Notes outstanding may declare the entire principal amount of all the Convertible Notes to be repurchased, plus any accrued special interest, if any, to be immediately due and payable. The following table provides a summary of the carrying value of the Convertible Notes at March 31, 2021 and December 31, 2020: March 31, 2021 December 31, 2020 Principal amount $ 175,000 $ 175,000 Plus: premium on Additional Notes 250 250 Gross proceeds 175,250 175,250 Less: Unamortized discount (1) — (4,207 ) Less: Unamortized issuance costs (1) (4,087 ) (4,397 ) Carrying amount $ 171,163 $ 166,646 Effective interest rate (2) 5.30 % 6.29 % (1) Unamortized discount was 2020-06 2020-06. (2) Includes amortization of the issuance costs allocated to the Convertible Notes and amortization of the premium associated with the Additional Notes. The effective interest rate prior to January 1, 2021 also included amortization of the discount arising from the bifurcation of the conversion option. On January 1, 2021, the Company early adopted ASU 2020-06, Interest expense on the convertible notes during the three months ended March 31, 2021 was $2,296. Interest expense during the three months ended March 31, 2020 of $2,419 was attributable to our former credit facility which was terminated on June 16, 2020. Interest payable of $2,209 and $342 at March 31, 2021 and December 31, 2020 is included in accounts payable and other liabilities on the Consolidated Balance Sheets. The fair value of the Convertible Notes (classified as Level 2 in the fair value hierarchy) was $214,972 at March 31, 2021. The if-converted

Preferred Shares

Preferred Shares	3 Months Ended
	Mar. 31, 2021
Equity [Abstract]
Preferred Shares	11. Preferred Shares On April 10, 2018, the Company filed a Certificate of Designations of Series A Non-Voting as-converted As described in the Certificate of Designations, the Company will not issue, and ETFS Capital does not have the right to require the Company to issue, any shares of common stock upon conversion of the Preferred Shares, if, as a result of such conversion, ETFS Capital (together with certain attribution parties) would beneficially own more than 9.99% of the Company’s outstanding common stock immediately after giving effect to such conversion. In connection with the completion of the ETFS Acquisition, the Company issued 14,750 shares of Series A Non-Voting The following is a summary of the Preferred Share balance: March 31, 2021 December 31, 2020 Issuance of Preferred Shares $ 132,750 $ 132,750 Less: Issuance costs (181 ) (181 ) Preferred Shares – carrying value $ 132,569 $ 132,569 Temporary equity classification is required for redeemable instruments for which redemption triggers are outside of the issuer’s control. ETFS Capital has the right to redeem all the Preferred Shares specified to be converted during the period of time specified in the Certificate of Designations in the event that: (a) the number of shares of the Company’s common stock authorized by its certificate of incorporation is insufficient to permit the Company to convert all of the Preferred Shares requested by ETFS Capital to be converted; or (b) ETFS Capital does not, upon completion of a change of control of the Company, receive the same amount per Preferred Share as it would have received had each outstanding Preferred Share been converted into common stock immediately prior to the change of control. However, the Company will not be obligated to make any such redemption payments to the extent such payments would be a breach of any covenant or obligation the Company owes to any of its secured creditors or is otherwise prohibited by applicable law. Any such redemption will be at a price per Preferred Share equal to the dollar volume-weighted average price for a share of common stock for the 30-trading The carrying amount of the Preferred Shares was not adjusted as it was not probable that the Preferred Shares would become redeemable.

Leases

Leases	3 Months Ended
	Mar. 31, 2021
Lessee Disclosure [Abstract]
Leases	12. Leases The Company has entered into operating leases for its corporate headquarters and other office facilities, financial data terminals and equipment. The Company has no finance leases. The following table provides additional information regarding the Company’s leases: Three Months Ended March 31, 2021 2020 Lease cost: Operating lease cost $ 697 $ 798 Short-term lease cost 295 342 Total lease cost $ 992 $ 1,140 Other information: Cash paid for amounts included in the measurement of operating liabilities (operating leases) $ 918 $ 926 Right-of-use n/a n/a Weighted-average remaining lease term (in years) – operating leases 8.9 9.2 Weighted-average discount rate – operating leases 6.3 % 6.3 % None of the Company’s leases include variable payments, residual value guarantees or any restrictions or covenants relating to the Company’s ability to pay dividends or incur additional financing obligations. The Company’s lease of its headquarters, which expires in right-of-use Other leases also include extension, automatic renewal and termination provisions. These provisions were also not reasonably certain of being exercised and were therefore not recognized as part of the right-of-use During the three months ended March 31, 2021, the Company recognized an impairment charge of $303 resulting from the derecognition of a right-of-use asset upon exiting its London office in February 2021, as well as costs incurred to restore the office space to its original condition. The following table discloses future minimum lease payments at March 31, 2021 with respect to the Company’s operating lease liabilities: Remainder of 2021 $ 2,218 2022 2,958 2023 2,958 2024 3,037 2025 3,148 2026 and thereafter 11,456 Total future minimum lease payments (undiscounted) $ 25,775 The following table reconciles the future minimum lease payments at March 31, 2021 (disclosed above) to the operating lease liabilities recognized in the Company’s Consolidated Balance Sheet: Amounts recognized in the Company’s Consolidated Balance Sheet Lease liability – short term $ 2,958 Lease liability – long term 17,012 Subtotal 19,970 Difference between undiscounted and discounted cash flows 5,805 Total future minimum lease payments (undiscounted) $ 25,775

Contingencies

Contingencies	3 Months Ended
	Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Contingencies	13. Contingencies The Company may be subject to reviews, inspections and investigations by regulatory authorities as well as legal proceedings arising in the ordinary course of business. Closure of the WisdomTree WTI Crude Oil 3x Daily Leveraged ETP In December 2020, WMAI, WTMAML, WTUK and WisdomTree Ireland Limited were served with a writ of summons to appear before the Court of Milan, Italy, and in January 2021, WTUK was served with a writ of summons to appear before the Court of Udine, Italy. Investors had filed actions seeking approximately €9,000 ($10,565), in the aggregate, resulting from the closure of the WisdomTree WTI Crude Oil 3x Daily Leveraged ETP (“3OIL”) in March 2020. The product was dependent on the receipt of payments from a swap provider to satisfy payment obligations to the investors. Due to an extreme adverse move in oil futures relative to the oil futures’ closing price, the swap contract underlying 3OIL was terminated by the swap provider, which resulted in the compulsory redemption of 3OIL, all in accordance with the prospectus. The Company is currently assessing these claims and an accrual has not been made with respect to these matters at March 31, 2021 and December 31, 2020.

Variable Interest Entities

Variable Interest Entities	3 Months Ended
	Mar. 31, 2021
Variable Interest Entities	14. Variable Interest Entities VIEs are entities with any of the following characteristics: (i) the entity does not have enough equity to finance its activities without additional financial support; (ii) the equity holders, as a group, lack the characteristics of a controlling financial interest; or (iii) the entity is structured with non-substantive Consolidation of a VIE is required for the party deemed to be the primary beneficiary, if any. The primary beneficiary is the party who has both (a) the power to direct the activities of a VIE that most significantly impact the entity’s economic performance and (b) an obligation to absorb losses of the entity or a right to receive benefits from the entity that could potentially be significant to the entity. The Company is not the primary beneficiary of the entity in which it has a variable interest as it does not have the power to direct the activities that most significantly impact the entity’s economic performance. Such power is conveyed through the entity’s board of directors and the Company does not have control over the board. The following table presents information about the Company’s variable interests in non-consolidated March 31, 2021 December 31, 2020 Carrying Amount – Assets (Securrency) Preferred stock – Series A Shares $ 8,349 $ 8,112 Preferred stock – Series B Shares 5,500 — Total (Note 7) $ 13,849 $ 8,112 Maximum exposure to loss $ 13,849 $ 8,112

Revenues from Contracts with Cu

Revenues from Contracts with Customers	3 Months Ended
	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer	15. Revenues from Contracts with Customers The following table presents the Company’s total revenues from contracts with customers: Three Months Ended March 31, 2021 March 31, 2020 Revenues from contracts with customers: Advisory fees $ 71,616 $ 62,950 Other 1,214 924 Total operating revenues $ 72,830 $ 63,874 The Company recognizes revenues from contracts with customers when the performance obligation is satisfied, which is when the promised goods or services are transferred to the customer. A good or service is considered to be transferred when the customer obtains control, which is represented by the transfer of rights with regard to the good or service. Transfer of control happens either over time or at a point in time. When a performance obligation is satisfied over time, an entity is required to select a single method of measuring progress for each performance obligation that depicts the entity’s performance in transferring control of goods or services to the customer. Substantially all the Company’s revenues from contracts with customers are derived primarily from investment advisory agreements with related parties (Note 16). These advisory fees are recognized over time, are earned from the Company’s ETPs and are calculated based on a percentage of the ETPs’ average daily net assets. There is no significant judgment in calculating amounts due which are invoiced monthly in arrears and are not subject to any potential reversal. Progress is measured using the practical expedient under the output method resulting in the recognition of revenue in the amount for which the Company has a right to invoice. There are no contract assets or liabilities that arise in connection with the recognition of advisory fee revenue. In addition, there are no costs incurred to obtain or fulfill the contracts with customers, all of which are investment advisory agreements with related parties. Geographic Distribution of Revenue The following table presents the Company’s total revenues geographically as determined by where the respective management companies reside: Three Months Ended March 31, 2021 March 31, 2020 Revenues from contracts with customers: United States $ 40,699 $ 39,870 Jersey 29,990 22,525 Ireland 2,141 1,114 Canada (Note 22) — 365 Total operating revenues $ 72,830 $ 63,874

Related Party Transactions

Related Party Transactions	3 Months Ended
	Mar. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions	16. Related Party Transactions The Company’s revenue s non-distribution 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: March 31, December 31, Receivable from WTT $ 14,347 $ 13,030 Receivable from ManJer Issuers 11,134 11,693 Receivable from WMAI and WTI 1,777 2,125 Receivable from WTCS — 36 Total $ 27,258 $ 26,884 The allowance for credit losses on accounts receivable from related parties is insignificant when applying historical loss rates, adjusted for current conditions and supportable forecasts, to the amounts outstanding in the table above. Amounts outstanding are all invoiced in arrears, are less than 30 days aged and are collected shortly after the applicable reporting period. The following table summarizes revenues from advisory services provided to related parties: Three Months Ended March 31, March 31, Advisory services provided to WTT $ 40,536 $ 39,601 Advisory services provided to ManJer Issuers 27,045 20,258 Advisory services provided to WMAI and WTI 4,035 2,528 Advisory services provided to WTAMC — 365 Advisory services provided to WTCS — 198 Total $ 71,616 $ 62,950 The Company also has investments in certain WisdomTree ETFs of approximately $23,626 and $23,932 at March 31, 2021 and December 31, 2020, respectively. Losses related to trading WisdomTree ETFs during the three months ended March 31, 2021 and 2020 were $384 and $290, respectively, which are recorded in other losses, net on the Consolidated Statements of Operations.

Stock-Based Awards

Stock-Based Awards	3 Months Ended
	Mar. 31, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Awards	17. Stock-Based Awards On June 20, 2016, the Company’s stockholders approved a new equity award plan under which the Company can issue up to 10,000,000 shares of common stock (less one share for every share granted under prior plans since March 31, 2016 and inclusive of shares available under the prior plans as of March 31, 2016) in the form of stock options and other stock-based awards. The Company grants equity awards to employees and directors which include restricted stock awards (“RSAs”), restricted stock units (“RSUs”), performance-based restricted stock units (“PRSUs”) and stock options. Certain awards described below are subject to acceleration under certain conditions. Stock options: Generally issued for terms of ten years and may vest after at least one year of service and have an exercise price equal to RSAs/RSUs: Awards are valued based on the Company’s stock price on grant date and generally vest ratably over three years. PRSUs: These awards cliff vest three years from the grant date and contain a market condition whereby the number of PRSUs ultimately vesting is tied to how the Company’s total shareholder return (“TSR”) compares to a peer group of other publicly traded asset managers over the three-year period. A Monte Carlo simulation is used to value these awards. The number of PRSUs vesting ranges from 0% to 200% of the target number of PRSUs granted, as follows: •   If the relative TSR is below the 25th percentile, then 0% of the target number of PRSUs granted will vest; •   If the relative TSR is at the 25th percentile, then 50% of the target number of PRSUs granted will vest; and •   If the relative TSR is above the 25th percentile, then linear scaling is applied such that the percent of the target number of PRSUs vesting is 100% at the 50th percentile and capped at 200% of the target number of PRSUs granted for performance at the 85th percentile (or 100th percentile for grants made during 2019 and 2020). Stock-based compensation expense during A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows: March 31, 2021 Unrecognized Stock- Average Employees and directors $ 16,488 1.70 A summary of stock-based compensation award activity during the three months ended March 31, 2021 is as follows: Stock RSAs RSUs PRSUs Balance at January 1, 2021 305,000 3,580,743 39,408 341,312 Granted — 1,501,123 29,389 257,043 (1) Exercised/vested (75,000 ) (1,243,763 ) (15,136 ) — Forfeitures (115,000 ) (7,302 ) — — Balance at March 31, 2021 115,000 3,830,801 53,661 598,355 (1) Represents the target number of PRSUs granted and outstanding. The number of PRSUs that ultimately vest ranges from 0% to 200% of this amount. A Monte-Carlo simulation was used to value these awards using the following assumptions for the Company and the peer group: (i) beginning 90-day

Earnings Per Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Earnings Per Share	18. Earnings Per Share The following tables set forth reconciliations of the basic and diluted earnings per share computations for the periods presented: Three Months Ended March 31, 2021 2020 Basic Earnings/(Loss) per Share Net income/(loss) $ 15,147 $ (8,638 ) Less: Income distributed to participating securities (558 ) (555 ) Less: Undistributed income allocable to participating securities (1,152 ) — Net income/(loss) available to common stockholders – Basic EPS $ 13,437 $ (9,193 ) Weighted average common shares (in thousands) 145,649 152,519 Basic earnings/(loss) per share $ 0.09 $ (0.06 ) Three Months Ended March 31, 2021 2020 Diluted Earnings/(Loss) per Share Net income/(loss) available to common stockholders $ 13,437 $ (9,193 ) Add back: Undistributed income allocable to participating securities 1,152 — Less: Reallocation of undistributed income allocable to participating securities considered potentially dilutive (1,152 ) (— ) Net income/(loss) available to common stockholders – Diluted EPS $ 13,437 $ (9,193 ) Weighted Average Diluted Shares (in thousands) Weighted average common shares 145,649 152,519 Dilutive effect of common stock equivalents, excluding participating securities 121 — Weighted average diluted shares, excluding participating securities (in thousands) 145,770 152,519 Diluted earnings/(loss) per share $ 0.09 $ (0.06 ) Diluted earnings/(loss) per share presented above is calculated using the two-class non-participating The following table reconciles weighted average diluted shares as reported on the Company’s Consolidated Statements of Operations for the three months ended March 31, 2021 and 2020, which are determined pursuant to the treasury stock method, to the weighted average diluted shares used to calculate diluted earnings/(loss) per share as disclosed in the table above: Three Months Ended March 31, Reconciliation of Weighted Average Diluted Shares (in thousands) 2021 2020 Weighted average diluted shares as disclosed on the consolidated statements of operations 161,831 152,519 (1) Less: Participating securities: Weighted average shares of common stock issuable upon conversion of the Preferred Shares (Note 11) (14,750 ) — Potentially dilutive restricted stock awards (1,311 ) — Weighted average diluted shares used to calculate diluted earnings/(loss) per share e 145,770 152,519 (1) Excludes 15,025 participating securities and 16 potentially dilutive non-participating

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	19. Income Taxes Effective Income Tax Rate – Three Months Ended March 31, 2021 and March 31, 2020 The Company’s effective income tax rate for the three months ended March 31, 2021 of negative 14.9% resulted in an income tax benefit of $1,969. The Company’s effective income tax rate differs from the federal statutory tax rate of 21% primarily due to a $5,171 reduction in unrecognized tax benefits, a non-taxable The Company’s effective income tax rate for the three months ended March 31, 2020 of 21.5% resulted in an income tax benefit of $2,371. The Company’s effective income tax rate differs from the federal statutory tax rate of 21% primarily due to a $5,981 reduction in unrecognized tax benefits, a $2,877 non-taxable recognized upon the non-deductible Deferred Tax Assets A summary of the components of the Company’s deferred tax assets at March 31, 2021 and December 31, 2020 are as follows: March 31, 2021 December 31, 2020 Deferred tax assets: Capital losses $ 16,596 $ 16,596 Operating lease liabilities 4,851 4,953 Interest carryforwards 2,184 2,235 NOLs – Foreign 2,084 2,167 Goodwill and intangible assets 1,418 1,466 Accrued expenses 1,363 3,507 Stock-based compensation 1,195 1,922 NOLs – U.S. 382 510 Outside basis differences 122 122 Other 263 111 Deferred tax assets 30,458 33,589 Deferred tax liabilities: Right of use assets – operating leases 3,848 3,927 Fixed assets and prepaid assets 1,234 1,261 Foreign currency translation adjustment 262 293 Unremitted earnings – International subsidiaries 97 138 Allocated equity component of convertible notes — 1,022 Deferred tax liabilities 5,441 6,641 Total deferred tax assets less deferred tax liabilities 25,017 26,948 Less: valuation allowance (18,802 ) (18,885 ) Deferred tax assets, net $ 6,215 $ 8,063 Net Operating and Capital Losses – U.S. The Company’s tax effected net operating losses (“NOLs”) at March 31, 2021 were $382 which expire in 2024. The net operating loss carryforwards have been reduced by the impact of annual limitations described in the Internal Revenue Code Section 382 that arose as a result of an ownership change. The Company’s tax effected capital losses were $16,596 at March 31, 2021 and December 31, 2020. These capital losses expire between the years 2023 and 2025. Net Operating Losses – International One of the Company’s European subsidiary’s generated NOLs outside the U.S. These tax effected NOLs, all of which are carried forward indefinitely, were $ and $ at March , and December , , respectively. Valuation Allowance The Company’s valuation allowance has been established on its net capital losses, international net operating losses and outside basis differences as it is more-likely-than-not Uncertain Tax Positions Tax positions are evaluated utilizing a two-step more-likely-than-not In connection with the ETFS Acquisition, the Company accrued a liability for uncertain tax positions and interest and penalties at the acquisition date. The table below sets forth the aggregate changes in the balance of these gross unrecognized tax benefits during the three months ended March 31, 2021: Total Unrecognized Interest and Balance on January 1, 2021 $ 27,016 $ 21,850 $ 5,166 Decrease - Lapse of statute of limitations (1) (5,171 ) (3,559 ) (1,612 ) Increases 39 — 39 Foreign currency translation (2) 338 273 65 Balance at March 31, 2021 $ 22,222 $ 18,564 $ 3,658 (1) Recorded as an income tax benefit of $5,171 during the three months ended March 31, 2021, along with an equal and offsetting amount recorded in other losses, net, to recognize a reduction in the indemnification asset. During the three months ended March 31, 2020, an income tax benefit of $5,981 was recorded along with an equal and offsetting amount in other losses, net. (2) The gross unrecognized tax benefits were accrued in British pounds. The Company also recorded an offsetting indemnification asset provided by ETFS Capital as part of its agreement to indemnify the Company for any potential claims, for which an amount is being held in escrow. ETFS Capital has also agreed to provide additional collateral by maintaining a minimum working capital balance up to a stipulated amount. The gross unrecognized tax benefits and interest and penalties totaling $22,222 at March 31, 2021 are included in other non-current At March 31, 2021, there were $22,222 of unrecognized tax benefits (including interest and penalties) that, if recognized, would impact the effective tax rate. The recognition of any unrecognized tax benefits would result in an equal and offsetting adjustment to the indemnification asset which would be recorded in income before taxes due to the indemnity for any potential claims. Income Tax Examinations The Company is subject to U.S. federal income tax as well as income tax of multiple state, local and certain foreign jurisdictions. The Company’s federal tax return for the year ended December 31, 2016 and ManJer’s tax returns (a Jersey-based subsidiary) for the years ended December 31, 2014 through 2016 are currently under review by the relevant tax authorities. The Company is indemnified by ETFS Capital for any potential exposure associated with ManJer’s tax return under audit. The Company is not currently under audit in any other income tax jurisdictions. As of March 31, 2021, with few exceptions, the Company was no longer subject to income tax examinations by any taxing authority for years before 2016. Undistributed Earnings of Foreign Subsidiaries ASC 740-30 Income Taxes, provides guidance that US companies do not need to recognize tax effects on foreign earnings that are indefinitely reinvested. The Company repatriates earnings of its foreign subsidiaries and therefore has recognized a deferred tax liability of

Shares Repurchased

Shares Repurchased	3 Months Ended
	Mar. 31, 2021
Equity [Abstract]
Shares Repurchased	20. Shares Repurchased On April 24, 2019, the Company’s Board of Directors extended the term of the Company’s share repurchase program for three years through April 27, 2022. Included under this program are purchases to offset future equity grants made under the Company’s equity plans and purchases made in open market or privately negotiated transactions. This authority may be exercised from time to time, subject to regulatory considerations. The timing and actual number of shares repurchased will depend on a variety of factors including price, corporate and regulatory requirements, market conditions and other corporate liquidity requirements and priorities. The repurchase program may be suspended or terminated at any time without prior notice. Shares repurchased under this program are returned to the status of authorized and unissued on the Company’s books and records. During the three months ended March 31, 2021 and March 31, 2020, the Company repurchased 489,763 shares and 385,399 shares of its common stock, respectively, under this program for an aggregate cost of $2,630 and $1,495, respectively. Shares repurchased under this program were returned to the status of authorized and unissued on the Company’s books and records. As of March 31, 2021, $49,561 remained under this program for future purchases.

Goodwill and Intangible Assets

Goodwill and Intangible Assets	3 Months Ended
	Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	21. Goodwill and Intangible Assets Goodwill The table below sets forth goodwill which is tested annually for impairment on November 30 th Total Balance at January 1, 2021 $ 85,856 Changes — Balance at March 31, 2021 $ 85,856 Goodwill arising from the ETFS Acquisition of $84,057 is not deductible for tax purposes as the acquisition was structured as a stock acquisition occurring in the UK. The remainder of the goodwill is deductible for U.S. tax purposes. Intangible Assets (Indefinite-Lived) The table below sets forth the Company’s intangible assets which are tested annually for impairment on November 30 th Total Balance at January 1, 2021 $ 601,247 Changes — Balance at March 31, 2021 $ 601,247 ETFS In connection with the ETFS Acquisition, which was completed on April 11, 2018, the Company identified intangible assets valued at $601,247 related to the right to manage AUM through customary advisory agreements. The intangible assets were determined to have indefinite useful lives and are not deductible for tax purposes.

Contingent Payments

Contingent Payments	3 Months Ended
	Mar. 31, 2021
Contingent Payments [Abstract]
Contingent Payments	22. Contingent Payments The Company recognizes contingent payments when the contingency is resolved and the gain is realized. AdvisorEngine – Sale of Financial Interests On May 4, 2020, the Company closed a transaction to exit its investment in AdvisorEngine. The fair value of upfront consideration paid to the Company was $9,592. Consideration also included contingent payments totaling up to $10,408 which will be payable only upon AdvisorEngine achieving certain revenue milestones during the first through fourth anniversaries of such exit. No value has been ascribed to these contingent payments at March 31, 2021 and December 31, 2020. During the three months ended March 31, 2020, the Company recognized an impairment of $19,672 to adjust the carrying value of its previously held financial interests in AdvisorEngine to fair value. In the following quarter, the Company subsequently recognized a gain of $1,093 arising from an adjustment to the estimate fair value of consideration received. These fair value adjustments were based upon the final sale terms as disclosed above. Sale of Canadian ETF Business On February 19, 2020, the Company completed the sale of all the outstanding shares of WTAMC to CI Financial Corp. The Company received CDN $3,720 (USD $2,774) in cash at closing and will receive additional cash consideration of CDN $2,000 to $8,000, depending on the achievement of certain AUM growth targets over the next three years. The Company recorded CDN $2,000 in other receivables on the Consolidated Statements of Financial Condition at March 31, 2021 and December 31, 2020. In connection with this sale, the Company recognized a gain of $2,877 during the three months ended March 31, 2020 which was recorded in other losses, net on the Consolidated Statements of Operations. This gain represents the difference between the minimum cash consideration payable to the Company and the carrying value of WTAMC’s net assets upon disposition.

Subsequent Events

Subsequent Events	3 Months Ended
	Mar. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	23. Subsequent Events The Company evaluated subsequent events through the date of issuance of the accompanying financial statements. There were no events requiring disclosure.

Significant Accounting Polici_2

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation These consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) and in the opinion of management reflect all adjustments, consisting of only normal recurring adjustments, necessary for a fair statement of financial condition, results of operations, and cash flows for the periods presented. The consolidated financial statements include the accounts of the Company’s wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.
Consolidation	Consolidation The Company consolidates entities in which it has a controlling financial interest. The Company determines whether it has a controlling financial interest in an entity by first evaluating whether the entity is a voting interest entity (“VOE”) or a variable interest entity (“VIE”). The usual condition for a controlling financial interest in a VOE is ownership of a majority voting interest. If the Company has a majority voting interest in a VOE, the entity is consolidated. The Company has a controlling financial interest in a VIE when the Company has a variable interest that provides it with (i) the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. The Company reassesses its evaluation of whether an entity is a VIE when certain reconsideration events occur.
Segment and Geographic Information	Segment and Geographic Information The Company, through its subsidiaries in the U.S. and Europe, conducts business as a single operating segment as an ETP sponsor and asset manager which is based upon the Company’s current organizational and management structure, as well as information used by the chief operating decision maker to allocate resources and other factors.
Foreign Currency Translation	Foreign Currency Translation Assets and liabilities of subsidiaries whose functional currency is not the U.S. dollar are translated based on the end of period exchange rates from local currency to U.S. dollars. Results of operations are translated at the average exchange rates in effect during the period. The impact of the foreign currency translation adjustment is included in the Consolidated Statements of Comprehensive Income/(Loss) as a component of other comprehensive income/(loss).
Use of Estimates	Use of Estimates The preparation of the Company’s consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the balance sheet dates and the reported amounts of revenues and expenses for the periods presented. Actual results could differ materially from those estimates.
Revenue Recognition	Revenue Recognition The Company earns substantially all of its revenue in the form of advisory fees from its ETPs and recognizes this revenue over time, as the performance obligation is satisfied. Advisory fees are based on a percentage of the ETPs’ average daily net assets. Progress is measured using the practical expedient under the output method resulting in the recognition of revenue in the amount for which the Company has a right to invoice.
Contractual Gold Payments	Contractual Gold Payments Contractual gold payments are measured and paid monthly based upon the average daily spot price of gold (Note 9).
Marketing and Advertising	Marketing and Advertising Marketing and advertising costs, including media advertising and production costs, are expensed when incurred.
Depreciation and Amortization	Depreciation and Amortization Depreciation is provided for using the straight-line method over the estimated useful lives of the related assets as follows: Equipment 5 years Furniture and fixtures 15 years Leasehold improvements are amortized over the term of their respective leases or service lives of the improvements, whichever is shorter. Fixed assets are recorded at cost less accumulated depreciation and amortization.
Stock-Based Awards	Stock-Based Awards Accounting for stock-based compensation requires the measurement and recognition of compensation expense for all equity awards based on estimated fair values. Stock-based compensation is measured based on the grant-date fair value of the award and is amortized over the relevant service period. Forfeitures are recognized when they occur.
Third-Party Distribution Fees	Third-Party Distribution Fees The Company pays a percentage of its advisory fee revenues based on incremental growth in assets under management (“AUM”), subject to caps or minimums, to marketing agents to sell WisdomTree ETFs and for including WisdomTree ETFs on third-party customer platforms and recognizes these expenses as incurred.
Cash and Cash Equivalents	Cash and Cash Equivalents The Company considers all highly liquid investments with an original maturity of 90 days or less at the time of purchase to be classified as cash equivalents. The Company maintains deposits with financial institutions in an amount that is in excess of federally insured limits.
Accounts Receivable	Accounts Receivable Accounts receivable are customer and other obligations due under normal trade terms. The Company measures credit losses, if any, by applying historical loss rates, adjusted for current conditions and reasonable and supportable forecasts to amounts outstanding using the aging method.
Impairment of Long-Lived Assets	Impairment of Long-Lived Assets The Company performs a review for the impairment of long-lived assets when events or changes in circumstances indicate that the estimated undiscounted future cash flows expected to be generated by the assets are less than their carrying amounts or when other events occur which may indicate that the carrying amount of an asset may not be recoverable.
Securities Owned and Securities Sold, but not yet Purchased (at fair value)	Securities Owned and Securities Sold, but not yet Purchased (at fair value) Securities owned and securities sold, but not yet purchased are securities classified as either trading or available-for-sale (“AFS”). These securities are recorded on their trade date and are measured at fair value. All equity securities are classified by the Company as trading. Debt securities are classified based primarily on the Company’s intent to hold or sell the security. Changes in the fair value of debt securities classified as trading and AFS are reported in other income and other comprehensive income, respectively, in the period the change occurs. Debt securities classified as AFS are assessed for impairment on a quarterly basis and an estimate for credit loss is provided when the fair value of the AFS debt security is below its amortized cost basis. Credit-related impairments are recognized in earnings with a corresponding adjustment to the security’s amortized cost basis if the Company intends to sell the impaired AFS debt security or it is more likely than not the Company will be required to sell the security before recovering its amortized cost basis. Other credit-related impairments are recognized as an allowance with a corresponding adjustment to earnings. Impairments resulting from noncredit-related factors are recognized in other comprehensive income. Amounts recorded in other comprehensive income are reclassified into earnings upon sale of the AFS debt security using the specific identification method.
Securities Held-to-Maturity	Securities Held-to-Maturity The Company accounts for certain of its securities as held-to-maturity held-to-maturity more-likely-than-not Held-to-maturity non-accrual held-to-maturity non-accrual The Company reviews its portfolio of held-to-maturity Investments in pass-through government-sponsored enterprises (“GSEs”) are determined to have an estimated loss rate of zero due to an implicit U.S. government guarantee.
Investments	Investments The Company accounts for equity investments that do not have a readily determinable fair value under the measurement alternative prescribed within Accounting Standards Update (“ASU”) 2016-01, Financial Instruments – Recognition and Measurement of Financial Assets and Financial Liabilities
Goodwill	Goodwill Goodwill is the excess of the purchase price over the fair values of the identifiable net assets at the acquisition date. The Company tests goodwill for impairment at least annually and at the time of a triggering event requiring re-evaluation, Goodwill is allocated to the Company’s U.S. Business and European Business components. For impairment testing purposes, these components are aggregated as a single reporting unit as they fall under the same operating segment and have similar economic characteristics. Goodwill is assessed for impairment annually on November 30 th
Intangible Assets	Intangible Assets Indefinite-lived intangible assets are tested for impairment at least annually and are also reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Indefinite-lived intangible assets are impaired if their estimated fair values are less than their carrying values. Finite-lived intangible assets, if any, are amortized over their estimated useful life, which is the period over which the assets are expected to contribute directly or indirectly to the future cash flows of the Company. These intangible assets are tested for impairment at the time of a triggering event, if one were to occur. Finite-lived intangible assets may be impaired when the estimated undiscounted future cash flows generated from the assets are less than their carrying amounts. The Company may rely on a qualitative assessment when performing its intangible asset impairment test. Otherwise, the impairment evaluation is performed at the lowest level of reasonably identifiable cash flows independent of other assets. The annual impairment testing date for all of the Company’s intangible assets is November 30 th
Leases	Leases The Company accounts for its lease obligations in accordance with Accounting Standards Codification (“ASC”) Topic 842, Leases right-of-use right-of-use ASC 842 also provides a practical expedient which allows for consideration in a contract to be accounted for as a single lease component rather than allocated between lease and non-lease
Deferred Consideration - Gold Payments	Deferred Consideration – Gold Payments Deferred consideration represents the present value of an obligation to pay gold to a third party into perpetuity and is measured using forward-looking gold prices observed on the CMX exchange, a selected discount rate and perpetual growth rate (Note 9). Changes in the fair value of this obligation are reported as gain/(loss) on revaluation of deferred consideration – gold payments on the Company’s Consolidated Statements of Operations.
Convertible Notes	Convertible Notes Convertible notes are carried at amortized cost, net of issuance costs. Effective January 1, 2021, the Company early adopted ASU 2020-06 Debt – Debt with Conversion and Other Options 2020-06 paid-in
Contingencies	Contingencies The Company may be subject to reviews, inspections and investigations by regulatory authorities as well as legal proceedings arising in the ordinary course of business. The Company evaluates the likelihood of an unfavorable outcome of all legal or regulatory proceedings to which it is a party and accrues a loss contingency when the loss is probable and reasonably estimable.
Contingent Payments	Contingent Payments The Company recognizes contingent payments when the contingency is resolved and the gain is realized.
Earnings per Share	Earnings per Share Basic earnings per share (“EPS”) is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Net income available to common stockholders represents net income of the Company reduced by an allocation of earnings to participating securities. The Series A non-voting non-forfeitable two-class Diluted EPS is calculated under the treasury stock method and the two-class non-voting non-voting m if-converted
Income Taxes	Income Taxes The Company accounts for income taxes using the liability method, which requires the determination of deferred tax assets and liabilities based on the differences between the financial and tax bases of assets and liabilities using the enacted tax rates in effect for the year in which differences are expected to reverse. Deferred tax assets are reduced by a valuation allowance if, based on the weight of available evidence, it is more-likely-than-not Tax positions are evaluated utilizing a two-step more-likely-than-not The Global Intangible Low-Taxed Non-income
Recently Adopted Accounted Pronouncements	Recently Adopted Accounting Pronouncements On January 1, 202 1 2020-06, Debt – Debt with Conversion and Other Options 2020-06) earnings-per-share ASU, paid-in capital On January 1, 2021, the Company adopted ASU 2019-12, Income Taxes (Topic 740) – Simplifying the Accounting for Income Taxes 2019-12). year-to-date t non-income-based

Significant Accounting Polici_3

Significant Accounting Policies (Tables)	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Schedule of Estimated Useful Lives of Related Assets	Depreciation is provided for using the straight-line method over the estimated useful lives of the related assets as follows: Equipment 5 years Furniture and fixtures 15 years

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Summary of Categorization of Assets and Liabilities Measured at Fair Value	The tables below summarize the categorization of the Company’s assets and liabilities measured at fair value. During the three months ended March 31, 2021 and 2020 there were no transfers between Levels 2 and 3. March 31, 2021 Total Level 1 Level 2 Level 3 Assets: Recurring fair value measurements: Cash equivalents $ 502 $ 502 $ — $ — Securities owned, at fair value ETFs 23,862 23,862 — — Pass-through GSEs 8,832 — 8,832 — Corporate bonds 2,077 — 2,077 — Total $ 35,273 $ 24,364 $ 10,909 $ — Non-recurring Securrency, Inc. – Series A convertible preferred stock (1) $ 8,349 $ — $ — $ 8,349 Liabilities: Recurring fair value measurements: Deferred consideration (Note 9) $ 227,146 $ — $ — $ 227,146 (1) Fair value determined on March 8, 2021 (Note 7). December 31, 2020 Total Level 1 Level 2 Level 3 Assets: Recurring fair value measurements: Cash equivalents $ 660 $ 660 $ — $ — Securities owned, at fair value ETFs 24,165 24,165 — — Pass-through GSEs 8,613 — 8,613 — Corporate bonds 2,117 — 2,117 — Total $ 35,555 $ 24,825 $ 10,730 $ — Non-recurring AdvisorEngine Inc. (“AdvisorEngine”) – Financial interests (1) $ — $ — $ — $ — Thesys Group, Inc. (“Thesys”) – Series Y Preferred Stock (1) — — — — Total $ — $ — $ — $ — Liabilities: Recurring fair value measurements: Deferred consideration (Note 12) $ 230,137 $ — $ — $ 230,137 Non-recurring Convertible notes (2) $ 170,191 $ — $ 170,191 $ — (1) The fair value of the AdvisorEngine financial interests of $9,592 was determined on May 4, 2020, the date in which these financial interests were sold (Note 22). Thesys was written down to zero on September 30, 2020. (2) Fair value of $145,847 and $24,344 determined on June 16, 2020 and August 13, 2020, respectively (Note 10).
Summary of Reconciliation of Recurring Fair Value Measurements	The following table presents a reconciliation of beginning and ending balances of recurring fair value measurements classified as Level 3: Three Months Ended March 31, 2021 2020 Deferred consideration (Note 9) Beginning balance $ 230,137 $ 173,024 Net realized losses (1) 4,270 3,760 Net unrealized (gains)/losses (2) (2,832 ) 2,208 Settlements (4,429 ) (3,692 ) Ending balanc e $ 227,146 $ 175,300 (1) Recorded as contractual gold payments expense on the Company’s Consolidated Statements of Operations. (2) Recorded as gain/(loss) on revaluation of deferred consideration – gold payments on the Company’s Consolidated Statements of Operations.

Securities Owned (Tables)

Securities Owned (Tables)	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Schedule of Securities Owned	These securities consist of the following: March 31, 2021 December 31, Securities Owned Trading securities $ 34,771 $ 34,895

Securities Held-to-Maturity (Ta

Securities Held-to-Maturity (Tables)	3 Months Ended
	Mar. 31, 2021
Text Block [Abstract]
Schedule of Securities Held-to-Maturity	The following table is a summary of the Company’s securities held-to-maturity: March 31, 2021 December 31, 2020 Debt instruments: Pass-through GSEs (amortized cost) $ 411 $ 451
Schedule of Unrealized Gains, Losses and Fair Value of Securities Held-to-Maturity	The following table summarizes unrealized gains, losses, and fair value (classified as Level 2 within the fair value hierarchy) of securities held-to-maturity: March 31, 2021 December 31, 2020 Cost/amortized cost $ 411 $ 451 Gross unrealized gains 20 30 Gross unrealized losses (1 ) (12 ) Fair value $ 430 $ 469
Schedule of Maturity Profile of Securities Held-to-Maturity	The following table sets forth the maturity profile of the securities held-to-maturity; March 31, 2021 December 31, 2020 Due within one year $ — $ — Due one year through five years — — Due five years through ten years — — Due over ten years 411 451 Total $ 411 $ 451

Investments (Tables)

Investments (Tables)	3 Months Ended
	Mar. 31, 2021
Investment [Line Items]
Investments	The following table sets forth the Company’s investments: March 31, 2021 December 31, 2020 Carrying Cost Carrying Cost Securrency, Inc. – Series A convertible preferred stock $ 8,349 $ 8,112 $ 8,112 $ 8,112 Securrency, Inc. – Series B convertible preferred stock 5,500 5,500 — — Total $ 13,849 $ 13,612 $ 8,112 $ 8,112
Summary of table below presents the inputs used in backsolve valuation approach as follows;	The table below presents the inputs used in backsolve valuation approach (classified as Level 3 in the fair value hierarchy): Inputs (Initial Recognition – March 8, 2021) Expected volatility 55 % Time to exit (in years) 5

Fixed Assets, net (Tables)

Fixed Assets, net (Tables)	3 Months Ended
	Mar. 31, 2021
Property, Plant and Equipment [Abstract]
Schedule of Fixed Assets	The following table summarizes fixed assets: March 31, 2021 December 31, 2020 Equipment $ 2,959 $ 2,836 Furniture and fixtures 2,225 2,225 Leasehold improvements 11,021 11,012 Less: accumulated depreciation and amortization (8,773 ) (8,494 ) Total $ 7,432 $ 7,579

Deferred Consideration (Tables)

Deferred Consideration (Tables)	3 Months Ended
	Mar. 31, 2021
Text Block [Abstract]
Summary of valuation of deferred consideration	The Company determined the present value of the deferred consideration of $227,146 and $230,137 at March 31, 2021 and December 31, 2020 using the following assumptions: March 31, 2021 December 31, 2020 Forward-looking gold price (low) – per ounce $ 1,717 $ 1,903 Forward-looking gold price (high) – per ounce $ 3,201 $ 2,662 Forward-looking gold price (weighted average) – per ounce $ 2,136 $ 2,117 Discount rate 9.0 % 9.0 % Perpetual growth rate 1.7 % 0.9 %
Schedule of Deferred Consideration	During the three months ended March 31, 2021 and 2020, the Company recognized the following in respect of deferred consideration: Three Months Ended March 31, 2021 2020 Contractual Gold Payments $ 4,270 $ 3,760 Contractual Gold Payments – gold ounces paid 2,375 2,375 Gain/(loss) on revaluation of deferred consideration – gold payments(1) $ 2,832 $ (2,208 ) (1) Gains on revaluation of deferred consideration – gold payments result from a decrease in spot gold prices, a decrease in the forward-looking price of gold, a decrease in the perpetual growth rate and an increase in the discount rate used to compute the present value of the annual payment obligations. Losses on revaluation of deferred consideration – gold payments result from an increase in spot gold prices, an increase in the forward-looking price of gold, an increase in the perpetual growth rate and a decrease in the discount rate used to compute the annual payment obligations.

Convertible Notes (Table)

Convertible Notes (Table)	3 Months Ended
	Mar. 31, 2021
Debt Disclosure [Abstract]
Summary of the carrying value of the convertible notes	The following table provides a summary of the carrying value of the Convertible Notes at March 31, 2021 and December 31, 2020: March 31, 2021 December 31, 2020 Principal amount $ 175,000 $ 175,000 Plus: premium on Additional Notes 250 250 Gross proceeds 175,250 175,250 Less: Unamortized discount (1) — (4,207 ) Less: Unamortized issuance costs (1) (4,087 ) (4,397 ) Carrying amount $ 171,163 $ 166,646 Effective interest rate (2) 5.30 % 6.29 % (1) Unamortized discount was 2020-06 2020-06. (2) Includes amortization of the issuance costs allocated to the Convertible Notes and amortization of the premium associated with the Additional Notes. The effective interest rate prior to January 1, 2021 also included amortization of the discount arising from the bifurcation of the conversion option.

Preferred Shares (Tables)

Preferred Shares (Tables)	3 Months Ended
	Mar. 31, 2021
Equity [Abstract]
Summary of Preferred Share Balance	The following is a summary of the Preferred Share balance: March 31, 2021 December 31, 2020 Issuance of Preferred Shares $ 132,750 $ 132,750 Less: Issuance costs (181 ) (181 ) Preferred Shares – carrying value $ 132,569 $ 132,569

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2021
Lessee Disclosure [Abstract]
Schedule for Summary of Additional Information Related to Operating Lease	The following table provides additional information regarding the Company’s leases: Three Months Ended March 31, 2021 2020 Lease cost: Operating lease cost $ 697 $ 798 Short-term lease cost 295 342 Total lease cost $ 992 $ 1,140 Other information: Cash paid for amounts included in the measurement of operating liabilities (operating leases) $ 918 $ 926 Right-of-use n/a n/a Weighted-average remaining lease term (in years) – operating leases 8.9 9.2 Weighted-average discount rate – operating leases 6.3 % 6.3 %
Schedule of Future Minimum Lease Payments	The following table discloses future minimum lease payments at March 31, 2021 with respect to the Company’s operating lease liabilities: Remainder of 2021 $ 2,218 2022 2,958 2023 2,958 2024 3,037 2025 3,148 2026 and thereafter 11,456 Total future minimum lease payments (undiscounted) $ 25,775
Schedule for Supplemental Balance Sheet Information Related to Operating Lease	The following table reconciles the future minimum lease payments at March 31, 2021 (disclosed above) to the operating lease liabilities recognized in the Company’s Consolidated Balance Sheet: Amounts recognized in the Company’s Consolidated Balance Sheet Lease liability – short term $ 2,958 Lease liability – long term 17,012 Subtotal 19,970 Difference between undiscounted and discounted cash flows 5,805 Total future minimum lease payments (undiscounted) $ 25,775

Variable Interest Entities (Tab

Variable Interest Entities (Tables)	3 Months Ended
	Mar. 31, 2021
Summary of Information about Variable Interests	The following table presents information about the Company’s variable interests in non-consolidated March 31, 2021 December 31, 2020 Carrying Amount – Assets (Securrency) Preferred stock – Series A Shares $ 8,349 $ 8,112 Preferred stock – Series B Shares 5,500 — Total (Note 7) $ 13,849 $ 8,112 Maximum exposure to loss $ 13,849 $ 8,112

Revenues from Contracts with _2

Revenues from Contracts with Customers (Tables)	3 Months Ended
	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
Summary of Revenues from Contracts with Customers	The following table presents the Company’s total revenues from contracts with customers: Three Months Ended March 31, 2021 March 31, 2020 Revenues from contracts with customers: Advisory fees $ 71,616 $ 62,950 Other 1,214 924 Total operating revenues $ 72,830 $ 63,874
Summary of Geographic Distribution of Revenue	The following table presents the Company’s total revenues geographically as determined by where the respective management companies reside: Three Months Ended March 31, 2021 March 31, 2020 Revenues from contracts with customers: United States $ 40,699 $ 39,870 Jersey 29,990 22,525 Ireland 2,141 1,114 Canada (Note 22) — 365 Total operating revenues $ 72,830 $ 63,874

Related Party Transactions (Tab

Related Party Transactions (Tables)	3 Months Ended
	Mar. 31, 2021
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: March 31, December 31, Receivable from WTT $ 14,347 $ 13,030 Receivable from ManJer Issuers 11,134 11,693 Receivable from WMAI and WTI 1,777 2,125 Receivable from WTCS — 36 Total $ 27,258 $ 26,884
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 March 31, March 31, Advisory services provided to WTT $ 40,536 $ 39,601 Advisory services provided to ManJer Issuers 27,045 20,258 Advisory services provided to WMAI and WTI 4,035 2,528 Advisory services provided to WTAMC — 365 Advisory services provided to WTCS — 198 Total $ 71,616 $ 62,950

Stock-Based Awards (Tables)

Stock-Based Awards (Tables)	3 Months Ended
	Mar. 31, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period	A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows: March 31, 2021 Unrecognized Stock- Average Employees and directors $ 16,488 1.70
Summary of Stock-Based Compensation Activity	A summary of stock-based compensation award activity during the three months ended March 31, 2021 is as follows: Stock RSAs RSUs PRSUs Balance at January 1, 2021 305,000 3,580,743 39,408 341,312 Granted — 1,501,123 29,389 257,043 (1) Exercised/vested (75,000 ) (1,243,763 ) (15,136 ) — Forfeitures (115,000 ) (7,302 ) — — Balance at March 31, 2021 115,000 3,830,801 53,661 598,355 (1) Represents the target number of PRSUs granted and outstanding. The number of PRSUs that ultimately vest ranges from 0% to 200% of this amount. A Monte-Carlo simulation was used to value these awards using the following assumptions for the Company and the peer group: (i) beginning 90-day

Earnings Per Share (Tables)

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Reconciliation of Basic and Diluted Earnings Per Share	The following tables set forth reconciliations of the basic and diluted earnings per share computations for the periods presented: Three Months Ended March 31, 2021 2020 Basic Earnings/(Loss) per Share Net income/(loss) $ 15,147 $ (8,638 ) Less: Income distributed to participating securities (558 ) (555 ) Less: Undistributed income allocable to participating securities (1,152 ) — Net income/(loss) available to common stockholders – Basic EPS $ 13,437 $ (9,193 ) Weighted average common shares (in thousands) 145,649 152,519 Basic earnings/(loss) per share $ 0.09 $ (0.06 ) Three Months Ended March 31, 2021 2020 Diluted Earnings/(Loss) per Share Net income/(loss) available to common stockholders $ 13,437 $ (9,193 ) Add back: Undistributed income allocable to participating securities 1,152 — Less: Reallocation of undistributed income allocable to participating securities considered potentially dilutive (1,152 ) (— ) Net income/(loss) available to common stockholders – Diluted EPS $ 13,437 $ (9,193 ) Weighted Average Diluted Shares (in thousands) Weighted average common shares 145,649 152,519 Dilutive effect of common stock equivalents, excluding participating securities 121 — Weighted average diluted shares, excluding participating securities (in thousands) 145,770 152,519 Diluted earnings/(loss) per share $ 0.09 $ (0.06 )
Schedule of Weighted Average Number of Shares	The following table reconciles weighted average diluted shares as reported on the Company’s Consolidated Statements of Operations for the three months ended March 31, 2021 and 2020, which are determined pursuant to the treasury stock method, to the weighted average diluted shares used to calculate diluted earnings/(loss) per share as disclosed in the table above: Three Months Ended March 31, Reconciliation of Weighted Average Diluted Shares (in thousands) 2021 2020 Weighted average diluted shares as disclosed on the consolidated statements of operations 161,831 152,519 (1) Less: Participating securities: Weighted average shares of common stock issuable upon conversion of the Preferred Shares (Note 11) (14,750 ) — Potentially dilutive restricted stock awards (1,311 ) — Weighted average diluted shares used to calculate diluted earnings/(loss) per share e 145,770 152,519 (1) Excludes 15,025 participating securities and 16 potentially dilutive non-participating

Income Taxes (Tables)

Income Taxes (Tables)	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Summary of Deferred Tax Asset Recorded	A summary of the components of the Company’s deferred tax assets at March 31, 2021 and December 31, 2020 are as follows: March 31, 2021 December 31, 2020 Deferred tax assets: Capital losses $ 16,596 $ 16,596 Operating lease liabilities 4,851 4,953 Interest carryforwards 2,184 2,235 NOLs – Foreign 2,084 2,167 Goodwill and intangible assets 1,418 1,466 Accrued expenses 1,363 3,507 Stock-based compensation 1,195 1,922 NOLs – U.S. 382 510 Outside basis differences 122 122 Other 263 111 Deferred tax assets 30,458 33,589 Deferred tax liabilities: Right of use assets – operating leases 3,848 3,927 Fixed assets and prepaid assets 1,234 1,261 Foreign currency translation adjustment 262 293 Unremitted earnings – International subsidiaries 97 138 Allocated equity component of convertible notes — 1,022 Deferred tax liabilities 5,441 6,641 Total deferred tax assets less deferred tax liabilities 25,017 26,948 Less: valuation allowance (18,802 ) (18,885 ) Deferred tax assets, net $ 6,215 $ 8,063
Schedule of Changes in Balance of Gross Unrecognized Tax Benefits	The table below sets forth the aggregate changes in the balance of these gross unrecognized tax benefits during the three months ended March 31, 2021: Total Unrecognized Interest and Balance on January 1, 2021 $ 27,016 $ 21,850 $ 5,166 Decrease - Lapse of statute of limitations (1) (5,171 ) (3,559 ) (1,612 ) Increases 39 — 39 Foreign currency translation (2) 338 273 65 Balance at March 31, 2021 $ 22,222 $ 18,564 $ 3,658 (1) Recorded as an income tax benefit of $5,171 during the three months ended March 31, 2021, along with an equal and offsetting amount recorded in other losses, net, to recognize a reduction in the indemnification asset. During the three months ended March 31, 2020, an income tax benefit of $5,981 was recorded along with an equal and offsetting amount in other losses, net. (2) The gross unrecognized tax benefits were accrued in British pounds.

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Summary of Goodwill	The table below sets forth goodwill which is tested annually for impairment on November 30 th Total Balance at January 1, 2021 $ 85,856 Changes — Balance at March 31, 2021 $ 85,856
Summary of Indefinite-lived Intangible Assets	The table below sets forth the Company’s intangible assets which are tested annually for impairment on November 30 th Total Balance at January 1, 2021 $ 601,247 Changes — Balance at March 31, 2021 $ 601,247

Significant Accounting Polici_4

Significant Accounting Policies - Schedule of Estimated Useful Lives of Related Assets (Detail)	3 Months Ended
	Mar. 31, 2021
Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	15 years

Significant Accounting Polici_5

Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	Jan. 01, 2021	Mar. 31, 2021
Cash and cash equivalents maturity period, maximum		90 days
Short-term lease exception - Lease term		12 months
Accounting Standards Update 2020-06 [Member]
Reduction of interest expense per quarter	$ 420
Increase in retained earnings	616
Increase in carrying value of convertible notes	4,088
Decrease in additional paid in capital	3,682
Decrease in deferred tax liability	$ 1,022

Cash and Cash Equivalents - Add

Cash and Cash Equivalents - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Cash equivalents	$ 502	$ 660
Total cash and cash equivalents	62,302	73,425
US Office [Member]
Operating lease, standby letter of credit	1,384	1,384
Two Financial Institutions [Member]
Cash and cash equivalents	59,919	70,911
International Business Segment [Member]
Minimum level of regulatory net capital	$ 12,222	$ 10,745

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liquid investments, original maturities	90 days

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Categorization of Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 08, 2021	Dec. 31, 2020	Aug. 13, 2020	Jun. 16, 2020
Assets:
Securities owned, at fair value	$ 34,771		$ 34,895
Liabilities:
Deferred consideration (Note 12)	227,146		230,137
Fair Value, Measurements, Recurring [Member]
Assets:
Cash equivalents	502		660
Total	35,273		35,555
Liabilities:
Deferred consideration (Note 12)	227,146		230,137
Fair Value, Measurements, Recurring [Member] | Exchange Traded Funds [Member]
Assets:
Securities owned, at fair value	23,862		24,165
Fair Value, Measurements, Recurring [Member] | Federal Agency [Member]
Assets:
Securities owned, at fair value	8,832		8,613
Fair Value, Measurements, Recurring [Member] | All Other Corporate Bonds [Member]
Assets:
Securities owned, at fair value	2,077		2,117
Fair Value, Measurements, Nonrecurring [Member]
Assets:
AdvisorEngine Inc. – Financial interests			0
Investment owned, at fair value			0
Total			0
Liabilities:
Convertible notes			170,191	$ 24,344	$ 145,847
Fair Value, Measurements, Nonrecurring [Member] | Series A convertible preferred stock [Member]
Assets:
Investment owned, at fair value	8,349	$ 8,349
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Cash equivalents	502		660
Total	24,364		24,825
Liabilities:
Deferred consideration (Note 12)			0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Exchange Traded Funds [Member]
Assets:
Securities owned, at fair value	23,862		24,165
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets:
AdvisorEngine Inc. – Financial interests			0
Investment owned, at fair value			0
Total			0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total	10,909		10,730
Liabilities:
Deferred consideration (Note 12)			0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Federal Agency [Member]
Assets:
Securities owned, at fair value	8,832		8,613
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | All Other Corporate Bonds [Member]
Assets:
Securities owned, at fair value	2,077		2,117
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets:
AdvisorEngine Inc. – Financial interests			0
Investment owned, at fair value			0
Total			0
Liabilities:
Convertible notes			170,191
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Cash equivalents			0
Total			0
Liabilities:
Deferred consideration (Note 12)	227,146		230,137
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets:
AdvisorEngine Inc. – Financial interests			0
Investment owned, at fair value			0
Total			$ 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Series A convertible preferred stock [Member]
Assets:
Investment owned, at fair value	$ 8,349

Fair Value Measurements - Sum_2

Fair Value Measurements - Summary of Categorization of Assets and Liabilities Measured at Fair Value (Parenthetical) (Detail) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2020	Sep. 30, 2020	Aug. 13, 2020	Jun. 16, 2020	May 04, 2020
Fair value of convertible notes	$ 170,191		$ 24,344	$ 145,847
Advisor Engine [Member]
Fair value of financial interest disposed off					$ 9,592
Thesys Group, Inc [Member]
Fair value of financial interest		$ 0

Fair Value Measurements - Sum_3

Fair Value Measurements - Summary of Reconciliation of Recurring Fair Value Measurements (Detail) - Deferred Consideration Obligation [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 230,137	$ 173,024
Net realized losses	4,270	3,760
Net unrealized losses	(2,832)	2,208
Settlements	(4,429)	(3,692)
Ending balance	$ 227,146	$ 175,300

Securities Owned- Schedule of S

Securities Owned- Schedule of Securities Owned (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Securities Owned [Line Items]
Securities Owned Total	$ 34,771	$ 34,895
Trading Securities [Member]
Securities Owned [Line Items]
Securities Owned Total	$ 34,771	$ 34,895

Securities Owned - Additional I

Securities Owned - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Trading losses on securities owned	$ 561	$ 196

Securities Held-to-Maturity - S

Securities Held-to-Maturity - Schedule of Securities Held-to-Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule of Held-to-maturity Securities [Line Items]
Debt instruments: Pass-through GSEs (amortized cost)	$ 411	$ 451
Federal Agency [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt instruments: Pass-through GSEs (amortized cost)	$ 411	$ 451

Securities Held-to-Maturity -_2

Securities Held-to-Maturity - Schedule of Unrealized Gains, Losses and Fair Value of Securities Held-to-Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Held-to-maturity cost or amortized cost	$ 411	$ 451
Held-to-maturity gross unrealized gains	20	30
Held-to-maturity gross unrealized losses	(1)	(12)
Held-to-maturity fair value	$ 430	$ 469

Securities Held-to-Maturity - A

Securities Held-to-Maturity - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Proceeds from Sale and Maturity of Held-to-maturity Securities	$ 38	$ 6,030

Securities Held-to-Maturity -_3

Securities Held-to-Maturity - Schedule of Maturity Profile of Securities Held-to-Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Held-to-maturity due within one year
Held-to-maturity due one year through five years
Held-to-maturity due five years through ten years
Held-to-maturity due over ten years	411	451
Held-to-maturity cost or amortized cost	$ 411	$ 451

Investments - Details of Invest

Investments - Details of Investments Carried at Cost (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Securrency Inc. - Carrying Value [Member]
Investments	$ 13,849	$ 8,112
Securrency Inc. - Cost [Member]
Investments	13,612	8,112
Securrency Inc. - Series A Convertible Preferred Stock - Carrying Value [Member]
Investments	8,349	8,112
Securrency Inc. - Series A Convertible Preferred Stock - Cost [Member]
Investments	8,112	8,112
Securrency Inc. - Series B Convertible Preferred Stock - Carrying Value [Member]
Investments	5,500	0
Securrency Inc. - Series B Convertible Preferred Stock - Cost [Member]
Investments	$ 5,500	$ 0

Investment - Additional Informa

Investment - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2031	Dec. 31, 2029
Subsequent Event [Member]
Investment [Line Items]
Percentage of voting approval required to redeem all of the outstanding Series A shares			60.00%
Percentage of voting approval required to redeem all of the outstanding Series B shares		90.00%
Securrency Inc [Member]
Investment [Line Items]
Cost of Investments	$ 13,612
Ownership interest percentage	25.00%
Original fully diluted ownership interest percentage	20.00%
Securrency - Series A Preferred Stock [Member]
Investment [Line Items]
Number of shares purchased	5,178,488
Non-cumulative dividend	6.00%
Unrealized gain on Series A Shares	$ 237
Securrency - Series B Convertible Preferred Stock [Member]
Investment [Line Items]
Number of shares purchased	2,004,665

Investment - Summary of table b

Investment - Summary of table below presents the inputs used in backsolve valuation approach as follows (Detail) - Fair Value, Inputs, Level 3 [Member]	Mar. 08, 2021yr
Measurement Input Expected Volatility [Member]
Investments Fair Value Disclosure [Line Items]
Expected volatility	55.00%
Measurement Input, Expected Term [Member]
Investments Fair Value Disclosure [Line Items]
Time to exit (in years)	5

Fixed Assets, net - Schedule of

Fixed Assets, net - Schedule of Fixed Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation and amortization	$ (8,773)	$ (8,494)
Total	7,432	7,579
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,959	2,836
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,225	2,225
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 11,021	$ 11,012

Deferred Consideration - Additi

Deferred Consideration - Additional Information (Detail) $ in Thousands	Mar. 31, 2021USD ($)oz	Dec. 31, 2020USD ($)oz
Business Acquisition [Line Items]
Deferred consideration	$ 227,146	$ 230,137
Deferred consideration, current	15,637	17,374
Deferred consideration, non-current	$ 211,509	$ 212,763
April 1, 2018 through March 31, 2058 [Member]
Business Acquisition [Line Items]
Fixed payment ounces of gold | oz	9,500	9,500
April 1, 2058 and Thereafter [Member]
Business Acquisition [Line Items]
Fixed payment ounces of gold | oz	6,333	6,333

Deferred Consideration - Summar

Deferred Consideration - Summary of valuation of deferred consideration (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Disclosure Of Valuation Of Deferred Consideration [Line Item]
Discount rate	9.00%	9.00%
Perpetual growth rate	1.70%	0.90%
Minimum [Member]
Disclosure Of Valuation Of Deferred Consideration [Line Item]
Forward-looking gold price	$ 1,717	$ 1,903
Maximum [Member]
Disclosure Of Valuation Of Deferred Consideration [Line Item]
Forward-looking gold price	3,201	2,662
Weighted Average [Member]
Disclosure Of Valuation Of Deferred Consideration [Line Item]
Forward-looking gold price	$ 2,136	$ 2,117

Deferred Consideration - Schedu

Deferred Consideration - Schedule of Deferred Consideration (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Contractual gold payments	$ 4,270	$ 3,760
Contractual gold payments – gold ounces paid	2,375	2,375
Gain/(loss) on revaluation of deferred consideration - gold payments	$ 2,832	$ (2,208)

Convertible Notes - Additional

Convertible Notes - Additional Information (Detail) $ / shares in Units, $ in Thousands	May 20, 2023USD ($)	Jan. 01, 2021USD ($)	Aug. 13, 2020USD ($)Day$ / shares	Jun. 16, 2020USD ($)Day$ / shares	Mar. 31, 2021USD ($)	Mar. 31, 2020USD ($)	May 21, 2023Day	May 13, 2023Day	Dec. 31, 2020USD ($)
Convertible Senior Notes [Line Items]
Convertible senior notes face value					$ 175,000				$ 175,000
Debt instrument convertible threshold percentage of stock price trigger	130.00%
Principal amount of the convertible notes	$ 1,000
Implementation of ASU 2020-06 [Member]
Convertible Senior Notes [Line Items]
Reduction of unamortized discount upon implementation of ASU 2020-06		$ 4,207
Increase in unamortized issuance costs upon implementation of ASU 2020-06		$ 119
Accounts Payable and Accrued Liabilities [Member]
Convertible Senior Notes [Line Items]
Interest payable					2,209				$ 342
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Fair Value, Inputs, Level 2 [Member]
Convertible Senior Notes [Line Items]
Fair value of debt component of convertible senior notes					214,972
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member]
Convertible Senior Notes [Line Items]
Convertible senior notes face value			$ 25,000	$ 150,000
Convertible senior notes stated rate of interest			4.25%	4.25%
Covertible senior notes year of maturity			2023	2023
Convertible senior notes maturity date			Jun. 15, 2023	Jun. 15, 2023
Redemption provisions - Convertible notes redemption price as a percentage of principal amount accrued interest and unpaid interest			100.00%	100.00%
Debt instrument percentage of principal amount due to lenders entitled to declare repurchase			25.00%	25.00%
Share price as a percentage of last reported price and conversion rate			98.00%	98.00%
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Conversion Price [Member]
Convertible Senior Notes [Line Items]
Convertible debt instrument conversion price | $ / shares			$ 5.92	$ 5.92
Convertible debt instrument terms of conversion			Convertible at an initial conversion rate of 168.9189 shares of the Company’s common stock, per $1,000 principal amount of notes	Convertible at an initial conversion rate of 168.9189 shares of the Company’s common stock, per $1,000 principal amount of notes
Debt instrument conversion ratio			168.9189	168.9189
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Redemption Provisions [Member]
Convertible Senior Notes [Line Items]
Redemption provisions - Convertible notes			Redemption price of $7.70: The Company may redeem for cash all or any portion of the notes, at its option, on or after June 20, 2021 and on or prior to the 55th scheduled trading day immediately preceding the maturity date, if the last reported sale price of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days, including the trading day immediately preceding the date on which the Company provides notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption, at a redemption price equal to 100% of the principal amount of the notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the Convertible Notes.	Redemption price of $7.70: The Company may redeem for cash all or any portion of the notes, at its option, on or after June 20, 2021 and on or prior to the 55th scheduled trading day immediately preceding the maturity date, if the last reported sale price of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days, including the trading day immediately preceding the date on which the Company provides notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption, at a redemption price equal to 100% of the principal amount of the notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the Convertible Notes.
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Conversion Rate Increase [Member]
Convertible Senior Notes [Line Items]
Maximum Conversion Rate			270.2702	270.2702
Maximum number of shares issuable upon conversion | Day			47,297,285	47,297,285
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Scenario, Forecast [Member]
Convertible Senior Notes [Line Items]
Redemption provisions - Convertible notes, threshold trading days | Day							20	20
Redemption provisions - Convertible notes, threshold consecutive trading days | Day							30	30
Number Of Threshold Trading Days For Determining The Share Price								5 days
Measurement period for determining share price								10 days
Convertible Debt [Member]
Convertible Senior Notes [Line Items]
Interest expense					2,296
If-Converted Value of Convertible Notes					$ 184,755
Former Credit Facility [Member]
Convertible Senior Notes [Line Items]
Interest expense						$ 2,419
US National Bank Association [Member] | Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Redemption Provisions [Member]
Convertible Senior Notes [Line Items]
Redemption provisions - Convertible notes redemption price as a percentage of principal amount accrued interest and unpaid interest				100.00%

Convertible Notes - Summary of

Convertible Notes - Summary of the carrying value of the convertible notes (Detail) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal amount		$ 175,000	$ 175,000
Plus: premium on Additional Notes		250	250
Carrying amount		175,250	175,250
Less: Unamortized discount (1)	[1]		(4,207)
Less: Unamortized issuance costs(1)	[1]	(4,087)	(4,397)
Carrying amount		$ 171,163	$ 166,646
Effective interest rate(2)	[2]	5.30%	6.29%
[1]	Unamortized discount reduced by $4,207 and unamortized issuance costs increased by $119 upon the early adoption of ASU 2020-06, Debt – Debt with Conversion and Other Options, on January 1, 2021. The discount previously arose from the bifurcation of the conversion option which occurred prior to the adoption of ASU 2020-06. The unamortized issuance costs are reported net of the unamortized premium on the Additional Notes.
[2]	Includes amortization of the issuance costs allocated to the Convertible Notes and amortization of the premium associated with the Additional Notes. The effective interest rate prior to January 1, 2021 also included amortization of the discount arising from the bifurcation of the conversion option.

Preferred Shares - Additional I

Preferred Shares - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	Apr. 11, 2018	Mar. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Fair value of preferred stock consideration	$ 132,750
Acquisition price per share	$ 9
Preferred stock redemption value		$ 88,642	$ 72,667
Preferred Stock [Member]
Class of Stock [Line Items]
Other redemption rights unrelated to stockholder approval		Temporary equity classification is required for redeemable instruments for which redemption triggers are outside of the issuer’s control. ETFS Capital has the right to redeem all the Preferred Shares specified to be converted during the period of time specified in the Certificate of Designations in the event that: (a) the number of shares of the Company’s common stock authorized by its certificate of incorporation is insufficient to permit the Company to convert all of the Preferred Shares requested by ETFS Capital to be converted; or (b) ETFS Capital does not, upon completion of a change of control of the Company, receive the same amount per Preferred Share as it would have received had each outstanding Preferred Share been converted into common stock immediately prior to the change of control. However, the Company will not be obligated to make any such redemption payments to the extent such payments would be a breach of any covenant or obligation the Company owes to any of its secured creditors or is otherwise prohibited by applicable law.
Acquisition of ETFS Business [Member] | Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued in business acquisition	14,750
Acquisition of ETFS Business [Member] | Common Stock [Member]
Class of Stock [Line Items]
Common stock equivalents	14,750,000

Preferred Shares - Summary of P

Preferred Shares - Summary of Preferred Share Balance (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Preferred Units [Line Items]
Preferred Shares – carrying value	$ 132,569	$ 132,569
Series A Preferred Stock [Member]
Preferred Units [Line Items]
Issuance of Preferred Shares	132,750	132,750
Less: Issuance costs	(181)	(181)
Preferred Shares – carrying value	$ 132,569	$ 132,569

Leases - Summary of additional

Leases - Summary of additional information regarding Company's Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lease cost:
Operating lease cost	$ 697	$ 798
Short-term lease cost	295	342
Total lease cost	992	1,140
Other information:
Cash paid for amounts included in the measurement of operating liabilities (operating leases)	$ 918	$ 926
Weighted-average remaining lease term (in years) – operating leases	8 years 10 months 24 days	9 years 2 months 12 days
Weighted-average discount rate – operating leases	6.30%	6.30%

Leases - Additional Information

Leases - Additional Information (Detail) - USD ($)	Aug. 21, 2024	Aug. 21, 2023	Mar. 31, 2021
Operating lease notice to landlord before cancellation		12 months
Operating lease, impairment loss			$ 303
Scenario, Forecast [Member]
Operating lease cancellation cost	$ 4,236,000

Leases - Summary of future mini

Leases - Summary of future minimum lease payments (Detail) $ in Thousands	Mar. 31, 2021USD ($)
Lessee Disclosure [Abstract]
Remainder of 2021	$ 2,218
2022	2,958
2023	2,958
2024	3,037
2025	3,148
2026 and thereafter	11,456
Total future minimum lease payments (undiscounted)	$ 25,775

Leases - Summary of Reconciles

Leases - Summary of Reconciles future minimum lease payments (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Amounts recognized in the Company's Consolidated Balance Sheet
Lease liability – short term	$ 2,958	$ 3,135
Lease liability – long term	17,012	$ 17,434
Subtotal	19,970
Difference between undiscounted and discounted cash flows	5,805
Total future minimum lease payments (undiscounted)	$ 25,775

Contingencies - Additional Info

Contingencies - Additional Information (Detail) - Mar. 31, 2020 € in Thousands, $ in Thousands	EUR (€)	USD ($)
Commitments and Contingencies Disclosure [Abstract]
Damages sought by plantiffs in litigation matter	€ 9,000	$ 10,565

Variable Interest Entities - Su

Variable Interest Entities - Summary of Information about Variable Interests (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Carrying Amount - Assets
Total net carrying value	$ 885,217	$ 896,692
Securrency Inc [Member]
Carrying Amount - Assets
Preferred stock – Series A Shares	8,349	8,112
Preferred stock – Series B Shares	5,500
Variable Interest Entity, Not Primary Beneficiary [Member]
Carrying Amount - Assets
Total net carrying value	13,849	8,112
Maximum exposure to loss	$ 13,849	$ 8,112

Revenues from Contracts with _3

Revenues from Contracts with Customers - Additional Information (Detail) - Advisory Fees [Member]	Mar. 31, 2021USD ($)
Revenue from Contracts with Customers [Line Items]
Contract assets	$ 0
Contract liabilities	0
Costs incurred to obtain or fulfill contracts with customers	$ 0

Revenues from Contracts with _4

Revenues from Contracts with Customers - Summary of Revenues from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues Categorized as Revenues from Contracts with Customers and Other Sources of Revenues [Line Items]
Total operating revenues	$ 72,830	$ 63,874
Advisory Fees [Member]
Revenues Categorized as Revenues from Contracts with Customers and Other Sources of Revenues [Line Items]
Total operating revenues	71,616	62,950
Other Income [Member]
Revenues Categorized as Revenues from Contracts with Customers and Other Sources of Revenues [Line Items]
Total operating revenues	$ 1,214	$ 924

Revenues from Contracts with _5

Revenues from Contracts with Customers - Summary of Geographic Distribution of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues	$ 72,830	$ 63,874
UNITED STATES
Revenues	40,699	39,870
JERSEY
Revenues	29,990	22,525
IRELAND
Revenues	$ 2,141	1,114
CANADA
Revenues		$ 365

Related Party Transactions - Su

Related Party Transactions - Summary of Accounts Receivable from Related Parties (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 27,258	$ 26,884
WisdomTree Trust [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	14,347	13,030
Manjer Issuers [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	11,134	11,693
WisdomTree Multi Asset Issuer PLC And WisdomTree Issuer PLC [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 1,777	2,125
WisdomTree Commodity Services LLC [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties		$ 36

Related Party Transactions - _2

Related Party Transactions - Summary of Revenues from Advisory Services Provided to Related Parties (Detail) - Advisory Services [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Related Party Transaction [Line Items]
Revenues from advisory services	$ 71,616	$ 62,950
WisdomTree Trust [Member]
Related Party Transaction [Line Items]
Revenues from advisory services	40,536	39,601
Manjer Issuers [Member]
Related Party Transaction [Line Items]
Revenues from advisory services	27,045	20,258
WisdomTree Multi Asset Issuer PLC And WisdomTree Issuer PLC [Member]
Related Party Transaction [Line Items]
Revenues from advisory services	$ 4,035	2,528
WisdomTree Commodity Services LLC [Member]
Related Party Transaction [Line Items]
Revenues from advisory services		198
WisdomTree Asset Management Canada, Inc [Member]
Related Party Transaction [Line Items]
Revenues from advisory services		$ 365

Related Party Transactions - Ad

Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Losses related to certain WisdomTree ETFs	$ 384	$ 290
WisdomTree ETF [Member]
Related Party Transaction [Line Items]
Investment	$ 23,626	$ 23,932

Stock-Based Awards - Additional

Stock-Based Awards - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jun. 20, 2016	Mar. 31, 2021	Mar. 31, 2020
Share-based Payment Award
Stock option issuance period		10 years
Option vested period		1 year
Shares of common stock authorized to issue under equity award plan	10,000,000
Stock-based compensation expense		$ 3,143	$ 3,239
Below 25th Percentile [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		0.00%
At 25th Percentile [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		50.00%
At 50th Percentile [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		100.00%
At 100th Percentile for grants made in 2019 and 2020 [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		200.00%
At 85th Percentile for grants made in 2021 [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		200.00%
Performance Based Restricted Stock Unit [Member] | Maximum [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		200.00%
Performance Based Restricted Stock Unit [Member] | Minimum [Member]
Share-based Payment Award
Shares granted and outstanding, Vesting percentage		0.00%

Stock-Based Awards - Summary of

Stock-Based Awards - Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period (Detail) - Employees and Directors [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Remaining Vesting Period	1 year 8 months 12 days
Unrecognized Stock-Based Compensation	$ 16,488

Stock-Based Awards - Stock-Bas

Stock-Based Awards - Stock-Based Awards - Summary of Stock Options, Restricted Stock and Restricted Stock Unit Activity (Detail)	3 Months Ended
	Mar. 31, 2021shares
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, beginning balance	305,000
Options, Exercised/vested	(75,000)
Options, Forfeitures	(115,000)
Options, ending balance	115,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested Beginning Balance, Shares	3,580,743
Granted, Shares	1,501,123
Exercised/vested	(1,243,763)
Forfeited, Shares	(7,302)
Unvested Ending Balance, Shares	3,830,801
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested Beginning Balance, Shares	39,408
Granted, Shares	29,389
Exercised/vested	(15,136)
Unvested Ending Balance, Shares	53,661
Performance Based Restricted Stock Unites (PRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested Beginning Balance, Shares	341,312
Granted, Shares	257,043
Unvested Ending Balance, Shares	598,355

Stock-Based Awards - Summary _2

Stock-Based Awards - Summary of Stock Options, Restricted Stock and Restricted Stock Unit Activity (Parenthetical) (Detail)	3 Months Ended
	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Number of days of stock prices used to compute average stock price	90 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	34.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	57.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate	44.00%
Shares granted and outstanding, Risk free interest rate	0.17%
Shares granted and outstanding, Expected dividend rate	0.00%
Minimum [Member] | Performance Based Restricted Stock Unit [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted and outstanding, Vesting percentage	0.00%
Maximum [Member] | Performance Based Restricted Stock Unit [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted and outstanding, Vesting percentage	200.00%

Earnings Per Share - Reconcilia

Earnings Per Share - Reconciliation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net income/(loss)	$ 15,147	$ (8,638)
Less: Income distributed to participating securities	(558)	(555)
Less: Undistributed income allocable to participating securities	(1,152)
Net (loss)/income available to common stockholders – Basic EPS	$ 13,437	$ (9,193)
Weighted average common shares (in thousands)	145,649,000	152,519,000
Basic (loss)/earnings per share	$ 0.09	$ (0.06)
Net (loss)/income available to common stockholders	$ 13,437	$ (9,193)
Add back: Undistributed income allocable to participating securities	1,152
Less: Reallocation of undistributed income allocable to participating securities considered potentially dilutive	(1,152)
Net (loss)/income available to common stockholders – Diluted EPS	$ 13,437	$ (9,193)
Weighted average common shares	145,649,000	152,519,000
Dilutive effect of common stock equivalents, excluding participating securities	121,000	0
Weighted average diluted shares	145,770,000	152,519,000
Diluted earnings/(loss) per share	$ 0.09	$ (0.06)

Earnings Per Share - Additional

Earnings Per Share - Additional Information (Detail) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents excluded from calculation of diluted earnings per share	149,000	430,000
Dilutive common stock equivalents	121,000	0
Convertible Common Stock [Member]
Earnings Per Share [Line Items]
Convertible debt instrument conversion price	$ 5.92

Earnings Per Shares - Schedule

Earnings Per Shares - Schedule of Weighted Average Number of Shares (Detail) - shares shares in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Weighted average diluted shares as disclosed on the Consolidated Statements of Operations	[1]	161,831	152,519
Weighted average shares of common stock issuable upon conversion of the Preferred Shares (Note 15)		(14,750)
Potentially dilutive restricted stock awards		(1,311)
Weighted average diluted shares		145,770	152,519
[1]	Excludes 15,025 participating securities and 16 potentially dilutive non-participating common stock equivalents for the three months ended March 31, 2020 as the Company reported a net loss for the period (shares herein are reported in thousands).

Earnings Per Shares - Schedul_2

Earnings Per Shares - Schedule of Weighted Average Number of Shares (Parenthetical) (Detail)	3 Months Ended
	Mar. 31, 2020shares
Earnings Per Share [Abstract]
Participating Securities	15,025
Potentially Dilutive common stock equivalents	16

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2021		Mar. 31, 2020	Dec. 31, 2020
Schedule Of Income Tax [Line Items]
Tax effected NOLs - US	$ 382
NOL expiration date	2024
Tax effected NOLs - International	$ 2,084			$ 2,167
Federal statutory rate	21.00%		21.00%
Accrued for unrecognized tax benefits and interest/penalties related to a tax position claimed or expected to be claimed on a tax return	$ 22,222			27,016
Tax effected capital loss	$ 16,596			16,596
Estimated effective rate	(14.90%)		21.50%
Income tax expense/(benefit)	$ (1,969)		$ (2,371)
Reduction in unrecognized tax benefits	5,171	[1]	5,981
Non-taxable gain recognized upon sale of our Canadian ETF business			$ 2,877
Decrease in unrecognized tax benefits in next 12 months, including interest and penalties	7,067
Decrease in accrued interest and penalties over the next 12 months	2,016
Unremitted earnings – International subsidiaries	97			$ 138
Other Noncurrent Liabilities [Member]
Schedule Of Income Tax [Line Items]
Accrued for unrecognized tax benefits and interest/penalties related to a tax position claimed or expected to be claimed on a tax return	$ 22,222
[1]	Recorded as an income tax benefit of $5,171 during the three months ended March 31, 2021, along with an equal and offsetting amount recorded in other losses, net, to recognize a reduction in the indemnification asset. During the three months ended March 31, 2020, an income tax benefit of $5,981 was recorded along with an equal and offsetting amount in other losses, net.

Income Taxes - Summary of Defer

Income Taxes - Summary of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Capital losses	$ 16,596	$ 16,596
Operating lease liabilities	4,851	4,953
Accrued expenses	1,363	3,507
Interest carryforwards	2,184	2,235
NOLs - Foreign	2,084	2,167
Stock-based compensation	1,195	1,922
Goodwill and intangible assets	1,418	1,466
NOLs – U.S.	382	510
Outside basis difference	122	122
Other	263	111
Deferred tax assets	30,458	33,589
Deferred tax liabilities:
Right of use assets – operating leases	3,848	3,927
Fixed assets and prepaid assets	1,234	1,261
Foreign currency translation adjustment	262	293
Unremitted earnings – International subsidiaries	97	138
Allocated equity component of convertible note		1,022
Deferred tax liabilities	5,441	6,641
Total deferred tax assets less deferred tax liabilities	25,017	26,948
Less: valuation allowance	(18,802)	(18,885)
Deferred tax assets, net	$ 6,215	$ 8,063

Income Taxes - Schedule of Chan

Income Taxes - Schedule of Changes in Balance of Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021		Mar. 31, 2020
Income Tax Contingency [Line Items]
Beginning balance		$ 27,016
Decrease -Lapse of statute of limitations		(5,171)	[1]	$ (5,981)
Increases		39
Foreign currency translation	[2]	338
Ending balance		22,222
Unrecognized Tax Benefits [Member]
Income Tax Contingency [Line Items]
Beginning balance		21,850
Decrease -Lapse of statute of limitations	[1]	(3,559)
Foreign currency translation	[2]	273
Ending balance		18,564
Interest And Penalties [Member]
Income Tax Contingency [Line Items]
Beginning balance		5,166
Decrease -Lapse of statute of limitations	[1]	(1,612)
Increases		39
Foreign currency translation	[2]	65
Ending balance		$ 3,658
[1]	Recorded as an income tax benefit of $5,171 during the three months ended March 31, 2021, along with an equal and offsetting amount recorded in other losses, net, to recognize a reduction in the indemnification asset. During the three months ended March 31, 2020, an income tax benefit of $5,981 was recorded along with an equal and offsetting amount in other losses, net.
[2]	The gross unrecognized tax benefits were accrued in British pounds sterling.

Income Taxes - Schedule of Ch_2

Income Taxes - Schedule of Changes in Balance of Gross Unrecognized Tax Benefits (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021		Mar. 31, 2020
Income Tax Disclosure [Abstract]
Reduction in unrecognized tax benefits	$ 5,171	[1]	$ 5,981
[1]	Recorded as an income tax benefit of $5,171 during the three months ended March 31, 2021, along with an equal and offsetting amount recorded in other losses, net, to recognize a reduction in the indemnification asset. During the three months ended March 31, 2020, an income tax benefit of $5,981 was recorded along with an equal and offsetting amount in other losses, net.

Shares Repurchased - Additional

Shares Repurchased - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 24, 2019	Mar. 31, 2021	Mar. 31, 2020
Class of Stock [Line Items]
Repurchased common stock, value		$ 2,630	$ 1,495
Three-Year Share Repurchase Program [Member]
Class of Stock [Line Items]
Repurchased common stock, shares		489,763	385,399
Repurchased common stock, value		$ 2,630	$ 1,495
Dollar amount remaining available for future share repurchases		$ 49,561
Share repurchase program, extended term date	Apr. 27, 2022

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets - Summary of Goodwill by Reporting Unit (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Goodwill [Line Items]
Beginning balance	$ 85,856
Ending balance	85,856
Reportable Subsegments [Member]
Goodwill [Line Items]
Beginning balance	85,856
Changes	0
Ending balance	$ 85,856

Goodwill and Intangible Asset_3

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Apr. 11, 2018
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 85,856	$ 85,856
Intangible asset related to its customary advisory agreement	$ 601,247	$ 601,247
Acquisition completion date	Apr. 11, 2018
Acquisition of ETFS Business [Member]
Indefinite-lived Intangible Assets [Line Items]
Goodwill			$ 84,057
Intangible asset related to its customary advisory agreement	$ 601,247

Goodwill and Intangible Asset_4

Goodwill and Intangible Assets - Summary of Indefinite-lived Intangible Assets (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Indefinite-lived Intangible Assets [Line Items]
Beginning balance	$ 601,247
Changes	0
Ending balance	$ 601,247

Contingent Payments - Additiona

Contingent Payments - Additional Information (Detail) $ in Thousands, $ in Thousands	Feb. 19, 2020USD ($)	Feb. 19, 2020CAD ($)	Mar. 31, 2021USD ($)	Jun. 30, 2020USD ($)	Mar. 31, 2020USD ($)	Mar. 31, 2021CAD ($)	Dec. 31, 2020USD ($)	Dec. 31, 2020CAD ($)	May 04, 2020USD ($)
Recognized gain loss on sale of business					$ 2,877
Impairment			$ 303		19,672
WisdomTree Asset Management Canada, Inc [Member]
Other receivables						$ 2,000		$ 2,000
Proceeds from divestiture of businesses	$ 2,774	$ 3,720
Recognized gain loss on sale of business					2,877
WisdomTree Asset Management Canada, Inc [Member] | Minimum [Member]
Additional consideration payable		2,000
WisdomTree Asset Management Canada, Inc [Member] | Maximum [Member]
Additional consideration payable		$ 8,000
Advisor Engine [Member]
Maximum Amount of Contingent Payments That May be Received									$ 10,408
Contingent payments			$ 0				$ 0
Gain (Loss) on Disposition of Assets				$ 1,093
Advisor Engine [Member] | Fair Value Of Upfront Consideration Received [Member]
Fair value of upfront consideration received									$ 9,592
Advisor Engine Financial Interest [Member] | Financial Interests [Member]
Impairment					$ 19,672