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