Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022		Mar. 31, 2021
Operating Revenues:
Total revenues	$ 78,368		$ 71,256
Operating Expenses:
Compensation and benefits	24,787		22,627
Fund management and administration	15,494		13,947
Marketing and advertising	4,023		3,006
Sales and business development	2,609		2,145
Contractual gold payments (Note 9)	4,450		4,270
Professional fees	4,459		2,013
Occupancy, communications and equipment	753		1,475
Depreciation and amortization	47		252
Third-party distribution fees	2,212		1,343
Other	1,845		1,571
Total operating expenses	60,679		52,649
Operating income	17,689		18,607
Other Income/(Expenses):
Interest expense	(3,732)		(2,296)
(Loss)/gain on revaluation of deferred consideration – gold payments (Note 9)	(17,018)		2,832
Interest income	794		231
Impairment (Note 12)	0		(303)
Other losses, net	(24,707)		(5,893)
(Loss)/income before income taxes	(26,974)		13,178
Income tax benefit	(16,713)		(1,969)
Net (loss)/income	$ (10,261)		$ 15,147
(Loss)/earnings per share—basic	$ (0.08)		$ 0.09
(Loss)/earnings per share—diluted	$ (0.08)		$ 0.09
Weighted-average common shares—basic	142,782		145,649
Weighted-average common shares—diluted	142,782	[1]	161,831
Cash dividends declared per common share	$ 0.03		$ 0.03
Advisory Fees [Member]
Operating Revenues:
Total revenues	$ 76,517		$ 70,042
Other Income [Member]
Operating Revenues:
Total revenues	$ 1,851		$ 1,214

[1] Excludes 15,521 participating securities and 31 potentially dilutive non-participating common stock equivalents for the three months ended March 31, 2022 as the Company reported a net loss for the period (shares herein are reported in thousands).