CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Total revenues	$ 69,623	$ 67,928
Expenses:
Compensation	29,058	30,682
Management fee	1,312	2,517
Distribution costs	7,145	6,971
Other operating expenses	6,147	5,304
Total expenses	43,662	45,474
Operating income	25,961	22,454
Non-operating income / (loss)
Gain/(Loss) from investments, net	(2,822)	680
Interest and dividend income	228	185
Interest expense	(816)	(662)
Total non-operating income / (loss)	(3,410)	203
Income before income taxes	22,551	22,657
Provision for income taxes	5,097	6,707
Net income	$ 17,454	$ 15,950
Earnings per share:
Basic (in dollars per share)	$ 0.67	$ 0.60
Diluted (in dollars per share)	$ 0.66	$ 0.59
Weighted average shares outstanding:
Basic (in shares)	26,237	26,393
Diluted (in shares)	26,493	26,887
Investment Advisory and Incentive Fees [Member]
Revenues:
Total revenues	$ 63,762	$ 61,470
Distribution Fees and Other Income [Member]
Revenues:
Total revenues	$ 5,861	$ 6,458