Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Investment management fees	$ 74,062	$ 58,192	$ 133,333	$ 115,836
Distribution and service fees	10,439	12,167	21,222	24,645
Administration and transfer agent fees	9,476	9,499	18,457	19,497
Other income and fees	155	227	896	402
Total revenues	94,132	80,085	173,908	160,380
Operating Expenses
Employment expenses	42,992	33,065	82,633	69,042
Distribution and other asset-based expenses	15,764	17,432	31,087	35,533
Other operating expenses	20,236	12,457	33,462	23,222
Restructuring and severance	8,894	2,391	8,894	2,391
Depreciation expense	776	776	1,440	1,638
Amortization expense	1,813	603	2,046	1,254
Total operating expenses	90,948	71,342	160,677	138,887
Operating Income	3,184	8,743	13,231	21,493
Other (Expense) Income
Other income (expense), net	47	(15)	693	213
Total other (expense) income, net	(90)	6,944	5,297	9,044
Interest (Expense) Income
Total interest (expense) income, net	(1,186)	(900)	1,558	3,676
Income Before Income Taxes	1,908	14,787	20,086	34,213
Income tax expense	1,880	6,087	6,313	13,643
Net Income	28	8,700	13,773	20,570
Noncontrolling interests	(333)	(612)	(1,051)	(119)
Net (Loss) Income Attributable to Stockholders	(305)	8,088	12,722	20,451
Preferred stockholder dividends	(2,084)	0	(4,168)	0
Net (Loss) Income Attributable to Common Stockholders	$ (2,389)	$ 8,088	$ 8,554	$ 20,451
(Loss) Earnings per share—Basic (in $ per share)	$ (0.34)	$ 0.99	$ 1.26	$ 2.48
(Loss) Earnings per Share—Diluted (in $ per share)	(0.34)	0.97	1.22	2.43
Cash Dividends Declared per Preferred Share (in $ per share)	1.81	0	3.625	0
Cash Dividends Declared per Common Share (in $ per share)	$ 0.45	$ 0.45	$ 0.90	$ 0.90
Weighted Average Shares Outstanding—Basic (in shares)	7,064	8,170	6,804	8,257
Weighted Average Shares Outstanding—Diluted (in shares)	7,064	8,314	7,020	8,410
Consolidated investment products
Operating Expenses
Total operating expenses	$ 473	$ 4,618	$ 1,115	$ 5,807
Other (Expense) Income
Realized and unrealized (loss) gain on investments, net	(1,424)	3,678	3,020	6,208
Interest (Expense) Income
Interest expense	(2,995)	(5,668)	(5,852)	(6,400)
Interest and dividend income	5,102	4,278	10,758	9,445
Consolidated entity excluding consolidated investment products
Other (Expense) Income
Realized and unrealized (loss) gain on investments, net	1,287	3,281	1,584	2,623
Interest (Expense) Income
Interest expense	(3,739)	(129)	(3,982)	(261)
Interest and dividend income	$ 446	$ 619	$ 634	$ 892