Condensed Consolidated Statements of Operations - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Revenue        
Investment management fees $ 92,525 $ 86,016 $ 270,653 $ 254,605
Fund administration and distribution fees 15,557 16,372 46,792 49,378
Total revenue 108,082 102,388 317,445 303,983
Expenses        
Personnel compensation and benefits 38,027 36,097 111,970 106,772
Distribution and other asset-based expenses 24,269 24,801 73,557 78,226
General and administrative 6,951 8,867 23,095 26,049
Depreciation and amortization 5,574 7,055 17,917 23,340
Change in value of consideration payable for acquisition of business     (4) (25)
Acquisition-related costs 1,451 844 1,446 1,435
Restructuring and integration costs   483 702 4,944
Total operating expenses 76,272 78,147 228,683 240,741
Income from operations 31,810 24,241 88,762 63,242
Other income (expense)        
Interest income and other income/(expense) (200) 753 (229) (816)
Interest expense and other financing costs (4,458) (11,688) (16,256) (38,159)
Loss on debt extinguishment   (330) (6,058) (330)
Total other income (expense), net (4,658) (11,265) (22,543) (39,305)
Income before income taxes 27,152 12,976 66,219 23,937
Income tax expense (6,562) (5,126) (16,430) (9,320)
Net income $ 20,590 $ 7,850 $ 49,789 $ 14,617
Earnings per share—basic $ 0.30 $ 0.14 $ 0.76 $ 0.27
Earnings per share—diluted $ 0.29 $ 0.13 $ 0.71 $ 0.25
Weighted average shares outstanding—basic 67,972,313 54,961,161 65,816,557 54,867,257
Weighted average shares outstanding—diluted 71,863,566 59,738,176 70,168,116 59,517,606
Dividends declared per share       $ 2.19