Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Commissions and fees	$ 83,485	$ 89,934	$ 277,141	$ 319,720
Recurring	19,214	26,659	63,220	80,038
Other	1,486	3,816	9,102	10,872
Total revenues	104,185	120,409	349,463	410,630
Expenses:
Compensation and employee benefits	45,127	46,305	145,906	157,612
Transaction processing	20,799	21,621	65,731	71,381
Occupancy and equipment	13,849	14,229	41,893	43,071
Telecommunications and data processing services	13,720	12,779	43,341	38,562
Restructuring charge			4,355
Other general and administrative	37,927	21,856	87,663	82,021
Interest expense	561	429	1,668	1,402
Total expenses	131,983	117,219	390,557	394,049
(Loss) income before income tax expense	(27,798)	3,190	(41,094)	16,581
Income tax (benefit) expense	(3,887)	480	(9,460)	7,348
Net (loss) income	$ (23,911)	$ 2,710	$ (31,634)	$ 9,233
(Loss) income per share:
Basic (in dollars per share)	$ (0.73)	$ 0.08	$ (0.96)	$ 0.27
Diluted (in dollars per share)	$ (0.73)	$ 0.08	$ (0.96)	$ 0.26
Basic weighted average number of common shares outstanding (in shares)	32,725	33,859	33,006	34,066
Diluted weighted average number of common shares outstanding (in shares)	32,725	34,547	33,006	34,976