Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Total revenues	$ 509,476	$ 483,694	$ 469,052
Expenses:
Compensation and employee benefits	183,917	184,716	188,886
Transaction processing	102,273	100,747	90,271
Occupancy and equipment	60,829	68,563	56,189
Telecommunications and data processing services	51,507	48,477	56,643
Restructuring charges	10,601		9,620
Other general and administrative	88,300	72,641	108,466
Interest expense	1,950	2,025	2,217
Total expenses	499,377	477,169	512,292
Income (loss) before income tax expense (benefit)	10,099	6,525	(43,240)
Income tax expense (benefit)	9,408	45,965	(17,322)
Net income (loss)	$ 691	$ (39,440)	$ (25,918)
Income (loss) per share:
Basic (in dollars per share)	$ 0.02	$ (1.19)	$ (0.79)
Diluted (in dollars per share)	$ 0.02	$ (1.19)	$ (0.79)
Basic weighted average number of common shares outstanding (in shares)	33,003	33,009	32,906
Diluted weighted average number of common shares outstanding (in shares)	34,407	33,009	32,906
Commissions and fees
Revenues:
Total revenues	$ 421,433	$ 399,691	$ 376,463
Recurring
Revenues:
Total revenues	79,061	75,911	81,916
Other
Revenues:
Total revenues	$ 8,982	$ 8,092	$ 10,673