Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 236,446	$ 287,452
Cash restricted or segregated under regulations and other	18,263	18,599
Deposits with clearing organizations	80,373	57,388
Securities owned, at fair value	939	1,559
Receivables from brokers, dealers and clearing organizations	259,982	193,907
Receivables from customers	164,583	74,695
Premises and equipment, net	52,091	53,960
Capitalized software, net	41,462	41,259
Goodwill	10,788	11,054
Intangibles, net	13,481	14,040
Income taxes receivable	128	3,917
Deferred tax assets	4,389	4,902
Other assets	44,009	22,124
Total assets	926,934	784,856
Liabilities:
Accounts payable and accrued expenses	198,193	166,495
Short-term bank loans	72,997	101,422
Payables to brokers, dealers and clearing organizations	178,886	119,278
Payables to customers	113,340	23,568
Securities sold, not yet purchased, at fair value		1
Income taxes payable	4,287	6,003
Deferred tax liabilities	1,768	1,750
Term debt	2,329	3,104
Total liabilities	571,800	421,621
Commitments and contingencies
Stockholders’ Equity:
Preferred stock, $0.01 par value; 1,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 100,000,000 shares authorized; 52,748,475 and 52,639,823 shares issued at June 30, 2018 and December 31, 2017, respectively	527	526
Additional paid-in capital	247,897	250,216
Retained earnings	483,639	486,957
Common stock held in treasury, at cost; 19,757,705 and 20,038,809 shares at June 30, 2018 and December 31, 2017, respectively	(349,906)	(353,067)
Accumulated other comprehensive loss (net of tax)	(27,023)	(21,397)
Total stockholders’ equity	355,134	363,235
Total liabilities and stockholders’ equity	$ 926,934	$ 784,856