Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 287,452	$ 277,977
Cash restricted or segregated under regulations and other	18,599	40,353
Deposits with clearing organizations	57,388	62,556
Securities owned, at fair value	1,559	2,557
Receivables from brokers, dealers and clearing organizations	193,907	152,294
Receivables from customers	74,695	54,486
Premises and equipment, net	53,960	59,333
Capitalized software, net	41,259	38,606
Goodwill	11,054	10,102
Intangibles, net	14,040	15,390
Income taxes receivable	3,917	873
Deferred taxes assets	4,902	38,688
Other assets	22,124	22,070
Total assets	784,856	775,285
Liabilities:
Accounts payable and accrued expenses	166,495	174,343
Short-term bank loans	101,422	72,150
Payables to brokers, dealers and clearing organizations	119,278	100,188
Payables to customers	23,568	12,272
Securities sold, not yet purchased, at fair value	1	249
Income taxes payable	6,003	4,552
Deferred tax liabilities	1,750
Term debt	3,104	6,367
Total liabilities	421,621	370,121
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; 52,639,823 and 52,456,165 shares issued at December 31, 2017 and December 31, 2016, respectively	526	525
Additional paid-in capital	250,216	248,748
Retained earnings	486,957	536,350
Common stock held in treasury, at cost; 20,038,809 and 19,830,032 shares at December 31, 2017 and December 31, 2016, respectively	(353,067)	(346,482)
Accumulated other comprehensive loss (net of tax)	(21,397)	(33,977)
Total stockholders' equity	363,235	405,164
Total liabilities and stockholders' equity	$ 784,856	$ 775,285