Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 161,444	$ 199,728
Investments, at fair value	170,655	84,706
Accounts receivable, net of allowance of $194 and $109 as of September 30, 2016 and December 31, 2015, respectively	56,583	40,459
Goodwill and intangible assets, net of accumulated amortization	63,539	64,142
Furniture, equipment, leasehold improvements and capitalized software, net of accumulated depreciation and amortization	30,773	30,897
Prepaid expenses and other assets	11,758	9,880
Deferred tax assets, net	7,399	9,229
Total assets	502,151	439,041
Liabilities
Accrued employee compensation	28,546	29,296
Income and other tax liabilities	3,634	4,463
Deferred revenue	3,006	2,312
Accounts payable, accrued expenses and other liabilities	15,265	12,257
Total liabilities	50,451	48,328
Commitments and Contingencies (Note 10)
Stockholders’ equity
Additional paid-in capital	337,261	321,215
Treasury stock - Common stock voting, at cost, 2,499,785 and 2,412,245 shares as of September 30, 2016 and December 31, 2015, respectively	(107,279)	(93,405)
Retained earnings	231,743	168,011
Accumulated other comprehensive loss	(10,145)	(5,229)
Total stockholders’ equity	451,700	390,713
Total liabilities and stockholders’ equity	502,151	439,041
Undefined Preferred Stock [Member]
Stockholders’ equity
Preferred stock
Series A Preferred Stock [Member]
Stockholders’ equity
Preferred stock
Voting Common Stock [Member]
Stockholders’ equity
Common stock	$ 120	$ 121