Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 153,275	$ 199,728
Investments, at fair value	146,330	84,706
Accounts receivable, net of allowance of $178 and $109 as of June 30, 2016 and December 31, 2015, respectively	62,860	40,459
Goodwill and intangible assets, net of accumulated amortization	63,635	64,142
Furniture, equipment, leasehold improvements and capitalized software, net of accumulated depreciation and amortization	31,495	30,897
Prepaid expenses and other assets	13,463	9,880
Deferred tax assets, net	6,057	9,229
Total assets	477,115	439,041
Liabilities
Accrued employee compensation	20,212	29,296
Income and other tax liabilities	3,000	4,463
Deferred revenue	2,606	2,312
Accounts payable, accrued expenses and other liabilities	15,146	12,257
Total liabilities	40,964	48,328
Commitments and Contingencies (Note 10)
Stockholders’ equity
Additional paid-in capital	333,279	321,215
Treasury stock - Common stock voting, at cost, 2,450,672 and 2,412,245 shares as of June 30, 2016 and December 31, 2015, respectively	(98,805)	(93,405)
Retained earnings	210,606	168,011
Accumulated other comprehensive loss	(9,049)	(5,229)
Total stockholders’ equity	436,151	390,713
Total liabilities and stockholders’ equity	477,115	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