Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 128,908	$ 169,620
Securities available-for-sale	51,208	78,110
Accounts receivable, net of allowance of $75 and $1,086 as of December 31, 2012 and 2011, respectively	31,044	36,170
Deferred tax assets, net	9,442	8,089
Goodwill and intangible assets, net of accumulated amortization	33,134	34,544
Capitalized software, furniture, equipment and leasehold improvements, net of accumulated depreciation and amortization	18,009	14,460
Prepaid expenses and other assets	8,096	8,465
Total assets	279,841	349,458
Liabilities
Accrued employee compensation	19,916	19,425
Deferred revenue	4,864	5,326
Accounts payable, accrued expenses and other liabilities	12,344	12,268
Total liabilities	37,124	37,019
Commitments and Contingencies (Note 12)
Stockholders' equity
Preferred stock
Additional paid-in capital	283,609	340,716
Treasury stock - Common stock voting, at cost, 1,495,159 shares and 1,541,739 shares as of December 31, 2012 and 2011, respectively	(32,273)	(25,933)
Accumulated deficit	(5,644)	(584)
Accumulated other comprehensive loss	(3,093)	(1,882)
Total stockholders' equity	242,717	312,439
Total liabilities and stockholders' equity	279,841	349,458
Series A Preferred Stock
Stockholders' equity
Preferred stock
Common Stock Voting
Stockholders' equity
Common stock	118	113
Total stockholders' equity	118	113
Common Stock Non-Voting
Stockholders' equity
Common stock		9
Total stockholders' equity		$ 9