Condensed Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents ($6.9 million and $7.3 million restricted from use at June 30, 2012 and December 31, 2011, respectively)	$ 41,610	$ 62,050
Advisory fees receivable, net of allowance for doubtful accounts of $0.1 million at June 30, 2012 and December 31, 2011	47,307	53,274
Other receivables	3,098	1,130
Property and equipment, net of accumulated depreciation of $52.3 million and $50.2 million at June 30, 2012 and December 31, 2011, respectively	15,159	15,995
Other investments	63,985	73,326
Investments in merchant banking funds	48,256	39,535
Goodwill	162,220	161,664
Deferred tax asset	40,095	48,307
Other assets	4,202	5,462
Total assets	425,932	460,743
Liabilities and Equity
Compensation payable	9,477	34,913
Accounts payable and accrued expenses	14,473	15,506
Financing liability	15,637	14,302
Bank loan payable	27,825	28,100
Deferred tax liability	16,482	20,368
Total liabilities	83,894	113,189
Common stock, par value $0.01 per share; 100,000,000 shares authorized, 36,399,052 and 35,775,557 shares issued as of June 30, 2012 and December 31, 2011, respectively; 28,768,414 and 28,647,312 shares outstanding as of June 30, 2012 and December 31, 2011, respectively	364	358
Contingent convertible preferred stock, par value $0.01 per share; 10,000,000 shares authorized, and 1,099,877 shares issued and outstanding as of June 30, 2012 and December 31, 2011	46,950	46,950
Restricted stock units	86,145	99,916
Additional paid-in capital	452,176	412,283
Exchangeable shares of subsidiary; 257,156 shares issued as of June 30, 2012 and December 31, 2011; 61,691 and 110,191 shares outstanding as of June 30, 2012 and December 31, 2011, respectively	3,683	6,578
Retained earnings	163,743	173,374
Accumulated other comprehensive income	3,594	3,128
Treasury stock, at cost, par value $0.01 per share; 7,630,638 and 7,128,245 shares as of June 30, 2012 and December 31, 2011, respectively	(415,970)	(396,386)
Stockholders' equity	340,685	346,201
Noncontrolling interests	1,353	1,353
Total equity	342,038	347,554
Total liabilities and equity	$ 425,932	$ 460,743