Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues
Advisory revenues	$ 291,545	$ 302,833	$ 252,201
Investment Revenues	(6,466)	(8,840)	26,128
Total revenues	285,079	293,993	278,329
Expenses
Employee compensation and benefits	151,795	162,578	159,882
Occupancy and equipment rental	17,777	17,457	15,750
Depreciation and amortization	7,240	8,009	5,986
Information services	8,040	7,273	6,805
Professional fees	5,392	5,694	7,329
Travel related expenses	10,981	10,325	10,129
Interest expense	1,016	2,040	2,077
Other operating expenses	12,363	11,947	11,420
Total expenses	214,604	225,323	219,378
Income before taxes	70,475	68,670	58,951
Provision for taxes	28,383	24,086	19,530
Consolidated net income	42,092	44,584	39,421
Less: Net income allocated to noncontrolling interests	0	6	4,895
Net income allocated to common stockholders	$ 42,092	$ 44,578	$ 34,526
Average shares outstanding:
Basic	30,553,460	31,020,894	30,726,628
Diluted	30,561,682	31,034,817	30,776,034
Earnings per share:
Basic	$ 1.38	$ 1.44	$ 1.12
Diluted	$ 1.38	$ 1.44	$ 1.12
Dividends declared and paid per share	$ 1.80	$ 1.80	$ 1.80