Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Advisory revenues	$ 334,787	$ 260,281	$ 280,452
Investment revenues (losses)	732	1,279	(5,218)
Total revenues	335,519	261,560	275,234
Expenses
Employee compensation and benefits	182,478	147,200	147,552
Occupancy and equipment rental	19,553	21,271	18,983
Depreciation and amortization	3,243	3,433	3,228
Information services	8,920	8,975	8,625
Professional fees	6,851	7,856	5,651
Travel related expenses	11,912	12,580	11,386
Interest expense	3,227	2,478	1,238
Other operating expenses	11,454	14,472	11,101
Total expenses	247,638	218,265	207,764
Income before taxes	87,881	43,295	67,470
Provision for taxes	27,119	17,697	24,082
Net income allocated to common stockholders	$ 60,762	$ 25,598	$ 43,388
Average shares outstanding:
Basic (shares)	32,042,594	31,197,288	30,354,227
Diluted (shares)	32,074,232	31,200,378	30,357,691
Earnings per share:
Basic (usd per share)	$ 1.90	$ 0.82	$ 1.43
Diluted (usd per share)	1.89	0.82	1.43
Dividends declared and paid per share (usd per share)	$ 1.8	$ 1.80	$ 1.80