Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities:
Net income allocated to common stockholders	$ 23,985	$ 17,022
Non-cash items included in net income allocated to common stockholders:
Depreciation and amortization	1,639	1,642
Net investment (gains) losses	35	122
Restricted stock units recognized	20,217	24,667
Deferred taxes	(882)	(1,038)
Deferred gain on sale of certain merchant banking assets	0	(49)
Loss on fair value of contingent obligation	1,457	0
Changes in operating assets and liabilities:
Advisory fees receivable	(2,504)	12,886
Other receivables and assets	665	(1,322)
Deferred tax asset, net	7,345	7,496
Compensation payable	(3,612)	(9,651)
Accounts payable and accrued expenses	1,960	(2,710)
Current income taxes payable	(5,283)	2,865
Net cash provided by operating activities	45,022	51,930
Investing activities:
Purchases of investments	0	(21)
Distributions from investments	0	768
Purchases of property and equipment	(1,013)	(681)
Cogent acquisition	0	(45,260)
Net cash used in investing activities	(1,013)	(45,194)
Financing activities:
Proceeds from revolving bank loan	57,329	46,450
Repayment of revolving bank loan	(42,229)	(43,300)
Proceeds from bank term loans	0	45,000
Repayment of bank term loans	(11,250)	(11,250)
Dividends paid	(31,002)	(29,393)
Purchase of treasury stock	(12,753)	(10,804)
Net tax (cost) from the delivery of restricted stock units and payment of dividend equivalents	(5,726)	(6,470)
Net cash used in financing activities	(45,631)	(9,767)
Effect of exchange rate changes on cash and cash equivalents	(4,555)	(632)
Net decrease in cash and cash equivalents	(6,177)	(3,663)
Cash and cash equivalents, beginning of period	69,962	50,940
Cash and cash equivalents, end of period	63,785	47,277
Supplemental disclosure of cash flow information:
Cash paid for interest	1,529	1,043
Cash paid for taxes, net of refunds	$ 14,364	$ 10,142