Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities:
Net income (loss) allocated to common stockholders	$ (746)	$ 4,357
Non-cash items included in net income (loss) allocated to common stockholders:
Depreciation and amortization	786	848
Net investment (gains) losses	23	(2)
Restricted stock units recognized	11,251	8,189
Deferred taxes	7,441	3,522
Loss (gain) on fair value of contingent obligation	(6,005)	385
Changes in operating assets and liabilities:
Advisory fees receivable	583	2,314
Other receivables and assets	(3,064)	(3,415)
Deferred tax asset, net	0	7,252
Compensation payable	(22,299)	(7,214)
Accounts payable and accrued expenses	(314)	(788)
Current income taxes payable	(16,194)	(14,046)
Net cash provided (used) by operating activities	(28,538)	1,402
Investing activities:
Distributions from investments	25	0
Purchases of property and equipment	(448)	(296)
Net cash used in investing activities	(423)	(296)
Financing activities:
Proceeds from revolving bank loan	21,680	26,500
Repayment of revolving bank loan	(11,750)	(11,200)
Repayment of bank term loans	0	0
Dividends paid	(15,453)	(15,434)
Purchase of treasury stock	(12,516)	(7,688)
Net tax (cost) from the delivery of restricted stock units and payment of dividend equivalents	0	(6,676)
Net cash used in financing activities	(18,039)	(14,498)
Effect of exchange rate changes on cash and cash equivalents	680	(970)
Net decrease in cash and cash equivalents	(46,320)	(14,362)
Cash and cash equivalents, beginning of period	98,313	69,962
Cash and cash equivalents, end of period	51,993	55,600
Supplemental disclosure of cash flow information:
Cash paid for interest	1,072	744
Cash paid for taxes, net of refunds	$ 14,655	$ 14,145