Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net income allocated to common stockholders	$ 5,499	$ 23,985
Non-cash items included in net income allocated to common stockholders:
Depreciation and amortization	1,546	1,639
Net investment (gains) losses	25	35
Restricted stock units recognized	20,263	20,217
Deferred taxes	3,895	(882)
Loss (gain) on fair value of contingent obligation	(7,513)	1,457
Changes in operating assets and liabilities:
Advisory fees receivable	18,020	(2,504)
Other receivables and assets	(580)	665
Deferred tax asset, net	0	7,345
Compensation payable	(14,827)	(3,612)
Accounts payable and accrued expenses	(926)	1,960
Current income taxes payable	(13,332)	(5,283)
Net cash provided by (used in) operating activities	12,070	45,022
Investing activities:
Distributions from investments	60	0
Purchases of property and equipment	(1,187)	(1,013)
Net cash used in investing activities	(1,127)	(1,013)
Financing activities:
Proceeds from revolving bank loan	42,430	57,329
Repayment of revolving bank loan	(37,850)	(42,229)
Repayment of bank term loans	(5,625)	(11,250)
Dividends paid	(30,794)	(31,002)
Purchase of treasury stock	(12,733)	(12,753)
Net tax (cost) from the delivery of restricted stock units and payment of dividend equivalents	0	(5,726)
Net cash used in financing activities	(44,572)	(45,631)
Effect of exchange rate changes on cash and cash equivalents	3,338	(4,555)
Net decrease in cash and cash equivalents	(30,291)	(6,177)
Cash and cash equivalents, beginning of period	98,313	69,962
Cash and cash equivalents, end of period	68,022	63,785
Supplemental disclosure of cash flow information:
Cash paid for interest	1,857	1,529
Cash paid for taxes, net of refunds	$ 16,225	$ 14,364