Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities:
Net income (loss)	$ (15,386)	$ 6,368
Non-cash items included in net income (loss):
Depreciation and amortization	1,244	1,339
Net investment gains	(114)	(1)
Restricted stock units recognized, net	10,018	8,463
Deferred taxes, net	3,369	6,529
Loss on fair value of contingent obligation	575	910
Changes in operating assets and liabilities:
Advisory fees receivable	16,412	(38,336)
Other receivables and assets	(15,776)	(15,823)
Compensation payable	(36,644)	1,850
Accounts payable and accrued expenses	(1,117)	2,825
Current income taxes payable	(4,324)	6,226
Net cash used for operating activities	(41,743)	(19,650)
Investing activities:
Purchases of property and equipment	(314)	(672)
Net cash used in investing activities	(314)	(672)
Financing activities:
Repayment of secured term loan	(8,750)	(4,375)
Dividends paid	(1,656)	(1,687)
Purchase of treasury stock	(24,401)	(34,753)
Net cash used in financing activities	(34,807)	(40,815)
Effect of exchange rate changes	942	1,631
Net decrease in cash and cash equivalents	(75,922)	(59,506)
Cash and cash equivalents, beginning of the period	156,374	267,646
Cash and cash equivalents, end of the period	80,452	208,140
Supplemental disclosure of cash flow information:
Cash paid for interest	5,378	5,684
Cash paid for taxes, net of refunds	$ 1,753	$ 2,042