Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 48,197	$ 26,961
Adjustments to reconcile net income to net cash provided by operating activities:
Advisory fees paid in gold and other precious metals	(21,998)
Contractual gold payments (Note 11)	5,595
Gain on revaluation of deferred consideration - gold payments (Note 11)	(17,630)
Stock-based compensation	10,078	10,558
Deferred income taxes	(1,251)	3,823
Paid-in-kind interest income (Note 8)	(1,373)
Settlement gain		(6,909)
Amortization of credit facility issuance costs	1,360
Depreciation and amortization	998	1,042
Other	810	524
Changes in operating assets and liabilities, net of the effects of the ETFS Acquisition:
Securities owned, at fair value	(2,735)	1,146
Accounts receivable	3,771	(1,969)
Income taxes receivable/payable	7,654	(628)
Prepaid expenses	(621)	(361)
Gold and other precious metals	18,472
Other assets	954	(31)
Acquisition payable		(3,545)
Fund management and administration payable	1,998	561
Compensation and benefits payable	(21,025)	115
Securities sold, but not yet purchased, at fair value	1,068	(1,249)
Accounts payable and other liabilities	(4,122)	1,041
Net cash provided by operating activities	30,200	31,079
Cash flows from investing activities:
Purchase of fixed assets	(45)	(253)
Purchase of securities held-to-maturity		(3,009)
Purchase of debt securities available-for-sale		(76,776)
Purchase of investments		(5,000)
Funding of AdvisorEngine note receivable (Note 8)	(8,000)
Proceeds from held-to-maturity securities maturing or called prior to maturity	1,096	2,162
Proceeds from sales and maturities of debt securities available-for-sale	64,498	65,067
Cash paid - ETFS Acquisition, net of cash acquired (Note 3)	(239,313)
Net cash used in investing activities	(181,764)	(17,809)
Cash flows from financing activities:
Dividends paid	(14,202)	(32,825)
Shares repurchased	(1,430)	(4,178)
Credit facility issuance costs	(8,690)
Preferred stock issuance costs	(181)
Proceeds from the issuance of long-term debt (Note 12)	200,000
Proceeds from exercise of stock options	157	53
Net cash provided by/(used in) financing activities	175,654	(36,950)
(Decrease)/increase in cash flow due to changes in foreign exchange rate	(1,158)	1,179
Net increase/(decrease) in cash and cash equivalents	22,932	(22,501)
Cash and cash equivalents-beginning of period	54,193	92,722
Cash and cash equivalents-end of period	77,125	70,221
Supplemental disclosure of cash flow information:
Cash paid for taxes	8,759	$ 22,130
Cash paid for interest	$ 3,351