Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 11,303	$ 26,148
Adjustments to reconcile net income to net cash provided by operating activities:
Advisory fees received in gold and other precious metals	(22,872)	(11,033)
Contractual gold payments	6,208	2,715
Stock-based compensation	6,207	6,838
Deferred income taxes	2,443	(1,055)
Amortization of right of use asset	1,590
Amortization of credit facility issuance costs	1,430	637
Paid-in-kind interest income (Note 8)	(1,223)	(840)
Impairment	572
Depreciation and amortization	533	692
Gain on revaluation of deferred consideration – gold payments	(367)	(9,898)
Other	5	834
Changes in operating assets and liabilities:
Securities owned, at fair value	(222)	(2,028)
Accounts receivable	1,833	2,871
Income taxes receivable/payable	(44)	8,109
Prepaid expenses	(1,746)	(1,669)
Gold and other precious metals	16,318	8,930
Other assets	(552)	975
Fund management and administration payable	1,231	(380)
Compensation and benefits payable	(3,938)	(21,170)
Securities sold, but not yet purchased, at fair value	(1,155)	1,077
Payable to ETFS Capital Limited		222
Operating lease liabilities	(1,760)
Accounts payable and other liabilities	(435)	(2,961)
Net cash provided by operating activities	15,359	9,014
Cash flows from investing activities:
Purchase of fixed assets	(15)	(34)
Funding of AdvisorEngine notes receivable (Note 8)	(1,540)	(5,000)
Proceeds from held-to-maturity securities maturing or called prior to maturity	39	1,063
Proceeds from sales and maturities of debt securities available-for-sale		64,498
Cash paid – ETFS Acquisition, net of cash acquired (Note 3)		(233,172)
Net cash used in investing activities	(1,516)	(172,645)
Cash flows from financing activities:
Dividends paid	(10,191)	(9,167)
Shares repurchased	(2,107)	(1,006)
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	14	139
Net cash (used in)/provided by financing activities	(12,284)	181,095
Increase/(decrease) in cash flow due to changes in foreign exchange rate	268	(913)
Net increase in cash and cash equivalents	1,827	16,551
Cash and cash equivalents—beginning of period	77,784	54,193
Cash and cash equivalents—end of period	79,611	70,744
Supplemental disclosure of cash flow information:
Cash paid for taxes	4,403	2,841
Cash paid for interest	$ 4,559	$ 1,241