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Note 18 -Variable Interest Entities - Consolidated VIEs (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash and cash equivalents	$ 41,996	$ 8,304
Receivables from brokers, dealers, and clearing agencies	52,917	96,132
Other investments, at fair value	58,540	14,864
Investments in equity method affiliates	13,482	3,799
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	270
Receivables from brokers, dealers, and clearing agencies	2,112
Other investments, at fair value	36,395
Investments in equity method affiliates	9,805	3,222
Non-controlling interest	(27,805)	(2,262)
Investment in consolidated VIEs	$ 20,777	$ 960

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Amount of investments, other than trading securities, measured at fair value.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables.

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