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Note 9 - Derivative Financial Instruments (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2024	Dec. 31, 2023
Other Extended Settlement Trade [Member] | Long [Member]
Derivative, Notional Amount	$ 0			$ 0
Equity Derivatives [Member] | Short [Member]
Derivative Asset	876			1,447
TBA and Other Forward MBS [Member] | Long [Member]
Derivative, Notional Amount	1,111,500			592,000
TBA and Other Forward MBS [Member] | Short [Member]
Derivative, Notional Amount	1,134,610			618,425
Foreign Exchange Forward [Member]
Derivative, Notional Amount			$ 0	$ 0
Share Forward Liabilities [Member]
Gain (Loss) on Investments	$ (17,088)	$ (13,634)

X

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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