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Derivatives - Schedule of Futures and Options (Details) $ in Thousands | Mar. 31, 2023 USD ($)
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U.S. Treasury futures |
Derivative [Line Items] |
Margin Deposit Assets | $ 114,590
Variation Margin Payable, Derivative | 17,337
Options on U.S. Treasury futures |
Derivative [Line Items] |
Derivative, Premium Paid | $ 4,034

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