Consolidated Condensed Schedule of Investments Derivative Liabilities at Fair Value (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Summary of Investment Holdings [Line Items]
Derivative assets at cost	$ 53,372	$ 44,049
Derivative liabilities at cost	26	(22)
Series I
Summary of Investment Holdings [Line Items]
Derivative assets at cost	8,575	8,771
Derivative liabilities at cost	4	(5)
Series II
Summary of Investment Holdings [Line Items]
Derivative assets at cost	44,797	35,278
Derivative liabilities at cost	22	(17)
Open Futures Contract, Identifier [Axis]: Contract name American Airlines Group Inc. (AMR Corp), Notional amount of $107; $443; $550, respectively Type Credit Default Swaps Maturity 12/20/2029
Summary of Investment Holdings [Line Items]
Notional amount		550
Open Futures Contract, Identifier [Axis]: Contract name American Airlines Group Inc. (AMR Corp), Notional amount of $107; $443; $550, respectively Type Credit Default Swaps Maturity 12/20/2029 Series I
Summary of Investment Holdings [Line Items]
Notional amount		107
Open Futures Contract, Identifier [Axis]: Contract name American Airlines Group Inc. (AMR Corp), Notional amount of $107; $443; $550, respectively Type Credit Default Swaps Maturity 12/20/2029 Series II
Summary of Investment Holdings [Line Items]
Notional amount		443
Open Futures Contract, Identifier [Axis]: Contract name CDS (Multiple), Notional amount of $8,274; $43,226; $51,500, respectively Type Credit Default Swaps Maturity 08/19/2029 - 10/10/2030
Summary of Investment Holdings [Line Items]
Notional amount	51,500
Open Futures Contract, Identifier [Axis]: Contract name CDS (Multiple), Notional amount of $8,274; $43,226; $51,500, respectively Type Credit Default Swaps Maturity 08/19/2029 - 10/10/2030 Series I
Summary of Investment Holdings [Line Items]
Notional amount	8,274
Open Futures Contract, Identifier [Axis]: Contract name CDS (Multiple), Notional amount of $8,274; $43,226; $51,500, respectively Type Credit Default Swaps Maturity 08/19/2029 - 10/10/2030 Series II
Summary of Investment Holdings [Line Items]
Notional amount	43,226
Open Futures Contract, Identifier [Axis]: Contract name CDS (Multiple), Notional amount of $8,528; $35,472; $44,000, respectively Type Credit Default Swaps Maturity 08/19/2029 - 10/10/2030
Summary of Investment Holdings [Line Items]
Notional amount		44,000
Open Futures Contract, Identifier [Axis]: Contract name CDS (Multiple), Notional amount of $8,528; $35,472; $44,000, respectively Type Credit Default Swaps Maturity 08/19/2029 - 10/10/2030 Series I
Summary of Investment Holdings [Line Items]
Notional amount		8,528
Open Futures Contract, Identifier [Axis]: Contract name CDS (Multiple), Notional amount of $8,528; $35,472; $44,000, respectively Type Credit Default Swaps Maturity 08/19/2029 - 10/10/2030 Series II
Summary of Investment Holdings [Line Items]
Notional amount		35,472
Open Futures Contract, Identifier [Axis]: Contract name Swaps American Airlines Group Inc. (AMR Corp), Notional amount of $88; $462; $550, respectively Type Credit Default Swaps Maturity 12/20/2029
Summary of Investment Holdings [Line Items]
Notional amount	550
Open Futures Contract, Identifier [Axis]: Contract name Swaps American Airlines Group Inc. (AMR Corp), Notional amount of $88; $462; $550, respectively Type Credit Default Swaps Maturity 12/20/2029 Series I
Summary of Investment Holdings [Line Items]
Notional amount	88
Open Futures Contract, Identifier [Axis]: Contract name Swaps American Airlines Group Inc. (AMR Corp), Notional amount of $88; $462; $550, respectively Type Credit Default Swaps Maturity 12/20/2029 Series II
Summary of Investment Holdings [Line Items]
Notional amount	462
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $118,891; $621,109; $740,000, respectively Type Interest Rate Swaps Maturity 03/07/2027 - 07/02/2029
Summary of Investment Holdings [Line Items]
Notional amount	740,000
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $118,891; $621,109; $740,000, respectively Type Interest Rate Swaps Maturity 03/07/2027 - 07/02/2029 Series I
Summary of Investment Holdings [Line Items]
Notional amount	118,891
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $118,891; $621,109; $740,000, respectively Type Interest Rate Swaps Maturity 03/07/2027 - 07/02/2029 Series II
Summary of Investment Holdings [Line Items]
Notional amount	621,109
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $90,125; $374,875; $465,000, respectively Type Interest Rate Swaps Maturity 03/07/2027 - 11/04/2028
Summary of Investment Holdings [Line Items]
Notional amount		465,000
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $90,125; $374,875; $465,000, respectively Type Interest Rate Swaps Maturity 03/07/2027 - 11/04/2028 Series I
Summary of Investment Holdings [Line Items]
Notional amount		90,125
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $90,125; $374,875; $465,000, respectively Type Interest Rate Swaps Maturity 03/07/2027 - 11/04/2028 Series II
Summary of Investment Holdings [Line Items]
Notional amount		$ 374,875
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $96,398; $503,602; $600,000, respectively Type Swaptions Maturity 02/26/2027
Summary of Investment Holdings [Line Items]
Notional amount	600,000
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $96,398; $503,602; $600,000, respectively Type Swaptions Maturity 02/26/2027 Series I
Summary of Investment Holdings [Line Items]
Notional amount	96,398
Open Futures Contract, Identifier [Axis]: Contract name USD Currency, Notional amount of $96,398; $503,602; $600,000, respectively Type Swaptions Maturity 02/26/2027 Series II
Summary of Investment Holdings [Line Items]
Notional amount	$ 503,602