Derivative Instruments - Schedule of Fair Value of Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	$ 55,906	$ 46,042
Derivative liabilities, at fair value	6,332	4,986
Interest Rate Risk
Derivatives, Fair Value [Line Items]
Derivative liabilities, at fair value		4,021
Interest Rate Risk \| Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value		1,389
Derivative liabilities, at fair value	6,295
Interest Rate Risk \| Swaptions
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	258
Currency Risk \| Forwards
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	4,016
Derivative liabilities, at fair value		935
Credit Default Swaps \| Credit Risk
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	51,632	44,653
Derivative liabilities, at fair value	37	30
Series I
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	8,982	8,924
Derivative liabilities, at fair value	1,017	966
Series I \| Interest Rate Risk
Derivatives, Fair Value [Line Items]
Derivative liabilities, at fair value		779
Series I \| Interest Rate Risk \| Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value		269
Derivative liabilities, at fair value	1,011
Series I \| Interest Rate Risk \| Swaptions
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	41
Series I \| Currency Risk \| Forwards
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	645
Derivative liabilities, at fair value		181
Series I \| Credit Default Swaps \| Credit Risk
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	8,296	8,655
Derivative liabilities, at fair value	6	6
Series II
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	46,924	37,118
Derivative liabilities, at fair value	5,315	4,020
Series II \| Interest Rate Risk
Derivatives, Fair Value [Line Items]
Derivative liabilities, at fair value		3,242
Series II \| Interest Rate Risk \| Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value		1,120
Derivative liabilities, at fair value	5,284
Series II \| Interest Rate Risk \| Swaptions
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	217
Series II \| Currency Risk \| Forwards
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	3,371
Derivative liabilities, at fair value		754
Series II \| Credit Default Swaps \| Credit Risk
Derivatives, Fair Value [Line Items]
Derivative assets, at fair value	43,336	35,998
Derivative liabilities, at fair value	$ 31	$ 24