Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Summary Of Significant Accounting Policies [Line Items]
Money market funds	$ 5,758		$ 5,758		$ 51,783
Organizational expenses	102	$ 466	102	$ 874
Offering expenses	160	100	320	100
Cash Collateral	$ 22,928		$ 22,928		2,727
Change in accounting principle, accounting standards update, immaterial effect [true false]	true		true
SOFR Futures Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	$ 11,315		$ 11,315		886
Foreign Currency Forward Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	10,690		10,690		770
Credit Default Swaps
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	433		433		581
Swap Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	490		490		490
Series I
Summary Of Significant Accounting Policies [Line Items]
Money market funds	948		948		14,594
Organizational expenses	25	(518)	25	(314)
Offering expenses	40	0	80	0
Cash Collateral	5,471		5,471		793
Reserves for uncertain tax positions	0	0	0	0
Series I | SOFR Futures Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	2,700		2,700		258
Series I | Foreign Currency Forward Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	2,551		2,551		224
Series I | Credit Default Swaps
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	103		103		169
Series I | Swap Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	117		$ 117		142
Series I | Maximum
Summary Of Significant Accounting Policies [Line Items]
Income tax returns subject to examination period			5 years
Series I | Minimum
Summary Of Significant Accounting Policies [Line Items]
Income tax returns subject to examination period			3 years
Series II
Summary Of Significant Accounting Policies [Line Items]
Money market funds	4,810		$ 4,810		37,189
Organizational expenses	77	984	77	1,188
Offering expenses	120	100	240	100
Cash Collateral	17,457		17,457		1,934
Reserves for uncertain tax positions	0	$ 0	0	$ 0
Series II | SOFR Futures Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	8,615		8,615		628
Series II | Foreign Currency Forward Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	8,139		8,139		546
Series II | Credit Default Swaps
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	330		330		412
Series II | Swap Contracts
Summary Of Significant Accounting Policies [Line Items]
Cash Collateral	$ 373		$ 373		$ 348
Series II | Maximum
Summary Of Significant Accounting Policies [Line Items]
Income tax returns subject to examination period			5 years
Series II | Minimum
Summary Of Significant Accounting Policies [Line Items]
Income tax returns subject to examination period			3 years