Derivative Instruments - Summary of Offsetting of Financial and Derivative Assets and Liabilities (Details) $ in Thousands	Sep. 30, 2024 USD ($)
Offsetting Assets [Line Items]
Derivative assets gross amounts	$ 6,000
Derivative assets financial instruments gross amounts not offset	0
Derivative assets collateral received gross amounts not offset	0
Derivative assets gross amounts not offset	6,000
Derivative lliabilities gross amounts	(13)
Derivative liabilities financial instruments gross amounts not offset	0
Derivative liabilities collateral received gross amounts not offset	0
Derivative liabilities gross amounts not offset	(13)
Collateral held
Offsetting Assets [Line Items]
Derivative assets gross amounts	6,000
Derivative assets financial instruments gross amounts not offset	0
Derivative assets collateral received gross amounts not offset	0
Derivative assets gross amounts not offset	6,000
Derivative lliabilities gross amounts	(13)
Derivative liabilities financial instruments gross amounts not offset	0
Derivative liabilities collateral received gross amounts not offset	0
Derivative liabilities gross amounts not offset	(13)
Series I
Offsetting Assets [Line Items]
Derivative assets gross amounts	963
Derivative assets financial instruments gross amounts not offset	0
Derivative assets collateral received gross amounts not offset	0
Derivative assets gross amounts not offset	963
Derivative lliabilities gross amounts	(2)
Derivative liabilities financial instruments gross amounts not offset	0
Derivative liabilities collateral received gross amounts not offset	0
Derivative liabilities gross amounts not offset	(2)
Series I | Collateral held
Offsetting Assets [Line Items]
Derivative assets gross amounts	963
Derivative assets financial instruments gross amounts not offset	0
Derivative assets collateral received gross amounts not offset	0
Derivative assets gross amounts not offset	963
Derivative lliabilities gross amounts	(2)
Derivative liabilities financial instruments gross amounts not offset	0
Derivative liabilities collateral received gross amounts not offset	0
Derivative liabilities gross amounts not offset	(2)
Series II
Offsetting Assets [Line Items]
Derivative assets gross amounts	5,037
Derivative assets financial instruments gross amounts not offset	0
Derivative assets collateral received gross amounts not offset	0
Derivative assets gross amounts not offset	5,037
Derivative lliabilities gross amounts	(11)
Derivative liabilities financial instruments gross amounts not offset	0
Derivative liabilities collateral received gross amounts not offset	0
Derivative liabilities gross amounts not offset	(11)
Series II | Collateral held
Offsetting Assets [Line Items]
Derivative assets gross amounts	5,037
Derivative assets financial instruments gross amounts not offset	0
Derivative assets collateral received gross amounts not offset	0
Derivative assets gross amounts not offset	5,037
Derivative lliabilities gross amounts	(11)
Derivative liabilities financial instruments gross amounts not offset	0
Derivative liabilities collateral received gross amounts not offset	0
Derivative liabilities gross amounts not offset	$ (11)