Derivative Instruments - Summary of Fair Value of the Derivative Assets and Derivative Liabilities of Series I, Series II, and Company (Parenthetical) (Detail) - Foreign Exchange Forward [Member] $ in Thousands |
Jun. 30, 2026
USD ($)
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| Derivative [Line Items] | |
| Cash collateral | $ 32,820 |
| Collateral | 37,560 |
| Series I [Member] | |
| Derivative [Line Items] | |
| Cash collateral | 9,500 |
| Collateral | 10,872 |
| Series II [Member] | |
| Derivative [Line Items] | |
| Cash collateral | 23,320 |
| Collateral | $ 26,688 |
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- Definition Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of securities received as collateral against derivative assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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