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Debt - Credit Facilities - Narrative (Detail) - Credit facilities - USD ($) | Mar. 31, 2023 | Mar. 13, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Maximum Borrowing Capacity | $ 200,000,000 |  |
Credit Suisse AG, Cayman Islands |  |  |
Debt Instrument [Line Items] |  |  |
Short-term debt | 25,000,000 |  | $ 23,000,000
Credit Suisse AG, Cayman Islands | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Maximum Borrowing Capacity | 50,000,000 | $ 50,000,000 | 100,000,000
Credit Suisse and Citibank, N.A |  |  |
Debt Instrument [Line Items] |  |  |
Short-term debt | $ 28,000,000 |  | $ 28,000,000

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