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Fair Value - Additional Information (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2024 USD ($)
Servicing Assets At Fair Value [Line Items] |
Impairment charge | $ 8,500
Two Corporate Bond [Member] | Level 3 [Member] |
Servicing Assets At Fair Value [Line Items] |
Amortized cost basis | $ 750

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