Quarterly report pursuant to Section 13 or 15(d)

HMBS Related Obligations, at Fair Value - Summary of HMBS Related Obligations, At Fair Value (Detail)

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HMBS Related Obligations, at Fair Value - Summary of HMBS Related Obligations, At Fair Value (Detail) - Home Equity Conversion Mortgage Backed Security - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Home Equity Conversion Mortgage Backed Security Related to Obligations At Fair Value [Line Items]    
Ginnie Mae loan pools - UPB $ 17,320,933 $ 16,875,437
Fair value adjustments 659,299 478,283
Total HMBS related obligations, at fair value $ 17,980,232 $ 17,353,720
Weighted average remaining life (in years) 3 years 10 months 24 days 4 years 1 month 6 days
Weighted average interest rate (in percent) 6.70% 6.60%