Quarterly report pursuant to Section 13 or 15(d)

Other Assets, Net - Additional Information (Detail)

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Other Assets, Net - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Other Assets [Abstract]    
Proceeds from mortgage loans held for investment $ 368.6 $ 380.3