Impairment Charges - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
|
Schedule Of Investments [Line Items] | ||||
Impairment charges | $ 7,270 | $ 0 | ||
Reserve of preferred equity interests, net | $ 0 | $ (4,878) | $ 0 | (22,935) |
BRE DDR Joint Ventures [Member] | ||||
Schedule Of Investments [Line Items] | ||||
Reserve of preferred equity interests, net | $ 4,900 | $ 22,900 |