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Stock Transactions and Unit Redemptions - Summary of Changes in Carrying Amount of FPUs (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Redeemable Partnership Interest[Roll Forward] |  |
Balance at beginning of period | $ 18,761 | $ 20,674
Consolidated net income allocated to FPUs | 968 | 2,031
Earnings distributions | (2,041) | (957)
FPUs exchanged | (1,339) | (1,129)
FPUs redeemed | (830) | (1,858)
Balance at end of period | $ 15,519 | $ 18,761

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