v3.21.2

Internalization - Additional Information (Detail) |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 07, 2020 USD ($) Tranche | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) $ / shares | Sep. 30, 2020 USD ($)
Internalization [Line Items] |  |  |  |
Payment of cash at earnout milestone |  |  | $ 13,048,000 |
Merger Agreement |  |  |  |
Internalization [Line Items] |  |  |  |
Number of tranches | Tranche | 4 |  |  |
VWAP per REIT Share Days | 40 days |  |  |
Merger Agreement | Maximum |  |  |  |
Internalization [Line Items] |  |  |  |
Additional consideration payable | $ 75,000 |  |  |
Merger Agreement | Tranche One |  |  |  |
Internalization [Line Items] |  |  |  |
Additional consideration payable | 10,000,000 |  |  |
40-Day VWAP of a REIT Share | $ / shares |  |  | $ 22.50 |
Merger Agreement | Tranche Two |  |  |  |
Internalization [Line Items] |  |  |  |
Additional consideration payable | 15,000,000 |  |  |
40-Day VWAP of a REIT Share | $ / shares |  |  | 23.75 |
Merger Agreement | Tranche Three |  |  |  |
Internalization [Line Items] |  |  |  |
Additional consideration payable | 25,000,000 |  |  |
40-Day VWAP of a REIT Share | $ / shares |  |  | 24.375 |
Merger Agreement | Tranche Four |  |  |  |
Internalization [Line Items] |  |  |  |
Additional consideration payable | $ 25,000,000 |  |  |
40-Day VWAP of a REIT Share | $ / shares |  |  | $ 25.00 |
Elimination of Internalization Expenses and Asset Management, Property Management, and Disposition Fees and Adjustments to Reflect Incremental Interest Expense | Internalization Expenses |  |  |  |
Internalization [Line Items] |  |  |  |
Business combination pro forma adjustments income |  | $ 1,929,000 |  | $ 8,068,000

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