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Stockholders' Equity and Noncontrolling Interests - Additional Information (Detail) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 29, 2021 | Jun. 14, 2021 | Mar. 15, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jul. 27, 2021 | Dec. 31, 2020 | Nov. 30, 2020 | May 31, 2016
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Dividend declared per share |  |  |  | $ 0.12 | $ 0.12 | $ 0.12 | $ 0.18 |  |  |  |  |
Dividends paid |  |  |  | $ 4,000 |  |  |  | $ 278,000 |  |  |  |
At-the-market agreement to sell common shares, maximum offer price |  |  |  |  |  |  |  |  |  |  | $ 150,000,000 |
Number of shares issued | 2,932,000 |  |  |  |  |  |  |  |  |  |  |
Net proceeds | $ 41,671 |  |  |  |  |  |  |  |  |  |  |
Common stock, par value |  |  |  | $ 0.01 |  |  |  | $ 0.01 |  | $ 0.01 |  |
Common stock, shares authorized |  |  |  | 300,000,000 |  |  |  | 300,000,000 |  | 300,000,000 |  | 4,300,000
Number of IROP unites exchanged |  |  |  | 122,155 |  |  |  | 122,155 |  |  |  |
OP Units outstanding |  |  |  | 552,360 |  |  |  | 552,360 |  |  |  |
Common Shares |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Conversion of noncontrolling interest to common shares (in Shares) |  |  |  | 122,155 |  |  | 82,357 | 122,155 |  |  |  |
Forecast |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value |  |  |  |  |  |  |  |  | $ 0.01 |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  |  | 500,000,000 |  |  |
Dividend Declared |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Declaration date |  | Jun. 14, 2021 | Mar. 15, 2021 |  |  |  |  |  |  |  |  |
Dividend declared per share |  | $ 0.12 | $ 0.12 |  |  |  |  |  |  |  |  |
Payment date |  | Jul. 23, 2021 | Apr. 23, 2021 |  |  |  |  |  |  |  |  |
Record date |  | Jul. 02, 2021 | Apr. 02, 2021 |  |  |  |  |  |  |  |  |
Dividend Declared | Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Declaration date |  | Jun. 14, 2021 | Mar. 15, 2021 |  |  |  |  |  |  |  |  |
Dividend declared per share |  | $ 0.12 | $ 0.12 |  |  |  |  |  |  |  |  |
Payment date |  | Jul. 23, 2021 | Apr. 23, 2021 |  |  |  |  |  |  |  |  |
Record date |  | Jul. 02, 2021 | Apr. 02, 2021 |  |  |  |  |  |  |  |  |

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