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Stockholders' Equity and Noncontrolling Interests - Additional Information (Detail) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Sep. 15, 2020 $ / shares | Jun. 15, 2020 $ / shares | Mar. 16, 2020 $ / shares | Feb. 20, 2020 Agreement $ / shares shares | Sep. 30, 2020 USD ($) $ / shares shares | Jun. 30, 2020 $ / shares | Mar. 31, 2020 USD ($) $ / shares shares | Sep. 30, 2019 $ / shares shares | Jun. 30, 2019 $ / shares shares | Mar. 31, 2019 $ / shares shares | Sep. 30, 2020 USD ($) shares
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividend declared per share | $ / shares |  |  |  |  | $ 0.12 | $ 0.12 | $ 0.18 | $ 0.18 | $ 0.18 | $ 0.18 |
Dividends paid | $ |  |  |  |  | $ 0 |  |  |  |  |  | $ 161
Limited partnership interest received in exchange for issuance of common stock |  |  |  |  | 87,148 |  |  |  |  |  | 169,505
OP Units outstanding |  |  |  |  | 701,986 |  |  |  |  |  | 701,986
Common Shares |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock issued |  |  |  |  |  |  | 3,406,000 | 972,887 | 65,704 | 510,000 |
Conversion of noncontrolling interest to common shares (in Shares) |  |  |  |  | 87,148 |  | 82,357 |  |  |  | 169,505
Forward Sale Agreement |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock issued |  |  |  | 10,350,000 |  |  |  |  |  |  |
Share price | $ / shares |  |  |  | $ 14.688 |  |  |  |  |  |  |
Number of agreements | Agreement |  |  |  | 2 |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  | 3,406,000 |  |  |  |
Settlement value of shares | $ |  |  |  |  |  |  | $ 50,000 |  |  |  |
Settlement of remaining shares |  |  |  |  |  |  |  |  |  |  | 6,944,000
Proceeds from sale of stock upon settlement | $ |  |  |  |  |  |  |  |  |  |  | $ 98,845
Underwriting Agreement | BMO Capital Markets and Bank of Montreal |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock issued |  |  |  | 10,350,000 |  |  |  |  |  |  |
Share price | $ / shares |  |  |  | $ 14.688 |  |  |  |  |  |  |
Underwriter's option to purchase additional shares |  |  |  | 1,350,000 |  |  |  |  |  |  |
Dividend Declared |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Declaration date | Sep. 15, 2020 | Jun. 15, 2020 | Mar. 16, 2020 |  |  |  |  |  |  |  |
Dividend declared per share | $ / shares | $ 0.12 | $ 0.12 | $ 0.18 |  |  |  |  |  |  |  |
Payment date | Oct. 23, 2020 | Jul. 24, 2020 | Apr. 24, 2020 |  |  |  |  |  |  |  |
Record date | Oct. 02, 2020 | Jul. 02, 2020 | Apr. 02, 2020 |  |  |  |  |  |  |  |
Dividend Declared | Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Declaration date | Sep. 15, 2020 | Jun. 15, 2020 | Mar. 16, 2020 |  |  |  |  |  |  |  |
Dividend declared per share | $ / shares | $ 0.12 | $ 0.12 | $ 0.18 |  |  |  |  |  |  |  |
Payment date | Oct. 23, 2020 | Jul. 24, 2020 | Apr. 24, 2020 |  |  |  |  |  |  |  |
Record date | Oct. 02, 2020 | Jul. 02, 2020 | Apr. 02, 2020 |  |  |  |  |  |  |  |

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