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Stockholders' Equity and Noncontrolling Interests - Additional Information (Detail) |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |
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Nov. 13, 2021 shares | Sep. 13, 2021 $ / shares | Jul. 27, 2021 Agreement $ / shares shares | Jun. 29, 2021 USD ($) shares | Jun. 14, 2021 $ / shares | Mar. 15, 2021 $ / shares | Nov. 13, 2020 USD ($) shares | Sep. 30, 2021 USD ($) $ / shares shares | Jun. 30, 2021 $ / shares shares | Mar. 31, 2021 $ / shares | Sep. 30, 2020 $ / shares shares | Jun. 30, 2020 $ / shares | Mar. 31, 2020 $ / shares shares | Sep. 30, 2021 USD ($) $ / shares shares | Jul. 26, 2021 $ / shares shares | Dec. 31, 2020 $ / shares shares | May 31, 2016 shares
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend declared per share | $ / shares |  |  |  |  |  |  |  | $ 0.12 | $ 0.12 | $ 0.12 | $ 0.12 | $ 0.12 | $ 0.18 |  |  |  |
Dividends paid | $ |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  | $ 278,000 |  |  |
At-the-market agreement to sell common shares, maximum offer price | $ |  |  |  |  |  |  | $ 150,000,000 |  |  |  |  |  |  |  |  |  |
Common stock, par value | $ / shares |  |  | $ 0.01 |  |  |  |  | $ 0.01 |  |  |  |  |  | $ 0.01 | $ 0.01 | $ 0.01 |
Common stock, shares authorized |  |  | 500,000,000 |  |  |  |  | 500,000,000 |  |  |  |  |  | 500,000,000 | 300,000,000 | 500,000,000 | 4,300,000
Number of IROP unites exchanged | 122,155 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
OP Units outstanding | 552,360 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common shares (in Shares) |  |  |  |  |  |  |  |  | 2,932,000 |  |  |  | 3,406,000 |  |  |  |
Conversion of noncontrolling interest to common shares (in Shares) | 122,155 |  |  |  |  |  |  |  | 122,155 |  | 87,148 |  | 82,357 |  |  |  |
Underwriting Agreement | BMO Capital Markets and Bank of Montreal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common shares (in Shares) |  |  | 16,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  | $ 17.04 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriter's option to purchase additional shares |  |  | 2,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ATM Program | Forward Contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  | 2,932,000 |  |  | 2,932,000 |  |  |  |  |  |  |  |  |  |
Net proceeds | $ |  |  |  | $ 41,671,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Sale Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common shares (in Shares) |  |  | 16,100,000 |  |  |  |  |  |  |  |  |  |  | 16,100,000 |  |  |
Share price | $ / shares |  |  |  |  |  |  |  | $ 17.04 |  |  |  |  |  | $ 17.04 |  |  |
Number of agreements | Agreement |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement value of shares | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 272,156,000 |  |  |
Dividend Declared |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Declaration date |  | Sep. 13, 2021 |  |  | Jun. 14, 2021 | Mar. 15, 2021 |  |  |  |  |  |  |  |  |  |  |
Dividend declared per share | $ / shares |  | $ 0.12 |  |  | $ 0.12 | $ 0.12 |  |  |  |  |  |  |  |  |  |  |
Payment date |  | Oct. 22, 2021 |  |  | Jul. 23, 2021 | Apr. 23, 2021 |  |  |  |  |  |  |  |  |  |  |
Record date |  | Oct. 01, 2021 |  |  | Jul. 02, 2021 | Apr. 02, 2021 |  |  |  |  |  |  |  |  |  |  |
Dividend Declared | Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Declaration date |  | Sep. 13, 2021 |  |  | Jun. 14, 2021 | Mar. 15, 2021 |  |  |  |  |  |  |  |  |  |  |
Dividend declared per share | $ / shares |  | $ 0.12 |  |  | $ 0.12 | $ 0.12 |  |  |  |  |  |  |  |  |  |  |
Payment date |  | Oct. 22, 2021 |  |  | Jul. 23, 2021 | Apr. 23, 2021 |  |  |  |  |  |  |  |  |  |  |
Record date |  | Oct. 01, 2021 |  |  | Jul. 02, 2021 | Apr. 02, 2021 |  |  |  |  |  |  |  |  |  |  |

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