v3.21.2

Business Description - Additional Information (Detail) |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Sep. 21, 2020 $ / shares shares | Sep. 18, 2020 $ / shares shares | Feb. 07, 2020 USD ($) | Sep. 30, 2021 USD ($) State Property $ / shares shares | Jun. 30, 2021 shares | Mar. 31, 2021 shares | Sep. 30, 2020 USD ($) shares | Jun. 30, 2020 shares | Mar. 31, 2020 shares | Sep. 30, 2021 USD ($) State Property $ / shares shares | Sep. 30, 2020 USD ($) | Dec. 31, 2020 $ / shares shares
Business Description [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Date of incorporation |  |  |  |  |  |  |  |  |  | Oct. 18, 2007 |  |
Number of leased commercial properties owned | Property |  |  |  | 696 |  |  |  |  |  | 696 |  |
Internalization fees | $ |  |  |  |  |  |  | $ 1,929,000 |  |  |  | $ 3,523,000 |
Common stock, shares outstanding |  | 26,944,000 |  | 161,255,000 |  |  |  |  |  | 161,255,000 |  | 108,609,000
Common stock, par value | $ / shares |  | $ 0.001 |  | $ 0.00025 |  |  |  |  |  | $ 0.00025 |  | $ 0.00025
Issuance of shares of common stock, shares |  |  |  |  |  |  |  |  |  | 1,089 |  |
IPO |  |  |  |  |  |  |  |  |  |  |  |
Business Description [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value | $ / shares | $ 0.00025 |  |  |  |  |  |  |  |  |  |  |
Issuance of shares of common stock, shares | 37,000,000 |  |  |  |  |  |  |  |  |  |  |
Offering price | $ / shares | $ 17.00 |  |  |  |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Business Description [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock split |  | 4 |  |  |  |  |  |  |  |  |  |
Issuance of shares of common stock, shares |  |  |  | 957,000 | 11,659,000 | 211,000 | 341,000 | 11,000 | 293,000 |  |  |
Property Management Agreement and Asset Management Agreement | Merger Agreement |  |  |  |  |  |  |  |  |  |  |  |
Business Description [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Internalization fees | $ |  |  | $ 0 |  |  |  |  |  |  |  |  |
U.S. |  |  |  |  |  |  |  |  |  |  |  |
Business Description [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of leased commercial properties owned | Property |  |  |  | 695 |  |  |  |  |  | 695 |  |
Number of States in which properties located | State |  |  |  | 42 |  |  |  |  |  | 42 |  |
British Columbia, Canada |  |  |  |  |  |  |  |  |  |  |  |
Business Description [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of leased commercial properties owned | Property |  |  |  | 1 |  |  |  |  |  | 1 |  |

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