Related Party Transactions - Summary of Fees and Revenue Related to the Managed REITs (Detail) - USD ($)
|
3 Months Ended |
9 Months Ended |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
$ 2,051,021
|
$ 1,192,665
|
$ 5,687,701
|
$ 1,221,727
|
| Strategic Storage Trust IV Property Management Agreement |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
367,256
|
288,026
|
1,039,753
|
296,300
|
| Strategic Storage Growth Trust II Property Management Agreement |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
90,069
|
40,222
|
241,624
|
40,822
|
| Strategic Storage Trust IV Advisory Agreement |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
813,052
|
490,844
|
2,358,906
|
506,470
|
| Strategic Storage Growth Trust II Advisory Agreement |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
281,839
|
117,380
|
788,932
|
121,942
|
| Strategic Storage Trust IV Tenant Program Revenue |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
252,885
|
120,498
|
610,635
|
120,498
|
| Strategic Storage Growth Trust II Tenant Program Revenue |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
|
73,011
|
15,895
|
152,624
|
15,895
|
| Other Managed REIT Revenue |
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
| Managed REIT Platform Revenues |
[1] |
$ 172,909
|
$ 119,800
|
$ 495,227
|
$ 119,800
|
|
|