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Related Party Transactions - Summary of Fees and Revenue Related to the Managed REITs (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | $ 11,939,954 | $ 7,819,216 | $ 6,322,970
Sponsor funding reduction | [1] | (33,643) |  |
Total Managed REIT Platform Revenues |  | 11,906,311 | 7,819,216 | 6,322,970
Asset Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 4,437,234 | 2,292,331 | 2,738,329
Property Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 2,339,958 | 1,454,569 | 1,272,298
Tenant Protection Program |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 1,298,912 | 841,691 | 1,132,477
Acquisition Fees |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 3,307,497 | 2,692,168 | 649,623
Strategic Storage Trust IV Advisory Agreement | Asset Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [2] |  |  | 716,278
Strategic Storage Growth Trust II Advisory Agreement | Asset Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [3] |  | 798,395 | 1,843,769
Strategic Storage Trust V I Advisory Agreement | Asset Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 3,420,040 | 1,348,314 | 178,282
Strategic Storage Trust V I Advisory Agreement | Property Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 1,243,056 | 551,493 | 99,602
Strategic Storage Trust V I Advisory Agreement | Tenant Protection Program |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 841,582 | 396,758 | 158,662
Strategic Storage Trust V I Advisory Agreement | Acquisition Fees |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 2,470,497 | 1,846,168 | 649,623
Strategic Storage Growth Trust I I I Advisory Agreement | Asset Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 1,017,194 | 145,622 |
JV Properties Property Management Agreement | Property Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 738,408 | 432,944 | 116,984
JV Properties Property Management Agreement | Tenant Protection Program |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 271,221 | 186,658 | 51,185
Strategic Storage Trust IV Property Management Agreement | Property Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [2] |  |  | 346,179
Strategic Storage Growth Trust II Property Management Agreement | Property Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [3] |  | 407,706 | 709,533
Strategic Storage Growth Trust I I I Property Management Agreement | Property Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 358,494 | 62,426 |
Strategic Storage Trust IV Tenant Program Revenue | Tenant Protection Program |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [2] |  |  | 285,959
Strategic Storage Growth Trust II Tenant Program Revenue | Tenant Protection Program |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [3] |  | 250,156 | 636,671
Strategic Storage Growth Trust I I I Tenant Protection Program Revenue | Tenant Protection Program |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 186,109 | 8,119 |
Strategic Storage Growth Trust III Acquisition Fees Revenue | Acquisition Fees |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues |  | 837,000 | 846,000 |
Other Managed REIT Revenue |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Managed REIT Platform Revenues | [4] | $ 556,353 | $ 538,457 | $ 530,243
[1] | Pursuant to the Sponsor Funding Agreement, SmartStop funds certain costs of SST VI's share sales, and in return receives Series C Units in SST VI's OP. The excess of the funding over the value of the Series C Units received is accounted for as a reduction of Managed REIT Platform revenues from SST VI over the remaining estimated term of the management contracts with SST VI.
[2] | On March 17, 2021, we acquired SST IV and no longer earn such fees. Additionally, the Tenant Protection Program revenue for SST IV is now included in ancillary operating revenue in our consolidated statements of operations.
[3] | On June 1, 2022, we acquired SSGT II and no longer earn such fees. Additionally, the Tenant Protection Program revenue for SSGT II is now included in ancillary operating revenue in our consolidated statements of operations.
[4] | Such revenue primarily includes other property management related fees, construction management fees, development fees, and other miscellaneous revenues.

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