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Real Estate Facilities - Additional Information (Detail) $ / shares in Units, shares in Millions |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 05, 2023 USD ($) | Jun. 01, 2022 USD ($) ft² Landparcel StorageProperty StorageFacility State RealEstateVenture $ / shares | Dec. 30, 2021 StorageFacility | Mar. 17, 2021 USD ($) ft² StorageUnit StorageFacility State RealEstateVenture shares | Nov. 10, 2020 RealEstateVenture | Dec. 31, 2023 USD ($) RealEstateVenture Property $ / shares | Dec. 31, 2022 State StorageFacility $ / shares | Mar. 31, 2023 Property
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of self storage facilities | StorageFacility |  |  | 2 |  |  |  | 154 |
Number of states located for self storage facilities | State |  |  |  |  |  |  | 19 |
Acquisitions |  |  |  |  |  | $ 23,696,536 |  |
Consideration transferred |  |  |  |  |  | 10,500,000 |  |
Forfeit earnest money |  |  |  |  |  | 200,000 |  |
Minority and Marketability Discount |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Alternative investment, measurement input |  | 0.06 |  | 0.06 |  |  |  |
Canada |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of self storage units | RealEstateVenture |  | 7,740 |  |  |  |  |  |
Consideration transferred |  |  |  |  |  | $ 7,600,000 |  |
SST IV Merger Agreement |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of self storage facilities | StorageFacility |  |  |  | 24 |  |  |  |
Number of states located for self storage facilities | State |  |  |  | 9 |  |  |  |
Number of self storage units | StorageUnit |  |  |  | 18,000 |  |  |  |
Number of operating self storage facilities | Property |  |  |  |  |  |  |  | 3
Cost related to acquisition |  |  |  | $ 8,400,000 |  |  |  |
Percentage of voting membership interest |  |  |  | 50.00% |  |  |  |
Net rentable area, primarily self storage space | ft² |  |  |  | 2,000,000 |  |  |  |
SST IV Merger Agreement | Canada |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of self storage real estate joint ventures | RealEstateVenture |  |  |  |  | 6 |  |  |
Number of operating self storage facilities | StorageFacility |  |  |  | 3 |  |  |  |
Number of parcels of land in various stages of development into self storage facilities | StorageFacility |  |  |  | 3 |  |  |  |
Number of unconsolidated real estate ventures | RealEstateVenture |  |  |  | 6 |  |  |  |
Strategic Storage Trust IV, Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration transferred |  |  |  | $ 286,028,173 |  |  |  |
SSGT II Merger Agreement |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Conversion of right to receive shares, description |  | converted into the right to receive 0.9118 shares of our Class A Shares |  |  |  |  |  |
Number of self storage facilities | StorageFacility |  | 10 |  |  |  |  |  |
Number of states located for self storage facilities | State |  | 7 |  |  |  |  |  |
Number of operating self storage facilities | Property |  |  |  |  |  | 1 |  |
Cost related to acquisition |  | $ 2,000,000 |  |  |  |  |  |
Intangible asset | $ 8,000,000 | 8,000,000 |  |  |  |  |  |
Bridge Loan | 10,400,000 |  |  |  |  |  |  |
Consideration transferred | 15,500,000 | $ 261,158,513 |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares |  | $ 0.001 |  |  |  |  |  |
Percentage of voting membership interest |  | 50.00% |  |  |  |  |  |
Number of operating self storage property | StorageProperty |  | 1 |  |  |  |  |  |
Number of land parcel developed into self storage facilities | Landparcel |  | 2 |  |  |  |  |  |
Remaining percentage of membership interest |  | 50.00% |  |  |  |  |  |
SSGT II Merger Agreement | Canada |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of self storage real estate joint ventures | RealEstateVenture |  |  |  |  |  | 3 |  |
Number of operating self storage facilities | RealEstateVenture |  |  |  |  |  | 2 |  |
Number of parcels of land in various stages of development into self storage facilities | RealEstateVenture |  |  |  |  |  | 1 |  |
Number of land parcel developed into self storage facilities | Landparcel |  | 1 |  |  |  |  |  |
Acquisition of Self Storage Facility |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Net rentable area, primarily self storage space | ft² |  | 853,900 |  |  |  |  |  |
San Gabriel Property |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisitions | $ 23,700,000 |  |  |  |  |  |  |
Class A Common stock |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares |  |  |  |  |  | $ 0.001 | $ 0.001 |
Class A Common stock | SST IV Merger Agreement |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Issuance of common stock in connection with SST IV Merger (in shares) | shares |  |  |  | 23.1 |  |  |  |
Class A Common stock | SSGT II Merger Agreement |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Common stock issued |  | $ 11,500,000 |  |  |  |  |  |

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- Definition The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 932 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479664/932-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 932 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(3)(ii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479664/932-10-S99-1 + Details
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