Related Party Transactions - Additional Information (Detail1)
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12 Months Ended |
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Jan. 26, 2026 |
Oct. 30, 2025
USD ($)
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Oct. 29, 2025
USD ($)
shares
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Sep. 04, 2025
USD ($)
$ / shares
shares
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Jun. 18, 2025
USD ($)
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Apr. 29, 2024
USD ($)
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Dec. 15, 2023
USD ($)
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Dec. 31, 2025
USD ($)
d
$ / shares
shares
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
USD ($)
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Jan. 23, 2026
USD ($)
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Jun. 27, 2025
USD ($)
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Jan. 28, 2025
USD ($)
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Aug. 07, 2024
$ / shares
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Nov. 01, 2023
$ / shares
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| Related Party Transaction [Line Items] |
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| Reimbursement of stock dividend |
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$ 6,600,000
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| Number of preferred unit additionally purchased | shares |
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800,000
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| Upfront sales commission |
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3.00%
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| Upfront dealer manager |
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3.00%
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| Organization and offering expense |
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1.00%
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| Due to affiliates |
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$ 0
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$ 362,000
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| Preferred stock price per share | $ / shares |
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$ 25
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| Managed Platform expense |
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| Related Party Transaction [Line Items] |
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| Reimbursements payable to SAM under the Administrative Services Agreement |
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$ 700,000
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800,000
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$ 500,000
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| Managed Platform revenue |
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| Related Party Transaction [Line Items] |
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| Percentage of revenue from tenant protection programs |
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0.10%
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| Strategic Transfer Agent Services, LLC |
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| Related Party Transaction [Line Items] |
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| Transition fee |
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$ 150,000
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| TRS Subsidiary | Managed Platform revenue |
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| Related Party Transaction [Line Items] |
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| Percentage of revenue from tenant protection programs |
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99.90%
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| Managed REIT |
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| Related Party Transaction [Line Items] |
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| Equity method investment, ownership percentage |
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0.10%
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| Managed REIT | TRS Subsidiary |
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| Related Party Transaction [Line Items] |
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| Equity method investment, ownership percentage |
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99.90%
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| Series E Preferred Stock |
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| Related Party Transaction [Line Items] |
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| Proceeds from issuance of preferred stock and preference stock |
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$ 75,000,000
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| Preferred Stock, Dividend Rate, Percentage |
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8.00%
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| Series D Cumulative Redeemable Preferred Unit |
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| Related Party Transaction [Line Items] |
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| Number of preferred units purchased | shares |
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1,400,000
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| Preferred stock purchase consideration |
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$ 35,000,000
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| Number of preferred unit additionally purchased | shares |
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400,000
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| Additional purchase consideration |
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$ 10,000,000
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| Preferred stock price per share | $ / shares |
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$ 25
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| Related Party | Managed Platform revenue |
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| Related Party Transaction [Line Items] |
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| Receivables due from related parties |
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$ 23,400,000
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16,700,000
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| SmartStop Asset Management | Strategic Transfer Agent Services, LLC |
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| Related Party Transaction [Line Items] |
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| Percentage of membership interest |
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100.00%
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| SST VI |
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| Related Party Transaction [Line Items] |
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| Reimbursement of stock dividend |
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$ 10,200,000
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| Payables incurred to related parties |
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$ 900,000
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| Offering price | $ / shares |
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$ 10
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$ 9.3
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| SST VI | Class A Common stock |
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| Related Party Transaction [Line Items] |
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| Offering price | $ / shares |
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10
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10
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| SST VI | Class A Common stock | Maximum |
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| Related Party Transaction [Line Items] |
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| Offering price | $ / shares |
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10
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$ 10
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| SST VI | Class Y And Z |
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| Related Party Transaction [Line Items] |
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| Share price | $ / shares |
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$ 10
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| SST VI Advisory Agreement |
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| Related Party Transaction [Line Items] |
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| Variable interest entity non-voting ownership percentage |
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17.50%
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| Payments represents full settlement |
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$ 3,000,000
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| Repurchase of membership interests |
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1,850,000
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| Termination of the distribution support agreement |
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650,000
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| Severance Costs |
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$ 500,000
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| Acquisition Fee As Percentage Of Contract Purchase Price |
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1.00%
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| Monthly asset management fee |
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0.0625%
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| Percentage of offering cost without reimbursement |
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15.00%
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| Reimbursement Days After Termination | d |
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60
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| SST VI Advisory Agreement | Disposition Fee |
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| Related Party Transaction [Line Items] |
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| Rate of disposition fee of contract sales price |
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1.00%
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| SST VI Advisory Agreement | Maximum | Disposition Fee |
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| Related Party Transaction [Line Items] |
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| Rate of disposition fee of contract sales price |
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6.00%
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| SST VI Advisory Agreement | SST VI Advisor |
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| Related Party Transaction [Line Items] |
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| Equity method investment, ownership percentage |
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100.00%
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| Strategic Storage Growth Trust I I I Advisory Agreement |
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| Related Party Transaction [Line Items] |
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| Acquisition Fee As Percentage Of Contract Purchase Price |
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1.00%
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| Percentage of acquisition price |
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0.60%
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| Monthly asset management fee |
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0.0625%
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| Strategic Storage Growth Trust I I I Advisory Agreement | Disposition Fee |
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| Related Party Transaction [Line Items] |
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| Rate of disposition fee of contract sales price |
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1.50%
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| Strategic Storage Growth Trust I I I Advisory Agreement | Variable Interest Entity, Primary Beneficiary [Member] | Disposition Fee |
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| Related Party Transaction [Line Items] |
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| Rate of disposition fee of contract sales price |
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17.50%
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| Administrative Services Agreement |
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| Related Party Transaction [Line Items] |
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| Receivables due from related parties |
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$ 400,000
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100,000
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| Administrative Services Agreement | Managed Platform revenue |
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| Related Party Transaction [Line Items] |
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| Administrative service fees |
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$ 600,000
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$ 200,000
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$ 700,000
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| SST X Advisory Agreement |
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| Related Party Transaction [Line Items] |
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| Percentage of Hurdle Amount |
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5.00%
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| Amount of Receivable Sale of Stock |
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$ 2,200,000
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| Sale of property |
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$ 7,900,000
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| SST X Advisory Agreement | Variable Interest Entity, Primary Beneficiary [Member] |
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| Related Party Transaction [Line Items] |
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| Rate of disposition fee of contract sales price |
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17.50%
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| SST X Advisory Agreement | Subsequent Event |
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| Related Party Transaction [Line Items] |
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| Maximum value of shares offering in private placement for beneficial interest |
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$ 600,000,000
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| Percentage of fees re-allowed |
10.00%
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| SST X Advisory Agreement | Class FT FD and F1 Common Shares |
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| Related Party Transaction [Line Items] |
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| Monthly asset management fee |
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0.75%
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| SST X Advisory Agreement | Class FT FD and FI Common Shares |
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| Related Party Transaction [Line Items] |
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| Operating partnership to total return |
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10.00%
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| Monthly asset management fee |
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0.75%
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| Share price | $ / shares |
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$ 20
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| SST X Advisory Agreement | Class T D and I Common Shares |
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| Related Party Transaction [Line Items] |
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| Operating partnership to total return |
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12.50%
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| Monthly asset management fee |
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1.25%
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| SST X Advisory Agreement | Class FT FD and FI OP Units |
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| Related Party Transaction [Line Items] |
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| Net asset value percentage |
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0.75%
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| SST X Advisory Agreement | Class T D and I OP Units |
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| Related Party Transaction [Line Items] |
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| Net asset value percentage |
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1.25%
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| SST X Advisory Agreement | F I Common Shares |
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| Related Party Transaction [Line Items] |
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| Number of shares issued | shares |
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2,000,000
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| SST X Advisory Agreement | Series A Preferred Units |
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| Related Party Transaction [Line Items] |
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| Number of preferred units purchased | shares |
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72,000
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| Preferred stock purchase consideration |
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$ 1,800,000
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| SST VI OP |
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| Related Party Transaction [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| Purchase units of limited partnership interest | shares |
|
|
|
|
|
|
|
1,100,000
|
|
|
|
|
|
|
|
| SST VI OP | Series D Cumulative Redeemable Preferred Unit |
|
|
|
|
|
|
|
|
|
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| Related Party Transaction [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| Number of preferred units purchased | shares |
|
|
|
1,400,000
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred stock purchase consideration |
|
|
|
$ 35,000,000
|
|
|
|
|
|
|
|
|
|
|
|
| Initial investment |
|
|
|
|
|
|
|
$ 5,000,000
|
|
|
|
|
|
|
|
| Initial investment number of shares | shares |
|
|
|
200,000
|
|
|
|
|
|
|
|
|
|
|
|
| Investment income |
|
|
|
|
|
|
|
500,000
|
|
|
|
|
|
|
|
| Additional purchase consideration |
|
|
|
|
|
|
|
20,000,000
|
|
|
|
|
|
|
|
| Due to affiliates |
|
|
|
|
|
|
|
$ 19,300,000
|
|
|
|
|
|
|
|
| Preferred stock redemption description |
|
|
|
Distributions are payable at a rate of: (a) 6% per annum from the date of issuance until the second anniversary after the date of issuance; (b) 7% per annum commencing the day following the second anniversary after the date of issuance until the third anniversary after the date of issuance; (c) 8% per annum commencing the day following the third anniversary after the date of issuance until the fourth anniversary after the date of issuance; and (d) 9% per annum thereafter.
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred stock price per share | $ / shares |
|
|
|
$ 25
|
|
|
|
|
|
|
|
|
|
|
|
| Percentage of investment fee |
|
|
|
1.00%
|
|
|
|
|
|
|
|
|
|
|
|
| SmartStop OP |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Contribution to investment |
|
|
|
|
|
|
|
|
|
|
|
|
$ 1,000
|
|
|
| SmartStop OP | Series A Preferred Units |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of preferred units purchased | shares |
|
|
|
|
|
|
|
72,000
|
|
|
|
|
|
|
|
| Preferred stock purchase consideration |
|
|
|
|
|
|
|
$ 1,800,000
|
|
|
|
|
|
|
|
| Investment income |
|
|
|
|
|
|
|
$ 100,000
|
|
|
|
|
|
|
|
| Preferred stock redemption description |
|
|
Distributions on the Series A Preferred Units of SST X OP are cumulative from the date of issuance and are payable monthly in arrears. Distributions are payable at a rate of: (a) 6% per annum from the date of issuance until the second anniversary after the date of issuance; (b) 7% per annum commencing the day following the second anniversary after the date of issuance until the third anniversary after the date of issuance; (c) 8% per annum commencing the day following the third anniversary after the date of issuance until the fourth anniversary after the date of issuance; and (d) 9% per annum thereafter.
|
|
|
|
|
|
|
|
|
|
|
|
|
| Percentage of investment fee |
|
|
1.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
| SmartStop Storage Advisors, LLC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Related Party Transaction [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Contribution to investment |
|
|
|
|
|
|
|
|
|
|
|
$ 1,000
|
|
|
|