Subsequent Events - Additional Information (Detail)
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1 Months Ended |
12 Months Ended |
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Feb. 24, 2022
USD ($)
ft²
State
StorageFacility
StorageProperty
Landparcel
StorageUnit
$ / shares
shares
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Feb. 08, 2022
USD ($)
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Mar. 17, 2021
USD ($)
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Feb. 28, 2022
shares
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Apr. 30, 2021
shares
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Dec. 31, 2021
StorageFacility
State
shares
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Dec. 31, 2020
shares
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| Subsequent Event [Line Items] |
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| Number Of Self Storage Units | StorageFacility |
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139
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| Number of states located for self storage facilities | State |
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18
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| Key Bank |
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| Subsequent Event [Line Items] |
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| Proceeds from line of credit | $ |
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$ 451,000,000
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| LTIPs | Performance Based Awards |
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| Subsequent Event [Line Items] |
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| Issuance of equity awards |
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148,387
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130,638
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| Percentage of established target performance criteria |
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200.00%
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| LTIPs | Performance Based Awards | Minimum |
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| Subsequent Event [Line Items] |
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| Percentage of established target performance criteria |
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0.00%
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| LTIPs | Performance Based Awards | Maximum |
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| Subsequent Event [Line Items] |
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| Percentage of established target performance criteria |
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200.00%
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| LTIPs | Performance Based Awards | Executive Officers |
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| Subsequent Event [Line Items] |
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| Issuance of equity awards |
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148,387
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| LTIPs | Performance Based Awards | Executive Officers | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Issuance of equity awards |
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113,400
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| Percentage of established target performance criteria |
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200.00%
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| Vesting period |
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3 years
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| LTIPs | Performance Based Awards | Executive Officers | Minimum | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Percentage of established target performance criteria |
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0.00%
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| LTIPs | Performance Based Awards | Executive Officers | Maximum | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Percentage of established target performance criteria |
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200.00%
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| LTIPs | Time Based Awards |
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| Subsequent Event [Line Items] |
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| Issuance of equity awards |
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222,581
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214,521
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| LTIPs | Time Based Awards | Executive Officers |
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| Subsequent Event [Line Items] |
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| Issuance of equity awards |
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222,581
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| Vesting period |
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4 years
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| LTIPs | Time Based Awards | Executive Officers | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Issuance of equity awards |
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170,100
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| Vesting period |
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4 years
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| Algonquin Property | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Consideration transferred | $ |
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$ 19,000,000
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| Algonquin Property | Subsequent Event | Credit Facility Revolver | Key Bank |
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| Subsequent Event [Line Items] |
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| Proceeds from line of credit | $ |
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$ 19,000,000
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| SSGT II Merger Agreement |
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| Subsequent Event [Line Items] |
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| Conversion of right to receive shares, description |
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will be converted into the right to receive 0.9118 shares of our Class A Shares
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| Number of self storage facilities | StorageFacility |
10
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| Number Of Self Storage Units | StorageUnit |
7,740
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| Number of states located for self storage facilities | State |
7
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| Net Rentable Area | ft² |
853,900
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| Percentage of membership interest |
50.00%
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| SSGT II Merger Agreement | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Number of self storage facilities | StorageFacility |
10
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| Number Of Self Storage Units | StorageUnit |
7,740
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| Number of states located for self storage facilities | State |
7
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| Net Rentable Area | ft² |
853,900
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| Percentage of membership interest |
50.00%
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| Remaining percentage of membership interest |
50.00%
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| Number of operating self storage property | StorageProperty |
1
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| Number of land parcels developed into self storage facilities | Landparcel |
2
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| SSGT II Merger Agreement | Subsequent Event | Termination Under Certain Other Circumstances Member |
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| Subsequent Event [Line Items] |
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| Termination payment | $ |
$ 5,200,000
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| SSGT II Merger Agreement | Subsequent Event | Termination Arising out of the Go Shop |
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| Subsequent Event [Line Items] |
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| Termination payment | $ |
2,600,000
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| SSGT II Merger Agreement | Maximum | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Customer expense reimbursement | $ |
$ 1,000,000
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| SmartStop Common Stock | SSGT II Merger Agreement | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Number of right to receive shares from conversion |
0.9118
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| SSGT II Common Stock | SSGT II Merger Agreement | Subsequent Event |
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| Subsequent Event [Line Items] |
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| Common Stock, par value | $ / shares |
$ 0.001
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