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v3.25.1

Debt - Additional Information (Detail) $ in Thousands, $ in Millions |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 20, 2024 USD ($) | Nov. 19, 2024 USD ($) StorageFacility | Jul. 31, 2024 USD ($) StorageFacility | Mar. 12, 2024 | Mar. 07, 2024 USD ($) | Feb. 22, 2024 USD ($) | Jan. 31, 2025 USD ($) StorageFacility | Dec. 31, 2024 USD ($) StorageFacility | Dec. 31, 2024 USD ($) Property | Feb. 04, 2025 USD ($) | Mar. 07, 2024 CAD ($) | Dec. 31, 2023 USD ($) | Mar. 16, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate on debt |  |  |  |  |  |  |  | 5.90% | 5.90% |  |  |  |
Initial maximum amount available |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000
Aggregate borrowings |  |  |  |  |  |  |  | $ 1,322,374 | $ 1,322,374 |  |  |  |
Number of operating properties | Property |  |  |  |  |  |  |  |  | 93 |  |  |  |
Daily Simple SOFR Plus |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  | 3.00% |  |  |  |  |  |  |  |  |  |
2027 Ladera Ranch Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issued | $ 42,000 |  |  |  |  |  |  |  |  |  |  |  |
Aggregate borrowings |  |  |  |  |  |  |  | 42,000 | $ 42,000 |  |  | $ 0 |
Percentage of origination fee | 3.00% |  |  |  |  |  |  |  |  |  |  |  |
Origination fee amount | $ 1,300 |  |  |  |  |  |  |  |  |  |  |  |
Maturity date | Dec. 05, 2027 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument Fixed Rate | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
2025 KeyBank Acquisition Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Initial maximum amount available |  | $ 175,000 |  |  |  |  |  |  |  |  |  |  |
Maturity date |  | Nov. 19, 2025 |  |  |  |  |  |  |  |  |  |  |
Debt instrument, fee percentage |  | 0.20% |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, term of extension options |  | 6 months |  |  |  |  |  |  |  |  |  |  |
Increased the principal borrowing amount |  |  |  |  |  |  |  | $ 85,200 |  |  |  |  |
Line of credit facility, current borrowing capacity |  | $ 15,000 |  |  |  |  |  |  |  |  |  |  |
Number of self storage real estate joint ventures | StorageFacility |  | 1 |  |  |  |  |  | 3 |  |  |  |  |
2025 KeyBank Acquisition Facility | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Increased the principal borrowing amount |  |  |  |  |  |  | $ 74,800 |  |  |  |  |  |
Number of self storage real estate joint ventures | StorageFacility |  |  |  |  |  |  | 2 |  |  |  |  |  |
2025 KeyBank Acquisition Facility | Maximum | Daily Simple SOFR Loans and Term SOFR Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  | 3.25% |  |  |  |  |  |  |  |  |  |  |
2025 KeyBank Acquisition Facility | Maximum | Base Rate Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  | 2.25% |  |  |  |  |  |  |  |  |  |  |
2025 KeyBank Acquisition Facility | Minimum | Daily Simple SOFR Loans and Term SOFR Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  | 2.75% |  |  |  |  |  |  |  |  |  |  |
2025 KeyBank Acquisition Facility | Minimum | Base Rate Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  | 1.75% |  |  |  |  |  |  |  |  |  |  |
2025 KeyBank Acquisition Facility | Minimum | Key Bank |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Non-recourse debt |  | $ 75,000 |  |  |  |  |  |  |  |  |  |  |
Initial advance under the 2025 KeyBank Acquisition Facility | Daily Simple SOFR Loans and Term SOFR Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  | 2.75% |  |  |  |  |  |  |  |  |  |  |
2027 NBC Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument Fixed Rate |  |  |  | 6.42% |  |  |  |  |  |  |  |  |
Term |  |  |  | 25 years |  |  |  |  |  |  |  |  |
2027 NBC Loan | CORRA Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument Fixed Rate |  |  |  |  |  |  |  | 0.30% | 0.30% |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  |  |  |  | 2.20% |  |  |  |
KeyBank Florida CMBS Loan | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Initial maximum amount available |  |  |  |  |  |  |  |  |  | $ 700,000 |  |  |
Outstanding amount |  |  |  |  |  |  |  |  |  | 51,000 |  |  |
Credit Facility increase commitments |  |  |  |  |  |  |  |  |  | $ 50,000 |  |  |
2025 KeyBank Bridge Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issued |  |  | $ 45,000 |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | Jul. 31, 2025 |  |  |  |  |  |  |  |  |  |
Acquisition Cost |  |  | $ 20,000 |  |  |  |  |  |  |  |  |  |
2025 KeyBank Bridge Loan | Daily Simple SOFR Plus |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  | 2.75% |  |  |  |  |  |  |  |  |  |
SSGT III |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of self storage real estate joint ventures | StorageFacility |  |  | 2 |  |  |  |  |  |  |  |  |  |
SSGT III Bridge Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issued |  |  | $ 20,000 |  |  |  |  |  |  |  |  |  |
Additional borrowed amount |  |  |  |  |  |  |  | $ 2,900 | $ 2,900 |  |  |  |
SSGT III Bridge Loan | Daily Simple SOFR Plus |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  | 3.00% |  |  |  |  |  |  |  |  |  |
Initial Advances under 2024 Credit Facility | Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 1.75% |  |  |  |  |  |  |
Credit Facility Revolver |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Additional amount available under credit facility |  |  |  |  |  |  |  | 7,300 | 7,300 |  |  |  |
Aggregate borrowings |  |  |  |  |  |  |  | 614,800 | $ 614,800 |  |  |  |
Credit Facility Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, annual unused fee |  |  |  |  |  |  |  |  | 2.30% |  |  |  |
Credit facility agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, annual unused fee |  |  |  |  |  |  |  |  | 60.00% |  |  |  |
Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate borrowings |  |  |  |  |  |  |  | 614,831 | $ 614,831 |  |  | $ 0 |
Increased the principal borrowing amount |  |  |  |  |  |  |  |  | 94,000 |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  | 650,000 | 650,000 |  |  |  |
Amount borrowed under the credit facility |  |  |  |  |  |  |  |  | $ 615,000 |  |  |  |
Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  |  |  |  | 1.85% |  |  |  |
Credit Facility | SOFR Index Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  |  |  |  | 0.10% |  |  |  |
Credit Facility | Key Bank |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Initial maximum amount available |  |  |  |  |  |  |  | $ 650,000 | $ 650,000 |  |  |  |
Additional amount available under credit facility |  |  |  |  |  | $ 850,000 |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | Feb. 22, 2027 |  |  |  |  |  |  |
Debt instrument, fee percentage |  |  |  |  |  | 0.20% |  |  |  |  |  |  |
Line of credit facility, term of extension options |  |  |  |  |  | 1 year |  |  |  |  |  |  |
Repayment of borrowings |  |  |  |  |  | $ 576,000 |  |  |  |  |  |  |
Credit Facility | Maximum | Base Rate Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 1.30% |  |  |  |  |  |  |
Credit Facility | Maximum | Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 2.30% |  |  |  |  |  |  |
Credit Facility | Maximum | Key Bank |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Initial maximum amount available |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |
Line of credit facility, annual unused fee |  |  |  |  |  | 0.25% |  |  |  |  |  |  |
Credit Facility | Maximum | Key Bank | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility sublimits |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |
Credit Facility | Maximum | Key Bank | Swingline Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility sublimits |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |
Credit Facility | Minimum | Base Rate Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 0.65% |  |  |  |  |  |  |
Credit Facility | Minimum | Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 1.65% |  |  |  |  |  |  |
Credit Facility | Minimum | Key Bank |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, annual unused fee |  |  |  |  |  | 0.15% |  |  |  |  |  |  |
Non-recourse debt |  |  |  |  |  | $ 75,000 |  |  |  |  |  |  |
Credit Facility | Consolidated Leverage Ratio | Maximum | Base Rate Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 1.25% |  |  |  |  |  |  |
Credit Facility | Consolidated Leverage Ratio | Maximum | Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 2.25% |  |  |  |  |  |  |
Credit Facility | Consolidated Leverage Ratio | Minimum | Base Rate Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 0.40% |  |  |  |  |  |  |
Credit Facility | Consolidated Leverage Ratio | Minimum | Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, variable interest rate |  |  |  |  |  | 1.40% |  |  |  |  |  |  |
Credit Facility | 2027 NBC Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate borrowings |  |  |  |  |  |  |  |  |  |  | $ 75 |  |
Net proceeds from loan |  |  |  |  | $ 55,100 |  |  |  |  |  |  |  |
Credit Facility | Security Interest Termination Event | Maximum | Key Bank |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalization rate leverage ratio |  |  |  |  |  | 60.00% |  |  |  |  |  |  |
Secured debt ratio |  |  |  |  |  | 40.00% |  |  |  |  |  |  |
Credit Facility | Security Interest Termination Event | Minimum | Key Bank |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility cross default provision amount |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |
fixed charge coverage ratio |  |  |  |  |  | 1.5 |  |  |  |  |  |  |
Unsecured interest coverage ratio |  |  |  |  |  | 2 |  |  |  |  |  |  |

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- Definition Credit facility cross default provision amount. + References No definition available. + Details
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