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SUBSEQUENT EVENTS (Details) 10Q - USD ($) | Apr. 12, 2017 | Apr. 04, 2017 | Mar. 31, 2017
--- | --- | --- | ---
Senior notes 4.375% due 2023 |  |  |
Subsequent Events |  |  |
Senior notes, principal amount |  |  | $ 250,000,000
Interest rate (as a percent) |  |  | 4.375%
Effective interest rate (as a percent) |  |  | 4.50%
Senior notes 4.000% due 2025 |  |  |
Subsequent Events |  |  |
Senior notes, principal amount |  |  | $ 250,000,000
Interest rate (as a percent) |  |  | 4.00%
Effective interest rate (as a percent) |  |  | 4.03%
Subsequent event |  |  |
Subsequent Events |  |  |
Purchase price of acquisition | $ 11,200,000 |  |
Cash paid for acquisition | 9,700,000 |  |
Subsequent event | Class C units |  |  |
Subsequent Events |  |  |
Units issued | $ 58,400 |  |
Stated value (in dollars per share) | $ 25 |  |
Distribution rate (as a percent) | 3.00% |  |
Redemption period, holder | 6 months |  |
Redemption period, issuer | 12 months |  |
Redemption price (in dollars per share) | $ 25 |  |
Subsequent event | CubeSmart, L.P. and Subsidiaries | Senior notes 4.375% due 2023 |  |  |
Subsequent Events |  |  |
Proceeds from senior notes |  | $ 50,000,000 |
Interest rate (as a percent) |  | 4.375% |
Debt instrument, redemption percentage |  | 105.04% |
Effective interest rate (as a percent) |  | 3.495% |
Subsequent event | CubeSmart, L.P. and Subsidiaries | Senior notes 4.000% due 2025 |  |  |
Subsequent Events |  |  |
Proceeds from senior notes |  | $ 50,000,000 |
Interest rate (as a percent) |  | 4.00% |
Debt instrument, redemption percentage |  | 101.343% |
Effective interest rate (as a percent) |  | 3.811% |
Subsequent event | CubeSmart, L.P. and Subsidiaries | Senior Notes Due 2023 and 2025 |  |  |
Subsequent Events |  |  |
Net Proceeds |  | $ 104,000,000 |
Subsequent event | CubeSmart, L.P. and Subsidiaries | Term Loan Facility |  |  |
Subsequent Events |  |  |
Write off of unamortized cost |  | $ 200,000 |

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