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ORGANIZATION AND NATURE OF OPERATIONS (Details) |  | 12 Months Ended
--- | --- | ---
May 09, 2017 shares | Dec. 31, 2017 state segment
ORGANIZATION AND NATURE OF OPERATIONS |  |
Number of states in which self-storage facilities are located | state |  | 23
Number of reportable segments | segment |  | 1
Percentage of the entity's partnership interest in Operating Partnership |  | 99.00%
Issuance of OP Units (in shares) | shares | 440,160 |
Common stock, conversion ratio |  | 1

X
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- Definition Operating units issued during the year. + References No definition available. + Details
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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