EQUITY-BASED AWARDS - Acquisition Related LTIP Units (Details) - 2013 Long-Term Incentive Plan [Member] - LTIP units [Member] - shares |
9 Months Ended | 12 Months Ended | ||
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Dec. 31, 2013 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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Number of LTIP units | ||||
Outstanding unvested at beginning of year (in shares) | 0 | 509,166 | 287,600 | |
Vested (in shares) | (119,000) | (278,901) | (156,984) | |
Unvested at end of year (in shares) | 287,600 | 236,265 | 509,166 | 287,600 |
Participating Regional Operator [Member] | ||||
Number of LTIP units | ||||
Outstanding unvested at beginning of year (in shares) | 522,900 | 1,262,070 | 1,683,560 | |
Vested (in shares) | (99,100) | (379,970) | (314,410) | |
Unvested at end of year (in shares) | 1,262,070 | 423,800 | 522,900 | 1,262,070 |
NSA Predecessor [Member] | ||||
Number of LTIP units | ||||
Vested (in shares) | (359,200) | (107,080) |
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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