SELF STORAGE PROPERTY ACQUISITIONS AND DISPOSITIONS - Pro Forma Information (Details) $ in Thousands |
2 Months Ended |
3 Months Ended |
9 Months Ended |
12 Months Ended |
|
Mar. 11, 2016
property
|
Feb. 29, 2016
property
|
Dec. 31, 2015
property
|
Sep. 30, 2015
property
|
Jun. 30, 2015
property
|
Mar. 31, 2015
property
|
Dec. 31, 2014
property
|
Sep. 30, 2014
property
|
Jun. 30, 2014
property
|
Mar. 31, 2014
property
|
Mar. 31, 2013
USD ($)
|
Dec. 31, 2013
USD ($)
|
Dec. 31, 2015
USD ($)
property
|
Dec. 31, 2014
USD ($)
property
|
Dec. 31, 2013
USD ($)
|
Dec. 31, 2012
property
|
| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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| Pro forma revenue |
|
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|
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$ 32,900
|
$ 147,729
|
$ 127,943
|
$ 98,365
|
|
| Pro forma net income (loss) |
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(10,500)
|
$ 15,057
|
$ (2,220)
|
(21,890)
|
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| Number of businesses acquired for which pro forma financial information is available | property |
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42
|
|
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| Number of self storage properties acquired | property |
|
|
16
|
15
|
21
|
6
|
15
|
31
|
36
|
1
|
|
|
58
|
83
|
|
43
|
| Number of businesses acquired for which pro forma financial information is not available | property |
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16
|
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| Acquisition costs |
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$ 3,383
|
$ 4,765
|
$ 9,558
|
3,383
|
|
| Line of Credit [Member] | Revolving line of credit [Member] |
|
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
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| Effective interest rate |
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2.66%
|
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2.66%
|
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| Subsequent Acquisitions [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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| Pro forma revenue |
|
|
|
|
|
|
|
|
|
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4,348
|
$ 0
|
0
|
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| Pro forma net income (loss) |
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|
|
|
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(142)
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0
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0
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| 2015 Acquisitions [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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|
|
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|
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|
|
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| Pro forma revenue |
|
|
|
|
|
|
|
|
|
|
|
|
9,462
|
22,596
|
0
|
|
| Pro forma net income (loss) |
|
|
|
|
|
|
|
|
|
|
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|
10,403
|
(7,258)
|
0
|
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| 2014 Acquisitions [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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| Pro forma revenue |
|
|
|
|
|
|
|
|
|
|
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0
|
28,377
|
46,500
|
|
| Pro forma net income (loss) |
|
|
|
|
|
|
|
|
|
|
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|
0
|
21,395
|
(17,721)
|
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| 2013 Acquisitions [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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|
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|
|
|
|
|
|
|
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| Pro forma revenue |
|
|
|
|
|
|
|
|
|
|
|
|
0
|
0
|
11,701
|
|
| Pro forma net income (loss) |
|
|
|
|
|
|
|
|
|
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|
|
0
|
0
|
7,565
|
|
| Consolidated Entities Excluding Acquirees [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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| Pro forma revenue |
|
|
|
|
|
|
|
|
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|
133,919
|
76,970
|
40,164
|
|
| Pro forma net income (loss) |
|
|
|
|
|
|
|
|
|
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|
$ 4,796
|
$ (16,357)
|
$ (11,734)
|
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| Credit Facility [Member] | Line of Credit [Member] | Revolving line of credit [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
|
|
|
|
|
|
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| Effective interest rate |
|
|
2.03%
|
|
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|
2.03%
|
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|
2.03%
|
2.03%
|
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| Subsequent Event [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
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|
|
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| Number of self storage properties acquired | property |
|
16
|
|
|
|
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| Subsequent Event [Member] | Subsequent Acquisitions [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
|
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| Number of businesses acquired for which pro forma financial information is available | property |
9
|
|
|
|
|
|
|
|
|
|
|
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|
|
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| Number of self storage properties acquired | property |
16
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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| Number of businesses acquired for which pro forma financial information is not available | property |
7
|
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| NSA Predecessor [Member] |
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |
|
|
|
|
|
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|
|
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| Pro forma revenue |
|
|
|
|
|
|
|
|
|
|
$ 7,300
|
|
|
|
|
|
| Pro forma net income (loss) |
|
|
|
|
|
|
|
|
|
|
(1,300)
|
|
|
|
|
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| Acquisition costs |
|
|
|
|
|
|
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$ 0
|
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