Schedule III - Real Estate and Accumulated Depreciation - Accumulated Depreciation Rollforward (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Real estate |
|
|
|
| Rollforward of Carrying Amounts of Real Estate Investments |
|
|
|
| Beginning balance |
$ 2,658,877
|
$ 2,396,715
|
$ 2,402,315
|
| Additions |
142,142
|
222,739
|
65,115
|
| Foreign currency translation adjustment |
(36,617)
|
(99,252)
|
(124,536)
|
| Impairment charges |
(29,183)
|
0
|
0
|
| Reclassification from real estate under construction |
21,825
|
129,225
|
83,006
|
| Reclassification to assets held for sale |
(18,882)
|
0
|
0
|
| Improvements |
7,262
|
9,450
|
3,554
|
| Dispositions |
0
|
0
|
(32,739)
|
| Ending balance |
2,745,424
|
2,658,877
|
2,396,715
|
| Rollforward of Accumulated Depreciation of Real Estate Investments |
|
|
|
| Beginning balance |
225,867
|
175,478
|
129,051
|
| Depreciation expense |
62,808
|
57,831
|
54,976
|
| Reclassification to assets held for sale |
(4,032)
|
0
|
0
|
| Foreign currency translation adjustment |
(3,986)
|
(7,442)
|
(8,549)
|
| Ending balance |
280,657
|
225,867
|
175,478
|
| Operating Real Estate – Self-Storage Facilities |
|
|
|
| Rollforward of Carrying Amounts of Real Estate Investments |
|
|
|
| Beginning balance |
275,521
|
272,859
|
283,370
|
| Additions |
137,958
|
0
|
0
|
| Reclassification from real estate under construction |
0
|
0
|
14,929
|
| Improvements |
2,443
|
2,662
|
2,047
|
| Dispositions |
(156,951)
|
0
|
(27,487)
|
| Ending balance |
258,971
|
275,521
|
272,859
|
| Rollforward of Accumulated Depreciation of Real Estate Investments |
|
|
|
| Beginning balance |
30,308
|
22,217
|
15,354
|
| Depreciation expense |
7,791
|
8,091
|
8,664
|
| Dispositions |
(19,223)
|
0
|
(1,801)
|
| Ending balance |
$ 18,876
|
$ 30,308
|
$ 22,217
|