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CONSOLIDATED STATEMENTS OF CAPITAL (LP cube) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership |  |  | $ 49,823 |  |
Contributions from noncontrolling interests in subsidiaries |  |  | 178 | $ 548 |
Adjustment for Operating Partnership interests of third parties |  |  | (2,913) | (5,830) | $ (14,800)
Net income (loss) |  |  | 22,143 | 12,425 |
Net income (loss) | $ 161 | $ 95 | 252 | 144 |
Other comprehensive (loss) income: |  |  |  |  |
Unrealized gains (losses) on interest rate swaps |  |  | 445 | (53) |
Unrealized (loss) gain on foreign currency translation |  |  | (67) | 424 |
Balance of Noncontrolling Interests in the Operating Partnership | 52,472 |  | 52,472 |  | 49,823
Noncontrolling Interests in Operating Partnership |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership |  |  | 49,823 | 36,275 | 36,275
Adjustment for Operating Partnership interests of third parties |  |  | 2,913 | 5,830 |
Net income (loss) |  |  | 252 | 144 |
Other comprehensive (loss) income: |  |  |  |  |
Unrealized gains (losses) on interest rate swaps |  |  | 6 | (1) |
Unrealized (loss) gain on foreign currency translation |  |  | (2) | 4 |
Balance of Noncontrolling Interests in the Operating Partnership | 52,472 | 41,430 | 52,472 | 41,430 | 49,823
CubeSmart, L.P. and Subsidiaries |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance |  |  | 1,449,618 | 1,093,207 | 1,093,207
Balance of Noncontrolling Interests in the Operating Partnership |  |  | 49,823 |  |
Contributions from noncontrolling interests in subsidiaries |  |  | 178 | 548 |
Issuance of common OP units |  |  | 56,477 | 126,119 |
Issuance of restricted OP units |  |  | 1 | 4 |
Conversion from units to shares |  |  | 296 | 234 |
Exercise of OP unit options |  |  | 9,359 | 967 |
Amortization of restricted OP units |  |  | (36) | (1,050) |
OP unit compensation expense |  |  | 491 | 428 |
Adjustment for Operating Partnership interests of third parties |  |  | (2,913) | (5,830) |
Net income (loss) |  |  | 22,143 | 12,425 |
Other comprehensive (loss) income: |  |  |  |  |
Unrealized gains (losses) on interest rate swaps |  |  | 445 | (53) |
Unrealized (loss) gain on foreign currency translation |  |  | (67) | 424 |
Preferred OP unit distributions |  |  | (3,004) | (3,004) |
Common OP unit distributions |  |  | (53,433) | (37,689) |
Balance | 1,479,555 | 1,186,730 | 1,479,555 | 1,186,730 | 1,449,618
Balance of Noncontrolling Interests in the Operating Partnership | 52,472 |  | 52,472 |  | 49,823
CubeSmart, L.P. and Subsidiaries | Noncontrolling Interests in Operating Partnership |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership |  |  | 49,823 | 36,275 | 36,275
Conversion from units to shares |  |  | (296) | (234) |
Adjustment for Operating Partnership interests of third parties |  |  | 2,913 | 5,830 |
Net income (loss) |  |  | 252 | 144 |
Other comprehensive (loss) income: |  |  |  |  |
Unrealized gains (losses) on interest rate swaps |  |  | 6 | (1) |
Unrealized (loss) gain on foreign currency translation |  |  | (2) | 4 |
Common OP unit distributions |  |  | (724) | (588) |
Balance of Noncontrolling Interests in the Operating Partnership | 52,472 | 41,430 | 52,472 | 41,430 | 49,823
CubeSmart, L.P. and Subsidiaries | Noncontrolling Interests in Operating Partnership | Capital Unit ClassB |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Issuance of common OP units |  |  | 500 |  |
CubeSmart, L.P. and Subsidiaries | Total Shareholders' Equity |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance |  |  | 1,448,026 | 1,092,276 | 1,092,276
Issuance of common OP units |  |  | 56,477 | 126,119 |
Issuance of restricted OP units |  |  | 1 | 4 |
Conversion from units to shares |  |  | 296 | 234 |
Exercise of OP unit options |  |  | 9,359 | 967 |
Amortization of restricted OP units |  |  | (36) | (1,050) |
OP unit compensation expense |  |  | 491 | 428 |
Adjustment for Operating Partnership interests of third parties |  |  | (2,913) | (5,830) |
Net income (loss) |  |  | 22,158 | 12,416 |
Other comprehensive (loss) income: |  |  |  |  |
Unrealized gains (losses) on interest rate swaps |  |  | 445 | (53) |
Unrealized (loss) gain on foreign currency translation |  |  | (64) | 417 |
Preferred OP unit distributions |  |  | (3,004) | (3,004) |
Common OP unit distributions |  |  | (53,433) | (37,689) |
Balance | 1,477,803 | 1,185,235 | 1,477,803 | 1,185,235 | 1,448,026
CubeSmart, L.P. and Subsidiaries | Operating Partner |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance |  |  | $ 1,456,785 | $ 1,103,290 | $ 1,103,290
Balance (in units) |  |  | 163,957 | 139,328 | 139,328
Issuance of common OP units |  |  | $ 56,477 | $ 126,119 |
Issuance of common OP units (in units) |  |  | 2,339 | 7,211 |
Issuance of restricted OP units |  |  | $ 1 | $ 4 |
Issuance of restricted OP units (in units) |  |  | 154 | 416 |
Conversion from units to shares |  |  | $ 296 | $ 234 |
Conversion from units to shares (in units) |  |  | 12 | 14 |
Exercise of OP unit options |  |  | $ 9,359 | $ 967 |
Exercise of OP unit options (in units) |  |  | 976 | 109 |
Amortization of restricted OP units |  |  | $ (36) | $ (1,050) |
OP unit compensation expense |  |  | 491 | 428 |
Adjustment for Operating Partnership interests of third parties |  |  | (2,913) | (5,830) |
Net income (loss) |  |  | 22,158 | 12,416 |
Other comprehensive (loss) income: |  |  |  |  |
Preferred OP unit distributions |  |  | (3,004) | (3,004) |
Common OP unit distributions |  |  | (53,433) | (37,689) |
Balance | $ 1,486,181 | $ 1,195,885 | $ 1,486,181 | $ 1,195,885 | $ 1,456,785
Balance (in units) | 167,438 | 147,078 | 167,438 | 147,078 | 163,957
CubeSmart, L.P. and Subsidiaries | Preferred Operating Partner |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance |  |  | $ 3,100 | $ 3,100 | $ 3,100
Other comprehensive (loss) income: |  |  |  |  |
Balance | $ 3,100 | $ 3,100 | 3,100 | 3,100 | 3,100
CubeSmart, L.P. and Subsidiaries | Accumulated Other Comprehensive (Loss) Income |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance |  |  | (8,759) | (11,014) | (11,014)
Other comprehensive (loss) income: |  |  |  |  |
Unrealized gains (losses) on interest rate swaps |  |  | 445 | (53) |
Unrealized (loss) gain on foreign currency translation |  |  | (64) | 417 |
Balance | (8,378) | (10,650) | (8,378) | (10,650) | (8,759)
CubeSmart, L.P. and Subsidiaries | Noncontrolling Interest in Subsidiaries |  |  |  |  |
Increase (Decrease) in Partners' Capital |  |  |  |  |
Balance |  |  | 1,592 | 931 | 931
Contributions from noncontrolling interests in subsidiaries |  |  | 178 | 548 |
Net income (loss) |  |  | (15) | 9 |
Other comprehensive (loss) income: |  |  |  |  |
Unrealized (loss) gain on foreign currency translation |  |  | (3) | 7 |
Balance | $ 1,752 | $ 1,495 | $ 1,752 | $ 1,495 | $ 1,592

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