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EARNINGS PER SHARE AND UNIT AND SHAREHOLDERS' EQUITY AND CAPITAL - Earnings Per Share and Unit (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Basic and diluted earnings per common share |  |  |  |  |  |  |
Net loss | $ 58,594 |  | $ 50,366 |  | $ 96,860 | $ 93,681 |
Noncontrolling interests in the Operating Partnership | (379) |  | (1,768) |  | (671) | (3,317) |
Noncontrolling interest in subsidiaries | 143 |  | 154 |  | 324 | 120 |
NET INCOME ATTRIBUTABLE TO THE COMPANY'S COMMON SHAREHOLDERS | $ 58,358 |  | $ 48,752 |  | $ 96,513 | $ 90,484 |
Weighted average basic shares outstanding (in shares) | 224,960,000 |  | 201,414,000 |  | 224,812,000 | 200,293,000 |
Share options and restricted share units (in shares) | 935,000 |  | 1,395,000 |  | 1,008,000 | 1,234,000 |
Weighted-average diluted shares outstanding (in shares) | 225,895,000 |  | 202,809,000 |  | 225,820,000 | 201,527,000 |
Basic earnings per share attributable to common shareholders (in dollars per share) | $ 0.26 |  | $ 0.24 |  | $ 0.43 | $ 0.45 |
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 0.26 |  | $ 0.24 |  | $ 0.43 | $ 0.45 |
Basic and diluted earnings per common unit |  |  |  |  |  |  |
Net Income |  |  |  |  | $ 96,860 | $ 93,681 |
Noncontrolling interests in the Operating Partnership | $ (379) |  | $ (1,768) |  | (671) | (3,317) |
Noncontrolling interest in subsidiaries |  |  |  |  | 324 | 120 |
Net income attributable to common unitholders |  |  |  |  | $ 96,513 | $ 90,484 |
Weighted average basic shares outstanding (in shares) | 224,960,000 |  | 201,414,000 |  | 224,812,000 | 200,293,000 |
Share options and restricted share units (in shares) | 935,000 |  | 1,395,000 |  | 1,008,000 | 1,234,000 |
Weighted-average diluted shares outstanding (in shares) | 225,895,000 |  | 202,809,000 |  | 225,820,000 | 201,527,000 |
Basic earnings per unit attributable to common unitholders |  |  |  |  | $ 0.43 | $ 0.45 |
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 0.26 |  | $ 0.24 |  | $ 0.43 | $ 0.45 |
Potentially dilutive shares not included in the earnings per share calculation as their effect is antidilutive (in shares) | 300,000 |  | 0 |  | 300,000 | 0 |
Common stock, cash dividends declared (in dollars per share) | $ 0.43 | $ 0.43 | $ 0.34 | $ 0.34 | $ 0.86 | $ 0.68 |
OP units outstanding (in shares) | 1,460,520 |  | 7,284,506 |  | 1,460,520 | 7,284,506 | 1,901,595
Common shares, shares outstanding | 224,452,547 |  |  |  | 224,452,547 |  | 223,917,993
CubeSmart, L.P. and Subsidiaries |  |  |  |  |  |  |
Basic and diluted earnings per common share |  |  |  |  |  |  |
Net loss |  |  |  |  | $ 96,860 | $ 93,681 |
Noncontrolling interests in the Operating Partnership | $ (379) |  | $ (1,768) |  |  |  |
Weighted average basic shares outstanding (in shares) | 224,960,000 |  | 201,414,000 |  |  |  |
Share options and restricted share units (in shares) | 935,000 |  | 1,395,000 |  |  |  |
Weighted-average diluted shares outstanding (in shares) | 225,895,000 |  | 202,809,000 |  |  |  |
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 0.26 |  | $ 0.24 |  |  |  |
Basic and diluted earnings per common unit |  |  |  |  |  |  |
Net Income | $ 58,594 |  | $ 50,366 |  |  |  |
Noncontrolling interests in the Operating Partnership | (379) |  | (1,768) |  |  |  |
Noncontrolling interest in subsidiaries | 143 |  | 154 |  |  |  |
Net income attributable to common unitholders | $ 58,358 |  | $ 48,752 |  |  |  |
Weighted average basic shares outstanding (in shares) | 224,960,000 |  | 201,414,000 |  |  |  |
Share options and restricted share units (in shares) | 935,000 |  | 1,395,000 |  |  |  |
Weighted-average diluted shares outstanding (in shares) | 225,895,000 |  | 202,809,000 |  |  |  |
Basic earnings per unit attributable to common unitholders | $ 0.26 |  | $ 0.24 |  |  |  |
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 0.26 |  | $ 0.24 |  |  |  |

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