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Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Earnings Per Common Share |  |  |  |  |
Number of shares awarded under Pay-for-Performance program included in diluted weighted average number of shares | 100,000 | 100,000 | 100,000 | 100,000 |
Underlying number of shares awarded under Pay-for-Performance program included in calculation of diluted weighted average number of shares | 200,000 | 200,000 | 200,000 | 200,000 |
Number of shares awarded under Pay-for-Performance program not included in diluted weighted average number of shares | 100,000 | 100,000 | 100,000 | 100,000 |
Outstanding options at the end of the period (in shares) | 0 | 0 | 0 | 0 | 0
Numerator for basic and diluted earnings per share: |  |  |  |  |
Income from continuing operations | $ 2,647 | $ 3,084 | $ 10,596 | $ 14,004 |
Less net income attributable to non-controlling interests | (27) | (17) | (76) | (32) |
Less: earnings allocated to unvested shares | (178) | (165) | (534) | (494) |
Income from continuing operations available for common stockholders | 2,442 | 2,902 | 9,986 | 13,478 |
Discontinued operations |  | 144 | 13 | 425 |
Net income available for common stockholders, basic | 2,442 | 3,046 | 9,999 | 13,903 |
Net income available for common stockholders, diluted | 2,442 | 3,046 | 9,999 | 13,903 |
Denominator for basic earnings per share: |  |  |  |  |
Weighted average common shares | 15,650,000 | 15,093,000 | 15,508,000 | 14,871,000 |
Denominator for basic earnings per share (in shares) | 15,650,000 | 15,093,000 | 15,508,000 | 14,871,000 |
Effect of diluted securities: |  |  |  |  |
Restricted stock units awarded under Pay-for-Performance program (in shares) | 100,000 | 100,000 | 100,000 | 100,000 |
Denominator for diluted earnings per share - weighted average shares | 15,750,000 | 15,193,000 | 15,608,000 | 14,971,000 |
Earnings per common share, basic (in dollars per share) | $ 0.16 | $ 0.20 | $ 0.64 | $ 0.93 |
Earnings per common share, diluted (in dollars per share) | $ 0.16 | $ 0.20 | $ 0.64 | $ 0.93 |
Net income attributable to One Liberty Properties, Inc. common stockholders, net of non-controlling interests: |  |  |  |  |
Income from continuing operations | 2,620 | 3,067 | 10,520 | 13,972 |
Income from discontinued operations |  | 144 | 13 | 425 |
Net income attributable to One Liberty Properties, Inc. | $ 2,620 | $ 3,211 | $ 10,533 | $ 14,397 |

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