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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of Capitalized Salaries Including Bonuses and Benefits [Table Text Block] | During the years ended December 31, 2014, 2013 and 2012, the Company's internal direct construction costs are comprised entirely of capitalized salaries. The following table shows the amount of compensation costs (including bonuses and benefits) capitalized for the years presented (in thousands):
| December 31,
| 2014 |  | 2013 |  | 2012
Development | $ | 1,749 |  |  | $ | 156 |  |  | $ | 57 |
Redevelopment | 184 |  |  | 194 |  |  | 353 |
Tenant Improvements | 3,261 |  |  | 3,323 |  |  | 4,259 |
Total | $ | 5,194 |  |  | $ | 3,673 |  |  | $ | 4,669 |

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