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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2015
Stockholders' Equity Note [Abstract] |
Noncontrolling Interest Rollforward [Table Text Block] | The following table summarizes the changes in noncontrolling interest for the six months ended June 30, 2015 and 2014:
| June 30, 2015 |  | June 30, 2014
Noncontrolling Interest, Beginning of Period | $ | 41,877 |  |  | $ | 44,369 |
Net Income | 649 |  |  | 269 |
Unit Distributions | (1,113 | ) |  | (915 | )
Other Comprehensive Income (Loss) (Including a Reallocation of $2 and $7) | 248 |  |  | (127 | )
Conversion of Units to Common Stock | (100 | ) |  | (1,333 | )
Reallocation - Additional Paid-in-Capital | 13 |  |  | (91 | )
Noncontrolling Interest, End of Period | $ | 41,574 |  |  | $ | 42,172 |

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