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Note 5. Franchising and Marketing Activities Franchising and Marketing Activities (Tables) | 12 Months Ended
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Dec. 31, 2017
Franchising and Marketing Activities [Abstract] |
Schedule of the Number of Franchised and Company Owned Outlets in Operation [Table Text Block] | The number of franchised and company owned offices in operation are as follows:
| (Unaudited) As of December 31,
| 2017 |  | 2016 |  | 2015
Franchised: |  |  |  |  |
Century 21® | 7,973 |  |  | 7,330 |  |  | 6,897 |
ERA® | 2,298 |  |  | 2,347 |  |  | 2,355 |
Coldwell Banker® | 2,330 |  |  | 2,289 |  |  | 2,258 |
Coldwell Banker Commercial® | 180 |  |  | 180 |  |  | 163 |
Sotheby’s International Realty® | 905 |  |  | 836 |  |  | 794 |
Better Homes and Gardens® Real Estate | 353 |  |  | 332 |  |  | 304 |
Total Franchised | 14,039 |  |  | 13,314 |  |  | 12,771 |
Company Owned: |  |  |  |  |
Coldwell Banker® | 707 |  |  | 708 |  |  | 708 |
Sotheby’s International Realty® | 41 |  |  | 41 |  |  | 41 |
Corcoran®/Other | 41 |  |  | 40 |  |  | 38 |
Total Company Owned | 789 |  |  | 789 |  |  | 787 |
Schedule of the Changes in the Number of Franchised and Company Owned Outlets [Table Text Block] | The number of franchised and company owned offices (in the aggregate) changed as follows:
| (Unaudited) For the Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Franchised: |  |  |  |  |
Beginning balance | 13,314 |  |  | 12,771 |  |  | 12,769 |
Additions | 1,137 |  |  | 847 |  |  | 445 |
Terminations | (412 | ) |  | (304 | ) |  | (443 | )
Ending balance | 14,039 |  |  | 13,314 |  |  | 12,771 |
Company Owned: |  |  |  |  |
Beginning balance | 789 |  |  | 787 |  |  | 727 |
Additions | 20 |  |  | 38 |  |  | 74 |
Closures | (20 | ) |  | (36 | ) |  | (14 | )
Ending balance | 789 |  |  | 789 |  |  | 787 |

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