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Related-Party Transactions: (Tables) | 12 Months Ended
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Dec. 31, 2015
Related Party Transactions [Abstract] |
Schedule of fees charged to unconsolidated joint ventures | The following are fees charged to unconsolidated joint ventures for the years ended December 31:
| 2015 |  | 2014 |  | 2013
Management fees | $ | 10,064 |  |  | $ | 16,751 |  |  | $ | 19,726 |
Development and leasing fees | 9,615 |  |  | 10,528 |  |  | 9,936 |
| $ | 19,679 |  |  | $ | 27,279 |  |  | $ | 29,662 |

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- Definition Tabular disclosure of revenue derived from management, development and leasing fees charged to unconsolidated joint ventures and third-party managed properties. + References No definition available. + Details
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- References No definition available. + Details
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