Stock-Based Compensation (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] |
A detail of compensation expense recognized during the years ended December 31, 2017 and 2016, is as follows:
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| Two Thousand Seventeen Program [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Share-based Compensation, Activity [Table Text Block] |
The LTIP unit awards under the 2017 Program and subsequent activity during the year ended December 31, 2017, are as follows:
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| Equity Incentive Plan 2016 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Share-based Compensation, Activity [Table Text Block] |
The time-based vesting LTIP units granted under the Plan during the years ended December 31, 2016 and 2017are as follows:
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