v3.19.3.a.u2

Business Description (Tables) | 12 Months Ended
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Dec. 31, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Summary of Economic Ownership Interest | The following table summarizes the economic ownership interest in the OP:
|  | December 31, |
Percentage of shares owned by |  | 2019 |  |  | 2018 |  |  | 2017 |
Corporation |  |  | 93.7 | % |  |  | 92.7 | % |  |  | 92.4 | %
Non-controlling interests |  |  | 6.3 | % |  |  | 7.3 | % |  |  | 7.6 | %
|  |  | 100.0 | % |  |  | 100.0 | % |  |  | 100.0 | %

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