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Units Outstanding (Details)
3 Months Ended
Mar. 31, 2021
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Units Outstanding  
Outstanding as of December 31, 2020 (in units) 98,322,942
Options exercised (in units) 79,108
Units issued (in units) 2,847,552
Units retired (in units) (759,753)
Outstanding as of March 31, 2021 (in units) 100,489,849