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Equity - Cash Distributions (Details) - USD ($)
$ / shares in Units, $ in Thousands
Nov. 10, 2021
Aug. 11, 2021
May 14, 2021
Feb. 09, 2021
Nov. 12, 2020
Aug. 12, 2020
May 12, 2020
Feb. 12, 2020
Distribution Made to Limited Partner [Line Items]                
Total Quarterly Distribution Per Limited Partner Unit - Paid (in dollars per share)   $ 0.940 $ 0.920 $ 0.910 $ 0.905      
Total Cash Distribution, including general partner interest and IDRs   $ 40,846 $ 39,968 $ 39,533 $ 39,308 $ 36,000 $ 30,900 $ 30,600
Subsequent Event                
Distribution Made to Limited Partner [Line Items]                
Total Quarterly Distribution Per Limited Partner Unit - Paid (in dollars per share) $ 0.950              
Total Cash Distribution, including general partner interest and IDRs $ 41,286