Consolidated Statements of Partners' Equity Parentheticals - $ / shares  | 
3 Months Ended | |
|---|---|---|
Mar. 31, 2021  | 
Mar. 31, 2020  | 
|
| Common Units [Member] | ||
| Distributions Paid, Per Unit | $ 0.655 | $ 0.63 | 
| Subordinated Units [Member] | ||
| Distributions Paid, Per Unit | $ 0.63 | |
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- Definition Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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