Condensed Consolidated Statements of Changes in Partners' Capital (Deficit) (Unaudited) (Parentheticals) - shares shares in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Limited Partner [Member]
Common units issued pursuant to the Employee Unit Purchase Plan (in shares)	25,772	32,696

Number of shares issued during the period as a result of an employee stock purchase plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration