XML 20 R8.htm IDEA: XBRL DOCUMENT v3.21.2
Condensed Statements of Partner's Capital (Unaudited) (Parenthetical) - $ / shares
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Mar. 31, 2020
Equity [Abstract]          
Cash distributions per limited partnership interest $ 4.32 $ 4.32 $ 12.96 $ 2.16 $ 12.96