BALANCE SHEETS (Parenthetical) - shares	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Partners' Equity, common units authorized	100,000,000	100,000,000
Partners' Equity, common units issued	87,656,632	87,656,632
Partners' Equity, common units outstanding	85,975,911	85,975,911