UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares	Sep. 30, 2020	Dec. 31, 2019
Subsidiary Series A preferred unitholders, issued	237,184	300,000
Subsidiary Series A preferred unitholders, outstanding	237,184	300,000
Common limited partner capital (in shares), issued	56,624,887	45,318,866
Common limited partner capital (in shares), outstanding	56,624,887	45,318,866
Mezzanine Capital
Subsidiary Series A preferred unitholders, issued	83,842	30,058
Subsidiary Series A preferred unitholders, outstanding	83,842	30,058