Consolidated Balance Sheets (Parenthetical) - shares |
Sep. 30, 2019 |
Dec. 31, 2018 |
---|---|---|
Common Units [Member] | ||
Equity: | ||
Limited partners' capital account, units issued (in shares) | 82,750,201 | 82,665,057 |
Limited Partners' Capital Account, Units Outstanding | 82,750,201 | 82,665,057 |
Class C Units - Held by Subsidiary [Member] | ||
Equity: | ||
Limited partners' capital account, units issued (in shares) | 16,410,780 | 16,410,780 |
Limited Partners' Capital Account, Units Outstanding | 16,410,780 | 16,410,780 |