Consolidated Balance Sheets (Parenthetical) - shares |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| General partner units, authorized (in units) | 461,136 | 427,083 |
| General partner units, issued (in units) | 461,136 | 427,083 |
| Common units | ||
| Limited partnership units, authorized (in units) | 11,947,127 | 10,213,545 |
| Limited partnership units, issued (in units) | 11,947,127 | 10,213,545 |
| Class A units | ||
| Limited partnership units, authorized (in units) | 250,000 | 250,000 |
| Limited partnership units, issued (in units) | 185,000 | 220,000 |
| Subordinated units | ||
| Limited partnership units, authorized (in units) | 10,463,545 | 10,463,545 |
| Limited partnership units, issued (in units) | 10,463,545 | 10,463,545 |