|
Consolidated Balance Sheets (Parenthetical)
|
Jun. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| General partner's interest, units issued | 35,750 | 35,750 |
| General partner's interest, units outstanding | 35,750 | 35,750 |
| Limited partners' interest, units issued | 35,713,700 | 35,713,700 |
| Limited partners' interest, units outstanding | 35,713,700 | 35,713,700 |