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Subsequent Event	6 Months Ended
Subsequent Event	Mar. 31, 2018
Subsequent Events [Abstract]
Subsequent Event	17.Subsequent Event On April 5, 2018, the Operating Partnership acquired the propane assets and operations of a propane retailer headquartered in Florida for $11,900, including $1,750 for non-compete consideration, plus working capital acquired. The acquisition was consummated pursuant to the Partnership’s strategic growth initiatives.