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Leases - Narrative (Details) | 3 Months Ended
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Dec. 31, 2019
Lessee, Lease, Description [Line Items] |
Renewal term (up to) | 9 years
Vehicles | Minimum |
Lessee, Lease, Description [Line Items] |
Operating lease remaining lease term | 1 year
Vehicles | Maximum |
Lessee, Lease, Description [Line Items] |
Operating lease remaining lease term | 10 years
AmeriGas Propane | Subsidiary Concentration Risk | Lease Liability Total |
Lessee, Lease, Description [Line Items] |
Risk percent | 85.00%

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