Leases - Narrative (Details)	Sep. 30, 2019
Minimum | Building
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	1 year
Minimum | Equipment
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	1 year
Maximum | Building
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	10 years
Maximum | Equipment
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	5 years