Leases (Narrative) (Details)	9 Months Ended
	Sep. 30, 2019
Leases [Line Items]
Operating lease, option to terminate leases	Some of our operating leases inclue options to terminate within one year.
Finance Lease, option to terminate leases	Some of our finance leases include options to terminate within one year.
Maximum [Member]
Leases [Line Items]
Operating Lease, remaining term of contract	15 years
Finance Lease, remaining term of contract	15 years