Leases Lessor Disclosures (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Lessor, Lease, Description [Line Items]
Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year	$ 2.4
Lessor, Operating Lease, Payments to be Received, Two Years	3.1
Lessor, Operating Lease, Payments to be Received, Three Years	2.4
Lessor, Operating Lease, Payments to be Received, Four Years	1.7
Lessor, Operating Lease, Payments to be Received, Five Years	1.7
Lessor, Operating Lease, Payments to be Received, Thereafter	18.6
Lessor, Operating Lease, Payments to be Received	29.9
Lessor, Operating Lease Imputed Interest	(11.0)
Lessor, Operating Leases, Amount to be Received Less Imputed Interest	18.9
Lease Income	$ 0.8
Minimum [Member]
Lessor, Lease, Description [Line Items]
Lessor, Operating Lease, Term of Contract	3 years
Maximum [Member]
Lessor, Lease, Description [Line Items]
Lessor, Operating Lease, Term of Contract	29 years