Leases - Lessor Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)
Minimum | Equipment
Lessor, Lease, Description [Line Items]
Lessor, lease, term of contract (years)	24 months
Maximum | Equipment
Lessor, Lease, Description [Line Items]
Lessor, lease, term of contract (years)	120 months
COVID-19 | Finance Leases
Lessor, Lease, Description [Line Items]
Book value	$ 31.7
COVID-19 | Operating Leases
Lessor, Lease, Description [Line Items]
Book value	$ 16.7