Leases - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Sales-type lease income	$ 2,100,000		$ 3,200,000
Lease income	$ 600,000	$ 0	$ 1,300,000	$ 0