Leases Leases (Additional Information) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 employee	Dec. 31, 2018 USD ($)
Leases [Abstract]
Lessor, Operating Lease, Number of Landlords | employee	2
Lessor, Operating Lease, Renewal Term	5 years
Lessor, Operating Lease, Extension Term	5 years
Operating Leases, Rent Expense, Net | $		$ 1.3