Leases (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Lease not yet commenced, expense	$ 15.8	$ 0.4
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	31 years