Summary of Lease information (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Noncash component of lease expense	$ 6.4	$ 4.8
Lease extension term		5 years
Lease expiration period		2029
Increase (decrease) in right-of-use asset		$ 7.3
Increase (decrease) in operating lease liabilities		$ 7.3