Summary of Significant Accounting Policies and Recently Issued Accounting Standards - Recently Adopted Accounting Standards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Operating lease, liabilities	$ 91.9
Operating Lease, right-of-use asset	90.1
Provisions for bad debt	$ 2.5	$ 2.3	$ 2.9