Commitments and Contingencies - Leases (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Remaining lease term	6 years 3 months 18 days
Supplemental Cash Flow Information [Abstract]
Cash paid for operating lease liabilities	$ 25.0
Right-of-use assets obtained in exchange for operating lease liabilities	$ 100.5
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Lease renewal term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	13 years
Lease renewal term	20 years