Leases - Additional Information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Lessee Lease Description [Line Items]
Operating lease expiration term	2041
Future Lease Agreements
Lessee Lease Description [Line Items]
Operating lease expected to commence undiscounted lease liabilities in 2020	$ 9.2
Operating lease expected to commence undiscounted lease liabilities in 2021	$ 3.2