Leases - Additional Information (Details) $ in Millions |
12 Months Ended |
---|---|
Dec. 31, 2019
USD ($)
| |
Lessee Lease Description [Line Items] | |
Operating lease expiration term | 2043 |
Future Lease Agreements | |
Lessee Lease Description [Line Items] | |
Operating lease expected to commence undiscounted lease liabilities in 2020 | $ 5.1 |
Operating lease expected to commence undiscounted lease liabilities in 2021 | $ 0.6 |