Leases - Additional Information (Detail) |
12 Months Ended |
---|---|
Dec. 31, 2019
USD ($)
| |
Maximum [Member] | |
Operating Leases, Rent Expense | $ 200,000 |
Lease Expiration Date | Dec. 31, 2038 |
Minimum [Member] | |
Operating Leases, Rent Expense | $ 11,000 |
Lease Expiration Date | Dec. 31, 2020 |