Leases - Additional Information (Detail) |
9 Months Ended |
---|---|
Sep. 30, 2019
USD ($)
| |
Operating lease option to extend | options to extend the leases for up to 10 years, and some of which include options to terminate the leases within 1 year. |
Sublease Income | $ 29,000 |
Sublease option to terminate | sublease expires in 2022 with an option to terminate and no option to extend. |
Maximum [Member] | |
Operating lease remaining lease term | 32 years |
Minimum [Member] | |
Operating lease remaining lease term | 1 year |