| Inventory - Additional Information (Details) $ in Millions | Sep. 30, 2019  USD ($) | 
|---|---|
| Inventory Disclosure [Abstract] | |
| Inventory reserve adjustment | $ 2.1 | 
| Accrued loss on purchase commitments | $ 0.7 | 
| X | ||||||||||
| 
- Definition Accrued loss on purchase commitments. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- References No definition available. 
 |