Estimated Useful Lives of Property, Plant and Equipment (Detail)
|
12 Months Ended |
Dec. 31, 2016 |
|---|
| Building |
|
| Property Plant And Equipment Disclosure [Line Items] |
|
| Property, plant, and equipment, useful lives |
30 years
|
| Leasehold Improvements | Minimum |
|
| Property Plant And Equipment Disclosure [Line Items] |
|
| Property, plant, and equipment, useful lives |
3 years
|
| Leasehold Improvements | Maximum |
|
| Property Plant And Equipment Disclosure [Line Items] |
|
| Property, plant, and equipment, useful lives |
5 years
|
| Equipment and Computers | Minimum |
|
| Property Plant And Equipment Disclosure [Line Items] |
|
| Property, plant, and equipment, useful lives |
3 years
|
| Equipment and Computers | Maximum |
|
| Property Plant And Equipment Disclosure [Line Items] |
|
| Property, plant, and equipment, useful lives |
5 years
|
| Furniture and Fixtures |
|
| Property Plant And Equipment Disclosure [Line Items] |
|
| Property, plant, and equipment, useful lives |
5 years
|