Schedule of Estimated Useful Lives of Property and Equipment (Detail) |
12 Months Ended |
---|---|
Dec. 31, 2016 | |
Building [Member] | |
Property Plant And Equipment [Line Items] | |
Useful Life | 39 years |
Leasehold Improvements [Member] | |
Property Plant And Equipment [Line Items] | |
Estimated Useful Life | Lesser of life or lease or expected useful life |
Equipment And Furniture [Member] | Minimum [Member] | |
Property Plant And Equipment [Line Items] | |
Useful Life | 3 years |
Equipment And Furniture [Member] | Maximum [Member] | |
Property Plant And Equipment [Line Items] | |
Useful Life | 7 years |
Vehicles [Member] | |
Property Plant And Equipment [Line Items] | |
Useful Life | 5 years |
Computer Software [Member] | Minimum [Member] | |
Property Plant And Equipment [Line Items] | |
Useful Life | 3 years |
Computer Software [Member] | Maximum [Member] | |
Property Plant And Equipment [Line Items] | |
Useful Life | 5 years |