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Build-to-Suit Lease - Additional Information (Detail)
$ in Millions
 1 Months Ended
Dec. 31, 2015
ft²
Option
Mar. 31, 2016
USD ($)
Operating Leased Assets [Line Items]    
Property leased | ft² 41,400  
Operating lease expiration period 5 years  
Number of lease term extension options | Option 2  
Costs capitalized | $   $ 0.2
Maximum [Member]    
Operating Leased Assets [Line Items]    
Lease agreement, extendable lease term 10 years