Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.4.0.3
Commitments and Contingencies - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2016
USD ($)
Lease
Mar. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]    
Number of leases | Lease 4  
Expenses incurred for the properties listed $ 0.1 $ 0.1
Letters of credit, outstanding $ 3.0