Commitments and Contingencies - Additional Information (Detail)
|
9 Months Ended |
---|---|
Sep. 30, 2013
|
|
Schedule of Operating Leases [Line Items] | |
Operating leases expiration date | Jul. 31, 2017 |
Newly Leased Office Space
|
|
Schedule of Operating Leases [Line Items] | |
Operating leases expiration date | Apr. 30, 2018 |