Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Schedule of Future Minimum Lease Payments Under Operating Leases with Non Cancelable Terms (Detail)

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Commitments and Contingencies - Schedule of Future Minimum Lease Payments Under Operating Leases with Non Cancelable Terms (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Operating Leased Assets [Line Items]  
2013 $ 6,734
2014 4,134
2015 3,851
2016 2,742
2017 2,092
Thereafter 8,209
Total $ 27,762