Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Operating Lease Exit Accruals (Detail)

v3.3.0.814
Summary of Significant Accounting Policies - Summary of Operating Lease Exit Accruals (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Accounting Policies [Abstract]    
Balance at December 31, 2014 $ 18,962  
Lease exit expense 1,485 $ (272)
Payments (4,671)  
Balance at September 30, 2015 $ 15,776