Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
Summary of Significant Accounting Policies - Summary of Operating Lease Exit Accruals (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Accounting Policies [Abstract]    
Balance at December 31, 2014 $ 18,962  
Lease exit expense 707 $ 624
Payments (3,066)  
Balance at June 30, 2015 $ 16,603