Quarterly report pursuant to Section 13 or 15(d)

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

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Summary of Significant Accounting Policies - Summary of Lease Exit Accruals (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Accounting Policies [Abstract]  
Beginning balance $ 9,790
Lease exit expense 614
Payments (1,189)
Other (885)
Ending balance $ 8,330