Quarterly report pursuant to Section 13 or 15(d)

Impairment of Long-Lived Assets - Additional Information (Detail)

v3.7.0.1
Impairment of Long-Lived Assets - Additional Information (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
Indefinite-lived Intangible Assets [Line Items]    
Estimated aggregate fair value of long-lived assets impaired during current period $ 1,128  
Multiple of cash flows used to estimate fair value of long-lived asset 6.5 6.5