Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.5.0.2
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Taxes [Line Items]        
Net operating loss $ 151 $ 660 $ 7,361 $ 5,657
Federal [Member]        
Income Taxes [Line Items]        
Net operating loss     80,700  
State [Member]        
Income Taxes [Line Items]        
Net operating loss     $ 30,200