XML 59 R48.htm IDEA: XBRL DOCUMENT v3.7.0.1
INCOME TAXES - ADDITIONAL INFORMATION (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Benefit (provision) for income taxes $ 152 $ (1,701)  
Prepaid income taxes 0   $ 4,997
Retained earnings (accumulated deficit) (139,190)   (119,329)
Unrecognized tax benefits 6,300    
Unrecognized tax benefits, interest 2    
Unrecognized tax benefits that would affect the Company's effective tax rate 97    
Deferred income tax assets 359    
Deferred income tax liabilities 33    
Valuation allowance of deferred tax assets $ 42,200    
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-16 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Prepaid income taxes     (7,000)
Retained earnings (accumulated deficit)     $ (7,000)