XML 22 R111.htm IDEA: XBRL DOCUMENT v3.20.1
Financial Assets and Financial Liabilities - Foreign Currency Forward Contracts (Detail) - Foreign currency forward contracts [Member] - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Financial Instruments [Line Items]    
Assets $ 0 $ 0
Liabilities $ 3 $ 142