XML 71 R61.htm IDEA: XBRL DOCUMENT v3.19.1
Derivatives - Summary of Gains (Losses) on Derivatives Designated as Cash Flow Hedging Instruments (Detail) - Forward Exchange Contracts [Member] - Cash Flow Hedging [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]    
Net gain recognized in OCI $ 67 $ 66
Net gain (loss) reclassified from accumulated OCI into income $ 949 $ (2,539)