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General (Tables)
 6 Months Ended
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
Derivative instruments measured at fair value and their classification on the consolidated balance sheets are presented in the following table (in thousands):
 
 Assets (liabilities) as of June 30, 2020 (unaudited)Assets (liabilities) as of December 31, 2019
 Notional
Amount		Fair
Value		Notional
Amount		Fair
Value
Foreign exchange forward contract derivatives in cash flow hedging relationships included in prepaid expenses and other current assets and accrued expenses and other short-term liabilities
$79,911  $424  $84,968  $(470) 
Foreign exchange forward contract derivatives in cash flow hedging relationships included in other long-term assets
$15,694  $546  $—  $—  
Foreign exchange forward contract derivatives for monetary items included in prepaid expenses and other current assets and accrued expenses and other short-term liabilities
$14,592  $(35) $26,995  $5  
Cash, Cash Equivalents and Investments Cash, cash equivalents, marketable securities and short-term deposits consist of the following (in thousands):
 
 As of June 30, 2020
(unaudited)
 Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized Losses		Fair
Value
Cash and cash equivalents    
Money market funds$18,634  $—  $—  $18,634  
Total$18,634  $—  $—  $18,634  
Marketable securities
US Treasury securities$26,021  $95  $—  $26,116  
Total$26,021  $95  $—  $26,116  
Short-term deposits
Term bank deposits$60,000  $—  $—  $60,000  
Total$60,000  $—  $—  $60,000  
 
 As of December 31, 2019
 Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized Losses		Fair
Value
Cash and cash equivalents    
Money market funds$4,789  $—  $—  $4,789  
Total$4,789  $—  $—  $4,789  
Marketable securities
US Treasury securities$41,510  $23  $(2) $41,531  
Total$41,510  $23  $(2) $41,531  
Short-term deposits
Term bank deposits$10,000  $—  $—  $10,000  
Total$10,000  $—  $—  $10,000