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The following tables present our financial assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs use (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets:
Short-term investments	$ 148,100	$ 126,627
Liabilities:
Interest rate swaps	505
Foreign currency forward exchange contracts accounted for using hedge accounting	328
Foreign currency forward exchange contracts not accounted for using hedge accounting	59	253
	892	126,880
Fair Value, Inputs, Level 1 [Member]
Assets:
Short-term investments
Liabilities:
Interest rate swaps
Foreign currency forward exchange contracts accounted for using hedge accounting
Foreign currency forward exchange contracts not accounted for using hedge accounting
Fair Value, Inputs, Level 2 [Member]
Assets:
Short-term investments	148,100	126,627
Liabilities:
Interest rate swaps	505
Foreign currency forward exchange contracts accounted for using hedge accounting	328
Foreign currency forward exchange contracts not accounted for using hedge accounting	59	253
	892	126,880
Fair Value, Inputs, Level 3 [Member]
Assets:
Short-term investments
Liabilities:
Interest rate swaps
Foreign currency forward exchange contracts accounted for using hedge accounting
Foreign currency forward exchange contracts not accounted for using hedge accounting

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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