Derivative Financial Instruments	12 Months Ended
Dec. 31, 2020
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	13. Derivative Financial Instruments The Company is exposed to certain risks relating to its ongoing business operations. The primary risk managed by using derivative instruments is foreign currency exchange rate risk. The Company has entered into certain financial derivative instruments to manage this risk. The derivative financial instruments the Company has entered into are forward exchange contracts which have terms of less than one year to economically hedge foreign currency exchange rate risk on recognized nonfunctional currency monetary accounts. The purpose of the Company’s foreign currency economic hedging activities is to economically hedge the Company’s risk from changes in the fair value of nonfunctional currency denominated monetary accounts. The Company records all derivative financial instruments at their fair value in its consolidated balance sheets. None of the derivative financial instruments that the Company holds are designated as either a fair value hedge or cash flow hedge and the gain or loss on the derivative instrument is recorded in earnings. The Company has determined that the fair value of its derivative financial instruments are computed using level 2 inputs (inputs other than quoted prices in active markets for identical assets and liabilities that are observable either directly or indirectly for substantially the full term of the asset or liability) in the fair value hierarchy as the fair value is based on publicly available foreign exchange rates at each financial reporting date. As of December 31, 2020 and 2019, the fair value of the Company’s foreign currency forward contracts totaled an asset of less than $1 million and a liability of less than $1 million in both periods. The Company’s foreign currency forward contract assets were included in prepaid and other current assets in the consolidated balance sheets and the Company’s foreign currency forward contract liabilities were included in other current liabilities in the consolidated balance sheets. For the years ended December 31, 2020, 2019 and 2018, the Company recorded a gain of $1 million, loss of $1 million and loss of $1 million, respectively, related to changes in fair value. All gains and losses were included in other expense in the consolidated statements of operations. The notional principal associated with those contracts was $8 million, $15 million and $20 million as of December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020, the Company’s financial instruments do not contain any credit-risk-related or other contingent features that could cause accelerated payments when the Company’s financial instruments are in net liability positions. The Company does not use derivative financial instruments for trading or speculative purposes.

Derivative Financial Instruments

12 Months Ended

Dec. 31, 2020

Derivative Instruments And Hedging Activities Disclosure [Abstract]

13. Derivative Financial Instruments

The Company is exposed to certain risks relating to its ongoing business operations. The primary risk managed by using derivative instruments is foreign currency exchange rate risk. The Company has entered into certain financial derivative instruments to manage this risk.

The derivative financial instruments the Company has entered into are forward exchange contracts which have terms of less than one year to economically hedge foreign currency exchange rate risk on recognized nonfunctional currency monetary accounts. The purpose of the Company’s foreign currency economic hedging activities is to economically hedge the Company’s risk from changes in the fair value of nonfunctional currency denominated monetary accounts.

The Company records all derivative financial instruments at their fair value in its consolidated balance sheets. None of the derivative financial instruments that the Company holds are designated as either a fair value hedge or cash flow hedge and the gain or loss on the derivative instrument is recorded in earnings. The Company has determined that the fair value of its derivative financial instruments are computed using level 2 inputs (inputs other than quoted prices in active markets for identical assets and liabilities that are observable either directly or indirectly for substantially the full term of the asset or liability) in the fair value hierarchy as the fair value is based on publicly available foreign exchange rates at each financial reporting date. As of December 31, 2020 and 2019, the fair value of the Company’s foreign currency forward contracts totaled an asset of less than $1 million and a liability of less than $1 million in both periods. The Company’s foreign currency forward contract assets were included in prepaid and other current assets in the consolidated balance sheets and the Company’s foreign currency forward contract liabilities were included in other current liabilities in the consolidated balance sheets.

For the years ended December 31, 2020, 2019 and 2018, the Company recorded a gain of $1 million, loss of $1 million and loss of $1 million, respectively, related to changes in fair value. All gains and losses were included in other expense in the consolidated statements of operations. The notional principal associated with those contracts was $8 million, $15 million and $20 million as of December 31, 2020, 2019 and 2018, respectively.

As of December 31, 2020, the Company’s financial instruments do not contain any credit-risk-related or other contingent features that could cause accelerated payments when the Company’s financial instruments are in net liability positions. The Company does not use derivative financial instruments for trading or speculative purposes.