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Fair Value Measurements - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Transfers between Level 1 and Level 2 securities $ 0 $ 0  
Transfers into or out of Level 3 securities 0 0  
Goodwill and intangible asset impairment 0 $ 0  
Foreign Exchange Forward | Designated as Hedging Instrument      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notional amount of derivative instrument $ 20,000,000.0   $ 8,000,000.0