Derivative And Hedging Activities - Summary of Derivative Financial Instruments Not Designated as Hedging Instruments (Details) - Derivatives Not Designated as Hedging Instruments - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ 311	$ 276	$ 426
Other contracts | Other Income
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ 311	$ 276	$ 426