Derivatives (Gains (Losses) in Foreign Currency Translation Adjustment and in Cash Flow Hedges) (Details) - Derivative instruments designated as hedging instruments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Cash Flow Hedging | Interest rate contracts
Derivative [Line Items]
Gains (losses) recognized in AOCI	$ (1,483)	$ 0	$ (1,483)	$ 0
Gains (losses) reclassified from AOCI to Interest expense	377	0	377	0
Net Investment Hedging | Foreign exchange contracts
Derivative [Line Items]
Gains (losses) recognized in AOCI	$ (377)	$ (598)	$ 627	$ (2,603)