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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Cash Flow Hedging | Interest rate contracts
Derivative [Line Items]
Gains (losses) recognized in AOCI	$ 34	$ 0	$ (1,449)	$ 0
(Losses) gains reclassified from AOCI to Interest expense	(87)	0	290	0
Net Investment Hedging | Foreign exchange contracts
Derivative [Line Items]
(Losses) gains recognized in AOCI	$ (2,627)	$ 2,954	$ (2,000)	$ 351