Derivatives (Gains (Losses) in Cash Flow Hedge and Net Investment Hedge) (Details) - Derivative instruments designated as hedging instruments - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flow Hedging | Interest rate contracts
Derivative [Line Items]
Gains recognized in AOCI	$ 426	$ 0
(Losses) reclassified from AOCI to interest expense	(177)	0
Net Investment Hedging | Foreign exchange contracts
Derivative [Line Items]
Gains recognized in AOCI	$ 101	$ 1,004