Derivative Financial Instruments (Schedule of Other Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	$ 510	$ 26,725	$ 556	$ 38,510
Interest Rate Swap | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	0	(700)	0	(1,384)
Foreign Exchange Forward | Miscellaneous, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	510	250	556	430
Other Contract | Miscellaneous, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	$ 0	$ 27,175	$ 0	$ 39,464