Derivative Financial Instruments (Schedule of Other Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	$ (411)	$ 538	$ 46	$ 11,786
Interest Rate Swap | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	0	(538)	0	(684)
Foreign Exchange Forward | Miscellaneous, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	(411)	474	46	181
Other Contract | Miscellaneous, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivative instrument	$ 0	$ 602	$ 0	$ 12,289