Leases (Schedule of Supplemental Cash Flow Information Related to Leases) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Lessee Disclosure [Abstract]
Operating cash flows from operating leases	$ 4,932
Operating cash flows from finance leases	1,563
Financing cash flows from finance leases	1,180
Right-of-use assets obtained in exchange for operating lease obligations	9,250
Right-of-use assets obtained in exchange for finance lease obligations	$ 5,686