Leases (Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 21,764	$ 15,925
Right-of-use assets obtained in exchange for operating lease obligations	$ 7,968	$ 32,442