Leases (Schedule of Lease Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 31,697	$ 32,639	$ 33,004
Right of use assets obtained in exchange for new operating lease liabilities	$ 15,033	$ 21,746	$ 27,878