Leases (Supplemental Cash Flow Information) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 9,579
Operating cash flows from finance leases	220
Financing cash flows from finance leases	1,111
Right-of-use assets obtained in exchange for new operating lease liabilities	17,762
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 1,886