Leases (Supplemental Cash Flow Information Related to Leases) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating cash flows from finance leases	$ 17
Operating cash flows from operating leases	9,757
Financing cash flows from finance leases	229
Leased assets obtained in exchange for new finance lease liabilities	755
Leased assets obtained in exchange for new operating lease liabilities	$ 30,411
Weighted-average remaining lease term, Operating leases	4 years 3 months 18 days
Weighted-average remaining lease term, Finance leases	6 years 2 months 12 days
Weighted-average discount rate, Operating leases	4.20%
Weighted-average discount rate, Finance leases	5.30%