Leases (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease right-of-use asset	$ 183,048	$ 0
Operating lease liabilities	15,862	0
Operating lease liabilities	174,327	$ 0
Operating Lease, Liability	190,189
Finance Lease, Right-of-Use Asset	1,488
Finance Lease, Liability, Current	669
Finance Lease, Liability, Noncurrent	811
Finance Lease, Liability	$ 1,480
Operating Lease, Weighted Average Remaining Lease Term	19 years 2 months 26 days
Finance Lease, Weighted Average Remaining Lease Term	2 years 9 months 3 days
Operating Lease, Weighted Average Discount Rate, Percent	3.59%
Finance Lease, Weighted Average Discount Rate, Percent	2.98%