Leases (Maturity Of Leases As Lessee) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating leases, 2020	$ 7,945
Operating leases, 2021	31,963
Operating leases, 2022	31,961
Operating leases, 2023	31,210
Operating leases, 2024	29,368
Operating leases, Thereafter	162,035
Operating leases, Total lease payments	294,482
Operating leases, Less imputed interest	(66,656)
Total operating lease liabilities	227,826	$ 243,543
Finance leases, 2020	15
Finance leases, 2021	53
Finance leases, 2022	43
Finance leases, 2023	28
Finance leases, Total lease payments	139
Finance leases, Less imputed interest	(9)
Total finance lease liabilities	$ 130	$ 209