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Leases (Schedule Of Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Jan. 01, 2019
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Leases [Abstract] |  |
Operating lease right-of-use assets | $ 25,576 |
Accumulated amortization | (3,735) |
Operating lease right-of-use assets, net | 21,841 |
Current maturities of operating leases | 5,270 |
Non-current maturities of operating leases | 18,046 |
Total operating lease liabilities | 23,316 |
Finance leases, Property and equipment, at cost | 6,750 |
Finance leases, Accumulated amortization | (1,079) |
Finance leases, property and equipment, net | 5,671 |
Current maturities of finance leases | 636 |
Non-current maturities of finance leases | 5,144 |
Total finance lease liabilities | $ 5,780 |
Weighted average remaining lease term (in years): Operating leases | 5 years 8 months 12 days | 6 years
Weighted average remaining lease term (in years): Finance leases | 11 years |
Weighted average discount rate: Operating leases | 5.40% | 5.50%
Weighted average discount rate: Finance leases | 2.00% |

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