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Income Taxes (Schedule Of Temporary Differences That Give Rise To Deferred Tax Assets (Liabilities)) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Income Taxes [Abstract] |  |
Lease liabilities | $ 39,057 | $ 35,936
Accrued liabilities | 38,620 | 42,840
Stock compensation expense | 9,102 | 6,976
Implicit price concessions | 7,572 | 7,744
State net operating loss carryforwards | 1,443 | 1,920
Other | 1,330 | 920
Deferred income tax assets | 97,124 | 96,336
Amortization of intangible assets | (43,205) | (41,925)
Accelerated tax depreciation | (36,519) | (35,416)
Right of use lease assets | (35,514) | (32,489)
Deposit with OAS | (12,769) |
Current assets | (5,064) | (3,858)
State income taxes | (2,634) | (2,504)
Market valuation of investments | 102 | (3,189)
Other | (134) | (138)
Deferred income tax liabilities | (135,737) | (119,519)
Net deferred income tax liabilities | $ (38,613) | $ (23,183)

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