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Fair Value Measurements (Schedule of Assets and Liabilities Measured at a Fair Value on Recurring Basis) (Details) - USD ($) | Sep. 30, 2022 | Dec. 31, 2021
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Interest rate swaps assets | $ 0 |
Deferred compensation liabilities | 0 |
Interest rate swaps liability | $ 0 |
Recurring Basis [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Investments related to deferred compensation liabilities |  | $ 955,000
Deferred compensation liabilities |  | 982,000
Interest rate swaps liability |  | 8,232,000
Recurring Basis [Member] | Level 1 [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Investments related to deferred compensation liabilities |  | 955,000
Deferred compensation liabilities |  | 982,000
Recurring Basis [Member] | Level 2 [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Interest rate swaps liability |  | $ 8,232,000

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