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Derivatives and Hedging Activities (Schedule of Effect of Derivatives on the Consolidated Statements of Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Interest Rate Swap [Member] | Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Change in fair value of cash flow hedge | $ 7,856 | $ 12,611 | $ (23,540) | $ 86,712
Derivatives Not Designated as Hedges - Interest Rate Swap Agreements [Member] | Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount recognized/reclassified in Non-cash interest expense | $ 7,460 | $ 11,222 | $ 16,468 | $ 22,443

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