Fair Value Measurements (Schedule of Fair Value Assets and Liabilities Measured on a Recurring Basis) (Details) - Recurring [Member] - Interest Rate Swap Agreements [Member] - Other Assets [Member] - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Derivatives Fair Value [Line Items]
Interest rate swap agreements - Other assets	$ 34,552	$ 33,274
Level 2 [Member]
Derivatives Fair Value [Line Items]
Interest rate swap agreements - Other assets	$ 34,552	$ 33,274