Summary of Significant Accounting Policies (Schedule of Right-of-use Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Summary of Significant Accounting Policies [Abstract]
Current operating lease liabilities	$ 260,082	$ 236,804
Current financing lease liabilities	2,283	1,693
Current lease liabilities	262,365	238,497
Long-term operating lease liabilities	2,037,496	1,979,239
Long-term financing lease liabilities	3,132	2,114
Long-term lease liabilities	$ 2,040,628	$ 1,981,353