Leases (Components of Operating Lease Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease cost	$ 89,994	$ 91,613	$ 96,078
Short-term and month-to-month lease cost	44,457	30,754	17,724
Variable lease cost	23,080	21,265	20,889
Sublease income	(16,035)	(14,734)	(16,918)
Total net lease cost	$ 141,496	$ 128,898	$ 117,773