Schedule II - Valuation and Qualifying Accounts (Details) - Accounts receivable reserve: - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 939,061	$ 741,806	$ 996,860
Additions charged to cost and expenses	404,721	395,339	168,360
Deductions	278,156	198,084	423,414
Balance at end of period	$ 1,065,626	$ 939,061	$ 741,806