Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for credit losses
Changes in valuation and qualifying Accounts
Balance at the beginning of the period	$ 7,011	$ 5,189	$ 5,675
Charged to Costs and Expenses	2,842	2,509	1,019
Charged To Other Accounts	(6)	(687)	(1,505)
Deductions From Reserves	0	0	0
Balance at the end of the period	9,847	7,011	5,189
Allowance for deferred tax assets
Changes in valuation and qualifying Accounts
Balance at the beginning of the period	312,727	318,343	288,288
Charged to Costs and Expenses	20,924	(5,616)	30,055
Charged To Other Accounts	0	0	0
Deductions From Reserves	0	0	0
Balance at the end of the period	$ 333,651	$ 312,727	$ 318,343