Valuation and Qualifying Accounts (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Doubtful Accounts Receivable [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 450,000	$ 390,000	$ 700,000	$ 492,000
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Charges to Expense	67,000	(294,000)	393,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(7,000)	(16,000)	(185,000)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 450,000	$ 390,000	700,000
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount			0	$ 287,276,000
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Charges to Expense			(284,551,000)
Charges to Revenue			0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction			(2,725,000)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount			$ 0