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Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amount
Statutory U.S. Federal Income Tax Rate		$ 466,814	$ (44,509)	$ (133,668)
Net Effect of State Income Taxes		83,379	(5,817)	(36,300)
Uncertain Tax Positions		17,673	14,440	35,914
Effect of Equity Compensation		1,036	2,254	2,465
Effect of Change in Valuation Allowance		(37,607)	(35,427)	28,704
Deferred Adjustments		(837)	2,481	(4,408)
Effect of State Rate Changes		297	10,025	22,458
Effect of Federal Tax Credits		(28,974)	(15,723)	(53,269)
Other		428	2,406	234
Income Tax Expense (Benefit) / Effective Rate	$ (15,983)	$ 502,209	$ (69,870)	$ (137,870)
Percent
Statutory U.S. Federal Income Tax Rate		21.00%	21.00%	21.00%
Net Effect of State Income Taxes		3.80%	2.80%	5.70%
Uncertain Tax Positions		0.80%	(6.80%)	(5.60%)
Effect of Equity Compensation		0.00%	(1.10%)	(0.40%)
Effect of Change in Valuation Allowance		(1.70%)	16.70%	(4.50%)
Deferred Adjustments		0.00%	(1.20%)	0.70%
Effect of State Rate Changes		0.00%	(4.70%)	(3.50%)
Effect of Federal Tax Credits		(1.30%)	7.40%	8.30%
Other		0.00%	(1.10%)	0.00%
Income Tax Expense (Benefit) / Effective Rate		22.60%	33.00%	21.70%

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