Income Taxes Changes in Balance of Deferred Tax Asset Valuation Allowance (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning Balance	$ (1,276,305)	$ (1,326,204)	$ (1,148,268)
Additions	(5,810)	(61,470)	(182,325)
Deductions	194,610	111,369	4,389
Ending Balance	$ (1,087,505)	$ (1,276,305)	$ (1,326,204)