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) |