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Allowance Accounts - Activities In Allowance For Credit Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Allowance for credit losses |  |  |
Balance at beginning of year | $ 3,407 | $ 2,277 | $ 1,477
Additions | 275 | 1,149 | 800
Write-offs |  | (19) |
Balance at end of year | 3,682 | 3,407 | 2,277
Deferred tax asset valuation allowance |  |  |
Balance at beginning of year | 81,115 | 22,157 | 14,047
Additions |  | 51,354 |
Adjustments | (5,734) | 7,604 | 8,110
Balance at end of year | 75,381 | 81,115 | 22,157
Valuation allowance increase (release) | (5,700) | 59,000 | $ 8,100
Current Year Activity and Prior Year Adjustments |  |  |
Deferred tax asset valuation allowance |  |  |
Valuation allowance increase (release) | (7,700) | $ 7,600 |
Foreign | U.S. Group Foreign Tax Credit Carryforward |  |  |
Deferred tax asset valuation allowance |  |  |
Valuation allowance increase (release) | 5,200 |  |
Foreign | Brazil |  |  |
Deferred tax asset valuation allowance |  |  |
Valuation allowance increase (release) | $ (3,200) |  |

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