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INCOME TAXES - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax asset: |  |
Capitalized research expenditures | $ 54,931 | $ 55,277
Retirement plan | 14,185 | 13,633
Tax credit carry forwards | 9,628 | 9,542
Accruals and reserves | 7,100 | 6,988
Lease liabilities | 5,874 | 6,073
Stock-based compensation | 1,701 | 1,475
Deferred revenue | 588 | 655
Other | 3,706 | 2,783
Deferred Tax Assets, Gross | 97,713 | 96,426
Valuation allowance | (9,159) | (10,167)
Deferred tax assets | 88,554 | 86,259
Deferred tax liability: |  |
Lease Assets | (4,891) | (5,297)
Acquisition goodwill | (2,088) | (1,854)
Other | (2,121) | (788)
Deferred tax liabilities | (9,100) | (7,939)
Net deferred tax assets | $ 79,454 | $ 78,320

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