Retirement Plans (Details) - Forge Nano, Inc. - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Retirement Plans | ||||||
| Contributions | $ 276 | $ 183 | $ 423 | $ 385 | ||
| Defined Contribution Plan, Type [Extensible Enumeration] | us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember | us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember | us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember | us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember | us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember | us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember |