S000028695 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| CTIVP - CenterSquare Real Estate Fund | CTIVP - CenterSquare Real Estate Fund Class 2 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.11% | 9.86% | 13.56% | (24.33%) | 41.20% | (5.18%) | 26.16% | (5.85%) | 5.74% | 4.76% |