NONCONTROLLING INTERESTS - Narrative (Details) - Nerdy LLC - shares shares in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Noncontrolling Interest [Line Items] | ||||||||
| Common units | 190,772 | 189,144 | 185,422 | 183,751 | 190,772 | 185,422 | 187,956 | 182,094 |
| Legacy Nerdy Holders | ||||||||
| Noncontrolling Interest [Line Items] | ||||||||
| Common units | 63,730 | 63,730 | 64,395 | 64,395 | 63,730 | 64,395 | 64,395 | 64,395 |
| Economic interest, LLC ownership percentage | 33.40% | 33.70% | 34.70% | 35.00% | 33.40% | 34.70% | 34.30% | 35.40% |
| Legacy Nerdy Holders | Class B common stock | ||||||||
| Noncontrolling Interest [Line Items] | ||||||||
| Common units | 63,730 | 63,730 | 64,395 | |||||
| Nerdy Inc. | ||||||||
| Noncontrolling Interest [Line Items] | ||||||||
| Common units | 127,042 | 125,414 | 121,027 | 119,356 | 127,042 | 121,027 | 123,561 | 117,699 |
| Economic interest, LLC ownership percentage | 66.60% | 66.30% | 65.30% | 65.00% | 66.60% | 65.30% | 65.70% | 64.60% |