Business (Details) - Welltower OP Inc |
6 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Noncontrolling Interest [Line Items] | |
| Weighted average ownership percentage (in percent) | 98.186% |
| Ownership percentage by parent (in percent) | 98.135% |
| Other Investors | |
| Noncontrolling Interest [Line Items] | |
| Ownership interest (in percent) | 1.865% |