| Value | {"per": "shares", "amount": -203.13, "concept": "us-gaap:EarningsPerShareDiluted", "currency": "JPY"} |
|---|---|
| Period | 2021-01-01 – 2021-12-31 |
| Status | current |
| Entity | Medirom Healthcare Technologies Inc. |
0001558370-22-017729f7bde1a401b286c74a2fd824ee1df541…