# {py:mod}`arelle.oim.tc.value_validator`

```{py:module} arelle.oim.tc.value_validator
```

```{autodoc2-docstring} arelle.oim.tc.value_validator
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`ValueConstraintValidator <arelle.oim.tc.value_validator.ValueConstraintValidator>`
  - ```{autodoc2-docstring} arelle.oim.tc.value_validator.ValueConstraintValidator
    :summary:
    ```
````

### API

`````{py:class} ValueConstraintValidator(constraint: arelle.oim.tc.metadata.model.TCValueConstraint, namespaces: collections.abc.Mapping[str, str])
:canonical: arelle.oim.tc.value_validator.ValueConstraintValidator

```{autodoc2-docstring} arelle.oim.tc.value_validator.ValueConstraintValidator
```

```{rubric} Initialization
```

```{autodoc2-docstring} arelle.oim.tc.value_validator.ValueConstraintValidator.__init__
```

````{py:method} validate(value: str) -> bool
:canonical: arelle.oim.tc.value_validator.ValueConstraintValidator.validate

```{autodoc2-docstring} arelle.oim.tc.value_validator.ValueConstraintValidator.validate
```

````

````{py:method} first_violation(value: str) -> str | None
:canonical: arelle.oim.tc.value_validator.ValueConstraintValidator.first_violation

```{autodoc2-docstring} arelle.oim.tc.value_validator.ValueConstraintValidator.first_violation
```

````

`````