Validate XBRL Access the data

from arelle.RuntimeOptions import RuntimeOptions
from arelle.api.Session import Session

options = RuntimeOptions(
    entrypointFile="demo-20251231.xbrl",
    keepOpen=True,
    logLevel="warning",
)

with Session() as session:
    session.run(options)
    for report in session.get_models():
        if modelDocument := report.modelDocument:
            print(f"{modelDocument.basename}:")
        for fact in report.factsByLocalName.get("Revenue", ()):
            if context := fact.context:
                print(f"{context.endDate},{fact.effectiveValue}")

from collections.abc import Iterable
from typing import Any

from arelle.ValidateXbrl import ValidateXbrl
from arelle.utils.PluginData import PluginData
from arelle.utils.PluginHooks import ValidationHook
from arelle.utils.validate.Decorator import validation
from arelle.utils.validate.Validation import Validation


@validation(
    hook=ValidationHook.XBRL_FINALLY,
    disclosureSystems=["House rules"],
)
def ruleMandatoryConcept(
    pluginData: PluginData,
    val: ValidateXbrl,
    *args: Any,
    **kwargs: Any,
) -> Iterable[Validation]:
    mandatoryConcept = "AuditReport"
    if mandatoryConcept not in val.modelXbrl.factsByLocalName:
        yield Validation.error(
            codes="house.01.01",
            msg=f"{mandatoryConcept} must be reported.",
            modelObject=val.modelXbrl,
        )