| Fact | Value | Period | Source |
|---|
| cash_and_equivalents | {"amount": 82660000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2024-12-31 | esef |
| cash_and_equivalents | {"amount": 92785000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2023-12-31 | esef |
| cash_and_equivalents | {"amount": 94365000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-12-31 | esef |
| cash_and_equivalents | {"amount": 118505000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-12-31 | esef |
| cash_and_equivalents | {"amount": 87452000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2020-12-31 | esef |
| cash_and_equivalents | {"amount": 59123000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2019-12-31 | esef |
| cashflow_financing | {"amount": 9281000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2020-12-31 | esef |
| cashflow_financing | {"amount": -62826000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2024-12-31 | esef |
| cashflow_financing | {"amount": -47567000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2023-12-31 | esef |
| cashflow_financing | {"amount": 55806000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2022-12-31 | esef |
| cashflow_financing | {"amount": -2207000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-12-31 | esef |
| cashflow_investing | {"amount": -3871000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2024-12-31 | esef |
| cashflow_investing | {"amount": -9272000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2023-12-31 | esef |
| cashflow_investing | {"amount": -16050000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2020-12-31 | esef |
| cashflow_investing | {"amount": -112359000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2022-12-31 | esef |
| cashflow_investing | {"amount": -6253000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-12-31 | esef |
| cashflow_operating | {"amount": 34991000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2020-12-31 | esef |
| cashflow_operating | {"amount": 56518000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2024-12-31 | esef |
| cashflow_operating | {"amount": 55480000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2023-12-31 | esef |
| cashflow_operating | {"amount": 32620000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2022-12-31 | esef |
| cashflow_operating | {"amount": 39455000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-12-31 | esef |
| current_assets | {"amount": 234350000.0, "concept": "ifrs-full:CurrentAssets"} | 2021-12-31 | esef |
| current_assets | {"amount": 184686000.0, "concept": "ifrs-full:CurrentAssets"} | 2020-12-31 | esef |
| current_liabilities | {"amount": 167851000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2021-12-31 | esef |
| current_liabilities | {"amount": 132917000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2020-12-31 | esef |
| entity_legal_form | {"value": "P418", "elf_code": "P418"} | | gleif |
| eps_basic | {"amount": 0.56, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_basic | {"amount": 0.35, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2020-12-31 | esef |
| eps_diluted | {"amount": 0.55, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_diluted | {"amount": 0.35, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2020-12-31 | esef |
| headquarters_address | {"city": "SANTA MARIA DI SALA", "region": "IT-VE", "street": "VIA DELLE INDUSTRIE, 16", "c | | gleif |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 761000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 1011000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": -6304000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": -15440000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": -7194000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 177000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -107000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -814000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets | {"amount": 268000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets | {"amount": -2005000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets | {"amount": -1042000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets | {"amount": -503000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets | {"amount": -2713000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": 280000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": 7200000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": 9848000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": -13090000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": -12957000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 7526000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 6209000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 15232000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 13760000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 16930000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 7526000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForFinanceCosts | {"amount": 2506000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForFinanceCosts | {"amount": 3164000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForFinanceCosts | {"amount": 1983000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForFinanceIncomeCost | {"amount": 69000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForFinanceIncomeCost | {"amount": -149000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForFinanceIncomeCost | {"amount": 1983000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 17921000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 15989000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 6576000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 11509000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 7074000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": 40000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": 164000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": -126000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": -1104000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": -2904000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": 875000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": 5994000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": 2881000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": -113000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": -400000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": -114000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 2524000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 1595000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": -4176000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": -1600000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 8437000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 10546000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": 427000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -24000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -21000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 3629000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 2840000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 2983000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 3018000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 1052000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": -6982000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": -1171000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": 114000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": -972000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": -82000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 1562000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -2117000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -329000.0} | 2024-12-31 | esef |
| ifrs:Assets | {"amount": 531619000.0} | 2024-12-31 | esef |
| ifrs:Assets | {"amount": 504745000.0} | 2023-12-31 | esef |
| ifrs:Assets | {"amount": 523010000.0} | 2022-12-31 | esef |
| ifrs:Assets | {"amount": 320335000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 270058000.0} | 2020-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.56} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.35} | 2020-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.87} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.97} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.68} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.56} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 82660000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 92785000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 94365000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 118505000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 87452000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 59123000.0} | 2019-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 167000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | {"amount": 1024000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | {"amount": 6556000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | {"amount": -5226000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments | {"amount": 3626000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -62826000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -47567000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 9281000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 55806000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -2207000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings | {"amount": 676000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings | {"amount": -6335000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings | {"amount": -3721000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings | {"amount": -22000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings | {"amount": 7696000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -3871000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -9272000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -16050000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -112359000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -6253000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 56518000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 55480000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 34991000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 32620000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 39455000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 85547000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 87015000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 35641000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 67647000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 39384000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": -3465000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 14914000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 100470000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 53223000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 44780000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 14871000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 40734000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 30227000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 1822000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -671000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -226000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 498000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 253000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 51401000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 45278000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 15097000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 40481000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 30898000.0} | 2021-12-31 | esef |
| ifrs:CurrentAdvances | {"amount": 37220000.0} | 2024-12-31 | esef |
| ifrs:CurrentAdvances | {"amount": 37445000.0} | 2023-12-31 | esef |
| ifrs:CurrentAdvances | {"amount": 50248000.0} | 2022-12-31 | esef |
| ifrs:CurrentAdvances | {"amount": 31042000.0} | 2021-12-31 | esef |
| ifrs:CurrentAdvances | {"amount": 19421000.0} | 2020-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 234350000.0} | 2021-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 184686000.0} | 2020-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 288546000.0} | 2024-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 292919000.0} | 2023-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 306138000.0} | 2022-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 234350000.0} | 2021-12-31 | esef |
| ifrs:CurrentContractAssets | {"amount": 16392000.0} | 2024-12-31 | esef |
| ifrs:CurrentContractAssets | {"amount": 8828000.0} | 2023-12-31 | esef |
| ifrs:CurrentContractAssets | {"amount": 6374000.0} | 2022-12-31 | esef |
| ifrs:CurrentContractAssets | {"amount": 4519000.0} | 2021-12-31 | esef |
| ifrs:CurrentContractAssets | {"amount": 6477000.0} | 2020-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 3136000.0} | 2024-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 4748000.0} | 2023-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 7060000.0} | 2022-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 8174000.0} | 2021-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 5101000.0} | 2020-12-31 | esef |
| ifrs:CurrentFinancialAssets | {"amount": 108000.0} | 2024-12-31 | esef |
| ifrs:CurrentFinancialAssets | {"amount": 6556000.0} | 2023-12-31 | esef |
| ifrs:CurrentFinancialAssets | {"amount": 6815000.0} | 2022-12-31 | esef |