| Contract assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Contract assets at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Contract assets at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Total contract assets | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance). | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Active din contracte | ro | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cuantumul aferent dreptului unei entități la o contraprestație în schimbul bunurilor sau serviciilor transferate de entitate unui client, atunci când dreptul respectiv este condiționat de altceva decât de trecerea timpului (de exemplu, de executarea viitoare a obligațiilor de către entitate). | ro | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Total active din contracte | ro | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Active din contracte la începutul perioadei | ro | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Active din contracte la finalul perioadei | ro | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |