| Receivables from contracts with customers | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Receivables from contracts with customers at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Receivables from contracts with customers at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Total receivables from contracts with customers | 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 that is unconditional. A right to consideration is unconditional if only the passage of time is required before payment of that consideration is due. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Kliendilepingutest tulenevad nõuded | et | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Üksuse tingimusteta õigus tasule kliendile üle antud kaupade või teenuste eest. Õigus tasule on tingimustega sidumata juhul, kui kõnealuse tasu maksmise kohustus tekib lihtsalt aja möödudes. | et | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Kliendilepingutest tulenevad nõuded kokku | et | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Kliendilepingutest tulenevad nõuded perioodi alguses | et | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Kliendilepingutest tulenevad nõuded perioodi lõpus | et | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |