| Credit derivative, fair value | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Credit derivative, fair value at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Credit derivative, fair value at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The fair value of a credit derivative. [Refer: At fair value [member]; Derivatives [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Kreditna izvedenica, fer vrijednost | hr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Fer vrijednost kreditne izvedenice. [Refer.: Po fer vrijednosti [member]; Izvedenice [member]] | hr | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Kreditna izvedenica, fer vrijednost na početku razdoblja | hr | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Kreditna izvedenica, fer vrijednost na kraju razdoblja | hr | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |