XML 124 R158.htm IDEA: XBRL DOCUMENT v3.20.1

Subsequent Event (Details)	12 Months Ended
	Dec. 31, 2019
Subsequent Event [Abstract]
Percentage of decline in sales	10.00%

X

- Definition

The percentage of decline in sales.

+ References

No definition available.

+ Details

Name:	himx_PercentageOfDeclineInSales
Namespace Prefix:	himx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration