Equity - Authorized Shares and Common Shares Issued and Fully Paid (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Classes Of Share Capital [Abstract]
Number of shares	50,000,000	50,000,000
Number of common shares issued and fully paid	13,830,769	13,830,769	13,830,769
Amount of common shares issued and fully paid	$ 138	$ 138	$ 138

The number of shares issued by the entity, for which full payment has been received.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 79
-Subparagraph a
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_ii&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_NumberOfSharesIssuedAndFullyPaid
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant