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Other equity interest (Tables)

12 Months Ended

Dec. 31, 2022

Other Equity Interests [Abstract]

Summary of Other Equity Interest


		2020
		Financial statements translation differences of foreign operations		Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income		Total
		NT$000		NT$000		NT$000
January 1		(89,682)		66,386		(23,296)
Currency translation differences
- The Company		28,352		—		28,352
Evaluation adjustment
- The Company		—		140,199		140,199
- Associates		—		22,925		22,925
Evaluation adjustment related tax
- The Company		—		(34,794)		(34,794)
December 31		(61,330)		194,716		133,386


		2021
		Financial statements translation differences of foreign operations		Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income		Total
		NT$000		NT$000		NT$000
January 1		(61,330)		194,716		133,386
Currency translation differences
- The Company		(24,695)		—		(24,695)
Evaluation adjustment
- The Company		—		122,514		122,514
- Associates		—		21,094		21,094
Evaluation adjustment related tax
- The Company		—		(30,459)		(30,459)
December 31		(86,025)		307,865		221,840


		2022
		Financial statements translation differences of foreign operations		Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income		Total
		NT$000		NT$000		NT$000
January 1		(86,025)		307,865		221,840
Currency translation differences
- The Company		68,656		—		68,656
Evaluation adjustment
- The Company		—		(46,419)		(46,419)
- Associates		—		(28,353)		(28,353)
Evaluation adjustment related tax
- The Company		—		12,559		12,559
December 31		(17,369)		245,652		228,283