Defined Severance Benefits - Schedule of Principal Actuarial Assumptions Used to Determine the Net Period Cost (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate (in percentage)	3.50%	4.30%	5.10%
Salary growth rate (in percentage)	5.00%	5.00%	5.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate (in percentage)	3.90%	4.80%	5.30%
Salary growth rate (in percentage)	7.00%	7.00%	8.00%