Defined Severance Benefits - Schedule of Expected Maturity Analysis of Undiscounted Defined Severance Benefits (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Retirement Benefits [Abstract]
Defined severance benefits, less than 1 year	$ 80,455
Defined severance benefits, between 1-2 years	90,854
Defined severance benefits, between 2-5 years	210,581
Defined severance benefits, over 5 years	256,755
Defined severance benefits	$ 638,645

Defined Benefit Plan, Expected Future Benefit Payment

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- Definition

Defined Benefit Plan, Expected Future Benefit Payment, Between Two And Five Years

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- Definition

Defined Benefit Plan, Expected Future Benefit Payment, Due After Five Years

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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- Definition

Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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