XML 43 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule of Estimated Economic Lives | Depreciation is calculated based on the straight-line method over the Company’s estimated useful lives of the assets, as follows:
Buildings and building improvements, including facility infrastructure | 10-25 years
Machinery and equipment, software and hardware | 3-15 years

X
- Definition Tabular disclosure of the estimated useful lives used to caluculate depreciation of assets. + References No definition available. + Details
Name: | tsem_ScheduleOfEstimatedEconomicLivesTableTextBlock
Namespace Prefix: | tsem_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration