XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.21.1

REVENUE - Nature of Goods and Services (Details) $ in Thousands | Mar. 31, 2021 USD ($) country | Dec. 31, 2020 USD ($)
--- | --- | ---
REVENUE |  |
Worldwide support organization maintained in number of countries | country | 10 |
Deferred revenue | $ | $ 8,340 | $ 8,671

X
- Definition Deferred Service Revenue + References No definition available. + Details
Name: | aeis_DeferredServiceRevenue
Namespace Prefix: | aeis_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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