XML 63 R56.htm IDEA: XBRL DOCUMENT
v3.26.1

Income Taxes - Schedule of Tax Incentives (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2026 | Jun. 30, 2025
Income Taxes [Line Items] |  |
Total tax incentives | $ 2,754 | $ 2,974
Thailand [Member] |  |
Income Taxes [Line Items] |  |
Total tax incentives | 2,050 | 2,115
China [Member] |  |
Income Taxes [Line Items] |  |
Total tax incentives | $ 704 | $ 859

X
- Definition Effective income tax ,tax incentives. + References No definition available. + Details
Name: | bhe_EffectiveIncomeTaxTaxIncentives
Namespace Prefix: | bhe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Income taxes line items. + References No definition available. + Details
Name: | bhe_IncomeTaxesLineItems
Namespace Prefix: | bhe_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_TH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |