Name:	seii_BankLoansDetailsLineItems
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Period Type:	duration

Interest related bank loans from discontinued operations.

No definition available.

Name:	seii_InterestRelatedBankLoansFromDiscontinuedOperations
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Revolving credit line.

No definition available.

Name:	seii_RevolvingCreditLine
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The average effective interest rate during the reporting period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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