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Short-Term and Long-Term Debt - Financial Covenants (Details)	Sep. 30, 2018
Debt Instrument [Line Items]
Actual Ratio of Indebtedness to Total Capitalization	0.42
Maximum [Member]
Debt Instrument [Line Items]
Required Ratio of Indebtedness to Total Capitalization	0.65

X

- Definition

Actual indebtedness to total capital ratio required to be maintained by most restrictive financial covenant.

+ References

No definition available.

+ Details

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X

- Definition

Indebtedness to total capital ratio required to be maintained by most restrictive financial covenant.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Details

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