| **Capitalization (Tables)**   | 6 Months Ended                                                                                                                                                                                                                                                      |
|-------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
||
| **Capitalization [Abstract]** |                                                                                                                                                                                                                                                                |
| Schedule Of Capitalization    | ﻿\

						 

						 

Amount

Interest Rate

Maturity

﻿$25,000

3.64%

2032

﻿$6,000

3.89%

2037

﻿$15,000

3.90%

2038

﻿$10,000

4.18%

2047

﻿$22,000

4.22%

2049

﻿$22,000

4.24%

2050

﻿ |

| X                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - References
No definition available.
+ Details**Name:**us-gaap_CapitalizationLongtermDebtAndEquityAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Tabular disclosure of the capitalization of the entity comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (a)(5) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699
+ Details**Name:**us-gaap_ScheduleOfCapitalizationTextBlock**Namespace Prefix:**us-gaap_**Data Type:**nonnum:textBlockItemType**Balance Type:**na**Period Type:**duration |