Basis of Presentation (Details) - Adjustments for New Accounting Principle [Member]	Mar. 31, 2015 USD ($)
Reclassification of Debt [Member]
Recently Adopted Accounting Standards [Abstract]
Unamortized debt issuance costs	$ 879,000
Reclassification to Current Portion [Member]
Recently Adopted Accounting Standards [Abstract]
Unamortized debt issuance costs	110,000
Reclassification to Noncurrent Portion [Member]
Recently Adopted Accounting Standards [Abstract]
Unamortized debt issuance costs	$ 769,000

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant