Other Borrowings (Long-term Debt Instruments) (Details) (Trust Preferred Capital Securities, USD $)	Mar. 07, 2012
Trust Preferred Capital Securities
Debt Instrument [Line Items]
Preferred stock, call or exercise features	$ 5,000,000
Rate of trust preferred capital securities	10.60%
Prepayment obligation exercising call option	238,000
Unamortized debt issuance expense	$ 64,000

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