2.2.0.7 false PARENTHETICAL DATA TO THE CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) 001010 - Statement - PARENTHETICAL DATA TO THE CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) true false In Thousands false false 1 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Income Statement [Abstract] 0 us-gaap_IncomeStatementAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Interest expense (net of AFUDC-debt: $5,926, $7,022, $10,864 and $12,168) 1 us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest us-gaap true debit duration No definition available. false false false false false false false false false false false label false 1 true true false false 5926000 5926 false false false 2 true true false false 7022000 7022 false false false 3 true true false false 10864000 10864 false false false 4 true true false false 12168000 12168 false false false xbrli:monetaryItemType monetary The component of the allowance for funds used during construction during the period comprised of interest on borrowed funds used in financing the construction of regulated assets, which may be reflected as a reduction of interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 71 -Paragraph 15 false 4 2 false Thousands UnKnown UnKnown false true