Deferred Charges And Credits (Schedule Of Regulatory Assets)(Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Regulatory Assets [Line Items]
Total deferred charges	$ 27,712,243	$ 25,205,690
Debt Issuance And Reacquisition Costs [Member]
Regulatory Assets [Line Items]
Total deferred charges	4,126,529	3,432,665
Refurbishment Of Transmission Equipment [Member]
Regulatory Assets [Line Items]
Total deferred charges	141,976	151,235
Feasibility Studies [Member]
Regulatory Assets [Line Items]
Total deferred charges	76,390	351,727
Beluga Gas Compression [Member]
Regulatory Assets [Line Items]
Total deferred charges	2,035,466	2,544,332
Cooper Lake Relicensing / Projects [Member]
Regulatory Assets [Line Items]
Total deferred charges	5,800,417	5,930,520
Fuel Supply Negotiations [Member]
Regulatory Assets [Line Items]
Total deferred charges	815,451	1,118,439
Major Overhaul Of Steam Generating Unit [Member]
Regulatory Assets [Line Items]
Total deferred charges	1,510,046	2,265,069
Other Regulatory Deferred Charges [Member]
Regulatory Assets [Line Items]
Total deferred charges	4,473,037	2,126,335
Bond Interest - Market Risk Management [Member]
Regulatory Assets [Line Items]
Total deferred charges	7,527,357	6,034,443
Environmental Matters And Other [Member]
Regulatory Assets [Line Items]
Total deferred charges	$ 1,205,574	$ 1,250,925