Hector Communications Corporation (Summary Of Financial Information Of HCC) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Hector Communications Corporation [Abstract]
Operating Revenues	$ 6,734,525	$ 7,009,738	$ 20,094,730	$ 20,313,870
Operating Income	1,171,484	1,617,257	3,679,295	4,150,419
Net Income	$ 655,118	$ 653,262	$ 2,133,220	$ 1,437,780