Property, Plant And Equipment (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation	$ 2,500,000	$ 4,200,000	$ 4,800,000
Impairment loss on fixed assets		8,883,000
Telephone [Member]
Property, Plant and Equipment [Line Items]
Impairment loss on fixed assets		$ 8,883,000
Percentage of assumed weighted average cost of capital		10.00%
Maximum [Member] | Telephone [Member]
Property, Plant and Equipment [Line Items]
Percentage of assumed long-term decline rate		7.00%
Minimum [Member] | Telephone [Member]
Property, Plant and Equipment [Line Items]
Percentage of assumed long-term decline rate		3.00%