Acquisitions (Details) (IdeaOne Telecom [Member], USD $)	Mar. 01, 2012
IdeaOne Telecom [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid	$ 4,337,000
Business Acquisition, Cost of Acquired Entity, Liabilities Incurred	22,000,000
Business Combination, Liabilities Assumed and Paid	1,843,000
Business Acquisition, Cost of Acquired Entity, Purchase Price, Total	$ 26,337,000