Hector Communications Corporation (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
Dec. 31, 2012
Equity Method Investments and Joint Ventures [Abstract]
Proceeds from Issuance of Debt	$ 3.3

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration