Acquisition of TelWorx Communications LLC - Pro Forma Financial Information for TelWorx (Detail) (TelWorx Communications LLC [Member], Pro Forma [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
TelWorx Communications LLC [Member] | Pro Forma [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
REVENUES	$ 70,335
LOSS BEFORE INCOME TAXES	$ 597