Commitments, Contingencies, and Concentrations (Tables)

12 Months Ended

Dec. 31, 2012

Commitments, Contingencies, and Concentrations [Abstract]

Capital expenditures incurred and reimbursements pending or received from the Broadband Technology Opportunities Program grant

	Project Activity
(Dollars in thousands)	2012		2011		Project Total
Capital expenditures incurred	$	7,081	$	12,664	$	19,745
NTIA reimbursements received	$	5,745	$	6,945	$	12,690
Capital expenditures pending reimbursement	$	1,100	$	1,920