Commitments and Contingencies (Details) - USD ($)		6 Months Ended
	Jul. 23, 2015	Jun. 30, 2016
Accounts Payable and Accrued Expenses
Commitments and Contingencies
Accrued Litigation Liability		$ 2,800,000
Construction Contracts
Commitments and Contingencies
Open commitments		60,800,000
Telecommunications Capacity
Commitments and Contingencies
Open commitments		10,900,000
Pending Litigation
Commitments and Contingencies
Estimated Loss Contingency, Minimum		0
Estimated Loss Contingency, Maximum		3,000,000
Pending Litigation | Damages Related To Services Rendered
Commitments and Contingencies
Loss Contingency, Damages Sought	$ 802,564
Pending Litigation | Damages For Loss Of Revenue And Other Costs
Commitments and Contingencies
Loss Contingency, Damages Sought	$ 70,080,000
Commonwealth Of Virginia | Minimum
Commitments and Contingencies
Estimated sales and use tax liability		0
Commonwealth Of Virginia | Maximum
Commitments and Contingencies
Potential sales and use tax liability, if certain thresholds are not met		7,500,000
Estimated sales and use tax liability		$ 2,200,000