Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended	4 Months Ended	6 Months Ended	12 Months Ended
	Apr. 23, 2015	Jun. 30, 2015	Jun. 30, 2014	Apr. 23, 2015	Jun. 30, 2014	Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items]
Gain (loss) on disposition of property		$ 0
Provision for doubtful accounts		0
Current liabilities for uncertain income tax positions		$ 0
Federal corporate level tax rate		35.00%
Specified Period For Federal Corporate Tax		10 years
Notes and other debt		$ 3,508,685,000
Consumer CLEC Business
Summary Of Significant Accounting Policies [Line Items]
Provision for doubtful accounts	$ 28,000		$ 34,000	$ 111,000	$ 183,000
Unbilled receivables						$ 94,000
Distribution Systems
Summary Of Significant Accounting Policies [Line Items]
Gain (loss) on disposition of property						$ 0
Prices with Other Observable Inputs (Level 2)
Summary Of Significant Accounting Policies [Line Items]
Notes and other debt		3,650,000,000
Notes and other debt, fair value		$ 3,560,000,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Percentage of REIT taxable income distributed		90.00%
Real Estate Investments
Summary Of Significant Accounting Policies [Line Items]
Tenant funded capital improvements		$ 6,300,000