Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
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3 Months Ended |
4 Months Ended |
5 Months Ended |
9 Months Ended |
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Sep. 30, 2014 |
Apr. 23, 2015 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
| Summary Of Significant Accounting Policies [Line Items] |
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| Gain (loss) on disposition of property |
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$ 0
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| Provision for doubtful accounts |
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0
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| Current liabilities for uncertain income tax positions |
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$ 0
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| Federal corporate level tax rate |
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35.00%
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| Specified Period For Federal Corporate Tax |
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10 years
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| Principal amount of notes and other debt |
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$ 3,644,650,000
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| Consumer CLEC Business |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Provision for doubtful accounts |
$ 118,000
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$ 111,000
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$ 301,000
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| Unbilled receivables |
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$ 94,000
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| Distribution Systems |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Gain (loss) on disposition of property |
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0
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| Prices with Other Observable Inputs (Level 2) |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Notes and other debt, fair value |
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$ 3,320,000,000
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| Minimum |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Percentage of REIT taxable income distributed |
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90.00%
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| Real Estate Investments |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Tenant funded capital improvements |
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$ 41,100,000
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