Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands		2 Months Ended	3 Months Ended						8 Months Ended	12 Months Ended
		Jun. 30, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenues		$ 128,748	$ 206,920	$ 200,240	$ 188,573	$ 174,675	$ 173,932	$ 173,634	$ 476,314	$ 770,408
Adjusted EBITDA									453,297	690,184
Interest expense									181,797	275,394
Depreciation and amortization									238,748	375,970
Transaction related costs									5,210	33,669
Stock-based compensation									1,934	4,846
Income tax expense									738	517
Net (loss) income		$ 8,301	$ (4,370)	$ (2,343)	$ (1,535)	$ 8,036	$ 7,166	$ 9,403	24,870	(212)
Capital expenditures	[1]								44,413	46,443
Leasing
Segment Reporting Information [Line Items]
Revenues									458,614	677,368
Adjusted EBITDA									449,340	659,198
Depreciation and amortization									236,177	344,083
Capital expenditures	[1]								44,413	15,437
Fiber Infrastructure
Segment Reporting Information [Line Items]
Revenues										70,568
Adjusted EBITDA										25,912
Depreciation and amortization										28,629
Capital expenditures	[1]									31,006
Consumer CLEC
Segment Reporting Information [Line Items]
Revenues									17,700	22,472
Adjusted EBITDA									3,957	5,074
Depreciation and amortization									$ 2,571	$ 3,258

[1] Segment capital expenditures represents acquisition of ground lease investments and other capital expenditures as reported in the investing activities section of the Statement of Cash Flows.