Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Revenues	$ 264,414	$ 247,329	$ 525,445	$ 494,244
Adjusted EBITDA	206,864	197,011	407,139	393,712
Interest expense	97,729	79,385	182,187	156,992
Depreciation and amortization	102,578	114,842	206,405	229,563
Other (income) expense	(22,275)	3,349	(25,388)	(536)
Transaction related costs	7,035	3,789	13,704	9,702
Gain on sale of real estate	(28,790)		(28,790)
Stock-based compensation	3,197	1,885	5,085	4,095
Income tax expense (benefit)	7,843	(2,646)	11,897	(3,742)
Net income (loss)	39,547	(3,593)	42,039	(2,362)
Leasing
Segment Reporting Information [Line Items]
Revenues	177,042	173,885	353,125	346,659
Adjusted EBITDA	175,881	173,356	350,632	345,725
Depreciation and amortization	72,275	86,454	146,028	173,198
Gain on sale of real estate	(4,960)		(4,960)
Fiber Infrastructure
Segment Reporting Information [Line Items]
Revenues	81,327	67,389	158,160	134,356
Adjusted EBITDA	37,036	29,405	67,036	58,600
Depreciation and amortization	28,494	26,244	56,752	52,149
Towers
Segment Reporting Information [Line Items]
Revenues	3,146	2,472	8,226	5,842
Adjusted EBITDA	(42)	(1,167)	283	(1,630)
Depreciation and amortization	1,412	1,575	2,827	3,052
Gain on sale of real estate	(23,830)		(23,830)
Consumer CLEC
Segment Reporting Information [Line Items]
Revenues	2,899	3,583	5,934	7,387
Adjusted EBITDA	565	928	1,211	1,841
Depreciation and amortization	346	499	692	997
Corporate
Segment Reporting Information [Line Items]
Adjusted EBITDA	(6,576)	(5,511)	(12,023)	(10,824)
Depreciation and amortization	$ 51	$ 70	$ 106	$ 167