Condensed Consolidated Statements of Income (Loss) (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Total revenues	$ 268,180	$ 266,820	$ 540,766	$ 532,982
Costs and Expenses:
Interest expense	106,388	107,243	246,969	285,636
Depreciation and amortization	69,671	84,969	140,635	171,090
General and administrative expense	24,900	27,894	50,723	55,027
Operating expense (exclusive of depreciation and amortization)	33,185	40,167	71,269	80,477
Settlement expense		650,000		650,000
Transaction related and other costs	424	18,556	4,561	34,528
Gain on sale of real estate	(442)	(63,818)	(442)	(63,818)
Gain on sale of operations (Note 5)	(28,143)		(28,143)
Other expense, net	8,021	6,013	8,475	9,088
Total costs and expenses	214,004	871,024	494,047	1,222,028
Income (loss) before income taxes and equity in earnings from unconsolidated entities	54,176	(604,204)	46,719	(689,046)
Income tax expense (benefit)	5,084	(5,875)	2,527	(10,451)
Equity in (earnings) from unconsolidated entities	(547)		(945)
Net income (loss)	49,639	(598,329)	45,137	(678,595)
Net income (loss) attributable to noncontrolling interests	732	(10,585)	668	(11,998)
Net income (loss) attributable to shareholders	48,907	(587,744)	44,469	(666,597)
Participating securities' share in earnings	(333)	(424)	(581)	(624)
Dividends declared on convertible preferred stock	(2)	(1)	(5)	(4)
Net income (loss) attributable to common shareholders	$ 48,572	$ (588,169)	$ 43,883	$ (667,225)
Income (loss) per common share:
Basic	$ 0.21	$ (3.06)	$ 0.19	$ (3.47)
Diluted	$ 0.20	$ (3.06)	$ 0.19	$ (3.47)
Weighted-average number of common shares outstanding:
Basic	231,801	192,479	231,636	192,358
Diluted	262,268	192,479	231,862	192,358
Leasing
Revenues:
Total revenues	$ 196,057	$ 185,320	$ 390,993	$ 369,672
Costs and Expenses:
Depreciation and amortization	40,474	52,405	82,700	107,027
Fiber Infrastructure
Revenues:
Total revenues	72,123	79,140	149,773	156,547
Costs and Expenses:
Depreciation and amortization	$ 29,132	32,279	$ 57,802	62,340
Tower
Revenues:
Total revenues		2,392		6,112
Costs and Expenses:
Depreciation and amortization		14		783
Consumer CLEC
Revenues:
Total revenues		(32)		651
Costs and Expenses:
Depreciation and amortization		$ 197		$ 791