Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Successor Company
Operating revenues	$ 249,213		$ 475,770
Segment earnings (losses)	22,520		14,476
Less:
Impairment, restructuring and other charges	(10,557)		(16,472)
Depreciation and amortization	(40,714)		(80,819)
Foreign currency transaction gains (losses), net	43,356		82,998
Interest expense and other, net	(18,825)		(36,819)
Loss from continuing operations before reorganization items and income tax provision	(4,220)		(36,636)
Capital expenditures	3,575		11,131	$ 69,203
Identifiable assets	2,846,858		2,846,858		$ 2,729,908
Successor Company | Nextel Brazil
Operating revenues	249,168		475,671
Segment earnings (losses)	32,256		36,016
Less:
Capital expenditures	3,575		11,131
Identifiable assets	2,258,356		2,258,356		1,989,753
Successor Company | Corporate and Eliminations
Operating revenues	45		99
Segment earnings (losses)	(9,736)		(21,540)
Less:
Capital expenditures	0		0
Identifiable assets	$ 588,502		$ 588,502		$ 740,155
Predecessor Company
Operating revenues		$ 320,303		683,711
Segment earnings (losses)		(94,870)		(113,216)
Less:
Impairment, restructuring and other charges		(29,496)		(36,792)
Depreciation and amortization		(73,709)		(153,878)
Foreign currency transaction gains (losses), net		14,560		(63,948)
Interest expense and other, net		(48,032)		(67,630)
Loss from continuing operations before reorganization items and income tax provision		(231,547)		(435,464)
Capital expenditures		54,285		69,203
Predecessor Company | Nextel Brazil
Operating revenues		320,255		683,611
Segment earnings (losses)		(78,757)		(75,234)
Less:
Capital expenditures		53,557		68,385
Predecessor Company | Corporate and Eliminations
Operating revenues		48		100
Segment earnings (losses)		(16,113)		(37,982)
Less:
Capital expenditures		$ 728		$ 818