The following tables provide information for each operating segment (in thousands):


For the Three Months Ended June 30, 2017

	U.S.		International		Renewable		Corporate and
	Telecom		Telecom		Energy		Other (1)		Consolidated
Revenue
Wireless	$	34,505	$	19,955	$	—	$	—	$	54,460
Wireline		2,057		59,402		—		—		61,459
Renewable Energy		—		—		4,891		—		4,891
Equipment and Other		416		2,013		6		—		2,435
Total Revenue		36,978		81,370		4,897		—		123,245
Depreciation and amortization		6,246		13,134		1,830		1,044		22,254
Non-cash stock-based compensation		—		8		29		2,061		2,098
Operating income (loss)		13,147		10,805		846		(8,955)		15,843


For the Three Months Ended June 30, 2016

	U.S.		International		Renewable		Corporate and
	Telecom		Telecom		Energy		Other (1)		Consolidated
Revenue
Wireless	$	37,655	$	19,433	$	—	$	—	$	57,088
Wireline		5,811		28,165		—		—		33,976
Renewable Energy		—		—		5,562		—		5,562
Equipment and Other		480		2,765		120		—		3,365
Total Revenue		43,946		50,363		5,682		—		99,991
Depreciation and amortization		5,609		8,209		1,207		1,468		16,493
Non-cash stock-based compensation		—		—		28		1,877		1,905
Operating income (loss)		4,797		9,259		(3,618)		(8,526)		1,912


For the Six Months Ended June 30, 2017

	U.S.		International		Renewable		Corporate and
	Telecom		Telecom		Energy		Other (1)		Consolidated
Revenue
Wireless	$	71,668	$	39,022	$	—	$	—	$	110,690
Wireline		8,108		117,151		—		—		125,259
Renewable Energy		—		—		9,791		—		9,791
Equipment and Other		995		4,487		138		—		5,620
Total Revenue		80,771		160,660		9,929		—		251,360
Depreciation and amortization		12,797		26,250		3,284		2,416		44,747
Non-cash stock-based compensation		—		138		57		3,591		3,786
Operating income (loss)		28,533		20,771		2,287		(17,955)		33,636


For the Six Months Ended June 30, 2016

	U.S.		International		Renewable		Corporate and
	Telecom		Telecom		Energy		Other (1)		Consolidated
Revenue
Wireless	$	77,119	$	38,846	$	—	$	—	$	115,965
Wireline		11,857		44,564		—		—		56,421
Renewable Energy		—		—		11,151		—		11,151
Equipment and Other		1,169		4,850		120		—		6,139
Total Revenue		90,145		88,260		11,271		—		189,676
Depreciation and amortization		11,229		14,586		2,415		2,817		31,047
Non-cash stock-based compensation		—		—		57		3,576		3,633
Operating income (loss)		21,579		16,959		(3,555)		(17,179)		17,804

(1) Corporate and Other items refer to corporate overhead costs and consolidating adjustments

Selected balance sheet data for each of our segments as of June 30, 2017 and December 31, 2016 consists of the following (in thousands):



	U.S.		International		Renewable		Corporate and
	Telecom		Telecom		Energy		Other (1)		Consolidated
June 30, 2017
Cash, Cash equivalents, and Investments	$	14,353	$	98,684	$	18,679	$	107,679	$	239,395
Total current assets		43,730		152,351		27,209		121,045		344,335
Fixed assets, net		102,532		374,748		156,503		15,951		649,734
Goodwill		35,268		24,326		3,279		—		62,873
Total assets		205,968		602,990		201,785		190,733		1,201,476
Total current liabilities		44,733		76,896		15,134		15,128		151,891
Total debt		—		95,446		64,236		—		159,682
December 31, 2016
Cash, Cash equivalents, and Investments	$	22,235	$	97,681	$	27,378	$	131,664	$	278,958
Total current assets		50,983		143,201		37,440		135,745		367,369
Fixed assets, net		129,274		372,741		130,268		15,429		647,712
Goodwill		35,268		24,326		3,279		—		62,873
Total assets		240,006		597,454		190,253		170,505		1,198,218
Total current liabilities		23,162		95,502		12,603		18,838		150,105
Total debt		—		91,316		65,507		—		156,823

(1)

Corporate and Other items refer to corporate overhead costs and consolidating adjustments.