SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of Error Corrections and Prior Period Adjustments

The adjustments to the Company’s annual and quarterly previously issued consolidated statements of operations and comprehensive loss and consolidated balance sheets are as follows (in thousands):

	For the quarter ended March 31, 2017
	As reported			Adjustments			As revised
Depreciation and amortization - QTD	$	17,745		$	(184	)	$	17,561
Depreciation and amortization - YTD	17,745			(184		)	17,561
Net loss attributable to shareholders - QTD	(8,230		)	184			(8,046		)
Net loss attributable to shareholders - YTD	(8,230		)	184			(8,046		)
Property and equipment, net	291,583			689			292,272
Total assets	415,108			689			415,797
Accumulated deficit	(1,286,579		)	689			(1,285,890		)
Total stockholders' equity (deficit)	$	29,302		$	689		$	29,991

	For the quarter ended June 30, 2017
	As reported			Adjustments			As revised
Depreciation and amortization - QTD	$	18,934		$	(179	)	$	18,755
Depreciation and amortization - YTD	36,679			(363		)	36,316
Interest expense - QTD	17,145			(210		)	16,935
Interest expense - YTD	25,282			(210		)	25,072
Net loss attributable to shareholders - QTD	(19,283		)	389			(18,894		)
Net loss attributable to shareholders - YTD	(27,513		)	573			(26,940		)
Property and equipment, net	427,873			868			428,741
Total assets	561,068			868			561,936
Term loan, less discount and issuance costs	288,254			(210		)	288,044
Total liabilities	550,561			(210		)	550,351
Accumulated deficit	(1,305,894		)	1,078			(1,304,816		)
Total stockholders' equity (deficit)	$	10,507		$	1,078		$	11,585

	For the quarter ended September 30, 2017
	As reported			Adjustments			As revised
Depreciation and amortization - QTD	$	20,917		$	(597	)	$	20,320
Depreciation and amortization - YTD	57,596			(960		)	56,636
Interest expense - QTD	12,299			349			12,648
Interest expense - YTD	37,581			139			37,720
Net loss attributable to shareholders - QTD	(10,895		)	248			(10,647		)
Net loss attributable to shareholders - YTD	(38,409		)	822			(37,587		)
Prepaid expenses and other assets	9,036			579			9,615
Property and equipment, net	441,239			1,465			442,704
Total assets	567,432			2,044			569,476
Accounts payable	16,732			579			17,311
Capital lease obligations - current	11,729			(1,445		)	10,284
Capital lease obligations - noncurrent	206,927			1,794			208,721
Term loan, less discount and issuance costs	288,034			(210		)	287,824
Total liabilities	562,822			928			563,750
Accumulated deficit	(1,316,788		)	1,326			(1,315,462		)
Total stockholders' equity (deficit)	$	4,610		$	1,326		$	5,936

	For the quarter ended December 31, 2017
	As reported			Adjustments			As revised
Depreciation and amortization - QTD	$	17,397		$	(604	)	$	16,793
Depreciation and amortization - YTD	74,993			(1,564		)	73,429
Interest expense - QTD	12,895			318			13,213
Interest expense - YTD	50,476			457			50,933
Net loss attributable to shareholders - QTD	(6,934		)	285			(6,649		)
Net loss attributable to shareholders - YTD	(45,343		)	1,107			(44,236		)
Cash and cash equivalents	14,603			(562		)	14,041
Accounts receivable, net	17,794			562			18,356
Property and equipment, net	458,565			2,069			460,634
Total assets	586,525			2,069			588,594
Accrued liabilities	15,908			318			16,226
Capital lease obligations - current	11,711			(1,445		)	10,266
Capital lease obligations - noncurrent	223,749			1,794			225,543
Term loan, less discount and issuance costs	287,845			(210		)	287,635
Total liabilities	587,557			457			588,014
Accumulated deficit	(1,323,723		)	1,612			(1,322,111		)
Total stockholders' (deficit) equity	$	(1,032	)	$	1,612		$	580

	For the quarter ended March 31, 2018
	As reported			Adjustments			As revised
Net revenues - QTD	$	74,201		$	(379	)	$	73,822
Net revenues - YTD	74,201			(379		)	73,822
Cost of sales and services, exclusive of depreciation and amortization - QTD	24,607			170			24,777
Cost of sales and services, exclusive of depreciation and amortization - YTD	24,607			170			24,777
Sales, general and administrative - QTD	19,854			(53		)	19,801
Sales, general and administrative - YTD	19,854			(53		)	19,801
Depreciation and amortization - QTD	21,158			(635		)	20,523
Depreciation and amortization - YTD	21,158			(635		)	20,523
Interest expense - QTD	15,604			(471		)	15,133
Interest expense - YTD	15,604			(471		)	15,133
Net loss attributable to shareholders - QTD	(14,288		)	610			(13,678		)
Net loss attributable to shareholders - YTD	(14,288		)	610			(13,678		)
Accounts receivable, net	17,524			(379		)	17,145
Contract assets - current	7,131			366			7,497
Property and equipment, net	471,752			4,687			476,439
Goodwill	118,077			(980		)	117,097
Contract assets - noncurrent	12,056			70			12,126
Total assets	742,358			3,764			746,122
Accrued liabilities	14,279			(83		)	14,196
Deferred revenues - current	5,871			660			6,531
Capital lease obligations - current	10,095			(67		)	10,028
Other long-term liabilities	3,046			801			3,847
Capital lease obligations - noncurrent	234,199			2,298			236,497
Total liabilities	733,748			3,609			737,357
Accumulated deficit	(1,313,826		)	3,217			(1,310,609		)
Total stockholders' (deficit) equity	$	8,594		$	3,217		$	11,811

	For the quarter ended June 30, 2018
	As reported			Adjustments			As revised
Net revenues - QTD	$	81,962		$	291		$	82,253
Net revenues - YTD	156,163			(88		)	156,075
Cost of sales and services, exclusive of depreciation and amortization - QTD	27,331			307			27,638
Cost of sales and services, exclusive of depreciation and amortization - YTD	51,938			477			52,415
Sales, general and administrative - QTD	19,602			(11		)	19,591
Sales, general and administrative - YTD	39,456			(64		)	39,392
Depreciation and amortization - QTD	22,712			(533		)	22,179
Depreciation and amortization - YTD	43,870			(1,168		)	42,702
Interest expense - QTD	16,739			51			16,790
Interest expense - YTD	32,343			(420		)	31,923
Net loss attributable to shareholders - QTD	(14,279		)	477			(13,802		)
Net loss attributable to shareholders - YTD	(28,567		)	1,087			(27,480		)
Accounts receivable, net	20,251			(88		)	20,163
Property and equipment, net	463,273			5,155			468,428
Goodwill	735,022			5,067			740,089
Total assets	17,059			(166		)	16,893
Capital lease obligations - current	10,246			9			10,255
Capital lease obligations - noncurrent	231,576			2,420			233,996
Total liabilities	740,583			2,263			742,846
Additional paid-in-capital	1,329,368			(102		)	1,329,266
Accumulated deficit	(1,329,086		)	2,699			(1,326,387		)
Total stockholders' (deficit) equity	$	(5,605	)	$	2,597		$	(3,008	)

	For the quarter ended September 30, 2018
	As reported			Adjustments			As revised
Net revenues - QTD	$	82,972		$	(44	)	$	82,928
Net revenues - YTD	239,135			(132		)	239,003
Cost of sales and services, exclusive of depreciation and amortization - QTD	28,221			(9		)	28,212
Cost of sales and services, exclusive of depreciation and amortization - YTD	80,160			468			80,628
Sales, general and administrative - QTD	18,170			(185		)	17,985
Sales, general and administrative - YTD	57,625			(249		)	57,376
Depreciation and amortization - QTD	23,553			(544		)	23,009
Depreciation and amortization - YTD	67,422			(1,712		)	65,710
Interest expense - QTD	17,794			55			17,849
Interest expense - YTD	50,138			(365		)	49,773
Net loss attributable to shareholders - QTD	(15,479		)	639			(14,840		)
Net loss attributable to shareholders - YTD	(44,046		)	1,726			(42,320		)
Accounts receivable, net	22,999			(132		)	22,867
Property and equipment, net	487,616			5,699			493,315
Total assets	756,231			5,567			761,798
Accrued liabilities	17,866			(249		)	17,617
Capital lease obligations - current	9,399			86			9,485
Capital lease obligations - noncurrent	263,676			2,391			266,067
Total liabilities	776,154			2,228			778,382
Accumulated deficit	(1,344,566		)	3,338			(1,341,228		)
Total stockholders' (deficit) equity	$	(19,923	)	$	3,338		$	(16,585	)

	For the quarter ended December 31, 2018
	As reported			Adjustments			As revised
Net revenues - QTD	$	78,238		$	(1,083	)	$	77,155
Net revenues - YTD	317,373			(1,215		)	316,158
Cost of sales and services, exclusive of depreciation and amortization - QTD	27,102			(80		)	27,022
Cost of sales and services, exclusive of depreciation and amortization - YTD	107,262			387			107,649
Sales, general and administrative - QTD	17,731			(83		)	17,648
Sales, general and administrative - YTD	75,356			(333		)	75,023
Depreciation and amortization - QTD	23,254			(544		)	22,710
Depreciation and amortization - YTD	90,676			(2,260		)	88,416
Interest expense - QTD	17,994			55			18,049
Interest expense - YTD	68,132			(309		)	67,823
Net loss attributable to shareholders - QTD	(18,454		)	(426		)	(18,880		)
Net loss attributable to shareholders - YTD	(62,500		)	1,300			(61,200		)
Accounts receivable, net	20,054			(431		)	19,623
Property and equipment, net	478,061			6,245			484,306
Total assets	744,931			5,814			750,745
Accrued liabilities	15,540			(333		)	15,207
Deferred revenues - current	8,022			440			8,462
Capital lease obligations - current	9,080			91			9,171
Deferred revenues - noncurrent	511			345			856
Capital lease obligations - noncurrent	262,382			2,359			264,741
Total liabilities	744,874			2,902			747,776
Accumulated deficit	(1,363,019		)	2,912			(1,360,107		)
Total stockholders' (deficit) equity	$	57		$	2,912		$	2,969

	For the quarter ended March 31, 2019
	As reported			Adjustments			As revised
Net revenues - QTD	$	73,564		$	309		$	73,873
Net revenues - YTD	73,564			309			73,873
Cost of sales and services, exclusive of depreciation and amortization - QTD	25,733			(84		)	25,649
Cost of sales and services, exclusive of depreciation and amortization - YTD	25,733			(84		)	25,649
Sales, general and administrative - QTD	17,521			704			18,225
Sales, general and administrative - YTD	17,521			704			18,225
Depreciation and amortization - QTD	22,178			(2		)	22,176
Depreciation and amortization - YTD	22,178			(2		)	22,176
Interest expense - QTD	17,447			54			17,501
Interest expense - YTD	17,447			54			17,501
Net loss attributable to shareholders - QTD	(19,644		)	(363		)	(20,007		)
Net loss attributable to shareholders - YTD	(19,644		)	(363		)	(20,007		)
Property and equipment, net	229,185			4,206			233,391
Finance lease right-of-use assets	236,077			2,042			238,119
Total assets	748,342			6,248			754,590
Deferred revenues - current	7,881			439			8,320
Short-term finance lease liabilities	8,328			93			8,421
Deferred revenues - noncurrent	341			467			808
Finance lease liabilities	262,632			2,327			264,959
Total liabilities	768,314			3,326			771,640
Additional paid-in-capital	1,369,815			371			1,370,186
Accumulated deficit	(1,382,715		)	2,549			(1,380,166		)
Total stockholders' (deficit) equity	$	(19,972	)	$	2,549		$	(17,423	)

	For the quarter ended June 30, 2019
	As reported			Adjustments			As revised
Net revenues - QTD	$	73,134		$	(112	)	$	73,022
Net revenues - YTD	146,698			(30		)	146,668
Cost of sales and services, exclusive of depreciation and amortization - QTD	25,949			96			26,045
Cost of sales and services, exclusive of depreciation and amortization - YTD	51,682			12			51,694
Sales, general and administrative - QTD	15,683			(371		)	15,312
Sales, general and administrative - YTD	33,204			—			33,204
Depreciation and amortization - QTD	21,955			(450		)	21,505
Depreciation and amortization - YTD	44,133			(812		)	43,321
Interest expense - QTD	19,218			40			19,258
Interest expense - YTD	36,665			94			36,759
Net loss attributable to shareholders - QTD	(18,555		)	573			(17,982		)
Net loss attributable to shareholders - YTD	(38,199		)	210			(37,989		)
Accounts receivable, net	18,563			(704		)	17,859
Property and equipment, net	223,497			4,713			228,210
Finance lease right-of-use assets	229,228			1,895			231,123
Total assets	740,796			5,904			746,700
Deferred revenues - current	7,917			(71		)	7,846
Short-term finance lease liabilities	5,930			181			6,111
Deferred revenues - noncurrent	312			384			696
Finance lease liabilities	262,476			2,289			264,765
Total liabilities	778,329			2,783			781,112
Accumulated deficit	(1,401,270		)	3,122			(1,398,148		)
Total stockholders' (deficit) equity	$	(37,533	)	$	3,122		$	(34,411	)

	For the quarter ended September 30, 2019
	As reported			Adjustments			As revised
Net revenues - QTD	$	72,878		$	82		$	72,960
Net revenues - YTD	219,576			52			219,628
Cost of sales and services, exclusive of depreciation and amortization - QTD	27,504			45			27,549
Cost of sales and services, exclusive of depreciation and amortization - YTD	79,186			57			79,243
Depreciation and amortization - QTD	21,582			(583		)	20,999
Depreciation and amortization - YTD	65,715			(1,395		)	64,320
Exit activities, restructuring and impairments - QTD	3,792			1,126			4,918
Exit activities, restructuring and impairments - YTD	5,439			1,126			6,565
Interest expense - QTD	19,913			(293		)	19,620
Interest expense - YTD	56,578			(199		)	56,379
Net loss attributable to shareholders - QTD	(23,870		)	(213		)	(24,083		)
Net loss attributable to shareholders - YTD	(62,069		)	(3		)	(62,072		)
Accounts receivable, net	17,948			(704		)	17,244
Property and equipment, net	216,548			4,097			220,645
Finance lease right-of-use assets	226,619			(196		)	226,423
Total assets	724,701			3,197			727,898
Deferred revenues - current	7,493			(71		)	7,422
Short-term finance lease liabilities	5,867			12			5,879
Deferred revenues - noncurrent	259			302			561
Finance lease liabilities	264,223			42			264,265
Total liabilities	784,913			285			785,198
Accumulated deficit	(1,425,140		)	2,909			(1,422,231		)
Total stockholders' (deficit) equity	$	(60,212	)	$	2,909		$	(57,303	)

The adjustments to the Company’s previously issued consolidated statements of cash flows are as follows (in thousands):

	Three Months Ended March 31, 2017
	As reported			Adjustments			As revised
Net loss	$	(8,230	)	$	184		$	(8,046	)
Depreciation and amortization	$	17,745		$	(184	)	$	17,561

	Six Months Ended June 30, 2017
	As reported			Adjustments			As revised
Net loss	$	(27,513	)	$	573		$	(26,940	)
Depreciation and amortization	36,679			(363		)	36,316
Amortization of debt discount and issuance costs	$	1,292		$	(210	)	$	1,082

	Nine Months Ended September 30, 2017
	As reported			Adjustments			As revised
Net loss	$	(38,377	)	$	821		$	(37,556	)
Depreciation and amortization	57,596			(960		)	56,636
Amortization of debt discount and issuance costs	1,890			(210		)	1,680
Non-cash change in finance lease liabilities	564			349			913
Prepaid expenses, deposits and other assets	1,979			(579		)	1,400
Accounts payable	$	(2,168	)	$	579		$	(1,589	)

	Year Ended December 31, 2017
	As reported			Adjustments			As revised
Net loss	$	(45,273	)	$	1,107		$	(44,166	)
Depreciation and amortization	74,993			(1,564		)	73,429
Amortization of debt discount and issuance costs	2,519			(210		)	2,309
Non-cash change in finance lease liabilities	520			667			1,187
Accounts receivable	(207		)	(562		)	(769		)
Net cash provided by operating activities	41,966			(562		)	41,404
Net (decrease) increase in cash and cash equivalents	4,214			(562		)	3,652
Cash and cash equivalents at end of period	$	14,603		$	(562	)	$	14,041

	Three Months Ended March 31, 2018
	As reported			Adjustments			As revised
Net loss	$	(14,261	)	$	610		$	(13,651	)
Depreciation and amortization	21,158			(635		)	20,523
Amortization of debt discount and issuance costs	638			420			1,058
Non-cash change in finance lease liabilities	(213		)	(1,212		)	(1,425		)
Accounts receivable	864			379			1,243
Prepaid expenses, deposits and other assets	(467		)	(544		)	(1,011		)
Accrued and other liabilities	(2,904		)	83			(2,821		)
Deferred revenues	(138		)	1,461			1,323
Net cash provided by operating activities	3,573			562			4,135
Net (decrease) increase in cash and cash equivalents	1,556			562			2,118
Cash and cash equivalents at beginning of period	$	14,603		$	(562	)	$	14,041

	Six Months Ended June 30, 2018
	As reported			Adjustments			As revised
Net loss	$	(28,517	)	$	1,087		$	(27,430	)
Depreciation and amortization	43,870			(1,168		)	42,702
Amortization of debt discount and issuance costs	1,712			420			2,132
Stock-based compensation expense, net of capitalized amount	2,232			96			2,328
Non-cash change in finance lease liabilities	(371		)	(820		)	(1,191		)
Accounts receivable	(2,165		)	88			(2,077		)
Prepaid expenses, deposits and other assets	(4,073		)	(436		)	(4,509		)
Accrued and other liabilities	(585		)	(166		)	(751		)
Deferred revenues	1,249			1,461			2,710
Net cash provided by operating activities	14,935			562			15,497
Net (decrease) increase in cash and cash equivalents	136			562			698
Cash and cash equivalents at beginning of period	$	14,603		$	(562	)	$	14,041

	Nine Months Ended September 30, 2018
	As reported			Adjustments			As revised
Net loss	$	(43,971	)	$	1,726		$	(42,245	)
Depreciation and amortization	67,422			(1,712		)	65,710
Amortization of debt discount and issuance costs	2,798			420			3,218
Stock-based compensation expense, net of capitalized amount	3,573			96			3,669
Non-cash change in finance lease liabilities	(241		)	(774		)	(1,015		)
Accounts receivable	(4,990		)	132			(4,858		)
Prepaid expenses, deposits and other assets	(3,531		)	(436		)	(3,967		)
Accrued and other liabilities	(601		)	(351		)	(952		)
Deferred revenues	617			1,461			2,078
Net cash provided by operating activities	24,381			562			24,943
Net (decrease) increase in cash and cash equivalents	(2,759		)	562			(2,197		)
Cash and cash equivalents at beginning of period	$	14,603		$	(562	)	$	14,041

	Year Ended December 31, 2018
	As reported			Adjustments			As revised
Net loss	$	(62,375	)	$	1,300		$	(61,075	)
Depreciation and amortization	90,676			(2,260		)	88,416
Amortization of debt discount and issuance costs	3,874			210			4,084
Non-cash change in finance lease liabilities	2,640			(133		)	2,507
Accounts receivable	(1,352		)	993			(359		)
Accrued and other liabilities	(1,583		)	(333		)	(1,916		)
Deferred revenues	435			785			1,220
Net cash provided by operating activities	34,779			562			35,341
Net (decrease) increase in cash and cash equivalents	3,220			562			3,782
Cash and cash equivalents at beginning of period	$	14,603		$	(562	)	$	14,041

	Three Months Ended March 31, 2019
	As reported			Adjustments			As revised
Net loss	$	(19,622	)	$	(363	)	$	(19,985	)
Depreciation and amortization	22,178			(2		)	22,176
Stock-based compensation expense, net of capitalized amount	890			(371		)	519
Non-cash change in finance lease liabilities	148			(276		)	(128		)
Accounts receivable	(1,617		)	431			(1,186		)
Accrued and other liabilities	(2,238		)	(325		)	(2,563		)
Deferred revenues	$	(262	)	$	906		$	644

	Six Months Ended June 30, 2019
	As reported			Adjustments			As revised
Net loss	$	(38,157	)	$	210		$	(37,947	)
Depreciation and amortization	44,133			(812		)	43,321
Stock-based compensation expense, net of capitalized amount	1,901			(371		)	1,530
Non-cash change in finance lease liabilities	3,520			(150		)	3,370
Accounts receivable	1,210			1,135			2,345
Accrued and other liabilities	(3,146		)	(325		)	(3,471		)
Deferred revenues	$	(323	)	$	313		$	(10	)

	Nine Months Ended September 30, 2019
	As reported			Adjustments			As revised
Net loss	$	(62,006	)	$	(3	)	$	(62,009	)
Depreciation and amortization	65,715			(1,395		)	64,320
Non-cash change in finance lease liabilities	4,863			(357		)	4,506
Accounts receivable	1,593			1,135			2,728
Accrued and other liabilities	(5,378		)	(325		)	(5,703		)
Deferred revenues	$	(804	)	$	231		$	(573	)

Contract with Customer, Asset and Liability

The Company includes only those incremental costs that would not have been incurred if the contracts had not been entered into as follows (in thousands):

	Current			Non-current
Balance at December 31, 2018	$	8,844		$	16,104
Deferred customer acquisition costs incurred in the period	1,790			7,027
Amounts recognized as expense in the period	(9,899		)	—
Transition between short-term and long-term	8,304			(8,304		)
Balance at December 31, 2019	$	9,039		$	14,827

Significant changes in the deferred revenues balance (current and non-current) during the period are as follows (in thousands):

Balance at December 31, 2018	$	9,318
Revenue recognized that was included in the deferred revenue balance at December 31, 2018	(6,325		)
Increases due to cash received, excluding amounts recognized as revenue during the period	4,215
Balance at December 31, 2019	$	7,208

Schedule of basic and diluted net loss per share

Basic and diluted net loss per share is calculated as follows (in thousands, except per share amounts): 

	Year Ended December 31,
	2019			2018			2017
Net loss attributable to shareholders	$	(138,250	)	$	(61,200	)	$	(44,236	)
Weighted average shares outstanding, basic and diluted	23,790			20,732			18,993
Net loss per share, basic and diluted	$	(5.81	)	$	(2.95	)	$	(2.33	)