UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net revenue	$ 198,692	$ 224,542	$ 634,608	$ 695,466
Cost of revenue (excluding depreciation expense)	131,516	161,957	433,538	504,485
Gross profit	67,176	62,585	201,070	190,981
Other operating expenses	38,325	42,729	125,169	123,006
Bad debt expense	6,600	7,727	19,987	19,598
General and administrative expenses	9,784	9,948	29,287	30,413
Restructuring, acquisition, integration, and other expenses, net	4,037	2,368	11,171	9,326
Change in fair value of equity linked liabilities	1,080	0	1,080	0
Depreciation and amortization expense	6,552	4,166	20,329	12,956
Interest expense	13,175	9,331	38,635	28,212
Loss on extinguishment of debt	0	0	13,453	0
(Gain) loss on dispositions	(33)	(3,015)	652	(3,954)
Loss from continuing operations, before income taxes	(12,344)	(10,669)	(58,693)	(28,576)
Income tax expense	60	421	1,397	593
Loss from continuing operations, net of income taxes	(12,404)	(11,090)	(60,090)	(29,169)
(Loss) income from discontinued operations, net of income taxes	(113)	(174)	(1,053)	134
Net loss	(12,517)	(11,264)	(61,143)	(29,035)
Accrued dividends on preferred stock	(2,394)	(2,138)	(6,911)	(6,192)
Deemed dividends on preferred stock	(175)	(173)	(525)	(518)
Loss attributable to common stockholders	$ (15,086)	$ (13,575)	$ (68,579)	$ (35,745)
Loss per common share:
Loss from continuing operations, basic and diluted (in dollars per share)	$ (0.12)	$ (0.12)	$ (0.55)	$ (0.42)
Loss from discontinued operations, basic and diluted (in dollars per share)	0.00	0.00	(0.01)	0.00
Loss per common share, basic and diluted (in dollars per share)	$ (0.12)	$ (0.12)	$ (0.56)	$ (0.42)
Weighted average common shares outstanding, basic and diluted (in shares)	127,488	114,826	122,519	85,701