Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2018
Income Statement [Abstract]
Revenues	$ 90,394	$ 67,683
Costs and expenses:
Direct operating (excludes depreciation and amortization shown below)	25,121	19,523
Selling, general and administrative	23,776	28,454
Provision for doubtful accounts	1,213	991
Restructuring expenses	87	0
Depreciation and amortization of property and equipment	27,722	12,412
Amortization of intangible assets	5,718	5,580
Total operating expenses	83,637	66,960
Income from operations	6,757	723
Interest income	73	57
Interest expense	(19,068)	(14,250)
Debt conversion expense and loss on extinguishment of notes payable	(5,415)	(4,504)
Debt conversion expense
Gain on termination of capital lease	2,535	0
Other (expense) income, net	31	(277)
Change in fair value of interest rate derivatives	142	157
Loss from operations before income taxes	(14,945)	(18,094)
Income tax expense	(252)	(401)
Net loss	(15,197)	(18,495)
Net loss attributable to noncontrolling interest	68	41
Net loss attributable to controlling interests	(15,129)	(18,454)
Preferred stock dividends	(356)	(356)
Net loss attributable to common stockholders	$ (15,485)	$ (18,810)
Net loss per Class A and Class B common stock attributable to common stockholders - basic and diluted:
Net loss attributable to common shareholders (in dollars per share)	$ (1.92)	$ (0.81)
Weighted average number of Class A and Class B common stock outstanding: basic and diluted	8,049,160	23,104,811