Unaudited Condensed Consolidated Statement of Changes in Stockholders' Equity - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Total	Class A Voting Common Stock	Series A-1 Preferred Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2017		24,506,647	83,968
Beginning balance at Dec. 31, 2017	$ 215,346	$ 142,655		$ 174,871	$ (102,180)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Payment-in-kind dividends (in shares)			3,821
Issued pursuant to stock based compensation plan (in shares)		130,480
Issued pursuant to stock-based compensation plan	(601)			(601)
Stock-based compensation	199			199
Net loss	(35,428)				(35,428)
Ending balance at Jun. 30, 2018	$ 179,516	$ 142,655		$ 174,469	$ (137,608)
Ending balance (in shares) at Jun. 30, 2018		24,637,127	87,789

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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