Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Deficit	Total
Financial Designation, Predecessor and Successor [Fixed List]					Predecessor
Balance at Dec. 31, 2016	$ 90	$ (50)	$ 129,624	$ (153,988)	$ (24,324)
Balance (in shares) at Dec. 31, 2016	7,981,536
Increase (Decrease) in Stockholders' Equity
Issuance of common stock for settlement of restricted stock units	8,484
Stock-based compensation expense			51		51
Net loss				(180,895)	(180,895)
Balance at Dec. 31, 2017	$ 90	(50)	129,675	(334,883)	$ (205,168)
Balance (in shares) at Dec. 31, 2017	7,990,020
Financial Designation, Predecessor and Successor [Fixed List]					Predecessor
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense			31		$ 31
Net loss				(51,295)	(51,295)
Balance at Dec. 12, 2018	$ 90	(50)	129,706	(386,178)	(256,432)
Balance (in shares) at Dec. 12, 2018	7,990,020
Increase (Decrease) in Stockholders' Equity
Elimination of equity in connection with restructuring	$ (90)	$ 50	$ (129,706)	$ 386,178	$ 256,432
Elimination of equity in connection with restructuring (in shares)	(7,990,020)