Condensed Consolidated Statement of Changes in Stockholders' Equity (Successor) (Unaudited) - 3 months ended Mar. 31, 2021 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2020	91,968,000
Balance at Dec. 31, 2020	$ 9	$ 581,426	$ (107,209)	$ 474,226
Exercise of warrants (in shares)	554,000
Exercise of warrants		5,466		$ 5,466
Shares issued upon options being exercised (in shares)	154,000			154,268
Shares issued upon options being exercised		1,574		$ 1,574
Compensation costs included in net income		966		966
Net income (loss)			4,744	4,744
Balance (in shares) at Mar. 31, 2021	92,676,000
Balance at Mar. 31, 2021	$ 9	$ 589,432	$ (102,465)	$ 486,976