Income Taxes - Provision for income taxes charged to operations (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 12, 2018	Dec. 31, 2019	Dec. 31, 2017
Provision for income taxes charged to operations
Current tax expense	$ 2	$ 39	$ 126	$ (12)
Deferred tax expense				(9,609)
Provision (benefit) for income taxes	$ 2	$ 39	$ 126	$ (9,621)