Stockholders' Equity (Details Textuals 2) - 401(k) Plan - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2020	Sep. 18, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Contribution Benefit Plans Disclosures [Line Items]
Employer contribution rate			100.00%
Employer's matching contributions	$ 1.1	$ 4.4		$ 6.3	$ 6.2
Maximum
Defined Contribution Benefit Plans Disclosures [Line Items]
Employee contribution rate			6.00%