Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) $ in Millions			12 Months Ended
		Jul. 05, 2019	Dec. 31, 2020 USD ($)
Statement of Stockholders' Equity [Abstract]
Payment of deemed dividend due to beneficial conversion feature			$ 50.2
1-for-5 stock split ratio	[1]	0.20

[1] Includes shares purchased by the Company in lieu of issuing fractional shares in connection with a 1-for-5 reverse stock split effective on July 5, 2019.