Annual report pursuant to Section 13 and 15(d)

Mandatory Redeemable Series B Preferred Stock (Details)

v3.20.4
Mandatory Redeemable Series B Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Sep. 28, 2020
Jun. 05, 2019
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]        
Warrants term   7 years    
Stock issued for payment of preferred stock (in shares)     900,000 700,000
Loss on redemption $ 4.7      
Mandatorily Redeemable Preferred Stock        
Class of Stock [Line Items]        
Warrant exercise price (in usd per share)     $ 1.62  
Value of warrants issued with preferred stock   $ 6.7    
Series B Preferred Stock        
Class of Stock [Line Items]        
Shares issued (in shares)   1,250,000    
Preferred stock stated value (in usd per share)   $ 20.00    
Aggregate purchase price, warrants   $ 25.0    
Amortization of discount     $ 1.1 $ 0.9
Loss on redemption $ 4.7      
Series B Preferred Stock | Mandatorily Redeemable Preferred Stock        
Class of Stock [Line Items]        
Warrant exercise price (in usd per share)   $ 7.41    
Preferred stock dividend rate (percentage)     8.00%