Post-effective amendment to a registration statement that is not immediately effective upon filing

STOCKHOLDERS' EQUITY - 8.65% Cumulative Preferred Shares (Details)

v3.21.1
STOCKHOLDERS' EQUITY - 8.65% Cumulative Preferred Shares (Details) - Preferred stock
12 Months Ended
Dec. 22, 2020
USD ($)
$ / shares
Dec. 31, 2020
$ / shares
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Jul. 31, 2020
USD ($)
Oct. 31, 2019
USD ($)
Class of Stock [Line Items]            
Dividend rate   8.65%        
Recapitalization exchange ratio     74.0 74.0    
Share price | $ / shares   $ 1,000        
Liquidation preference per share | $ / shares   $ 1,000        
Accrued dividends     $ 34,633,000 $ 33,578,000    
Preference waived         $ 73,175,000 $ 150,248,000
Liquidation preference     $ 293,775,000 $ 409,390,000    
Outstanding principal amount $ 200,000,000          
Cumulative unpaid dividends 21,161,000          
Payments for settlement on consummation of the Merger $ 13,051,000          
Conversion price per share | $ / shares $ 10.00