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STOCKHOLDERS' EQUITY, Restricted Stock and Stock Options (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Aug. 07, 2020
Director
shares
Feb. 20, 2020
Mar. 31, 2021
USD ($)
Plan
$ / shares
shares
Mar. 31, 2020
USD ($)
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Jun. 16, 2020
shares
Stockholders' Equity Note Details [Abstract]            
Number of stock incentive plans | Plan     3      
Shares [Abstract]            
Outstanding, beginning balance (in shares)     81,000      
Granted (in shares)     0      
Vested (in shares)     0      
Canceled (in shares)     0      
Outstanding, ending balance (in shares)     81,000   81,000  
Vested (in shares)     81,000      
Exercisable, ending balance (in shares)     81,000      
Weighted Average Exercise Price Per Share [Abstract]            
Outstanding, beginning balance (in dollars per share) | $ / shares     $ 7.79      
Granted (in dollars per share) | $ / shares     0      
Vested (in dollars per share) | $ / shares     0      
Canceled (in dollars per share) | $ / shares     0      
Outstanding, ending balance (in dollars per share) | $ / shares     7.79   $ 7.79  
Vested or expected to vest (in dollars per share) | $ / shares     7.79      
Exercisable, ending balance (in dollars per share) | $ / shares     $ 7.79      
Weighted Average Remaining Contractual Term [Abstract]            
Outstanding     11 months 1 day   1 year 2 months 1 day  
Vested or expected to vest     11 months 1 day      
Exercisable     11 months 1 day      
Aggregate Intrinsic Value [Abstract]            
Outstanding, beginning balance | $     $ 0      
Granted | $     0      
Canceled | $     0      
Vested | $     0      
Outstanding, ending balance | $     0   $ 0  
Vested or expected to vest | $     0      
Exercisable, ending balance | $     $ 0      
Restricted Stock [Member]            
Stockholders' Equity Note Details [Abstract]            
Restricted shares granted to each director (in shares) 17,096          
Shares [Abstract]            
Nonvested restricted stock outstanding, beginning balance (in shares)     1,572,159      
Granted (in shares)     574,614      
Canceled (in shares)     0      
Vested (in shares)     (383,226)      
Nonvested restricted stock outstanding, ending balance (in shares)     1,763,547   1,572,159  
Weighted Average Grant Date Fair Value [Abstract]            
Nonvested restricted stock outstanding, beginning balance (in dollars per share) | $ / shares     $ 2.77      
Granted (in dollars per share) | $ / shares     5.83      
Canceled (in dollars per share) | $ / shares     0      
Vested (in dollars per share) | $ / shares     2.76      
Nonvested restricted stock outstanding, ending balance (in dollars per share) | $ / shares     $ 3.77   $ 2.77  
Recognized restricted stock expense | $     $ 500 $ 300    
Unrecognized restricted stock expense | $     6,600   $ 3,200  
Stock Options [Member]            
Aggregate Intrinsic Value [Abstract]            
Unrecognized pre-tax compensation expense | $     0      
2020 Plan [Member]            
Stockholders' Equity Note Details [Abstract]            
Number of shares available for issuance under incentive plan (in shares)           2,000,000
Performance-based restricted stock compensation expense | $     $ 100 100    
2020 Plan [Member] | June 16, 2020 [Member]            
Stockholders' Equity Note Details [Abstract]            
Stock option award issuance, plan duration     10 years      
2020 Plan [Member] | First Anniversary Date [Member]            
Stockholders' Equity Note Details [Abstract]            
Percentage of vesting of performance-based shares   20.00%        
2020 Plan [Member] | Second Anniversary Date [Member]            
Stockholders' Equity Note Details [Abstract]            
Percentage of vesting of performance-based shares   30.00%        
2020 Plan [Member] | Third Anniversary Date [Member]            
Stockholders' Equity Note Details [Abstract]            
Percentage of vesting of performance-based shares   50.00%        
LTIP Plan [Member]            
Stockholders' Equity Note Details [Abstract]            
Number of shares available for issuance under incentive plan (in shares)           2,000,000
LTIP Plan [Member] | February 28, 2019 [Member]            
Stockholders' Equity Note Details [Abstract]            
Vesting period of performance-based shares     3 years      
LTIP Plan [Member] | Restricted Stock [Member]            
Weighted Average Grant Date Fair Value [Abstract]            
Outstanding restricted shares, intrinsic value | $     $ 11,300      
LTIP Plan [Member] | Restricted Stock [Member] | February 28, 2019 [Member]            
Weighted Average Grant Date Fair Value [Abstract]            
Recognized restricted stock expense | $     $ 100 $ 100    
Non Employee Directors Plan [Member]            
Stockholders' Equity Note Details [Abstract]            
Number of directors appointed | Director 2          
Net share settlement for restricted stock (in shares)     154,973 58,451    
Decrease in equity due to payment of tax for employee | $     $ 1,000 $ 200    
Non Employee Directors Plan [Member] | Restricted Stock [Member]            
Stockholders' Equity Note Details [Abstract]            
Number of shares issued under incentive plan (in shares)     98,614      
Shares [Abstract]            
Vested (in shares) (12,762)