v3.21.2
DEBT AND CREDIT ARRANGEMENTS - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Aug. 04, 2020
Jul. 15, 2020
Jan. 04, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Debt Instrument                
Payments on note with affiliate           $ 0 $ 25,000,000  
Interest expense       $ 542,000 $ 1,010,000 1,851,000 2,788,000  
Squadron                
Debt Instrument                
Unused commitment fee percentage 0.50%              
Commitment fee       32,000   95,000    
Second Amended Loan Agreement | Squadron                
Debt Instrument                
Debt face amount $ 25,000,000              
Interest rate 10.00%              
Revolving Loan | Squadron | Affiliated Entity                
Debt Instrument                
Payments on note with affiliate     $ 5,000,000          
Note payable to Squadron                
Debt Instrument                
Interest expense       $ 14,000 $ 109,000 $ 42,000 $ 1,218,000  
Note payable to Squadron | Term Note A                
Debt Instrument                
Repayment of loan   $ 20,000,000            
Mortgage payable to affiliate                
Debt Instrument                
Interest rate       5.00%   5.00%    
Monthly interest and principal installments           $ 16,000    
Long-term debt       $ 1,078,000   1,078,000   $ 1,175,000
Current portion of long-term debt with affiliate       $ 136,000   $ 136,000   $ 131,000
Three month LIBOR | Second Amended Loan Agreement | Squadron                
Debt Instrument                
Debt instrument, basis spread on variable rate 8.61%