XML 68 R57.htm IDEA: XBRL DOCUMENT v3.21.2
NOTES PAYABLE AND LONG-TERM DEBT (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Feb. 26, 2020
Debt Instrument [Line Items]            
Cash flow hedge, derivative instrument liabilities at fair value         $ 619,000  
Unrealized gain (loss) on interest rate swap $ 0 $ 39,000 $ 489,000 $ (580,000) 438,000  
Securities on deposit         957,000  
Collateral Pledged [Member]            
Debt Instrument [Line Items]            
Available-for-sale securities pledged as collateral         957,000  
Interest rate swap            
Debt Instrument [Line Items]            
Derivative, notional amount           $ 3,000,000
Derivative, fixed interest rate           4.93%
Cash flow hedge, liability at fair value         155,000  
Interest rate swap            
Debt Instrument [Line Items]            
Derivative, notional amount           $ 9,000,000
Derivative, fixed interest rate           5.28%
Cash flow hedge, liability at fair value         $ 464,000