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CREDIT FACILITY AND ACQUISITION DEBT (Long-term Debt Table) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Debt Instrument [Line Items]          
Accumulated Amortization, Debt Issuance Costs     $ 700,000   $ 337,000
Current maturities on long-term debt     (1,162,000)   (1,306,000)
Long-term debt, excluding current maturities     4,957,000   5,658,000
Revolving credit facility present accordion provisions     75,000,000.0    
Credit Facility amortization of debt issuance costs     592,000 $ 289,000  
Credit Agreement 2018 [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Carrying value of the liability component         83,800,000
Credit Facility amortization of debt issuance costs $ 118,000 $ 59,000 363,000 $ 167,000  
Credit Agreement [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Debt issuance costs         (1,618,000)
Credit Agreement [Member] | Term Loan [Member]          
Debt Instrument [Line Items]          
Carrying value of the liability component     54,745,000   82,182,000
Notes Payable, Other Payables [Member] | Acquisition Debt, Deferred Purchase Price [Member]          
Debt Instrument [Line Items]          
Carrying value of the liability component     6,119,000   $ 6,964,000
Revolving Credit Facility [Member] | Credit Agreement [Member]          
Debt Instrument [Line Items]          
Debt issuance costs     $ (1,255,000)