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INDEBTEDNESS (Schedule of Credit Agreement) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]      
Revolving credit facility   $ 37,000 $ 10,000
Less: deferred financing costs, net of accumulated amortization of $282 and $172   (454) (565)
Total borrowed   36,546 9,435
Line of Credit Facility, Remaining Borrowing Capacity   53,000 80,000
Accumulated Amortization, Deferred Finance Costs   $ 282 $ 172
Line of Credit Facility, Commitment Fee Percentage 0.30% 0.35%  
London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument [Line Items]      
Interest margin 1.75% 2.00%  
Actual interest rates   2.19% 3.56%