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FAIR VALUE OF FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Valuation allowance $ 72 $ 46
Other Assets | Rabbi Trust | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash surrender value $ 6,777