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COVID-19 PANDEMIC AND CARES ACT (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Intallment
Dec. 31, 2019
USD ($)
COVID-19 [Abstract]    
Number of installments used to allocated funds to schools | Intallment 2  
Total amount expected to be received under CARES Act $ 27,400  
Emergency grants received in first installment under CARES Act 13,700  
Emergency grants distributed to students under CARES Act 12,600  
Emergency grants excepted to be distributed under the CARES Act 1,073 $ 0
Emergency grants received in second installment under CARES Act 13,700  
Utilized amount of permitted expenses 3,300  
Deferred payments under CARES Act $ 3,000