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ACCRUED EXPENSES
9 Months Ended
Sep. 30, 2019
ACCRUED EXPENSES [Abstract]  
ACCRUED EXPENSES
9. ACCRUED EXPENSES

Accrued expenses as of September 30, 2019 and December 31, 2018 consisted of the following (in thousands):

  
September 30, 2019
  
December 31, 2018
 
Salaries and related costs
 
$
21,089
  
$
21,726
 
Credit balances due to patients and payors
  
5,075
   
7,293
 
Group health insurance claims
  
2,996
   
3,124
 
Other
  
4,413
   
6,350
 
Total
 
$
33,573
  
$
38,493