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Accrued Expenses (Tables)
 12 Months Ended
Dec. 31, 2019
Accrued Expenses [Abstract]  
Accrued Expenses
Accrued expenses as of December 31, 2019 and 2018 consisted of the following (in thousands):

  
December 31, 2019
  
December 31, 2018
 
Salaries and related costs
 
$
19,340
  
$
21,726
 
Credit balances due to patients and payors
  
4,303
   
7,293
 
Group health insurance claims
  
2,277
   
3,124
 
Other
  
4,935
   
6,350
 
Total
 
$
30,855
  
$
38,493