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Accrued Expenses (Tables)
 12 Months Ended
Dec. 31, 2015
Accrued Expenses [Abstract]  
Summary of Accrued Expenses

Accrued expenses as of December 31, 2015 and 2014 consisted of the following (in thousands):

December 31, 2015
December 31, 2014
Salaries and related costs
$
9,414
 
$
15,400
 
Group health insurance claims
 
2,276
 
 
2,116
 
Credit balances and overpayments due to patients and payors
 
1,472
 
 
1,834
 
Other
 
3,434
 
 
3,489
 
Total
$
16,596
 
$
22,839