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Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Payables and Accruals [Abstract]    
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