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Credit Agreement (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jul. 12, 2017
Dec. 30, 2014
Debt Instrument            
Line of Credit Facility Contingent Increase to Maximum Borrowing Capacity           $ 10,000
Current portion of long-term debt         $ 3,000  
Debt Instrument, Percentage of Capital Stock Pledged as Collateral 65.00%          
Loss on extinguishment of debt   $ 0 $ 0 $ (543)    
Suntrust Bank | LIBOR            
Debt Instrument            
Debt Instrument, Basis Spread on Variable Rate   1.50%        
Suntrust Bank | Base Rate            
Debt Instrument            
Debt Instrument, Basis Spread on Variable Rate   0.50%        
Healthcare Financial Solutions            
Debt Instrument            
Outstanding debt paid       24,900    
Loss on extinguishment of debt       $ 500    
Term Loan            
Debt Instrument            
Line of Credit Facility, Maximum Borrowing Capacity           25,000
Term Loan | Beginning January 1, 2018            
Debt Instrument            
Debt Instrument, Periodic Payment, Principal   $ 500        
Term Loan | Beginning January 2, 2019            
Debt Instrument            
Debt Instrument, Periodic Payment, Principal   1,300        
Term Loan | Beginning January 1, 2020            
Debt Instrument            
Debt Instrument, Periodic Payment, Principal   3,800        
Term Loan | Beginning January 1, 2021            
Debt Instrument            
Debt Instrument, Periodic Payment, Principal   5,100        
Term Loan | Suntrust Bank            
Debt Instrument            
Loans Payable to Bank         205,000  
Long-term Debt, Gross   194,700        
Unamortized Deferred Financing Cost   $ 3,200        
Revolving Loan            
Debt Instrument            
Line of Credit Facility, Maximum Borrowing Capacity           $ 15,000
Revolving Loan | Suntrust Bank            
Debt Instrument            
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.20%        
Long-term Line of Credit         50,000  
LifeWatch            
Debt Instrument            
Current portion of long-term debt         $ 3,027  
Debt Instrument, Percentage of Capital Stock Pledged as Collateral 65.00%