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Commitments and Contingencies (Details) - USD ($)
6 Months Ended
Oct. 03, 2018
Apr. 03, 2018
Mar. 23, 2018
Jun. 30, 2019
May 31, 2019
Dec. 31, 2018
Commitments And Contingencies [Line Items]            
General amount of guarantee       2.00%    
Damages sought   $ 5,000,000 $ 5,000,000.0      
Standby Letters of Credit            
Commitments And Contingencies [Line Items]            
Amount outstanding       $ 300,000    
Preferred Bank            
Commitments And Contingencies [Line Items]            
Amount outstanding           $ 6,600,000
Standby Letters of Credit | APC            
Commitments And Contingencies [Line Items]            
Term of facility       1 year    
Alpha Care Medical Group, Inc. | Standby Letters of Credit | APC and APC-LSMA            
Commitments And Contingencies [Line Items]            
Term of facility 1 year          
Standby letters of credit assumed         $ 3,500,000