Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.19.2
Subsequent Events (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Apr. 02, 2019
Apr. 02, 2018
Subsequent Event [Line Items]        
Payments for repurchase of equity   $ 5,665    
Sumac Business        
Subsequent Event [Line Items]        
Ownership percentage       12.50%
Ownership percentage by noncontrolling owners   12.50%    
Sumac Business | Subsequent Event        
Subsequent Event [Line Items]        
Ownership percentage     12.50%  
Scenario, Forecast | Subsequent Event        
Subsequent Event [Line Items]        
Payments for repurchase of equity $ 4,204      
Scenario, Forecast | Sumac Business | Subsequent Event        
Subsequent Event [Line Items]        
Ownership percentage by noncontrolling owners 12.50%