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Long-Term Debt and Lines of Credit - Schedule of Lines of Credit (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Sep. 30, 2019
Sep. 30, 2014
Line Of Credit Facility [Line Items]      
Deferred Financing Costs, Net $ 1,195 $ 1,369  
RLOC      
Line Of Credit Facility [Line Items]      
Deferred Financing Costs, Net 1,089,000 1,066,000 $ 339,000
Line of Credit      
Line Of Credit Facility [Line Items]      
Principal 64,380    
Deferred Financing Costs, Net 145 8  
Line of Credit | RLOC      
Line Of Credit Facility [Line Items]      
Principal 20,000    
Deferred Financing Costs, Net 145 $ 8  
Line of Credit | WCLC      
Line Of Credit Facility [Line Items]      
Principal $ 44,380