XML 26 R55.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Regulatory Assets and Liabilities (Schedule of Regulatory Assets) (Details) - USD ($)
Dec. 31, 2019
Sep. 30, 2019
Regulatory Assets [Line Items]    
Current regulatory assets $ 1,453,285 $ 1,521,939
Utility property in service, other 11,945 11,945
Noncurrent regulatory assets 11,807,353 12,178,853
Total regulatory assets 13,272,583 13,712,737
WNA    
Regulatory Assets [Line Items]    
Current regulatory assets 736,156 569,558
ESAC Assets    
Regulatory Assets [Line Items]    
Current regulatory assets 180,809 265,392
Noncurrent regulatory assets 416,676 756,803
Accrued pension and postretirement medical    
Regulatory Assets [Line Items]    
Current regulatory assets 452,005 602,674
Noncurrent regulatory assets 9,414,695 9,414,695
Other deferred expenses    
Regulatory Assets [Line Items]    
Current regulatory assets 84,315 84,315
Noncurrent regulatory assets 291,721 294,547
Premium on early retirement of debt    
Regulatory Assets [Line Items]    
Noncurrent regulatory assets $ 1,684,261 $ 1,712,808