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CONDENSED CONSOLIDATED STATEMENTS OF CAPITAL STOCK AND LONG-TERM DEBT (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Common Stock, No Par Value $ 232,423 $ 221,919
Retained Earnings 165,652 145,807
TOTAL COMMON EQUITY 398,075 367,726
TOTAL PREFERRED STOCK 2,084 2,084
SUBTOTAL LONG-TERM DEBT 307,412 311,146
Add: Premium on Issuance of Long-term Debt 6,973 7,271
Less: Unamortized Debt Expense (5,580) (5,166)
Less: Current Portion of Long-term Debt (7,567) (6,731)
TOTAL LONG-TERM DEBT 301,238 306,520
First Mortgage Bonds [Member]    
SUBTOTAL LONG-TERM DEBT 252,269 203,892
Amortizing Secured Notes [Member]    
SUBTOTAL LONG-TERM DEBT 45,592 47,613
State Revolving Trust Notes [Member]    
SUBTOTAL LONG-TERM DEBT 9,551 7,510
Construction Loans [Member]    
SUBTOTAL LONG-TERM DEBT 52,131
Convertible Preferred Stock $7.00 Series [Member]    
TOTAL PREFERRED STOCK 1,005 1,005
Nonredeemable Preferred Stock $7.00 Series [Member]    
TOTAL PREFERRED STOCK 79 79
Nonredeemable Preferred Stock $4.75 Series [Member]    
TOTAL PREFERRED STOCK $ 1,000 $ 1,000