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CONDENSED CONSOLIDATED STATEMENTS OF CAPITAL STOCK AND LONG-TERM DEBT (Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Common Stock, No Par Value $ 225,092 $ 221,919
Retained Earnings 152,790 145,807
TOTAL COMMON EQUITY 377,882 367,726
TOTAL PREFERRED STOCK 2,084 2,084
SUBTOTAL LONG-TERM DEBT 311,168 311,146
Add: Premium on Issuance of Long-term Debt 7,172 7,271
Less: Unamortized Debt Expense (5,112) (5,166)
Less: Current Portion of Long-term Debt (6,710) (6,731)
TOTAL LONG-TERM DEBT 306,518 306,520
First Mortgage Bonds [Member]    
SUBTOTAL LONG-TERM DEBT 203,440 203,892
Amortizing Secured Notes [Member]    
SUBTOTAL LONG-TERM DEBT 46,939 47,613
State Revolving Trust Notes [Member]    
SUBTOTAL LONG-TERM DEBT 8,658 7,510
Construction Loans [Member]    
SUBTOTAL LONG-TERM DEBT 52,131 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