XML 65 R53.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Note 9 - Fair Value of Assets and Liabilities - Fair Value Measurements, Recorded (Details) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Total assets at fair value $ 18,231 $ 16,896
Total liabilities recorded at fair value 4,505 5,224
Supplemental Executive Retirement Plan [Member]    
Derivative asset 13,726 11,617
Metal Swaps [Member]    
Derivative asset 4,098 4,458
Derivative liability 4,505 5,224
Embedded Customer Derivatives [Member]    
Derivative asset 407 766
Interest Rate Swap [Member]    
Derivative asset   55
Fair Value, Inputs, Level 1 [Member]    
Total assets at fair value 13,726 11,617
Total liabilities recorded at fair value 0 0
Fair Value, Inputs, Level 1 [Member] | Supplemental Executive Retirement Plan [Member]    
Derivative asset 13,726 11,617
Fair Value, Inputs, Level 1 [Member] | Metal Swaps [Member]    
Derivative asset 0 0
Derivative liability 0 0
Fair Value, Inputs, Level 1 [Member] | Embedded Customer Derivatives [Member]    
Derivative asset 0 0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]    
Derivative asset   0
Fair Value, Inputs, Level 2 [Member]    
Total assets at fair value 4,505 5,279
Total liabilities recorded at fair value 4,505 5,224
Fair Value, Inputs, Level 2 [Member] | Supplemental Executive Retirement Plan [Member]    
Derivative asset 0 0
Fair Value, Inputs, Level 2 [Member] | Metal Swaps [Member]    
Derivative asset 4,098 4,458
Derivative liability 4,505 5,224
Fair Value, Inputs, Level 2 [Member] | Embedded Customer Derivatives [Member]    
Derivative asset 407 766
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]    
Derivative asset   55
Fair Value, Inputs, Level 3 [Member]    
Total assets at fair value 0 0
Total liabilities recorded at fair value 0 0
Fair Value, Inputs, Level 3 [Member] | Supplemental Executive Retirement Plan [Member]    
Derivative asset 0 0
Fair Value, Inputs, Level 3 [Member] | Metal Swaps [Member]    
Derivative asset 0 0
Derivative liability 0 0
Fair Value, Inputs, Level 3 [Member] | Embedded Customer Derivatives [Member]    
Derivative asset $ 0 0
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]    
Derivative asset   $ 0