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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2024
Derivative Instrument Detail [Abstract]  
Estimated Fair Value of Financial Instruments

Carrying amounts and estimated fair values of our financial instruments as of December 31 are as follows:

 

 

2024

 

 

2023

 

(in thousands)

 

Carrying
Amount

 

 

Fair
Value

 

 

Carrying
Amount

 

 

Fair
Value

 

Derivative assets related to interest rate swaps (Level 2)

 

$

138,354

 

 

$

138,354

 

 

$

129,125

 

 

$

129,125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Long-term debt, including current portion (Level 2):

 

 

 

 

 

 

 

 

 

 

 

 

Term loans

 

$

(1,036,569

)

 

$

(1,035,608

)

 

$

(969,919

)

 

$

(965,718

)

Revenue bonds

 

 

 

 

 

 

 

 

(65,735

)

 

 

(64,786

)

Total long-term debt1

 

$

(1,036,569

)

 

$

(1,035,608

)

 

$

(1,035,654

)

 

$

(1,030,504

)

 

 

 

 

 

 

 

 

 

 

 

 

 

Company owned life insurance (Level 3)

 

$

6,026

 

 

$

6,026

 

 

$

5,220

 

 

$

5,220

 

 

1.

The carrying amount of long-term debt includes principal and unamortized discounts.