September 30, 2021

December 31, 2020

(in thousands)

Carrying
Amount

Fair
Value

Carrying
Amount

Fair
Value

Derivative assets related to interest rate swaps (Level 2)

$

42,370

$

42,370

$

18,529

$

18,529

Derivative liabilities related to interest rate swaps (Level 2)

$

(28,122

)

$

(28,122

)

$

(46,110

)

$

(46,110

)

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

Term loans

$

(690,957

)

$

(709,351

)

$

(690,469

)

$

(716,631

)

Revenue bonds

(65,735

)

(69,508

)

(65,735

)

(67,885

)

Medium-term notes

(3,000

)

(3,050

)

(3,000

)

(3,545

)

Total long-term debt1

$

(759,692

)

$

(781,909

)

$

(759,204

)

$

(788,061

)

Company owned life insurance asset (COLI) (Level 3)

$

3,857

$

3,857

$

3,328

$

3,328