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Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2019
Derivative Instrument Detail [Abstract]  
Estimated Fair Value of Financial Instruments

The following table presents the estimated fair values of our financial instruments:

 

 

September 30, 2019

 

 

December 31, 2018

 

(in thousands)

 

Carrying

Amount

 

 

Fair

Value

 

 

Carrying

Amount

 

 

Fair

Value

 

Derivative assets related to interest rate swaps (Level 2)

 

$

736

 

 

$

736

 

 

$

1,510

 

 

$

1,510

 

Derivative liabilities related to interest rate swaps (Level 2)

 

$

(29,322

)

 

$

(29,322

)

 

$

(2,888

)

 

$

(2,888

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Term loans

 

$

(689,657

)

 

$

(704,498

)

 

$

(539,169

)

 

$

(539,037

)

Senior notes

 

 

—

 

 

 

—

 

 

 

(149,786

)

 

 

(154,328

)

Revenue bonds

 

 

(65,735

)

 

 

(68,384

)

 

 

(94,735

)

 

 

(93,144

)

Medium-term notes

 

 

(3,000

)

 

 

(3,484

)

 

 

(3,000

)

 

 

(3,419

)

Total long-term debt1

 

$

(758,392

)

 

$

(776,366

)

 

$

(786,690

)

 

$

(789,928

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

$

4,073

 

 

$

4,073

 

 

$

3,104

 

 

$

3,104

 

 

1

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