v3.25.3
Debt (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Debt    
Schedule of debt

​

​

​

​

​

​

​

​

​

​

​

​

    

Outstanding

​

​

​

​

​

 

​

​

principal

​

Carrying value

 

​

​

September 30, 

​

September 30, 

​

December 31, 

 

​

    

2025

    

2025

    

2024

 

​

 

amounts in millions

​

Senior Notes

​

$

600

​

 

615

 

619

​

Senior Credit Facility

​

 

368

​

 

368

 

447

​

Wells Fargo Note Payable

​

 

4

​

 

4

​

4

​

Deferred financing costs

​

​

—

​

​

(2)

​

(1)

​

Total debt

​

$

972

​

 

985

 

1,069

​

Debt classified as current

​

 

​

​

 

(4)

 

(3)

​

Total long-term debt

​

​

​

​

$

981

 

1,066

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Outstanding

​

​

​

    

​

 

​

​

principal

​

Carrying value

 

​

​

December 31, 

​

December 31, 

​

December 31, 

 

​

​

2024

    

2024

    

2023

 

​

 

amounts in millions

​

Senior notes

​

$

600

​

 

619

 

623

​

Senior credit facility

​

 

447

​

 

447

 

394

​

Wells Fargo note payable

​

 

4

​

 

4

 

5

​

Deferred financing costs

​

​

​

​

​

(1)

​

(1)

​

Total debt

​

$

1,051

​

 

1,069

 

1,021

​

Debt classified as current

​

 

​

​

 

(3)

 

(3)

​

Total long-term debt

​

​

​

​

$

1,066

 

1,018

​

Schedule of annual principal maturities of debt  

The annual principal maturities of debt, based on stated maturity dates, for each of the next five years is as follows (amounts in millions):

​

​

​

​

​

​

2025

    

$

3

 

2026

 

$

208

​

2027

 

$

238

​

2028

 

$

601

​

2029

 

$

2

​