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Accrued Liabilities
12 Months Ended
Dec. 31, 2022
Accrued Liabilities  
Accrued Liabilities

(9)  Accrued Liabilities

Accrued liabilities consisted of the following items:

December 31,

(in thousands)

    

2021

    

2022

 

Capital expenditures

$

24,900

16,597

Operating expenses

10,417

11,118

Interest expense

36,794

37,947

Ad valorem taxes

5,400

5,661

Other

3,327

1,392

Total accrued liabilities

$

80,838

72,715