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Land, Property and Equipment
 9 Months Ended
Sep. 30, 2024
Property, Plant and Equipment [Abstract]  
Land, Property and Equipment

Note 10—Land, Property and Equipment

Land, property and equipment, net as of December 31, 2023 and September 30, 2024 consisted of the following (in thousands):

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​

​

​

​

​

​

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December 31, 

    

September 30, 

​

    

2023

    

2024

Land

​

$

7,397

​

$

19,275

LNG liquefaction plants

​

 

96,786

​

 

96,786

Station equipment

​

 

418,647

​

 

465,140

Trailers

​

 

70,542

​

 

70,684

Other equipment

​

 

105,137

​

 

104,901

Construction in progress

​

 

125,389

​

 

119,168

​

​

 

823,898

​

 

875,954

Less accumulated depreciation

​

 

(492,140)

​

 

(521,505)

Total land, property and equipment, net

​

$

331,758

​

$

354,449

​

Included in “Land, property and equipment, net” are capitalized software costs of $36.8 million and $38.0 million as of December 31, 2023 and September 30, 2024, respectively. Accumulated amortization of the capitalized software costs are $34.0 million and $35.4 million as of December 31, 2023 and September 30, 2024, respectively.

The Company recorded amortization expense related to capitalized software costs of $0.5 million and $0.4 million in the three months ended September 30, 2023 and 2024, respectively, and $1.4 million and $1.3 million in the nine months ended September 30, 2023 and 2024, respectively.

As of December 31, 2023 and September 30, 2024, $10.2 million and $8.4 million, respectively, are included in “Accounts payable” and “Accrued liabilities” in the accompanying condensed consolidated balance sheets, representing amounts related to purchases of property and equipment. These amounts are excluded from the accompanying condensed consolidated statements of cash flows as they are non-cash investing activities.