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Land, Property and Equipment
 3 Months Ended
Mar. 31, 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 March 31, 2024 consisted of the following (in thousands):

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​

​

​

​

​

​

​

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December 31, 

    

March 31, 

​

    

2023

    

2024

Land

​

$

7,397

​

$

10,331

LNG liquefaction plants

​

 

96,786

​

 

96,786

Station equipment

​

 

418,647

​

 

436,851

Trailers

​

 

70,542

​

 

70,742

Other equipment

​

 

105,137

​

 

102,870

Construction in progress

​

 

125,389

​

 

120,949

​

​

 

823,898

​

 

838,529

Less accumulated depreciation

​

 

(492,140)

​

 

(502,757)

Total land, property and equipment, net

​

$

331,758

​

$

335,772

​

Included in “Land, property and equipment, net” are capitalized software costs of $36.8 million and $37.1 million as of December 31, 2023 and March 31, 2024, respectively. Accumulated amortization of the capitalized software costs are $34.0 million and $34.5 million as of December 31, 2023 and March 31, 2024, respectively.

The Company recorded amortization expense related to capitalized software costs of $0.4 million and $0.5 million in the three months ended March 31, 2023 and 2024, respectively.

As of December 31, 2023 and March 31, 2024, $10.2 million and $6.9 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.