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PROPERTY AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2021
PROPERTY AND EQUIPMENT  
Schedule of property and equipment

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$s in thousands

    

2021

    

2020

Cell development costs

​

$

203,217

​

$

186,170

Land and improvements

​

 

74,298

​

 

65,953

Buildings and improvements

​

 

138,659

​

 

128,206

Railcars

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17,299

​

 

17,299

Vehicles, vessels and other equipment

​

 

350,950

​

 

331,167

Construction in progress

​

 

54,609

​

 

44,840

Total property and equipment

​

 

839,032

​

 

773,635

Accumulated depreciation and amortization

​

 

(382,648)

​

 

(316,998)

Property and equipment, net

​

$

456,384

​

$

456,637