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Property and Equipment (Tables)
6 Months Ended
Jun. 30, 2020
Property, Plant and Equipment [Abstract]  
Summary of Property and Equipment
Property and equipment are summarized as follows:
 June 30,
2020
December 31,
2019
Construction and transportation equipment$225,440  $217,945  
Buildings and improvements17,267  14,641  
Land3,891  3,891  
Office equipment2,609  2,767  
Total property and equipment249,207  239,244  
Less accumulated depreciation(129,611) (123,214) 
Total property and equipment, net$119,596  $116,030