Consolidated Statements of Income - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Statement [Abstract]      
Revenue $ 1,783,665 $ 1,395,529 $ 1,382,525
Cost of revenue 1,623,245 1,271,375 1,254,560
Selling, general, and administrative expenses 98,400 80,679 78,316
Operating income 62,020 43,475 49,649
Interest expense, net (7,985) (4,793) (6,470)
Income from operations before income taxes 54,035 38,682 43,179
Income tax expense 8,307 1,731 10,003
Net income $ 45,728 $ 36,951 $ 33,176
Earnings per share      
Basic (in dollars per share) $ 3.91 $ 3.19 $ 2.90
Diluted (in dollars per share) $ 3.86 $ 3.14 $ 2.86
Weighted average common shares outstanding - basic (in shares) 11,705 11,599 11,444
Weighted average common shares outstanding - diluted (in shares) 11,836 11,751 11,612