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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Statement [Abstract]      
Revenues $ 1,264,542 $ 1,085,089 $ 889,211
Operating expenses:      
Cost of operations 832,038 723,117 582,403
General and administration 155,847 133,419 118,834
Depreciation and amortization 170,705 126,351 103,590
Expense from acquisition activities 15,038 4,613 5,304
Legal settlement 6,150 0 0
Landfill capping charge - veneer failure 3,870 0 0
Southbridge Landfill closure charge, net 467 1,436 496
Environmental remediation charge 0 759 924
Total operating expenses 1,184,115 989,695 811,551
Operating income 80,427 95,394 77,660
Other expense (income):      
Interest income (10,741) (709) (302)
Interest expense 47,578 23,722 21,229
Loss from termination of bridge financing 8,191 0 0
Other income (1,646) (2,585) (1,313)
Other expense, net 43,382 20,428 19,614
Income before income taxes 37,045 74,966 58,046
Provision for income taxes 11,646 21,887 16,946
Net income $ 25,399 $ 53,079 $ 41,100
Basic earnings per share attributable to common stockholders:      
Weighted average common shares outstanding 55,174 51,623 51,312
Basic earnings per common share (in dollars per share) $ 0.46 $ 1.03 $ 0.80
Diluted earnings per share attributable to common stockholders:      
Weighted average common shares outstanding 55,274 51,767 51,515
Diluted earnings per common share (in dollars per share) $ 0.46 $ 1.03 $ 0.80