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Consolidated Balance Sheets - Summit Materials Inc (Parenthetical) - USD ($)
$ in Thousands
Apr. 01, 2023
Dec. 31, 2022
Accumulated depreciation, depletion and amortization $ 1,311,037 $ 1,267,557
Accumulated amortization 16,428 15,503
Valuation allowance $ 1,113 $ 1,113
Common Class A    
Common stock, par value (in usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 1,000,000,000 1,000,000,000
Common stock, shares issued (in shares) 118,818,671 118,408,655
Common stock, shares outstanding (in shares) 118,818,671 118,408,655
Common Class B    
Common stock, par value (in usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 250,000,000 250,000,000
Common stock, shares issued (in shares) 99 99
Common stock, shares outstanding (in shares)   99