v3.26.3
Stock-Based Compensation - Schedule of Stock Option Activity (Details)
 9 Months Ended
Sep. 30, 2026
$ / shares
shares
Sep. 30, 2025
$ / shares
shares
WillScot Options    
Options    
Outstanding beginning balance (in shares) | shares 754,188 534,188
Granted (in shares) | shares 100,000 220,000
Exercised (in shares) | shares (408,497) 0
Outstanding ending balance (in shares) | shares 445,691 754,188
Weighted-Average Exercise Price per Share    
Outstanding beginning balance (in USD per share) | $ / shares $ 16.46 $ 13.60
Granted (in USD per share) | $ / shares 18.83 23.39
Exercised (in USD per share) | $ / shares 13.60 0
Outstanding ending balance (in USD per share) | $ / shares $ 19.61 $ 16.46
Fully vested and exercisable options    
Fully vested and exercisable at end of period (in shares) | shares 219,024 534,188
Fully vested and exercisable at end of period, weighted-average exercise price per share (in USD per share) | $ / shares $ 17.77 $ 13.60
Converted Mobile Mini Options    
Options    
Outstanding beginning balance (in shares) | shares 10,884 814,889
Granted (in shares) | shares 0 0
Exercised (in shares) | shares (10,884) (786,204)
Outstanding ending balance (in shares) | shares 0 28,685
Weighted-Average Exercise Price per Share    
Outstanding beginning balance (in USD per share) | $ / shares $ 13.08 $ 12.77
Granted (in USD per share) | $ / shares 0 0
Exercised (in USD per share) | $ / shares 13.08 12.77
Outstanding ending balance (in USD per share) | $ / shares $ 0 $ 12.86
Fully vested and exercisable options    
Fully vested and exercisable at end of period (in shares) | shares 0 28,685
Fully vested and exercisable at end of period, weighted-average exercise price per share (in USD per share) | $ / shares $ 0 $ 12.86