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Summary of Reconciliation of Disaggregated Revenue by Type of Service Provided (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue $ 1,617,194 $ 986,847
Contract Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 1,436,134 877,943
Completion and Production Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 187,171 113,488
Inter-Segment Eliminations [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue (6,111) (4,584)
Day Rate Or Hourly Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 1,580,817 958,858
Day Rate Or Hourly Services [Member] | Contract Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 1,394,394 845,832
Day Rate Or Hourly Services [Member] | Completion and Production Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 187,171 113,488
Day Rate Or Hourly Services [Member] | Inter-Segment Eliminations [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue (748) (462)
Shortfall Payments Or Idle But Contracted [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 2,153 543
Shortfall Payments Or Idle But Contracted [Member] | Contract Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 2,153 543
Turnkey Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 31,723 17,086
Turnkey Drilling Services [Member] | Contract Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 31,723 17,086
Directional Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue [1]   7,871
Directional Services [Member] | Contract Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue [1]   7,871
Other [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 2,501 2,489
Other [Member] | Contract Drilling Services [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue 7,864 6,611
Other [Member] | Inter-Segment Eliminations [Member]    
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items]    
Revenue $ (5,363) $ (4,122)
[1] Directional drilling disposed in the third quarter of 2021