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Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2021
Net deferred tax assets and liabilities [abstract]  
Schedule of Provision for Income Taxes
The provision for income taxes differs from that which would be expected by applying statutory Canadian income tax rates.
A reconciliation of the difference for the years ended December 31, is as follows:
 
     
                    2021
                         2020  
Loss before income taxes
   
$
(182,782
) 
   $ (109,184 ) 
Federal and provincial statutory rates
   
 
24
% 
     25 % 
Tax at statutory rates
   
$
(43,868
) 
   $ (27,296 ) 
Adjusted for the effect of:
                 
Non-deductible
expenses
   
 
1,162
 
     628  
Non-taxable
capital gains
   
 
(257
) 
     (6,184 ) 
Impact of foreign tax rates
   
 
(1,474
) 
     (238 ) 
Withholding taxes
   
 
937
 
     813  
Taxes related to prior years
   
 
(1,467
) 
     (1,531 ) 
Tax assets not recognized
   
 
37,924
 
     44,112  
Other
   
 
1,647
 
     650  
Income tax
expense (recovery)
   
$
(5,396
) 
   $ 10,954  
Summary of Net Deferred Tax Liability
The net deferred tax liability is comprised of the tax effect of the following temporary differences:
 
     
                    2021
                           2020  
Deferred tax liability:
   
 
 
 
  
 
 
 
Property, plant and equipment and intangibles
   
$
359,383
 
   $ 393,631  
Debt issue costs
   
 
1,457
 
     2,665  
Partnership deferrals
   
 
11,082
 
     2,532  
Other
   
 
6,221
 
     6,322  
 
   
 
378,143
 
     405,150  
Offsetting of assets and liabilities
   
 
(365,924
) 
     (383,914 ) 
 
   
$
12,219
 
   $ 21,236  
     
Deferred tax assets:
                 
Losses (expire from time to time up to 204
1
)
   
$
340,406
 
   $ 370,439  
Long-term incentive plan
   
 
14,264
 
     4,956  
Other
   
 
12,121
 
     9,617  
 
   
 
366,791
 
     385,012  
Offsetting of assets and liabilities
   
 
(365,924
) 
     (383,914 ) 
 
   
$
867
 
   $ 1,098  
Net deferred tax liability
   
$
11,352
 
   $ 20,138  
Summary of Movement in Temporary Differences of Deferred Tax Liabilities
 

      Property,
Plant and
Equipment
and
    Intangibles		         Partnership
Deferrals		      Other
Deferred
Tax
    Liabilities		               Losses    
    Debt Issue
Costs
    
    Long-Term
Incentive
Plan
    
Other
      Deferred
Tax
Assets
    
Net
      Deferred
Tax
Liability
  
Balance, December 31, 2019
    $ 426,934     $ 850      $ 7,926     $ (402,025 )    $ 3,280     $ (6,131 )    $ (10,169 )    $ 20,665  
                 
Recognized in net earnings (loss)
      (28,600 )      1,682        (1,601 )      33,141       (615 )      1,120       537       5,664  
Recognized in other comprehensive income
      —       —        —       (5,398 )      —       —       —       (5,398 ) 
Effect of foreign currency exchange
differences
      (4,703 )      —        (3 )      3,843       —       55       15       (793 ) 
Balance, December 31, 2020
    $ 393,631     $ 2,532      $ 6,322     $ (370,439 )    $ 2,665     $ (4,956 )    $ (9,617 )    $ 20,138  
Recognized in net earnings (loss)
      (32,562 )      8,550        (99 )      28,528       (1,208 )      (9,291 )      (2,517 )      (8,599 ) 
Effect of foreign currency exchange
differences
      (1,686 )      —        (2 )      1,505       —       (17 )      13       (187 ) 
Balance, December 31, 2021
   
$
359,383
 
  
$
11,082
 
   
$
6,221
 
  
$
(340,406
) 
  
$
1,457
 
  
$
(14,264
) 
  
$
(12,121
) 
  
$
11,352
 
Summary of Deferred Tax Asset Not Recognized Accordingly, the Corporation has not recognized a deferred tax asset for the following items:
 
     
                      2021
                            2020  
Tax losses (Capital)
   
$
29,363
 
    $ 29,809  
Tax losses (Income)
   
 
96,671
 
      72,516  
Deductible temporary differences
   
 
4,153
 
      2,020   
Total
   
$
130,187
 
    $ 104,345