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Income taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of differences between tax provision and Federal and Provincial statutory income taxes

The reasons for the differences are as follows:

Year ended December 31,		2019				2018
Income before income taxes		$	39,991			$	21,417
Tax rate		26.50		%		27.00		%
Expected expense		$	10,598			$	5,783
(Decrease) increase related to:
Impact of enacted future statutory income tax rates		(5,797		)		—
Rate differential on equity earnings in affiliates and joint ventures		(859		)		—
Other		(1,097		)		313
Deferred income tax expense		$	2,845			$	6,096
Current income tax expense		13				—
Total income tax expense		$	2,858			$	6,096

Schedule of deferred tax assets and liabilities

The deferred tax assets and liabilities are summarized below:

		December 31, 2019				December 31, 2018
Deferred tax assets:
Non-capital and net capital loss carryforwards		$	44,763			$	24,478
Contract liabilities		—				572
Finance lease obligations		27,220				23,207
Stock-based compensation		3,393				3,545
Other		682				2,538
Subtotal		$	76,058			$	54,340
Less: valuation allowance		(881		)		(1,035		)
		$	75,177			$	53,305
Deferred tax liabilities:
Contract assets		$	4,805			$	3,711
Accounts receivable – holdbacks		924				96
Property, plant and equipment		106,104				84,927
Deferred financing costs		190				86
		$	112,023			$	88,820
Net deferred income tax liability		$	36,846			$	35,515

Classified as:

		December 31, 2019				December 31, 2018
Deferred tax asset		$	15,655			$	9,272
Deferred tax liability		(52,501		)		(44,787		)
		$	(36,846	)		$	(35,515	)

Schedule of non-capital losses for income tax purposes

At December 31, 2019, the Company has a deferred tax asset of $43,882 resulting from non-capital loss carryforwards of $185,614, which expire as follows:

		December 31, 2019
2027		$	279
2032		5,099
2033		5,893
2034		3,531
2036		3,127
2037		18,955
2038		86,189
2039		62,541
		$	185,614

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- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.

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-Publisher FASB
-Name Accounting Standards Codification
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