Long-term debt (Tables)

12 Months Ended

Dec. 31, 2022

Financial Instruments [Abstract]

Schedule of long-term debt

As at	Dec 31 2022		Dec 31 2021
Unsecured notes
(i) $300 million at 4.25% due December 1, 2024	$	298,836	$	298,408
(ii) $700 million at 5.125% due October 15, 2027	693,649		692,516
(iii) $700 million at 5.25% due December 15, 2029	695,283		694,770
(iv) $300 million at 5.65% due December 1, 2044	295,606		295,505
	1,983,374		1,981,199
Other limited recourse debt facilities
(i) 5.58% due through June 30, 2031	61,978		65,745
(ii) 5.35% due through September 30, 2033	70,312		73,836
(iii) 5.08% due through September 15, 2036	35,849		37,412
	168,139		176,993
Total long-term debt1	2,151,513		2,158,192
Less current maturities1	(15,133)		(11,775)
	$	2,136,380	$	2,146,417

1  Long-term debt and current maturities are presented net of discounts and deferred financing fees of $19.4 million as at December 31, 2022 (2021 - $21.8 million).

Schedule of minimum principal payments for long-term debt

The gross minimum principal payments for long-term debt in aggregate and for each of the five succeeding years are as follows:

	Other limited recourse debt facilities		Unsecured notes		Total
2023	$	15,067	$	—	$	15,067
2024	12,580		300,000		312,580
2025	13,660		—		13,660
2026	13,796		—		13,796
2027	15,173		700,000		715,173
Thereafter	100,599		1,000,000		1,100,599
	$	170,875	$	2,000,000	$	2,170,875