18. Debt



		Carrying amount
		March 31,		December 31,
			2017		2016
Short-term debt		$	24,616	$	23,912

Long-term debt:


	Revolving loan, denominated in Canadian dollars, unsecured, bearing
	interest at a weighted average rate of 2.426%, due in monthly installments
	of interest only, with the committed, revolving credit facility available until
	October 2021		70,575		69,926

	Revolving loan, denominated in United States dollars, unsecured, bearing
	interest at a weighted average rate of 2.280%, due in monthly installments
	of interest only, with the committed, revolving credit facility available until
	October 2021		30,000		30,000

	Senior unsecured notes, bearing interest at 5.375% due in semi-annual
	installments, with the full amount of principal due in January 2025		500,000		500,000
	Less: unamortized debt issue costs		(4,137)		(4,220)
			596,438		595,706

Total debt		$	621,054	$	619,618

18. Debt (continued)

Short-term debt at March 31, 2017 is comprised of drawings in different currencies on the Company’s committed revolving credit facilities and have a weighted average interest rate of 2.2% (December 31, 2016: 2.2%).

As at March 31, 2017, the Company had available committed revolving credit facilities aggregating $548,141,000 of which $537,100,000 is available until October 27, 2021. The Company also had available $325,000,000 under the delayed draw term loan facility.