Financing and Interest (Tables)

12 Months Ended

Dec. 31, 2019

Analysis of income and expense [abstract]

Schedule of financing and interest

	Years Ended December 31
	2019		2018
Interest on bank loan	$	20,376	$	15,637
Interest on long-term notes	86,431		88,681
Interest on lease obligations	610		—
Non-cash financing	4,735		3,854
Accretion of asset retirement obligations (note 12)	13,713		10,914
Financing and interest	$	125,865	$	119,086