XML 42 R20.htm IDEA: XBRL DOCUMENT v3.20.4
Other long term obligations
12 Months Ended
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]  
Other long-term obligations Other long-term obligations
NoteDecember 31, 2020December 31, 2019
Directors' deferred stock unit plan17(c)$10,761 $14,375 
Deferred gain on sale-leaseback13(a)4,748 6,593 
Other3,341 3,536 
$18,850 $24,504 
a) Deferred gain on sale-leaseback
Changes in deferred gains on sale-leaseback transactions of heavy equipment are summarized below.
December 31, 2020December 31, 2019
Balance, beginning of year$6,593 $8,438 
Amortization of deferred gain on sale-leaseback(1,845)(1,845)
Balance, end of year$4,748 $6,593 
The gain on sale was deferred and is being amortized in the Consolidated Statements of Operations and Comprehensive Income over the expected useful life of the equipment.