Finance costs

12 Months Ended

Dec. 31, 2021

Borrowing costs [abstract]

Finance cost

Finance costs:

For the years ended December 31	2021		2020
Finance costs before capitalized interest	$	165,391	$	182,841
Less capitalized interest related to Geismar 3 plant under construction	(20,985)		(18,004)
Finance costs	$	144,406	$	164,837

Finance costs are primarily comprised of interest on the unsecured notes, credit and construction facilities, limited recourse debt facilities, finance lease obligations, amortization of deferred financing fees, and accretion expense associated with site restoration costs. Interest during construction projects is capitalized until the plant is substantially completed and ready for productive use.