Income Taxes (Tables)

3 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Income Tax (Expense) Benefit Included in Other Comprehensive Loss

The income tax (expense) benefit related to the following items included in Other Comprehensive Loss are:

	Three Months Ended
		March 31,
(In thousands of U.S. Dollars)		2021			2020
Unrealized change in cash flow hedging instruments		$	(77	)	$	749
Realized change in cash flow hedging instruments upon settlement			60			(94	)
Reclassification of unrealized change in ineffective cash flow hedging instruments			6			—
Defined benefit and postretirement benefit plans			(13	)		40
		$	(24	)	$	695