Employees Pension and Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2021

SERP Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Amounts Accrued

As of March 31, 2021 and December 31, 2020, the Company’s projected benefit obligation and unfunded status related to the SERP are as follows:

	March 31,		December 31,
(In thousands of U.S. Dollars)	2021		2020
Projected benefit obligation:
Obligation, beginning of period	$	20,116	$	18,840
Interest cost		18		379
Actuarial gain		—		897
Obligation, end of period and unfunded status(1)	$	20,134	$	20,116

(1) The accumulated benefit obligation for the SERP was $20.1 million at March 31, 2021 (December 31, 2020 —$20.1 million).