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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2021

POSTRETIREMENT BENEFIT PLANS

Summary of the components of net periodic benefit cost


		Three Months Ended June 30
		Supplemental						Postretirement
		Benefit Plan						Health Benefit Plan
		2021			2020			2021			2020

		(in thousands)
Service cost		$	—		$	—		$	48		$	47
Interest cost			1			2			107			144
Amortization of net actuarial (gain) loss⁽¹⁾			3			1			(137)			(149)
Net periodic benefit cost⁽²⁾		$	4		$	3		$	18		$	42


		Six Months Ended June 30
		Supplemental						Postretirement
		Benefit Plan						Health Benefit Plan
		2021			2020			2021⁽²⁾			2020

		(in thousands)
Service cost		$	—		$	—		$	96		$	94
Interest cost			2			5			214			288
Amortization of prior service credit			—			—			—			—
Pension settlement expense⁽³⁾			—			89			—			—
Amortization of net actuarial (gain) loss⁽¹⁾			5			5			(274)			(298)
Net periodic benefit cost⁽²⁾		$	7		$	99		$	36		$	84

(1)	The Company amortizes actuarial gains and losses over the average remaining active service period of the plan participants and does not use a corridor approach.

(2)	Service cost is reported within operating expenses and the other components of net periodic benefit cost (including pension settlement expense) are reported within the other line item of other income (costs) in the consolidated statements of operations.

(3)	For the six months ended June 30, 2020, pension settlement expense for the supplemental benefit plan of $0.1 million (pre-tax), or $0.1 million (after-tax), was due to a $0.7 million benefit related to an officer retirement.