Pension and Other Post-Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Schedule of changes in projected benefit obligations, the plan assets, and the funded

Summary of the amounts recognized in the consolidated balance sheets

Schedule of accumulated benefit obligation in excess of plan assets and projected benefit obligations in excess of plan assets

Schedule of net periodic benefit cost changes in plan assets and benefit obligations recognized in other comprehensive loss

The components of net periodic benefit cost changes in plan assets and benefit obligations recognized as follows:

	Three Months Ended March 31,
	2021		2020
Service cost	$	368	$	226
Interest cost	82		79
Expected return on plan assets	(52)		(40)
Amortization of actuarial gains	(6)		(19)
Net periodic benefit cost	$	392	$	246

Summary of weighted-average assumptions used to determine the benefit obligations

Schedule of fair value of our plan assets and the respective level in the far value hierarchy by asset category

Schedule of estimated pension benefit payments