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Pension and Other Post-Retirement Benefits (Tables)
 3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
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 recognized in other comprehensive loss were as follows:
 
Three Months Ended March 31,
 
2020
 
2019
Service cost
$
226

 
$
221

Interest cost
79

 
78

Expected return on plan assets
(40
)
 
(40
)
Amortization of actuarial gains
(19
)
 
(18
)
Net periodic benefit cost
$
246

 
$
241