Annual report pursuant to Section 13 and 15(d)

Pension Plans. (Details) - Schedule of defined contribution plan

v3.21.1
Pension Plans. (Details) - Schedule of defined contribution plan - Postretirement Plan [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Amounts at the end of the year:    
Accumulated/projected benefit obligation $ 5,296 $ 5,274
Fair value of plan assets
Funded status, (underfunded)/overfunded (5,296) (5,274)
Amounts recognized in the consolidated balance sheets:    
Accrued liabilities (300) (280)
Other liabilities (4,996) (4,994)
Accumulated other comprehensive loss 679 716
Company contributions 174 171
Participant contributions 26 24
Benefits paid (200) (195)
Service cost 54 67
Interest cost 151 219
Amortization of prior service costs 30 122
Net periodic benefit cost 235 408
Gain recognized in other comprehensive income $ (37) $ (674)
Discount rate used in computation of benefit obligations 2.05% 2.95%