XML 123 R109.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans - Schedule of Net Pension Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Service cost – benefits earned during the period $ 0 $ 0 $ 0
Interest cost on projected benefit obligation 981 1,223 1,482
Expected return on plan assets (1,059) (1,300) (1,562)
Net amortization and deferral 577 843 977
Net periodic pension cost 499 766 897
SERP      
Defined Benefit Plan Disclosure [Line Items]      
Service cost – benefits earned during the period 0 0 0
Interest cost on projected benefit obligation 119 158 219
Net amortization and deferral 15 (157) (163)
Net periodic pension cost $ 134 $ 1 $ 56