XML 96 R80.htm IDEA: XBRL DOCUMENT v3.21.1
Employee Benefit Plans (Change in Plan Assets and Funded Status) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Actuarial loss (gain) $ (3,870)  
Pension Benefits [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Defined Benefit Plan, Benefit Obligation, Beginning Balance 53,294 $ 48,590
Interest cost 1,430 1,863
Actuarial loss (gain) 3,870 6,157
Benefits paid (3,235) (3,316)
Defined Benefit Plan, Benefit Obligation, Ending Balance 55,359 53,294
Plan assets - Beginning of year 46,784 42,749
Return on plan assets 4,765 7,351
Benefits paid (3,235) (3,316)
Plan assets at fair value - End of year 48,314 46,784
Funded status of plans - End of year (7,045) (6,510)
Postretirement Benefit Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Defined Benefit Plan, Benefit Obligation, Beginning Balance $ 601 5,370
Service cost   18
Interest cost   183
Benefits paid   (601)
Liability gain due to termination   (4,369)
Defined Benefit Plan, Benefit Obligation, Ending Balance   601
Employer contributions   601
Benefits paid   (601)
Funded status of plans - End of year   $ (601)