XML 104 R87.htm IDEA: XBRL DOCUMENT v3.20.4
Employee Benefit Plans - Changes in Projected Benefit Obligation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Change in benefit obligation:      
Actuarial loss (gain) $ 15,500 $ 18,300  
DB Pension Plan      
Change in benefit obligation:      
Benefit obligation at beginning of year 90,346 79,689  
Service cost 0 0 $ 0
Interest cost 2,371 2,936 2,508
Plan participants’ contributions 0 0  
Amendments 0 0  
Actuarial loss (gain) 10,046 10,996  
Benefits paid (4,742) (3,275)  
Benefit obligation at end of year 98,021 90,346 79,689
Change in plan assets:      
Fair value of plan assets at beginning of year 82,352 72,474  
Actual return on plan assets 11,562 13,153  
Plan participants’ contributions 0 0  
Employer contributions 0 0  
Benefits paid (4,742) (3,275)  
Fair value of plan assets at end of year 89,172 82,352 72,474
Unfunded status (8,849) (7,994)  
Life and Healthcare Plan      
Change in benefit obligation:      
Benefit obligation at beginning of year 9,022 7,857  
Service cost 173 159 212
Interest cost 245 289 270
Plan participants’ contributions 90 87  
Amendments 0 (203)  
Actuarial loss (gain) 1,340 1,218  
Benefits paid (362) (385)  
Benefit obligation at end of year 10,508 9,022 7,857
Change in plan assets:      
Fair value of plan assets at beginning of year 0 0  
Actual return on plan assets 0 0  
Plan participants’ contributions 90 87  
Employer contributions 272 298  
Benefits paid (362) (385)  
Fair value of plan assets at end of year 0 0 0
Unfunded status (10,508) (9,022)  
SERP Plan      
Change in benefit obligation:      
Benefit obligation at beginning of year 32,153 23,539  
Service cost 214 157 160
Interest cost 914 909 833
Plan participants’ contributions 0 0  
Amendments 0 2,022  
Actuarial loss (gain) 4,070 6,128  
Benefits paid (641) (602)  
Benefit obligation at end of year 36,710 32,153 23,539
Change in plan assets:      
Fair value of plan assets at beginning of year 0 0  
Actual return on plan assets 0 0  
Plan participants’ contributions 0 0  
Employer contributions 641 602  
Benefits paid (641) (602)  
Fair value of plan assets at end of year 0 0 $ 0
Unfunded status $ (36,710) $ (32,153)