XML 136 R111.htm IDEA: XBRL DOCUMENT v3.22.4
Employee Benefit Plans Projected Benefit Obligation (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year $ 94,115,000    
Fair value of plan assets at end of year 78,137,000 $ 94,115,000  
Pension Plans      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Projected benefit obligation at beginning of year 87,530,000 92,292,000  
Interest cost 2,393,000 2,244,000 $ 2,726,000
Benefit payments (4,502,000) (4,272,000)  
Change in assumptions (17,131,000) (2,613,000)  
Experience gain 426,000 (121,000)  
Projected benefit obligation at end of year 68,716,000 87,530,000 92,292,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 94,115,000 87,177,000  
Actual return on plan assets (11,476,000) 11,210,000  
Fair value of plan assets at end of year 78,137,000 94,115,000 87,177,000
Other Postretirement Benefit Plans      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Projected benefit obligation at beginning of year 1,244,000 1,322,000  
Interest cost 34,000 32,000 43,000
Benefit payments (155,000) (167,000)  
Change in assumptions (202,000) (14,000)  
Experience gain (51,000) (71,000)  
Projected benefit obligation at end of year 972,000 1,244,000 $ 1,322,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 0    
Fair value of plan assets at end of year $ 0 $ 0