XML 68 R110.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Employee Benefit Plans (Reconciliation Of The Plan's Benefit Obligations, Fair Value Of Assets And The Funded Status) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Change in projected benefit obligation:      
Projected benefit obligation at beginning of period $ 69,574 $ 70,436  
Service cost 3,207 3,346 $ 3,140
Interest cost 2,777 2,387 2,449
Actuarial (gain) loss 11,993 (3,298)  
Benefits paid and plan expenses (3,223) (3,297)  
Projected benefit obligation at end of period 84,328 69,574 70,436
Change in plan assets:      
Fair value of plan assets at beginning of period 75,188 83,348  
Actual return on plan assets 15,862 (4,863)  
Benefits paid and plan expenses (3,223) (3,297)  
Fair value of plan assets at end of period 87,827 75,188 $ 83,348
Funded status at end of period $ 3,499 $ 5,614