XML 72 R61.htm IDEA: XBRL DOCUMENT v3.20.2
Employee Benefit Plans - Accumulated Post-Retirement Benefit Obligation, Funded Status, and Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Change in benefit obligation            
Benefit obligation at beginning of year     $ 1,581 $ 1,599    
Interest cost $ 16 $ 17 32 33    
Benefits paid     (54) (56)    
Benefit obligation at end of period 1,559 1,576 1,559 1,576    
Funded status            
Benefit obligation at end of period (1,559) (1,576) (1,559) (1,576) $ (1,559) $ (1,576)
Unamortized gain         (31) (47)
Accrued benefit cost at end of period         $ (1,590) $ (1,623)
Components of net periodic benefit cost            
Interest cost 16 17 32 33    
Net periodic benefit cost $ 16 $ 17 $ 32 $ 33