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Employee Benefit Plans (Schedule of Defined Benefit Plans Change in Benefit Obligation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Change in Benefit Obligation    
Benefit obligation, beginning of year $ 4,112 $ 4,560
Interest cost 162 158
Actuarial loss/(gain) 473 (507)
Benefits paid (635) (99)
Settlement loss 2  
Benefit obligation, ending $ 4,114 $ 4,112