XML 104 R128.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Employee Benefit Plans (Fair Value Assumptions) (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Weighted average assumptions used to determine benefit obligation:    
Discount Rate 3.56% 4.62%
Expected Long-term Rate of Return 6.06% 6.41%