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Employee Benefits - Schedule of Assumptions Used (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Compensation And Retirement Disclosure [Abstract]      
Discount rate 3.56% 4.44%  
Discount rate 4.44% 3.77% 4.27%
Expected rate of return on assets 7.00% 7.00% 7.00%