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Employee Benefit Plans (Details 2)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]    
Discount rate 1.50% 1.75%
Rate of increase in compensation levels 1.00% 2.00%
Expected long-term rate of return on plan assets 1.50% 1.75%