XML 141 R126.htm IDEA: XBRL DOCUMENT v3.7.0.1
Employee Retirement Plans - Net Actuarial Loss (Gain) and Prior Service Cost Included in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]    
Net loss (gain) $ 2,216 $ 384
Total recognized in net periodic benefit cost and other comprehensive income (loss) 2,216 384
Actuarial (gain) loss 2,830 512
Total recognized in other comprehensive (income) loss (2,830) $ (512)
Estimated aggregate net actuarial loss and prior service cost to be amortized next year $ 2,000