XML 111 R94.htm IDEA: XBRL DOCUMENT v3.6.0.2
Employee Benefit Plans (Schedule of Net Pension Costs) (Details) - Pension Plan [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Service cost - benefits earned during the period
Interest cost on projected benefit obligation 1,502 1,364 1,461
Expected return on plan assets (2,698) (2,847) (2,779)
Net amortization and deferral 238
Net periodic pension (income) cost $ (958) $ (1,483) $ (1,318)