XML 77 R63.htm IDEA: XBRL DOCUMENT v3.6.0.2
Employee Benefit Plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expenses related to employee benefit plans $ 1,601 $ 1,487 $ 1,280
Long Term Cash Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Deferred compensation liability, current $ 0 $ 808  
Awards granted in period 0 0 0