XML 119 R104.htm IDEA: XBRL DOCUMENT v3.19.1
Employee benefit plans - Schedule of Amounts Recognized in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Amounts recognized in the accumulated other comprehensive loss consist of:    
Net amount recognized $ 5,702 $ 5,236
Pension Benefits    
Defined Benefit Plan Disclosure    
Liabilities 1,419 3,671
Amounts recognized in the accumulated other comprehensive loss consist of:    
Net actuarial gain (7,218) (6,628)
Deferred taxes 1,516 1,392
Net amount recognized $ (5,702) $ (5,236)