XML 110 R90.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employee future benefits - Future Benefits (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance $ 4,914  
Included in profit or loss    
Employee future benefit plan expense (226) $ (230)
Other    
Net defined benefit liability (asset), ending balance 4,299 4,914
Defined benefit pension plan    
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance 4,794 4,971
Included in profit or loss    
Current service cost 57 32
Interest cost (income) 166 194
Benefits payable 0 0
Employee future benefit plan expense 223 226
Actuarial loss (gain) arising from:    
Demographic assumptions (49) (99)
Financial assumptions (1,331) 1,300
Experience adjustment (2) 111
Return on plan assets excluding interest income 1,075 (1,055)
Plan expenses 0 0
Remeasurement (gains) losses (307) 257
Other    
Contributions paid by the employer (495) (660)
Payments in respect of settlements, net defined benefit liability (asset) 0 0
Other total (495) (660)
Net defined benefit liability (asset), ending balance 4,215 4,794
Defined benefit pension plan | Defined benefit obligation    
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance 17,603 16,253
Included in profit or loss    
Current service cost 57 32
Interest cost (income) 621 658
Benefits payable 0 0
Employee future benefit plan expense 678 690
Actuarial loss (gain) arising from:    
Demographic assumptions (49) (99)
Financial assumptions (1,331) 1,300
Experience adjustment (2) 111
Return on plan assets excluding interest income 0 0
Plan expenses (35) (55)
Remeasurement (gains) losses (1,417) 1,257
Other    
Contributions paid by the employer 0 0
Payments in respect of settlements, net defined benefit liability (asset) (609) (597)
Other total (609) (597)
Net defined benefit liability (asset), ending balance 16,255 17,603
Defined benefit pension plan | Fair value of plan assets    
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance (12,809) (11,282)
Included in profit or loss    
Current service cost 0 0
Interest cost (income) (455) (464)
Benefits payable 0 0
Employee future benefit plan expense (455) (464)
Actuarial loss (gain) arising from:    
Demographic assumptions 0 0
Financial assumptions 0 0
Experience adjustment 0 0
Return on plan assets excluding interest income 1,075 (1,055)
Plan expenses 35 55
Remeasurement (gains) losses 1,110 (1,000)
Other    
Contributions paid by the employer (495) (660)
Payments in respect of settlements, net defined benefit liability (asset) 609 597
Other total 114 (63)
Net defined benefit liability (asset), ending balance (12,040) (12,809)
Other post-retirement benefit plan    
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance 120 196
Included in profit or loss    
Interest cost (income) 3 4
Employee future benefit plan expense 3 4
Actuarial loss (gain) arising from:    
Demographic assumptions 0 (1)
Financial assumptions (5) 3
Experience adjustment 7 (53)
Remeasurement (gains) losses 2 (51)
Other    
Contributions paid by the employer (41) (29)
Payments in respect of settlements, net defined benefit liability (asset) 0 0
Other total (41) (29)
Net defined benefit liability (asset), ending balance 84 120
Other post-retirement benefit plan | Defined benefit obligation    
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance 120 196
Included in profit or loss    
Interest cost (income) 3 4
Employee future benefit plan expense 3 4
Actuarial loss (gain) arising from:    
Demographic assumptions 0 (1)
Financial assumptions (5) 3
Experience adjustment 7 (53)
Remeasurement (gains) losses 2 (51)
Other    
Contributions paid by the employer 0 0
Payments in respect of settlements, net defined benefit liability (asset) (41) (29)
Other total (41) (29)
Net defined benefit liability (asset), ending balance 84 120
Other post-retirement benefit plan | Fair value of plan assets    
Disclosure of net defined benefit liability (asset) [line items]    
Net defined benefit liability (asset), beginning balance 0 0
Included in profit or loss    
Interest cost (income) 0 0
Employee future benefit plan expense 0 0
Actuarial loss (gain) arising from:    
Demographic assumptions 0 0
Financial assumptions 0 0
Experience adjustment 0 0
Remeasurement (gains) losses 0 0
Other    
Contributions paid by the employer (41) (29)
Payments in respect of settlements, net defined benefit liability (asset) 41 29
Other total 0 0
Net defined benefit liability (asset), ending balance $ 0 $ 0