| Concept |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2017-12-31 |
As at 2017-12-31 |
As at 2016-12-31 |
As at 2016-12-31 |
As at 2015-12-31 |
As at 2015-12-31 |
|---|---|---|---|---|---|---|---|---|
| Employees | ||||||||
| Information about reporting company | ||||||||
| Number of employees of reporting company | ||||||||
| Number of employees |
51
xbrli:pure
|
2,451
xbrli:pure
|
39
xbrli:pure
|
2,162
xbrli:pure
|
32
xbrli:pure
|
1,610
xbrli:pure
|
31
xbrli:pure
|
1,542
xbrli:pure
|