Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Statement of Stockholders' Equity [Abstract] | ||||
| Dividends paid (in dollars per share) | $ 0.09000 | $ 0.08000 | $ 0.27000 | $ 0.24000 |