Changes in Equity - Parenthetical (Details) - $ / shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Stockholders' Equity Note [Abstract] | ||||
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.31 | $ 0.42 | $ 0.84 | $ 0.61 |