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Equity and EPS - Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 11, 2017 | Sep. 08, 2017 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Equity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends declared (in dollars per share) | $ 0.04 | $ 0.85 | $ 0.10 | $ 0.10 | $ 0.10 | $ 0.10 | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.40 | $ 0.32 | $ 1.01
Dividends paid (in dollars per share) | $ 0.04 | $ 0.85 | $ 0.10 | $ 0.10 | $ 0.10 | $ 0.10 | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.40 | $ 0.32 | $ 1.01
Dividend payment | $ 669 | $ 14,215 | $ 1,703 | $ 1,703 | $ 1,702 | $ 1,701 | $ 1,349 | $ 1,348 | $ 1,348 | $ 1,348 | $ 669 | $ 668 | $ 668 | $ 6,809 | $ 5,393 | $ 16,889
Dividend equivalent payment | 19 | 413 | 12 | 11 | 11 | 13 | 26 | 27 | 27 | 27 | 19 | 20 | 20 | 47 | 107 | 491
Total payment | $ 688 | $ 14,628 | $ 1,715 | $ 1,714 | $ 1,713 | $ 1,714 | $ 1,375 | $ 1,375 | $ 1,375 | $ 1,375 | $ 688 | $ 688 | $ 688 | $ 6,856 | $ 5,500 | $ 17,380

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