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Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Numerator (for basic and diluted earnings per share) |  |
Income (loss) from continuing operations, net of tax | $ 3,503 | $ (7,198)
Less preferred stock dividends | (11,643) | 0
Numerator for basic and diluted earnings per share | $ (8,140) | $ (7,198)
Denominator |  |
Basic weighted-average shares outstanding | 81,902 | 81,077
Effect of dilutive securities: |  |
Restricted stock units | 0 | 0
Diluted weighted-average shares outstanding | 81,902 | 81,077

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