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Earnings Per Share (EPS Computations) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Less: Earnings allocated to unvested restricted stock | $ 13,046 | $ 5,525 | $ 19,812 | $ 7,725
Income attributable to common stockholders | (18) | (14) | (33) | (23)
Income attributable to common stockholders | $ 13,028 | $ 5,511 | $ 19,779 | $ 7,702
Denominator [Abstract] |  |  |  |
Denominator for basic earnings per common share - weighted average shares outstanding | 17,499,000 | 17,895,000 | 17,809,000 | 17,853,000
Weighted average number of common and common equivalent shares outstanding for diluted EPS computation | 18,246,000 | 17,932,000 | 18,365,000 | 17,893,000
Basic and Diluted earnings per common share: |  |  |  |
Continuing operations (in dollars per Share) | $ 0.74 | $ 0.31 | $ 1.11 | $ 0.43
Continuing operations (in dollars per Share) | $ 0.71 | $ 0.31 | $ 1.08 | $ 0.43
Effect of dilutive securities, Convertible junior subordinated debentures (in shares) | 0 | 3,000 | 0 | 1,000
Stock options |  |  |  |
Denominator [Abstract] |  |  |  |
Effect of dilutive securities, share options (in shares) | 235,000 | 34,000 | 277,000 | 39,000
Basic and Diluted earnings per common share: |  |  |  |
Antidilutive securities excluded from computation of diluted EPS |  | 765,722 |  | 848,513
Performance awards |  |  |  |
Denominator [Abstract] |  |  |  |
Effect of dilutive securities, share options (in shares) | 512,000 | 0 | 279,000 | 0

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