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Earnings Per Share (EPS Computations) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Less: Earnings allocated to unvested restricted stock | $ 16,402 | $ 12,933
Income attributable to common stockholders | (15) | (27)
Income attributable to common stockholders | $ 16,387 | $ 12,906
Denominator [Abstract] |  |
Denominator for basic earnings per common share - weighted average shares outstanding | 15,244 | 17,965
Weighted average number of common and common equivalent shares outstanding for diluted EPS computation | 16,369 | 18,199
Basic and Diluted earnings per common share: |  |
Continuing operations (in dollars per Share) | $ 1.07 | $ 0.72
Continuing operations (in dollars per Share) | $ 1.00 | $ 0.71
Stock options |  |
Denominator [Abstract] |  |
Effect of dilutive securities, share options (in shares) | 409 | 234
Performance awards |  |
Denominator [Abstract] |  |
Effect of dilutive securities, share options (in shares) | 716 | 0

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