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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Sep. 11, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Sep. 10, 2018
Numerator for Earnings per Share Basic and Diluted: |  |  |  |  |
Net income |  | $ 22,928 | $ 26,163 |  |
Less: Income allocated to participating shares |  | 62 | 80 |  |
Net Income Allocated to Shareholders |  | 22,866 | 26,083 |  |
Net Income Available to Shareholders |  | $ 22,928 | $ 26,163 |  |
Denominators for Earnings per Share: |  |  |  |  |
Weighted Average Shares Outstanding—Basic (in shares) |  | 34,414,555 | 34,756,726 |  |
Add: Potentially dilutive shares (in shares) |  | 128,256 | 242,439 |  |
Denominator for Treasury Stock Method—Diluted (in shares) |  | 34,542,811 | 34,999,165 |  |
Weighted Average Shares Outstanding—Basic (in shares) |  | 34,414,555 | 34,756,726 |  |
Add: Average participating shares outstanding (in shares) |  | 92,659 | 106,722 |  |
Denominator for Two-Class Method—Diluted (in shares) |  | 34,507,214 | 34,863,448 |  |
Earnings per share—basic (in dollars per share) |  | $ 0.67 | $ 0.75 |  |
Earnings per share—diluted (in dollars per share) |  | 0.66 | 0.75 |  |
Repurchase of warrant | $ 7,700 |  |  |  |
Number of shares of common stock that holder of warrants have right to purchase (in shares) |  |  |  |  | 517,012
Anti-dilutive warrants—exercise price (in dollars per share) |  | $ 31.53 | $ 31.53 |  | $ 31.53
Warrants |  |  |  |  |
Denominators for Earnings per Share: |  |  |  |  |
Anti-dilutive excluded from potentially dilutive shares (in shares) |  | 0 | 400,722 | [1] |
Restricted Stock |  |  |  |  |
Denominators for Earnings per Share: |  |  |  |  |
Anti-dilutive excluded from potentially dilutive shares (in shares) |  | 68,314 | 90,298 |  |
[1] | We repurchased our outstanding warrant on September 11, 2018 for $7.7 million. Prior to the repurchase, the warrant provided the holder the right to 517,012 shares of common stock at a strike price of $31.53 per share via cashless exercise.

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