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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Summary of Reconciliation of Numerators and Denominators Used in Basic and Diluted Per Share Computations | We present below a reconciliation of the numerators and denominators we used in the basic and diluted per share computations for our Class A common stock:
|  | Year Ended December 31, |
(in thousands, except per share amounts) |  | 2019 |  |  | 2018 |  |  | 2017 |
Basic earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Allocation of net income (loss) |  | $ | 38,718 |  |  | $ | (26,691 | ) |  | $ | 5,879 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding |  |  | 22,986 |  |  |  | 22,705 |  |  |  | 21,799 |
Basic earnings (loss) per share |  | $ | 1.68 |  |  | $ | (1.18 | ) |  | $ | 0.27 |
Diluted earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Allocation of net income (loss) |  | $ | 38,718 |  |  | $ | (26,691 | ) |  | $ | 5,879 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Number of shares used in basic computation |  |  | 22,986 |  |  |  | 22,705 |  |  |  | 21,799 |
Weighted-average effect of dilutive securities |  |  |  |  |  |  |  |  |  |  |  |
Add: Director and employee stock options |  |  | 211 |  |  |  | — |  |  |  | 843 |
Number of shares used in per share computations |  |  | 23,197 |  |  |  | 22,705 |  |  |  | 22,642 |
Diluted earnings (loss) per share |  | $ | 1.67 |  |  | $ | (1.18 | ) |  | $ | 0.26 |
We used the following information in the basic and diluted per share computations for our Class B common stock:
|  | Year Ended December 31, |
(in thousands, except per share amounts) |  | 2019 |  |  | 2018 |  |  | 2017 |
Basic and diluted earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Allocation of net income (loss) |  | $ | 8,434 |  |  | $ | (6,069 | ) |  | $ | 1,237 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding |  |  | 5,577 |  |  |  | 5,577 |  |  |  | 5,577 |
Basic and diluted earnings (loss) per share |  | $ | 1.51 |  |  | $ | (1.09 | ) |  | $ | 0.22 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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