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Stockholders' Equity and Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Equity [Abstract] |
Schedule of Earnings Per Share | The weighted average number of shares of Class A common stock and Class B common stock outstanding used to calculate basic and diluted earnings per share were as follows:
| 2019 |  | 2018
Basic weighted average shares outstanding | 6,974 |  |  | 6,924 |
Dilutive effect of restricted stock awards | 33 |  |  | 36 |
Diluted weighted average shares outstanding | 7,007 |  |  | 6,960 |
Basic earnings per share | $ | 5.68 |  |  | $ | 5.02 |
Diluted earnings per share | $ | 5.66 |  |  | $ | 5.00 |

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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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