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Quarterly Information | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Information (unaudited) | Quarterly information (unaudited)
(Expressed in thousands, except per share amounts) |  |  |  |  |  |
|  | Fiscal Quarters |  |
For the Year Ended December 31, 2020 |  | Fourth |  | Third |  | Second |  | First |  | Year
Revenue |  | $ | 422,908 |  |  | $ | 276,259 |  |  | $ | 264,730 |  |  | $ | 234,770 |  |  | $ | 1,198,667 |
Expenses |  | 309,113 |  |  | 254,541 |  |  | 241,466 |  |  | 224,547 |  |  | 1,029,667 |
Income before income taxes |  | 113,795 |  |  | 21,718 |  |  | 23,264 |  |  | 10,223 |  |  | 169,000 |
Income taxes |  | 31,915 |  |  | 6,079 |  |  | 5,615 |  |  | 2,405 |  |  | 46,014 |
Net income |  | $ | 81,880 |  |  | $ | 15,639 |  |  | $ | 17,649 |  |  | $ | 7,818 |  |  | $ | 122,986 |
Basic net income per share |  | $ | 6.56 |  |  | $ | 1.25 |  |  | $ | 1.40 |  |  | $ | 0.61 |  |  | $ | 9.73 |
Diluted net income per share |  | $ | 6.17 |  |  | $ | 1.19 |  |  | $ | 1.34 |  |  | $ | 0.58 |  |  | $ | 9.30 |
Dividends paid per share |  | $ | 1.12 |  |  | $ | 0.12 |  |  | $ | 0.12 |  |  | $ | 0.12 |  |  | $ | 1.48 |
Market price of Class A Stock (1) |  |  |  |  |  |  |  |  |  |
High |  | $ | 33.21 |  |  | $ | 26.11 |  |  | $ | 24.42 |  |  | $ | 28.38 |  |  | $ | 33.21 |
Low |  | $ | 22.29 |  |  | $ | 20.33 |  |  | $ | 17.20 |  |  | $ | 14.88 |  |  | $ | 14.88 |
(1) The price quotations above were obtained from the New York Stock Exchange website.
(Expressed in thousands, except per share amounts) |  |  |  |  |  |
|  | Fiscal Quarters |  |
For the Year Ended December 31, 2019 |  | Fourth |  | Third |  | Second |  | First |  | Year
Revenue |  | $ | 295,881 |  |  | $ | 234,793 |  |  | $ | 250,935 |  |  | $ | 251,770 |  |  | $ | 1,033,379 |
Expenses |  | 260,908 |  |  | 228,297 |  |  | 233,544 |  |  | 235,718 |  |  | 958,467 |
Income before income taxes |  | 34,973 |  |  | 6,496 |  |  | 17,391 |  |  | 16,052 |  |  | 74,912 |
Income taxes |  | 9,538 |  |  | 2,547 |  |  | 5,016 |  |  | 4,858 |  |  | 21,959 |
Net income |  | $ | 25,435 |  |  | $ | 3,949 |  |  | $ | 12,375 |  |  | $ | 11,194 |  |  | $ | 52,953 |
Basic net income per share |  | $ | 1.99 |  |  | $ | 0.31 |  |  | $ | 0.95 |  |  | $ | 0.86 |  |  | $ | 4.10 |
Diluted net income per share |  | $ | 1.83 |  |  | $ | 0.29 |  |  | $ | 0.89 |  |  | $ | 0.81 |  |  | $ | 3.82 |
Dividends paid per share |  | $ | 0.12 |  |  | $ | 0.12 |  |  | $ | 0.11 |  |  | $ | 0.11 |  |  | $ | 0.46 |
Market price of Class A Stock (1) |  |  |  |  |  |  |  |  |  |
High |  | $ | 29.25 |  |  | $ | 31.30 |  |  | $ | 27.42 |  |  | $ | 28.73 |  |  | $ | 31.30 |
Low |  | $ | 27.09 |  |  | $ | 26.42 |  |  | $ | 24.34 |  |  | $ | 25.25 |  |  | $ | 24.34 |
(1) The price quotations above were obtained from the New York Stock Exchange website.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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