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Earnings per Share Earnings per Share (Notes) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings per Share Net income is divided by the weighted average number of common shares outstanding during the year to calculate basic earnings per share. Diluted earnings per share is calculated to give effect to stock options and RSUs. The following table summarizes the dilutive effect of restricted shares and options to purchase common stock:
|  | Year ended December 31,
|  | 2019 |  | 2018 |  | 2017
Weighted average common shares—basic |  | 45,303,659 |  |  | 45,824,555 |  |  | 45,682,627 |
Dilutive effect of restricted share awards |  | 224,946 |  |  | 242,204 |  |  | 241,974 |
Dilutive effect of stock options |  | 66,549 |  |  | 103,705 |  |  | 65,651 |
Weighted average common shares—diluted |  | 45,595,154 |  |  | 46,170,464 |  |  | 45,990,252 |
In November 2019, the Company announced that its Board of Directors increased the Company's common stock share repurchase authorization to $150 million. The initial authorization, approved in November 2015, authorized up to $50 million in the aggregate of its common stock. During 2019 and 2018, the Company purchased 1,230,050 and 442,632 shares of its outstanding common stock for approximately $36.7 million and $12.1 million, respectively. The Company did not purchase any shares of its outstanding common stock during 2017.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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