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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2020
Accounting Policies [Abstract] |
Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share Calculations | The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share calculations for the three and nine months ended September 30, 2020 and 2019 (dollars in thousands, except per share amounts):
|  | Three months ended September 30, |
|  | 2020 |  | 2019 |
|  | Net Income |  | Weighted Average Common Shares Outstanding |  | Per Share Amount |  | Net Income |  | Weighted Average Common Shares Outstanding |  | Per Share Amount |
Net income |  | $ | 27,143 |  |  |  |  |  |  | $ | 31,399 |  |  |  |  |  |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 27,143 |  |  | 72,519,123 |  |  | $ | 0.37 |  |  | $ | 31,399 |  |  | 64,511,956 |  |  | $ | 0.49 |  |
Dilutive shares |  |  |  | 85,175 |  |  |  |  |  |  | 120,329 |  |  |  |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 27,143 |  |  | 72,604,298 |  |  | $ | 0.37 |  |  | $ | 31,399 |  |  | 64,632,285 |  |  | $ | 0.49 |  |
|  | Nine months ended September 30, |
|  | 2020 |  | 2019 |
|  | Net Income |  | Weighted Average Common Shares Outstanding |  | Per Share Amount |  | Net Income |  | Weighted Average Common Shares Outstanding |  | Per Share Amount |
Net income |  | $ | 56,384 |  |  |  |  |  |  | $ | 86,682 |  |  |  |  |  |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 56,384 |  |  | 67,093,442 |  |  | $ | 0.84 |  |  | $ | 86,682 |  |  | 64,720,642 |  |  | $ | 1.34 |  |
Dilutive shares |  |  |  | 80,434 |  |  |  |  |  |  | 132,341 |  |  |  |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 56,384 |  |  | 67,173,876 |  |  | $ | 0.84 |  |  | $ | 86,682 |  |  | 64,852,983 |  |  | $ | 1.34 |  |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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