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Net income Per Share (Tables) | 3 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table reconciles basic net income per share of the Company's common stock to diluted net income per share for the three and six months ended June 30, 2021 and 2020, respectively:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands, except per share amounts) | 2021 |  | 2020 |  | 2021 |  | 2020
Net income available to common stockholders | $ | 72,483 |  |  | $ | 53,479 |  |  | $ | 122,872 |  |  | $ | 90,305 |
Basic weighted-average shares outstanding | 43,434 |  |  | 43,471 |  |  | 43,406 |  |  | 43,787 |
Dilutive effect of potential common stock equivalents — restricted stock units | 207 |  |  | 192 |  |  | 214 |  |  | 193 |
Diluted weighted-average shares outstanding | 43,641 |  |  | 43,663 |  |  | 43,620 |  |  | 43,980 |
Net income per common share: |  |  |  |  |  |  |
Basic | $ | 1.67 |  |  | $ | 1.23 |  |  | $ | 2.83 |  |  | $ | 2.06 |
Diluted | $ | 1.66 |  |  | $ | 1.22 |  |  | $ | 2.82 |  |  | $ | 2.05 |

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- References No definition available. + Details
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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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