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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings per Share |
Schedule of computations of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, | ​
(dollars in thousands, except shares and per share amounts) |  | 2021 |  | 2020 |  | 2019 |
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 265,735 | ​ | $ | 185,754 | ​ | $ | 284,392 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic: weighted-average shares outstanding | ​ | ​ | 128,963,131 | ​ | ​ | 129,890,225 | ​ | ​ | 133,076,489 | ​
Add: weighted-average equity-based awards | ​ | ​ | 574,791 | ​ | ​ | 329,852 | ​ | ​ | 310,668 | ​
Diluted: weighted-average shares outstanding | ​ | ​ | 129,537,922 | ​ | ​ | 130,220,077 | ​ | ​ | 133,387,157 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per share | ​ | $ | 2.06 | ​ | $ | 1.43 | ​ | $ | 2.14 | ​
Diluted earnings per share | ​ | $ | 2.05 | ​ | $ | 1.43 | ​ | $ | 2.13 | ​

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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=124432515&loc=d3e3550-109257 + Details
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