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Earnings Per Common Share and Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings Per Common Share, Basic and Diluted | The following table sets forth the computation of earnings per common share and earnings per common share - assuming dilution:
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
| (Dollars in thousands, except per share data)
Numerator: |  |  |  |  |
Net income available to common stockholders - numerator for earnings per common share | $ | 1,177,269 |  |  | $ | 430,317 |  |  | $ | 637,945 |
Denominator: |  |  |  |  |
Weighted average common shares outstanding | 90,558,121 |  |  | 93,860,378 |  |  | 92,055,035 |
Effect of dilutive securities: |  |  |  |  |
Stock options and deferred compensation agreements | 523,248 |  |  | 271,422 |  |  | 93,014 |
Restricted stock and restricted stock units | 456,759 |  |  | 359,359 |  |  | 244,447 |
Denominator for earnings per common share - assuming dilution | 91,538,128 |  |  | 94,491,159 |  |  | 92,392,496 |
Earnings per common share | $ | 13.00 |  |  | $ | 4.58 |  |  | $ | 6.93 |
Earnings per common share - assuming dilution | $ | 12.86 |  |  | $ | 4.55 |  |  | $ | 6.90 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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