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Earnings Per Common Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Earnings Per Common Share [Text Block] | Earnings Per Common Share The Company applies the two-class method of computing basic and diluted EPS. Under the two-class method, EPS is determined for each class of common stock and participating security according to dividends declared and participation rights in undistributed earnings. The Company has issued restricted shares under share-based compensation plans which qualify as participating securities. The following table sets forth the computation of basic and diluted EPS for the periods indicated:
|  | Years Ended December 31,
|  | 2021 |  | 2020 |  | 2019
|  | (in thousands except per share amounts)
Basic EPS: |  |  |  |  |  |
Net income |  | $ | 202,820 |  |  | $ | 154,244 |  |  | $ | 194,451 |
Less: Earnings allocated to participating securities |  |  |  |  |  |
Nonvested restricted shares |  | 330 |  |  | 712 |  | 1,530
Earnings allocated to common shareholders |  | $ | 202,490 |  |  | $ | 153,532 |  |  | $ | 192,921 |
Weighted average common shares outstanding |  | 72,683 |  |  | 70,835 |  | 71,999
Basic earnings per common share |  | $ | 2.79 |  |  | $ | 2.17 |  |  | $ | 2.68 |
Diluted EPS: |  |  |  |  |  |
Earnings allocated to common shareholders |  | $ | 202,490 |  |  | $ | 153,532 |  |  | $ | 192,921 |
Weighted average common shares outstanding |  | 72,683 |  |  | 70,835 |  |  | 71,999 |
Dilutive effect of equity awards and warrants |  | 190 |  |  | 45 |  |  | 33 |
Weighted average diluted common shares outstanding |  | 72,873 |  |  | 70,880 |  |  | 72,032 |
Diluted earnings per common share |  | $ | 2.78 |  |  | $ | 2.17 |  |  | $ | 2.68 |
Potentially dilutive RSAs and RSUs that were not included in the computation of diluted EPS because to do so would be anti-dilutive |  | 212 |  |  | 289 |  |  | 8 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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