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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
EARNINGS PER SHARE |
Reconciliation of Basic and Diluted Earnings Per Share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Income |  | Shares |  | Per Share |
​ | ​ | (Numerator) | ​ | (Denominator) | ​ | Amount |
For the Year Ended December 31, 2019 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic EPS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income available to common stockholders | ​ | $ | 242,202 |  | 63,574 | ​ | $ | 3.81 | ​
Effect of Dilutive Securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | ​ |  | 2,344 | ​ | ​ | ​ | ​
Restricted stock | ​ |  | ​ |  | 232 | ​ | ​ | ​ | ​
Diluted EPS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income available to common stockholders | ​ | $ | 242,202 |  | 66,150 | ​ | $ | 3.66 | ​
For the Year Ended December 31, 2018 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic EPS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income available to common stockholders | ​ | $ | 194,745 |  | 62,437 | ​ | $ | 3.12 | ​
Effect of Dilutive Securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | ​ |  | 2,440 | ​ | ​ | ​ | ​
Restricted stock | ​ |  | ​ |  | 81 | ​ | ​ | ​ | ​
Diluted EPS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income available to common stockholders | ​ | $ | 194,745 |  | 64,958 | ​ | $ | 3.00 | ​
For the Year Ended December 31, 2017 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic EPS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income available to common stockholders | ​ | $ | 220,030 |  | 62,435 | ​ | $ | 3.52 | ​
Effect of Dilutive Securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | ​ |  | 2,106 | ​ | ​ | ​ | ​
Restricted stock | ​ |  | ​ |  | 55 | ​ | ​ | ​ | ​
Diluted EPS | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income available to common stockholders | ​ | $ | 220,030 |  | 64,596 | ​ | $ | 3.41 | ​

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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