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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2019
EARNINGS PER SHARE |
Schedule of computation of basic and diluted earnings (loss) per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | ​ | September 30 | ​ | September 30 | ​
​ |  | 2019 |  | 2018 |  | 2019 |  | 2018 |
​ | ​ | (in thousands, except share and per share data) | ​
Basic | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 16,270 | ​ | $ | 40,776 | ​ | $ | 45,534 | ​ | $ | 51,963 | ​
Effect of unvested restricted stock awards | ​ |  | (2) | ​ |  | (98) | ​ |  | (28) | ​ |  | (128) | ​
Adjusted net income | ​ | $ | 16,268 | ​ | $ | 40,678 | ​ | $ | 45,506 | ​ | $ | 51,835 | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average shares | ​ |  | 25,527,982 | ​ |  | 25,697,509 | ​ |  | 25,550,365 | ​ |  | 25,670,435 | ​
Earnings per common share | ​ | $ | 0.64 | ​ | $ | 1.58 | ​ | $ | 1.78 | ​ | $ | 2.02 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 16,270 | ​ | $ | 40,776 | ​ | $ | 45,534 | ​ | $ | 51,963 | ​
Effect of unvested restricted stock awards | ​ |  | (2) | ​ |  | (94) | ​ |  | (28) | ​ |  | (124) | ​
Adjusted net income | ​ | $ | 16,268 | ​ | $ | 40,682 | ​ | $ | 45,506 | ​ | $ | 51,839 | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average shares | ​ |  | 25,527,982 | ​ |  | 25,697,509 | ​ |  | 25,550,365 | ​ |  | 25,670,435 | ​
Effect of dilutive securities | ​ |  | 888,613 | ​ |  | 1,098,150 | ​ |  | 911,303 | ​ |  | 1,037,824 | ​
Adjusted weighted-average shares and assumed conversions | ​ |  | 26,416,595 | ​ |  | 26,795,659 | ​ |  | 26,461,668 | ​ |  | 26,708,259 | ​
Earnings per common share | ​ | $ | 0.62 | ​ | $ | 1.52 | ​ | $ | 1.72 | ​ | $ | 1.94 | ​

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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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