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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
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Mar. 31, 2019
Accounting Policies [Abstract] |
Schedule of stock option plans, changes in options outstanding | For the Company’s stock option plans, changes in options outstanding during the three months ended March 31, 2019 were as follows:
|  |  |  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  | Aggregate |
|  |  |  |  |  | Average |  |  | Remaining |  | Intrinsic |
|  | Number of |  |  | Exercise |  |  | Contractual |  | Value |
|  | Options |  |  | Price |  |  | Term |  | (In thousands) |
Balance, January 1, 2019 |  |  | 91,310 |  |  | $ | 13.63 |  |  |  |  |  |  |
Exercised during 2019 |  |  | (300 | ) |  |  | 12.98 |  |  |  |  |  |  |
Expired during 2019 |  |  | (630 | ) |  |  | 22.57 |  |  |  |  |  |  |
Forfeited during 2019 |  |  | — |  |  |  | — |  |  |  |  |  |  |
Balance, March 31, 2019 |  |  | 90,380 |  |  | $ | 13.57 |  |  | 2.47 years |  | $ | 1,143 |
Vested and expected to vest |  |  | 90,380 |  |  | $ | 13.57 |  |  | 2.47 years |  | $ | 1,143 |
Exercisable at March 31, 2019 |  |  | 90,380 |  |  | $ | 13.57 |  |  | 2.47 years |  | $ | 1,143 |
Schedule of changes in nonvested performance-based shares | Changes in non-vested shares dependent on performance criteria for the three months ended March 31, 2019 were as follows:
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Balance, January 1, 2019 |  |  | 42,998 |  |  | $ | 35.33 |
Granted during 2019 |  |  | 47,770 |  |  |  | 26.34 |
Balance, March 31, 2019 |  |  | 90,768 |  |  | $ | 30.60 |
Schedule of changes in nonvested shares | Changes in service-based restricted stock awards/units for the three months ended March 31, 2019 were as follows:
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Balance, January 1, 2019 |  |  | 366,541 |  |  | $ | 30.64 |
Granted during 2019 |  |  | 194,742 |  |  |  | 26.38 |
Vested during 2019 |  |  | (138,399 | ) |  |  | 27.39 |
Forfeited during 2019 |  |  | — |  |  |  | — |
Balance, March 31, 2019 |  |  | 422,884 |  |  | $ | 29.75 |
Schedule of calculation of basic and diluted earnings per share | The following is a reconciliation of the calculation of basic and diluted earnings per share. Basic net income per share is calculated by dividing net income available to shareholders by the weighted average shares outstanding during the reporting period. Diluted net income per share is computed similarly to that of basic net income per share, except that the denominator is increased to include the number of additional shares that would have been outstanding utilizing the Treasury Stock Method if all shares underlying potentially dilutive stock options were issued and all restricted stock, stock warrants or restricted stock units were to vest during the reporting period.
| Three Months Ended |
| March 31, |
(Dollars in thousands, except per share data) | 2019 |  |  | 2018 |
Net income available to common shareholders | $ | 11,425 |  |  | $ | 10,807 |
Basic weighted-average shares outstanding |  | 19,350,452 |  |  |  | 18,608,309 |
Plus: common stock equivalents |  | 307,554 |  |  |  | 300,383 |
Diluted weighted-average shares outstanding |  | 19,658,006 |  |  |  | 18,908,692 |
Net income per share |  |  |  |  |  |  |
Basic | $ | 0.59 |  |  | $ | 0.58 |
Diluted |  | 0.58 |  |  |  | 0.57 |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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