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STOCK-BASED COMPENSATION PLANS (Tables) | 9 Months Ended
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Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share Based Compensation Arrangement By Share Based Payment Award Grants in Period Fair Value Assumptions |
|  | Nine Months Ended |
|  | September 30, |
|  | 2019 |  | 2018 |
Dividend yield |  |  | 2.86 | % |  | 2.80 | %
Expected volatility |  |  | 23.80 |  |  | 27.53 |
Risk-free interest rate |  |  | 2.52 |  |  | 2.67 |
Expected option life |  |  | 6.0 | years |  | 6.5 | years
Schedule of company's stock options |
|  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  | Weighted |  | Average |  |  |  |
|  | Number |  | Average |  | Remaining |  |  | Aggregate
|  | of |  | Exercise |  | Contractual |  |  | Intrinsic
(Dollars in thousands, except per share amounts) |  | Options |  | Price |  | Life |  |  | Value
Outstanding, January 1, 2019 |  | 47,393 |  | $ | 36.19 |  |  |  |  |  |  |
Granted |  | 63,267 |  |  | 35.35 |  |  |  |  |  |  |
Outstanding, September 30, 2019 |  | 110,660 |  |  | 35.71 |  |  | 8.9 | years |  | $ | —
Vested and Exercisable, September 30, 2019 |  | 15,795 |  |  | 36.19 |  |  | 8.4 | years |  |  | —
|  | Number of |  | Exercise
Range of Exercise Prices |  | Options |  | Price
$35.35 |  | 63,267 |  | $ | 35.35
36.19 |  | 47,393 |  |  | 36.19
|  | 110,660 |  |  |
Restricted stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of status of unvested restricted stock |
|  |  |  | Weighted
|  |  |  | Average Grant-Date
|  | Shares |  | Fair Value
Unvested, January 1, 2019 |  | 324,882 |  | $ | 29.13
Granted |  | 78,952 |  |  | 31.92
Vested |  | (89,920) |  |  | 27.17
Forfeited |  | (17,020) |  |  | 30.70
Unvested, September 30, 2019 |  | 296,894 |  |  | 30.37
Restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of status of unvested restricted stock |
|  |  |  | Weighted
|  |  |  | Average Grant-Date
|  | Shares |  | Fair Value
Unvested, January 1, 2019 |  | 79,238 |  | $ | 27.36
Granted |  | 22,305 |  |  | 33.42
Reinvested dividends |  | 1,935 |  |  | 28.85
Forfeited |  | (16,184) |  |  | 23.34
Vested |  | (2,573) |  |  | 32.90
Unvested, September 30, 2019 |  | 84,721 |  |  | 29.59

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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