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Stock Options (Tables) | 12 Months Ended
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Dec. 31, 2015
Stock Options |
Schedule of Black-Scholes-Merton option valuation model assumptions |
|  | 2015 |  | 2014 |
Expected Life (Years) |  | 7.61 |  | 7.63 |
Dividend yield |  | 2.36 | % | 2.01 | %
Interest rate |  | 1.91 | % | 2.28 | %
Volatility |  | 46.52 | % | 47.36 | %
Summary of option activity under stock option plans |
|  |  |  |  |  |  | Weighted |  |  |
|  |  |  | Weighted |  | average |  |  |
|  |  |  | average |  | remaining |  | Aggregate
|  | Number of |  | exercise |  | contractual |  | intrinsic
|  | options |  | price |  | term (years) |  | value ($)
|  |  |  |  |  |  |  |  | (in Thousands)
Options outstanding at December 31, 2014 |  | 993,889 |  | $ | 18.94 |  |  |  |  |
Plus: Options granted |  | 56,500 |  |  | 24.24 |  |  |  |  |
Less: |  |  |  |  |  |  |  |  |  |
Options exercised |  | 82,241 |  |  | 17.15 |  |  |  |  |
Options expired |  | 44,075 |  |  | 26.73 |  |  |  |  |
Options forfeited |  | 52,346 |  |  | 18.52 |  |  |  |  |
Options outstanding at December 31, 2015 |  | 871,727 |  |  | 19.08 |  | 6.66 |  | $ | 5,769
Options fully vested and exercisable at December 31, 2015 |  | 212,821 |  | $ | 13.99 |  | 3.38 |  | $ | 2,492
Schedule of other information pertaining to option activity |
|  | Twelve Months Ended December 31, |
|  | 2015 |  | 2014 |  | 2013 |
Weighted average grant date fair value of stock options granted |  | $ | 9.42 |  | $ | 9.07 |  | $ | 9.05 |
Total fair value of stock options vested |  | $ | 872,000 |  | $ | 376,000 |  | $ | 480,000 |
Total intrinsic value of stock options exercised |  | $ | 781,000 |  | $ | 468,000 |  | $ | 171,000 |

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- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&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 stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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