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Share-Based Payments (Tables) | 3 Months Ended
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Mar. 31, 2015
Equity [Abstract] |
Schedule of Nonvested Option Activity |
|  |  |  |  |  | Weighted Average |
|  | Number of Shares |  |  | Grant Date Fair Value |
Nonvested options – beginning of period |  |  | 385,505 |  |  | $ | 7.14 |
Nonvested options granted |  |  | 14,000 |  |  | $ | 6.73 |
Nonvested options vested or forfeited |  |  | (7,085 | ) |  | $ | 6.39 |
Nonvested options – end of period |  |  | 392,420 |  |  | $ | 7.14 |
Schedule of Stock Option Activity |
|  |  |  |  | Weighted Average |
|  | Shares |  |  | Exercise Price |
Outstanding at January 1, 2015 |  |  | 639,495 |  |  | $ | 23.19 |
Options granted |  |  | 14,000 |  |  |  | 25.67 |
Options cancelled |  |  | (2,170 | ) |  |  | 25.49 |
Options exercised |  |  | (4,808 | ) |  |  | 17.14 |
Outstanding at March 31, 2015 |  |  | 646,517 |  |  | $ | 23.28 |
Options exercisable |  |  | 254,097 |  |  | $ | 18.50 |
Options available for future grants |  |  | 316,705 |  |  |  |  |
Summary of Options Exercised |
|  | March 31, |  |  | March 31, |
(In thousands) |  | 2015 |  |  | 2014 |
Cash proceeds from stock options exercised |  | $ | 82 |  |  | $ | 695 |
Tax benefits |  |  | 0 |  |  |  | 0 |
Intrinsic value of stock options exercised |  |  | 66 |  |  |  | 1,455 |
Schedule of Assumptions Used to Estimate Fair Value of Stock Options |
|  | March 31, |  |  | March 31, |
|  | 2015 |  |  | 2014 |
Weighted average expected stock-price volatility |  |  | 34 | % |  |  | 37 | %
Weighted average expected option life |  |  | 5 years |  |  |  | 5 years |
Weighted average risk-free interest rate |  |  | 1.28 | % |  |  | 1.55 | %
Weighted average dividend yield |  |  | 1.8 | % |  |  | 2.8 | %

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- Definition Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period. + 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 (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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)(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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