XML 46 R11.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Stock-Based Compensation Plans | 3 Months Ended
--- | ---
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Disclosure of Compensation Related Costs, Share-based Payments [Text Block] |
| 7. | Stock-Based Compensation Plans
During the three months ended March 31, 2015, the Company recognized approximately $360,000 of compensation expense associated with stock option and restricted stock awards granted in the years 2011 through 2014. During the three months ended March 31, 2014, the Company recognized approximately $338,000 of compensation expense associated with stock option and restricted stock awards granted in the years 2010 through 2013. The following table summarizes the Company’s stock option activity for the three month period ended March 31, 2015:
|  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  | Weighted |  | Average |  |  |  |
|  |  |  | Average |  | Remaining |  | Aggregate |
|  |  |  | Exercise |  | Contractual |  | Intrinsic |
|  | Shares |  | Price |  | Term (Years) |  | Value* |
Outstanding at December 31, 2014 |  | 1,355,416 |  | $ | 25.36 |  |  |  |  |  |
Exercised |  | (115,416) |  | $ | 18.62 |  |  |  |  |  |
Forfeited or expired |  | (4,875) |  | $ | 26.60 |  |  |  |  |  |
Outstanding at March 31, 2015 |  | 1,235,125 |  | $ | 25.99 |  | 3.9 |  | $ | 4,833,000 |
Exercisable at March 31, 2015 |  | 488,418 |  | $ | 24.85 |  | 2.6 |  | $ | 2,469,000 |
* The aggregate intrinsic value of outstanding and exercisable stock options is defined as the difference between the closing price of the Company's stock on March 31, 2015, the last trading day of the quarter, of $29.90 and the exercise price multiplied by the number of in-the-money outstanding and exercisable stock options. The following table summarizes the Company’s stock option exercise activity for the three months ended March 31, 2015 and 2014:
|  | Three Months Ended March 31, |
|  | 2015 |  | 2014 |
|  | (Dollars in thousands) |
Total intrinsic value of stock options exercised |  | $ | 1,057 |  | $ | 37 |
Cash received from stock option exercises |  | $ | 2,149 |  | $ | 165 |
Income tax benefit from the exercise of stock options |  | $ | 412 |  | $ | 14 |
The following table summarizes the Company’s restricted stock award activity for the three month period ended March 31, 2015:
|  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  | Weighted |  | Average |  |  |  |
|  | Shares of |  | Average |  | Remaining |  | Aggregate |
|  | Restricted |  | Grant Date |  | Contractual |  | Intrinsic |
|  | Stock |  | Fair Value |  | Term (Years) |  | Value* |
Non-vested at December 31, 2014 |  | 54,050 |  | $ | 26.58 |  |  |  |  |  |
Issued |  | - |  |  | - |  |  |  |  |  |
Vested |  | - |  |  | - |  |  |  |  |  |
Forfeited |  | - |  |  | - |  |  |  |  |  |
Non-vested at March 31, 2015 |  | 54,050 |  | $ | 26.58 |  | 2.7 |  | $ | 1,616,000 |
| * | The aggregate intrinsic value of non-vested restricted stock was calculated using the closing price of the Company's stock on March 31, 2015, the last trading day of the quarter, of $29.90 multiplied by the number of non-vested restricted shares outstanding.

X
- Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration