XML 48 R23.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Stock Options (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2015
Stock Options |
Summary of option activity under stock option plans |
|  | Number of Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value ($) |
|  |  |  |  |  |  |  | (Dollars in Thousands) |
Options outstanding at December 31, 2014 |  | 993,889 |  | $ | 18.94 |  |  |  |  |
Plus: Options granted |  | 10,000 |  | 24.92 |  |  |  |  |
Less: |  |  |  |  |  |  |  |  |
Options exercised |  | 40,760 |  | 16.01 |  |  |  |  |
Options expired |  | 44,075 |  | 26.73 |  |  |  |  |
Options forfeited |  | 19,221 |  | 16.92 |  |  |  |  |
Options outstanding at June 30, 2015 |  | 899,833 |  | 18.76 |  | 6.71 |  | $ | 7,297 |
Options fully vested and exercisable at June 30, 2015 |  | 218,834 |  | $ | 14.53 |  | 3.16 |  | $ | 2,700 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration