XML 47 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity | The following summarizes the stock option transactions for the Second Restated 2005 Plan, and the 2003 Plan for the year ended December 31:
|  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  |  |  |  | Average |  |  |  |
|  |  |  |  | Weighted |  | Remaining |  | Aggregate |
|  | Number of |  | Average |  | Contractual |  | Intrinsic |
|  | Options |  | Exercise Price |  | Term (Years) |  | Value |
Outstanding at January 1, 2015 |  |  | 213,170 |  | $ | 31.79 |  |  | 1.2 |  | $ | 2,519,147 |
Granted |  |  | — |  |  | — |  |  |  |  |  |  |
Exercised |  |  | (125,354) |  |  | 27.09 |  |  |  |  |  |  |
Forfeited/canceled/expired |  |  | (58,781) |  |  | 43.47 |  |  |  |  |  |  |
Outstanding at December 31, 2015 |  |  | 29,035 |  | $ | 28.47 |  |  | 1.4 |  | $ | 289,769 |
Granted |  |  | — |  |  | — |  |  |  |  |  |  |
Exercised |  |  | — |  |  | — |  |  |  |  |  |  |
Forfeited/canceled/expired |  |  | — |  |  | — |  |  |  |  |  |  |
Outstanding at December 31, 2016 |  |  | 29,035 |  | $ | 28.47 |  |  | 0.4 |  | $ | 633,834 |
Granted |  |  | — |  |  | — |  |  |  |  |  |  |
Exercised |  |  | (29,035) |  |  | 28.47 |  |  |  |  |  |  |
Forfeited/canceled/expired |  |  | — |  |  | — |  |  |  |  |  |  |
Outstanding at December 31, 2017 |  |  | — |  | $ | — |  |  | — |  | $ | — |
Vested and Exercisable at December 31, 2017 |  |  | — |  | $ | — |  |  | — |  | $ | — |
Summary of restricted stock transactions | The following summarizes the restricted stock transactions for the year ended December 31:
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  |  |  |  | Grant Date |
|  | Shares |  | Fair Value |
Outstanding at January 1, 2015 |  |  | 89,832 |  | $ | 41.20 |
Granted |  |  | 55,081 |  |  | 40.09 |
Vested |  |  | (36,142) |  |  | 42.11 |
Forfeited/canceled/expired |  |  | (1,982) |  |  | 43.62 |
Outstanding at December 31, 2015 |  |  | 106,789 |  | $ | 40.28 |
Granted |  |  | 48,471 |  |  | 48.60 |
Vested |  |  | (51,368) |  |  | 41.20 |
Forfeited/canceled/expired |  |  | (630) |  |  | 38.83 |
Outstanding at December 31, 2016 |  |  | 103,262 |  | $ | 43.73 |
Granted |  |  | 48,780 |  |  | 44.20 |
Vested |  |  | (54,598) |  |  | 42.13 |
Forfeited/canceled/expired |  |  | (805) |  |  | 46.23 |
Non-vested and outstanding at December 31, 2017 |  |  | 96,639 |  | $ | 44.85 |
Weighted average remaining contractual life (in years) |  |  | 2.2 |  |  |  |

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 grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: 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=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration