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Share-Based Compensation Plans (Tables) | 3 Months Ended
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Mar. 31, 2018
Share-Based Compensation Plans [Abstract] |
Summary Of Restricted Stock Units And Performance Share Units Activity |
|  |  |  | Weighted |
|  |  |  | Average |
|  | Number of |  | Per Share |
|  | Underlying |  | Grant Date |
|  | Shares |  | Fair Value |
| RSUs | 29,905 | $ | 28.38 |
| PSUs | 14,855 |  | 27.25 |
Summary Of Stock Option Activity |
|  |  |  |  | Weighted |  |
|  |  |  | Weighted | Average |  |
|  |  |  | Average | Remaining |  | Aggregate
| Number of |  |  | Exercise | Contractual |  | Intrinsic
| Options |  |  | Price | Term |  | Value
Outstanding at beginning of year | 22,199 |  | $ | 18.40 |  |  |
Exercised | (4,000 | ) |  | 19.00 |  |  |
Expired | - |  |  | - |  |  |
Outstanding and exercisable at end of period | 18,199 |  | $ | 18.27 | 0.1 | $ | 206
Summary Of Restricted Stock Award Activity |
|  |  |  | Weighted
|  |  |  | Average
|  |  |  | Market
| Number of |  |  | Price at
| Shares |  |  | Grant Date
Outstanding at beginning of year | 130,586 |  | $ | 24.32
Granted | 44,760 |  |  | 28.00
Vested | (15,702 | ) |  | 22.77
Forfeited | (23,901 | ) |  | 10.58
Outstanding at end of period | 135,743 |  | $ | 28.14
Share-Based Compensation Expense Included In Consolidated Statements Of Income |
| Three months ended
| March 31,
|  | 2018 |  | 2017
Salaries and employee benefits | $ | 268 | $ | 207
Other noninterest expense |  | 34 |  | 32
Total share-based compensation expense | $ | 302 | $ | 239

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- Definition Schedule of Share-based Compensation, Restricted Stock Units and Performance Share Units Activity [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + 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 (h)(1) -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 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
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- 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
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- 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
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