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Stock-Based Compensation Plans (Tables) | 6 Months Ended
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Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Compensation Expense (in thousands |
|  | Three Months ended |  | Six Months ended |
|  | June 30, |  | June 30, |
|  | 2017 |  | 2016 |  | 2017 |  | 2016 |
Stock option grants |  | $ | 33 |  |  |  | 32 |  |  |  | 110 |  |  |  | 63 |
Annual director stock award |  |  | — |  |  |  | — |  |  |  | 445 |  |  |  | 412 |
|  | $ | 33 |  |  |  | 32 |  |  |  | 555 |  |  |  | 475 |
Summary of Stock Activity (in thousands, except share and per share amounts) |
|  |  | Weighted |  | Weighted |  | Weighted
| Number |  | Average |  | Average |  | Average
| Of |  | Exercise |  | Remaining |  | Grant Date
Options | Shares |  | Price |  | Term (yrs) |  | Fair Value(000's)
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 1, 2017 |  | 236,385 |  |  | $ | 25.35 |  |  |  | 6.1 |  |  | $ | 2,440 |
Granted |  | 4,555 |  |  | $ | 37.55 |  |  |  |  |  |  | $ | 75 |
Modification |  | — |  |  | $ | 30.21 |  |  |  |  |  |  | $ | (137 | )
Exercised |  | (79,630 | ) |  | $ | 25.48 |  |  |  |  |  |  | $ | (756 | )
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2017 |  | 161,310 |  |  | $ | 25.63 |  |  |  | 5.7 |  |  | $ | 1,622 |
Exercisable at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2017 |  | 119,020 |  |  | $ | 23.66 |  |  |  | 4.9 |  |  | $ | 1,038 |
Vested during |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
six months ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2017 |  | 26,839 |  |  |  |  |  |  |  |  |  |  | $ | 223 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 + 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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