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Stock Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2017
Stock-Based Compensation [Abstract] |
Summary of Stock Option Activity [Table Text Block] |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Weighted |  |  |  |  |
﻿ |  |  | Average Exercise |  | Weighted Average |  | Aggregate
﻿ |  |  | Price |  | Remaining |  | Intrinsic Value
﻿ | Options |  | Per Share |  | Contractual Term |  | ($000)
﻿ |  |  |  |  |  |  |  |  |  |
﻿Outstanding at January 1, 2017 | 160,429 |  | $ | 27.37 |  | 5.6 | Yrs. |  | $ | 932
﻿Granted | - |  |  | - |  | - |  |  |  | -
﻿Exercised | (14,200) |  |  | 26.85 |  | 4.5 | Yrs. |  |  | -
﻿Forfeited | (1,000) |  |  | 28.55 |  | 8.8 | Yrs. |  |  | -
﻿Outstanding at March 31, 2017 | 145,229 |  | $ | 27.42 |  | 5.4 | Yrs. |  | $ | 1,969
﻿ |  |  |  |  |  |  |  |  |  |
﻿Exercisable at March 31, 2017 | 129,229 |  | $ | 26.66 |  | 4.9 | Yrs. |  | $ | 1,969
﻿
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
﻿ |  |  |  |
﻿ | 2017
﻿ |  |  |  | Weighted-Average
﻿ | Number of |  |  | Grant Date
﻿ | Restricted Stock |  |  | Fair Value
﻿Non-vested, January 1, | 18,690 |  | $ | 30.96
﻿Granted | - |  |  | -
﻿Vested | - |  |  | -
﻿Forfeited | - |  |  | -
﻿Non-vested, March 31, | 18,690 |  | $ | 30.96
﻿

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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=6415400&loc=d3e5070-113901 + Details
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- 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
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- References No definition available. + Details
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