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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity | Restricted stock activity for the year ended December 31, 2017 and the six months ended June 30, 2018 was as follows:
|  | Number of Restricted Shares/Units |  | Weighted Average Grant-Date Fair Value
Nonvested balance as of December 31, 2016 |  | 116,245 |  |  | $ | 21.13 |
Granted |  | 71,130 |  |  | 21.67 |
Vested |  | (48,550 | ) |  | 21.51 |
Forfeited |  | (8,384 | ) |  | 21.65 |
Nonvested balance as of December 31, 2017 |  | 130,441 |  |  | 21.43 |
Granted |  | 4,870 |  |  | 25.69 |
Vested |  | (1,868 | ) |  | 23.25 |
Forfeited |  | (7,902 | ) |  | 22.11 |
Nonvested balance as of June 30, 2018 |  | 125,541 |  |  | $ | 21.52 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] | Share-based compensation expense related to restricted stock included in the unaudited Consolidated Statements of Income was as follows:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (In Thousands)
Share-based compensation expense | $ | 220 |  |  | $ | 268 |  |  | $ | 506 |  |  | $ | 544 |

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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 Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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