Stock-Based Compensation (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2018 $ / shares shares	Jun. 30, 2018 $ / shares shares
Options
Outstanding at beginning of year \| shares	0	152,080
Grants \| shares	0	15,000
Exercised \| shares	0	0
Outstanding at quarter end \| shares	167,080	167,080
Exercisable at quarter end \| shares	0	0
Weighted Average Exercise Price Per Share
Outstanding at beginning of year \| $ / shares	$ 0	$ 16.72
Grants \| $ / shares	0	17.52
Exercised \| $ / shares	0	0
Outstanding at quarter end \| $ / shares	16.79	16.79
Exercisable at quarter end \| $ / shares	$ 0	$ 0

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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