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Earnings Per Share ("EPS") - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Net income as reported	$ 6,611	$ 5,697	$ 20,640	$ 13,693
Shares outstanding	15,790,611	12,827,803	15,790,611	12,827,803
Impact of weighting shares	(1,023,154)		(2,309,152)	(35,927)
Used in basic EPS, Income	$ 6,611	$ 5,697	$ 20,640	$ 13,693
Used in basic EPS, Shares	14,767,457	12,827,803	13,481,459	12,791,876
Dilutive effect of outstanding
Stock options, Shares	1,084,472	889,429	1,077,584	896,122
Used in dilutive EPS, Income	$ 6,611	$ 5,697	$ 20,640	$ 13,693
Used in dilutive EPS, Shares	15,851,929	13,717,232	14,559,043	13,687,998
Basic earnings per common share	$ 0.45	$ 0.44	$ 1.53	$ 1.07
Diluted earnings per common share	$ 0.42	$ 0.42	$ 1.42	$ 1.00

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Weighted average number of shares impact.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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