Amounts contributed to Employee Stock Purchase Plans during the period.

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Employee stock purchase plan percentage of market value.

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No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Aggregate number of common shares reserved for future issuance.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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No definition available.

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Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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No definition available.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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Percentage of vesting of share-based compensation awards.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Note 17 - Stock-based Compensation (Details Textual) - USD ($)	1 Months Ended					12 Months Ended
	Sep. 30, 2016	May 31, 2016	Mar. 31, 2016	Feb. 29, 2016	May 31, 2011	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	May 12, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	1,500	1,500				3,000	5,000	21,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value						$ 11,400,000	$ 12,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value						66,000	90,000	$ 10,100,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options						$ 128,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						2 years 270 days
Allocated Share-based Compensation Expense						$ 6,900,000	$ 5,100,000	$ 4,000,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			24,410	80,365		139,732	78,070
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number						296,192	369,093	509,336
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period				34,957
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				100.00%
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years	10 years
The2016 Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance						998,500			1,000,000
Virginia Heritage Bank [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value								$ 10,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant						0
Stock Plan 2006 [Member] \| Restricted Stock [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						1 year 295 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number						296,192
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options						$ 4.80
The 2011 ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized					550,000
Employee Stock Purchase Plan Percentage Of Market Value					85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant						416,543
The 2011 ESPP [Member] \| Minimum Months Per Year [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period					150 days
The 2011 ESPP [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period					1 year
The 2011 ESPP [Member] \| Minimum [Member] \| Pay Period [Member]
Amount Contributed to ESPP					$ 10
The 2011 ESPP [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate					10.00%
The 2011 ESPP [Member] \| Maximum [Member] \| Offering Period [Member]
Amount Contributed to ESPP					$ 6,250
The 2011 ESPP [Member] \| Maximum [Member] \| Annually [Member]
Amount Contributed to ESPP					$ 25,000
The Fidelity Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant						0