XML 51 R43.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 15 - Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		2014								2013								2012
		Shares				Weighted-Average Exercise Price				Shares				Weighted-Average Exercise Price				Shares				Weighted-Average Exercise Price
Beginning balance			501,334			$	10.34				722,155			$	10.18				919,371			$	10.23
Issued			21,000				32.77				3,300				20.03				5,500				15.48
Assumed from
Virginia Heritage			401,497				13.16				-				-				-				-
Exercised			(157,313	)			14.71				(198,588	)			9.99				(167,882	)			10.01
Forfeited			(8,110	)			33.06				(2,420	)			7.40				(3,493	)			6.22
Expired			(1,225	)			9.00				(23,113	)			10.05				(31,341	)			13.92
Ending balance			757,183			$	11.31				501,334			$	10.34				722,155			$	10.18

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Outstanding:					Stock Options Outstanding				Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Life
Range of Exercise Prices
$		5.76     $ 9.22				249,788			$	5.95				3.73
$		9.22     $ 15.47				365,467				11.18				1.74
$		15.48   $ 24.41				119,052				19.57				3.50
$		24.42   $ 32.36				22,876				28.94				5.85
						757,183			$	11.31				2.80

Exercisable:					Stock Options Exercisable				Weighted-Average Exercise Price
Range of Exercise Prices
$		5.76      $ 9.22				192,878			$	6.00
$		9.22      $ 15.47				348,429				11.20
$		15.48    $ 24.41				113,112				19.68
$		24.42    $ 32.36				9,876				24.43
						664,295			$	11.33

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Years Ended December 31,
		2014				2013				2012
Expected volatility			34.25	%			34.12	%			36.64	%
Weighted-Average volatility			34.25	%			34.12	%			36.64	%
Expected dividends			0.0	%			0.0	%			0.0	%
Expected term (in years)			9.4				7.5				7.5
Risk-free rate			2.26	%			1.31	%			1.13	%
Weighted-average fair value (grant date)		$	13.49			$	7.83			$	6.35
Weighted-average fair value (grant date) for VHB options assumed		$	24.89			n/a				n/a

Schedule of Cash Proceeds Received from Share-based Payment Awards [Table Text Block]

		Years Ended December 31,
(dollars in thousands)		2014				2013				2012
Proceeds from stock options exercised		$	2,313			$	1,984			$	1,685
Tax benefits related to stock options exercised			978				410				369
Intrinsic value of stock options exercised			3,184				3,060				1,100

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

		Years Ended December 31,
		2014								2013
		Shares				Weighted-Average Grant Date Fair Value				Shares				Weighted-Average Grant Date Fair Value
Unvested at beginning			614,580			$	18.71				348,350			$	13.79
Issued			87,927				33.50				424,450				20.64
Forfeited			(8,250	)			25.28				(1,318	)			15.73
Vested			(184,921	)			17.54				(156,902	)			13.04
Unvested at end			509,336			$	21.58				614,580			$	18.71

X

- Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period.

+ 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 (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfCashProceedsReceivedFromShareBasedPaymentAwardsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ 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 (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration