XML 54 R39.htm IDEA: XBRL DOCUMENT v3.8.0.1

Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

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

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

Roll Forward Schedule of Long Term Incentive Plan by Shares and Weighted Average Exercise Prices

	Long Term Incentive Plan
Roll Forward of Shares Outstanding:
Outstanding at January 1, 2017	366,329
Granted	55,621
Exercised	(58,804		)
Forfeited	(16,991		)
Outstanding at December 31, 2017	346,155
Exercisable at Period-End	225,694
Vested and Expected to Vest	120,461
Roll Forward of Shares Outstanding - Weighted Average Exercise Price:
Outstanding at January 1, 2017	$	21.86
Granted	36.12
Exercised	20.25
Forfeited	28.27
Outstanding at December 31, 2017	24.12
Exercisable at Period-End	21.61
Vested and Expected to Vest	28.80
Weighted Average Remaining Contractual Life (in years):
Outstanding at December 31, 2017	5.11
Exercisable at December 31, 2017	3.54
Vested and Expected to Vest	8.05
Aggregate Intrinsic Value:
Outstanding at December 31, 2017	$	3,403
Exercisable at December 31, 2017	2,785
Vested and Expected to Vest	618
Shares Available for Grant at Period-End	340,178

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

Schedule of Shares Authorized Under the Long Term Incentive Plan by Exercise Price Range

	Exercise Price Ranges
	$18.00			$20.17 to $21.56			$22.14 to $22.65			$23.89 to $24.37			$36.12			Total
Outstanding at December 31, 2017
Number of Shares Outstanding	27,999			85,068			94,111			89,536			49,441			346,155
Weighted-Average Remaining Contractual Life (in years)	1.06			2.58			4.49			7.27			9.07			5.11
Weighted-Average Exercise Price	$	18.00		$	20.98		$	22.43		$	24.15		$	36.12		$	24.12
Exercisable at December 31, 2017
Number of Shares Outstanding	27,999			85,068			79,797			31,800			1,030			225,694
Weighted-Average Remaining Contractual Life (in years)	1.06			2.58			4.20			6.49			9.07			3.54
Weighted-Average Exercise Price	$	18.00		$	20.98		$	22.39		$	24.08		$	36.12		$	21.61

Other Stock Based Compensation Disclosure Table

Schedule of Other Long Term Incentive Plan Information

		2017				2016				2015
Shares Granted		55,621				58,350				58,975
Weighted Average Grant Date Information:
Fair Value of Options Granted		$	6.25			$	5.44			$	5.34
Fair Value Assumptions:
Dividend Yield		2.72		%		3.88		%		3.90		%
Expected Volatility		21.40		%		32.95		%		33.55		%
Risk Free Interest Rate		2.25		%		1.80		%		1.57		%
Expected Lives (in years)		6.88				7.56				7.66
Amount Expensed During the Year		$	351			$	287			$	308
Compensation Costs for Non-vested Awards Not Yet Recognized		528				521				500
Weighted Average Expected Vesting Period, In Years		2.59				2.71				2.12
Proceeds From Stock Options Exercised		$	1,190			$	2,404			$	918
Tax Benefits Related to Stock Options Exercised		168				188				59
Intrinsic Value of Stock Options Exercised		825				1,010				250

Schedule of Employee Stock Ownership Plan (ESOP) Disclosures

Schedule of ESOP Compensation Expense

		2017				2016				2015
ESOP Compensation Expense		$	1,400			$	1,200			$	900

Shares pledged as collateral are reported as unallocated ESOP shares in stockholders’ equity.  As shares are released from collateral, Arrow reports compensation expense equal to the current average market price of the shares, and the shares become outstanding for earnings per share computations.  The ESOP shares as of December 31, 2017 were as follows:

Schedule of Shares in ESOP Plan

ESOP Plan Shares:	2017
Allocated Shares	759,081
Shares Released for Allocation During 2017	10,407
Unallocated Shares	9,643
Total ESOP Shares	779,131
Market Value of Unallocated Shares	$	327

X

- Definition

Other Stock Based Compensation Disclosure Table [Table Text Block]

+ References

No definition available.

+ Details

Name:	arow_OtherStockBasedCompensationDisclosureTableTableTextBlock
Namespace Prefix:	arow_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

+ Details

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

X

- Definition

Tabular disclosure of the details pertaining to each employee stock ownership plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929

+ Details

Name:	us-gaap_ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock
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