Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table presents information on Arrow’s intangible assets (other than goodwill) as of December 31, 2012, 2011 and 2010:

	Depositor Intangibles1			Mortgage Servicing Rights2			Customer Intangibles1			Total
Gross Carrying Amount, December 31, 2012	$	2,247		$	1,251		$	4,451		$	7,949
Accumulated Amortization	(2,094		)	(392		)	(971		)	(3,457		)
Net Carrying Amount, December 31, 2012	$	153		$	859		$	3,480		$	4,492
Gross Carrying Amount, December 31, 2011	$	2,247		$	834		$	4,451		$	7,532
Accumulated Amortization	(1,961		)	(235		)	(587		)	(2,783		)
Net Carrying Amount, December 31, 2011	$	286		$	599		$	3,864		$	4,749
Roll Forward of Intangible Assets:
Balance, December 31, 2009	$	674		$	212		$	557		$	1,443
Intangible Assets Acquired	—			226			126			352
Amortization of Intangible Assets	(214		)	(67		)	(56		)	(337		)
Balance, December 31, 2010	460			371			627			1,458
Intangible Assets Acquired	—			339			3,573			3,912
Amortization of Intangible Assets	(174		)	(111		)	(336		)	(621		)
Balance, December 31, 2011	286			599			3,864			4,749
Intangible Assets Acquired	—			417			—			417
Amortization of Intangible Assets	(133		)	(157		)	(384		)	(674		)
Balance, December 31, 2012	$	153		$	859		$	3,480		$	4,492

¹ Reported in the income statement as a component of other operating expense.

² Reported in the income statement as a reduction of fees for other services to customers.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The following table presents the remaining estimated annual amortization expense for Arrow's intangible assets as of December 31, 2012:

	Depositor Intangibles1		Mortgage Servicing Rights2		Customer Intangibles1		Total
Estimated Annual Amortization Expense:
2013	$	92	$	197	$	361	$	650
2014	51		197		336		584
2015	10		175		319		504
2016	—		154		301		455
2017	—		95		281		376
Later Years	—		41		1,882		1,923
Total	$	153	$	859	$	3,480	$	4,492

¹ Reported in the income statement as a component of other operating expense.

² Reported in the income statement as a reduction of servicing fee income.