Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

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

The following table presents information on Arrow’s other intangible assets (other than goodwill) as of December 31, 2014, 2013 and 2012:

	Depositor Intangibles1			Mortgage Servicing Rights2			Customer Intangibles1			Total
Gross Carrying Amount, December 31, 2014	$	2,247		$	1,715		$	4,451		$	8,413
Accumulated Amortization	(2,237		)	(883		)	(1,668		)	(4,788		)
Net Carrying Amount, December 31, 2014	$	10		$	832		$	2,783		$	3,625
Gross Carrying Amount, December 31, 2013	$	2,247		$	1,582		$	4,451		$	8,280
Accumulated Amortization	(2,186		)	(622		)	(1,332		)	(4,140		)
Net Carrying Amount, December 31, 2013	$	61		$	960		$	3,119		$	4,140
Rollforward of Intangible Assets:
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
Intangible Assets Acquired	—			331			—			331
Amortization of Intangible Assets	(92		)	(230		)	(361		)	(683		)
Balance, December 31, 2013	61			960			3,119			4,140
Intangible Assets Acquired	—			133			—			133
Amortization of Intangible Assets	(51		)	(261		)	(336		)	(648		)
Balance, December 31, 2014	$	10		$	832		$	2,783		$	3,625

¹ Amortization of depositor intangibles and customer intangibles are reported in the consolidated statements of income as a component of other operating expense.

² Amortization of mortgage servicing rights is reported in the consolidated statements of income as a reduction of mortgage servicing fee income, which is included with 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, 2014:

	Depositor Intangibles1		Mortgage Servicing Rights2		Customer Intangibles1		Total
Estimated Annual Amortization Expense:
2015	$	10	$	252	$	319	$	581
2016	—		232		301		533
2017	—		172		281		453
2018	—		118		263		381
2019	—		45		245		290
Later Years	—		13		1,374		1,387
Total	$	10	$	832	$	2,783	$	3,625

¹ Amortization of depositor intangibles and customer intangibles are reported in the consolidated statements of income as a component of other operating expense.

² Amortization of mortgage servicing rights is reported in the consolidated statements of income as a reduction of mortgage servicing fee income, which is included with fees for other services to customers.