Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015, 2014 and 2013:

	Depositor Intangibles1			Mortgage Servicing Rights2			Customer Intangibles1			Total
Gross Carrying Amount, December 31, 2015	$	2,247		$	1,822		$	4,382		$	8,451
Accumulated Amortization	(2,247		)	(1,143		)	(1,954		)	(5,344		)
Net Carrying Amount, December 31, 2015	$	—		$	679		$	2,428		$	3,107
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
Rollforward of Intangible Assets:
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
Intangible Assets Acquired	—			107			—			107
Intangible Assets Disposed	—			—			(38		)	(38		)
Amortization of Intangible Assets	(10		)	(260		)	(317		)	(587		)
Balance, December 31, 2015	$	—		$	679		$	2,428		$	3,107

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, 2015:

	Mortgage Servicing Rights2		Customer Intangibles1		Total
Estimated Annual Amortization Expense:
2016	$	250	$	293	$	543
2017	190		273		463
2018	136		256		392
2019	62		239		301
2020	31		226		257
Later Years	10		1,141		1,151
Total	$	679	$	2,428	$	3,107

¹ Amortization of 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.