Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The following table presents information on Arrow’s other intangible assets (other than goodwill) as of December 31, 2018, 2017 and 2016:



	Depositor Intangibles¹			Mortgage Servicing Rights²			Customer Intangibles¹			Total
Gross Carrying Amount, December 31, 2018	$	2,247		$	2,061		$	4,382		$	8,690
Accumulated Amortization	(2,247		)	(1,799		)	(2,792		)	(6,838		)
Net Carrying Amount, December 31, 2018	$	—		$	262		$	1,590		$	1,852
Gross Carrying Amount, December 31, 2017	$	2,247		$	2,061		$	4,382		$	8,690
Accumulated Amortization	(2,247		)	(1,624		)	(2,530		)	(6,401		)
Net Carrying Amount, December 31, 2017	$	—		$	437		$	1,852		$	2,289

Rollforward of Intangible Assets:
Balance, December 31, 2015	$	—		$	679		$	2,428		$	3,107
Intangible Assets Acquired	—			146			—			146
Intangible Assets Disposed	—			—			—			—
Amortization of Intangible Assets	—			(260		)	(297		)	(557		)
Balance, December 31, 2016	—			565			2,131			2,696
Intangible Assets Acquired	—			93			—			93
Intangible Assets Disposed	—			—			—			—
Amortization of Intangible Assets	—			(221		)	(279		)	(500		)
Balance, December 31, 2017	—			437			1,852			2,289
Intangible Assets Acquired	—			—			—			—
Intangible Assets Disposed	—			—			—			—
Amortization of Intangible Assets	—			(175		)	(262		)	(437		)
Balance, December 31, 2018	$	—		$	262		$	1,590		$	1,852

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

The following table presents the remaining estimated annual amortization expense for Arrow's intangible assets as of December 31, 2018:



	Mortgage Servicing Rights		Customer Intangibles		Total
Estimated Annual Amortization Expense:
2019	$	103	$	245	$	348
2020	71		227		298
2021	50		210		260
2022	29		193		222
2023	9		176		185
2024 and beyond	—		539		539
Total	$	262	$	1,590	$	1,852