Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

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, 2020, 2019 and 2018:

	Mortgage Servicing Rights1		Customer Intangibles2		Total
Gross Carrying Amount, December 31, 2020	$	2,850	$	4,382	$	9,479
Accumulated Amortization	(2,018)		(3,264)		(7,529)
Net Carrying Amount, December 31, 2020	$	832	$	1,118	$	1,950
Gross Carrying Amount, December 31, 2019	$	2,229	$	4,382	$	8,858
Accumulated Amortization	(1,913)		(3,037)		(7,197)
Net Carrying Amount, December 31, 2019	$	316	$	1,345	$	1,661
Rollforward of Intangible Assets:
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
Intangible Assets Acquired	168		—		168
Intangible Assets Disposed	—		—		—
Amortization of Intangible Assets	(114)		(245)		(359)
Balance, December 31, 2019	316		1,345		1,661
Intangible Assets Acquired	621		—		621
Intangible Assets Disposed	—		—		—
Amortization of Intangible Assets	(105)		(227)		(332)
Balance, December 31, 2020	$	832	$	1,118	$	1,950

1 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.

2 Amortization of customer intangibles are reported in the Consolidated Statements of Income as a component of other operating expense.

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, 2020:

	Mortgage Servicing Rights		Customer Intangibles		Total
Estimated Annual Amortization Expense:
2021	$	181	$	211	$	392
2022	160		193		353
2023	140		176		316
2024	132		155		287
2025	132		107		239
2026 and beyond	87		276		363
Total	$	832	$	1,118	$	1,950