Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

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, 2023, 2022 and 2021:

	Depositor Intangibles		Mortgage Servicing Rights1		Customer Intangibles2		Total
Gross Carrying Amount, December 31, 2023	$	2,247	$	3,296	$	4,382	$	9,925
Accumulated Amortization	(2,247)		(2,725)		(3,843)		(8,815)
Net Carrying Amount, December 31, 2023	$	—	$	571	$	539	$	1,110
Gross Carrying Amount, December 31, 2022	$	2,247	$	3,296	$	4,382	$	9,925
Accumulated Amortization	(2,247)		(2,511)		(3,667)		(8,425)
Net Carrying Amount, December 31, 2022	$	—	$	785	$	715	$	1,500
Rollforward of Intangible Assets:
Balance, December 31, 2020	$	—	$	832	$	1,118	$	1,950
Intangible Assets Acquired	—		436		—		436
Intangible Assets Disposed	—		—		—		—
Amortization of Intangible Assets	—		(258)		(210)		(468)
Balance, December 31, 2021	—		1,010		908		1,918
Intangible Assets Acquired	—		10		—		10
Intangible Assets Disposed	—		—		—		—
Amortization of Intangible Assets	—		(235)		(193)		(428)
Balance, December 31, 2022	—		785		715		1,500
Intangible Assets Acquired	—		—		—		—
Intangible Assets Disposed	—		—		—		—
Amortization of Intangible Assets	—		(214)		(176)		(390)
Balance, December 31, 2023	$	—	$	571	$	539	$	1,110

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, 2023:

	Mortgage Servicing Rights		Customer Intangibles		Total
Estimated Annual Amortization Expense:
2024	$	206	$	155	$	361
2025	195		107		302
2026	144		89		233
2027	25		72		97
2028	1		55		56
2029 and beyond	—		61		61
Total	$	571	$	539	$	1,110