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Other Intangible Assets
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Other Intangible Assets OTHER INTANGIBLE ASSETS (Dollars In Thousands)
The following table presents information on Arrow’s other intangible assets (other than goodwill) as of December 31, 2021, 2020 and 2019:
Depositor
Intangibles
Mortgage
Servicing
Rights1
Customer Intangibles2
Total  
Gross Carrying Amount, December 31, 2021
$2,247 $3,286 $4,382 $9,915 
Accumulated Amortization(2,247)(2,276)(3,474)(7,997)
Net Carrying Amount, December 31, 2021
$— $1,010 $908 $1,918 
Gross Carrying Amount, December 31, 2020
$2,247 $2,850 $4,382 $9,479 
Accumulated Amortization(2,247)(2,018)(3,264)(7,529)
Net Carrying Amount, December 31, 2020
$— $832 $1,118 $1,950 
Rollforward of Intangible Assets:
Balance, December 31, 2018$— $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 
Intangible Assets Acquired— 436 — 436 
Intangible Assets Disposed— — — — 
Amortization of Intangible Assets— (258)(210)(468)
Balance, December 31, 2021
$— $1,010 $908 $1,918 

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.

The following table presents the remaining estimated annual amortization expense for Arrow's intangible assets as of December 31, 2021:
Mortgage
Servicing Rights		Customer IntangiblesTotal
Estimated Annual Amortization Expense:
2022$233 $193 $426 
2023213 176 389 
2024204 155 359 
2025193 107 300 
2026143 89 232 
2027 and beyond24 188 212 
Total$1,010 $908 $1,918