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Investment Securities
 3 Months Ended
Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Investment Securities INVESTMENT SECURITIES (In Thousands)
The following table is the schedule of Available-For-Sale Securities at March 31, 2025 and December 31, 2024:
Available-For-Sale Securities
U.S. TreasuriesU.S. Government & Agency
Obligations		State and
Municipal
Obligations		Mortgage-
Backed
Securities		Corporate
and Other
Debt
Securities		Total
Available-
For-Sale
Securities
March 31, 2025
Available-For-Sale Securities,
  at Amortized Cost		$98,080 $55,000 $240 $319,341 $1,000 $473,661 
Gross Unrealized Gains1,419 6 — 59 — 1,484 
Gross Unrealized Losses — (514)— (28,878)(9)(29,401)
Available-For-Sale Securities,
  at Fair Value 		99,499 54,492 240 290,522 991 445,744 
Available-For-Sale Securities,
  Pledged as Collateral, at Fair
  Value		250,625 
Maturities of Debt Securities,
  at Amortized Cost:
Within One Year$24,971 $30,000 $— $1,745 $— $56,716 
From 1 - 5 Years48,694 25,000 — 158,377 1,000 233,071 
From 5 - 10 Years24,415 — 240 159,219 — 183,874 
Over 10 Years— — — — — — 
Maturities of Debt Securities,
  at Fair Value:
Within One Year$25,050 $29,978 $— $1,719 $— $56,747 
From 1 - 5 Years49,518 24,514 — 144,602 991 219,625 
From 5 - 10 Years24,931 — 240 144,201 — 169,372 
Over 10 Years— — — — — — 
Securities in a Continuous
  Loss Position, at Fair Value:
Less than 12 Months$— $— $— $58,143 $— $58,143 
12 Months or Longer— 39,486 — 216,937 991 257,414 
Total$— $39,486 $— $275,080 $991 $315,557 
Number of Securities in a
  Continuous Loss Position		— 5 — 96 1 102 
Unrealized Losses on
  Securities in a Continuous
  Loss Position:
Less than 12 Months$— $— $— $358 $— $358 
12 Months or Longer— 514 — 28,520 9 29,043 
Total$— $514 $— $28,878 $9 $29,401 
Disaggregated Details:
US Treasuries,
  at Amortized Cost		$98,080 
US Treasuries,
  at Fair Value		99,499 
US Agency Obligations,
  at Amortized Cost		$55,000 
US Agency Obligations,
  at Fair Value		54,492 
Local Municipal Obligations,
  at Amortized Cost		$240 
Local Municipal Obligations,
  at Fair Value		240 
US Government Agency
  Securities, at Amortized Cost		$6,604 
Available-For-Sale Securities
U.S. TreasuriesU.S. Government & Agency
Obligations		State and
Municipal
Obligations		Mortgage-
Backed
Securities		Corporate
and Other
Debt
Securities		Total
Available-
For-Sale
Securities
US Government Agency
  Securities, at Fair Value		6,394 
Government Sponsored Entity
  Securities, at Amortized Cost		312,737 
Government Sponsored Entity
  Securities, at Fair Value		284,128 
Corporate Trust Preferred Securities, at Amortized Cost$1,000 
Corporate Trust Preferred Securities, at Fair Value991 
December 31, 2024
Available-For-Sale Securities,
  at Amortized Cost		$97,985 $70,000 $240 $330,448 $1,000 $499,673 
Gross Unrealized Gains90 32 — 29 — 151 
Gross Unrealized Losses(5)(818)— (35,869)(21)(36,713)
Available-For-Sale Securities,
  at Fair Value		98,070 69,214 240 294,608 979 463,111 
Available-For-Sale Securities,
  Pledged as Collateral,
  at Fair Value		181,759 
Securities in a Continuous
  Loss Position, at Fair Value:
Less than 12 Months$48,370 $— $— $66,958 $— $115,328 
12 Months or Longer— 54,182 — 221,305 979 276,466 
Total$48,370 $54,182 $— $288,263 $979 $391,794 
Number of Securities in a
  Continuous Loss Position		2 7 — 97 1 107 
Unrealized Losses on
  Securities in a Continuous
  Loss Position:
Less than 12 Months$5 $— $— $2,037 $— $2,042 
12 Months or Longer— 818 — 33,832 21 34,671 
Total$5 $818 $— $35,869 $21 $36,713 
Disaggregated Details:
US Treasuries,
  at Amortized Cost		$97,985 
US Treasuries,
  at Fair Value		98,070 
US Agency Obligations,
  at Amortized Cost		$70,000 
US Agency Obligations,
  at Fair Value		69,214 
Local Municipal Obligations,
  at Amortized Cost		$240 
Local Municipal Obligations,
  at Fair Value		240 
US Government Agency
  Securities, at Amortized Cost		$6,712 
US Government Agency
  Securities, at Fair Value		6,464 
Government Sponsored Entity
  Securities, at Amortized Cost		323,736 
Government Sponsored Entity
  Securities, at Fair Value		288,144 
Corporate Trust Preferred Securities, at Amortized Cost$1,000 
Available-For-Sale Securities
U.S. TreasuriesU.S. Government & Agency
Obligations		State and
Municipal
Obligations		Mortgage-
Backed
Securities		Corporate
and Other
Debt
Securities		Total
Available-
For-Sale
Securities
Corporate Trust Preferred Securities, at Fair Value979 
At March 31, 2025, there was no allowance for credit losses for the AFS debt securities portfolio.

The following table is the schedule of Held-To-Maturity Securities at March 31, 2025 and December 31, 2024:
Held-To-Maturity Securities
State and
Municipal
Obligations		Mortgage-
Backed
Securities		Total
Held-To
Maturity
Securities
March 31, 2025
Held-To-Maturity Securities,
  at Amortized Cost		$91,704 $5,788 $97,492 
Gross Unrealized Losses(989)(168)(1,157)
Held-To-Maturity Securities,
  at Fair Value		90,715 5,620 96,335 
Held-To-Maturity Securities,
  Pledged as Collateral, at Carrying Value		69,937 
Held-To-Maturity Securities,
  Pledged as Collateral, at Fair Value		68,779 
Maturities of Debt Securities,
  at Amortized Cost:
Within One Year$53,879 $646 $54,525 
From 1 - 5 Years35,758 5,142 40,900 
From 5 - 10 Years2,061 — 2,061 
Over 10 Years6 — 6 
Maturities of Debt Securities,
  at Fair Value:
Within One Year$53,736 $639 $54,375 
From 1 - 5 Years34,949 4,981 39,930 
From 5 - 10 Years2,024 — 2,024 
Over 10 Years6 — 6 
Securities in a Continuous
  Loss Position, at Fair Value:
Less than 12 Months$204 $— $204 
12 Months or Longer65,623 5,620 71,243 
Total$65,827 $5,620 $71,447 
Number of Securities in a
  Continuous Loss Position		209 16 225 
Unrealized Losses on Securities
   in a Continuous Loss Position:
Less than 12 Months$1 $— $1 
12 Months or Longer988 168 1,156 
Total$989 $168 $1,157 
Held-To-Maturity Securities
State and
Municipal
Obligations		Mortgage-
Backed
Securities		Total
Held-To
Maturity
Securities
Disaggregated Details:
Municipal Obligations, at Amortized Cost$91,704 
Municipal Obligations, at Fair Value90,715 
US Government Agency
  Securities, at Amortized Cost		$2,128 
US Government Agency
  Securities, at Fair Value		2,058 
Government Sponsored Entity
  Securities, at Amortized Cost		3,660 
Government Sponsored Entity
  Securities, at Fair Value		3,562 
December 31, 2024
Held-To-Maturity Securities,
  at Amortized Cost		$91,829 $6,432 $98,261 
Gross Unrealized Losses(1,456)(219)(1,675)
Held-To-Maturity Securities,
  at Fair Value		90,373 6,213 96,586 
Held-To-Maturity Securities,
  Pledged as Collateral, at Carrying Value		72,506 
Held-To-Maturity Securities,
  Pledged as Collateral, at Fair Value		70,831 
Securities in a Continuous
  Loss Position, at Fair Value:
Less than 12 Months$378 $— $378 
12 Months or Longer68,112 6,212 74,324 
Total$68,490 $6,212 $74,702 
Number of Securities in a
  Continuous Loss Position		219 16 235 
Unrealized Losses on
  Securities in a Continuous
  Loss Position:
Less than 12 Months$2 $— $2 
12 Months or Longer1,454 219 1,673 
Total$1,456 $219 $1,675 
Disaggregated Details:
Municipal Obligations, at Amortized Cost$91,829 
Municipal Obligations, at Fair Value90,373 
US Government Agency
  Securities, at Amortized Cost		$2,308 
US Government Agency
  Securities, at Fair Value		2,221 
Government Sponsored Entity
  Securities, at Amortized Cost		4,124 
Government Sponsored Entity
  Securities, at Fair Value		3,992 
In the tables above, maturities of mortgage-backed securities are included based on their contractual lives. Actual maturities will differ because issuers may have the right to call or prepay obligations with or without prepayment penalties.
Arrow's investment policy requires that investments held in our portfolio be investment grade or better at the time of purchase. Arrow performs an analysis of the creditworthiness of municipal obligations to determine if a security is of investment grade. The analysis may include but may not solely rely upon credit analysis conducted by external credit rating agencies.
Arrow evaluates AFS debt securities in unrealized loss positions at each measurement date to determine whether the decline in the fair value below the amortized cost basis (impairment) is due to credit-related factors or non-credit-related factors. Any impairment that is not credit related is recognized in other comprehensive income, net of applicable taxes. Credit-related impairment is recognized within the allowance for credit losses on the balance sheet, limited to the amount by which the amortized cost basis exceeds the fair value, with a corresponding adjustment to earnings via credit loss expense. Arrow determined that at March 31, 2025, gross unrealized losses were attributable to changes in interest rates, relative to when the investment securities were purchased, and not due to the credit quality of the investment securities. Arrow does not intend to sell, nor is it more likely than not that Arrow will be required to sell, any securities before recovery of its amortized cost basis, which may be at maturity. Therefore, Arrow carried no allowance for credit loss at March 31, 2025 and there was no credit loss expense recognized by Arrow with respect to the securities portfolio during the three months ended March 31, 2025.  
Arrow's HTM debt securities are comprised of U.S. government-sponsored enterprises (GSEs) or state and municipal obligations. GSE securities carry the explicit and/or implicit guarantee of the U.S. government, are widely recognized as “risk free,” and have a long history of zero credit loss. Arrow determined that the expected credit loss on its HTM debt portfolio was immaterial and therefore no allowance for credit loss was recorded as of March 31, 2025.

The following table is the schedule of Equity Securities at March 31, 2025 and December 31, 2024:
Equity Securities
March 31, 2025December 31, 2024
Equity Securities, at Fair Value$5,372$5,055

The following is a summary of realized and unrealized gains and losses recognized in income on equity securities during the three month periods ended March 31, 2025 and 2024:
For the Three Months Ended March 31,
20252024
Net Gain on Equity Securities$317 $17 
Less: Net gain recognized during the reporting period on equity securities sold during the period— — 
Unrealized net gain recognized during the reporting period on equity securities still held at the reporting date$317 $17