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Securities
 3 Months Ended
Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Securities Securities
(In Thousands, Except Number of Securities)

The amortized cost and fair value of securities available for sale were as follows as of the dates presented in the tables below.

There was no allowance for credit losses allocated to any of the Company’s available for sale securities as of March 31, 2025 or December 31, 2024.
 
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
March 31, 2025
Obligations of states and political subdivisions$20,221 $53 $(2,024)$18,250 
Residential mortgage backed securities:
Government agency mortgage backed securities247,389 201 (21,007)226,583 
Government agency collateralized mortgage obligations504,846 1,800 (69,091)437,555 
Commercial mortgage backed securities:
Government agency mortgage backed securities11,372 42 (549)10,865 
Government agency collateralized mortgage obligations167,336 374 (19,834)147,876 
Other debt securities162,119 590 (1,782)160,927 
$1,113,283 $3,060 $(114,287)$1,002,056 
 
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
December 31, 2024
Obligations of states and political subdivisions$20,266 $57 $(2,269)$18,054 
Residential mortgage backed securities:
Government agency mortgage backed securities185,292 81 (24,468)160,905 
Government agency collateralized mortgage obligations475,311 75 (86,870)388,516 
Commercial mortgage backed securities:
Government agency mortgage backed securities11,373 — (751)10,622 
Government agency collateralized mortgage obligations146,510 41 (21,595)124,956 
Other debt securities130,175 440 (2,655)127,960 
$968,927 $694 $(138,608)$831,013 
The amortized cost and fair value of securities held to maturity were as follows as of the dates presented:
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
March 31, 2025
Obligations of states and political subdivisions$283,632 $— $(41,658)$241,974 
Residential mortgage backed securities
Government agency mortgage backed securities360,229 — (17,581)342,648 
Government agency collateralized mortgage obligations347,015 — (26,960)320,055 
Commercial mortgage backed securities:
Government agency mortgage backed securities16,955 — (2,565)14,390 
Government agency collateralized mortgage obligations43,298 — (6,606)36,692 
Other debt securities50,804 — (3,066)47,738 
$1,101,933 $— $(98,436)$1,003,497 
Allowance for credit losses - held to maturity securities(32)
Held to maturity securities, net of allowance for credit losses$1,101,901 
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
December 31, 2024
Obligations of states and political subdivisions$284,542 $3 $(42,491)$242,054 
Residential mortgage backed securities
Government agency mortgage backed securities372,414 — (25,251)347,163 
Government agency collateralized mortgage obligations354,882 — (41,506)313,376 
Commercial mortgage backed securities:
Government agency mortgage backed securities16,961 — (2,958)14,003 
Government agency collateralized mortgage obligations43,662 — (7,317)36,345 
Other debt securities53,683 — (4,080)49,603 
$1,126,144 $3 $(123,603)$1,002,544 
Allowance for credit losses - held to maturity securities(32)
Held to maturity securities, net of allowance for credit losses$1,126,112 

No securities were sold during the first quarter of 2025. With respect to the securities sold during the first three months ended March 31, 2024, which are presented in the table below, the Company intended to sell these securities as of December 31, 2023, and completed the sale in January 2024. Therefore, the Company impaired the securities and recognized the loss in net income as of December 31, 2023.
Carrying Value Immediately Prior to SaleNet ProceedsImpairment (Recognized in December 2023)
Three months ended March 31, 2024
Obligations of states and political subdivisions$12,301 $11,360 $(941)
Residential mortgage backed securities:
Government agency mortgage backed securities107,389 95,922 (11,467)
Government agency collateralized mortgage obligations48,300 43,990 (4,310)
Commercial mortgage backed securities:
Government agency collateralized mortgage obligations28,547 25,913 (2,634)
$196,537 $177,185 $(19,352)
At March 31, 2025 and December 31, 2024, securities with a carrying value of $861,875 and $818,344, respectively, were pledged to secure government, public and trust deposits. Securities with a carrying value of $26,129 and $25,526 were pledged as collateral for short-term borrowings and derivative instruments at March 31, 2025 and December 31, 2024, respectively.
The amortized cost and fair value of securities at March 31, 2025 by contractual maturity are shown below. Expected maturities will differ from contractual maturities because issuers may call or prepay obligations with or without call or prepayment penalties.
 
 Held to MaturityAvailable for Sale
 Amortized
Cost		Fair
Value		Amortized
Cost		Fair
Value
Due within one year$1,480 $1,479 $1,997 $2,038 
Due after one year through five years5,966 5,631 33,904 33,958 
Due after five years through ten years137,612 119,449 31,862 29,656 
Due after ten years138,574 115,414 4,062 3,421 
Residential mortgage backed securities:
Government agency mortgage backed securities360,229 342,648 247,389 226,583 
Government agency collateralized mortgage obligations347,015 320,055 504,846 437,555 
Commercial mortgage backed securities:
Government agency mortgage backed securities16,955 14,390 11,372 10,865 
Government agency collateralized mortgage obligations43,298 36,692 167,336 147,876 
Other debt securities50,804 47,739 110,515 110,104 
$1,101,933 $1,003,497 $1,113,283 $1,002,056 
The following tables present the age of gross unrealized losses and fair value by investment category for which an allowance for credit losses has not been recorded as of the dates presented:
 
 Less than 12 Months12 Months or MoreTotal
 #Fair
Value		Unrealized
Losses		#Fair
Value		Unrealized
Losses		#Fair
Value		Unrealized
Losses
Available for Sale:
March 31, 2025
Obligations of states and political subdivisions— $— $— 7$13,040 $(2,024)7$13,040 $(2,024)
Residential mortgage backed securities:
Government agency mortgage backed securities8 65,280 (669)34140,351 (20,338)42205,631 (21,007)
Government agency collateralized mortgage obligations— — — 37319,460 (69,091)37319,460 (69,091)
Commercial mortgage backed securities:
Government agency mortgage backed securities12,412 (35)25,483 (514)37,895 (549)
Government agency collateralized mortgage obligations12,808 (3)25104,666 (19,831)26107,474 (19,834)
Other debt securities3 43,019 (259)1322,867 (1,523)1665,886 (1,782)
Total13$113,519 $(966)118$605,867 $(113,321)131$719,386 $(114,287)
December 31, 2024
Obligations of states and political subdivisions—$— $— 7$12,841 $(2,269)7$12,841 $(2,269)
Residential mortgage backed securities:
Government agency mortgage backed securities711,051 (259)34141,321 (24,208)41152,372 (24,467)
Government agency collateralized mortgage obligations3 48,879 (482)37311,964 (86,389)40360,843 (86,871)
Commercial mortgage backed securities:
Government agency mortgage backed securities2 5,248 (122)25,375 (629)410,623 (751)
Government agency collateralized mortgage obligations2 7,681 (39)25104,326 (21,556)27112,007 (21,595)
Other debt securities222,357 (218)1730,801 (2,437)1953,158 (2,655)
Total16$95,216 $(1,120)122$606,628 $(137,488)138$701,844 $(138,608)
 Less than 12 Months12 Months or MoreTotal
 #Fair
Value		Unrealized
Losses		#Fair
Value		Unrealized
Losses		#Fair
Value		Unrealized
Losses
Held to Maturity:
March 31, 2025
Obligations of states and political subdivisions7$16,412 $(1,835)121$225,342 $(39,823)128$241,754 $(41,658)
Residential mortgage backed securities:
Government agency mortgage backed securities116,189 (594)67326,460 (16,987)68342,649 (17,581)
Government agency collateralized mortgage obligations—— — 18320,055 (26,960)18320,055 (26,960)
Commercial mortgage backed securities:
Government agency mortgage backed securities—— — 114,390 (2,565)114,390 (2,565)
Government agency collateralized mortgage obligations—— — 936,692 (6,606)936,692 (6,606)
Other debt securities—— — 1047,739 (3,066)1047,739 (3,066)
Total8$32,601 $(2,429)226$970,678 $(96,007)234$1,003,279 $(98,436)
December 31, 2024
Obligations of states and political subdivisions—$— $— 128$240,394 $(42,491)128$240,394 $(42,491)
Residential mortgage backed securities:
Government agency mortgage backed securities—— — 69347,154 (25,251)69347,154 (25,251)
Government agency collateralized mortgage obligations—— — 18313,376 (41,506)18313,376 (41,506)
Commercial mortgage backed securities:
Government agency mortgage backed securities—— — 114,002 (2,958)114,002 (2,958)
Government agency collateralized mortgage obligations—— — 936,345 (7,317)936,345 (7,317)
Other debt securities—— — 1049,603 (4,080)1049,603 (4,080)
Total—$— $— 235$1,000,874 $(123,603)235$1,000,874 $(123,603)
 
The Company evaluates its available for sale investment securities in an unrealized loss position on a quarterly basis. If the Company intends to sell the security or it is more likely than not that it will be required to sell before recovery, the entire unrealized loss is recorded as a loss within noninterest income in the Consolidated Statements of Income along with a corresponding adjustment to the amortized cost basis of the security. If the Company does not intend to sell the security and it is not more likely than not that it will be required to sell the security before recovery of its amortized cost basis, the Company evaluates if any of the unrealized loss is related to a potential credit loss. The amount related to credit loss, if any, is recognized in earnings as a provision for credit loss and a corresponding allowance for credit losses is established; each is calculated as the difference between the estimate of the discounted future contractual cash flows and the amortized cost basis of the security. A number of qualitative and quantitative factors are considered by management in the estimate of the discounted future contractual cash flows, including the financial condition of the underlying issuer, current and projected deferrals or defaults and credit ratings by nationally recognized statistical rating agencies. The remaining difference between the fair value and the amortized cost basis of the security is considered the amount related to other market factors and is recognized in other comprehensive income, net of tax.

As of March 31, 2025, the Company does not intend to sell any of the securities in an unrealized loss position, and it is not more likely than not that the Company will be required to sell any such security prior to the recovery of its amortized cost basis, which may be maturity. Furthermore, more than 90% of available for sale securities have the explicit or implicit backing of the federal government. Performance of these securities has been in line with broader market price performance, indicating that increases in market-based, risk-free rates, and not credit-related factors, are driving losses. When determining the fair value of
the contractual cash flows for municipal and corporate securities, the Company considers historical experience with credit sensitive securities, current market conditions, the financial condition of the underlying issuer, current credit ratings, ratings changes and outlook, explicit and implicit guarantees, or insurance programs. Based upon its review of these factors as of March 31, 2025, the Company determined that all such losses resulted from factors not deemed credit-related. As a result, no credit-related impairment was recognized in current earnings, and all unrealized losses for available for sale securities were recorded in other comprehensive income (loss). See Note 11, “Other Comprehensive Income” for more information on the Company’s unrealized losses on securities.

The allowance for credit losses on held to maturity securities was $32 at each of March 31, 2025 and December 31, 2024. The Company monitors the credit quality of debt securities held to maturity using bond investment grades assigned by nationally recognized statistical ratings agencies. Updated investment grades are obtained as they become available from agencies. As of March 31, 2025, all of the debt securities held to maturity were rated A or higher by the ratings agencies.