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Investment Securities (Tables)
12 Months Ended
Dec. 31, 2024
Investment Securities [Abstract]  
Schedule Of Investment Securities Classified As Available-for-sale And Held-to-maturity

Available-for-sale

December 31, 2024

Gross

Gross

Allowance

Amortized

unrealized

unrealized

for

Fair

cost

gains

losses

Credit Losses

value

U.S. Government agency securities

$

31,233 

$

$

(1,271)

$

$

29,962 

Asset-backed securities(1)

214,346 

177 

(24)

214,499 

Tax-exempt obligations of states and political subdivisions

6,860 

(73)

6,787 

Taxable obligations of states and political subdivisions

29,267 

7 

(441)

28,833 

Residential mortgage-backed securities

438,562 

1,137 

(6,280)

433,419 

Collateralized mortgage obligation securities

27,279 

(1,127)

26,152 

Commercial mortgage-backed securities

778,857 

1,653 

(17,302)

763,208 

$

1,526,404 

$

2,974 

$

(26,518)

$

$

1,502,860 

December 31, 2024

Gross

Gross

Amortized

unrealized

unrealized

Fair

(1)Asset-backed securities as shown above

cost

gains

losses

value

Federally insured student loan securities

$

2,440

$

$

(2)

$

2,438

Collateralized loan obligation securities

211,906

177

(22)

212,061

$

214,346

$

177

$

(24)

$

214,499

Available-for-sale

December 31, 2023

Gross

Gross

Allowance

Amortized

unrealized

unrealized

for

Fair

cost

gains

losses

Credit Losses

value

U.S. Government agency securities

$

35,346 

$

6 

$

(1,466)

$

$

33,886 

Asset-backed securities(1)

327,159 

9 

(1,815)

325,353 

Tax-exempt obligations of states and political subdivisions

4,860 

39 

(48)

4,851 

Taxable obligations of states and political subdivisions

43,323 

15 

(952)

42,386 

Residential mortgage-backed securities

169,882 

108 

(9,223)

160,767 

Collateralized mortgage obligation securities

35,575 

(1,537)

34,038 

Commercial mortgage-backed securities

157,759 

(11,506)

146,253 

Corporate debt securities

10,000 

(10,000)

$

783,904 

$

177 

$

(26,547)

$

(10,000)

$

747,534 

December 31, 2023

Gross

Gross

Amortized

unrealized

unrealized

Fair

(1)Asset-backed securities as shown above

cost

gains

losses

value

Federally insured student loan securities

$

6,032 

$

$

(49)

$

5,983 

Collateralized loan obligation securities

321,127 

9 

(1,766)

319,370 

$

327,159 

$

9 

$

(1,815)

$

325,353 

Amortized Cost And Fair Value Of Investment Securities By Contractual Maturity

Available-for-sale

Amortized

Fair

cost

value

Due before one year

$

51,119

$

50,650

Due after one year through five years

183,022

179,836

Due after five years through ten years

684,504

678,320

Due after ten years

607,759

594,054

$

1,526,404

$

1,502,860

Schedule of Unrealized Loss on Investments The table below indicates the length of time individual securities had been in continuous unrealized loss positions at December 31, 2024 (dollars in thousands):

Available-for-sale

Less than 12 months

12 months or longer

Total

Number of securities

Fair Value

Unrealized losses

Fair Value

Unrealized losses

Fair Value

Unrealized losses

Description of Securities

U.S. Government agency securities

18

$

15,384

$

(307)

$

14,578 

$

(964)

$

29,962 

$

(1,271)

Asset-backed securities

14

35,108

(8)

33,854 

(16)

68,962 

(24)

Tax-exempt obligations of states and political subdivisions

6

5,664

(36)

1,123

(37)

6,787

(73)

Taxable obligations of states and political subdivisions

18

1,157 

(18)

25,734 

(423)

26,891 

(441)

Residential mortgage-backed securities

155

172,076 

(1,156)

37,527 

(5,124)

209,603 

(6,280)

Collateralized mortgage obligation securities

19

26,152 

(1,127)

26,152 

(1,127)

Commercial mortgage-backed securities

37

351,595 

(4,402)

166,554 

(12,900)

518,149 

(17,302)

Total unrealized loss position

investment securities

267

$

580,984 

$

(5,927)

$

305,522

$

(20,591)

$

886,506

$

(26,518)

The table below indicates the length of time individual securities had been in continuous unrealized loss positions at December 31, 2023 (dollars in thousands):

Available-for-sale

Less than 12 months

12 months or longer

Total

Number of securities

Fair Value

Unrealized losses

Fair Value

Unrealized losses

Fair Value

Unrealized losses

Description of Securities

U.S. Government agency securities

15

$

14,945

$

(302)

$

17,697

$

(1,164)

$

32,642

$

(1,466)

Asset-backed securities

53

314,749

(1,815)

314,749

(1,815)

Tax-exempt obligations of states and political subdivisions

3

997

(3)

1,850

(45)

2,847

(48)

Taxable obligations of states and political subdivisions

25

39,621

(952)

39,621

(952)

Residential mortgage-backed securities

132

20,884

(491)

126,645

(8,732)

147,529

(9,223)

Collateralized mortgage obligation securities

20

34,038

(1,537)

34,038

(1,537)

Commercial mortgage-backed securities

40

146,253

(11,506)

146,253

(11,506)

Total unrealized loss position

investment securities

288

$

36,826

$

(796)

$

680,853

$

(25,751)

$

717,679

$

(26,547)