Annual report [Section 13 and 15(d), not S-K Item 405]

SECURITIES AND OTHER INVESTMENTS (Tables)

v3.25.4
SECURITIES AND OTHER INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2025
Amortized Cost of HTM Securities by Security Type and Credit Rating

The following table presents the amortized cost of HTM securities as of December 31, by security type and credit rating (dollars in thousands):

  ​ ​ ​

Obligations of states and political

  ​ ​ ​

Corporate and other

  ​ ​ ​

Mortgage-backed

  ​ ​ ​

Total HTM

subdivisions

bonds

securities

securities

2025

Credit Rating:

 

 

AAA/AA/A

$

782,453

$

$

1,702

$

784,155

BBB/BB/B

1,122

1,122

Not Rated – Agency (1)

64,867

64,867

Not Rated – Non-Agency (2)

 

9,587

 

2,255

22,230

34,072

Total

$

793,162

$

2,255

$

88,799

$

884,216

2024

Credit Rating:

 

 

AAA/AA/A

$

686,923

$

$

5,748

$

692,671

BBB/BB/B

1,144

1,144

Not Rated – Agency (1)

64,595

64,595

Not Rated – Non-Agency (2)

 

9,616

 

3,322

32,503

45,441

Total

$

697,683

$

3,322

$

102,846

$

803,851

(1) Generally considered not to have credit risk given the government guarantees associated with these agencies.

(2) Non-agency mortgage-backed and asset-backed securities have limited credit risk, supported by most receiving a 20% simplified supervisory formula approach rating.

Gross Realized Gain and Losses on the Sale of Securities

The following table presents the gross realized gains and losses on and the proceeds from the sale of securities during the years ended December 31, (dollars in thousands):

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Realized gains (losses): (1)

Gross realized gains

 

$

36

 

$

33

 

$

1,355

Gross realized losses

 

(117)

 

(6,526)

 

(42,344)

Net realized losses

 

$

(81)

 

$

(6,493)

 

$

(40,989)

Proceeds from sales of securities

 

$

630,097

 

$

642,985

 

$

899,872

(1) Includes gains (losses) on sales and calls of securities

Available-for-sale Securities  
Amortized Cost, Gross Unrealized Gains and Losses, and Estimated Fair Values of Investment Securities

The amortized cost, gross unrealized gains and losses, and estimated fair values of AFS securities as of December 31, are as follows (dollars in thousands):

Amortized

Gross Unrealized

Estimated

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

2025

 

  ​

 

  ​

 

  ​

  ​

U.S. government and agency securities

$

103,335

$

681

$

(14)

$

104,002

Obligations of states and political subdivisions

 

589,194

 

178

 

(101,487)

 

487,885

Corporate and other bonds (1)

 

221,432

 

709

 

(4,207)

 

217,934

Commercial MBS

 

 

Agency

354,405

 

1,276

 

(39,806)

315,875

Non-agency

115,009

 

187

 

(1,905)

113,291

Total commercial MBS

469,414

 

1,463

 

(41,711)

429,166

Residential MBS

Agency

2,942,900

 

15,838

 

(165,524)

2,793,214

Non-agency

161,767

 

935

 

(2,558)

160,144

Total residential MBS

3,104,667

 

16,773

 

(168,082)

2,953,358

Other securities

 

1,956

 

 

 

1,956

Total AFS securities

$

4,489,998

$

19,804

$

(315,501)

$

4,194,301

(1) Other bonds include asset-backed securities.

The amortized cost, gross unrealized gains and losses, and estimated fair values of AFS securities as of December 31, are as follows (dollars in thousands):

Amortized

Gross Unrealized

Estimated

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

2024

U.S. government and agency securities

$

65,650

$

390

$

(27)

$

66,013

Obligations of states and political subdivisions

597,956

 

84

 

(129,703)

 

468,337

Corporate and other bonds (1)

 

253,526

 

505

 

(9,319)

 

244,712

Commercial MBS

 

 

Agency

285,949

 

348

 

(44,678)

241,619

Non-agency

61,552

 

4

 

(2,110)

59,446

Total commercial MBS

347,501

 

352

 

(46,788)

301,065

Residential MBS

Agency

1,478,648

 

1,375

 

(216,754)

1,263,269

Non-agency

99,622

 

672

 

(3,384)

96,910

Total residential MBS

1,578,270

 

2,047

 

(220,138)

1,360,179

Other securities

 

1,860

 

 

 

1,860

Total AFS securities

$

2,844,763

$

3,378

$

(405,975)

$

2,442,166

(1) Other bonds include asset-backed securities.

Schedule of Gross Unrealized Losses and Fair Value of Investments

The following table shows the gross unrealized losses and fair value of the Company’s AFS securities with unrealized losses, which are aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position for the following periods ended (dollars in thousands).

Less than 12 months

More than 12 months

Total

  ​

Fair

  ​

Unrealized

  ​

Fair

  ​

Unrealized

  ​

Fair

  ​

Unrealized

Value

Losses

Value (2)

Losses

Value

Losses

December 31, 2025

 

 

 

 

 

 

U.S. government and agency securities

$

6,689

$

(6)

$

737

$

(8)

$

7,426

$

(14)

Obligations of states and political subdivisions

25

473,201

(101,487)

473,226

(101,487)

Corporate and other bonds (1)

 

37,988

 

(75)

 

98,125

 

(4,132)

 

136,113

 

(4,207)

Commercial MBS

 

Agency

44,536

(166)

161,001

(39,640)

205,537

 

(39,806)

Non-agency

39,171

(177)

22,429

(1,728)

61,600

(1,905)

Total commercial MBS

83,707

(343)

183,430

(41,368)

267,137

(41,711)

Residential MBS

Agency

359,095

(1,564)

886,626

(163,960)

1,245,721

(165,524)

Non-agency

48,559

(247)

24,868

(2,311)

73,427

(2,558)

Total residential MBS

407,654

(1,811)

911,494

(166,271)

1,319,148

(168,082)

Total AFS securities

$

536,063

$

(2,235)

$

1,666,987

$

(313,266)

$

2,203,050

$

(315,501)

December 31, 2024

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

U.S. government and agency securities

$

1,935

$

(2)

$

1,286

$

(25)

$

3,221

$

(27)

Obligations of states and political subdivisions

6,560

(322)

444,056

(129,381)

450,616

(129,703)

Corporate and other bonds (1)

 

8,620

 

(27)

 

145,655

 

(9,292)

 

154,275

 

(9,319)

Commercial MBS

 

Agency

31,291

(359)

160,880

(44,319)

192,171

(44,678)

Non-agency

24,864

(1,188)

21,110

(922)

45,974

(2,110)

Total commercial MBS

56,155

(1,547)

181,990

(45,241)

238,145

(46,788)

Residential MBS

Agency

104,477

(546)

895,714

(216,208)

1,000,191

(216,754)

Non-agency

6,067

(98)

27,851

(3,286)

33,918

(3,384)

Total residential MBS

110,544

(644)

923,565

(219,494)

1,034,109

(220,138)

Total AFS securities

$

183,814

$

(2,542)

$

1,696,552

$

(403,433)

$

1,880,366

$

(405,975)

(1) Other bonds include asset-backed securities.

(2) Comprised of 703 and 726 individual securities as of December 31, 2025 and December 31, 2024, respectively.

Schedule of Amortized Cost and Estimated Fair Value of Securities

The following table presents the amortized cost and estimated fair value of AFS securities as of December 31, by contractual maturity (dollars in thousands). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

2025

2024

  ​ ​ ​

Amortized

  ​ ​ ​

Estimated

  ​ ​ ​

Amortized

  ​ ​ ​

Estimated

Cost

Fair Value

Cost

Fair Value

Due in one year or less

$

63,692

$

63,993

$

35,954

$

35,808

Due after one year through five years

 

298,683

 

299,727

 

215,517

 

215,513

Due after five years through ten years

 

492,242

 

475,707

 

286,487

 

271,443

Due after ten years

 

3,635,381

 

3,354,874

 

2,306,805

 

1,919,402

Total AFS securities

$

4,489,998

$

4,194,301

$

2,844,763

$

2,442,166

Held-to-maturity Securities  
Schedule of Amortized Cost and Estimated Fair Value of Securities

The following table presents the amortized cost and estimated fair value of HTM securities as of December 31, by contractual maturity (dollars in thousands). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

2025

2024

  ​ ​ ​

Carrying

  ​ ​ ​

Estimated

  ​ ​ ​

Carrying

  ​ ​ ​

Estimated

Value

Fair Value

Value

Fair Value

Due in one year or less

$

507

$

503

$

3,369

$

3,358

Due after one year through five years

 

18,813

 

19,150

 

18,293

 

18,547

Due after five years through ten years

 

222,284

 

216,095

 

115,243

 

109,358

Due after ten years

 

642,612

 

621,064

 

666,946

 

628,072

Total HTM securities

$

884,216

$

856,812

$

803,851

$

759,335

Schedule of Carrying Values, Gross Unrealized Gains and Losses and Estimated Fair Value of Securities

The carrying value, gross unrealized gains and losses, and estimated fair values of HTM securities as of December 31, are as follows (dollars in thousands):

Carrying

Gross Unrealized

Estimated

  ​ ​ ​

Value

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

Fair Value

2025

  ​

 

  ​

 

  ​

  ​

Obligations of states and political subdivisions

$

793,162

$

4,139

$

(20,951)

$

776,350

Corporate and other bonds (1)

2,255

(26)

2,229

Commercial MBS

 

Agency

29,074

(5,619)

23,455

Non-agency

11,703

103

(504)

11,302

Total commercial MBS

40,777

103

(6,123)

34,757

Residential MBS

Agency

35,793

(4,397)

31,396

Non-agency

12,229

(149)

12,080

Total residential MBS

48,022

(4,546)

43,476

Total HTM securities

$

884,216

$

4,242

$

(31,646)

$

856,812

(1) Other bonds include asset-backed securities.

The carrying value, gross unrealized gains and losses, and estimated fair values of HTM securities as of December 31, are as follows (dollars in thousands):

Carrying

Gross Unrealized

Estimated

  ​ ​ ​

Value

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

2024

 

  ​

 

  ​

 

  ​

 

  ​

Obligations of states and political subdivisions

$

697,683

$

715

$

(31,763)

$

666,635

Corporate and other bonds (1)

3,322

(82)

3,240

Commercial MBS

Agency

26,787

(6,185)

20,602

Non-agency

17,922

28

(659)

17,291

Total commercial MBS

44,709

28

(6,844)

37,893

Residential MBS

Agency

37,808

(6,288)

31,520

Non-agency

20,329

(282)

20,047

Total residential MBS

58,137

(6,570)

51,567

Total HTM securities

$

803,851

$

743

$

(45,259)

$

759,335

(1) Other bonds include asset-backed securities.