Quarterly report [Sections 13 or 15(d)]

SECURITIES AND OTHER INVESTMENTS (Tables)

v3.26.3
SECURITIES AND OTHER INVESTMENTS (Tables)
9 Months Ended
Sep. 30, 2026
Amortized Cost of HTM Securities by Security Type and Credit Rating

The following table presents the amortized cost of HTM securities as of the periods ended, 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

September 30, 2026

​

​

​

​

​

​

​

​

​

​

​

​

Credit Rating:

​

 

​

​

 

​

​

​

​

​

​

​

AAA/AA/A

​

$

755,497

​

$

—

​

$

1,509

​

$

757,006

BBB/BB/B

​

​

1,105

​

​

—

​

​

—

​

​

1,105

Not Rated – Agency (1)

​

​

—

​

​

—

​

​

62,113

​

​

62,113

Not Rated – Non-Agency (2)

​

 

9,564

​

 

1,424

​

​

14,114

​

​

25,102

Total

​

$

766,166

​

$

1,424

​

$

77,736

​

$

845,326

December 31, 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

(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 three and nine months ended September 30, (dollars in thousands):

​

​

​

​

​

​

​

​

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Nine Months Ended

​

​

2026

​

2026

Realized gains(1):

 

​

  ​

 

​

  ​

Gross realized gains

​

$

10

​

$

16

Net realized gains

​

$

10

​

$

16

Proceeds from sales of securities

​

$

164,693

​

$

374,275

​

​

​

​

​

​

​

​

​

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Nine Months Ended

​

​

2025

​

2025

Realized gains (losses) (1):

 

​

  ​

 

​

  ​

Gross realized gains

​

$

4

​

$

34

Gross realized losses

​

 

—

​

 

(117)

Net realized gains (losses)

​

$

4

​

$

(83)

Proceeds from sales of securities

​

$

184

​

$

630,095

(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 September 30, 2026 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

U.S. government and agency securities

​

$

99,959

​

$

57

​

$

(225)

​

$

99,791

Obligations of states and political subdivisions

​

 

595,755

​

 

2

​

 

(156,541)

​

 

439,216

Corporate and other bonds (1)

​

 

206,525

​

 

531

​

 

(2,511)

​

 

204,545

Commercial MBS

​

 

​

​

​

​

​

​

​

​

 

​

Agency

​

​

332,716

​

 

295

​

 

(50,588)

​

​

282,423

Non-agency

​

​

117,358

​

 

—

​

 

(3,967)

​

​

113,391

Total commercial MBS

​

​

450,074

​

 

295

​

 

(54,555)

​

​

395,814

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

2,732,428

​

 

901

​

 

(256,404)

​

​

2,476,925

Non-agency

​

​

137,211

​

 

—

​

 

(6,558)

​

​

130,653

Total residential MBS

​

​

2,869,639

​

 

901

​

 

(262,962)

​

​

2,607,578

Other securities

​

 

2,021

​

 

—

​

 

—

​

 

2,021

Total AFS securities

​

$

4,223,973

​

$

1,786

​

$

(476,794)

​

$

3,748,965

(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, 2025 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

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.

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

September 30, 2026

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

U.S. government and agency securities

​

$

26,920

​

$

(217)

​

$

584

​

$

(8)

​

$

27,504

​

$

(225)

Obligations of states and political subdivisions

​

​

25,441

​

​

(1,622)

​

​

411,575

​

​

(154,919)

​

​

437,016

​

​

(156,541)

Corporate and other bonds (1)

​

 

55,498

​

 

(357)

​

 

86,763

​

 

(2,154)

​

 

142,261

​

 

(2,511)

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

88,131

​

​

(3,557)

​

​

141,332

​

​

(47,031)

​

​

229,463

​

 

(50,588)

Non-agency

​

​

67,993

​

​

(1,344)

​

​

36,725

​

​

(2,623)

​

​

104,718

​

​

(3,967)

Total commercial MBS

​

​

156,124

​

​

(4,901)

​

​

178,057

​

​

(49,654)

​

​

334,181

​

​

(54,555)

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

1,578,691

​

​

(49,454)

​

​

759,657

​

​

(206,950)

​

​

2,338,348

​

​

(256,404)

Non-agency

​

​

97,549

​

​

(3,433)

​

​

33,105

​

​

(3,125)

​

​

130,654

​

​

(6,558)

Total residential MBS

​

​

1,676,240

​

​

(52,887)

​

​

792,762

​

​

(210,075)

​

​

2,469,002

​

​

(262,962)

Total AFS securities

​

$

1,940,223

​

$

(59,984)

​

$

1,469,741

​

$

(416,810)

​

$

3,409,964

​

$

(476,794)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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)

(1) Other bonds include asset-backed securities.

(2) Comprised of 700 and 703 individual securities as of September 30, 2026 and December 31, 2025, 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 the periods ended, 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.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

September 30, 2026

​

December 31, 2025

​

  ​ ​ ​

Amortized

  ​ ​ ​

Estimated

  ​ ​ ​

Amortized

  ​ ​ ​

Estimated

​

​

Cost

​

Fair Value

​

Cost

​

Fair Value

Due in one year or less

​

$

101,001

​

$

100,984

​

$

63,692

​

$

63,993

Due after one year through five years

​

 

323,504

​

 

319,060

​

 

298,683

​

 

299,727

Due after five years through ten years

​

 

402,291

​

 

356,498

​

 

492,242

​

 

475,707

Due after ten years

​

 

3,397,177

​

 

2,972,423

​

 

3,635,381

​

 

3,354,874

Total AFS securities

​

$

4,223,973

​

$

3,748,965

​

$

4,489,998

​

$

4,194,301

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 the periods ended 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.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

September 30, 2026

​

December 31, 2025

​

  ​ ​ ​

Carrying

  ​ ​ ​

Estimated

  ​ ​ ​

Carrying

  ​ ​ ​

Estimated

​

​

Value

​

Fair Value

​

Value

​

Fair Value

Due in one year or less

​

$

5,587

​

$

5,592

​

$

507

​

$

503

Due after one year through five years

​

 

25,831

​

 

25,706

​

 

18,813

​

 

19,150

Due after five years through ten years

​

 

293,486

​

 

267,875

​

 

222,284

​

 

216,095

Due after ten years

​

 

520,422

​

 

463,073

​

 

642,612

​

 

621,064

Total HTM securities

​

$

845,326

​

$

762,246

​

$

884,216

​

$

856,812

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

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

  ​ ​ ​

Value

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

​

Fair Value

Obligations of states and political subdivisions

​

$

766,166

​

$

6

​

$

(69,089)

​

$

697,083

Corporate and other bonds (1)

​

​

1,424

​

​

—

​

​

(24)

​

​

1,400

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

Agency

​

​

28,693

​

​

—

​

​

(7,124)

​

​

21,569

Non-agency

​

​

9,717

​

​

—

​

​

(594)

​

​

9,123

Total commercial MBS

​

​

38,410

​

​

—

​

​

(7,718)

​

​

30,692

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

33,420

​

​

—

​

​

(6,049)

​

​

27,371

Non-agency

​

​

5,906

​

​

—

​

​

(206)

​

​

5,700

Total residential MBS

​

​

39,326

​

​

—

​

​

(6,255)

​

​

33,071

Total HTM securities

​

$

845,326

​

$

6

​

$

(83,086)

​

$

762,246

(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, 2025 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

  ​ ​ ​

Value

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

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.