Quarterly report [Sections 13 or 15(d)]

SECURITIES AND OTHER INVESTMENTS (Tables)

v3.26.1
SECURITIES AND OTHER INVESTMENTS (Tables)
6 Months Ended
Jun. 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

June 30, 2026

Credit Rating:

 

 

AAA/AA/A

$

763,759

$

$

1,573

$

765,332

BBB/BB/B

1,110

1,110

Not Rated – Agency (1)

63,130

63,130

Not Rated – Non-Agency (2)

 

9,572

 

1,710

20,052

31,334

Total

$

774,441

$

1,710

$

84,755

$

860,906

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 six months ended June 30, (dollars in thousands):

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Six Months Ended

2026

2026

Realized gains(1):

 

  ​

 

  ​

Gross realized gains

$

4

$

6

Net realized gains

$

4

$

6

Proceeds from sales of securities

$

129,442

$

209,582

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Six Months Ended

2025

2025

Realized gains (losses) (1):

 

  ​

 

  ​

Gross realized gains

$

16

$

30

Gross realized losses

 

 

(117)

Net realized gains (losses)

$

16

$

(87)

Proceeds from sales of securities

$

588,546

$

629,911

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

Amortized

Gross Unrealized

Estimated

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

(Losses)

  ​ ​ ​

Fair Value

U.S. government and agency securities

$

101,072

$

192

$

(152)

$

101,112

Obligations of states and political subdivisions

 

591,738

 

88

 

(100,555)

 

491,271

Corporate and other bonds (1)

 

196,797

 

537

 

(2,750)

 

194,584

Commercial MBS

 

 

Agency

334,878

 

508

 

(40,131)

295,255

Non-agency

128,202

 

79

 

(3,130)

125,151

Total commercial MBS

463,080

 

587

 

(43,261)

420,406

Residential MBS

Agency

2,711,777

 

4,651

 

(174,198)

2,542,230

Non-agency

127,359

 

682

 

(2,927)

125,114

Total residential MBS

2,839,136

 

5,333

 

(177,125)

2,667,344

Other securities

 

2,000

 

 

 

2,000

Total AFS securities

$

4,193,823

$

6,737

$

(323,843)

$

3,876,717

(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

June 30, 2026

 

 

 

 

 

 

U.S. government and agency securities

$

33,795

$

(139)

$

893

$

(13)

$

34,688

$

(152)

Obligations of states and political subdivisions

7,827

(403)

466,964

(100,152)

474,791

(100,555)

Corporate and other bonds (1)

 

31,720

 

(122)

 

89,745

 

(2,628)

 

121,465

 

(2,750)

Commercial MBS

 

Agency

73,165

(572)

144,318

(39,559)

217,483

 

(40,131)

Non-agency

69,811

(926)

33,846

(2,204)

103,657

(3,130)

Total commercial MBS

142,976

(1,498)

178,164

(41,763)

321,140

(43,261)

Residential MBS

Agency

993,857

(8,046)

817,802

(166,152)

1,811,659

(174,198)

Non-agency

67,344

(717)

22,420

(2,210)

89,764

(2,927)

Total residential MBS

1,061,201

(8,763)

840,222

(168,362)

1,901,423

(177,125)

Total AFS securities

$

1,277,519

$

(10,925)

$

1,575,988

$

(312,918)

$

2,853,507

$

(323,843)

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 696 and 703 individual securities as of June 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.

June 30, 2026

December 31, 2025

  ​ ​ ​

Amortized

  ​ ​ ​

Estimated

  ​ ​ ​

Amortized

  ​ ​ ​

Estimated

Cost

Fair Value

Cost

Fair Value

Due in one year or less

$

96,625

$

96,790

$

63,692

$

63,993

Due after one year through five years

 

285,478

 

284,536

 

298,683

 

299,727

Due after five years through ten years

 

432,431

 

410,204

 

492,242

 

475,707

Due after ten years

 

3,379,289

 

3,085,187

 

3,635,381

 

3,354,874

Total AFS securities

$

4,193,823

$

3,876,717

$

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.

June 30, 2026

December 31, 2025

  ​ ​ ​

Carrying

  ​ ​ ​

Estimated

  ​ ​ ​

Carrying

  ​ ​ ​

Estimated

Value

Fair Value

Value

Fair Value

Due in one year or less

$

10,793

$

10,828

$

507

$

503

Due after one year through five years

 

25,892

 

26,307

 

18,813

 

19,150

Due after five years through ten years

 

256,544

 

248,372

 

222,284

 

216,095

Due after ten years

 

567,677

 

546,257

 

642,612

 

621,064

Total HTM securities

$

860,906

$

831,764

$

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

$

774,441

$

3,541

$

(21,677)

$

756,305

Corporate and other bonds (1)

1,710

(29)

1,681

Commercial MBS

 

Agency

28,829

(5,755)

23,074

Non-agency

10,409

61

(491)

9,979

Total commercial MBS

39,238

61

(6,246)

33,053

Residential MBS

Agency

34,301

(4,604)

29,697

Non-agency

11,216

(188)

11,028

Total residential MBS

45,517

(4,792)

40,725

Total HTM securities

$

860,906

$

3,602

$

(32,744)

$

831,764

(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.