XML 50 R37.htm IDEA: XBRL DOCUMENT 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.