Quarterly report pursuant to Section 13 or 15(d)

SECURITIES AND OTHER INVESTMENTS (Tables)

v3.24.3
SECURITIES AND OTHER INVESTMENTS (Tables)
9 Months Ended
Sep. 30, 2024
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, 2024

​

​

​

​

​

​

​

​

​

​

​

​

Credit Rating:

​

 

​

​

 

​

​

​

​

​

​

​

AAA/AA/A

​

$

684,805

​

$

—

​

$

6,439

​

$

691,244

BBB/BB/B

​

​

1,150

​

​

—

​

​

—

​

​

1,150

Not Rated – Agency(1)

​

​

—

​

​

—

​

​

67,416

​

​

67,416

Not Rated – Non-Agency(2)

​

 

9,505

​

 

3,484

​

​

34,281

​

​

47,270

Total

​

$

695,460

​

$

3,484

​

$

108,136

​

$

807,080

December 31, 2023

​

​

​

​

​

​

​

​

​

​

​

​

Credit Rating:

​

 

​

​

 

​

​

​

​

​

​

​

AAA/AA/A

​

$

688,499

​

$

—

​

$

9,720

​

$

698,219

BBB/BB/B

​

​

1,166

​

​

—

​

​

—

​

​

1,166

Not Rated – Agency(1)

​

​

—

​

​

—

​

​

68,039

​

​

68,039

Not Rated – Non-Agency(2)

​

 

9,524

​

 

4,349

​

​

56,081

​

​

69,954

Total

​

$

699,189

​

$

4,349

​

$

133,840

​

$

837,378

(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

​

​

2024

​

2024

Realized gains (losses)(1):

 

​

  

 

​

  

Gross realized gains

​

$

4

​

$

16

Gross realized losses

​

 

—

​

 

(6,526)

Net realized gains (losses)

​

$

4

​

$

(6,510)

​

​

​

​

​

​

​

Proceeds from sales of securities

​

$

102,888

​

$

620,405

​

​

​

​

​

​

​

​

​

    

Three Months Ended

    

Nine Months Ended

​

​

2023

​

2023

Realized gains (losses)(1):

 

​

  

 

​

  

Gross realized gains

​

$

4

​

$

1,352

Gross realized losses

​

 

(27,598)

​

 

(42,344)

Net realized losses

​

$

(27,594)

​

$

(40,992)

​

​

​

​

​

​

​

Proceeds from sales of securities

​

$

256,780

​

$

856,881

(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, 2024 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

    

Cost

    

Gains

    

(Losses)

    

Fair Value

September 30, 2024

 

​

  

 

​

  

 

​

  

​

​

  

U.S. government and agency securities

​

$

65,384

​

$

1,313

​

$

(26)

​

$

66,671

Obligations of states and political subdivisions

​

 

600,074

​

 

294

​

 

(111,841)

​

 

488,527

Corporate and other bonds (1)

​

 

283,861

​

 

631

​

 

(12,517)

​

 

271,975

Commercial MBS

​

 

​

​

​

​

​

​

​

​

 

​

Agency

​

​

287,747

​

 

1,724

​

 

(37,721)

​

​

251,750

Non-agency

​

​

76,501

​

 

202

​

 

(1,636)

​

​

75,067

Total commercial MBS

​

​

364,248

​

 

1,926

​

 

(39,357)

​

​

326,817

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

1,522,319

​

 

4,144

​

 

(176,187)

​

​

1,350,276

Non-agency

​

​

104,967

​

 

984

​

 

(3,867)

​

​

102,084

Total residential MBS

​

​

1,627,286

​

 

5,128

​

 

(180,054)

​

​

1,452,360

Other securities

​

 

1,832

​

 

—

​

 

—

​

 

1,832

Total AFS securities

​

$

2,942,685

​

$

9,292

​

$

(343,795)

​

$

2,608,182

(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, 2023 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

    

Cost

    

Gains

    

(Losses)

    

Fair Value

December 31, 2023

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government and agency securities

​

$

62,367

​

$

1,023

​

$

(34)

​

$

63,356

Obligations of states and political subdivisions

​

​

586,865

​

 

33

​

 

(111,451)

​

 

475,447

Corporate and other bonds (1)

​

 

261,656

​

 

7

​

 

(19,774)

​

 

241,889

Commercial MBS

​

 

​

​

​

​

​

​

​

​

 

​

Agency

​

​

233,775

​

 

274

​

 

(41,181)

​

​

192,868

Non-agency

​

​

66,743

​

 

—

​

 

(1,965)

​

​

64,778

Total commercial MBS

​

​

300,518

​

 

274

​

 

(43,146)

​

​

257,646

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

1,312,538

​

 

114

​

 

(205,635)

​

​

1,107,017

Non-agency

​

​

89,840

​

 

141

​

 

(5,827)

​

​

84,154

Total residential MBS

​

​

1,402,378

​

 

255

​

 

(211,462)

​

​

1,191,171

Other securities

​

 

1,752

​

 

—

​

 

—

​

 

1,752

Total AFS securities

​

$

2,615,536

​

$

1,592

​

$

(385,867)

​

$

2,231,261

(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, 2024

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

U.S. government and agency securities

​

$

—

​

$

—

​

$

1,439

​

$

(26)

​

$

1,439

​

$

(26)

Obligations of states and political subdivisions

​

​

1,277

​

​

(213)

​

​

462,306

​

​

(111,628)

​

​

463,583

​

​

(111,841)

Corporate and other bonds(1)

​

 

14,899

​

 

(167)

​

 

188,773

​

 

(12,350)

​

 

203,672

​

 

(12,517)

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

25,224

​

​

(86)

​

​

148,257

​

​

(37,635)

​

​

173,481

​

​

(37,721)

Non-agency

​

​

17,533

​

​

(616)

​

​

40,135

​

​

(1,020)

​

​

57,668

​

​

(1,636)

Total commercial MBS

​

​

42,757

​

​

(702)

​

​

188,392

​

​

(38,655)

​

​

231,149

​

​

(39,357)

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

94,214

​

​

(288)

​

​

947,499

​

​

(175,899)

​

​

1,041,713

​

​

(176,187)

Non-agency

​

​

16,199

​

​

(96)

​

​

29,821

​

​

(3,771)

​

​

46,020

​

​

(3,867)

Total residential MBS

​

​

110,413

​

​

(384)

​

​

977,320

​

​

(179,670)

​

​

1,087,733

​

​

(180,054)

Total AFS securities

​

$

169,346

​

$

(1,466)

​

$

1,818,230

​

$

(342,329)

​

$

1,987,576

​

$

(343,795)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2023

​

 

  

​

 

  

​

 

  

​

 

  

​

 

  

​

 

  

U.S. government and agency securities

​

$

—

​

$

—

​

$

1,980

​

$

(34)

​

$

1,980

​

$

(34)

Obligations of states and political subdivisions

​

​

11,758

​

​

(2,090)

​

​

455,931

​

​

(109,361)

​

​

467,689

​

​

(111,451)

Corporate and other bonds(1)

​

 

89,450

​

 

(531)

​

 

144,155

​

 

(19,243)

​

 

233,605

​

 

(19,774)

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

35,665

​

​

(547)

​

​

143,657

​

​

(40,634)

​

​

179,322

​

​

(41,181)

Non-agency

​

​

—

​

​

—

​

​

64,778

​

​

(1,965)

​

​

64,778

​

​

(1,965)

Total commercial MBS

​

​

35,665

​

​

(547)

​

​

208,435

​

​

(42,599)

​

​

244,100

​

​

(43,146)

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

59,707

​

​

(491)

​

​

1,011,809

​

​

(205,144)

​

​

1,071,516

​

​

(205,635)

Non-agency

​

​

9,022

​

​

(41)

​

​

40,085

​

​

(5,786)

​

​

49,107

​

​

(5,827)

Total residential MBS

​

​

68,729

​

​

(532)

​

​

1,051,894

​

​

(210,930)

​

​

1,120,623

​

​

(211,462)

Total AFS securities

​

$

205,602

​

$

(3,700)

​

$

1,862,395

​

$

(382,167)

​

$

2,067,997

​

$

(385,867)

(1) Other bonds include asset-backed securities.

(2) Comprised of 740 and 757 individual securities as of September 30, 2024 and December 31, 2023, 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, 2024

​

December 31, 2023

​

    

Amortized

    

Estimated

    

Amortized

    

Estimated

​

​

Cost

​

Fair Value

​

Cost

​

Fair Value

Due in one year or less

​

$

49,287

​

$

49,040

​

$

52,427

​

$

51,936

Due after one year through five years

​

 

214,039

​

 

215,657

​

 

150,271

​

 

149,545

Due after five years through ten years

​

 

322,155

​

 

305,664

​

 

282,309

​

 

261,720

Due after ten years

​

 

2,357,204

​

 

2,037,821

​

 

2,130,529

​

 

1,768,060

Total AFS securities

​

$

2,942,685

​

$

2,608,182

​

$

2,615,536

​

$

2,231,261

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, 2024

​

December 31, 2023

​

    

Carrying

    

Estimated

    

Carrying

    

Estimated

​

​

Value

​

Fair Value

​

Value

​

Fair Value

Due in one year or less

​

$

4,022

​

$

3,997

​

$

3,065

​

$

3,058

Due after one year through five years

​

 

13,173

​

 

13,554

​

 

34,093

​

 

34,613

Due after five years through ten years

​

 

103,411

​

 

100,798

​

 

45,919

​

 

45,263

Due after ten years

​

 

686,474

​

 

658,478

​

 

754,301

​

 

725,140

Total HTM securities

​

$

807,080

​

$

776,827

​

$

837,378

​

$

808,074

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

​

The Company reports HTM securities on the Company’s Consolidated Balance Sheets at carrying value. Carrying value is amortized cost, which includes any unamortized unrealized gains and losses recognized in AOCI prior to reclassifying the securities from AFS securities to HTM securities. The carrying value, gross unrealized gains and losses, and estimated fair values of HTM securities as of September 30, 2024 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

    

Value

    

Gains

    

(Losses)

​

Fair Value

September 30, 2024

​

​

  

 

​

  

 

​

  

​

​

  

Obligations of states and political subdivisions

​

$

695,460

​

$

3,775

​

$

(23,241)

​

$

675,994

Corporate and other bonds(1)

​

​

3,484

​

​

—

​

​

(64)

​

​

3,420

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

Agency

​

​

27,164

​

​

—

​

​

(5,308)

​

​

21,856

Non-agency

​

​

21,218

​

​

156

​

​

(533)

​

​

20,841

Total commercial MBS

​

​

48,382

​

​

156

​

​

(5,841)

​

​

42,697

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

38,339

​

​

—

​

​

(4,872)

​

​

33,467

Non-agency

​

​

21,415

​

​

15

​

​

(181)

​

​

21,249

Total residential MBS

​

​

59,754

​

​

15

​

​

(5,053)

​

​

54,716

Total HTM securities

​

$

807,080

​

$

3,946

​

$

(34,199)

​

$

776,827

(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, 2023 are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

    

Value

    

Gains

    

(Losses)

    

Fair Value

December 31, 2023

​

 

  

​

 

  

​

 

  

​

 

  

Obligations of states and political subdivisions

​

$

699,189

​

$

6,175

​

$

(23,464)

​

$

681,900

Corporate and other bonds(1)

​

​

4,349

​

​

—

​

​

(100)

​

​

4,249

Commercial MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

27,477

​

​

—

​

​

(5,570)

​

​

21,907

Non-agency

​

​

24,503

​

​

37

​

​

(449)

​

​

24,091

Total commercial MBS

​

​

51,980

​

​

37

​

​

(6,019)

​

​

45,998

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

40,562

​

​

—

​

​

(5,713)

​

​

34,849

Non-agency

​

​

41,298

​

​

122

​

​

(342)

​

​

41,078

Total residential MBS

​

​

81,860

​

​

122

​

​

(6,055)

​

​

75,927

Total HTM securities

​

$

837,378

​

$

6,334

​

$

(35,638)

​

$

808,074

(1) Other bonds include asset-backed securities.