Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Tables)

v3.23.3
SECURITIES (Tables)
9 Months Ended
Sep. 30, 2023
Amortized Cost of HTM Securities by Security Type and Credit Rating

The following table presents the amortized cost of HTM securities as of September 30, 2023 and December 31, 2022 by security type and credit rating (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

U.S. Government and Agency

    

Obligations of states and political

    

Corporate and other

    

Mortgage-backed

    

Total HTM

​

​

securities

​

subdivisions

​

bonds

​

securities

​

securities

September 30, 2023

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Credit Rating:

​

 

​

​

 

​

​

 

​

​

​

​

​

​

​

AAA/AA/A

​

$

—

​

$

689,699

​

$

—

​

$

9,471

​

$

699,170

BBB/BB/B

​

​

—

​

​

1,171

​

​

—

​

​

—

​

​

1,171

Not Rated – Agency(1)

​

​

—

​

​

—

​

​

—

​

​

68,561

​

​

68,561

Not Rated – Non-Agency(2)

​

​

—

​

 

9,530

​

 

4,536

​

​

60,301

​

​

74,367

Total

​

$

—

​

$

700,400

​

$

4,536

​

$

138,333

​

$

843,269

December 31, 2022

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Credit Rating:

​

 

​

​

 

​

​

 

​

​

​

​

​

​

​

AAA/AA/A

​

$

—

​

$

704,803

​

$

—

​

$

2,702

​

$

707,505

BBB/BB/B

​

​

—

​

​

1,187

​

​

—

​

​

—

​

​

1,187

Not Rated – Agency(1)

​

​

687

​

​

—

​

​

—

​

​

71,725

​

​

72,412

Not Rated – Non-Agency(2)

​

​

—

​

 

—

​

 

5,159

​

​

61,469

​

​

66,628

Total

​

$

687

​

$

705,990

​

$

5,159

​

$

135,896

​

$

847,732

(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, 2023 and 2022 (dollars in thousands):

​

​

​

​

​

​

​

​

    

Three Months Ended

    

Nine Months Ended

​

​

September 30, 2023

​

September 30, 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

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Three Months Ended

    

Nine Months Ended

​

​

September 30, 2022

​

September 30, 2022

Realized losses(1):

 

​

  

 

​

  

Gross realized losses

​

 

(2)

​

 

(2)

Net realized losses

​

$

(2)

​

$

(2)

​

​

​

​

​

​

​

Proceeds from sales of securities

​

$

12,469

​

$

12,469

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

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

    

Cost

    

Gains

    

(Losses)

    

Fair Value

September 30, 2023

 

​

  

 

​

  

 

​

  

​

​

  

U.S. government and agency securities

​

$

62,221

​

$

—

​

$

(383)

​

$

61,838

Obligations of states and political subdivisions

​

 

587,340

​

 

—

​

 

(169,880)

​

 

417,460

Corporate and other bonds (1)

​

 

267,816

​

 

—

​

 

(24,998)

​

 

242,818

Commercial MBS

​

 

​

​

​

​

​

​

​

​

 

​

Agency

​

​

215,203

​

 

307

​

 

(50,289)

​

​

165,221

Non-agency

​

​

72,057

​

 

—

​

 

(2,575)

​

​

69,482

Total commercial MBS

​

​

287,260

​

 

307

​

 

(52,864)

​

​

234,703

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

1,319,987

​

 

1

​

 

(268,152)

​

​

1,051,836

Non-agency

​

​

81,677

​

 

—

​

 

(7,131)

​

​

74,546

Total residential MBS

​

​

1,401,664

​

 

1

​

 

(275,283)

​

​

1,126,382

Other securities

​

 

1,727

​

 

—

​

 

—

​

 

1,727

Total AFS securities

​

$

2,608,028

​

$

308

​

$

(523,408)

​

$

2,084,928

(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, 2022 are summarized as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

    

Cost

    

Gains

    

(Losses)

    

Fair Value

December 31, 2022

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government and agency securities

​

$

70,196

​

$

—

​

$

(8,253)

​

$

61,943

Obligations of states and political subdivisions

​

​

959,999

​

 

137

​

 

(152,701)

​

 

807,435

Corporate and other bonds (1)

​

 

243,979

​

 

—

​

 

(17,599)

​

 

226,380

Commercial MBS

​

 

​

​

​

​

​

​

​

​

 

​

Agency

​

​

250,186

​

 

75

​

 

(39,268)

​

​

210,993

Non-agency

​

​

99,412

​

 

—

​

 

(4,244)

​

​

95,168

Total commercial MBS

​

​

349,598

​

 

75

​

 

(43,512)

​

​

306,161

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

1,510,110

​

 

81

​

 

(233,961)

​

​

1,276,230

Non-agency

​

​

68,815

​

 

—

​

 

(6,812)

​

​

62,003

Total residential MBS

​

​

1,578,925

​

 

81

​

 

(240,773)

​

​

1,338,233

Other securities

​

 

1,664

​

 

—

​

 

—

​

 

1,664

Total AFS securities

​

$

3,204,361

​

$

293

​

$

(462,838)

​

$

2,741,816

(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. These are aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position (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, 2023

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

U.S. government and agency securities

​

$

59,568

​

$

(349)

​

$

2,169

​

$

(34)

​

$

61,737

​

$

(383)

Obligations of states and political subdivisions

​

​

16,023

​

​

(3,567)

​

​

399,438

​

​

(166,313)

​

​

415,461

​

​

(169,880)

Corporate and other bonds(1)

​

 

100,231

​

 

(776)

​

 

142,587

​

 

(24,222)

​

 

242,818

​

 

(24,998)

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

15,074

​

​

(709)

​

​

135,725

​

​

(49,580)

​

​

150,799

​

​

(50,289)

Non-agency

​

​

—

​

​

—

​

​

69,482

​

​

(2,575)

​

​

69,482

​

​

(2,575)

Total commercial MBS

​

​

15,074

​

​

(709)

​

​

205,207

​

​

(52,155)

​

​

220,281

​

​

(52,864)

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

55,550

​

​

(461)

​

​

972,755

​

​

(267,691)

​

​

1,028,305

​

​

(268,152)

Non-agency

​

​

19,776

​

​

(90)

​

​

45,745

​

​

(7,041)

​

​

65,521

​

​

(7,131)

Total residential MBS

​

​

75,326

​

​

(551)

​

​

1,018,500

​

​

(274,732)

​

​

1,093,826

​

​

(275,283)

Total AFS securities

​

$

266,222

​

$

(5,952)

​

$

1,767,901

​

$

(517,456)

​

$

2,034,123

​

$

(523,408)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2022

​

 

  

​

 

  

​

 

  

​

 

  

​

 

  

​

 

  

U.S. government and agency securities

​

$

2,594

​

$

(166)

​

$

59,269

​

$

(8,087)

​

$

61,863

​

$

(8,253)

Obligations of states and political subdivisions

​

​

588,668

​

​

(86,895)

​

​

187,375

​

​

(65,806)

​

​

776,043

​

​

(152,701)

Corporate and other bonds(1)

​

 

206,861

​

 

(15,019)

​

 

17,121

​

 

(2,580)

​

 

223,982

​

 

(17,599)

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

73,362

​

​

(7,024)

​

​

127,193

​

​

(32,244)

​

​

200,555

​

​

(39,268)

Non-agency

​

​

66,618

​

​

(2,231)

​

​

28,550

​

​

(2,013)

​

​

95,168

​

​

(4,244)

Total commercial MBS

​

​

139,980

​

​

(9,255)

​

​

155,743

​

​

(34,257)

​

​

295,723

​

​

(43,512)

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

328,590

​

​

(27,769)

​

​

929,581

​

​

(206,192)

​

​

1,258,171

​

​

(233,961)

Non-agency

​

​

18,939

​

​

(1,288)

​

​

43,064

​

​

(5,524)

​

​

62,003

​

​

(6,812)

Total residential MBS

​

​

347,529

​

​

(29,057)

​

​

972,645

​

​

(211,716)

​

​

1,320,174

​

​

(240,773)

Total AFS securities

​

$

1,285,632

​

$

(140,392)

​

$

1,392,153

​

$

(322,446)

​

$

2,677,785

​

$

(462,838)

(1) Other bonds include asset-backed securities.

(2) Comprised of 761 and 363 individual securities as of September 30, 2023 and December 31, 2022, 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 September 30, 2023 and December 31, 2022, 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, 2023

​

December 31, 2022

​

    

Amortized

    

Estimated

    

Amortized

    

Estimated

​

​

Cost

​

Fair Value

​

Cost

​

Fair Value

Due in one year or less

​

$

56,948

​

$

56,120

​

$

42,447

​

$

41,735

Due after one year through five years

​

 

138,070

​

 

135,530

​

 

158,063

​

 

152,523

Due after five years through ten years

​

 

262,259

​

 

236,096

​

 

343,303

​

 

312,935

Due after ten years

​

 

2,150,751

​

 

1,657,182

​

 

2,660,548

​

 

2,234,623

Total AFS securities

​

$

2,608,028

​

$

2,084,928

​

$

3,204,361

​

$

2,741,816

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 September 30, 2023 and December 31, 2022, 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, 2023

​

December 31, 2022

​

    

Carrying

    

Estimated

    

Carrying

    

Estimated

​

​

Value

​

Fair Value

​

Value

​

Fair Value

Due in one year or less

​

$

2,759

​

$

2,735

​

$

2,010

​

$

2,006

Due after one year through five years

​

 

36,604

​

 

36,272

​

 

35,044

​

 

35,014

Due after five years through ten years

​

 

43,652

​

 

41,057

​

 

19,941

​

 

20,239

Due after ten years

​

 

760,254

​

 

681,982

​

 

790,737

​

 

744,628

Total HTM securities

​

$

843,269

​

$

762,046

​

$

847,732

​

$

801,887

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 September 30, 2023 are summarized as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

    

Value

    

Gains

    

(Losses)

​

Fair Value

September 30, 2023

 

​

  

 

​

  

 

​

  

​

​

  

Obligations of states and political subdivisions

​

$

700,400

​

$

49

​

$

(64,625)

​

$

635,824

Corporate and other bonds(1)

​

​

4,536

​

​

—

​

​

(170)

​

​

4,366

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

Agency

​

​

27,568

​

​

—

​

​

(6,788)

​

​

20,780

Non-agency

​

​

24,930

​

​

—

​

​

(904)

​

​

24,026

Total commercial MBS

​

​

52,498

​

​

—

​

​

(7,692)

​

​

44,806

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

40,992

​

​

—

​

​

(7,865)

​

​

33,127

Non-agency

​

​

44,843

​

​

—

​

​

(920)

​

​

43,923

Total residential MBS

​

​

85,835

​

​

—

​

​

(8,785)

​

​

77,050

Total HTM securities

​

$

843,269

​

$

49

​

$

(81,272)

​

$

762,046

(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, 2022 are summarized as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

    

Value

    

Gains

    

(Losses)

    

Fair Value

December 31, 2022

​

 

  

​

 

  

​

 

  

​

 

  

U.S. government and agency securities

​

$

687

​

$

—

​

$

(56)

​

$

631

Obligations of states and political subdivisions

​

​

705,990

​

​

2,218

​

​

(35,957)

​

​

672,251

Corporate and other bonds(1)

​

​

5,159

​

​

—

​

​

(10)

​

​

5,149

Commercial MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

29,025

​

​

—

​

​

(4,873)

​

​

24,152

Non-agency

​

​

13,736

​

​

—

​

​

(126)

​

​

13,610

Total commercial MBS

​

​

42,761

​

​

—

​

​

(4,999)

​

​

37,762

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

42,699

​

​

—

​

​

(6,427)

​

​

36,272

Non-agency

​

​

50,436

​

​

—

​

​

(614)

​

​

49,822

Total residential MBS

​

​

93,135

​

​

—

​

​

(7,041)

​

​

86,094

Total HTM securities

​

$

847,732

​

$

2,218

​

$

(48,063)

​

$

801,887

(1) Other bonds include asset-backed securities.