Quarterly report pursuant to Section 13 or 15(d)

SECURITIES AND OTHER INVESTMENTS (Tables)

v3.24.1.u1
SECURITIES AND OTHER INVESTMENTS (Tables)
3 Months Ended
Mar. 31, 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

March 31, 2024

​

​

​

​

​

​

​

​

​

​

​

​

Credit Rating:

​

 

​

​

 

​

​

​

​

​

​

​

AAA/AA/A

​

$

685,273

​

$

—

​

$

9,186

​

$

694,459

BBB/BB/B

​

​

1,160

​

​

—

​

​

—

​

​

1,160

Not Rated – Agency(1)

​

​

—

​

​

—

​

​

67,305

​

​

67,305

Not Rated – Non-Agency(2)

​

 

9,519

​

 

4,230

​

​

52,255

​

​

66,004

Total

​

$

695,952

​

$

4,230

​

$

128,746

​

$

828,928

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 months ended March 31, (dollars in thousands):

​

​

​

​

​

​

​

​

    

​

    

​

​

​

2024

​

2023

Realized gains (losses)(1):

 

​

  

 

​

  

Gross realized gains

​

$

3

​

$

1,346

Gross realized losses

​

 

—

​

 

(14,746)

Net realized gains (losses)

​

$

3

​

$

(13,400)

​

​

​

​

​

​

​

Proceeds from sales of securities

​

$

61,943

​

$

558,466

(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 for the periods ended are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

    

Cost

    

Gains

    

(Losses)

    

Fair Value

March 31, 2024

 

​

  

 

​

  

 

​

  

​

​

  

U.S. government and agency securities

​

$

62,561

​

$

208

​

$

(33)

​

$

62,736

Obligations of states and political subdivisions

​

 

585,749

​

 

14

​

 

(123,913)

​

 

461,850

Corporate and other bonds (1)

​

 

267,621

​

 

83

​

 

(17,440)

​

 

250,264

Commercial MBS

​

 

​

​

​

​

​

​

​

​

 

​

Agency

​

​

231,296

​

 

160

​

 

(42,609)

​

​

188,847

Non-agency

​

​

58,243

​

 

—

​

 

(1,756)

​

​

56,487

Total commercial MBS

​

​

289,539

​

 

160

​

 

(44,365)

​

​

245,334

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

1,322,392

​

 

350

​

 

(220,742)

​

​

1,102,000

Non-agency

​

​

83,437

​

 

213

​

 

(5,397)

​

​

78,253

Total residential MBS

​

​

1,405,829

​

 

563

​

 

(226,139)

​

​

1,180,253

Other securities

​

 

1,779

​

 

—

​

 

—

​

 

1,779

Total AFS securities

​

$

2,613,078

​

$

1,028

​

$

(411,890)

​

$

2,202,216

(1) Other bonds include asset-backed securities.

The amortized cost, gross unrealized gains and losses, and estimated fair values of AFS securities for the periods ended 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

March 31, 2024

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

​

 

​

U.S. government and agency securities

​

$

—

​

$

—

​

$

1,808

​

$

(33)

​

$

1,808

​

$

(33)

Obligations of states and political subdivisions

​

​

14,061

​

​

(2,301)

​

​

443,557

​

​

(121,612)

​

​

457,618

​

​

(123,913)

Corporate and other bonds(1)

​

 

78,546

​

 

(348)

​

 

144,239

​

 

(17,092)

​

 

222,785

​

 

(17,440)

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

35,287

​

​

(548)

​

​

140,475

​

​

(42,061)

​

​

175,762

​

​

(42,609)

Non-agency

​

​

14,536

​

​

(257)

​

​

41,951

​

​

(1,499)

​

​

56,487

​

​

(1,756)

Total commercial MBS

​

​

49,823

​

​

(805)

​

​

182,426

​

​

(43,560)

​

​

232,249

​

​

(44,365)

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

43,155

​

​

(273)

​

​

974,263

​

​

(220,469)

​

​

1,017,418

​

​

(220,742)

Non-agency

​

​

16,963

​

​

(48)

​

​

35,832

​

​

(5,349)

​

​

52,795

​

​

(5,397)

Total residential MBS

​

​

60,118

​

​

(321)

​

​

1,010,095

​

​

(225,818)

​

​

1,070,213

​

​

(226,139)

Total AFS securities

​

$

202,548

​

$

(3,775)

​

$

1,782,125

​

$

(408,115)

​

$

1,984,673

​

$

(411,890)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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 759 and 757 individual securities as of March 31, 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.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

March 31, 2024

​

December 31, 2023

​

    

Amortized

    

Estimated

    

Amortized

    

Estimated

​

​

Cost

​

Fair Value

​

Cost

​

Fair Value

Due in one year or less

​

$

35,082

​

$

34,745

​

$

52,427

​

$

51,936

Due after one year through five years

​

 

168,601

​

 

167,029

​

 

150,271

​

 

149,545

Due after five years through ten years

​

 

253,073

​

 

234,773

​

 

282,309

​

 

261,720

Due after ten years

​

 

2,156,321

​

 

1,765,668

​

 

2,130,529

​

 

1,768,060

Total AFS securities

​

$

2,613,078

​

$

2,202,216

​

$

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.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

March 31, 2024

​

December 31, 2023

​

    

Carrying

    

Estimated

    

Carrying

    

Estimated

​

​

Value

​

Fair Value

​

Value

​

Fair Value

Due in one year or less

​

$

1,048

​

$

1,042

​

$

3,065

​

$

3,058

Due after one year through five years

​

 

31,730

​

 

32,080

​

 

34,093

​

 

34,613

Due after five years through ten years

​

 

67,865

​

 

66,426

​

 

45,919

​

 

45,263

Due after ten years

​

 

728,285

​

 

691,797

​

 

754,301

​

 

725,140

Total HTM securities

​

$

828,928

​

$

791,345

​

$

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 for the periods ended are as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

    

Value

    

Gains

    

(Losses)

​

Fair Value

March 31, 2024

​

​

  

 

​

  

 

​

  

​

​

  

Obligations of states and political subdivisions

​

$

695,952

​

$

2,851

​

$

(27,308)

​

$

671,495

Corporate and other bonds(1)

​

​

4,230

​

​

—

​

​

(182)

​

​

4,048

Commercial MBS

​

 

​

​

​

​

​

​

​

​

​

​

Agency

​

​

27,377

​

​

—

​

​

(5,819)

​

​

21,558

Non-agency

​

​

23,437

​

​

14

​

​

(493)

​

​

22,958

Total commercial MBS

​

​

50,814

​

​

14

​

​

(6,312)

​

​

44,516

Residential MBS

​

​

​

​

​

​

​

​

​

​

​

​

Agency

​

​

39,928

​

​

—

​

​

(6,365)

​

​

33,563

Non-agency

​

​

38,004

​

​

121

​

​

(402)

​

​

37,723

Total residential MBS

​

​

77,932

​

​

121

​

​

(6,767)

​

​

71,286

Total HTM securities

​

$

828,928

​

$

2,986

​

$

(40,569)

​

$

791,345

(1) Other bonds include asset-backed securities.

​

​

The carrying value, gross unrealized gains and losses, and estimated fair values of HTM securities for the periods ended 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.