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Securities (Tables)
9 Months Ended
Sep. 30, 2022
Securities Available for Sale

This table provides detailed information about securities available for sale at September 30, 2022 and December 31, 2021 (in thousands):

 

September 30, 2022

 

Amortized

Cost

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Fair

Value

 

U.S. Treasury

 

$

764,650

 

 

$

 

 

$

(28,038

)

 

$

736,612

 

U.S. Agencies

 

 

178,334

 

 

 

 

 

 

(6,675

)

 

 

171,659

 

Mortgage-backed

 

 

4,715,018

 

 

 

2

 

 

 

(605,452

)

 

 

4,109,568

 

State and political subdivisions

 

 

1,605,295

 

 

 

253

 

 

 

(179,009

)

 

 

1,426,539

 

Corporates

 

 

401,912

 

 

 

 

 

 

(35,761

)

 

 

366,151

 

Collateralized loan obligations

 

 

327,394

 

 

 

14

 

 

 

(9,660

)

 

 

317,748

 

Total

 

$

7,992,603

 

 

$

269

 

 

$

(864,595

)

 

$

7,128,277

 

 

December 31, 2021

 

Amortized

Cost

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Fair

Value

 

U.S. Treasury

 

$

69,551

 

 

$

374

 

 

$

(751

)

 

$

69,174

 

U.S. Agencies

 

 

121,681

 

 

 

3,252

 

 

 

(1

)

 

 

124,932

 

Mortgage-backed

 

 

7,967,537

 

 

 

93,390

 

 

 

(95,872

)

 

 

7,965,055

 

State and political subdivisions

 

 

3,270,160

 

 

 

161,674

 

 

 

(9,146

)

 

 

3,422,688

 

Corporates

 

 

316,840

 

 

 

2,504

 

 

 

(1,498

)

 

 

317,846

 

Collateralized loan obligations

 

 

76,815

 

 

 

4

 

 

 

 

 

 

76,819

 

Total

 

$

11,822,584

 

 

$

261,198

 

 

$

(107,268

)

 

$

11,976,514

 

Gross Unrealized Losses and Fair Value of Investment Securities Available for Sale

The following table shows the Company’s available-for-sale investments’ gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at September 30, 2022 and December 31, 2021 (in thousands):

 

 

 

 

Less than 12 months

 

 

12 months or more

 

 

Total

 

September 30, 2022

 

Count

 

 

Fair Value

 

 

Unrealized

Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized

Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized

Losses

 

Description of Securities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury

 

 

60

 

 

$

681,725

 

 

$

(23,225

)

 

 

4

 

 

$

54,888

 

 

$

(4,813

)

 

 

64

 

 

$

736,613

 

 

$

(28,038

)

U.S. Agencies

 

 

29

 

 

 

171,659

 

 

 

(6,675

)

 

 

 

 

 

 

 

 

 

 

 

29

 

 

 

171,659

 

 

 

(6,675

)

Mortgage-backed

 

 

788

 

 

 

2,589,194

 

 

 

(310,027

)

 

 

108

 

 

 

1,520,143

 

 

 

(295,425

)

 

 

896

 

 

 

4,109,337

 

 

 

(605,452

)

State and political subdivisions

 

 

2,222

 

 

 

1,295,216

 

 

 

(145,050

)

 

 

128

 

 

 

100,402

 

 

 

(33,959

)

 

 

2,350

 

 

 

1,395,618

 

 

 

(179,009

)

Corporates

 

 

210

 

 

 

292,051

 

 

 

(25,877

)

 

 

66

 

 

 

74,099

 

 

 

(9,884

)

 

 

276

 

 

 

366,150

 

 

 

(35,761

)

Collateralized loan obligations

 

 

41

 

 

 

309,759

 

 

 

(9,660

)

 

 

 

 

 

 

 

 

 

 

 

41

 

 

 

309,759

 

 

 

(9,660

)

Total

 

 

3,350

 

 

$

5,339,604

 

 

$

(520,514

)

 

 

306

 

 

$

1,749,532

 

 

$

(344,081

)

 

 

3,656

 

 

$

7,089,136

 

 

$

(864,595

)

 

 

 

Less than 12 months

 

 

12 months or more

 

 

Total

 

December 31, 2021

 

Count

 

 

Fair Value

 

 

Unrealized

Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized

Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized

Losses

 

Description of Securities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury

 

 

4

 

 

$

58,867

 

 

$

(751

)

 

 

 

 

$

 

 

$

 

 

 

4

 

 

$

58,867

 

 

$

(751

)

U.S. Agencies

 

 

1

 

 

 

11,149

 

 

 

(1

)

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

11,149

 

 

 

(1

)

Mortgage-backed

 

 

344

 

 

 

5,404,968

 

 

 

(87,301

)

 

 

13

 

 

 

233,295

 

 

 

(8,571

)

 

 

357

 

 

 

5,638,263

 

 

 

(95,872

)

State and political subdivisions

 

 

357

 

 

 

329,042

 

 

 

(6,969

)

 

 

31

 

 

 

44,939

 

 

 

(2,177

)

 

 

388

 

 

 

373,981

 

 

 

(9,146

)

Corporates

 

 

152

 

 

 

193,899

 

 

 

(1,498

)

 

 

 

 

 

 

 

 

 

 

 

152

 

 

 

193,899

 

 

 

(1,498

)

Collateralized loan obligations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total

 

 

858

 

 

$

5,997,925

 

 

$

(96,520

)

 

 

44

 

 

$

278,234

 

 

$

(10,748

)

 

 

902

 

 

$

6,276,159

 

 

$

(107,268

)

 

Gross Unrealized Losses and Fair Value of Investment Securities Held to Maturity

The following table shows the Company’s held-to-maturity investments’ gross unrealized losses and fair value, aggregated by length of time that individual securities have been in a continuous unrealized loss position, at September 30, 2022 and December 31, 2021, respectively (in thousands):

 

 

 

Less than 12 months

 

 

12 months or more

 

 

Total

 

September 30, 2022

 

Count

 

 

Fair Value

 

 

Unrealized Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized Losses

 

U.S. Agencies

 

 

11

 

 

$

118,923

 

 

$

(4,139

)

 

 

 

 

$

 

 

$

 

 

 

11

 

 

$

118,923

 

 

$

(4,139

)

Mortgage-backed

 

 

261

 

 

 

2,636,255

 

 

 

(380,177

)

 

 

 

 

 

 

 

 

 

 

 

261

 

 

 

2,636,255

 

 

 

(380,177

)

State and political subdivisions

 

 

1,449

 

 

 

1,765,564

 

 

 

(314,219

)

 

 

52

 

 

 

414,718

 

 

 

(59,650

)

 

 

1,501

 

 

 

2,180,282

 

 

 

(373,869

)

Total

 

 

1,721

 

 

$

4,520,742

 

 

$

(698,535

)

 

 

52

 

 

$

414,718

 

 

$

(59,650

)

 

 

1,773

 

 

$

4,935,460

 

 

$

(758,185

)

 

 

 

Less than 12 months

 

 

12 months or more

 

 

Total

 

December 31, 2021

 

Count

 

 

Fair Value

 

 

Unrealized Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized Losses

 

 

Count

 

 

Fair Value

 

 

Unrealized Losses

 

Mortgage-backed

 

 

12

 

 

$

317,887

 

 

$

(2,431

)

 

 

 

 

$

 

 

$

 

 

 

12

 

 

$

317,887

 

 

$

(2,431

)

State and political subdivisions

 

 

58

 

 

 

585,153

 

 

 

(12,494

)

 

 

28

 

 

 

217,579

 

 

 

(26,460

)

 

 

86

 

 

 

802,732

 

 

 

(38,954

)

Total

 

 

70

 

 

$

903,040

 

 

$

(14,925

)

 

 

28

 

 

$

217,579

 

 

$

(26,460

)

 

 

98

 

 

$

1,120,619

 

 

$

(41,385

)

Schedule of Amortized Cost Basis by Credit Rating of Held to Maturity Investment

The following tables show the amortized cost basis by credit rating of the Company’s held-to-maturity investments at September 30, 2022 and December 31, 2021 (in thousands):

 

 

 

Amortized Cost Basis by Credit Rating - HTM Debt Securities

 

September 30, 2022

 

AAA

 

 

AA

 

 

A

 

 

BBB

 

 

BB

 

 

CCC-C

 

 

Total

 

State and political subdivisions:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Competitive

 

$

 

 

$

 

 

$

439,191

 

 

$

618,217

 

 

$

17,811

 

 

$

3,751

 

 

$

1,078,970

 

Utilities and general obligation

 

 

597,375

 

 

 

848,057

 

 

 

141,796

 

 

 

31,442

 

 

 

572

 

 

 

 

 

 

1,619,242

 

Total state and political subdivisions

 

$

597,375

 

 

$

848,057

 

 

$

580,987

 

 

$

649,659

 

 

$

18,383

 

 

$

3,751

 

 

$

2,698,212

 

 

 

 

 

Amortized Cost Basis by Credit Rating - HTM Debt Securities

 

December 31, 2021

 

A

 

 

BBB

 

 

BB

 

 

CCC-C

 

 

Total

 

State and political subdivisions:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Competitive

 

$

372,696

 

 

$

605,104

 

 

$

20,678

 

 

$

870

 

 

$

999,348

 

Utilities

 

 

55,096

 

 

 

29,838

 

 

 

 

 

 

 

 

 

84,934

 

Total state and political subdivisions

 

$

427,792

 

 

$

634,942

 

 

$

20,678

 

 

$

870

 

 

$

1,084,282

 

 

Schedule of Aging of Past Due Held to Maturity Securities

The following table presents the aging of past due held-to-maturity securities at December 31, 2021 (in thousands):

 

December 31, 2021

 

30-89

Days Past

Due and

Accruing

 

 

Greater than

90 Days Past

Due and

Accruing

 

 

Non-

Accrual

 

 

Total

Past Due

 

 

Current

 

 

Total

 

State and political subdivisions:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Competitive

 

$

7,795

 

 

$

 

 

$

 

 

$

7,795

 

 

$

991,553

 

 

$

999,348

 

Utilities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

84,934

 

 

 

84,934

 

Total state and political subdivisions

 

$

7,795

 

 

$

 

 

$

 

 

$

7,795

 

 

$

1,076,487

 

 

$

1,084,282

 

Schedule of Other Securities

The table below provides detailed information for Other securities at September 30, 2022 and December 31, 2021 (in thousands):

 

 

 

September 30, 2022

 

 

December 31, 2021

 

FRB and FHLB stock

 

$

36,222

 

 

$

36,222

 

Equity securities with readily determinable fair values

 

 

28,182

 

 

 

64,149

 

Equity securities without readily determinable fair values

 

 

269,328

 

 

 

226,727

 

Total

 

$

333,732

 

 

$

327,098

 

 

Schedule of Components of Investment Securities (Losses) Gains, Net

The table below presents the components of Investments securities (losses) gains, net for the three and nine months ended September 30, 2022 and September 30, 2021 (in thousands):

 

 

 

Three Months Ended September 30,

 

 

Nine Months Ended September 30,

 

 

 

2022

 

 

2021

 

 

2022

 

 

2021

 

Investment securities (losses) gains, net

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Available-for-sale debt securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gains realized on sales

 

$

 

 

$

1,060

 

 

$

 

 

$

5,080

 

Losses realized on sales

 

 

 

 

 

(2

)

 

 

 

 

 

(2

)

Equity securities with readily determinable fair values:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fair value adjustments, net

 

 

(1,441

)

 

 

(4,427

)

 

 

(8,570

)

 

 

(9,607

)

Equity securities without readily determinable fair values:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fair value adjustments, net

 

 

96

 

 

 

(141

)

 

 

1,261

 

 

 

8,138

 

Sales

 

 

 

 

 

 

 

 

66,162

 

 

 

 

Total investment securities (losses) gains, net

 

$

(1,345

)

 

$

(3,510

)

 

$

58,853

 

 

$

3,609

 

Available-for-sale Securities [Member]  
Contractual Maturity Information

 

The following table presents contractual maturity information for securities available for sale at September 30, 2022 (in thousands):

 

 

 

Amortized

 

 

Fair

 

 

 

Cost

 

 

Value

 

Due in 1 year or less

 

$

111,105

 

 

$

109,852

 

Due after 1 year through 5 years

 

 

1,559,155

 

 

 

1,486,824

 

Due after 5 years through 10 years

 

 

774,933

 

 

 

716,042

 

Due after 10 years

 

 

832,392

 

 

 

705,991

 

Total

 

 

3,277,585

 

 

 

3,018,709

 

Mortgage-backed securities

 

 

4,715,018

 

 

 

4,109,568

 

Total securities available for sale

 

$

7,992,603

 

 

$

7,128,277

 

Held-to-maturity Securities [Member]  
Contractual Maturity Information

The following table shows the Company’s held-to-maturity investments’ amortized cost, fair value, and gross unrealized gains and losses at September 30, 2022 and December 31, 2021, respectively (in thousands):

 

September 30, 2022

 

Amortized Cost

 

 

Gross Unrealized Gains

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

Allowance for Credit Losses

 

 

Net Carrying Amount

 

U.S. Agencies

 

$

123,062

 

 

$

 

 

$

(4,139

)

 

$

118,923

 

 

$

 

 

$

123,062

 

Mortgage-backed

 

 

3,016,432

 

 

 

 

 

 

(380,177

)

 

 

2,636,255

 

 

 

 

 

 

3,016,432

 

State and political subdivisions

 

 

2,698,212

 

 

 

285

 

 

 

(373,869

)

 

 

2,324,628

 

 

 

(2,519

)

 

 

2,695,693

 

Total

 

$

5,837,706

 

 

$

285

 

 

$

(758,185

)

 

$

5,079,806

 

 

$

(2,519

)

 

$

5,835,187

 

 

December 31, 2021

 

Amortized Cost

 

 

Gross Unrealized Gains

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

Allowance for Credit Losses

 

 

Net Carrying Amount

 

Mortgage-backed

 

$

396,134

 

 

$

14

 

 

$

(2,431

)

 

$

393,717

 

 

$

 

 

$

396,134

 

State and political subdivisions

 

 

1,084,282

 

 

 

3,346

 

 

 

(38,954

)

 

 

1,048,674

 

 

 

(1,940

)

 

 

1,082,342

 

Total

 

$

1,480,416

 

 

$

3,360

 

 

$

(41,385

)

 

$

1,442,391

 

 

$

(1,940

)

 

$

1,478,476

 

 

The following table presents contractual maturity information for securities held to maturity at September 30, 2022 (in thousands):

 

 

 

Amortized Cost

 

 

Fair Value

 

Due in 1 year or less

 

$

69,922

 

 

$

68,678

 

Due after 1 year through 5 years

 

 

348,925

 

 

 

331,530

 

Due after 5 years through 10 years

 

 

709,203

 

 

 

618,054

 

Due after 10 years

 

 

1,693,224

 

 

 

1,425,289

 

Total

 

 

2,821,274

 

 

 

2,443,551

 

Mortgage-backed securities

 

 

3,016,432

 

 

 

2,636,255

 

Total securities held to maturity

 

$

5,837,706

 

 

$

5,079,806