Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Tables)

v3.19.3
SECURITIES (Tables)
9 Months Ended
Sep. 30, 2019
Schedule of Investments [Line Items]  
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, 2019 and 2018 (dollars in thousands).

​

​

​

​

​

​

​

​

    

Three Months Ended

    

Nine Months Ended

​

​

September 30, 2019

​

September 30, 2019

Realized gains (losses):

 

​

  

 

​

  

Gross realized gains

​

$

7,104

​

$

9,161

Gross realized losses

​

 

—

​

 

(1,855)

Net realized gains

​

$

7,104

​

$

7,306

​

​

​

​

​

​

​

Proceeds from sales of securities

​

$

98,975

​

$

486,925

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Three Months Ended

    

Nine Months Ended

​

​

September 30, 2018

​

September 30, 2018

Realized gains (losses):

 

​

  

 

​

  

Gross realized gains

​

$

97

​

$

2,890

Gross realized losses

​

 

—

​

 

(2,668)

Net realized gains

​

$

97

​

$

222

​

​

​

​

​

​

​

Proceeds from sales of securities

​

$

27,593

​

$

337,109

Available-for-sale Securities  
Schedule of Investments [Line Items]  
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, 2019 and December 31, 2018 are summarized as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized

​

Gross Unrealized

​

Estimated

​

    

Cost

    

Gains

    

(Losses)

    

Fair Value

September 30, 2019

 

​

  

 

​

  

 

​

  

 

​

  

U.S. government and agency securities

​

$

4,475

​

$

15

​

$

—

​

$

4,490

Obligations of states and political subdivisions

​

 

411,690

​

 

26,935

​

 

(12)

​

 

438,613

Corporate and other bonds (1)

​

 

224,854

​

 

5,044

​

 

(374)

​

 

229,524

Mortgage-backed securities

​

 

1,215,263

​

 

28,872

​

 

(970)

​

 

1,243,165

Other securities

​

 

3,067

​

 

—

​

 

—

​

 

3,067

Total AFS securities

​

$

1,859,349

​

$

60,866

​

$

(1,356)

​

$

1,918,859

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2018

​

 

  

​

 

  

​

 

  

​

 

  

Obligations of states and political subdivisions

​

$

466,588

​

$

3,844

​

$

(1,941)

​

$

468,491

Corporate and other bonds (1)

​

 

167,561

​

 

1,118

​

 

(983)

​

 

167,696

Mortgage-backed securities

​

 

1,138,034

​

 

4,452

​

 

(12,621)

​

 

1,129,865

Other securities

​

 

8,769

​

 

—

​

 

—

​

 

8,769

Total AFS securities

​

$

1,780,952

​

$

9,414

​

$

(15,545)

​

$

1,774,821

(1) Other bonds includes 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 that are not deemed to be other-than-temporarily impaired as of September 30, 2019 and December 31, 2018 (dollars in thousands). These are aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Less than 12 months

​

More than 12 months

​

Total

​

    

Fair

    

Unrealized

    

Fair

    

Unrealized

    

Fair

    

Unrealized

​

​

Value

​

Losses

​

Value

​

Losses

​

Value

​

Losses

September 30, 2019

 

​

  

 

​

  

 

​

  

 

​

  

 

​

  

 

​

  

Obligations of states and political subdivisions

​

$

2,296

​

$

(12)

​

$

—

​

$

—

​

$

2,296

​

$

(12)

Corporate bonds and other securities

​

 

25,341

​

 

(149)

​

 

25,306

​

 

(225)

​

 

50,647

​

 

(374)

Mortgage-backed securities

​

 

89,649

​

 

(390)

​

 

74,540

​

 

(580)

​

 

164,189

​

 

(970)

Total AFS securities

​

$

117,286

​

$

(551)

​

$

99,846

​

$

(805)

​

$

217,132

​

$

(1,356)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2018

​

 

  

​

 

  

​

 

  

​

 

  

​

 

  

​

 

  

Obligations of states and political subdivisions

​

$

133,513

​

$

(1,566)

​

$

10,145

​

$

(375)

​

$

143,658

​

$

(1,941)

Corporate bonds and other securities

​

 

35,478

​

 

(315)

​

 

33,888

​

 

(668)

​

 

69,366

​

 

(983)

Mortgage-backed securities

​

 

306,038

​

 

(3,480)

​

 

341,400

​

 

(9,141)

​

 

647,438

​

 

(12,621)

Total AFS securities

​

$

475,029

​

$

(5,361)

​

$

385,433

​

$

(10,184)

​

$

860,462

​

$

(15,545)

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, 2019 and December 31, 2018, 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, 2019

December 31, 2018

​

    

Amortized

    

Estimated

    

Amortized

    

Estimated

​

​

Cost

​

Fair Value

​

Cost

​

Fair Value

Due in one year or less

​

$

22,682

​

$

22,805

​

$

22,653

​

$

22,789

Due after one year through five years

​

 

161,289

​

 

163,908

​

 

191,003

​

 

188,999

Due after five years through ten years

​

 

263,488

​

 

269,757

​

 

218,211

​

 

217,304

Due after ten years

​

 

1,411,890

​

 

1,462,389

​

 

1,349,085

​

 

1,345,729

Total AFS securities

​

$

1,859,349

​

$

1,918,859

​

$

1,780,952

​

$

1,774,821

Held-to-maturity Securities  
Schedule of Investments [Line Items]  
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, 2019 and December 31, 2018, 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, 2019

​

December 31, 2018

​

    

Carrying

    

Estimated

    

Carrying

    

Estimated

​

​

Value

​

Fair Value

​

Value

​

Fair Value

Due in one year or less

​

$

504

​

$

507

​

$

—

​

$

—

Due after one year through five years

​

 

8,934

​

 

9,165

​

 

3,893

​

 

3,900

Due after five years through ten years

​

 

3,160

​

 

3,247

​

 

3,480

​

 

3,507

Due after ten years

​

 

543,981

​

 

594,797

​

 

484,899

​

 

492,094

Total HTM securities

​

$

556,579

​

$

607,716

​

$

492,272

​

$

499,501

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, 2019 and December 31, 2018 are summarized as follows (dollars in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Carrying

​

Gross Unrealized

​

Estimated

​

    

Value

    

Gains

    

(Losses)

    

Fair Value

September 30, 2019

 

​

  

 

​

  

 

​

  

 

​

  

Obligations of states and political subdivisions

​

$

546,515

​

$

51,002

​

$

—

​

$

597,517

Mortgage-backed securities

​

 

10,064

​

 

135

​

 

—

​

 

10,199

Total held-to-maturity securities

​

$

556,579

​

$

51,137

​

$

—

​

$

607,716

December 31, 2018

​

 

  

​

 

  

​

 

  

​

 

  

Obligations of states and political subdivisions

​

$

492,272

​

$

7,375

​

$

(146)

​

$

499,501

Gross Unrealized Losses and Fair Value of Securities

The following table shows the gross unrealized losses and fair value (dollars in thousands) of the Company’s HTM securities with unrealized losses that are not deemed to be other-than-temporarily impaired as of September 30, 2019 and December 31, 2018 (dollars in thousands). These are aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Less than 12 months

​

More than 12 months

​

Total

​

    

Fair

    

Unrealized

    

Fair

    

Unrealized

    

Fair

    

Unrealized

​

​

Value

​

Losses

​

Value

​

Losses

​

Value

​

Losses

September 30, 2019

 

​

  

 

​

  

 

​

  

 

​

  

 

​

  

 

​

  

Obligations of states and political subdivisions

​

$

—

​

$

—

​

$

—

​

$

—

​

$

—

​

$

—

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2018

 

​

  

 

​

  

 

​

  

 

​

  

 

​

  

 

​

  

Obligations of states and political subdivisions

​

$

43,206

​

$

(146)

​

$

—

​

$

—

​

$

43,206

​

$

(146)