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Securities (Tables)
 3 Months Ended
Mar. 31, 2024
Securities  
Summary of available for sale debt securities

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March 31, 2024

 

​

    

​

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Gross

    

Gross

    

​

​

 

​

​

Amortized

​

Unrealized

​

Unrealized

​

​

 

(Dollars in thousands)

​

Cost

​

Gains

​

Losses

​

Fair Value

 

U.S. Treasury securities

​

$

28,944

​

$

—

​

$

(638)

​

$

28,306

​

U.S. government agencies and corporations

​

​

84,380

​

​

—

​

​

(9,662)

​

​

74,718

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Mortgage-backed securities

​

 

176,686

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52

​

 

(17,550)

​

 

159,188

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Obligations of states and political subdivisions

​

 

149,497

​

 

1,640

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​

(4,486)

​

 

146,651

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Corporate and other debt securities

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​

25,177

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—

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(3,619)

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​

21,558

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​

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$

464,684

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$

1,692

​

$

(35,955)

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$

430,421

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​

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​

​

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​

​

​

​

​

​

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December 31, 2023

 

​

    

​

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Gross

    

Gross

    

​

​

 

​

​

Amortized

​

Unrealized

​

Unrealized

​

​

 

(Dollars in thousands)

​

Cost

​

Gains

​

Losses

​

Fair Value

 

U.S. Treasury securities

​

$

45,883

​

$

—

​

$

(780)

​

$

45,103

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U.S. government agencies and corporations

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​

96,407

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​

—

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​

(9,313)

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​

87,094

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Mortgage-backed securities

​

 

177,734

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185

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(16,223)

​

 

161,696

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Obligations of states and political subdivisions

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148,875

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2,280

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(4,044)

​

 

147,111

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Corporate and other debt securities

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25,193

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—

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(3,753)

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21,440

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​

​

$

494,092

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$

2,465

​

$

(34,113)

​

$

462,444

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Schedule of amortized cost and estimated fair value of securities, by the earlier of contractual maturity or expected maturity

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March 31, 2024

 

​

    

Amortized

    

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(Dollars in thousands)

​

Cost

​

Fair Value

 

Due in one year or less

​

$

90,655

​

$

87,601

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Due after one year through five years

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174,821

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159,652

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Due after five years through ten years

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127,667

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114,580

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Due after ten years

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71,541

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68,588

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​

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$

464,684

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$

430,421

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Schedule of gross realized gains and losses and the proceeds

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Three Months Ended March 31, 

(Dollars in thousands)

    

2024

    

2023

Realized gains from sales, maturities and calls of securities:

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Gross realized gains

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$

—

​

$

—

Gross realized losses

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—

​

 

(5)

Net realized losses

​

$

—

​

$

(5)

Proceeds from sales, maturities, calls and paydowns of securities

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$

37,324

​

$

19,730
Schedule of securities in an unrealized loss position Securities in an unrealized loss position at March 31, 2024, by duration of the period of the unrealized loss, are shown below.

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Less Than 12 Months

​

12 Months or More

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Total

 

​

 

Fair

 

Unrealized

 

Fair

 

Unrealized

 

Fair

 

Unrealized

 

(Dollars in thousands)

​

Value

​

Loss

​

Value

​

Loss

​

   Value   

​

Loss

 

U.S. Treasury securities

​

$

—

​

​

—

​

$

28,306

​

$

638

​

$

28,306

​

$

638

​

U.S. government agencies and corporations

​

​

—

​

​

—

​

​

74,718

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​

9,662

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​

74,718

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​

9,662

​

Mortgage-backed securities

​

 

6,491

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​

119

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147,290

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17,431

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153,781

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17,550

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Obligations of states and political subdivisions

​

 

14,416

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​

183

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64,810

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4,303

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79,226

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4,486

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Corporate and other debt securities

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​

2,672

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​

328

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18,886

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​

3,291

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​

21,558

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​

3,619

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Total

​

$

23,579

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$

630

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$

334,010

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$

35,325

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$

357,589

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$

35,955

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Securities in an unrealized loss position at December 31, 2023, by duration of the period of the unrealized loss, are shown below.

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Less Than 12 Months

​

12 Months or More

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Total

 

​

 

Fair

 

Unrealized

 

Fair

 

Unrealized

 

Fair

 

Unrealized

 

(Dollars in thousands)

​

Value

​

Loss

​

Value

​

Loss

​

   Value   

​

Loss

 

U.S. Treasury securities

​

$

—

​

​

—

​

$

45,103

​

$

780

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$

45,103

​

$

780

​

U.S. government agencies and corporations

​

​

—

​

​

—

​

​

87,094

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​

9,313

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​

87,094

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​

9,313

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Mortgage-backed securities

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​

5,528

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68

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150,023

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16,155

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155,551

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16,223

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Obligations of states and political subdivisions

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​

4,659

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​

72

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65,630

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​

3,972

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​

70,289

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​

4,044

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Corporate and other debt securities

​

 

3,386

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364

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18,054

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3,389

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21,440

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3,753

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Total

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$

13,573

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$

504

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$

365,904

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$

33,609

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$

379,477

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$

34,113

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