v3.26.1
Investments (Tables)
6 Months Ended
Jun. 30, 2026
Investments  
Schedule of amortized cost, estimated fair value, and allowance for credit losses of available-for-sale and held-to-maturity investment securities

Amortized Cost and Estimated Fair Value

(dollars in thousands, unaudited)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

June 30, 2026

​

  ​ ​ ​

Amortized
Cost

  ​ ​ ​

Gross
Unrealized
Gains

  ​ ​ ​

Gross
Unrealized
Losses

​

Allowance for Credit Losses

  ​ ​ ​

Estimated Fair
Value

Available-for-sale

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government agencies

​

$

18,370

​

$

—

​

$

(287)

​

$

—

​

$

18,083

Mortgage-backed securities

​

​

275,398

​

​

807

​

​

(4,256)

​

​

—

​

​

271,949

State and political subdivisions

​

​

59,784

​

​

312

​

​

(5,215)

​

​

—

​

​

54,881

Corporate bonds

​

​

86,780

​

​

359

​

​

(3,120)

​

​

—

​

​

84,019

Collateralized loan obligations

​

​

182,665

​

​

293

​

​

(68)

​

​

—

​

​

182,890

Total available-for-sale securities

​

$

622,997

​

$

1,771

​

$

(12,946)

​

$

—

​

$

611,822

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized
Cost

  ​ ​ ​

Gross
Unrecognized
Gains

  ​ ​ ​

Gross
Unrecognized
Losses

​

Estimated Fair
Value

  ​ ​ ​

Allowance for Credit Losses

Held-to-maturity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government agencies

​

$

4,320

​

$

—

​

$

(462)

​

$

3,858

​

$

—

Mortgage-backed securities

​

​

108,476

​

​

—

​

​

(8,471)

​

​

100,005

​

​

—

State and political subdivisions

​

​

170,098

​

​

4,787

​

​

—

​

​

174,885

​

​

(14)

Total held-to-maturity securities

​

$

282,894

​

$

4,787

​

$

(8,933)

​

$

278,748

​

$

(14)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2025

​

  ​ ​ ​

Amortized
Cost

  ​ ​ ​

Gross
Unrealized
Gains

  ​ ​ ​

Gross
Unrealized
Losses

​

Allowance for Credit Losses

  ​ ​ ​

Estimated Fair
Value

Available-for-sale

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government agencies

​

$

33,000

​

$

35

​

$

(134)

​

$

—

​

$

32,901

Mortgage-backed securities

​

​

259,386

​

​

2,491

​

​

(2,117)

​

​

—

​

​

259,760

State and political subdivisions

​

​

52,610

​

​

68

​

​

(5,757)

​

​

—

​

​

46,921

Corporate bonds

​

​

90,114

​

​

293

​

​

(3,940)

​

​

—

​

​

86,467

Collateralized loan obligations

​

​

198,968

​

​

364

​

​

(51)

​

​

—

​

​

199,281

Total available-for-sale securities

​

$

634,078

​

$

3,251

​

$

(11,999)

​

$

—

​

$

625,330

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortized
Cost

​

Gross
Unrecognized
Gains

​

Gross
Unrecognized
Losses

​

Estimated Fair
Value

​

Allowance for Credit Losses

Held-to-maturity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government agencies

​

$

4,523

​

$

—

​

$

(413)

​

$

4,110

​

$

—

Mortgage-backed securities

​

​

115,228

​

​

20

​

​

(7,002)

​

​

108,246

​

​

—

State and political subdivisions

​

​

171,075

​

​

3,030

​

​

—

​

​

174,105

​

​

(15)

Total held-to-maturity securities

​

$

290,826

​

$

3,050

​

$

(7,415)

​

$

286,461

​

$

(15)

Schedule of amortized cost of held-to-maturity municipal bonds aggregated by NRSRO credit rating

Held-To-Maturity by Credit Rating

(dollars in thousands, unaudited)

​

​

​

​

​

​

​

​

  ​ ​ ​

Held-To-Maturity

​

​

June 30, 2026

​

December 31, 2025

State and political subdivisions

​

​

​

​

​

​

AAA/Aaa

​

$

57,793

​

$

59,367

AA/Aa

​

​

107,557

​

​

110,255

A/A2

​

​

1,483

​

​

523

Not rated

​

​

927

​

​

930

Total (1)

​

$

167,760

​

$

171,075

(1)Prerefunded and escrowed to maturity bonds with an amortized cost of $2.3 million are excluded.
Schedule of gross realized gains and losses as well as gross proceeds from the sales of securities

​

Investment Portfolio - Realized Gains/(Losses)

(dollars in thousands, unaudited)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three months ended June 30,

​

​

Six months ended June 30,

​

  ​ ​ ​

2026

  ​ ​ ​

2025

​

2026

​

2025

Proceeds from sales, calls and maturities of securities available for sale

​

$

12,104

​

$

6,000

​

$

24,104

​

$

11,000

Gross gains on sales, calls and maturities of securities available for sale

​

​

—

​

​

1

​

​

—

​

​

124

Gross losses on sales, calls and maturities of securities available for sale

​

​

—

​

​

—

​

​

—

​

​

—

Net gain (loss) on sale of securities available for sale

​

$

—

​

$

1

​

$

—

​

$

124

Information Pertaining to Investment Securities Aggregated by Investment Category and Length of Time that Individual Securities in a Continuous Loss Position

Investment Portfolio - Unrealized Losses

(dollars in thousands, unaudited)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

June 30, 2026

​

​

​

Less than twelve months

​

Twelve months or more

​

Total

​

Number of Securities

  ​ ​ ​

Gross
Unrealized
Losses

  ​ ​ ​

Fair Value

  ​ ​ ​

Gross
Unrealized
Losses

  ​ ​ ​

Fair Value

  ​ ​ ​

Gross
Unrealized
Losses

  ​ ​ ​

Fair Value

Available-for-sale

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government agencies

5

​

$

(109)

​

$

10,760

​

$

(178)

​

$

7,323

​

$

(287)

​

$

18,083

Mortgage-backed securities

106

​

​

(2,610)

​

​

158,628

​

​

(1,646)

​

​

25,451

​

​

(4,256)

​

​

184,079

State and political subdivisions

49

​

​

(26)

​

​

1,739

​

​

(5,189)

​

​

36,286

​

​

(5,215)

​

​

38,025

Corporate bonds

70

​

​

(427)

​

​

21,696

​

​

(2,693)

​

​

43,502

​

​

(3,120)

​

​

65,198

Collateralized loan obligations

8

​

​

(55)

​

​

58,408

​

​

(13)

​

​

9,987

​

​

(68)

​

​

68,395

Total available-for-sale

238

​

$

(3,227)

​

$

251,231

​

$

(9,719)

​

$

122,549

​

$

(12,946)

​

$

373,780

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2025

​

​

​

Less than twelve months

​

Twelve months or more

​

Total

​

Number of Securities

  ​ ​ ​

Gross
Unrealized
Losses

  ​ ​ ​

Fair Value

  ​ ​ ​

Gross
Unrealized
Losses

  ​ ​ ​

Fair Value

  ​ ​ ​

Gross
Unrealized
Losses

  ​ ​ ​

Fair Value

Available-for-sale

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

U.S. government agencies

5

​

$

(10)

​

$

5,990

​

$

($124)

​

$

14,375

​

$

(134)

​

$

20,365

Mortgage-backed securities

72

​

​

(755)

​

​

92,185

​

​

(1,362)

​

​

28,712

​

​

(2,117)

​

​

120,897

State and political subdivisions

51

​

​

(14)

​

​

1,481

​

​

(5,743)

​

​

37,029

​

​

(5,757)

​

​

38,510

Corporate bonds

70

​

​

(483)

​

​

25,381

​

​

(3,457)

​

​

41,993

​

​

(3,940)

​

​

67,374

Collateralized loan obligations

7

​

​

(51)

​

​

59,209

​

​

—

​

​

—

​

​

(51)

​

​

59,209

Total available-for-sale

205

​

$

(1,313)

​

$

184,246

​

$

(10,686)

​

$

122,109

​

$

(11,999)

​

$

306,355

Schedule of amortized cost and estimated fair value of investment securities available-for-sale and held-to-maturity grouped by the remaining time to contractual maturity dates

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

June 30, 2026

​

​

Available-for-Sale

​

Held-to-Maturity

​

  ​ ​ ​

Amortized Cost

  ​ ​ ​

Fair Value

  ​ ​ ​

Amortized Cost

  ​ ​ ​

Fair Value

Maturing within one year

​

$

285

​

$

285

​

$

1,331

​

$

1,328

Maturing after one year through five years

​

​

19,702

​

​

19,886

​

​

6,446

​

​

6,341

Maturing after five years through ten years

​

​

81,422

​

​

78,051

​

​

17,607

​

​

16,853

Maturing after ten years

​

​

63,525

​

​

58,761

​

​

149,034

​

​

154,221

Securities not due at a single maturity date:

​

​

​

​

​

​

​

​

​

​

​

​

Mortgage-backed securities

​

​

275,398

​

​

271,949

​

​

108,476

​

​

100,005

Collateralized loan obligations

​

​

182,665

​

​

182,890

​

​

—

​

​

—

Total

​

$

622,997

​

$

611,822

​

$

282,894

​

$

278,748

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2025

​

​

Available-for-Sale

​

Held-to-Maturity

​

  ​ ​ ​

Amortized Cost

  ​ ​ ​

Fair Value

  ​ ​ ​

Amortized Cost

  ​ ​ ​

Fair Value

Maturing within one year

​

$

10,285

​

$

10,320

  ​ ​ ​

$

824

​

$

825

Maturing after one year through five years

​

​

19,667

​

​

19,907

​

​

5,014

​

​

4,902

Maturing after five years through ten years

​

​

82,725

​

​

78,553

​

​

17,806

​

​

17,020

Maturing after ten years

​

​

63,047

​

​

57,509

​

​

151,954

​

​

155,468

Securities not due at a single maturity date:

​

​

​

​

​

​

​

​

​

​

​

​

Mortgage-backed securities

​

​

259,386

​

​

259,760

​

​

115,228

​

​

108,246

Collateralized loan obligations

​

​

198,968

​

​

199,281

​

​

—

​

​

—

Total

​

$

634,078

​

$

625,330

​

$

290,826

​

$

286,461