v3.26.1
Debt Securities (Tables)
6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of amortized cost and fair value of securities available for sale

  ​ ​ ​

  ​ ​ ​

Gross 

  ​ ​ ​

Gross 

  ​ ​ ​

Amortized 

Unrealized 

Unrealized 

Estimated 

Cost

Gains

(Losses)

Fair Value

June 30, 2026

 

  ​

 

  ​

 

  ​

 

  ​

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

Mortgage-backed securities

$

7,581,567

 

$

$

(909,554)

$

6,672,013

State and political subdivisions

 

13,388,934

 

 

 

(1,380,468)

 

12,008,466

Corporate securities

 

3,473,827

 

 

 

(440,142)

 

3,033,685

Total securities available for sale

$

24,444,328

 

$

$

(2,730,164)

$

21,714,164

  ​ ​ ​

  ​ ​ ​

Gross 

  ​ ​ ​

Gross 

  ​ ​ ​

Amortized 

Unrealized 

Unrealized 

Estimated 

Cost

Gains

(Losses)

Fair Value

December 31, 2025

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

Mortgage-backed securities

$

8,053,774

 

$

$

(866,049)

$

7,187,725

State and political subdivisions

 

13,392,267

 

 

 

(1,338,248)

 

12,054,019

Corporate securities

 

3,471,309

 

 

 

(423,644)

 

3,047,665

Total securities available for sale

$

24,917,350

 

$

$

(2,627,941)

$

22,289,409

  ​ ​ ​

  ​ ​ ​

Gross 

  ​ ​ ​

Gross 

  ​ ​ ​

Amortized 

Unrealized 

Unrealized 

Estimated 

June 30, 2026

Cost

Gains

Losses

Fair Value

Securities held to maturity:

 

  ​

 

  ​

 

  ​

 

  ​

U.S. government sponsored agencies

$

27,530,412

 

$

8,419

(203,628)

$

27,335,203

U.S. Treasury securities

 

3,657,508

 

 

640

 

(3,938)

 

3,654,210

Total securities held to maturity

$

31,187,920

 

$

9,059

$

(207,566)

$

30,989,413

  ​ ​ ​

  ​ ​ ​

Gross 

  ​ ​ ​

Gross 

  ​ ​ ​

Amortized 

Unrealized 

Unrealized 

Estimated 

December 31, 2025

Cost

Gains

Losses

Fair Value

Securities held to maturity:

U.S. government sponsored agencies

$

27,632,778

$

297,140

$

(9,549)

$

27,920,369

U.S. Treasury securities

 

8,798,979

 

30,464

 

 

8,829,443

Total securities held to maturity

$

36,431,757

$

327,604

$

(9,549)

$

36,749,812

Schedule of fair value and gross unrealized losses of available for sale debt securities in an unrealized loss position

Less Than 12 Months

12 Months or More

Total

Estimated 

Unrealized 

Estimated 

Unrealized 

Estimated 

Unrealized 

Fair Value

Loss

Fair Value

Loss

Fair Value

Loss

June 30, 2026

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Mortgage-backed securities

 

$

 

$

$

6,672,013

$

(909,554)

$

6,672,013

$

(909,554)

State and political subdivisions

 

 

 

 

 

12,008,466

 

(1,380,468)

 

12,008,466

 

(1,380,468)

Corporate securities

 

 

 

 

 

3,033,685

 

(440,142)

 

3,033,685

 

(440,142)

Totals

 

$

 

$

$

21,714,164

$

(2,730,164)

$

21,714,164

$

(2,730,164)

Less Than 12 Months

12 Months or More

Total

Estimated 

Unrealized 

Estimated 

Unrealized 

Estimated 

Unrealized 

Fair Value

Loss

Fair Value

Loss

Fair Value

Loss

December 31, 2025

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

  ​ ​ ​

  ​

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Mortgage-backed securities

 

$

 

$

$

7,187,725

$

(866,049)

$

7,187,725

$

(866,049)

State and political subdivisions

 

 

 

 

 

12,054,019

 

(1,338,248)

 

12,054,019

 

(1,338,248)

Corporate securities

 

 

 

 

 

3,047,665

 

(423,644)

 

3,047,665

 

(423,644)

Totals

 

$

 

$

$

22,289,409

$

(2,627,941)

$

22,289,409

$

(2,627,941)

Summary of amortized cost and estimated fair value of debt securities by contractual maturity

June 30, 2026

Estimated 

Available-for-sale

Amortized Cost

Fair Value

Due in one year or less

  ​ ​ ​

$

  ​ ​ ​

$

Due after one year through five years

 

11,186,134

 

10,175,174

Due after five years through ten years

 

5,676,627

 

4,866,977

Due after ten years

 

 

Subtotal

 

16,862,761

 

15,042,151

Mortgage-backed securities

 

7,581,567

 

6,672,013

Total

$

24,444,328

$

21,714,164

Schedule of amortized cost and fair value of securities held to maturity

June 30, 2026

Amortized 

Estimated 

Held-to-maturity

Cost

Fair Value

Due in one year or less

  ​ ​ ​

$

2,966,740

  ​ ​ ​

$

2,968,043

Due after one year through five years

 

17,936,953

 

17,852,846

Due after five years through ten years

 

10,284,227

 

10,168,524

Total

$

31,187,920

$

30,989,413