v3.26.1
Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Summary of carrying amounts and estimated fair values by fair value hierarchy of certain financial instruments

  ​ ​ ​

Carrying

Estimated

Amount

Fair Value

  ​ ​ ​

June 30, 2026

  ​ ​ ​

(Level 1)

  ​ ​ ​

(Level 2)

  ​ ​ ​

(Level 3)

  ​ ​ ​

June 30, 2026

Financial assets:

  ​

  ​

  ​

  ​

  ​

HTM debt securities:

  ​

  ​

  ​

  ​

  ​

U.S. government sponsored agencies

$

27,530,412

$

$

27,335,203

$

$

27,335,203

U.S. Treasury securities

$

3,657,508

$

3,654,210

$

$

$

3,654,210

Loans, net

$

185,870,923

$

$

$

177,221,000

$

177,221,000

Financial liabilities:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Interest-bearing deposits

$

214,112,879

$

$

203,197,000

$

$

203,197,000

Fixed rate, fixed term FHLB advances

$

23,417,549

$

$

23,193,585

$

$

23,193,585

  ​ ​ ​

Carrying

Estimated

Amount

Fair Value

  ​ ​ ​

December 31, 2025

  ​ ​ ​

(Level 1)

  ​ ​ ​

(Level 2)

  ​ ​ ​

(Level 3)

  ​ ​ ​

December 31, 2025

Financial assets:

  ​

  ​

  ​

  ​

  ​

HTM debt securities:

  ​

  ​

  ​

  ​

  ​

U.S. government sponsored agencies

$

27,632,778

$

$

27,920,369

$

$

27,920,369

U.S. Treasury securities

$

8,798,979

$

8,829,443

$

$

$

8,829,443

Loans, net

$

189,415,521

$

$

$

184,275,000

$

184,275,000

Financial liabilities:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Interest-bearing deposits

$

209,554,301

$

$

198,751,000

$

$

198,751,000

Fixed rate, fixed term FHLB advances

$

37,062,820

$

$

37,175,221

$

$

37,175,221