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Investment Securities (Tables)
9 Months Ended
Sep. 30, 2023
Investment Securities  
Schedule of amortized cost, gross unrealized gains and losses and fair values of available for sale securities

The amortized cost, gross unrealized gains and losses and fair values of available for sale securities are as follows:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

September 30, 2023

​

​

​

​

Gross

​

Gross

​

​

​

​

​

​

Unrealized

​

Unrealized

​

​

​

    

Amortized Cost

    

Gains

    

Losses

    

Fair Value

U.S. Treasury securities

​

$

30,099

​

$

—

​

$

(1,533)

​

$

28,566

U.S. government agency mortgage-backed securities–residential

​

​

160,314

​

​

—

​

​

(33,092)

​

​

127,222

U.S. government agency securities

 

​

24,777

 

​

—

 

​

(2,247)

 

​

22,530

Municipal securities(1)

 

​

3,164

 

​

—

 

​

(365)

 

​

2,799

Corporate bonds

 

​

14,700

 

​

—

 

​

(2,261)

 

​

12,439

Other

 

​

748

 

​

—

 

​

(52)

 

​

696

Total

​

$

233,802

​

$

—

​

$

(39,550)

​

$

194,252

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

December 31, 2022

​

​

​

​

Gross

​

Gross

​

​

​

​

​

​

Unrealized

​

Unrealized

​

​

​

    

Amortized Cost

    

Gains

    

Losses

    

Fair Value

U.S. Treasury securities

​

$

40,172

​

$

—

​

$

(2,315)

​

$

37,857

U.S. government agency mortgage-backed securities–residential

​

​

173,926

​

​

—

​

​

(29,392)

​

​

144,534

U.S. government agency securities

​

​

24,785

 

​

—

 

​

(2,336)

 

​

22,449

Municipal securities(1)

 

​

5,117

 

​

—

 

​

(331)

 

​

4,786

Corporate bonds

​

​

14,700

 

​

—

 

​

(1,483)

 

​

13,217

Other

​

​

644

 

​

172

 

​

—

 

​

816

Total

​

$

259,344

​

$

172

​

$

(35,857)

​

$

223,659

(1)

The issuers of municipal securities are all within New York State.

Schedule of gross unrealized losses and fair value, securities in continuous unrealized loss position

The following tables present the fair value and unrealized losses of the Company’s available for sale securities with gross unrealized losses aggregated by the length of time the individual securities have been in a continuous unrealized loss position:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

September 30, 2023

​

​

Less Than 12 Months

​

12 Months or Longer

​

Total

​

​

​

​

Unrealized

​

​

​

Unrealized

​

​

​

Unrealized

​

    

Fair Value

    

Losses

    

Fair Value

    

Losses

    

Fair Value

    

Losses

U.S. Treasury securities

​

$

—

​

$

—

​

$

28,566

​

$

(1,533)

​

$

28,566

​

$

(1,533)

U.S. government agency mortgage-backed securities-residential

​

​

—

​

​

—

​

​

127,222

​

​

(33,092)

​

​

127,222

​

​

(33,092)

U.S. government agency securities

​

​

—

​

​

—

​

​

22,530

​

​

(2,247)

​

​

22,530

​

​

(2,247)

Municipal securities

​

​

487

​

​

(43)

​

​

2,197

​

​

(322)

​

​

2,684

​

​

(365)

Corporate bonds

​

​

1,250

​

​

(250)

​

​

11,189

​

​

(2,011)

​

​

12,439

​

​

(2,261)

Other

​

​

669

​

​

(52)

​

​

—

​

​

—

​

​

669

​

​

(52)

Total

​

$

2,406

​

$

(345)

​

$

191,704

​

$

(39,205)

​

$

194,110

​

$

(39,550)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

December 31, 2022

​

​

Less Than 12 Months

​

12 Months or Longer

​

Total

​

​

​

​

Unrealized

​

​

​

Unrealized

​

​

​

Unrealized

​

    

Fair Value

    

Losses

    

Fair Value

    

Losses

    

Fair Value

    

Losses

U.S. Treasury securities

​

$

—

​

$

—

​

$

37,857

​

$

(2,315)

​

$

37,857

​

$

(2,315)

U.S. government agency mortgage-backed securities-residential

​

​

23,384

​

​

(2,711)

​

​

121,151

​

​

(26,681)

​

​

144,535

​

​

(29,392)

U.S. government agency securities

​

​

9,160

​

​

(869)

​

​

13,289

​

​

(1,467)

​

​

22,449

​

​

(2,336)

Municipal securities

​

​

1,529

​

​

(4)

​

​

3,127

​

​

(327)

​

​

4,656

​

​

(331)

Corporate bonds

​

​

6,873

​

​

(627)

​

​

5,844

​

​

(856)

​

​

12,717

​

​

(1,483)

Total

​

$

40,946

​

$

(4,211)

​

$

181,268

​

$

(31,646)

​

$

222,214

​

$

(35,857)

Schedule of maturities of debt securities

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

September 30, 2023

​

December 31, 2022

​

    

Amortized Cost

    

Fair Value

    

Amortized Cost

    

Fair Value

Maturity:

​

​

​

​

​

​

​

​

​

​

​

​

Within 1 year

​

$

20,470

​

$

19,949

​

$

16,923

​

$

16,512

After 1 but within 5 years

 

​

32,870

 

​

29,806

 

​

46,162

 

​

42,225

After 5 but within 10 years

 

​

19,400

 

​

16,579

 

​

21,689

 

​

19,572

After 10 years

 

​

—

 

​

—

 

​

—

 

​

—

Total Maturities

 

​

72,740

 

​

66,334

 

​

84,774

 

​

78,309

Mortgage-backed securities

 

​

160,314

 

​

127,222

 

​

173,926

 

​

144,534

Other

 

​

748

 

​

696

 

​

644

 

​

816

Total

​

$

233,802

​

$

194,252

​

$

259,344

​

$

223,659