v3.26.1
Investment Securities (Tables)
3 Months Ended
Mar. 31, 2026
Investment Securities  
Schedule of amortized cost and approximate fair values, together with gross unrealized gains and losses

March 31, 2026

Gross

Gross

Amortized

Unrealized

Unrealized

Fair

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

Losses

  ​ ​ ​

Value

(In thousands)

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

Treasury notes

$

31,327

$

13

$

$

31,340

Federal Agencies

 

259,865

 

4

 

1,067

 

258,802

Mortgage-backed - Agency (1) - multi-family

3,553

6

3,547

Mortgage-backed - Non-Agency - residential - fair value option (2)

371,222

371,222

Mortgage-backed - Agency - residential - fair value option (2)

178,985

178,985

Total securities available for sale

$

844,952

$

17

$

1,073

$

843,896

Securities held to maturity:

Mortgage-backed - Non-Agency - multi-family

$

394,844

$

$

892

$

393,952

Mortgage-backed - Non-Agency - residential

663,192

2,014

665,206

Mortgage-backed - Non-Agency - healthcare

356,306

3

356,303

Mortgage-backed - Agency - multi-family

11,640

657

10,983

Total securities held to maturity

$

1,425,982

$

2,014

$

1,552

$

1,426,444

FHLB and other equity securities (3)

$

227,589

(1)Agency includes government sponsored entities, such as Fannie Mae, Freddie Mac, Ginnie Mae, FHLB and FCB.
(2)Fair value option securities represent securities which the Company has elected to carry at fair value with changes in the fair value recognized in earnings as they occur.
(3)The Company reports the carrying value utilizing the measurement alternative election, reflecting any impairments or other adjustments if observable price changes occur for identical or similar investments of the same issuer.

December 31, 2025

Gross

Gross

Amortized

Unrealized

Unrealized

Fair

  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

Losses

  ​ ​ ​

Value

(In thousands)

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

Treasury notes

$

30,635

$

45

$

$

30,680

Federal Agencies

 

259,591

 

21

 

104

 

259,508

Mortgage-backed - Agency (1) - multi-family

3,562

6

3,556

Mortgage-backed - Non-Agency - residential - fair value option (2)

385,460

385,460

Mortgage-backed - Agency - residential - fair value option (2)

185,854

185,854

Total securities available for sale

$

865,102

$

66

$

110

$

865,058

Securities held to maturity:

Mortgage-backed - Non-Agency - multi-family

$

438,430

$

$

950

$

437,480

Mortgage-backed - Non-Agency - residential

699,957

1,655

127

701,485

Mortgage-backed - Non-Agency - healthcare

393,588

4

393,584

Mortgage-backed - Agency - multi-family

11,684

679

11,005

Total securities held to maturity

$

1,543,659

$

1,655

$

1,760

$

1,543,554

FHLB and other equity securities (3)

$

227,589

(1)Agency includes government sponsored entities, such as Fannie Mae, Freddie Mac, Ginnie Mae, FHLB and FCB.
(2) Fair value option securities represent securities which the Company has elected to carry at fair value with changes in the fair value recognized in earnings as they occur.

(3)

The Company reports the carrying value utilizing the measurement alternative election, reflecting any impairments or other adjustments if observable price changes occur for identical or similar investments of the same issuer.

Schedule of amortized cost and fair value of available-for-sale securities and held to maturity securities by contractual maturity

March 31, 2026

December 31, 2025

Amortized

Fair

Amortized

Fair

  ​ ​ ​

Cost

  ​ ​ ​

Value

  ​ ​ ​

Cost

  ​ ​ ​

Value

(In thousands)

Securities available for sale:

Within one year

$

61,194

$

61,210

$

85,226

$

85,292

After one through five years

 

229,998

 

228,932

 

205,000

 

204,896

 

291,192

 

290,142

 

290,226

 

290,188

Mortgage-backed - Agency - multi-family

3,553

3,547

3,562

3,556

Mortgage-backed - Non-Agency residential - fair value option

371,222

371,222

385,460

385,460

Mortgage-backed - Agency - residential - fair value option

178,985

178,985

185,854

185,854

$

844,952

$

843,896

$

865,102

$

865,058

Securities held to maturity:

Mortgage-backed - Non-Agency - multi-family

$

394,844

$

393,952

$

438,430

$

437,480

Mortgage-backed - Non-Agency - residential

663,192

665,206

699,957

701,485

Mortgage-backed - Non-Agency - healthcare

356,306

356,303

393,588

393,584

Mortgage-backed - Agency - multi-family

11,640

10,983

 

11,684

 

11,005

$

1,425,982

$

1,426,444

$

1,543,659

$

1,543,554

Schedule of gross unrealized losses and fair value of investments with unrealized losses have been in continuous

March 31, 2026

12 Months or

Less than 12 Months

 Longer

Total

Gross

Gross

Gross

Fair

Unrealized

Fair

Unrealized

Fair

Unrealized

  ​ ​ ​

Value

  ​ ​ ​

Losses

  ​ ​ ​

Value

  ​ ​ ​

Losses

  ​ ​ ​

Value

  ​ ​ ​

Losses

(In thousands)

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Federal Agencies

$

228,932

$

1,067

$

$

$

228,932

$

1,067

Mortgage-backed - Agency - multi-family

3,547

6

3,547

6

$

232,479

$

1,073

$

$

$

232,479

$

1,073

December 31, 2025

12 Months or

Less than 12 Months

Longer

Total

  ​ ​ ​

  ​ ​ ​

Gross

  ​ ​ ​

  ​ ​ ​

Gross

  ​ ​ ​

  ​ ​ ​

Gross

Fair

Unrealized

Fair

Unrealized

Fair

Unrealized

Value

Losses

Value

Losses

Value

Losses

(In thousands)

Securities available for sale:

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

 

  ​

Federal Agencies

$

204,896

$

104

$

$

$

204,896

$

104

Mortgage-backed - Agency - multi-family

3,556

6

3,556

6

$

208,452

$

110

$

$

$

208,452

$

110