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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2025

Investment Securities

Schedule of amortized cost and fair value of securities

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​

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​

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​

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​

​

​

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​

​

​

​

​

​

September 30, 2025

​

December 31, 2024

​

​

Amortized

​

Unrealized

​

Unrealized

​

Fair

​

Amortized

​

Unrealized

​

Unrealized

​

Fair

(dollars in thousands)

Cost

Gains

Losses

Value

Cost

Gains

Losses

Value

Government agency debt securities

​

$

—

​

$

—

​

$

—

​

$

—

​

$

8,170

​

$

—

​

$

(23)

​

$

8,147

Mortgage-backed securities:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Residential - Government agency

​

​

32,641

​

​

279

​

​

(1,086)

​

​

31,834

​

​

37,473

​

​

—

​

​

(1,614)

​

​

35,859

Residential - Government-sponsored enterprises

​

​

840,130

​

​

1,564

​

​

(66,253)

​

​

775,441

​

​

840,836

​

​

—

​

​

(102,723)

​

​

738,113

Commercial - Government agency

​

​

239,479

​

​

—

​

​

(48,312)

​

​

191,167

​

​

249,348

​

​

—

​

​

(53,223)

​

​

196,125

Commercial - Government-sponsored enterprises

​

​

43,761

​

​

—

​

​

(1,548)

​

​

42,213

​

​

48,015

​

​

—

​

​

(3,107)

​

​

44,908

Commercial - Non-agency

​

​

120,793

​

​

641

​

​

(24)

​

​

121,410

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​

22,000

​

​

83

​

​

—

​

​

22,083

Collateralized mortgage obligations:

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Government agency

​

​

475,946

​

​

800

​

​

(40,455)

​

​

436,291

​

​

452,038

​

​

—

​

​

(54,914)

​

​

397,124

Government-sponsored enterprises

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​

327,554

​

​

541

​

​

(37,675)

​

​

290,420

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​

359,416

​

​

—

​

​

(48,734)

​

​

310,682

Collateralized loan obligations

​

​

97,788

​

​

153

​

​

—

​

​

97,941

​

​

173,152

​

​

323

​

​

—

​

​

173,475

Total available-for-sale securities

​

$

2,178,092

​

$

3,978

​

$

(195,353)

​

$

1,986,717

​

$

2,190,448

​

$

406

​

$

(264,338)

​

$

1,926,516

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​

​

​

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​

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​

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​

​

​

​

​

​

​

​

​

​

Government agency debt securities

​

$

47,514

​

$

—

​

$

(3,557)

​

$

43,957

​

$

49,267

​

$

—

​

$

(5,398)

​

$

43,869

Mortgage-backed securities:

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Residential - Government agency

​

​

37,979

​

​

—

​

​

(4,802)

​

​

33,177

​

​

40,888

​

​

—

​

​

(6,579)

​

​

34,309

Residential - Government-sponsored enterprises

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​

88,255

​

​

—

​

​

(11,393)

​

​

76,862

​

​

92,573

​

​

—

​

​

(14,854)

​

​

77,719

Commercial - Government agency

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​

30,817

​

​

—

​

​

(7,910)

​

​

22,907

​

​

31,009

​

​

—

​

​

(8,666)

​

​

22,343

Commercial - Government-sponsored enterprises

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​

1,094,959

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​

225

​

​

(110,402)

​

​

984,782

​

​

1,114,549

​

​

201

​

​

(149,244)

​

​

965,506

Collateralized mortgage obligations:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Government agency

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​

842,658

​

​

—

​

​

(92,792)

​

​

749,866

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​

907,565

​

​

—

​

​

(126,020)

​

​

781,545

Government-sponsored enterprises

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​

1,397,112

​

​

—

​

​

(149,497)

​

​

1,247,615

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​

1,500,212

​

​

—

​

​

(210,721)

​

​

1,289,491

Debt securities issued by states and political subdivisions

​

​

54,894

​

​

—

​

​

(4,177)

​

​

50,717

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​

54,587

​

​

—

​

​

(6,860)

​

​

47,727

Total held-to-maturity securities

​

$

3,594,188

​

$

225

​

$

(384,530)

​

$

3,209,883

​

$

3,790,650

​

$

201

​

$

(528,342)

​

$

3,262,509

Schedule of amortized cost and fair value of debt securities by contractual maturity

​

​	​	​	​	​	​	​
​	​	September 30, 2025
​	​	Amortized		​	Fair
(dollars in thousands)		Cost			Value
Available-for-sale securities	​	​	​	​	​	​
Due in one year or less	​	$	—	​	$	—
Due after one year through five years	​	​	78,662	​	​	79,248
Due after five years through ten years	​	​	93,938	​	​	94,091
Due after ten years	​	​	45,981	​	​	46,012
​	​	​	218,581	​	​	219,351
​	​	​	​	​	​	​
Mortgage-backed securities:	​	​	​	​	​	​
Residential - Government agency	​	​	32,641	​	​	31,834
Residential - Government-sponsored enterprises	​	​	840,130	​	​	775,441
Commercial - Government agency	​	​	239,479	​	​	191,167
Commercial - Government-sponsored enterprises	​	​	43,761	​	​	42,213
Total mortgage-backed securities	​	​	1,156,011	​	​	1,040,655
Collateralized mortgage obligations:	​	​	​	​	​	​
Government agency	​	​	475,946	​	​	436,291
Government-sponsored enterprises	​	​	327,554	​	​	290,420
Total collateralized mortgage obligations	​	​	803,500	​	​	726,711
Total available-for-sale securities	​	$	2,178,092	​	$	1,986,717
​	​	​	​	​	​	​
Held-to-maturity securities	​	​	​	​	​	​
Due in one year or less	​	$	—	​	$	—
Due after one year through five years	​	​	—	​	​	—
Due after five years through ten years	​	​	51,958	​	​	48,993
Due after ten years	​	​	50,450	​	​	45,681
​	​	​	102,408	​	​	94,674
​	​	​	​	​	​	​
Mortgage-backed securities:	​	​	​	​	​	​
Residential - Government agency	​	​	37,979	​	​	33,177
Residential - Government-sponsored enterprises	​	​	88,255	​	​	76,862
Commercial - Government agency	​	​	30,817	​	​	22,907
Commercial - Government-sponsored enterprises	​	​	1,094,959	​	​	984,782
Total mortgage-backed securities	​	​	1,252,010	​	​	1,117,728
Collateralized mortgage obligations:	​	​	​	​	​	​
Government agency	​	​	842,658	​	​	749,866
Government-sponsored enterprises	​	​	1,397,112	​	​	1,247,615
Total collateralized mortgage obligations	​	​	2,239,770	​	​	1,997,481
Total held-to-maturity securities	​	$	3,594,188	​	$	3,209,883

Schedule of gross unrealized losses and fair values of securities in a continuous loss position

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​

​

Time in Continuous Loss as of September 30, 2025

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​

Less Than 12 Months

​

12 Months or More

​

Total

​

​

Unrealized

​

​

​

​

Unrealized

​

​

​

​

Unrealized

​

​

​

(dollars in thousands)

Losses

Fair Value

Losses

Fair Value

Losses

Fair Value

Mortgage-backed securities:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Residential - Government agency

​

$

—

​

$

—

​

$

(1,086)

​

$

8,395

​

$

(1,086)

​

$

8,395

Residential - Government-sponsored enterprises

​

​

(233)

​

​

51,145

​

​

(66,020)

​

​

572,041

​

​

(66,253)

​

​

623,186

Commercial - Government agency

​

​

—

​

​

—

​

​

(48,312)

​

​

191,167

​

​

(48,312)

​

​

191,167

Commercial - Government-sponsored enterprises

​

​

—

​

​

—

​

​

(1,548)

​

​

42,213

​

​

(1,548)

​

​

42,213

Commercial - Non-agency

​

​

(24)

​

​

7,020

​

​

—

​

​

—

​

​

(24)

​

​

7,020

Collateralized mortgage obligations:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Government agency

​

​

(18)

​

​

16,203

​

​

(40,437)

​

​

292,492

​

​

(40,455)

​

​

308,695

Government-sponsored enterprises

​

​

—

​

​

—

​

​

(37,675)

​

​

236,744

​

​

(37,675)

​

​

236,744

Total available-for-sale securities with unrealized losses

​

$

(275)

​

$

74,368

​

$

(195,078)

​

$

1,343,052

​

$

(195,353)

​

$

1,417,420

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Time in Continuous Loss as of December 31, 2024

​

​

Less Than 12 Months

​

12 Months or More

​

Total

​

​

Unrealized

​

​

​

​

Unrealized

​

​

​

​

Unrealized

​

​

​

(dollars in thousands)

Losses

Fair Value

Losses

Fair Value

Losses

Fair Value

Government agency debt securities

​

$

—

​

$

—

​

$

(23)

​

$

8,147

​

$

(23)

​

$

8,147

Mortgage-backed securities:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Residential - Government agency

​

​

(154)

​

​

27,127

​

​

(1,460)

​

​

8,732

​

​

(1,614)

​

​

35,859

Residential - Government-sponsored enterprises

​

​

(2,997)

​

​

116,084

​

​

(99,726)

​

​

622,029

​

​

(102,723)

​

​

738,113

Commercial - Government agency

​

​

—

​

​

—

​

​

(53,223)

​

​

196,125

​

​

(53,223)

​

​

196,125

Commercial - Government-sponsored enterprises

​

​

—

​

​

—

​

​

(3,107)

​

​

44,908

​

​

(3,107)

​

​

44,908

Collateralized mortgage obligations:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Government agency

​

​

(712)

​

​

76,968

​

​

(54,202)

​

​

310,171

​

​

(54,914)

​

​

387,139

Government-sponsored enterprises

​

​

(912)

​

​

57,509

​

​

(47,822)

​

​

253,173

​

​

(48,734)

​

​

310,682

Total available-for-sale securities with unrealized losses

​

$

(4,775)

​

$

277,688

​

$

(259,563)

​

$

1,443,285

​

$

(264,338)

​

$

1,720,973

X

- Definition

Tabular disclosure of the reconciliation of available-for-sale and held-to-maturity securities from cost basis to fair value.

+ References

No definition available.

+ Details

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Namespace Prefix:	fhb_
Data Type:	dtr-types:textBlockItemType
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- Definition

Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479081/326-30-55-8

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479106/326-30-50-4

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- References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

+ References

No definition available.

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