v3.25.3

Investment Securities - Amortized Cost and Fair Value of Investment Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Amortized Cost
Within one year	$ 170	$ 210
After one but within five years	865	945
After five years through ten years	1,155	1,380
After ten years	0	185
Fair Value
Within one year	155	182
After one but within five years	788	818
After five years through ten years	1,053	1,193
After ten years	0	160
Amortized Cost
Within one year	0	0
After one but within five years	1,262	798
After five years through ten years	12,269	9,221
After ten years	27,335	32,743
Fair Value
Within one year	0	0
After one but within five years	1,209	737
After five years through ten years	11,259	8,108
After ten years	23,977	28,292
Securities held-to-maturity, at amortized cost	2,190	2,720
Securities held-to-maturity, at fair value	1,996	2,353
Securities available-for-sale, at amortized cost	109,135	115,757
Securities available-for-sale	95,635	98,194
U.S. government agency securities
Fair Value
Securities held-to-maturity, at amortized cost	0	0
Securities held-to-maturity, at fair value	0	0
Securities available-for-sale, at amortized cost	7,620	8,293
Securities available-for-sale	7,684	8,345
Mortgage-backed securities
Fair Value
Securities held-to-maturity, at amortized cost	0	0
Securities held-to-maturity, at fair value	0	0
Securities available-for-sale, at amortized cost	58,389	62,397
Securities available-for-sale	49,316	50,570
Collateralized mortgage obligations
Fair Value
Securities held-to-maturity, at amortized cost	0	0
Securities held-to-maturity, at fair value	0	0
Securities available-for-sale, at amortized cost	260	305
Securities available-for-sale	244	279
Corporate bonds
Fair Value
Securities held-to-maturity, at amortized cost	0	0
Securities held-to-maturity, at fair value	0	0
Securities available-for-sale, at amortized cost	2,000	2,000
Securities available-for-sale	$ 1,946	$ 1,863

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

FIVE STAR BANCORP 10-Q