NSTS Bancorp, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 3 - Loans and Allowance for Credit Losses - Summary of Loans by Major Category (Details)

v3.25.3

Note 3 - Loans and Allowance for Credit Losses - Summary of Loans by Major Category (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Loans	$ 133,835		$ 130,907
Net deferred loan costs	362		650
Allowance for credit losses on loans	(1,260)	$ (1,200)	(1,201)	$ (1,271)	$ (1,267)	$ (1,176)
Loans, net	132,937		130,356
First Mortgage Loans [Member]
Loans	133,551		130,625
Consumer Portfolio Segment [Member]
Loans	284		282
Allowance for credit losses on loans	(3)	(2)	(2)	(2)	(1)	(1)
One To Four Family Residential [Member] \| First Mortgage Loans [Member]
Loans	121,443		119,409
Allowance for credit losses on loans	(1,103)	(1,056)	(1,056)	(1,164)	(1,165)	(1,094)
Multifamily [Member] \| First Mortgage Loans [Member]
Loans	3,272		3,368
Allowance for credit losses on loans	(39)	(37)	(37)	(39)	(36)	(40)
Commercial Real Estate [Member] \| First Mortgage Loans [Member]
Loans	4,318		4,197
Allowance for credit losses on loans	(44)	(44)	(41)	(42)	(41)	(37)
Construction Loans [Member] \| First Mortgage Loans [Member]
Loans	4,518		3,651
Allowance for credit losses on loans	$ (71)	$ (61)	$ (65)	$ (24)	$ (24)	$ (4)

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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- Definition

Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481598/310-20-45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-4

Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-SubTopic 20
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481569/310-20-50-3

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