NSTS Bancorp, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

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

Note 4 - Allowance for Credit Losses (Details Textual)

v3.26.1

Note 4 - Allowance for Credit Losses (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Jan. 01, 2024	Dec. 31, 2023
Off-Balance-Sheet, Credit Loss, Liability	$ 40,000	$ 60,000
Provision for Credit Losses, Amount Excluded	20,000	46,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	129,763,000	131,557,000
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	1,128,000	1,201,000		$ 1,176,000
Financing Receivable, Nonaccrual			$ 200,000
Financing Receivable, Modified in Period, Amount	0	0
Collateral Pledged [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0	0
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	989,000	1,056,000		1,094,000
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Collateral Pledged [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	284,000
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	0
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	2,000	2,000		$ 1,000
Mortgage Loans in Process of Foreclosure, Amount	$ 262,000	$ 0

- Definition

The amount excluded from provision for credit losses.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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