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 (Details Textual)

v3.26.1

Note 3 - Loans and Allowance for Credit Losses (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Escrow Deposit	$ 396,000		$ 480,000
Financing Receivable, Accrued Interest, after Allowance for Credit Loss	586,000		577,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process	128,485,000		129,464,000
Off-Balance-Sheet, Credit Loss, Liability	46,000	$ 67,000
Provision for Credit Losses, Amount Excluded	7,000	8,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	128,742,000		129,763,000
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	1,095,000	1,156,000	1,128,000	$ 1,201,000
Financing Receivable, Modified in Period, Amount	0	0
Collateral Pledged [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0
Related Party [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process	547,000		564,000
First Mortgage Loans [Member]
Financing Receivable, Unpaid Principal Balance	39,500,000		41,000,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process	128,163,000		129,196,000
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process	116,914,000		118,222,000
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	956,000	$ 1,034,000	989,000	$ 1,056,000
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Collateral Pledged [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	1,700,000		284,000
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	$ 0		$ 0

- Definition

Amount of unpaid principal balance of financing receivables.

+ References

No definition available.

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- Definition

The amount excluded from provision for credit losses.

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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Amount, after allowance for credit loss, of accrued interest on financing receivable.

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

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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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