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

Note 2 - Securities (Details Textual)

v3.26.1

Note 2 - Securities (Details Textual) Pure in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Securities, Available-for-Sale, Excluding Accrued Interest	$ 78,719	$ 71,249
Number of Securities of One Issuer Greater Than Ten Percent of Members' Equity	0	0
Proceeds from Sale of Debt Securities, Available-for-Sale	$ 0	$ 0
Asset Pledged as Collateral [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	$ 27,185	$ 24,941
Commercial Mortgage-Backed Securities [Member] \| Minimum [Member]
Debt Securities, Available-for-Sale, Term (Year)	1 year
Commercial Mortgage-Backed Securities [Member] \| Maximum [Member]
Debt Securities, Available-for-Sale, Term (Year)	5 years

- Definition

The number of securities of any one issuer that is greater than 10% of members' equity.

+ References

No definition available.

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- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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- Definition

Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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