NSTS Bancorp, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans and Allowance for Loan Losses - Changes in Allowance for Loan Losses (Details)

Note 3 - Loans and Allowance for Loan Losses - Changes in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Beginning balance	$ 1,177	$ 979	$ 1,176	$ 624
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of ) credit losses	90	31	91	2
Ending balance	1,267	1,010	1,267	1,010
Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance				384
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Beginning balance	1,091	890	1,094	581
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of ) credit losses	74	38	71	12
Ending balance	1,165	928	1,165	928
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance				335
First Mortgage Loans [Member] \| Multifamily [Member]
Beginning balance	36	41	40	19
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of ) credit losses	0	0	(4)	(1)
Ending balance	36	41	36	41
First Mortgage Loans [Member] \| Multifamily [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance				23
First Mortgage Loans [Member] \| Commercial Real Estate [Member]
Beginning balance	37	46	37	19
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of ) credit losses	4	(7)	4	(9)
Ending balance	41	39	41	39
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance				29
First Mortgage Loans [Member] \| Construction Loans [Member]
Beginning balance	11	0	4	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of ) credit losses	13	0	20	0
Ending balance	24	0	24	0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance				0
Consumer Portfolio Segment [Member]
Beginning balance	2	2	1	5
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of ) credit losses	(1)	0	0	0
Ending balance	$ 1	$ 2	$ 1	2
Consumer Portfolio Segment [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance				$ (3)