XML 57 R48.htm IDEA: XBRL DOCUMENT
v3.22.2

Note 7 - Fair Value Measurements - Fair Value On Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Securities available for sale | $ 121,247 | $ 100,950
U.S. Treasury Notes [Member] |  |
Securities available for sale | 7,430 |
US Government Agencies Debt Securities [Member] |  |
Securities available for sale | 18,061 | 10,053
Municipal Bonds [Member] |  |
Securities available for sale | 20,230 | 18,000
Residential Mortgage-Backed Securities [Member] |  |
Securities available for sale | 40,416 | 42,148
Fair Value, Recurring [Member] |  |
Securities available for sale | 121,247 | 100,950
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale | 7,430 | 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale | 113,817 | 100,950
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | U.S. Treasury Notes [Member] |  |
Securities available for sale | 7,430 |
Fair Value, Recurring [Member] | U.S. Treasury Notes [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale | 7,430 |
Fair Value, Recurring [Member] | U.S. Treasury Notes [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale | 0 |
Fair Value, Recurring [Member] | U.S. Treasury Notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale | 0 |
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] |  |
Securities available for sale | 18,061 | 10,053
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale | 18,061 | 10,053
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | Municipal Bonds [Member] |  |
Securities available for sale | 20,230 | 18,000
Fair Value, Recurring [Member] | Municipal Bonds [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | Municipal Bonds [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale | 20,230 | 18,000
Fair Value, Recurring [Member] | Municipal Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | Residential Mortgage-Backed Securities [Member] |  |
Securities available for sale | 40,416 | 42,148
Fair Value, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale | 40,416 | 42,148
Fair Value, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member] |  |
Securities available for sale | 35,110 | 30,749
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale | 0 | 0
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale | 35,110 | 30,749
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale | $ 0 | $ 0

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nsts_UsTreasuryNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |