Intangible Assets and Liabilities - Projected Amortization of Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Below Market Lease, Net, Amortization Income, Fiscal Year Maturity [Abstract]
2026	$ 2,368
2027	2,298
2028	2,171
2029	1,990
2030	1,818
Thereafter	6,265
Net Carrying Amount	16,910	$ 20,177
Net Adjustment to Rental Revenue, Fiscal Year Maturity [Abstract]
2026	(178)
2027	(141)
2028	(207)
2029	(200)
2030	(273)
Thereafter	(4,651)
Total	(5,650)
In-place leases
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2026	24,052
2027	22,313
2028	19,594
2029	17,191
2030	14,273
Thereafter	53,457
Net Carrying Amount	150,880
Above-market leases
Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Fiscal Year Maturity [Abstract]
2026	(1,687)
2027	(1,635)
2028	(1,604)
2029	(1,455)
2030	(1,359)
Thereafter	(8,389)
Total	(16,129)
Lease incentives
Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Fiscal Year Maturity [Abstract]
2026	(859)
2027	(804)
2028	(774)
2029	(735)
2030	(732)
Thereafter	(2,527)
Total	$ (6,431)

Finite-Lived Intangible Asset, Expected Amortization, after Year Five

No definition available.

Name:	ntst_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFive
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, After Year Five

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueAfterYearFive
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Fiscal Year Maturity

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueFiscalYearMaturityAbstract
Namespace Prefix:	ntst_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Net

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueNet
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Year Five

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueYearFive
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Year Four

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueYearFour
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Year One

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueYearOne
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Year Three

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueYearThree
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net Adjustment to Rental Revenue, Year Two

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetAdjustmentToRentalRevenueYearTwo
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Finite-Lived Intangible Assets, Net of Above-Market Leases

+ References

No definition available.

+ Details

Name:	ntst_FiniteLivedIntangibleAssetsNetOfAboveMarketLeases
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, After Year Four

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueAfterYearFour
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, Fiscal Year Maturity

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueFiscalYearMaturityAbstract
Namespace Prefix:	ntst_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Net Adjustment to Rental Revenue, Net

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueNet
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, Year Five

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueYearFive
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, Year Four

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueYearFour
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, Year One

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueYearOne
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, Year Three

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueYearThree
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net Adjustment to Rental Revenue, Year Two

+ References

No definition available.

+ Details

Name:	ntst_NetAdjustmentToRentalRevenueYearTwo
Namespace Prefix:	ntst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseAmortizationIncomeAfterYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseAmortizationIncomeNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseAmortizationIncomeYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseAmortizationIncomeYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseAmortizationIncomeYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseAmortizationIncomeYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_BelowMarketLeaseNetAmortizationIncomeFiscalYearMaturityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-SubTopic 30
-Topic 350
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 985
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481283/985-20-50-2

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LeasesAcquiredInPlaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_AboveMarketLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ntst_LeaseIncentivesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: