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Organization and Description of Business (Details)	Jun. 30, 2023 state property
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number owned or invested in properties | property	525
Number of states in which entity operates | state	45

X

- Definition

Number of Properties Owned Or Invested

+ References

No definition available.

+ Details

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Namespace Prefix:	ntst_
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Balance Type:	na
Period Type:	instant

X

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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