XML 17 R42.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events (Details) (Subsequent Event [Member], Sparkys Self-Storage Portfolio [Member], USD $) | 3 Months Ended |
--- | --- | ---
Apr. 10, 2015 | Feb. 06, 2015 Properties
Subsequent Event [Member] | Sparkys Self-Storage Portfolio [Member] |  |
Subsequent Event [Line Items] |  |
Equity Method Investment Ownership Percentage |  | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = netr_SparkysSelfStoragePortfolioMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Disposal Group, Including Discontinued Operation, Consideration |  | $ 34,000,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = netr_SparkysSelfStoragePortfolioMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Number of properties |  | 7 us-gaap_NumberOfRealEstateProperties / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = netr_SparkysSelfStoragePortfolioMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Sale of Property Closing date | Apr. 10, 2015 |
Proceeds From Divestiture Of Businesses Net Of Cash Divested | $ 17,000,000 us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = netr_SparkysSelfStoragePortfolioMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |

X
- Definition The closing date of the sale of poperty. + References No definition available. + Details
Name: | netr_SaleOfPropertyClosingDate
Namespace Prefix: | netr_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents the cash inflow during the period from the sale of a component of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration