Note 4 - Loans (Details) - Secured Loans Scheduled Maturities (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Secured Loans Scheduled Maturities [Abstract]
2015	9
2015 (in Dollars)	$ 20,814
2015	29.00%
2016	12
2016 (in Dollars)	13,300rmiviii_LoansReceivableMaturingYearTwo
2016	19.00%
2017	8
2017 (in Dollars)	4,652
2017	7.00%
2018	3
2018 (in Dollars)	5,522rmiviii_LoansReceivableMaturingYearFour
2018	8.00%
2019	9
2019 (in Dollars)	7,645rmiviii_LoansReceivableMaturingYearFive
2019	11.00%
Thereafter	3
Thereafter (in Dollars)	1,768
Thereafter	2.00%
Total future maturities	44
Total future maturities (in Dollars)	53,701
Total future maturities	76.00%
Matured at December 31, 2014	4
Matured at December 31, 2014 (in Dollars)	17,316rmiviii_LoansReceivableMatured
Matured at December 31, 2014	24.00%
Total secured loans	48rmiviii_LoansReceivableNumberOfLoans	36rmiviii_LoansReceivableNumberOfLoans
Total secured loans (in Dollars)	$ 71,017	$ 51,890
Total secured loans	100.00%rmiviii_LoansReceivableMaturingPercent

Loans receivable matured.

No definition available.

Name:	rmiviii_LoansReceivableMatured
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of loans receivable maturing after year five.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingAfterYearFive
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loans receivable maturing percent.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercent
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percent of loans receivable maturing after year five.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentAfterYearFive
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable maturing percent after year five matured.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentAfterYearFiveMatured
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percent of loans receivable maturing during the remainder of the fiscal year.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentRemainderOfFiscalYear
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable maturing percent total future maturities.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentTotalFutureMaturities
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable maturing percent year five.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentYearFive
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable maturing percent year four.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentYearFour
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable maturing percent year three.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentYearThree
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable maturing percent year two.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingPercentYearTwo
Namespace Prefix:	rmiviii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of loans receivable maturing in the remainder of the fiscal year.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingRemainderFiscalYear
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans receivable maturing year five.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingYearFive
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans receivable maturing year four.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingYearFour
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans receivable maturing year three.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingYearThree
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans receivable maturing year two.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableMaturingYearTwo
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of secured loans receivable

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoans
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of secured loans not paid in full on or before their maturity date

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMatured
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of loans maturing after year five.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMaturingAfterYearFive
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of loans receivable maturing during the remainder of the fiscal year.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMaturingRemainderOfFiscalYear
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable number of loans maturing year five.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMaturingYearFive
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMaturingYearFour
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable number of loans maturing year three.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMaturingYearThree
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable number of loans maturing year two.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansMaturingYearTwo
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable number of loans total future maturities.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableNumberOfLoansTotalFutureMaturities
Namespace Prefix:	rmiviii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loans receivable total future maturities.

+ References

No definition available.

+ Details

Name:	rmiviii_LoansReceivableTotalFutureMaturities
Namespace Prefix:	rmiviii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	rmiviii_SecuredLoansScheduledMaturitiesAbstract
Namespace Prefix:	rmiviii_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(c))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph c

-Article 7

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant