Line of Credit (Details) (Line of Credit, USD $)	12 Months Ended
Mar. 31, 2015
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility unused capacity commitment fee %	0.15%
Borrowing capacity of line of credit	$ 15,000,000
Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Basis spread percentage on line of credit	2.00%
Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Basis spread percentage on line of credit	2.00%
Line of credit facility unused capacity commitment fee %	0.25%
Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Basis spread percentage on line of credit	1.50%
Line of credit facility unused capacity commitment fee %	0.10%
Letter of Credit
Debt Instrument [Line Items]
Line of credit facility maximum letters of credit outstanding	1,000,000
Outstanding letters of credit	$ 300,000

Line of Credit Facility Maximum Letters Of Credit Outstanding

No definition available.

Name:	rent_LineOfCreditFacilityMaximumLettersOfCreditOutstanding
Namespace Prefix:	rent_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration