Amortization period of loans.

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Business acquisition percentage of interest acquired

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument Amortization Period

+ References

No definition available.

+ Details

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- Definition

Decrease In Fair Value Of Mortgage Loans

+ References

No definition available.

+ Details

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Namespace Prefix:	cvtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Increase in fair value of mortgage loans.

+ References

No definition available.

+ Details

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Namespace Prefix:	cvtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Mortgage Loan On Real Estate Principal Amount Outstanding

+ References

No definition available.

+ Details

Name:	cvtr_MortgageLoanOnRealEstatePrincipalAmountOutstanding
Namespace Prefix:	cvtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number Of Acquired Properties

+ References

No definition available.

+ Details

Name:	cvtr_NumberOfAcquiredProperties
Namespace Prefix:	cvtr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage Of Membership Interests

+ References

No definition available.

+ Details

Name:	cvtr_PercentageOfMembershipInterests
Namespace Prefix:	cvtr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sale Of Membership Interest

+ References

No definition available.

+ Details

Name:	cvtr_SaleOfMembershipInterest
Namespace Prefix:	cvtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Senior living properties.

+ References

No definition available.

+ Details

Name:	cvtr_SeniorLivingProperties
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 5

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- 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

- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

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

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

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- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

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

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ 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 210.5-02.22(a)(1))

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

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- Definition

Stated maturity date of the mortgage loan receivable on real estate, in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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Period Type:	duration

- Definition

The carrying amount of the outstanding balance due under the mortgage loan.

+ References

+ Details

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

- Definition

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

+ References

+ Details

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

- Definition

Amount of debt for which creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property.

+ References

No definition available.

+ Details

Name:	us-gaap_NonRecourseDebt
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of units in a real estate property owned 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

Borrowings under Mortgage Notes Payable - Outstanding Mortgage Notes (Parenthetical) (Detail) (USD $)	6 Months Ended				1 Months Ended		6 Months Ended		6 Months Ended	1 Months Ended	6 Months Ended		1 Months Ended	6 Months Ended		1 Months Ended		1 Months Ended		12 Months Ended		12 Months Ended
	Jun. 30, 2013	Feb. 28, 2013	Dec. 31, 2012	Feb. 02, 2013 Calamar Enterprises, Inc. [Member]	Feb. 28, 2013 Care Cal JV LLC [Member] Property	Feb. 28, 2013 Care Cal JV LLC [Member] Calamar Enterprises, Inc. [Member]	Jun. 30, 2013 Bridge Loan [Member]	Sep. 20, 2011 Bridge Loan [Member]	Jun. 30, 2013 Greenfield Loans [Member]	Feb. 28, 2013 Liberty Bank Loan One [Member]	Jun. 30, 2013 Liberty Bank Loan One [Member]	Dec. 31, 2012 Liberty Bank Loan One [Member]	Feb. 28, 2013 Liberty Bank Loan Two [Member]	Jun. 30, 2013 Liberty Bank Loan Two [Member]	Dec. 31, 2012 Liberty Bank Loan Two [Member]	Jun. 28, 2013 Bickford Loans [Member]	Aug. 13, 2010 Bickford Loans [Member]	Jun. 24, 2013 Care YBE Subsidiary LLC [Member]	Jun. 28, 2013 Care YBE Subsidiary LLC [Member]	Dec. 31, 2008 Care YBE Subsidiary LLC [Member] Home	Dec. 31, 2008 Bickford [Member] Unit	Dec. 31, 2008 Bickford [Member] Iowa [Member] Home	Dec. 31, 2008 Bickford [Member] Illinois [Member] Home	Dec. 31, 2008 Bickford [Member] Nebraska [Member] Home	Dec. 31, 2008 Bickford [Member] Indiana [Member] Home
Debt Instrument [Line Items]
Percentage of membership interests																		100.00%
Number of units in real estate properties																					643
Senior living properties																				14		6	5	2	1
Amount of membership interest sold																			$ 122,800,000
Outstanding principal balance																			78,800,000
Bridge loan amount								15,500,000
Libor plus interest rate on the loan							4.00%
Libor floor rate							0.00%
Non-recourse loans									15,700,000
Maturity date of loan	Nov. 01, 2016						Jun. 20, 2012		May 01, 2022
Fixed rate of interest on loans									4.76%
Amortization period of loans									30 years
Percentage of interest acquired					75.00%	25.00%
Number of properties					2
Aggregate debt balance	33,500,000	18,400,000	94,800,000							7,700,000	7,600,000		10,600,000	10,500,000
Period of acquisition and amortization										30 years			30 years
Maturity Date										Feb. 01, 2020	Feb. 01, 2020		Aug. 01, 2019	Aug. 01, 2019
Fixed interest rate										4.50%	4.50%		4.00%	4.00%
Fair value of mortgage capital				18,100,000													82,100,000
Increase in fair value of mortgage loans																	800,000
Outstanding balance				18,400,000													81,300,000
Premium written off																300,000
Decrease in fair value of mortgage loans				$ 300,000