Covenant limit on any other indebtedness in the aggregate

No definition available.

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- Definition

Covenant Obligation, Debt to Total Asset Value

+ References

No definition available.

+ Details

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- Definition

Covenant Obligation, Fixed Charge Ratio

+ References

No definition available.

+ Details

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- Definition

Covenant Obligation, Permitted Investments Ratio

+ References

No definition available.

+ Details

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- Definition

Covenant Obligation, Secured Debt to Total Asset Value Ratio

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Covenant Obligation, Tangible Net Worth

+ References

No definition available.

+ Details

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- Definition

Covenant Obligation, Unencumbered Leverage Ratio

+ References

No definition available.

+ Details

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Namespace Prefix:	clp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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- Definition

Credit Facility, Extension Fees

+ References

No definition available.

+ Details

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- Definition

Credit Facility, Extension Option

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Basis Spread on Facility Fee

+ References

No definition available.

+ Details

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- Definition

Debt Instrument Prepayment Premium

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Date derivative became effective

+ References

No definition available.

+ Details

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- Definition

The maximum amount the Company can convert under the Credit Facility to a fixed rate and fixed term not to exceed 90 days.

+ References

No definition available.

+ Details

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- Definition

Revolving loans current interest at LIBOR plus margin rate

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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- Definition

The effective interest rate at the end of the reporting period.

+ 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 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-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

Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-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(a)(2))

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

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5579245-113959

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- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 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 210.5-02.19(b),22(b))

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

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- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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-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

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- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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- 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 Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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-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

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- 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

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Financing Activities Line of Credit Facility (Details) (USD $)	3 Months Ended			6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended	24 Months Ended	48 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Credit Facility	Jun. 30, 2012 Credit Facility Wells Fargo, Maturing March 29, 2016	Jun. 30, 2012 Cash Management Line	Jun. 30, 2012 Senior Unsecured Term Loan U.S. Bank National, Maturing May 11, 2017	Jun. 30, 2012 Senior Unsecured Term Loan Wells Fargo, Maturing August 1, 2018	Jul. 22, 2014 Senior Unsecured Term Loan Wells Fargo, Maturing August 1, 2018	Jul. 22, 2013 Senior Unsecured Term Loan Wells Fargo, Maturing August 1, 2018	Aug. 01, 2018 Senior Unsecured Term Loan Wells Fargo, Maturing August 1, 2018	Jun. 30, 2012 Minimum Credit Facility Wells Fargo, Maturing March 29, 2016	Jun. 30, 2012 Minimum Senior Unsecured Term Loan U.S. Bank National, Maturing May 11, 2017	Jun. 30, 2012 Minimum Senior Unsecured Term Loan Wells Fargo, Maturing August 1, 2018	Jun. 30, 2012 Maximum Credit Facility Wells Fargo, Maturing March 29, 2016	Jun. 30, 2012 Maximum Senior Unsecured Term Loan U.S. Bank National, Maturing May 11, 2017	Jun. 30, 2012 Maximum Senior Unsecured Term Loan Wells Fargo, Maturing August 1, 2018	Jun. 30, 2012 Actual Debt Instrument with Operational Covenants	Jun. 30, 2012 Required Debt Instrument with Operational Covenants
Line of Credit
Current borrowing capacity				$ 500,000,000	$ 35,000,000
Maximum borrowing capacity				700,000,000
Amount outstanding	117,200,000		95,000,000		22,200,000
Interest rate at period end	1.65%	1.24%
Expiration date				March 29, 2016	March 29, 2016
Credit Facility extension fee				0.20%
Credit Facility extension option				1 year
Competitive bid, maximum				250,000,000
Description of variable rate basis				LIBOR		LIBOR	LIBOR
Basis spread on variable rate borrowings											1.00%	1.10%	1.65%	1.80%	2.05%	2.90%
Basis spread on facility fee											0.15%			0.40%
Revolving loans / term loan current interest at LIBOR plus margin rate				1.40%		1.60%	2.45%
Annual facility fee				0.30%
Term Loan Agreement
Derivative, effective date	May 11, 2012					May 11, 2012	Jul. 22, 2011
Debt instrument, face amount						150,000,000	250,000,000
Derivative, number of instruments held						2	2
Debt instrument, interest rate at period end						2.71%	5.00%
Debt instrument, maturity date						May 11, 2017	Aug. 01, 2018
Debt instrument, prepayment premium								1.00%	2.00%	0.00%
Covenant limit on indebtedness				25,000,000		25,000,000	20,000,000
Credit Facility and Term Loan Covenants
Fixed charge ratio																	220.00%	150.00%
Debt to total asset value																	46.00%	60.00%
Secured debt to total asset value ratio																	18.00%	40.00%
Unencumbered leverage ratio																	46.00%	62.50%
Permitted investments ratio																	13.00%	30.00%
Tangible net worth																	$ 2,000,000,000	$ 1,000,000,000