Debt Instrument, Extension Period

No definition available.

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Period Type:	duration

- Definition

Debt Instrument, Interest Rate, Increase (Decrease), Intervals

+ References

No definition available.

+ Details

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Namespace Prefix:	cdor_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Number Of Extensions

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Adjusted net operating income to outstanding debt, minimum.

+ References

No definition available.

+ Details

Name:	cdor_DebtYieldRatioMinimum
Namespace Prefix:	cdor_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBITDA to fixed charges

+ References

No definition available.

+ Details

Name:	cdor_FixedChargeCoverageRatio
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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest Reserve

+ References

No definition available.

+ Details

Name:	cdor_InterestReserve
Namespace Prefix:	cdor_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Total debt to total asset value.

+ References

No definition available.

+ Details

Name:	cdor_LeverageRatio
Namespace Prefix:	cdor_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum Unrestricted Cash Balance Allowed for Interest Payments from Interest Resrve

+ References

No definition available.

+ Details

Name:	cdor_MaximumUnrestrictedCashBalanceAllowedForInterestPaymentsFromInterestResrve
Namespace Prefix:	cdor_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
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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/disclosureRef
-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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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Data Type:	xbrli:dateItemType
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

Name:	us-gaap_DerivativeFloorInterestRate
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
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

+ Details

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

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Long-Term Debt (Narrative) (Details)		3 Months Ended
Long-Term Debt (Narrative) (Details)	Mar. 30, 2020 USD ($) item	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2020	Mar. 29, 2020 USD ($)	Feb. 14, 2020 USD ($)
KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Amount borrowed						$ 7,300,000
Line of credit facility, maximum borrowing capacity	$ 102,000,000				$ 150,000,000
Maturity date of debt	Apr. 01, 2021			Apr. 30, 2021
Number of loan extensions \| item	2
Minimum debt yield ratio	10.00%			10.00%
Leverage ratio	60.00%
Increase in interest rate spreads	0.25%
Increase in interest rate intervals	6 months
Interest reserve	$ 1,720,000
Maximum unrestricted cash balance allowed to make interest payments from interest reserve	$ 1,500,000
KeyBank Credit Facility [Member] \| Extension 1 [Member]
Debt Instrument [Line Items]
Extension period	6 months
KeyBank Credit Facility [Member] \| Extension 2 [Member]
Debt Instrument [Line Items]
Extension period	5 months
KeyBank Credit Facility [Member] \| Forecast [Member]
Debt Instrument [Line Items]
Fixed charge coverage ratio		1.50	1.25
Great Western Bank [Member]
Debt Instrument [Line Items]
Maturity date of debt				Dec. 31, 2021
LIBOR [Member] \| KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Basis spread	3.25%
Floor rate	0.25%
Base Rate [Member] \| KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Basis spread	2.25%
Maximum [Member]
Debt Instrument [Line Items]
Leverage ratio				60.00%
Maximum [Member] \| KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Leverage ratio				65.00%
Maximum [Member] \| LIBOR [Member] \| KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Basis spread					3.00%
Maximum [Member] \| Base Rate [Member] \| KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Basis spread					2.00%