Debt Instrument, Covenant Compliance, Debt Service Ratio

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Debt Instrument, Covenant Compliance, Secured Leverage Ratio

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Debt Instrument, Number Of Tranches

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Line Of Credit, Leverage Ratio

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- Definition

Unencumbered Debt Instrument Ratio

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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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.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Details

Name:	us-gaap_DebtInstrumentAxis=cuz_TenYearUnsecuredSeniorNotesWithInterestRateOf395Member
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Notes Payable - Unsecured Senior Notes (Details) $ in Thousands		1 Months Ended			6 Months Ended
	Jul. 07, 2025 USD ($)	Jun. 30, 2025 USD ($) tranche	Dec. 31, 2024 USD ($)	Aug. 31, 2024 USD ($)	Jun. 30, 2025 USD ($) tranche	Jun. 30, 2024 USD ($)
Debt Instrument [Line Items]
Long-term debt		$ 3,494,533	$ 3,110,214		$ 3,494,533
Bond issuance, net of original issue discount					499,935	$ 0
Debt issuance costs		14,332	10,988		14,332
Notes payable		3,476,761	3,095,666		3,476,761
Senior Unsecured Debt
Debt Instrument [Line Items]
Long-term debt		2,400,000			2,400,000
Debt amount		$ 1,000,000			$ 1,000,000
Number of tranches \| tranche		5			5
Senior Unsecured Debt \| Unsecured Senior Notes With Interest Rate Of 5.250%
Debt Instrument [Line Items]
Long-term debt		$ 500,000	0		$ 500,000
Debt amount		$ 500,000			$ 500,000
Interest Rate		5.25%			5.25%
Bond issuance, net of original issue discount		$ 499,900
Discount issued		$ 65			$ 65
Effective interest rate		5.251%			5.251%
Debt issuance costs		$ 4,200			$ 4,200
Senior Unsecured Debt \| Unsecured Senior Notes With Interest Rate Of 5.250% \| Subsequent Event
Debt Instrument [Line Items]
Repayments of debt	$ 250,000
Senior Unsecured Debt \| Unsecured Senior Notes With Interest Rate Of 5.375%
Debt Instrument [Line Items]
Long-term debt		$ 400,000	400,000		$ 400,000
Debt amount			$ 400,000
Interest Rate		5.375%	5.375%		5.375%
Bond issuance, net of original issue discount			$ 397,900
Discount issued			$ 2,100
Effective interest rate			5.464%
Debt issuance costs			$ 3,600
Senior Unsecured Debt \| Senior Notes With Interest Rate Of 5.875%
Debt Instrument [Line Items]
Debt amount				$ 500,000
Interest Rate				5.875%
Bond issuance, net of original issue discount				$ 498,500
Discount issued				$ 1,500
Senior Unsecured Debt \| Senior Notes With Interest Rate Of 5.912%
Debt Instrument [Line Items]
Effective interest rate				5.912%
Debt issuance costs				$ 5,300
Repayments of debt				373,800
Senior Unsecured Debt \| 2021 Term Loan
Debt Instrument [Line Items]
Repayments of debt				100,000
Notes payable				$ 350,000
Senior Unsecured Debt \| Public Senior Note
Debt Instrument [Line Items]
Unencumbered debt instrument ratio				150.00%
Debt service ratio				1.50
Senior Unsecured Debt \| Public Senior Note \| Maximum
Debt Instrument [Line Items]
Secured leverage ratio				40.00%
Leverage ratio				60.00%
Senior Unsecured Debt \| 4.09% Senior Notes, Unsecured
Debt Instrument [Line Items]
Debt amount		$ 100,000			$ 100,000
Interest Rate		4.09%			4.09%
Senior Unsecured Debt \| 3.91% Senior Notes, Unsecured
Debt Instrument [Line Items]
Debt amount		$ 250,000			$ 250,000
Interest Rate		3.91%			3.91%
Senior Unsecured Debt \| 3.78% Senior Notes, Unsecured
Debt Instrument [Line Items]
Debt amount		$ 125,000			$ 125,000
Interest Rate		3.78%			3.78%
Senior Unsecured Debt \| 3.86% Senior Notes, Unsecured
Debt Instrument [Line Items]
Debt amount		$ 250,000			$ 250,000
Interest Rate		3.86%			3.86%
Senior Unsecured Debt \| 3.95% Senior Notes, Unsecured
Debt Instrument [Line Items]
Debt amount		$ 275,000			$ 275,000
Interest Rate		3.95%			3.95%