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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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Weighted average interest rate of debt outstanding.

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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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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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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.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Debt Instrument, Monthly Interest Basis

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The cash outflow for the early payment of the principal amount on outstanding mortgage debt.

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Debt - Narratives (Details)		1 Months Ended	3 Months Ended		9 Months Ended
Debt - Narratives (Details)	Sep. 20, 2023 USD ($)	Oct. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Nov. 01, 2023 USD ($)	Apr. 24, 2023 GBP (£)	Apr. 24, 2023 EUR (€)	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 GBP (£)	Dec. 31, 2022 EUR (€)
Senior Unsecured Credit Facility
Maximum borrowing capacity											$ 2,750,000,000
Debt financing costs			$ 22,371,000		$ 22,371,000
Non Recourse Debt
Weighted average interest rate (as a percent)			4.70%		4.70%
Repayments of non recourse mortgage loan					$ 251,028,000	$ 51,548,000
Prepayments of mortgage principal					99,388,000	10,381,000
Decrease in value of balance sheet item due to foreign currency translation			$ (8,844,000)	$ (56,053,000)	$ 7,092,000	$ (109,198,000)
Subsequent Events
Non Recourse Debt
Repayments of non recourse mortgage loan		$ 41,300,000
Fixed Interest Rate
Non Recourse Debt
Weighted average interest rate (as a percent)			4.60%		4.60%
Variable Interest Rate
Non Recourse Debt
Weighted average interest rate (as a percent)			5.20%		5.20%
Unsecured Senior Notes
Senior Unsecured Credit Facility
Principal amount			$ 5,900,000,000		$ 5,900,000,000
Debt financing costs			$ 22,100,000		$ 22,100,000						25,900,000
Non-Recourse Debt
Senior Unsecured Credit Facility
Stated interest rate (as a percent)			4.80%		4.80%
Non Recourse Debt
Repayments of non recourse mortgage loan					$ 226,900,000
Prepayments of mortgage principal					99,400,000
Gain (loss) on extinguishment of debt					2,400,000
Decrease in value of balance sheet item due to foreign currency translation					$ (40,600,000)
Government Bond Yield \| Unsecured Senior Notes \| Minimum
Senior Unsecured Credit Facility
Variable interest rate (as a percent)					0.20%
Government Bond Yield \| Unsecured Senior Notes \| Maximum
Senior Unsecured Credit Facility
Variable interest rate (as a percent)					0.35%
Net Lease Office Properties \| Secured Debt
Senior Unsecured Credit Facility
Principal amount	$ 335,000,000
Net Lease Office Properties \| Secured Debt \| Minimum
Senior Unsecured Credit Facility
Stated interest rate (as a percent)	3.85%
Net Lease Office Properties \| Secured Debt \| Maximum
Senior Unsecured Credit Facility
Stated interest rate (as a percent)	5.35%
Net Lease Office Properties \| Prime Rate \| Secured Debt
Senior Unsecured Credit Facility
Variable interest rate (as a percent)	5.00%
Net Lease Office Properties Mezzanine Loan \| Secured Debt
Senior Unsecured Credit Facility
Stated interest rate (as a percent)	4.50%
Net Lease Office Properties Mezzanine Loan \| Prime Rate \| Secured Debt
Senior Unsecured Credit Facility
Stated interest rate (as a percent)	14.50%
Monthly interest rate basis (percent)	10.00%
NLOP Financing Arrangements \| Secured Debt
Senior Unsecured Credit Facility
Debt financing costs	$ 14,400,000
Unsecured Revolving Credit Facility
Senior Unsecured Credit Facility
Maximum borrowing capacity										$ 3,050,000,000.00	2,400,000,000
Line of credit facility, available			$ 1,300,000,000		$ 1,300,000,000
Debt Instrument borrowing capacity fee (as a percent)					0.15%
Unsecured Revolving Credit Facility \| USD
Senior Unsecured Credit Facility
Maximum borrowing capacity											$ 1,800,000,000
Unsecured Revolving Credit Facility \| EUR \| EURIBOR
Senior Unsecured Credit Facility
Variable interest rate (as a percent)					0.775%
Unsecured Term Loans \| GBP
Senior Unsecured Credit Facility
Maximum borrowing capacity \| £												£ 270,000,000
Unsecured Term Loans \| GBP \| Term Loan Due 2026
Senior Unsecured Credit Facility
Maximum borrowing capacity \| £								£ 300,000,000
Unsecured Term Loans \| EUR
Senior Unsecured Credit Facility
Maximum borrowing capacity \| €									€ 500,000,000				€ 215,000,000
Effective interest rate (as a percent)								4.34%	4.34%
Unsecured Term Loans \| EUR \| EURIBOR
Senior Unsecured Credit Facility
Stated interest rate (as a percent)								0.85%	0.85%
Unsecured Term Loans \| EUR \| Term Loan Due 2026
Senior Unsecured Credit Facility
Variable interest rate (as a percent)					4.34%
Debt financing costs			300,000		$ 300,000
Unsecured Term Loans \| EUR \| Delayed Draw Term Loan Due 2026
Senior Unsecured Credit Facility
Maximum borrowing capacity \| €									€ 200,000,000
Standby Letters of Credit
Senior Unsecured Credit Facility
Line of credit facility, available			$ 1,900,000		$ 1,900,000
Unsecured Term Loans Due 2026 - Accordion Feature \| EUR
Senior Unsecured Credit Facility
Maximum borrowing capacity \| €									€ 750,000,000
Line of Credit \| Net Lease Office Properties \| Subsequent Events
Senior Unsecured Credit Facility
Maximum borrowing capacity							$ 350,000,000
Line of Credit \| Net Lease Office Properties Mezzanine Loan
Senior Unsecured Credit Facility
Maximum borrowing capacity	$ 120,000,000